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HASIL PENGUJIAN CONCRETE HAMMER TEST - BALOK PELAT LANTAI GEDUNG
KANTOR BNN KABUPATEN POSO 26 SEPTEMBER 2013MINIMUM EXISTING
CONCRETE AGE = 28 DAYS Instrument Type: CONCRETE HAMMER TEST
a-650X, KAMEKURA SEIKI CO. LTD
* Number of Readings = 9X per 300 mm2 Standard: ASTM C-805 *
UMUR BETON > 28 DAYS
* RN Reading different up to 6 counted as outlier
1. RC Beam X2 Pan 2, 25x40 cm, a = 90o
2. RC Beam Y2 Pan 1, 25x40 cm, a = 90o Correlation Chart for R
and N/mm2 [Cylinder Compressive Strength]
34.0 32.0 R a = 0o a = 90o Kxxx Variasi Kekuatan 15-20%
29.0 36.0 20 8.35 - 102 MPa
27.0 40.0 21 9.37 - 115 Cylinder StrengthCube Strength
29.0 39.0 22 10.8 - 132 12 15
30.0 34.0 23 11.8 - 145 16 20
34.0 32.0 24 12.7 - 156 20 25
32.0 34.0 25 13.7 - 168 25 30
34.0 30.0 26 15.5 - 190 30 37
32.0 34.0 27 16.2 10.3 199 35 45
31.2 34.6 28 17.7 11.8 217 50 60
29 18.6 13.5 228 Equivalent Factor = 0.80
3. RC Beam X2 Pan 3, 25x40 cm, a = 90o 4. RC Beam Y3 Pan 3,
25x40 cm, a = 90o 30 20.6 14.2 253
39.0 38.0 31 21.6 15.7 265 Korelasi Data RN dan Estimated
Compressive Strength
42.0 40.0 32 23.3 16.7 286 No. Sampel RN fc' (MPa) K (kg/cm 2
)
35.0 40.0 33 24.5 18.6 300 1 31.2 16.00 196
38.0 40.0 34 25.5 19.6 313 2 34.6 20.65 253
39.0 39.0 35 27.5 21.4 337 3 37.1 24.05 295
32.0 39.0 36 28.4 22.6 348 4 39.6 28.35 348
30.0 42.0 37 30.4 24.0 373 5 28.3 18.00 221 a = 00
40.0 39.0 38 31.4 25.5 385 6 35.8 22.40 275
39.0 39.0 39 33.3 27.5 408 7 32.7 17.30 212
37.1 39.6 40 34.3 28.9 421 8 30.3 14.70 180
41 36.3 30.4 445 9 32.9 18.45 226
5. RC Beam X2 Pan 4, 25x40 cm, a = 0o
6. RC Beam Y5 Pan 4, 25x40 cm, a = 90o
42 37.3 31.9 457 10 35.0 21.40 262
29.0 32.0 43 39.2 33.3 481 11 29.2 18.80 231 a = 00
30.0 33.0 44 41.2 35.3 505 12 30.4 21.00 258
32.0 33.0 45 42.2 36.8 517 13 29.6 13.90 170
25.0 40.0 46 44.1 38.2 541 14 28.3 18.00 221 a = 00
29.0 35.0 47 45.6 40.2 559 15 33.3 18.90 232
30.0 32.0 48 47.1 42.2 578 16 29.1 18.70 229 a = 00
25.0 40.0 49 49.0 43.6 601 17 35.3 21.80 267
25.0 38.0 50 50.5 45.1 619 18 28.7 23.00 282 a = 00
30.0 39.0 51 52.0 47.1 638
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HASIL PENGUJIAN CONCRETE HAMMER TEST - BALOK PELAT LANTAI GEDUNG
KANTOR BNN KABUPATEN POSO 26 SEPTEMBER 201328.3 35.8 52 53.9 49.0
661
53 55.4 51.0 679
7. RC Beam X2 Pan 1, 25x40 cm, a = 90o 8. RC Beam Y2 Pan 1,
25x40 cm, a = 90
o54 56.9 52.0 698
30.0 29.0 55 58.8 53.9 72135.0 26.0
