大工14春《水利工程施工》在线测试3（Big work 14 spring water conservancy project construction online test 3）.docVIP

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大工14春《水利工程施工》在线测试3（Big work 14 spring water conservancy project construction online test 3）.doc

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大工14春《水利工程施工》在线测试3（Big work 14 spring water conservancy project construction online test 3）

大工14春《水利工程施工》在线测试3（Big work 14 spring water conservancy project construction online test 3） In the spring of 14 water conservancy construction online test 3 First, determine the problem 1. concrete dam aggregate sources through natural aggregate natural gravel wool, not involving artificial aggregate. A. error B. right Answer: A 2. concrete winter operations the mixing time should be 3 times at room temperature. A. error B. right Answer: A 3. template design load, wind load is a special load. A. error B. right Answer: B 4. in the concrete curing measures, determine the reasonable time of stripping, stripping after covering moisture is one of the important aspects. A. error B. right Answer: B The 5. section excavation tunneling machine is not suitable for the flat hole, but for section excavation. A. error B. right Answer: A The selection of the 6. template should try to avoid using cantilever template and sliding mode. A. error B. right Answer: A 7. failure modes of surrounding rock mainly includes the local damage and destruction of the whole. A. error B. right Answer: B 8. construction cost analysis of the factors is the pointer changes on the engineering cost of the main engineering technical and economic indexes were analyzed briefly. A. error B. right Answer: B The temperature crack of concrete 9., surface crack is caused by the concrete temperature stress constraint. A. error B. right Answer: B 10. sand field selection of high yield, less waste material, low production cost. A. error B. right Answer: B Two, RadioButtonList 1. aggregate concrete, the maximum (used). A. four gradation B. three gradation C. two gradation D. grading Answer: A 2. concrete aggregate particle size in the range of 5-20mm is called (). A. small stone B. stone C. stone D. large stone Answer: A Design principle 3. is inclined to the keyway keyway (dam). A. vertical shear stress B. parallel shear stress Two groups of C. vertical principal stress D. two group principal stress parallel Answ