Chunan Tang   

Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates

Main positions: President of international exchange committee of the Chinese Society of Rock Mechanics and Engineering CSRME
Other Post: Vice President of the Chinese Society of Rock Mechanics and Engineering CSRME

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Language:English

Paper Publications

Title of Paper:金山店铁矿采场巷道施工三维数值反馈分析

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Date of Publication:2008-08-15

Journal:地下空间与工程学报

Included Journals:PKU、ISTIC

Volume:4

Issue:4

Page Number:625-629

ISSN No.:1673-0836

Key Words:岔口巷道;数值模拟;差异进化;反馈分析

Abstract:金山店铁矿是国内大型地下金属矿山之一,随着开采深度的增加以及大结构参数的采用,该矿山进路巷道稳定性成为一个值得关注的重要问题.引入一种具有全局优化性能的差异进化算法,结合正交设计、均匀设计和三维数值试验,建立了地下工程的差异进化反馈分析方法.基于该方法根据现场监测信息识别了金山店铁矿巷道围岩的岩石力学参数,并对金山店铁矿的岔口联巷稳定性进行了计算.通过对开挖过程围岩的位移场、应力场和塑性区的结果分析,揭示了岔口处围岩地压的变化规律和导致进路破坏的原因,并通过数值模拟计算分析对支护方案进行了评价.

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