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单项选择题
- 1、 沉入土中的桩,将使桩周附近()倍桩径范围内的土受到很大的重塑作用,因此在黏土中沉桩时,当桩距较小时,更应注意沉桩顺序.
A.1~2
B.2~3
C.3~4
D.3~5
- 2、 沥青混合料施工温度应根据沥青品种.标号.黏度.气候及铺筑厚度等条件按规范要求选用.当沥青黏度大.气温低.铺筑厚度小时,施工温度宜用().
A.经验值
B.低限
C.高限
D.中值
- 3、 填埋场场地不应选择建在()地区.
A.石灰岩溶洞发育
B.砾石.石灰岩溶洞发育
C.砾石
D.砾石.石灰岩
- 4、 较大体积的混握土墩台及其基础埋放石块的数量不宜超过混凝土结构体积的().
A.25%
B.50%
C.30%
D.10%
- 5、 普通硅酸盐水泥配制的喷射混凝土强度低于设计强度的()时,以及矿渣硅酸盐水泥配制的喷射混凝土强度低于设计强度的()时,不得受冻.
A.25%;30%
B.30%;25%
C.30%;40%
D.40%;30%
- 6、 索赔最重要的依据之一是().
A.施工进度计划
B.监理确认单
C.合同文件
D.财务账目
- 7、 履带式起重机正常作业时,其工作地基坡度不得大于().
A.5°
B.4°
C.3°
D.2°
- 8、 井壁厚度一般为()左右.
A.0.4~1.0m
B.0.6~1.2m
C.0.8~1.6m
D.0.4~1.2m
- 9、 与热力管网闭式系统相比较,开式系统其热媒是被()消耗的.
A.直接
B.间接
C.大部分
D.少部分
- 10、 根据建筑基坑支护技术规程(JGJ120-99),支护结构水平位移为应测项目的基坑侧壁安全等级为().
A.一级
B.二级
C.三级
D.所有等级
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