16秋北交《建筑施工(专)》在线作业1(国外英文资料).doc

16秋北交《建筑施工(专)》在线作业1(国外英文资料) North construction (special) online homework 1 A RadioButtonList (a total of 10 questions, a total of 30 points.) 1. precast reinforced concrete piles horizontal stack poured to make lower concrete design strength can be cast (upper). A. 25% B. 30% C. 40% D. 50% The correct answer: 2. is the construction process of the hanging frost white veneer (features). The construction method of A. paste B. wet operation method of installation C. dry operation method of installation D. can be more than three The correct answer: 3. in pretensioned system, the concrete strength is generally not less than the ratio of the number of standard strength of concrete, prestress (can). A. 50% B. 60-70% C. 75% D. 100% The correct answer: 4. quality inspection of High Pressure Jet Grouting grouting in the end (after). A. for 1 weeks B. for 2 weeks C. for 3 weeks D. for 4 weeks The correct answer: Connecting 5. reinforced concrete prefabricated pile reinforcement should be used (). A. first poured in the wall B. pre cast wall C. first corner casting D. thin wall casting The correct answer: 6. the construction height is the meaning of (). A. site elevation B. natural ground C. design elevation minus the natural elevation D. Center site elevation minus the natural elevation The correct answer: 7. pit (trench) earthwork embankment can be calculated using the following method (). A. triangular prism method B. uniform calculation method The calculation method of C. quasi column volume D. tetragonal prism method The correct answer: 8. post tensioned construction with 0 to 105 Sigma ##on holding for 2 minutes to a ##on stretching program, super tension in order to reduce the prestress loss caused by (). A. anchor B. hole friction C. relaxation of steel Shrinkage of D. concrete The correct answer: 9. high temperature, pouring concrete slipform construction (should). A. first poured in the wall B. pre cast wall C. first corner casting D. thin wall casting The correct answ