Jl. Babarsari No.44 Yogyakarta 55281 Indonesia KotakPos 1086 Telp.+62-274-487711 hunting Fax. +62-274-487748
108
D. Hasil Pengujian - 108
Contoh Hitungan : f = 50 x 9,80671 = 490,3355 N
A = 0,25 x π x d
2
= 0,25 x π x 150,6
2
= 17813,113 mm
2
P = 209,06 mm
0,0275MPa 17813,113
490,3355 A
f σ
5 3
0,2392x10 209,06
0.5x10 P
Δ p ε
X
koreksi
= -0,947. 10
-5
5 5
5 koreksi
koreksi
1,1862.10 0,947.10
0,2392.10 x
ε ε
Beban maks = 1635 kgf
Fmax =
113 ,
17813 80671
, 9
1635x
= 0,9001 MPa σ
p
= 0,2477 MPa ε
p
= 5,9695 . 10
-5
Modulus elastisitas =
p p
ε σ
4150,1081 MPa Modulus elastisitas teori =
fc x0,043x
W
1,5 c
= 2671,5671 MPa
y = -0.0004x
2
+ 0.0409x + 0.0391 R² = 0.9986
0.0 0.1
0.2 0.3
0.4 0.5
0.6 0.7
0.8 0.9
1.0
0.0 10.0
20.0 30.0
M Pa
.10
-5
Grafik Kuat Tekan SF 30 2
Jl. Babarsari No.44 Yogyakarta 55281 Indonesia KotakPos 1086 Telp.+62-274-487711 hunting Fax. +62-274-487748
109
D. Hasil Pengujian - 109 Kode Beton =
SF 30 3
Po =
208,66 mm
Ao =
18385,38561 mm
2
Beban Compressometer
Compressometer Tegangan Regangan
Regangan Koreksi
kgf N
Δ P 10
-3
Δ P2 10
-3
MPa 10
-5
10
-5
0,0000 -0,6030
0,0000 50
490,3355 8
4 0,0267
1,9170 2,5200
100 980,671
13 6,5
0,0533 3,1151
3,7181 150
1471,0065 18
9 0,0800
4,3132 4,9162
200 1961,342
22 11
0,1067 5,2717
5,8747 250
2451,6775 29
14,5 0,1333
6,9491 7,5521
300 2942,013
36 18
0,1600 8,6265
9,2295 350
3432,3485 42
21 0,1867
10,0642 10,6672
400 3922,684
48 24
0,2134 11,5020
12,1050 450
4413,0195 56
28 0,2400
13,4190 14,0220
500 4903,355
63 31,5
0,2667 15,0963
15,6993 550
5393,6905 71
35,5 0,2934
17,0133 17,6163
600 5884,026
80 40
0,3200 19,1699
19,7729 650
6374,3615 88
44 0,3467
21,0869 21,6899
700 6864,697
97 48,5
0,3734 23,2436
23,8466 750
7355,0325 108
54 0,4000
25,8794 26,4824
800 7845,368
118 59
0,4267 28,2757
28,8787 850
8335,7035 126
63 0,4534
30,1927 30,7957
900 8826,039
140 70
0,4801 33,5474
34,1504 950
9316,3745 153
76,5 0,5067
36,6625 37,2655
1000 9806,71
164 82
0,5334 39,2984
39,9014 1050
10297,0455 176
88 0,5601
42,1739 42,7769
1100 10787,381
184 92
0,5867 44,0909
44,6939 1150
11277,7165 195
97,5 0,6134
46,7267 47,3297
1200 11768,052
211 105,5
0,6401 50,5607
51,1637 1250
12258,3875 235
117,5 0,6667
56,3117 56,9147
1300 12748,723
255 127,5
0,6934 61,1042
61,7072 1350
13239,0585 274
137 0,7201
65,6570 66,2600
1400
Jl. Babarsari No.44 Yogyakarta 55281 Indonesia KotakPos 1086 Telp.+62-274-487711 hunting Fax. +62-274-487748
110
D. Hasil Pengujian - 110