4 International Conference on Technical and Vocational Education and Training (TVET) Theme : Technical and Vocational Education and

  ISBN : 978-602-1178-11-9 Padang, November 9-11, 2017 Padang, November 9-11, 2017 PROCEEDINGS 4 th

  4 International Conference on Technical and Vocational Education and Training (TVET) th International Conference on TVET Theme : Technical and Vocational Education and Training for Sustainable Societies Padang, November 9-1 Pa da ng , N ov em be r 9 1, 2017 -11 , 2

  ISBN : 978-602-1178-11-9

  01 ISBN : 978-602-1178-11-9

  7 th

4 International Conference on Technical and Vocation Education and Training

  Padang : November 9-11, 2017

Int. J. of GEOMATE, Month, Year, Vol.00, No.00 (Sl. No. 00), pp. 00-00

  

FOREWORDS

This proceeding aims to disseminate valuable ideas and issues based on research or literature th

review in the field of vocational, technical and engineering studies, which have been presented in 4

  

International Conference on Technical and Vocation Education and Training. This conference has taken

place in Hospitality Center Universitas Negeri Padang, November 9-11, 2017.

  The theme of Conference focused on the perspective of technical and vocational education and st

training for sustainable society to face the challenges of 21 century, globalization era, and particularly

Asian Economic Community. To overcome the challenges, we need the innovation and change in human

resources development. Technical vocational educational and training have essential roles to change the

world of education and work in order to establish sustainable society.

  Undoubtedly, TVET need to enhance the quality of learning by developing various model of

active learning, including learning in the workplace and entrepreneurship. Create innovation and applied

engineering as well as information technology. Improvement of management and leadership in TVET

Institution, and development of vocational and technical teacher education.

  Many ideas and research findings have been shared and discussed in the seminar, more than 176

papers have been collected and selected through scholars, scientists, technologist, and engineers’. as

well as teachers, professors, and post graduates students who participated in the conference.

  Eight keynote speakers have taken a part in the conference, namely Prof. Intan Ahmad, Ph.D.

(Director general of learning and student affairs, Kemenristek Dikti) and Prof. Josaphat Tetuko Sri

Sumantyo, Ph.D. (CEReS Chiba University) and Prof. Dr. Maizam Alias (UTHM Malaysia) and Prof.

  

Ganefri, Ph.D. (Rector of UNP) and Prof. Dr. Ramlee bin Mustapha (UPSI Malaysia) and Prof. Nizwardi

Jalinus, Ed.D. (Chair of TVET doctoral program, FT UNP) and Prof. Michael Koh, Ph.D. Dr. Fahmi

Rizal, M.Pd., MT (Dean of FT UNP). They all have a great contribution for the success of the

conference. th Finally, thank a million for all participants of the conference who supported the success of 4

  

International conference on TVET 2017 and most importantly, our gratitude to all scholars who support

and tolerated our mistake during the conference.

  Padang, 9 November 2017 Prof. Dr. Nizwardi Jalinus, M.Ed Chair of Scientific Committee

  No Author Article

  DECISION SUPPORT SYSTEM (DSS) WITH WP AND MFEP METHODS IN SELECTION OF BEST BABY CLOTHES

  VOCATIONAL HIGH SCHOOL 1 PADANG Hastuti Marlina, Reno Renaldi Fivia Eliza, Dwiprima Elvanny Myor, Hastuti

  IN MAKING PRODUCT WITH CNC MILLING MACHINE IN

  THE EFFECT OF SOFTWARE MASTERCAME TOWARD MECHANICAL ENGINEERING STUDENTS PERFORMANCE

  VOCATIONAL HIGH SCHOOL 1 PADANG Kms. Muhammad. Avrieldi, Suparno, Nofri Helmi

  THE INFLUENCE OF PROJECT BASED LEARNING TOWARD ELECTRICAL MACHINE AND ENERGY CONVERSION STUDENT ACHIEVEMENT OF

  14 THE EFFECTIVENESS OF USING POSTER AND VIDEO MEDIA IN EDUCATION ABOUT DANGERS OF SMOKING ON KNOWLEDGE AND ATTITUDES OF SENIOR HIGH SCHOOL 12 PEKANBARU STUDENTS Nurzamaliah Afifah, Ambiyar, Yufrizal. A

  13

  12

  8

  DAFTAR ISI PROSIDING 4th ICTVET UNP 2017

  OPTIMIZE OF LEAST-SQUARE INVERSE CONSTRAIN METHOD OF GEOELECTRICAL RESISTIVITY WENNER- SCHLUMBERGER FOR INVESTIGATION ROCK STRUCTURES IN MALALAK DISTRICTS OF AGAM WEST SUMATRA

  11 Akmam, Amir Harman, Putra, Amali, Resi Elfitri

  10 Arif Rahman Hakim MODIFICATION OF INPUT PUSHER ASSEMBLY OF LASER MARKING MACHINE

  9 Asyahri Hadi Nasyuha, Rahmat Sulaiman Naibaho, Saniman

  1 Asrul Huda, Rendy Harisca DEVELOPMENT OF EMPLOYEE INFORMATION SYSTEM- BASED WEB IN MAN 1 PADANG

  INJECTION TIME OF FUEL AND GAS EMISSION OF GASOLINE ENGINE

  EFFECT OF ENGINE TEMPERATURE CHANGES ON

  7 Toto Sugiarto, Dwi Sudarno Putra, Wawan Purwanto

  THE DESIGN OF THE SIGNAL MEASUREMENT DEVICE OF BODY’S BIOELECTRICAL IMPEDANCE By USING THREE ELECTRODES

  6 Juli Sardi, Hastuti, Ali Basrah Pulungan

  IMPLEMENTATION PROBLEM SOLVING LEARNING STRATEGY

  IMPROVING LEARNING MOTIVATION THROUGH

  5 Budi Syahri, Primawati, Syahrial

  INNOVATION INSTRUCTIONAL

  4 Eko Indrawan REVIEW DEVELOPING OF PROJECT BASED AS

  3 Harleni ACADEMIC INFORMATION SYSTEM OF STIKES PERINTIS PADANG

  TWO SPECIES OF TERMITE DAMAGING TO BUILDING AND HOUSES AT BANDA ACEH (SUMATRA, INDONESIA)

  2 S Syaukani, M Bahi, M Muslim, M Shabri Abd Majid, D Sutekad, Y Yasmin, N Novita

  THE VALIDITY OF TRAINERON MATERIALS SCIENCE AND DEVICESSUBJECTAT DEPARTMENT OF ELECTRICAL ENGINEERING

  18 Tri Monarita Johan FUNCTIONAL MEMBERSHIP ANALYSIS OF FUZZY

  Yasep Setiawan RELATIONDRAG FORCE REDUCTION ON CIRCULAR CYLINDER USING CIRCULAR DISTURBANCE BODY WITH TURBULENCE INTENSITY

