Study of optimal design of the Shitanba slope at Hu-Rong West expressway

LI Jing; LI Yu-lei; YAN E-chuan

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Study of optimal design of the Shitanba slope at Hu-Rong West expressway

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- Study of optimal design of the Shitanba slope at Hu-Rong West expressway
- Vol. 29, Issue S1, (2008)
- 作者机构：
  
  中国地质大学工程学院,武汉,430074
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU443
- Online First：15 April 2016，
  
  Published：2008
- 稿件说明：
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LI Jing, LI Yu-lei, YAN E-chuan. Study of optimal design of the Shitanba slope at Hu-Rong West expressway[J]. 2008, 29(S1).
DOI：

LI Jing, LI Yu-lei, YAN E-chuan. Study of optimal design of the Shitanba slope at Hu-Rong West expressway[J]. 2008, 29(S1). DOI：

摘要

山区高速公路建设中会遇到大量的边坡开挖，其坡比对工程的设计与投资影响较大。因此研究边坡坡比的优化问题，具有显著的经济效益和社会效益。为了保证边坡开挖工程既安全可靠又经济合理，在分析边坡工程地质条件的基础上，采用剩余推力法计算天然斜坡的稳定性。并根据规范从经济效益考虑，确定在开挖与支护总费用最低时的边坡开挖坡比为最优坡比。实例分析表明，施谭坝边坡工程的最优坡比为1: 0.65，该稳定性分析方法及最优坡比优化设计方案具有实用性和合理性。

Abstract

With the development of expressways

the slope excavation is increasingly manifold. The slope ratio has influence on the design and investment of project. Hence

the study of optimal slope ratio will make a lot of benefit of economy and society. In order to make sure the excavation engineering safe and economical

on the basis of engineering geological condition analysis

the residual thrust method is used to calculate the stability of nature slope. Then according to the economic analysis

the excavation slope ratio which made the excavation and timbering charge lowest is the optimal slope ratio. The example analysis showed that the optimal ratio of Shitanba Slope was 1:0.65 and the stability analysis and optimal design scheme are practical and reasonable.

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Related Institution

College of Architecture and Civil Engineering, Xi'an University of Science & Technology

Institute of Rock and Soil Mechanics, Chinese Academy of Sciences

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Tianxing Iron Mine, Hebei Iron Steel Group Mining Co. Ltd.

State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences

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