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考虑支护作用影响的煤岩巷道变形非线性分析
Alternative TitleNonlinear analysis on roadway deformation considering supporting effect
吕祥锋; 潘一山; 李忠华
Source Publication山东科技大学学报(自然科学版)/JOURNAL OF SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY(NATURAL SCIENCE)
2012-04-20
Volume31Issue:2Pages:48-54
ISSN1672-3767
Abstract根据非线性动力学理论,利用FLAC3D数值软件,建立三维计算模型,对锚网锚杆、U型钢支护和吸能支护条件下的煤岩巷道冲击变形规律进行数值模拟,再现深埋巷道变形破坏过程,研究不同支护作用对巷道变形动力响应的影响。数值计算结果说明,锚网锚杆(主动支护)对提高围岩体强度作用明显,但在冲击载荷作用下巷道围岩应力大,变形量也大,破坏程度严重;U型钢支护(被动支护)可有效提高巷道支护强度,冲击作用后同样表现出抵抗能力较差,巷道整体变形较大;吸能支护对于抗缓冲和吸收冲击能作用明显,表现为冲击应力大幅度降低,巷道变形量减小,整体稳定性显著提高。
Keyword冲击地压 巷道 三维模型 动力分析
Subject Area岩体力学和土力学
URL查看原文
Language中文
Funding Organization国家重点基础研究发展计划(“973”计划)项目(2010CB226803);国家自然科学基金项目(51174107)
DepartmentLMFS工程地质体力学(LEM)
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/46464
Collection流固耦合系统力学重点实验室
Corresponding Author潘一山
Recommended Citation
GB/T 7714
吕祥锋,潘一山,李忠华. 考虑支护作用影响的煤岩巷道变形非线性分析[J]. 山东科技大学学报(自然科学版)/JOURNAL OF SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY(NATURAL SCIENCE),2012,31(2):48-54.
APA 吕祥锋,潘一山,&李忠华.(2012).考虑支护作用影响的煤岩巷道变形非线性分析.山东科技大学学报(自然科学版)/JOURNAL OF SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY(NATURAL SCIENCE),31(2),48-54.
MLA 吕祥锋,et al."考虑支护作用影响的煤岩巷道变形非线性分析".山东科技大学学报(自然科学版)/JOURNAL OF SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY(NATURAL SCIENCE) 31.2(2012):48-54.
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