钻芯法检测混凝土厚度、强度PPT.ppt

dFcorcuf,2,4dFfcorcu221ddd抗压强度尺寸修正系数长度与直径比，L/d修正系数说 明2.001.00当L/d为表列中间值时，修正系数可用插入法求得1.750.981.500.961.250.931.000.87表表T0554-3 T0554-3 圆柱体和立方体试件强度等级关系表圆柱体和立方体试件强度等级关系表28d抗压强度混凝土强度等级圆柱体150300立方体150150150C2/2.52.0 2.5 C4/54.0 5.0 C6/7.56.0 7.5 C8/108.0 10.0 C10/12.510.0 12.5 C12/1512.0 15.0 C16/2016.0 20.0 C20/2520.0 25.0 C25/3025.0 30.0 C30/3530.0 35.0 C35/4035.0 40.0 C40/4540.0 45.0 C45/5045.0 50.0 C50/5550.0 55.0 542.2cormcorcuecuSkff1,1,cormcorcuecuSkff2,1,nffniicorcumcorcu1,112,nffSnimcorcuicorcucormcorcuf,icorcuf,1,ecuf2,ecuf2,1kkcorS1,ecuf2,ecuf1,ecuf2,ecufmcorcuf,corecuecuSffk1,2,1,ecuf试件数nk1（0.10）k2（0.05）试件数nk1（0.10）k2（0.05）151.2222.566371.3602.149161.2342.524381.3632.141171.2442.486391.3662.133181.2542.453401.3692.125191.2632.423411.3722.118201.2712.396421.3752.111211.2792.371431.3782.105221.2862.349441.3812.098231.2932.328451.3832.092241.3002.309461.3862.086251.3062.292471.3892.081261.3112.275481.3912.075271.3172.260491.3932.070281.3222.246501.3962.065291.3272.232601.4152.022301.3322.220701.4311.990311.3362.208801.4441.964321.3412.197901.4541.944331.3452.1861001.4631.927341.3492.1761101.4711.912351.3522.1671201.4781.899361.3562.158mcorcuf,corSn1k2k1,ecuf2,ecufkncorSkncorSkncorSkmcorcuf,kcorSnkcorSniiiTTT01iTiT1iT0SntaLLSatnL