不同地应力条件下U型钢支架受力变形分析及模拟研究  

Distortion Analysis and Simulation of U-shaped Steel Bracket Stress Differently under Stress Conditions

作　　者：刘立民[1,2] 张进鹏[1] 

机构地区：[1]山东科技大学矿业与安全工程学院,山东青岛266590 [2]泰安方舟矿业科技有限公司,山东泰安271026

出　　处：《煤炭技术》2017年第3期234-236,共3页Coal Technology

摘　　要：根据现有普通U型钢可缩性支架的特点,设计了封闭型U型钢可缩性支架。通过应力分析,对不同深度条件下U型钢局部变形量进行比较,得出大采深矿井U型钢支护时,应力主要集中在柱腿部分。通过普通U型钢可缩性支架和封闭型U型钢可缩性支架在不同深度地应力条件的数值模拟分析,得出封闭型U型钢可缩性支架的支撑效果明显优于普通U型钢可缩性支架,其性能明显优于普通U型钢可缩性支架。Based on the characteristics of the existing U-shaped steel retractable stent designed U- shaped steel closed retractable stand. Through stress analysis, the amount of local deformation of U-shaped steel under conditions of different depths to compare yields： mining deep mines large U-shaped steel support, mainly in stress stub portion. By U-shaped steel arch retractable steel bracket and U- shaped closed retractable holder in numerical simulation of different depths to stress conditions analysis, the closed U-steel arched support retractable stent is better than U-shaped steel arch shaped retractable bracket, its performance was also better than the U-shaped steel arch retractable stand.

关 键 词：普通U型钢可缩性支架 封闭型U型钢可缩性支架 应力分析 节点位移 

分 类 号：TD353[矿业工程—矿井建设]