Development of partial factor design method on bearing capacity of pile foundations for Japanese Specifications for Highway Bridges

被引：12

作者：

Nanazawa, Toshiaki ^{[1
]}

Kouno, Tetsuya ^{[2
]}

Sakashita, Gaku ^{[1
]}

Oshiro, Kazunori ^{[3
]}

机构：

[1] CAESAR, PWRI, Tsukuba, Ibaraki, Japan

[2] Univ Toyama, Grad Sch Sci & Engn Educ, Toyama, Japan

[3] Obayashi Corp, Tokyo, Japan

来源：

GEORISK-ASSESSMENT AND MANAGEMENT OF RISK FOR ENGINEERED SYSTEMS AND GEOHAZARDS | 2019年 / 13卷 / 03期

关键词：

Pile foundation; bearing capacity; reliability; partial factor design method;

D O I：

10.1080/17499518.2019.1612524

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

This paper shows the development of a partial factor design method on the bearing capacity of pile foundations for Japanese Specifications for Highway Bridges. Firstly, estimation design equations on the bearing capacities of pile foundations are improved by analysis of pile load test results and uncertainties in the bearing capacities are evaluated. Secondly, the reliabilities of pile foundations designed by the former specifications are evaluated based on reliability analysis considering the uncertainties in the bearing capacities and coefficients of subgrade reaction. Finally, a partial factor design method is developed based on the target reliability index obtained based on the conventional pile installation method by the pile installation methods. The factors are different for each pile installation method.

引用

页码：166 / 175

页数：10

共 11 条

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