Characteristics of the Lateral Resistance of Pile according to the Lateral Loading Rate in Dense Sand

被引：0

作者：

Kang, Gichun ^{[1
]}

Park, Hyejeong ^{[2
]}

Yun, Seong-kyu ^{[3
]}

Kim, Jiseong ^{[4
]}

机构：

[1] Gyeongsang Natl Univ, Coll Engn, Dept Civil Engn, 501 Jinjudae Ro, Jinju 52828, Gyeongsnagnam D, South Korea

[2] Gyeongsang Natl Univ, Coll Engn, Dept Civil Engn, 501 Jinjudae Ro, Jinju 52828, Gyeongsnagnam D, South Korea

[3] Gyeongsang Natl Univ, Engn Res Inst, 501 Jinjudae Ro, Jinju 52828, Gyeongsnagnam D, South Korea

[4] Vis Coll Jeonju, Dept Cadastre & Civil Engn, 235 Cheonjam Ro, Jeonju 55069, Jeollabuk Do, South Korea

来源：

JOURNAL OF THE KOREAN GEOSYNTHETIC SOCIETY | 2023年 / 22卷 / 03期

基金：

新加坡国家研究基金会;

关键词：

Lateral loading rate; Lateral resistance; Depth of the rotation point;

D O I：

10.12814/jkgss.2023.22.3.097

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

Recently, research on the lateral resistance of pile foundations has been actively conducted. In experimental studies on the lateral resistance of pile foundations, displacement control or load control methods are used. However, in the case of the displacement control method, the lateral resistance of the pile varies depending on the rate of the load applied to the pile. Therefore, this study seeks to determine the change in lateral resistance of pile foundations according to lateral loading rate through model experiments. The experimental results showed that the lateral resistance of the pile tended to decrease as the lateral loading rate applied to the pile head increased. In order to confirm this, a model experiment of the side change of the ground and pile according to the loading rate was additionally conducted. Through inverse analysis, the change in the depth of the rotation point according to the lateral loading rate was identified. Through the change in the lateral resistance of the pile foundation and the depth of the rotating point according to the lateral loading rate, it was proposed to test the loading rate within 1.5 mm/min during the lateral loading test of the pile.

引用

页码：97 / 103

页数：7

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