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1、PHC管桩规格及性能参数参考（符合国家最新版图集10G409）外径(mm) 壁厚(mm) 单节桩长(m)强度等级型号预应力钢筋螺旋规格有效预压应力(MPa)开裂弯矩(KN.m) 极限弯矩( KN.m)管桩桩身结构对应的单桩竖向承载力最大特征值Ra(KN)竖向承载力设计值Rp(KN)理论重量(kg/m)30070512C80A67.1b44.025379001271132AB69.06.03050B89.08.03462C810.710.0397940095514C80A79.0b44.0548116502288237AB710.76.064106B1010.78.074132C1310.710
2、.088176500100515C80A119.0b54.010315523003158327AB1110.76.0125210B1112.68.0147265C1312.610.0167334500125515C80A129.0b54.011116727003701383AB1210.76.0136226B1212.68.0160285C1512.610.0180360600110515C80A149.0b54.016725026004255440AB1410.76.0206346B1412.68.0245441C1712.610.0285569600130515C80A169.0b54.018027030504824499AB1610.76.0223374B1612.68.0265477C2012.610.0307615800110515C80A1510.7b64.039258944005992620AB1512.66.0471771B3010.78.0540971C3012.610.06381275