Concrete Hammer Test Data - Alpha 650X Concrete Hammer Test - 18 Balok Lantai 2 + 9 titik Pelat Lt 2 - 26 Sept 2013

Sheet1MINIMUM EXISTING CONCRETE AGE = 28 DAYSInstrument Type: CONCRETE HAMMER TEST a-650X, KAMEKURA SEIKI CO. LTD* Number of Readings = 9X per 300 mm2Standard: ASTM C-805* UMUR BETON > 28 DAYS* RN Reading different up to 6 counted as outlier1. RC Beam X2 Pan 2, 25x40 cm, a = 90o2. RC Beam Y2 Pan 1, 25x40 cm, a = 90oCorrelation Chart for R and N/mm2 [Cylinder Compressive Strength]34.032.0Ra = 0oa = 90oKxxxVariasi Kekuatan 15-20%Pelat 129.036.0208.35-102MPa27.040.0219.37-115Cylinder StrengthCube Strength29.039.02210.8-132121530.034.02311.8-1451620Pelat 234.032.02412.7-156202532.034.02513.7-1682530Pelat 534.030.02615.5-190303732.034.02716.210.31993545Pelat 331.234.62817.711.821750602918.613.5228Equivalent Factor = 0.803. RC Beam X2 Pan 3, 25x40 cm, a = 90o4. RC Beam Y3 Pan 3, 25x40 cm, a = 90o3020.614.2253Pelat 439.038.03121.615.7265Korelasi Data RN dan Estimated Compressive Strength(jauh dibawah spec.)42.040.03223.316.7286No. SampelRNfc' (MPa)K (kg/cm2)35.040.03324.518.6300131.216.0019638.040.03425.519.6313234.620.6525339.039.03527.521.4337337.124.0529532.039.03628.422.6348439.628.3534830.042.03730.424.0373528.318.00221a = 0040.039.03831.425.5385635.822.4027539.039.03933.327.5408732.717.3021237.139.64034.328.9421830.314.70180= titik pengambilan data kuat tekan beton PELAT4136.330.4445932.918.45226= titik pengambian data kuat tekan beton BALOK5. RC Beam X2 Pan 4, 25x40 cm, a = 0o6. RC Beam Y5 Pan 4, 25x40 cm, a = 90o4237.331.94571035.021.4026229.032.04339.233.34811129.218.80231a = 00Denah Pelat, Kolom dan Balok Lantai 230.033.04441.235.35051230.421.00258VARIASI NILAI UJI KUAT TEKAN BETON SANGAT BESAR32.033.04542.236.85171329.613.9017025.040.04644.138.25411428.318.00221a = 0029.035.04745.640.25591533.318.9023230.032.04847.142.25781629.118.70229a = 0025.040.04949.043.66011735.321.8026725.038.05050.545.16191828.723.00282a = 000.02430.039.05152.047.163828.335.85253.949.06615355.451.06797. RC Beam X2 Pan 1, 25x40 cm, a = 90o8. RC Beam Y2 Pan 1, 25x40 cm, a = 90o5456.952.069830.029.05558.853.972135.026.034.032.0Nilai R rata-rata untuk 18 Balok Beton Bertulang=32.3035.029.0Pembulatan Nilai R=32.334.032.0Cylinder Compressive Strength (MPa)=19.7MPa32.030.0Cubic Compressive Strength (kg/cm2)=242kg/cm232.034.0AVERAGE REBOUND NUMBER (Mean RN)=32.3030.032.0VARIANCE (SD2)=11.25K24232.029.0STANDARD DEVIATION (SD) REBOUND NUMBER=3.2632.730.3STANDARD DEVIATION (SD) ESTIMATED COMPRES.=3.519. RC Beam X3 Pan 7, 25x40 cm, a = 90o10. RC Beam Y2 Pan 7, 25x40 cm, a = 90o21. RC Slab Panel 3, t=12 cm, a = 90o22. RC Slab Panel 4, t=12 cm, a = 90o23. RC Slab Panel 5, t=12 cm, a = 90o36.030.030.031.030.030.034.032.031.035.032.032.032.032.036.034.040.031.031.032.030.041.034.031.034.032.032.030.033.034.032.036.030.030.036.035.036.030.034.034.035.034.030.034.035.032.935.031.031.934.019. RC Slab Panel 1, t=12 cm cm, a = 90o20. RC Slab Panel 2, t=12 cm, a = 90oNilai R rata-rata untuk 9 titik Pelat Beton Bertulang=34.1139.038.0Pembulatan Nilai R=34.134.036.0Cylinder Compressive Strength (MPa)=19.9MPa39.039.0Cubic Compressive Strength (kg/cm2)=244kg/cm239.035.0AVERAGE REBOUND NUMBER (Mean RN)=34.1135.035.0VARIANCE (SD2)=4.81K24439.036.0STANDARD DEVIATION (SD) REBOUND NUMBER=2.0740.034.0STANDARD DEVIATION (SD) ESTIMATED COMPRESSIVE STRENGTH. [fc']=3.1039.035.036.034.037.835.811. RC Beam X5 Pan 4, 25x40 cm, a = 0o12. RC Beam Y1 Pan 4, 25x40 cm, a = 0o17. RC Beam X3 Pan 7, 25x40 cm, a = 90o18. RC Beam Y2 Pan 7, 25x40 cm, a = 0o30.032.029.030.0DATA PELAT29.030.039.028.01937.825.1530828.030.040.027.02035.822.2027227.031.031.029.02131.015.7019327.030.036.030.02231.916.5020233.033.032.028.02334.019.6024030.029.035.027.02434.420.3024930.030.036.029.02532.617.7021729.029.040.030.02636.222.9028129.230.435.328.72733.319.0023313. RC Beam X5 Pan 8, 25x40 cm, a = 90o14. RC Beam Y2 Pan 8, 25x40 cm, a = 0o24. RC Slab Panel 6, t=12 cm cm, a = 90o25. RC Slab Panel 7, t=12 cm, a = 90o29.029.034.029.032.028.036.036.032.028.035.036.029.029.033.036.029.027.034.034.028.030.030.032.029.029.039.029.029.028.035.032.029.027.034.029.029.628.334.432.615. RC Beam X4 Pan 8, 25x40 cm, a = 90o16. RC Beam Y2 Pan 7, 25x40 cm, a = 0o26. RC Slab Panel 8, t=12 cm cm, a = 90o27. RC Slab Panel 9, t=12 cm, a = 90o30.031.032.039.034.028.036.034.035.031.035.032.042.029.040.031.035.028.040.030.032.028.034.039.030.028.034.029.030.029.036.031.032.030.039.035.033.329.136.233.3

&L&"-,Bold"&12&UHASIL PENGUJIAN CONCRETE HAMMER TEST - BALOK & PELAT LANTAI

&C&"-,Bold"&12&UGEDUNG KANTOR BNN KABUPATEN POSO&R&"-,Bold"&12 &U26 SEPTEMBER 2013