34.0 32.0 Nilai R rata-rata untuk 18 Balok Beton Bertulang =
32.30
35.0 29.0 Pembulatan Nilai R = 32.3
34.0 32.0 Cylinder Compressive Strength (MPa) = 19.7 MPa
32.0 30.0 Cubic Compressive Strength (kg/cm2) = 242 kg/cm2
32.0 34.0 AVERAGE REBOUND NUMBER (Mean RN) = 32.30
30.0 32.0 VARIANCE (SD2) = 11.25 K242
32.0 29.0 STANDARD DEVIATION (SD) REBOUND NUMBER = 3.26
32.7 30.3 STANDARD DEVIATION (SD) ESTIMATED COMPRES. = 3.51
9. RC Beam X3 Pan 7, 25x40 cm, a = 90o 10. RC Beam Y2 Pan 7,
25x40 cm, a = 90
o 21. RC Slab Panel 3, t=12 cm, a = 90o 22. RC Slab Panel 4,
t=12 cm, a = 90o23. RC Slab Panel 5, t=12 cm, a = 90o
36.0 30.0 30.0 31.0 30.0
30.0 34.0 32.0 31.0 35.0
32.0 32.0 32.0 32.0 36.0
34.0 40.0 31.0 31.0 32.0
30.0 41.0 34.0 31.0 34.0
32.0 32.0 30.0 33.0 34.0
32.0 36.0 30.0 30.0 36.0
35.0 36.0 30.0 34.0 34.0
35.0 34.0 30.0 34.0 35.0
32.9 35.0 31.0 31.9 34.0
19. RC Slab Panel 1, t=12 cm cm, a = 90o 20. RC Slab Panel 2,
t=12 cm, a = 90o Nilai R rata-rata untuk 9 titik Pelat Beton
Bertulang = 34.11
39.0 38.0 Pembulatan Nilai R = 34.1
34.0 36.0 Cylinder Compressive Strength (MPa) = 19.9 MPa
39.0 39.0 Cubic Compressive Strength (kg/cm2) = 244 kg/cm2
39.0 35.0 AVERAGE REBOUND NUMBER (Mean RN) = 34.11
35.0 35.0 VARIANCE (SD2) = 4.81 K244
39.0 36.0 STANDARD DEVIATION (SD) REBOUND NUMBER = 2.07
40.0 34.0 STANDARD DEVIATION (SD) ESTIMATED COMPRESSIVE
STRENGTH. [fc']= 3.1039.0 35.0
36.0 34.0
37.8 35.8
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HASIL PENGUJIAN CONCRETE HAMMER TEST - BALOK PELAT LANTAI GEDUNG
KANTOR BNN KABUPATEN POSO 26 SEPTEMBER 2013
11. RC Beam X5 Pan 4, 25x40 cm, a = 0o 12. RC Beam Y1 Pan 4,
25x40 cm, a = 0
o17. RC Beam X3 Pan 7, 25x40 cm, a = 90o 18. RC Beam Y2 Pan 7,
25x40 cm, a = 0
o
30.0 32.0 29.0 30.0 DATA PELAT
29.0 30.0 39.0 28.0 19 37.8 25.15 308
28.0 30.0 40.0 27.0 20 35.8 22.20 272
27.0 31.0 31.0 29.0 21 31.0 15.70 193
27.0 30.0 36.0 30.0 22 31.9 16.50 202
33.0 33.0 32.0 28.0 23 34.0 19.60 240
30.0 29.0 35.0 27.0 24 34.4 20.30 249
30.0 30.0 36.0 29.0 25 32.6 17.70 217
29.0 29.0 40.0 30.0 26 36.2 22.90 281
29.2 30.4 35.3 28.7 27 33.3 19.00 233
13. RC Beam X5 Pan 8, 25x40 cm, a = 90o
14. RC Beam Y2 Pan 8, 25x40 cm, a = 0o24. RC Slab Panel 6, t=12
cm cm, a = 90o 25. RC Slab Panel 7, t=12 cm, a = 90o
29.0 29.0 34.0 29.0
32.0 28.0 36.0 36.0
32.0 28.0 35.0 36.0
29.0 29.0 33.0 36.0
29.0 27.0 34.0 34.0
28.0 30.0 30.0 32.0
29.0 29.0 39.0 29.0
29.0 28.0 35.0 32.0
29.0 27.0 34.0 29.0
