地大《砌体结构设计》在线作业一（The design of masonry structure is one）.docVIP

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地大《砌体结构设计》在线作业一（The design of masonry structure is one）.doc

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地大《砌体结构设计》在线作业一（The design of masonry structure is one）

地大《砌体结构设计》在线作业一（The design of masonry structure is one） The design of masonry structure is one Total score: 100 test time: -- Single topic selection Multiple choice (altogether 46 questions, 92 points.) The spatial stiffness of a mixed structure is related to (). A. Roof type, horizontal wall spacing B. Horizontal wall spacing, no gables C. No gables and construction quality D. Type of roof and construction quality Full marks: 2 2. The bricks in the central compression masonry are in the state of complex stress. Ⅰ. Compression Ⅱ. Bending Ⅲ. Shear Ⅳ. Local compression Ⅴ. Lateral tension A. Ⅰ, Ⅱ B. Ⅰ, Ⅱ, Ⅲ C. Ⅰ, Ⅱ, Ⅲ, Ⅳ D. Ⅱ, Ⅲ, Ⅳ, Ⅴ Full mark: 2 3. The design value of compressive strength should be multiplied by the adjustment factor (). A. 0.9 B. 0.85 C. 0.75 D. 0.7 Full mark: 2 4. In the seismic design of masonry structure, the total height and number of floors are determined. A. The strength of masonry with the high thickness ratio B. Static calculation of masonry structure C. housing category, high thickness ratio, earthquake intensity D. The number of housing categories, minimum wall thickness, earthquake fortification intensity and horizontal wall Full mark: 2 5. The slope of the civil residential stairs should be in between (). A. 10 ° and 25 ° B. 20 ° to 45 ° 40 ° - 55 ° c. D. 50 ° to 65 ° Full mark: 2 6. The span of the brick flat arch beam should not exceed the () regulation value. A. 2.0 m B. 1.8 m C. 1.5 m D. 1.2 m Full mark: 2 7. The shock-proof width of masonry houses shall be determined according to () A. Calculation of the static power of the house B. Number of building floors C. height of building D. The height of the house Full mark: 2 8. The main function of the construction of reinforced concrete structures in multi-layer masonry structures is () A. effectively increases the stability of the surface of the wall B. Greatly improve the anti-shear ability of the wall at the beginning of the wall, and prevent the cross-fracture of the wall C. Effectiv