问题:多选题目前岩体力学地层-结构模式的求解方法主要有()。A数值法B假定抗力图形法C剪切滑移破坏法D弹性地基梁法E特征曲线法...
Tuesday, June 20, 2023
问题:隧道结构混凝土劣化的内因主要有混凝土水泥品种及用量,酸、碱反映以及()。...
Saturday, September 17, 2022
问题:当坍穴高、坍碴数量大,坍碴体完全堵住隧道洞身时,宜采取()的方法。...
Thursday, September 22, 2022
问题:填空题()是安装在可移动式液压臂上的切削头来破碎岩体的,可以挖掘各种土和中硬以下的岩石,它集挖碴、装碴于一身。...
Tuesday, June 20, 2023
问题:单选题单护盾掘进机适用于()。A 软岩B 硬岩C 极硬岩D 破碎岩层...
Tuesday, June 20, 2023
问题:填空题目前对地层-结构模式的求解方法主要有数值法、特征曲线法和()。...
Monday, March 6, 2023
Thursday, September 22, 2022
问题:单选题敞开式掘进机适用于()。A 软岩B 硬岩C 极硬岩D 破碎岩层...
Monday, March 6, 2023
Tuesday, June 20, 2023
问题:拌制混凝土时,原材料称量应采用自动计量,()应定期检定。...
Wednesday, September 21, 2022
Wednesday, January 15, 2025
问题:填空题防水板焊缝充气检查:环向焊缝每衬砌循环抽试2条,纵向焊缝每衬砌循环抽试()条。当压力表达到()时停止充气,保持15min压力下降在10%以内,焊缝合格。...
Wednesday, September 28, 2022
问题:单选题时间单位里秒与毫秒的关系是:1s=()ms。A 10B 100C 1000D 60...
Tuesday, March 7, 2023
问题:隧道钻爆设计中采用斜眼掏槽时,一般最大炮眼深度取断面宽度的()。...
Thursday, September 22, 2022
问题:单选题在两侧边坡高差较大地段适宜的拱式明洞形式为()。A 路堑式对称型B 路堑式偏压型C 半路堑式偏压型D 半路堑式单压型...
Tuesday, June 17, 2025
Thursday, September 15, 2022
Wednesday, September 28, 2022
问题:如果布置两种风管,一种为压入式风管,它向工作面压送新鲜空气;另一种为压出式风管,将污浊空气排出洞外。这叫()通风...
Tuesday, September 20, 2022
Thursday, September 22, 2022