  THE ROLE OF INFORMATION TECHNOLOGY IN THE

  EFFECT OF GASOLINE ADDITIVE MATERIALS ON ENGINE PERFORMANCE Muhammad Luthfi Hamzah, Hamzah, Astri Ayu Purwati

  EVALUATION OF LEARNING PROCESS USING CIPP MODEL Remon Lapisa, Dwi Sudarno Putra, Ahmad Arif, Syafmi Algifari Abda’u

  IMPLEMENTATION OF CONTEXTUAL TEACHING AND LEARNING ON ANALYZING ELECTRICAL CIRCUITS SUBJECT Dwi Sudarno Putra, Misra Dandi Utama, Dedi Setiawan, Remon Lapisa, Ambiyar

  26 SIMPLE WATER PURIFIER USING MULTILEVEL SYSTEM Dwiprima Elvanny Myori, Citra Dewi, Erita Astrid, Ilham Juliwardi Jasman, Nelvi Erizon, Syahrul, Junil Adri, Bulkia Rahim Hendri Nurdin, Hasanuddin, Waskito, Refdinal, Darmawi

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  A MICRO HYDROPOWER GENERATOR AS AN ALTERNATIVE SOLUTION FOR ENERGY PROBLEM SOLVING IN INDONESIAN REMOTE AREA Nuzul Hidayat, Ahmad Arif, M.

  INFERENCE SYSTEM SUGENO IN ANEMIA CLASSIFICATION

  Sukardi, M.Giatman, Remon Lapisa, Purwantono, Refdinal

  INTERACTIVE MULTIMEDIA PROGRAM WITH PROBLEM- BASED LEARNING METHOD TO IMPROVE LEARNING OUTCOMES INBIOLOGY SUBJECT

  21 Nur Hidayati, Muhammad Ridha Ridwan

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  NEED ANALYSIS APPLICATION ON THE FEASIBILITY STUDY OF THE HYDROELECTRIC POWER SELECTION (CASE IN SOLOK, PESISIR SELATAN AND SIJUNJUNG REGENCY)

  20 Suryadimal, Edi Septe,Wenny Martiana, Fahmi Rizal, Nizwardi Jalinus

  INDUSTRIAL FIELD PRACTICE (IFP) (Case Study: Competency Compliance)

  19 Henny Yustisia CURRICULUM ANALYSIS OF PREREQUISITE COURSE AT

  IMPROVEMENT OF TEACHER’S COMPETENCIES AND TEACHING LEARNING PROCESS EFFECTIVENESS IN ESA SEJAHTERA SCHOOL PEKANBARU ASSESSMENT OF PRODUCT PROTOTYPE EXISTENCE AS A MEDIA OF LEARNING TO ACCELERATE THE TRANSFER OF TECHNOLOGY AND DIVERSIFICATION IN RURAL INDUSTRIES

  31 Almasri EFFECT OF MIND MAPPING LEARNING METHODS ON LEARNING OUTCOMES

  MULTICULTURAL EDUCATION Raimon Kopa, Afdhal Husnuzan, Bambang Heriyadi

  THE DESIGN OF LECTURER PERFORMANCE EVALUATION MODEL BASED ON ANALYTIC NETWORK PROCESS (ANP)

  Fenny Purwani, Nizwardi Jalinus, Ambiyar

  DEVELOPMENT OF MODEL OF PROPELLER-CROSS FLOW WATER TURBINE FOR PICO HYDRO POWER GENERATORTITLE AN EXPERIMENTAL STUDY ON THE EFFECT OF CENTRIFUGAL CLUCTH COOLING GROOVE ON MOTORCYLCE PERFOMANCE

  Purwantono, Refdinal, Hendri, Syahrul

  Ulfa Annida Damanik, Sri Wening PSYCHOLOGICAL FACTORS INFLUENCING THE DECISION MAKING OF PURCHASING PRODUCTS VIA ONLINE

  VOCATIONAL SCHOOLS BY CAPACITY BUILDING AND WORKSHOP ABOUT PREPARING LOCAL GOVERNMENT FINANCIAL STATEMENT; AN EXPERIMENTAL STUDY ON ACCOUNTING TEACHERS’ FROM VOCATIONAL SCHOOLS IN WEST SUMATERA PROVINCE

  IMPROVING TEACHERS’ PROFESIONALISM APPROPRIATE TO NEW CURRIRULUM 2017 FOR

  Vita Fitria Sari, Mayar Afriyenti, Mia Angelina Setiawan

  DEVELOPMENT OF PRODUCT PROMOTION APPLICATIONS MICRO SMALL AND MEDIUM ENTERPRISES (SMEs) BUKITTINGGI CITY

  EFFECT OF EGRICS INJECTION DURATION ON EMISSION DIESEL ENGINE Rahmatul Husna Arsyah, Ulya Ilhami Arsyah, Nizwardi Jalinus, Azwar Inra

  ANALYSING INFORMATION SYSTEM OF ACADEMIC SERVICES IN THE UNIVERSITY Muh. Barid Nizarudin Wajdi, Achmad Fathoni Rodli Lika Jafnihirda, Yuliawati Yunus, Nizwardi Jalinus, Azwar Inra Wagino, Toto Sugiarto, Dori Yuvenda, Ahmad Arif

  CELL ROTATION TO RESOLVE THE WEAKEST CELL DAMAGE IN THE BATTERY PACK IN DISCHARGING PROCESS Wahyu Prima, Ganefri, Krismadinata

  BLASTING DESIGN DEVELOPMENT AREA DECLINE CIBITUNG AND CIKONENG UNDERGROUND MINE PT CIBALIUNG SUMBERDAYA BANTEN Irwanto Zarma Putra, Citra Dewi

  RAHMATAN LIL ALAMIN , THE CONCEPT OF

  32 Emy Leonita, Nopriadi, Ahmad Satria Efendi, and Niswardi Jalinus

  29 MEDIA DEVELOPMENT OF PRODUCT PROMOTION AND STUDENTS STUDENT SMK NEGERI 8 PADANG CITY WEB- BASED

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  NEEDS ANALYSIS ON INCREASING COMPETENCY TEST RESULTSSTUDENTS IN S1 PROGRAM OF PUBLIC HEALTH SCIENCESSTIKES HANG TUAH PEKANBARU

  Remon Lapisa, Hendika Syahputra, Irma Yulia Basri, Rifdarmon, Hendra Dani Saputra

  48 Muh. Barid Nizarudin Wajdi, Andi Mursidi

  42

  FACTORS EFFECTING ELEMENTARY SCHOOL TEACHER READINESS ON IMPLEMENTING CURRICULUM IN WEST SUMATERA

  IMPLEMENTATION OF BASIC TECHNOLOGY EDUCATION MODEL OF TEACHING IN WEST SUMATERA YUNIOR SECONDARY SCHOOL Zuryanty, Hamimah, Mulyani Zein

