Jl. Babarsari No.44 Yogyakarta 55281 Indonesia KotakPos 1086 Telp.+62-274-487711 hunting Fax. +62-274-487748
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D. Hasil Pengujian - 92
Contoh Hitungan : f = 500 x 9,80671 = 4903,355 N
A = 0,25 x π x d
2
= 0,25 x π x 151,4
2
= 18002,865 mm
2
P = 200,9 mm
0,2724MPa 18002,86
4903,355 A
f σ
5 3
1,2444x10 200,9
2,5x10 P
Δ p ε
X
koreksi
= -0,008. 10
-5
5 5
5 koreksi
koreksi
1,2524.10 0,008.10
1,2444.10 x
ε ε
Beban maks = 470 KN
Fmax =
18002,865 470x1000
= 26,10696 MPa σ
p
= 7,35386 MPa ε
p
= 38,3355 . 10
-5
Modulus elastisitas =
p p
ε f
19182,89 MPa Modulus elastisitas teori =
fc x0,043x
W
1,5 c
= 24148,3 MPa
y = -0.0005x
2
+ 0.2048x + 0.1507 R² = 0.9994
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
M Pa
.10
-5
Grafik Kuat Tekan SF BN 2
Jl. Babarsari No.44 Yogyakarta 55281 Indonesia KotakPos 1086 Telp.+62-274-487711 hunting Fax. +62-274-487748
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D. Hasil Pengujian - 93
Kode Beton = SF BN 3
Po =
200,9 mm
Ao =
17860,45689 mm2
Beban Compressometer
Compressometer Tegangan
Regangan Regangan
Koreksi kgf
N Δ P 10
-3
Δ P2 10
-3
MPa 10
-5
10
-5
0,0000 -1,3760
0,0000 500
4903,355 2
1 0,2745
0,4978 1,8738
1000 9806,71
4 2
0,5491 0,9955
2,3715 1500
14710,07 7
3,5 0,8236
1,7422 3,1182
2000 19613,42
11 5,5
1,0981 2,7377
4,1137 2500
24516,78 16
8 1,3727
3,9821 5,3581
3000 29420,13
20 10
1,6472 4,9776
6,3536 3500
34323,49 24
12 1,9218
5,9731 7,3491
4000 39226,84
29 14,5
2,1963 7,2175
8,5935 4500
44130,2 33
16,5 2,4708
8,2130 9,5890
5000 49033,55
39 19,5
2,7454 9,7063
11,0823 5500
53936,91 44
22 3,0199
10,9507 12,3267
6000 58840,26
50 25
3,2944 12,4440
13,8200 6500
63743,62 57
28,5 3,5690
14,1862 15,5622
7000 68646,97
61 30,5
3,8435 15,1817
16,5577 7500
73550,33 66
33 4,1181
16,4261 17,8021
8000 78453,68
72 36
4,3926 17,9194
19,2954 8500
83357,04 78
39 4,6671
19,4126 20,7886
9000 88260,39
84 42
4,9417 20,9059
22,2819 9500
93163,75 91
45,5 5,2162
22,6481 24,0241
10000 98067,1
98 49
5,4907 24,3902
25,7662 10500 102970,5
105 52,5
5,7653 26,1324
27,5084 11000 107873,8
111 55,5
6,0398 27,6257
29,0017 11500 112777,2
119 59,5
6,3143 29,6167
30,9927 12000 117680,5
127 63,5
6,5889 31,6078
32,9838 12500 122583,9
133 66,5
6,8634 33,1010
34,4770 13000 127487,2
141 70,5
7,1380 35,0921
36,4681 13500 132390,6
147 73,5
7,4125 36,5854
37,9614
Jl. Babarsari No.44 Yogyakarta 55281 Indonesia KotakPos 1086 Telp.+62-274-487711 hunting Fax. +62-274-487748
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D. Hasil Pengujian - 94
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