兰大《混凝土结构》13春在线作业3（Lan Da, concrete structure 13 spring online homework 3）.docVIP

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兰大《混凝土结构》13春在线作业3（Lan Da, concrete structure 13 spring online homework 3）.doc

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兰大《混凝土结构》13春在线作业3（Lan Da, concrete structure 13 spring online homework 3）

兰大《混凝土结构》13春在线作业3（Lan Da, concrete structure 13 spring online homework 3） 14 spring, 13 autumn, Lan Da, concrete structure, 13 spring, online homework, 312 Total score: 100 test time: - Radio examination A multiple-choice question Judgment question Radio examination questions (10 questions, 30 points) 1.. A. B. C. D. Full marks: 3 2. the following options do not fall into the normal serviceability limit A. affects the normal use or appearance of deformation (e.g., excessive deflection of the beam exceeding the deflection limit) B. affects localized damage to normal use or durability (e.g., cracking of members that do not allow cracks or cracks beyond the allowable crack width) C. structures or members are subjected to loss of stability (buckling, bending, buckling) D. affects the normal use of other specified states (e.g., longitudinal cracks along steel bars, such as rebar corrosion). Full marks: 3 3. which of the following does not belong to the advantages of reinforced concrete structures? A. make full use of the tensile strength of steel and the compressive strength of concrete to save steel and reduce costs B. is good in mould and can be cast into any shape as required C. self important D. source materials widely, easy materials, reasonable cost. Full marks: 3 4. when other conditions are equal, the ductility of prestressed concrete members is higher than that of ordinary concrete members. A. same B. is bigger C. is smaller D. is much bigger Full marks: 3 5.. A. B. C. D. Full marks: 3 6.. A. B. C. D. Full marks: 3 7. in the calculation of deformation and crack of reinforced concrete members, it is correct to say that the value of load and material strength is correct. A. load and material strength are taken as design values B. load and material strength are all standard values C. load takes design value and material strength is taken as standard value The D. load is taken as the standard value and the material strength is taken as the design value. Full marks: