摘要
Abstract
This article focuses on the widely used concrete hollo block wall support technology in the treatment of abandoned tunnels,and con-ducts in-depth numerical analysis of its stress state under the lateral pressure of filled concrete.Based on practical engineering cases,this arti-cle provides a detailed introduction to the design parameters,constraint conditions,and determination methods of lateral loads on concrete hollo block walls during pouring.A three-dimensional model of concrete hollo block wall was established using finite element analysis software AN-SYS,and the influence of initial setting time of concrete on lateral pressure was considered.Two different stress analyses were conducted under two different working conditions.The results show that when the concrete pouring speed is controlled within 0.5m/h,the main compressive stress of the masonry wall,the main compressive stress of the mortar,the main tensile stress and shear stress of the masonry at the mortar joint all meet the requirements of the"Code for Design of Masonry Structures"GB50003-2011.关键词
混凝土空心砌块体墙/侧压力/数值分析Key words
Concrete hollo block wall/Lateral pressure/Numerical analysis分类
建筑与水利
