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“钻灌注桩”案例分析与答案解析 背景材料： 某桥主跨为4050m预应力混凝土T，主墩基础为直径2.0m的钻灌注桩，桥址处地质为软岩层，设计深度为20m，采用回转钻进施工法钻.施工单位制定了钻灌注桩的主要检验内容和实测项目如下： 1).终的、、径、倾斜度、泥浆相对密度； 2).钻灌注桩的混凝土配合比； 3).凿除桩头混凝土后钢筋保护层厚度； 4).需嵌入柱身的锚固钢筋长度. 问题： 请提出钻灌注桩成质量检查的缺项部分？对钻灌注桩混凝土的检测是否合理？请说明.请指出钻桩常见质量控制点？
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【简答题】How can we find the best location of sarting business?
【单选题】S1:Excuse me. Could you please tell me the way to London?S2:OK. You should take metro at National Station.S1:But how can we find the station?S2:Go ahead and turn left at the second crossing. Go along ...
A.
Go ahead and turn right at the second crossing. Go along the street and the station is right in front of you.
B.
Go ahead and turn left at the first crossing. Go along the street and the station is right in front of you.
C.
Go ahead and turn left at the second crossing. Go along the street and the station is right in front of you.
D.
Go ahead and turn left at the second crossing. Go along the street and the station is right behind you.
【简答题】When prices are low people will buy more, and when prices are high they will buy less . Every shopkeeper knows this. But at the same time, producers want higher prices for their goods when they make m...
【多选题】相对教材,利用专业学术文献学习的优势在于______
A.
出版周期短，可以接触到学科的最新发展
B.
内容多元化，可以看到很多学科知识的应用
C.
科技报告、学位论文等有利于拓宽视野
D.
形成更加个性、合理性的知识结构
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