Numerical simulation of reinforcement of rockfill dam with geogrids

FENG Zhi-gang; ZHU Jun-gao

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Numerical simulation of reinforcement of rockfill dam with geogrids

更新时间：2026-06-25

- Numerical simulation of reinforcement of rockfill dam with geogrids
- Vol. 27, Issue S2, (2006)
- 作者机构：
  
  河海大学　岩土工程科学研究所,南京,210098
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU472
- Online First：16 December 2006，
  
  Published：2006
- 稿件说明：
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FENG Zhi-gang, ZHU Jun-gao. Numerical simulation of reinforcement of rockfill dam with geogrids[J]. 2006, 27(S2).
DOI：

FENG Zhi-gang, ZHU Jun-gao. Numerical simulation of reinforcement of rockfill dam with geogrids[J]. 2006, 27(S2). DOI：

摘要

运用复合材料法模拟土工格栅加筋单元，对格栅加筋堆石坝坝顶堆石进行了数值模拟。计算中，土石料采用非线性弹性模型模拟，并用拟静力法模拟地震动荷载。对无地震和有地震两种情况下的加筋效果及加筋层数和格栅模量对加筋效果的影响进行了分析研究，并对格栅加筋机理加以解释。数值模拟结果表明：格栅加筋有利于增加土石坝坝顶堆石的稳定性和抗震性能，随加筋层数和格栅模量的增加，加筋效果愈加显著。

Abstract

Based on the assumption that geogrid and its surrounding soils are a composite material

the effect of reinforcement of dam crest rockfill with geogrids is studied using nonlinear elastic finite element method. The influence of layer number and modulus of geogrids on effect of reinforcement is investigated. The results indicate that reinforcement is helpful in increasing stability and earthquake-resistant ability of dam crest rockfill. It also shows that effect of reinforcement becomes more evident with more layers and large modulus of geogrid.

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