  DEVELOPMENT PROBLEM BASED LEARNING MODEL USING VIRTUAL ENVIRONMENT FOR ENTREPRENEURSHIP COURSES Rasinov Chandra, Donny Fernandez, Erzeddin Alwi

  VISUALIZATION APPROACH Hasan Maksum, Aslimeri, Putra Jaya, Wanda Afnison Roni Sanjaya, Muhammad Hasmil Adiya, Gusrianty

  IDENTIFICATION SYSTEM (AIS) DATA BY INTERACTIVE

  PAIR (PULSED SECONDARY AIR INJECTION) EFFECTS TO EXHAUST GAS EMISSION

  Rasinov Chandra, M.Nasir, Reza Rahmadani, Mawardi

  FACTORS AFFECTING THE AUTOMOTIVE ENGINEERING STUDENTS’ INTEREST ON TEACHING PROFESSION

  Rasinov Chandra, Anggi Aprianto, Mawardi, Reza Rahmadani

  EFFECTIVENESS OF INTERACTIVE INSTRUCTIONAL MEDIA ON ELECTRICAL CIRCUITS COURSE: THE EFFECTS ON STUDENTS COGNITIVE ABILITIES

  43 DEVELOPMENT OF ONLINE EXAMINATION SYSTEM USING WONDERSHARE QUIZCREATOR BASED ON WEB DESIGN OF ELECTROMAGNETIC REGENERATIVE SHOCK ABSORBER AS A TOOL OF HARVESTING VIBRATION ENERGY ON VEHICLE Fitri Yanti, Rijal Abdullah, Krismadinata Doni Tri Putra Yanto, Sukardi, Deno Puyada

  41

  LESSON STUDY FOR IMPROVING A LEARNING QUALITY

  52

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  Saputra, Ardian Budi Kusuma Atmaja, Wenang Anurogo

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47 Mir’atul Khusna Mufida, Hendra

  54 Z Mawardi Effendi, Hansi Effendi and Hastria Effendi ACCESSIBILITY AND ACCEPTABILITY OF THE BMI MODEL AT INSTITUTE OF TEACHER TRAINING AND

  53 Hansi Effendi, Yeka Hendriyani THE DEVELOMENT OF INTERACTIVE BLENDED PROBLEM BASED LEARNING MODEL FOR PROGRAMMING SUBJECT

  51 Vitriani THE DEVELOPMENT OF VIT (VOCATIONAL INTEREST TEST) MODEL USING DECISION SUPPORT SYSTEM (DSS) TECHNIQUE

  INVESTIGATION OF CHEMICAL FEASIBILITY AND DISTRIBUTION OF IRON SAND RESERVE REGIONAL AREA OF AGAM DISTRICT FOR CEMENT RAW MATERIAL IN PT. SEMEN PADANG

  49 Heri Prabowo, Sumarya

  57 Edi Septe, Suryadimal, Wenny Marthiana, Nizwardi Jalinus, Ramli

  66

  VOCATIONAL STUDENTS BRACING CROSS SECTION EFFECT TO DISSIPATION ENERGY BY NUMERICAL ANALYSIS EARTHQUAKE AND TSUNAMI DISASTER MITIGATION TRAINING FOR ELEMENTARY SCHOOL STUDENTS IN THE COASTAL AREA OF PADANG PARIAMAN DISTRICT WITH KYOTO INTERNATIONAL DISASTER PREVENTATION SCHOOL METHOD PACK CARBURIZATION OF MILD STEEL, USING SHELL AS CARBURIZER TO TEST HARDNESS

  VOCATIONAL HIGH SCHOOL DESIGN OF SKILLASSESMENTIN COMPUTER NUMERICAL CONTROL PROGRAMMING SUBJECT ANALYSIS OF LEARNING COMPETENCY ENGINEERING STUDENTS VOCATION D 3 FT UNP USE OF PRODUCTS-BASED MODULE IN THE PROCESS OF LEARNING TO THE PRACTICAL COURSE LEARNING MODEL REQUIREMENTS IN VOCATIONAL TRAINING OF WELDING INSPECTOR BASED ON QUALITY FUNCTION DEPLOYMENT APPLICATION OF LEARNING BASED PRODUCTS IN ORDER TO GROW INTEREST IN ENTREPRENEURSHIP OF

  INSTRUCTIONAL MEDIA BASED ANDROID AT

  NEEDS ASSESSMENT ON DEVELOPMENT OF

  60 Sukardi, Deno Puyada, Rizky Ema Wulansari, Mahesi Agni Zaus

  59

  56 Ambiyar Febri Prasetya Yufrizal

  55

  67 Irma Yulia Basri, Delsina Faiza, Remon Lapisa, Nasrun Prima Zola, Rahmat, Fitra Rifwan Totoh Andoyono, Fitra Rifwan, Revian Bodi, Prima Zola, Annisa Prita

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  CONDUCTING LABOR MARKET ASSESSMENT IN ENGINEERING CURRICULUM DEVELOPMENT

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  61

  Ramli, Febri Prasetya, Silvia Martiveri Elida, Agusti Efi Abdullah Merjani, Yunesman

  THE DEVELOPMENT OF INTERACTIVE MULTIMEDIA- BASED LEARNING MEDIA USING ADOBE FLASH CS3 AND CAMTASIA IN PROBLEM-SOLVING LEARNING IN ELEMENTARY MATHEMATICS OF IN STUDENT PGSD STKIP ADZKIA IN PADANG

  68 Ika Parma Dewi, Lativa Mursida, Yani Rizkayeni Marta

  INTEREST AT COLLEGE EDUCATION

  64 Alvia Wesnita DEVELOPMENT OF ENTREPRENEURIAL LEARNING MODEL TO INCREASE STUDENTS ENTREPRENEURS'

  DESIGNING STRATEGY MAPS FOR PRIVATE ENGINEERING COLLEGE

  62 Nanang Alamsyah, Larisang, Muhammad Ansyar Bora

  58 Safril, Dedi Wardianto ANALYZING OF TECHNICAL CUTTING OF EMPTY PALM BUNCHES

  Waskito, Zonny Amanda Putra, Surfa Yondri, Rahmat Aziz Nabawi, Viky Prasetio Wahyudi

