隧道工程试题及答案之三Â
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ÞluXbbs.3c3t.comß´A;¾¢PÚCA一、Â
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单项选择题(每题1分,共10分)Â
ÞluXbbs.3c3t.comß´A;¾¢PÚCA1.隧道施工是指修建(Â
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ÞluXbbs.3c3t.comß´A;¾¢PÚCAA.隧道及地下洞室的施工方法、施工技术和施工管理的总称;Â
ÞluXbbs.3c3t.comß´A;¾¢PÚCAB.地下洞室及巷道;Â
ÞluXbbs.3c3t.comß´A;¾¢PÚCAC.躲避洞;Â
ÞluXbbs.3c3t.comß´A;¾¢PÚCAD.地下交通工程。Â
ÞluXbbs.3c3t.comß´A;¾¢PÚCA2.控制测量的精度应以中误差衡量,最大误差(极限误差)规定为中误差的(Â
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A.两倍Â
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B.三倍Â
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C.一倍Â
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D.四倍Â
ÞluXbbs.3c3t.comß´A;¾¢PÚCA3.按设计要求进行边坡、仰坡放线,自上而下逐段开挖,不得掏底开挖或(Â
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ÞluXbbs.3c3t.comß´A;¾¢PÚCAA.左、右开挖Â
ÞluXbbs.3c3t.comß´A;¾¢PÚCAB.分步开挖Â
ÞluXbbs.3c3t.comß´A;¾¢PÚCAC.上下开挖Â
ÞluXbbs.3c3t.comß´A;¾¢PÚCAD.中间开挖Â
ÞluXbbs.3c3t.comß´A;¾¢PÚCA4.隧道明洞施工当具备相应的机具条件时可采用(Â
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A.边墙法Â
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B.拱墙整体灌筑Â
ÞluXbbs.3c3t.comß´A;¾¢PÚCA5.加强对地表下沉、拱部下沉的量测及反馈,以指导施工.量测频率宜为深埋段的(Â
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A.3倍Â
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B.2倍Â
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C.1倍Â
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D.四倍Â
ÞluXbbs.3c3t.comß´A;¾¢PÚCA6.锚杆支护或构件支撑,应尽量靠近开挖面,其距离应小于(Â
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A.1倍洞跨Â
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B.0.5倍洞跨Â
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C.2倍洞跨Â
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D.4倍洞跨Â
ÞluXbbs.3c3t.comß´A;¾¢PÚCA7.全断面法适用于V1—IV类围岩,该法可采用深孔爆破,其浓度可取(Â
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A.1—2米Â
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B.2—4米Â
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C.3—3.5Â
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D. 4—6Â
ÞluXbbs.3c3t.comß´A;¾¢PÚCA8.当衬砌采用先拱后墙施工时,拱圈混凝土达到仪器强度70%之后方可进行(Â
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A.拱脚Â
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B.下部断面的开挖Â
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C.边墙Â
ÞluXbbs.3c3t.comß´A;¾¢PÚCA9.仰拱施工应当结合拱墙施工抓紧进行,(Â
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ÞluXbbs.3c3t.comß´A;¾¢PÚCAA.使结构尽快封闭Â
ÞluXbbs.3c3t.comß´A;¾¢PÚCAB.浇筑仰拱混凝土Â
ÞluXbbs.3c3t.comß´A;¾¢PÚCA10.二次衬砌混凝土其强度达到2.5mpa时(Â
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A.方可拆模Â
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B.继续浇筑Â
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C.不能拆模Â
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