Study on static penetration mechanism to test bridge abutment back-sand fill

LIU Yang-shao; TIAN Qing-yan; LV Jian-bing

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Study on static penetration mechanism to test bridge abutment back-sand fill

更新时间：2026-06-25

- Study on static penetration mechanism to test bridge abutment back-sand fill
- Vol. 27, Issue 1, (2006)
- 作者机构：
  
  广东交通集团检测中心,广州,510800
- 作者简介：
- 基金信息：
- DOI：
  CLC： U442
- Online First：31 October 2013，
  
  Published：2006
- 稿件说明：
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LIU Yang-shao, TIAN Qing-yan, LV Jian-bing. Study on static penetration mechanism to test bridge abutment back-sand fill[J]. 2006, 27(1).
DOI：

LIU Yang-shao, TIAN Qing-yan, LV Jian-bing. Study on static penetration mechanism to test bridge abutment back-sand fill[J]. 2006, 27(1). DOI：

摘要

在模拟公路桥、涵台背回填中粗砂密实度检测的室内模型试验基础上，进行了三维有限元数值模拟分析。分析过程中，采用拉德(P.V.Lade)模型及刚—柔接触模型，模拟了静力触探试验过程，获得了探头周围砂的应力、应变和位移场，验证了室内试验结果的正确性，揭示了静力触探在回填中粗砂中的作用机理。研究表明：静力触探可以用于桥、涵台背回填中粗砂密实度检测。

Abstract

Based on the laboratory tests to test the relative density of medium-course sand in bridge and culvert backfill

a three-dimensional numerical calculation is made. During calculation

P.V. Lade model and rigid-flexible attachment model are applied to simulate the whole test process. After that

the stresses

strains and displacements around the test cone are disclosed; and the laboratory results are well proved; the mechanism of static penetration in backfill sand is well obtained. It shows that the static penetration can be applied to test the density of medium-coarse-grained sand in bridge-culvert backfill.

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