Ultimate Capacity of Drilled Displacement Piles: Static Analysis and CPT-Based Methods

被引：0
|
作者：
Rad, S. H. [1 ]
Ghareh, S. [2 ]
Eslami, A. [3 ]
Ganjian, N. [1 ]
机构：
[1] Islamic Azad Univ, Dept Civil Engn, Sci & Res Branch, Tehran, Iran
[2] Payame Noor Univ, Dept Civil Engn, Tehran, Iran
[3] Amirkabir Univ Technol, Dept Civil & Environm Engn, AUT Tehran Polytech, Tehran, Iran
来源：
SOIL MECHANICS AND FOUNDATION ENGINEERING | 2023年 / 60卷 / 1期
关键词：
D O I：
10.1007/s11204-023-09860-9
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
Since the increasing use of drilled displacement piles in new constructions, estimation of their axial capacity has found great importance. This paper aims to analyze different predictive methods in projecting the ultimate load carrying capacity of drilled displacement piles. In this regard, two common approaches to determining the axial pile capacity based on static analysis and CPT-based methods are presented, compared, and evaluated. Also, a database is compiled and presented consisting of 69 drilled displacements pile load tests. Four different criteria were selected to evaluate the ratio of the predicted to measured pile capacities. To Compare the prediction of the pile's bearing capacity, estimation approaches, as well as their accuracy plus efficiency evaluation, the Rank Index (RI) was utilized. Based on this evaluation, method A, method B, and the American Petroleum Institute (API) method showed the best performance in predicting the ultimate load bearing capacity of drilled displacement piles.
引用
收藏
页码：29 / 35
页数：7
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