Centrifuge model tests on influence of facing on reinforced soil retaining walls

XU Peng; JIANG Guan-lu; WANG Xun; HUANG Hao-wei; HUANG Zhe; WANG Zhi-meng

doi:10.16285/j.rsm.2017.2105

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Centrifuge model tests on influence of facing on reinforced soil retaining walls

更新时间：2026-06-25

- Centrifuge model tests on influence of facing on reinforced soil retaining walls
- Vol. 40, Issue 4, Pages: 1427-1432(2019)
- 作者机构：
  
  1. 西南交通大学土木工程学院
  2. 西南交通大学高速铁路线路工程教育部重点试验室
  3. 中铁二院工程集团有限责任公司
- 作者简介：
- 基金信息：
- DOI：10.16285/j.rsm.2017.2105
  CLC： TU476.4
- Published：2019
- 稿件说明：
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[1]徐鹏,蒋关鲁,王珣,黄昊威,黄哲,王智猛.面板对加筋土挡墙影响的离心模型试验研究[J].岩土力学,2019,40(04):1427-1432.

XU Peng, JIANG Guan-lu, WANG Xun, et al. Centrifuge model tests on influence of facing on reinforced soil retaining walls[J]. 2019, 40(4): 1427-1432.
[1]徐鹏,蒋关鲁,王珣,黄昊威,黄哲,王智猛.面板对加筋土挡墙影响的离心模型试验研究[J].岩土力学,2019,40(04):1427-1432. DOI： 10.16285/j.rsm.2017.2105.

XU Peng, JIANG Guan-lu, WANG Xun, et al. Centrifuge model tests on influence of facing on reinforced soil retaining walls[J]. 2019, 40(4): 1427-1432. DOI： 10.16285/j.rsm.2017.2105.

摘要

加筋土挡墙因其特有的景观性能、协调变形性能而日益受到设计者青睐。面板作为加筋土挡墙的组成部分

对墙体的承载能力影响显著。针对现有设计规范无法考虑面板形式对结构自身力学变形特性的影响

设计并开展了整体式与分块式面板的离心模型试验。数据测试分析显示:整体式面板加载期的位移小于分块式面板位移;由于分块式面板位移较大

所以其水平土压力小于整体式面板土压力;加筋土挡墙面板底部存在应力集中现象;分块式面板筋-土界面的摩擦系数发挥值大于整体式面板数值

但两者均小于设计规范建议值;由于模型筋材长度较长并且连接件的存在

导致原型设计较为保守。

Abstract

Reinforced soil retaining walls are increasingly favored by designers in civil engineering because of its unique landscape performance and good seismic-resistance performance. As an integral part of the reinforced soil retaining walls

facing has a significant influence on its bearing capacity. In view of the fact that the existing design codes cannot consider the effect of facing form on the mechanical deformation characteristics of the structure itself

centrifuge model tests were carried out on walls with full-height panel facing and blocked facing. The following results are obtained: the displacement of the full-height panel facing is less than that of the blocked facing during the loading period. Since the larger displacement for the model wall with blocked facing

its horizontal earth pressure is smaller; stress concentration occurs at the bottom of the facing of the reinforced soil retaining wall. It is found that the soil-reinforcement friction coefficient for the reinforced soil retaining wall with blocked facing is larger than that in the case of full-height panel facing

while both of them are less than the recommended values from the design codes. The model walls are conservative due to the larger reinforcement length and the use of the anchor connector.

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