  Rizky Indra Utama, Nurhasan DEVELOPMENT OF INTERACTIVE MULTIMEDIA CD OF

  69 Syah, Rijal Abdullah

  INSTRUCTIONAL MEDIA ON BUILDING CONSTRUCTION Yuwalitas Gusmareta, Nurhasan

  IMPLEMENTATION OF DISASTER PREPARED SCHOOL

  70 Syah, Laras Andreas Oktavia, (SSB) IN WEST PASAMAN DISTRICT WEST SUMATERA Rizky Indra Utama, Muvi Yandra PROVINCE

  USING MOBILE TELECOMMUNICATIONS -2000 Zulham Sitorus, Ganefri, Nizwardi

  71 INTERNATIONAL FOR ANALYZING TECHNOLOGY Jalinus

  NETWORK ERA 4G-LTE THE VALIDITY OF MOBILE LEARNING MANAGEMENT

  72 Faiza Rini, Mahesi Agni Zaus SYSTEM (M-LMS) AT UNIVERSITY

  Zulfi Azhar, Rolly Yesputra, Eva DECISION SUPPORT SYSTEM IN SELECTING THE

  73 Yuni Handayani SCHOLARSHIP RECIPIENTS WITH SAW METHOD Muhammad Fakhriza, Kasman DECISION SUPPORT SYSTEM PROVIDING FUNDS FOR

  74 Rukun, Nazaruddin Nasution UNDERPRIVILEGED STUDENTS Muhammad Sabir Ramadhan, Neni

  IMPLEMENTATION OF PROJECT BASED LEARNING

  75 Mulyani, Muhammad Amin MODEL IN COURSE WEB DESIGN

  IMPACT OF WORK-BASED LEARNING OF CONCRETE

  76 Syafiatun Siregar STONE WORK PRACTICE ON DIPLOMA-III CIVIL ENGINEERING STUDENTS ANALYSIS OF VOLUME AND STRONG CONCRETE

  77 Nurmaidah

  IMPROVEMENT ON NON-SAND CONCRETE MIXED WITH ADDITION BAKING POWDER FLAT JACK EQUIPMENT DEVELOPMENT

  M. Giatman, Murad, Refki Adinata,

  78 MEASUREMENT OF STONE ON STEAM AND WALLS Thamrin

  SETTLED UNDER MINE DEVELOPMENT OF MECHANICAL TECHNOLOGY M. Giatman, Waskito, Maruli

  79 LEARNING MODULE PROGRAM EXPERTISE OF SMK Sihombing

  ENGINEERING

  VIRTUAL LAB IMPLEMENTATION QOS METAROUTER

  80 Raimon Efendi ON COMPUTER NETWORK LEARNING

  IMPROVEMENT OF CONCRETE QUALITY WITH

  81 Iskandar G.Rani, Widya Salmita ADDITION OF SUNUA PASIR PADANG PARIAMAN WEST SUMATRA THE CONTRIBUTIONS OF DISCIPLINE AND ENVIRONMENTAL KNOWLEDGE ON CLEAN BEHAVIOR

  82 Nurhasan Syah, Sanny Edinov OF STUDENTS IN PUBLIC ELEMENTARY SCHOOL KAMPUNG BARU PARIAMAN, WEST SUMATERA FACTORS AFFECTING STUDENTS IN CHOOSING

  83 Zulkifli, Dilson, Rahmad Al Rian COMPUTER ENGINEERING DEPARTMENT IN STT PAYAKUMBUH

  84 Arina Luthfini Lubis, Ririt Dwiputri Permatasari and M.

  86

  INTEGRATED ISLAMIC ELEMENTATY SCHOOL OF LAN TABUR PAGARALAM CITY DECISION SUPPORT SYSTEM FOR RECOMENDATION CERTIFICATION TEACHER ON VOCATIONAL HIGH SCHOOL CONTEXTUAL TEACHING AND LEARNING (CTL) MODEL DEVELOPMENT IN APPLIED PHYSICS THE PROFESSIONALISM OF VOCATIONAL HIGH SCHOOL SUPERVISORS IN THE IMPLEMENTATION OF ACADEMIC SUPERVISION ON THE OFFICE OF EDUCATION PADANG A INTELLIGENCE-COMPUTER ASSISTED INSTRUCTION MODEL BASEDON PROJECTS AND BLENDED LEARNING (PJ2BL) ON CRYPTOGRAPHY TECHNIQUES

  96 A VISUAL APPROACH - SINGLE LINKAGETECHNIQUES FOR CLUSTERING OF PALM SEEDS DATA SECURITY OF MEDICAL RECORD WITH RIVEST SHAMIR ADLEMAN (RSA) METHOD A MODEL PREVENTIVE MAINTENANCE CONTROL IN THE MACHINE TURNING AT WORKSHOP THE FACULTY OF ENGINEERING OF THE STATE UNIVERSITY IN PADANG DESIGN OF ANDROID BASED INTERACTIVE BOOK IN

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  Khairul, Rahmad Budi Utomo Yadi, Efan, Sigit Candra Setya

  Ropianto ANALYSIS OF THE DECREASE IN THE NUMBER OF STUDENTS MAJORING COMMERCE DEPARTMENT (STUDY CASE: SMK IBNU SINA BATAM)

  97 Suherman GAME BASED LEARNING TO IMPROVMENT TEACHERS KNOWLEDGE FOR TEACHING STRATEGY IN THE CLASS

  GROUP INVESTIGATION (GI) LEARNING MODEL ON THE SUBJECT OF UNDERSTANDING THE BASIC ELECTRONICS

  90 Fivia Eliza, Hamdani, Rahmat Hidayat, Erita Astrid, Panji

  DESIGN OF WASTE SEPARATOR MACHINE: USING WATER PRESSURE AND DIFFERENCE WEIGHT TYPE WASTE WATER

  89 Syahril, Rahmat Azis Nabawi, Purwantono, Refdinal, Irzal, Nofri Helmi

  A NEW MODEL MOBILE LEARNING MANAGEMENT SYSTEM BASED ON MOODLE IN UNIVERSITY

  88 Lita Sari Muchlis, Kasman Rukun, Krismadinata, Yahfizham

  DEVELOPMENT OF INSTRUCTIONAL MODULE OF CNC PROGRAMMING THEORY

  85 Eko supriadi, Syahril Syahril, Anni Faridah, Syaiful Islami

  Hefri Hamid, Nizwardi Jalinus, Syahril, Ambiyar, Febri Prasetya M.Syaifuddin, Ahmad Fitri Boy, Ali Ikhwan Dicky Nofriansyah, Ganefri, Ridwan Haryadi, Yussa Ananda, Dicky Nofriansyah Elfi Tasrif, Husaini Usman, Kasman Rukun Fadhilah, Z. Mawardi Effendi, Ridwan

  EFFECT OF PROJECT BASED LEARNING MODEL IN

  98 Erwinsyah Simanungkalit

  IMPROVING STUDENT LEARNING RESULT PRODUCT DESIGN INTERACTIVE MULTIMEDIA BASED LEARNING FOR THE INTRODUCTION OF COLORS,

  99 Ismael, Rian Farta Wijaya LETTERS, NUMBERS, SHAPES, PUZZLE AND QUIS GAMES

  Solly Aryza, Hermansyah, A NOVELTY OF QUALITY FERTILIZER DRYER BASED ON 100 Muhammad Irwanto, Zulkarnain SOLAR CELL AND ANN Lubis, Ali Ikhwan

