2025-12-18 08:41 浏览次数 20
砌体梁
theoretical analysed the roof without voussoir beam structure in shallow seam mining under thick unconsolidated layers, thus, cann't use voussoir beam theory to compute the force of supports.
同时,理论分析了地表厚松散层浅埋煤层顶板不存在砌体梁结构,因而不能应用砌体梁理论计算支架载荷。