试桩未达极限状态时桩的极限承载力预测  

Prediction of Ultimate Bearing Capacity of Non-destructive Test Piles

作　　者：谢耀峰[1] 吴芳银 王云球[1] 

机构地区：[1]河海大学交通与海洋工程学院,江苏南京210098 [2]南京第一建设事务所,江苏南京210003

出　　处：《水运工程》2002年第9期5-8,共4页Port & Waterway Engineering

摘　　要：试桩未加载到破坏荷载时 ,根据已有试桩实测荷载沉降数据 ,用P -S曲线延伸法与双曲线法可预测出桩的极限荷载。尤其是P -S曲线延伸法适应性较好。只要结合桩的P -S曲线形态统一考虑 ,必要时进行综合判定 ,预测结果是可靠有效的。When the fracture load was not reached for a trial pile, the ultimate load of the pile might be predicted according to the field-surveyed load settlement data of existing trial piles and by P-S curve extension method and hyperbola method, among which, the P-S curve extension method had better adaptability. Provided united consideration in combination with the P-S curve of a pile and necessary comprehensive judgement were conducted, the prediction result would be reliable and effective. That would be of great significance for economical, rational and safe application of pile foundation.

关 键 词：极限承载力 预测 双曲线法 P-S曲线延伸法 桩基工程 港口工程 

分 类 号：U655.544[交通运输工程—港口、海岸及近海工程]