  SIMULATION OF MERCURY TRANSPORT FROM GOLD 101 Yaumal Arbi, Eka R. Aidha MINING ACTIVITIES IN PELAWAN RIVER, SAROLANGUN THE MODELING OF MASSIVE LIMESTONE USING

  Dedi Yulhendra, Yoszi Mingsi 102

  INDICATOR KRIGING METHOD (CASE STUDIES OF Anaperta

  MASSIVE LIMESTONE IN PT SINAR ASIA FORTUNA) DEVELOPMENT OF MEDIA TRAINER MOTOR CONTROL

  Aswardi, Oriza Chandra, Hendri, FAULT SIMULATION FOR ELECTROMAGNETIC 103

  Ali Akmal Zoni CONTROL SYSTEM COURSE AT SMK NEGERI 1 PADANG APPLICATION OF WORK-BASED LEARNING

  Murad, Raimon Kopa, Dedy 104 SPSGBLASTING TECHNIQUE, MINING AT ENGINEERING Yulhendra

  PROGRAM DIFFERENCES IN LEARNING OUTCOMES IN THE 105 Edidas, Dedy Irfan PRACTICE OF MICROCONTROLLER SYSTEM USING

  MCS51 MICROCONTROLLER TRAINER KIT 106 Hanne Aulia, Riki Mukhaiyar A NEW DESIGN OF HANDLESS STIRRED DEVICE THE READINESS OF STUDENT TO ENTREPRENEUR 107 Ernawati THROUGH INCORPORATION OF THE PILOT PROJECT PRACTICE

  INFORMATION SYSTEM AND REPORT VALUE Indra Wijaya, Isra Mouludi, Fandy

  PROCESSING BASED MICROSOFT VISUAL BASIC 6.0 ON 108 Neta, Yaslinda Lizar, Satria Ami SENIOR HIGH SCHOOL (CASE STUDY AT SMAN 12

  Marta PADANG) DESIGN OF SIMULATOR FOR REPLACEMENT 109 Irwan Yusti, Ganefri, Ridwan OFTOOLSPRACTICE DIGITAL ENGINEERING IN THE

  VOCATIONAL SCHOOL

  IMPLEMENTATION OF MOBILE LEARNING Faiza Rini, Nizwardi Jalinus, MANAGEMENT SYSTEM (M-LMS) TO IMPROVE THE

  110 Fahmi Rizal

  EFFECTIVENESS OF STUDENT’S LEARNING ENGAGEMENT DOMESTIC EMPLOYMENT PROCESSING SYSTEM ON

  Eddis Syahputra Pane, Kori 111 WORKING PROTECTION AND TRANSMIGRATION USING Cahyono

  GEOGRAPHIC INFORMATION SYSTEM (GIS) 112 Netty Juliana DEVELOPMENT OF MALAY FRUIT ORNAMENT Oktaviani, An Arizal, Nadra ANALYSIS OF APPROPRIATE PEDESTRIAN CROSSING

  113

  116 Rusli Saputra, Sophan Sophian, Delia Putri

  IMPACT OF THE TWI LEARNING MODEL IN LEARNING STONE AND CONCRETE CONSTRUCTIONS ON VOCATIONAL EDUCATION 114 115 124 126 127

  INTERACTIVE VIDEO MEDIA WITH THE APPLICATION OF GROUP LEARNING STRATEGY

  117 118 119

  INSTRUCTIONAL DESIGN MODEL IN THERMODYNAMICS ON TECHNICAL VOCATIONAL EDUCATION AND TRAINING (TVET) TRAINING MODEL-BASED KNOWLEDGE MANAGEMENT SYSTEM FOR VOCATIONAL HIGH SCHOOL TEACHERS SKILLS ENGINEERING COMPUTER NETWORK

  VIDEO ENCODING RASPBERRY PI COLLABORATIVE PROJECT-BASED LEARNING: AN

  INFLUENCE THE LEARNING STRATEGY AND ENTRY BEHAVIOR TO YIELD LEARNING BUILDING CONSTRUCTION AND DRAWING 1 OF STUDENT LEARNING BROADCAST VIDEO SYSTEM WITH H264

  IDENTIFICATION OF TECHNICAL PROGRAM TEST PROGRAMS ELECTRICITY CONSTRUCTION SERVICES BUSINESS COMPANY PROFITABILITY ANALYSIS BEFORE AND AFTER CORPORATE REBRANDING (Case study in Kyriad Bumiminang Hotel July – December 2015 and July – December 2016 period)

  THE POTENTIAL OF RENEWABLE ENERGY (STUDY CASE IN TOMUAN HOLBUNG VILLAGE, ASAHAN REGENCY OF SUMATERA UTARA PROVINCE)

  129 Kinanti Wijaya, Daniel Irvansius Tampubolon

  MULTIMEDIA INTERACTIVE IN WEB PROGRAMMING SUBJECTS 121 Rice Novita

  IDENTIFICATION THE IMPORTANCE OF LEARNING TOOLS DEVELOPMENT ON ENERGY-EFFICIENT BUILDING INNOVATIONS USING ROOT CAUSE ANALYSIS

  128 Kemala Jeumpa

  IMPROVING THE ESP STUDENTS’ VOCABULARY BY USING PICTURES IN CIVIL ENGINEERING STUDY PROGRAM AT FIRST SEMESTER OF EKASAKTI UNIVERSITY PADANG

  THE PROSPECT OF OFFSHORE IRON SAND IN TIRAM BEACH PADANG PARIAMAN REGENCY WEST SUMATERA 125 Elda Martha Suri

  123 Adree Octova, Ansosry, Yoszi Mingsi Anaperta, Indah Elok Mukhlisah

  Resmi Darni, Z. Mawardi Effendi and Selamat Triono EXPERT MODEL SYSTEM ON ENTREPRENEURSHIP PERSONALITY

  MEASUREMENT SYSTEM MAJORS OF TALENT INTEREST AND CAREER STUDENT USING CERTAINTY FACTOR 122

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  NEED ANALYSIS ON INDUSTRY REGARDING Reno Yelfi, Mukhayar, Nizwardi 130 QUALIFICATION OF GRADUATES DIPLOMA III Jalinus, Azwar Ananda

  CULINARY MATERIAL SELECTION ANALYSIS AND MAGNET 131 Sepannur Bandri, M. Aldi Tio SKEWING TO REDUCE COGGING TORQUE IN

  PERMANENT MAGNET GENERATOR COMPARISON OF DECISION TREE ALGORITHM METHOD (C4.5) AND NAIVE BAYES TO IDENTIFY STUDENT 132 Sri Restu Ningsih LEARNING RESULTS WITH COOPERATIVE LEARNING MODEL ONLINE ASSESSMENT TOOLS FOR 2013 CURRICULUM

