Sunday, September 11, 2022
Thursday, September 15, 2022
问题:止水条定位后至下浇筑一环混凝土前,尽量避免(),必要时加涂缓膨剂...
Thursday, September 15, 2022
问题:分部开挖法施工时,钢架拱脚应打设直径为22mm的(),锚杆长度不小于3.5m,数量为2—4根。下半部分开挖后钢架应及时落底接长,封闭成环。...
Thursday, March 23, 2023
问题:电缆槽内铺以细砂作为垫层,低压电缆可直接放在垫层上面,高压电缆则吊在槽内()上。...
Wednesday, May 17, 2023
Thursday, September 15, 2022
问题:止水条连接应采用搭接方法,搭接长度大于50mm,搭接后再粘接,搭...
Thursday, September 15, 2022
Thursday, September 15, 2022
问题:是否存在高地应力主要决定于()。A、隧道埋深B、围岩密度C、最大地应力D、围岩强度E、围岩弹模...
Wednesday, May 24, 2023
问题:变形缝是由于考虑结构不均匀受力和混凝土结构涨缩而设置的允许变形的...
Sunday, September 11, 2022
Thursday, April 13, 2023
问题:在二次衬砌施工时,边墙基底以上1m范围内的超挖正确的处理措施为()。A、浆砌片石回填B、水泥浆回填C、同级混凝土回填D、砂浆回填...
Tuesday, January 24, 2023
问题:()是用钢板卷压而成,与挡环、弹性垫板为一体;锚孔略小于杆体直径...
Sunday, September 11, 2022
问题:在岩石隧道开挖质量检查中,要求局部欠挖范围为每平方米内不大于(...
Thursday, September 15, 2022
Thursday, September 15, 2022
问题:下列锚杆属于端头锚固式的有()。A、胀壳式B、楔缝式C、楔管式D、缝管式E、楔头式...
Monday, September 11, 2023
Thursday, September 15, 2022
问题:模板台车侧壁作业窗宜分层布置,层高不宜大于1.5m,这个高度主要...
Sunday, September 11, 2022
问题:钢架与钢筋网喷混凝土联合使用,应保证钢架与围岩之间的混凝土不小于...
Thursday, September 15, 2022
Thursday, September 15, 2022