29.6 28.3 34.4 32.6
15. RC Beam X4 Pan 8, 25x40 cm, a = 90o 16. RC Beam Y2 Pan 7,
25x40 cm, a = 0
o26. RC Slab Panel 8, t=12 cm cm, a = 90o 27. RC Slab Panel 9,
t=12 cm, a = 90o
30.0 31.0 32.0 39.0
34.0 28.0 36.0 34.0
35.0 31.0 35.0 32.0
42.0 29.0 40.0 31.0
35.0 28.0 40.0 30.0
32.0 28.0 34.0 39.0
30.0 28.0 34.0 29.0
30.0 29.0 36.0 31.0
32.0 30.0 39.0 35.0
33.3 29.1 36.2 33.3
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HASIL PENGUJIAN CONCRETE HAMMER TEST - BALOK PELAT LANTAI GEDUNG
KANTOR BNN KABUPATEN POSO 26 SEPTEMBER 2013
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HASIL PENGUJIAN CONCRETE HAMMER TEST - BALOK PELAT LANTAI GEDUNG
KANTOR BNN KABUPATEN POSO 26 SEPTEMBER 2013
Pelat 1
Pelat 2
Pelat 5
Pelat 3
Pelat 4
(jauh dibawah spec.)
= titik pengambilan data kuat tekan beton PELAT
= titik pengambian data kuat tekan beton BALOK
Denah Pelat, Kolom dan Balok Lantai 2VARIASI
NILAI UJI
0.024
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HASIL PENGUJIAN CONCRETE HAMMER TEST - BALOK PELAT LANTAI GEDUNG
KANTOR BNN KABUPATEN POSO 26 SEPTEMBER 2013
23. RC Slab Panel 5, t=12 cm, a = 90o
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HASIL PENGUJIAN CONCRETE HAMMER TEST - BALOK PELAT LANTAI GEDUNG
KANTOR BNN KABUPATEN POSO 26 SEPTEMBER 2013
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HASIL PENGUJIAN CONCRETE HAMMER TEST - BALOK PELAT LANTAI GEDUNG
KANTOR BNN KABUPATEN POSO 26 SEPTEMBER 2013
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HASIL PENGUJIAN CONCRETE HAMMER TEST - BALOK PELAT LANTAI GEDUNG
KANTOR BNN KABUPATEN POSO 26 SEPTEMBER 2013
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HASIL PENGUJIAN CONCRETE HAMMER TEST - BALOK PELAT LANTAI GEDUNG
KANTOR BNN KABUPATEN POSO 26 SEPTEMBER 2013
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HASIL PENGUJIAN CONCRETE HAMMER TEST - BALOK PELAT LANTAI GEDUNG
KANTOR BNN KABUPATEN POSO 26 SEPTEMBER 2013
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HASIL PENGUJIAN CONCRETE HAMMER TEST - BALOK PELAT LANTAI GEDUNG
KANTOR BNN KABUPATEN POSO 26 SEPTEMBER 2013
![Calibration and Reliability of the Rebound (Schmidt) Hammer …...Rebound Hammer might provide some information on concrete type it is used on [11 and 12]. Unluckily, these conclusions](https://static.documents.pub/doc/80x56/60b3dd2dce280748d234fa48/calibration-and-reliability-of-the-rebound-schmidt-hammer-rebound-hammer-might.jpg)