  133 Suartin, Hambali, Oriza Chandra BASE ON INFORMATION TECHNOLOGY DEVELOPING SOFT SKILLS LEARNING MODEL

  134 Suryo Hartanto FOR MECHANICAL ENGINEERING STUDENTS OF

  VOCATIONAL HIGH SCHOOL CLUSTER ANALYSIS DISTANCE INTER DISTRICT USING Ali Ikhwan, YasminMohd Yacob, 135 SINGLE LINKAGE METHOD FOR DETERMINATION OF Solly Aryza

  MPLIK CAR OPERATION ZONE IN MEDAN CITY ELECTRONIC COMPONENT TESTER AS A LEARNING Delsina Faiza, Thamrin, Ahmaddul 136 MEDIA FOR CLASS X STUDENTS AUDIO VIDEO Hadi, Yongki Saputra

  ENGINEERING SMKN 1 SUMBAR Yocky Syaida Adha Putra, Tengku SOIL STABILITY USING CEMENT PCC IN LUBUK

  137 Ahmad Fauzan Syah MINTURUN PADANG, INDONESIA

  LEARNING RESPONSE OF JOURNEY LEARNING Suparno, Bulkia Rahim, Zonny 138 COOPERATIV LEARNING AND LEARNING MODULE IN Amanda Putra, Junil Adri, Jasman

  EDUCATION MEDIA LEVEL RESOURCE SHARING–BLENDED PROJECT BASED 139 Wahyudi LEARNING (RS-BPBL©) MODEL DEVELOPMENT IN

  VOCATIONAL HIGH SCHOOL Ansosry, Adree Octova, Dedi STUDY MODELING MANAGEMENT OF MINING IN

  140 Yulhendra DISTRICT SOLOK SUMATERA BARAT Eko Hariyanto, Solly Ariza Lubis, THE DESIGNING OF THE PROTOTYPE OF THE AIR

  141 Zulham Sitorus, M. Iqbal QUALITY MEASURING HELMET

  THE EFFECT OF STRATEGY OF TRAINING MODELS IN 142 Elfizon, Syamsuarnis, Oriza Candra LEARNING ELECTRICAL INSTALLATION SOFTWARE DEVELOPMENT OF CONCENTRATION

  143 Elin Haerani SELECTION WITH INTEREST TEST BASED ON

  INTELLIGENT SYSTEM DESIGNING LEARNING TOOLS BY USING PROBLEM BASED INSTRUCTION (PBI) MODEL ON ENERGY 144 Estuhono RESOURCE MATERIAL

  INTEGRATED TO ENERGY SAVING CHARACTER FUZZY LOGIC BASED CONTROLLER FOR BUCK 145 Habibullah, Irma Husnaini, Asnil

  CONVERTER STRATEGY, THE EFFECTIVENESS OF THE 146 Idi Jang Cik

  IMPLEMENTATION E-LEARNING PROCESS IN SUPPORT

  ART EDUCATION THROUGH FREE EXPRESSION APPRECIES, DISCIPLINE SCIENCE, AND 147 Indra Irawan MULTICULTURAL AS EFFORTS TO IMPROVE STUDENT CREATIVITY DEVELOPMENT OF NET ENTREPRENEURSHIP LEARNING

  148 Muharika Dewi MODEL FOR UNIVERSITAS NEGERI PADANG

  Mukhidin, Tuti Suartini, Bachtiar,

  IMPLEMENTATION OF MODEL-BASED LEARNING 149

  Aan Sukandar

  ISO/IEC 17025 IN VOCATIONAL HIGH SCHOOL MEASUREMENT MODEL OF CONTRIBUTED FACTOR

  Mulianti, Ambiyar, Generousdi 150 AND INDICATOR TOWARDS VOCATIONAL EDUCATION and Rodesri Mulyadi

  PRODUCTIVITY Mulianti, Suhendrik Hanwar, MODELING FACTORS AFFECTING THE POLYTECHNIC

  151 Generousdi and Budi Syahri GRADUATE COMPETENCE

  THE INFLUENCE OF USING ANIMATION MEDIA AND Indra Wahyu, Fahmi Rizal, Rijal 152 LEARNING MOTIVATION TOWARD LEARNING RESULT Abdullah

  OF AUTOMOTIVE STUDENTS IN SMK N 2 PAYAKUMBUH ROLE REINFORCEMENT OF LPTK PTK IN IMPROVING 153 Ungsi A.O.Marmai

  VOCATIONAL TEACHERS’ QUALITY IN INDONESIA AT SMK N 5 PADANG BUILD AND DESIGN OF BUSINESS INTELLIGENCE

  154 Yaslinda Lizar, Asriwan Guci UNIVERSITY SYSTEM AS DECISION SUPPORT ACADEMIC DEVELOPMENT ASSESSMENT MODEL TO HIGH ORDER

  Wakhinuddin S, Bahrul Amin, 155 THINKING SKILL ORIENTATE FOR EVALUATION Waskito

  STUDENT COMPETENCY

  INFLUENCE OF PRELIMINARY TREATMENT ON MAKING Romel, Hefri, Syahrul, Arwizet, 156 COCONUT FIBER PARTICLE BOARD TO BENDING Syahril

  STRENGTH AND IMPACT DEVELOPMENT OF INDUSTRIAL STATISTICS MODULE 157 Sanusi, Nandar Cundara C

  USING PROJECT - BASED LEARNING (PjBL) APPROACH PREDICTED vulnerability Assessment of non Engineered houses

  Rusnardi Rahmat Putra, Junji 158 based on damage data of the 2009 padang EARTHQUAKE IN KIYONO and Aiko FURUKAWA

  Padang city, indonesia DEVELOMPENT OF WEB-BASED DECISION SUPPORT

  Titi Sriwahyuni, Dedi Irfan, Ika SYSTEM FOR SCHOLARSHIP RECIPIENTS SELECTION

  159 USING ANALYTICAL HIERARCHY PROCESS (AHP)

  Pharma Dewi dan Hanny Maharani METHOD

  Nelvi Erizon, Irzal, Jasman, Bulkia THE DEVELOPMENT OF WIND SAVONIUS WIND BLADE 160

  Rahim, Junil Adri SYSTEM AS A ELECTRICAL GENERATOR EQUIPMENT THE EFFECT OF ISLAMIC WORK ETHICS AND SPRITUAL 161 Eka Mariyanti, Rasidah Nasrah LEADERSHIP ON EMPLOYEE’S COMMITMEN IN PADANG SHARIA HOTELS

