锚杆支护焊接钢筋网力学性能研究Mechanical Characteristic of Steel Fabric Welded to Anchored Bolt
孙志勇;林健;
摘要(Abstract):
采用理论分析方法研究了焊接钢筋网受力和变形之间的关系,利用数值模拟方法分析了不同支护形式下钢筋网的承载和变形特征。给定25kN载荷,得到了不同边界约束条件下钢筋网的最大变形值,以期为锚杆支护金属网的选择和施工提供依据。
关键词(KeyWords): 焊接钢筋网;力学性能;支护形式;数值模拟
基金项目(Foundation): 国家科技支撑计划项目(2008AB3bB07);; 天地科技股份有限公司研发项目(TZ-GY-2010-KC-b)
作者(Author): 孙志勇;林健;
Email:
DOI: 10.13532/j.cnki.cn11-3677/td.2011.01.005
参考文献(References):
- [1]康红普,王金华,等.煤巷锚杆支护理论与成套技术[M].北京:煤炭工业出版社,2007.
- [2]林健,康红普.煤矿锚杆支护构件精细化研究方向和趋势[J].煤矿开采,2009,14(4):1-4.
- [3]Dolinar,D.R.Load capacity and stiffness characteristics of screenmaterials used for surface control in underground coalmines[J].25thInternational Conference on Ground Control in Mining,2006,152-158.
- [4]Thompson A.G.,Windsor C.R.,Cadby G.W.Performance as-sessment of mesh for ground control applications[J].Rock Sup-port and Reinforcement Practice in Mining,1999,119-130.
- [5]Tannant,D.D.Load capacity and stiffness of weldedwire,chainlink and expanded metal mesh[J].Chapter46 in Surface Supportin Mining,2004,387-390.