大工12秋《工程抗震》在线作业2（Great works 12 autumn project earthquake online homework 2）.docVIP

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大工12秋《工程抗震》在线作业2（Great works 12 autumn project earthquake online homework 2）.doc

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大工12秋《工程抗震》在线作业2（Great works 12 autumn project earthquake online homework 2）

大工12秋《工程抗震》在线作业2（Great works 12 autumn project earthquake online homework 2） In autumn 12 Earthquake Engineering online homework 2 The multiple choice questions A RadioButtonList (a total of 7 questions, a total of 42 points.) There are 1. structural oblique lateral resistant member, when the intersection angle (degrees), should be considered separately the horizontal seismic component to resist lateral force direction. A. is less than 10 B. is greater than 10 C. is less than 15 D. is greater than 15 Answer: D score: 6 points 2. of multistory masonry structure generally require () calculation of the seismic earthquake conditions. The level of A. B. vertical Reverse C. The above three are D. Answer: A score: 6 points The vertical earthquake effect calculation of 3. floors, should be multiplied by (a) the vertical seismic dynamic effect coefficient. A. 1.2 B. 1.3 C. 1.4 D. 1.5 Answer: D score: 6 points 4. when the long cantilever member in the design of earthquake acceleration 0.30g area, the vertical earthquake component value can be the standard component of the gravity load representative value (). A. 10% B. 15% C. 20% D. 25% Answer: B score: 6 points 5. multi-storey masonry structure should be avoided (by). A. vertical load-bearing plan B. horizontal load-bearing plan C. horizontal load-bearing plan D. the above statements are wrong Answer: A score: 6 points 6. multistory masonry structure wall entrance area, not 6, 7 degrees higher than the total area (wall). A. 45% B. 50% C. 55% D. 60% Answer: C score: 6 points 7. in general, masonry structure transverse wall bearing damage than the seismic damage of masonry structure housing longitudinal wall bearing the (). A. light B. C.. D. cannot be determined Answer: A score: 6 points In autumn 12 Earthquake Engineering online homework 2 The multiple choice questions Two, (a total of 3 multiple-choice questions, a total of 18 points.) 1. and the total seismic responses of the structure, when the structure (), may be approp