基樁載重試驗承載力判釋方法之探討與建議

A Study on the Methods for Interpreting Bearing Capacity from the Result of a Pile Load Test

黃俊鴻(Jin-Hung Hwang) ； 楊志文(Chih-Wen Yang)

《地工技術》 80期 (2000/08) Pp. 5-16

https://doi.org/10.30140/SG.200008.0001

摘要

本文對基樁載重試驗之承載力判釋方法進行分類，並提出以判釋方法的物理意義、一致性、簡單性、適用性、實務性與座標尺度之影響等六項評選準則，對各種承載力判釋方法進行權重評分，結果顯示極限承載力判釋法以Terzaghi法為最佳，降伏承載力判釋法則以P-S拐點法為最佳。建議將Terzaghi判釋法訂為基樁垂直載重試驗極限承載力之標準判釋法，以統一極限承載力之定義，方便試樁工程經驗之累積。

關鍵字

基樁載重試驗 ； 極限承載力 ； 判釋方法

並列摘要

This paper classifies the methods for interpreting bearing capacity from the result of a pile load test. Six criteria, including. (1) physical meaning, (2) consistency, (3) simplicity, (4) applicability, (5) practicability and (6) effect of coordinate scale, are used to evaluate the methods. It is found that the Terzaghi and the maximum curvature methods provide the best results in interpreting the ultimate and yield bearing capacities, respectively. To unify the definition of ultimate bearing capacity and accumulate the experiences of pile load tests, we suggest the Terzaghi method be the standard interpretation method in local codes.

並列關鍵字

pile load test ； ultimate bearing capacity ； interpretation method