  Yeka Hendriyani, Nurindah THE DEVELOPMENT OF OBJECT ORIENTED 162

  163 Riki Adriadi, Ganefri and Fahmi Rizal

  Mulya Gusman, Totoh Andayono, Dedi Yulhendra, Adree Octova

  Liliana, Afriani, Anwardi AUTOMOTIVE DEPARTMENT STUDENT PERCEPTION ON LECTURER COMPETENCIES, LEARNING FACILITIES, AND LEARNING MEDIA TO LEARNING ACTIVITIES

  INFORMATION TECHNOLOGY AND DATA BASE (PTIPD) UIN SUSKA RIAU

  OPTIMIZATION OF EXTERNAL LIGHTNING PROTECTION SYSTEM DESIGN IN BUILDING CENTER FOR

  PERSONNAL MANAGEMENT IN INFORMATION SYSTEMS APPLICATIONS WITH TOGAF FRAMEWORK 175 172

  Safrian Aswati, Saleh Malawat, Suhendra, Iskandar, Yessica Siagian, Arridha Zikra Syah

  MICROCONTROLLER SKILL TRAINING FOR SMKN 2 PAYAKUMBUH AND SMKN 1 SUNGAI RUMBAI 176

  174 Edidas, Legiman Slamet dan Ilmiyati Rahmy Jasril

  173 Edidas dan Legiman Slamet CREATE A MICROCONTROLLER TRAINER KIT ON MICROCONTROLLER SYSTEM COURSE

  171 Jusmita Weriza PATIENT INFORMATION SYSTEM DESIGN ON MATERNITY HOSPITAL RESTU IBU PADANG

  THE EFFECT OF TOTAL RESISTANCE AND SPEED TO FUEL CONSUMPTION OF DUMP TRUCK HD 465-7 IN COAL MINING 170 Yasdinul Huda, B Herawan Hayadi SMART CLASSROM DESIGNS IN THE SMART EDUCATIONAL ENVIRONMENT

  USE OF GEARBOX VIAR ON FISHING SHIPS 169

  EMPLOYEE PRODUCTIVITY IN TWO CROSS CULTURES BASED ENTREPRENEURSHIP 164

  Wakhinuddin S, Donny Fernandez, Andrizal, M Nasir, Rifdarmon

  VARIOUS DESIGN 168

  MODEL OF DESIGN DESIGN OF ACULTURATIVE SULAMAN MINANGKABAU IN LEARNING DESIGN

  THE APPLICATION OF SIMPLE STRAIN GAUGE DYNAMOMETER IN LEARNING STYLE CUTTING LATHE 167 Yuliarma

  Wenny Marthiana, Suryadimal, Edi Septe, Duskiardi, Andika

  IN SMKN 6 166

  DEVELOPMENTAL OF MEDIA LEARNING BASED ON TUTORIAL VIDEO AT CHARACTER MAKE UP SUBJECT

  Tyas Asih Surya Mentari, Murni Astuti, and Linda Rosalina

  THE IMPLEMENTATION OF DECISION TREE ALGORITHM C4.5 USING RAPIDMINER IN ANALYZING DROPOUT STUDENTS 165

  Sri Wahyuni, Kana Saputra Saragih, Mochammad Iswan Perangin-Angin

  Rasinov Chandra, Mawardi, Anggi Aprianto, Reza Rahmadani

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  Padang : November 9-11, 2017 Int. J. of GEOMATE, Month, Year, Vol.00, No.00 (Sl. No. 00), pp. 00-00

FLAT JACK EQUIPMENT DEVELOPMENT MEASUREMENT OF STONE ON STEAM AND WALLS SETTLED UNDER MINE

  1 2 3 4 1 M. Giatman , Murad , Refki Adinata , Thamrin 2 Faculty of Engineering, State University of Padang, Indonesia 3 Faculty of Engineering, State University of Padang, Indonesia Mining Engineering Study Program, High School of Industrial Technology, Indonesia 4 Faculty of Engineering, State University of Padang, Indonesia ABSTRACT: The purpose of this research is the development of Flat Jack tool that will be used to determine the value of stress on the wall, convergence value to monitor the roof deformation, the geological structure condition or the general straightness in the research area, stand up time for as reference in the mounting of the buffer. The research was conducted in mining laboratory of Mining Engineering Department of FT-UNP and underground mining location in Sawahlunto. In this activity, there are also several factors that will be explored in controlling the stability of the roof and walls of the underground mine, namely the natural stress (Virgin Vertical Stress), the induced stress (Measured Vertical Stress), the depth, the convergence value, the geological structure or the general alignment, and the parameters weighting of rock mass including PLI compressive strength (Point Load Index), Rock Quality Designation (RQD) value, solid spacing, solid condition, ground water condition, and stacked discontinuity orientation. This type of research is quantitative research. In this study how to analyze stress value that is between virgin vertical with measured stress. For convergence data is described as a trend, as well as analyze the weighting (RMR) and geological structure at the Work Location Underground Mine in 2017.

  The main tool used in this study is to measure the stress value of a flat jack tool, to measure the value of convergence measured by stick convergence rod. And for the measurement of geological structure using geological compass, meter, and digital caliper. The results of this research are just at the design stage of development of tools: 1). Flat Jack tool that is in this design is the development of Flat Jack tools that already exist and more need to be in uci try. 2) Flat Jack and convergence rod tools can be used in field measurements. 3) More broadly developed tools can be used for research in assessing the stability of underground mine tunnel wall and provide information to the company to know the stability of the rocks on the roof and underground mine tunnel walls.

  Keywords: Flat Jack, Rock Stability, Underground Mine 1.

  Conversion monitoring can use extensometer

   INTRODUCTION and convergence indicator. While international Geomechanics aspect is one important aspect standards in weighting rock mass can refer to RMR that must be considered to maintain the stability of (Rock Mass Rating) according to Bieniawski 1994, openings in the underground mine. Other aspects to SMR (Slope Mass Rating), and Q System. consider are geology, hydrogeology and technical The objective of this research is the support. development of Flat Jack tool that will be used to Geomechanical monitoring of underground determine the value of stress on the wall (rib), mines include: measurement of insitu stress, convergence value to monitor the roof deformation, monitoring of convergence, and weighting of rock the state of geological structure or general mass. There are many insitu stress measurements alignment in the research area, stand up time for including: overcoring techniques, hydraulic reference in mounting buffer. fracturing techniques, and flat jack methods. Further designed tools can be used by mining The flat jack method is a simple method using a companies to produce geological models and rock thin steinless plate welded around it and fitted with classification to find the image of underground a door as the entry point for the pressure generated mined roofs and walls. The results of the by the hydraulics. measurements will be an indication to disclose

  Int. J. of GEOMATE, Month, Year, Vol.00, No.00 (Sl. No. 00), pp. 00-00

  4 th International Conference on Technical and Vocation Education and Training

  Padang : November 9-11, 2017 when to install the buffer timing and make reference reports to prevent or minimize the occurrence of accidents in the Underground Working Place.

