兰大《工程结构抗震》13春在线作业4（Lan Da earthquake resistant engineering structure 13 spring online homework 4）.docVIP

兰大《工程结构抗震》13春在线作业4（Lan Da earthquake resistant engineering structure 13 spring online homework 4） 14 spring 13 autumn big orchid engineering structure earthquake resistance 13 spring 14 spring 13 autumn big blue engineering structure earthquake resistance 13 spring online homework 4321 Total score: 100 test time: - Radio examination A multiple-choice question Judgment question Radio examination questions (15 questions, 45 points). Radio) Which of the following is wrong about the layout of the seismic wall in the 1. frame aseismic wall structure arrangement?. A. seismic walls should be symmetrically and evenly arranged on the plane of the structure B. seismic walls shall be arranged along the vertical and horizontal direction of the structure The C. seismic wall is suitable for the middle line superposition D. seismic walls should be arranged at both ends of the outer wall Full marks: 3 In the 2.8 degree earthquake zone, which of the following structures does not take into account vertical seismic action? () A. high-rise structure B. long cantilever structure C. chimney D. long-span structure Full marks: 3 3. what is the following statement about the function of a constructional column in a multi story masonry building?. A. can enhance the integrity of the house, avoid cracking, wall collapse B. can improve the resistance to deformation of masonry C. can improve the shear strength of masonry D. resists damage due to uneven settlement of foundations Full marks: 3 4. the maximum axial compression ratio of the frame structure with a seismic rating of two is (). A. 0.7 B. 0.8 C. 0.9 D. 1 Full marks: 3 5. when calculating the seismic action of multi story masonry buildings, the reason for taking alpha 1= alpha Max is (). The seismic performance of A. multi story masonry building is poor, and the alpha 1= alpha Max can be biased to safety B. multi story masonry building has a wide range of surfaces, and a lot of calculation can be reduced by taking alpha 1= alpha Max C. mu