Jl. Babarsari No.44 Yogyakarta 55281 Indonesia KotakPos 1086 Telp.+62-274-487711 hunting Fax. +62-274-487748
96
D. Hasil Pengujian - 96
Contoh Hitungan : f = 500 x 9,80671 = 4903,355 N
A = 0,25 x π x d
2
= 0,25 x π x 151,1
2
= 17931,5904 mm
2
P = 200,9 mm
0,2734MPa 17931,5904
4903,355 A
f σ
5 3
1,7422x10 200,9
3,5x10 P
Δ p ε
X
koreksi
= 1,1358. 10
-5
5 5
5 koreksi
koreksi
0,6064.10 1,1358.10
1,7422.10 x
ε ε
Beban maks = 465 KN
Fmax =
5904 ,
17931 1000
465x
= 25,9319 MPa σ
p
= 7,383 MPa ε
p
= 41,9204 . 10
-5
Modulus elastisitas =
p p
ε σ
17612,15 MPa Modulus elastisitas teori =
fc x0,043x
W
1,5 c
= 23781,2 MPa
y = -0.0009x
2
+ 0.2081x - 0.2352 R² = 0.9991
0.0 1.0
2.0 3.0
4.0 5.0
6.0 7.0
8.0
0.0 5.0
10.0 15.0
20.0 25.0
30.0 35.0
40.0 45.0
50.0
M Pa
.10
-5
Grafik Kuat Tekan SF BN 4
Jl. Babarsari No.44 Yogyakarta 55281 Indonesia KotakPos 1086 Telp.+62-274-487711 hunting Fax. +62-274-487748
97
D. Hasil Pengujian - 97
Kode Beton = SF 15 1
Po =
201,6 mm
Ao =
17907,86352 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 0,4778
0,0000 500
4903,355 10
5 0,2738
2,4802 2,0024
1000 9806,71
17 8,5
0,5476 4,2163
3,7385 1500
14710,07 25
12,5 0,8214
6,2004 5,7226
2000 19613,42
32 16
1,0952 7,9365
7,4587 2500
24516,78 40
20 1,3691
9,9206 9,4428
3000 29420,13
48 24
1,6429 11,9048
11,4270 3500
34323,49 56
28 1,9167
13,8889 13,4111
4000 39226,84
64 32
2,1905 15,8730
15,3952 4500
44130,2 73
36,5 2,4643
18,1052 17,6274
5000 49033,55
82 41
2,7381 20,3373
19,8595 5500
53936,91 93
46,5 3,0119
23,0655 22,5877
6000 58840,26
104 52
3,2857 25,7937
25,3159 6500
63743,62 113
56,5 3,5595
28,0258 27,5480
7000 68646,97
126 63
3,8333 31,2500
30,7722 7500
73550,33 137
68,5 4,1072
33,9782 33,5004
8000 78453,68
151 75,5
4,3810 37,4504
36,9726 8500
83357,04 167
83,5 4,6548
41,4187 40,9409
9000 88260,39
185 92,5
4,9286 45,8829
45,4051 9500
93163,75 203
101,5 5,2024
50,3472 49,8694
10000 98067,1
231 115,5
5,4762 57,2917
56,8139 10500
102970,5 271
135,5 5,7500
67,2123 66,7345
11000 107873,8
320 160
6,0238 79,3651
78,8873
Jl. Babarsari No.44 Yogyakarta 55281 Indonesia KotakPos 1086 Telp.+62-274-487711 hunting Fax. +62-274-487748
98
D. Hasil Pengujian - 98
Contoh Hitungan : f = 500 x 9,80671 = 4903,355 N
A = 0,25 x π x d
2
= 0,25 x π x 151
2
= 17907,863 mm
2
P = 201,6 mm
0,2738MPa 17907,863
4903,355 A
f σ
5 3
2,4802x10 201,6
5x10 P
Δ p ε
X
koreksi
= 0,4778. 10
-5
5 5
5 koreksi
koreksi
2,0024.10 0,4778.10
2,4802.10 x
ε ε
Beban maks = 11050 kgf
Fmax =
863 ,
17907 80671
, 9
11050x
= 6,0512 MPa σ
p
= 1,6429 MPa ε
p
= 11,427 . 10
-5
Modulus elastisitas =
p p
ε σ
14377,06 MPa Modulus elastisitas teori =
fc x0,043x
W
1,5 c
= 8590,6 MPa
y = -0.001x
2
+ 0.1568x - 0.0747 R² = 0.9994
0.0 1.0
2.0 3.0
4.0 5.0
6.0 7.0
0.0 10.0
20.0 30.0
40.0 50.0
60.0 70.0
80.0 90.0
M Pa
.10
-5
Grafik Kuat Tekan SF 15 1
Jl. Babarsari No.44 Yogyakarta 55281 Indonesia KotakPos 1086 Telp.+62-274-487711 hunting Fax. +62-274-487748
99
D. Hasil Pengujian - 99
