【多选题】
​地下连续墙具有下列哪些特点?___​
A. 刚度大​
B. 抗渗性能好​
C. 无振动​
D. 无噪声​
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答案
ABCD
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【多选题】
​素混凝土,是以哪些材料为原料?___​
A. 水泥​
B. 水​
C. 粗骨料​
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【多选题】
​钢筋混凝土构件中,混凝土和钢筋两种不同性能的材料,能够共同工作的原因。___
A. 由于混凝土收缩将钢筋握裹而产生的摩擦作用​
B. 在钢筋和混凝土表面分户互相胶着的作用​
C. 接触表面上凹凸不平的机械咬合作用​
D. 钢筋和混凝土两种材料的线膨胀系数大致相同​
【多选题】
​支座按支座用材料分为哪几种?___​
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【多选题】
​桥梁按桥面位置分哪几种?___​
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B. 梁式桥​
C. 下承式桥​
D. 中承式桥​
【多选题】
​梁式桥又可分为哪几种?___​
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【多选题】
​涵洞按孔数分哪几种?___​
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【多选题】
隧道常用的螺栓连接有以下哪3种型式?___​
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C. 环螺栓​
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【多选题】
​桩板式墙具有以下哪些特点?___​
A. H钢的间距在1.2-1.6 m​
B. 造价低,施工简单,有障碍物时可改变间距​
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【多选题】
​钢板桩墙具有以下哪些特点?___​
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【多选题】
​水泥的品种很多,目前在工程中大量使用的有哪几种水泥?___​
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B. 普通硅酸盐水泥​
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​硅酸盐水泥具有以下哪几个特点?___​
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【多选题】
​普通硅酸盐水泥相较硅酸盐水泥具有以下哪几个特点?___​
A. 早期强度增进率略有减少​
B. 抗冻性、耐磨性少有下降​
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​粉煤灰水泥具有以下哪几个特点?___​
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C. 抗硫酸盐侵蚀性好​
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​决定水泥强度的因素主要有以下哪几种?___​
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测定水泥强度时,在标准条件下养护,分别测定()、()和()的抗压和抗折强度。___
A. 2d​
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【多选题】
​水泥的凝结时间对混凝土的施工有重要意义,分()和()两种。___​
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B. 初凝​
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D. 晚凝​
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​防水混凝土宜优先选用哪几种水泥?___​
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​预应力混凝土不得使用哪几种水泥?___​
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​根据平均颗粒直径(简称粒径)的大小,可将细骨料分为哪三级?___​
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​砂石中各粒径大小颗粒的分布混合情况,称为砂石级配。一般来说,较好的级配应当具有哪些特点?___​
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​下列属于减水剂的作用的是?___​
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​常用的早强剂有哪几种?___​
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​常用的缓凝剂有哪几种?___​
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​桥梁下部结构主要包括()。___​
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​桥梁防护结构主要包括()。___
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​下列属于按桥梁结构的体系分类的是?___​
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​下列属于按跨越能否活动分类的是?___​
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【多选题】
​下列关于桥梁全长说法正确的是?___​
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​下列关于渠涵净孔说法正确的是?___​
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​下列哪些是火山灰水泥、粉煤灰水泥优先使用的范围?___​
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【多选题】
​下列哪些属于地下连续墙技术要求?___​
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​下列哪些属于水泥标号的选用宜遵循原则?___​
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​下列关于混凝土密实度与耐久性说法正确的是?___​
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【多选题】
​下列各分部工程( )为主要工程。___​
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【多选题】
​桥涵工程中所用石料的外观要求为( )。___​
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【多选题】
热轧钢筋试验项目包括( )。___​
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【多选题】
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【多选题】
​石料抗冻性试验测试项目包括___​
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D. 吸水率​
【多选题】
​桥梁现场动载试验测试记录主要内容有( )。___​
A. 跑车时的动态响应​
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【多选题】
​钢结构焊缝的无损探伤有( )等方法。___​
A. 超声波法​
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