  Page 419

  

2.2.

Stability Stability is influenced by two forces, the holding force and the driving force. The retaining force is the force that holds the mass from the movement to avoid avalanches or collisions. While the driving force is a force that causes the mass to move so that there is avalanches or collisions. The retaining force can be defined as a wall of tunnels or mounted stands. While the driving force is the amount of load supported by the wall or the support. In the underground mine if the rock voltage is higher than the rock compressive strength, this condition is said to be unstable and thus lead to collapse [2].

2. LITERATURE REVIEW 2.1.

  b. Tectonic Voltage

  Figure 1. Voltage Distribution Before and After Excavation [1]

  Voltage Around Tunnel According to the origin of the voltage in the rock is divided into 2, namely: natural stresses (natural stresses) and induced stresses (induced stresses). Natural stress is the stress in rock mass before excavation is carried out, where the voltage consists of gravitational stress, tectonic stress, residual stress and thermal stress. While the induced voltage is the voltage that occurs when an underground aperture is made on the rock mass [1].

  2.3.1. Overcoring Technique The first overcoring technique was adopted by N. Hast on the measurement of insitu stress in Scandinavia in the 1950s. A study shows that 70% - 80% of the world's in-situ stress measurement data was obtained using the overcoring technique [3]. The principle of overcoring method is to free all the stresses in rock mass by utilizing the cores from drill results. Then the deformation of the rock caused by the release of the voltage is measured by using a cell containing several strains of gauges pairs. Knowing the characteristics of the rock deformation of the laboratory test then the state of in-situ stress in the rock can be calculated [1]. Images of the Hollow Inclusion Strain Cell tool which is an overcorrecting technique can be seen in Figure 2. a b

  In-situ voltage measurements are found such as: in mining, geotechnical, hydro-engineering, petroleum engineering, rail and road engineering projects. There are many types of in situ voltage measurements including: overcoring techniques, hydraulic fracturing techniques, and flat jack techniques.

  

2.3.

Voltage Measurement In-situ Voltage is an important parameter for planning and designing most engineering projects that implement excavation on rocks. In-situ voltage measurement of the objective is to know the state of stress in the rock mass and can determine the parameters important to know the behavior of rock mass at the place of origin.

  The rock structure will be stable in a dry state and will become unstable when the water content increases. For the sake of stability problem mass of rock solid measurement also need to be done in detail, specially about the solid quality found in outcrop rock mass. The stability of rock mass depends not only on the stout frequency but also depends on the severity, the width of the crack, and the burly stuffing.

  2.1.1. Natural Voltage The natural voltage consists of several voltages including:

  The voltage distribution in the tunnel wall differs from the voltage before the rocks are dug. The induced voltage is the voltage that occurs in the rock after the excavation or opening process. The voltage distribution before and after the excavation can be seen in figure 1.

  c. Voltage Time

  c.

  The initial voltage locally will turn into an induced voltage.

  a. Gravitational stress

  Unsaved rocks receive greater loads than they were before they were excavated because the part that had to accept the load had been lost.

  2.1.2. Induced Voltage References [1] describes an underground aperture created on the rock mass of the following conditions: a.

  d. Thermal Voltage

  b.

  Int. J. of GEOMATE, Month, Year, Vol.00, No.00 (Sl. No. 00), pp. 00-00

  Measure in-situ stresses in rock mass by testing the existing fracture behavior or newly formed fractures by injection of water or other fluids until the pressure required to reopen the fracture in the borehole. Analysis of the data obtained in the form of water flow and pressure can determine the magnitude of the normal stress on the tested fracture. By testing the various fractures present in the rock mass, the state of stress in the rock mass can be known. A new type of hydraulic fracturing stress measurement system can be seen in Figure 3.

  Flat jacks with curved edges are designed to fit slots cut by a saw. Flat rectangular jack is designed to fit on a slot made with a hand drill. Regardless of shape, the flat jack must match the slot made. The thickness of the flat jack is determined by the specific function. An ideal flat jack will fill the slot with fitting. Differences in flat jack configuration can be seen in figure 4.

  Flat jacks are a simple method by a thin steinless plate with hydraulics. A flat jack can be produced in various shapes and sizes. The actual dimension is determined by the function, the slot preparation technique and the nature of the stone to be tested.

  Moving tools can be done easily. The weakness of the flat jack technique, there can be errors in the readings of the measurement results because the readings are done manually.

  

d.

  Non destructive (damage is temporary and can be fixed).

  

c.

  The test is simple and relatively cheap.

  

b.

  Measurements are made after opening or excavation.

  Measurement of flat jack is a measurement technique that is in situ test or directly in the field that aims to know the stress and deformation of rock structures in the tunnel and mine. Advantages of flat jack techniques:

a.

  2.3.3. Flat Jack Technique The flat jack test is a direct and in-situ testing method that requires only slot-making on walls. This is considered non-destructive because the damage is temporary and can be easily repaired after the test. The flat jack test can be used for engineering problems to evaluate the structure, which is also used to determine insitu stress and compressive strength [4].

  Figure 3. New Types Of Hydraulic Stress Measurement System [3]

  2.3.2. Hydraulic Fracturing Technique The Hydraulic Fracturing Technique is an in- situ sress measurement technique that is effectively used in stress measurement for deep areas. Mainly used for in-situ measurements of stress on hydropower engineering, road engineering, subway and others. But rarely used in mining techniques. But in recent years, this technique has been used in mining techniques for in-situ stress estimation at the mine exploration stage. This technique is useful at the mine to obtain in-situ stress information before the design and construction of the mine [3].

  4 th International Conference on Technical and Vocation Education and Training

  The success of the measurement depends on the drilling results.

  c.

  Requires full coring for representative measurements.

  b.

  The technology is relatively expensive.

  Can be determined every depth. Weaknesses Overcoring Techniques: a.

  c.

  Use of practical tools, which can record data automatically.

  b.

  Testing can be done in laboratory.

  Techniques [3] Advantages of Overcoring Techniques: a.

  Padang : November 9-11, 2017 Figure 2. Hollow Inclusion Strain Cell Tool with Data Collector Automatic of Overcoring

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c.

  Figure 8. Sketch of Flat Jack Design Hydraulic Hose hidraulik Pressure Gauge Iron Plat Page 421

  Figure sket design tool and the size of the flat jack can be seen in Figure 8 and Figure 9.

  Place pressure gauge to read the pressure on the flat jack.

  

f.

  The pressure is channeled into a flat jack that is strung with a hose and a hand pump.

  

e.

  Create a hole as a port or door where the pressure of the hydraulic entry and where to add oil.

  

d.

  Weld around the iron plate so tightly that pressure can not get out of the iron plate.

  Select Hydraulic Hand Pump

b.

Two cut iron plates are formed rectangular with size (200 x 100 x 15 mm) (Standard RILEM