Study on the design indexes of three dimensional geomat

XIAO Heng-lin; WANG Zhao; ZHANG Jin-feng

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Study on the design indexes of three dimensional geomat

更新时间：2026-06-25

- Study on the design indexes of three dimensional geomat
- Vol. 25, Issue 11期　刊出日, (2004)
- 作者机构：
  
  武汉大学土木建筑工程学院,湖北,武汉,430072
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU472
- Online First：25 July 2014，
  
  Published：2004
- 稿件说明：
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XIAO Heng-lin, WANG Zhao, ZHANG Jin-feng. Study on the design indexes of three dimensional geomat[J]. 2004, 25(11期　刊出日).
DOI：

XIAO Heng-lin, WANG Zhao, ZHANG Jin-feng. Study on the design indexes of three dimensional geomat[J]. 2004, 25(11期　刊出日). DOI：

摘要

三维土工网垫作为一种新型的坡面防护植草材料，在土木工程各领域得到广泛地应用。然而三维网垫的选择研究却远远落后于应用。不同强度、厚度、开口尺寸的网垫产品的抗冲刷与植被性能是不一样的。首先，从水力学、土力学、水文学及工程力学等方面推导了网垫强度公式，进而，从网垫厚度测量及网垫厚度对长草的影响得出网垫的较优厚度，最后，通过冲刷模型试验得到了合理的网垫开口尺寸，在一定程度上解决了三维网垫设计指标的选择问题。

Abstract

Three dimensional geomat

as a new kind of geosynthetics for slope protection and planting

has been widely used in many fields of civil engineering. However

there are many problems in the application of geomat

particularly the choice of products lags behind the application in the engineering practice by far. The products with different strengths

thicknesses and porosities have different performance of erosion-resisting and vegetation protection. In this paper

first

based on the knowledge of hydraulics

soil mechanics

hydrology and engineering mechanics

strength design formula of geomat is deduced. Further more

by analyzing the thickness measurement and the effect of thickness on planting

satisfactory thickness of geomat is obtained. At last

through the erosion model test

appropriate porosity of geomat is found. So the problem of design indexes of geomat is solved in a way.

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