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建筑工程练习题6-(Construction exercises 6-).doc

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建筑工程练习题6-(Construction exercises 6-) 6. Safety production means various measures and activities adopted in order to prevent accidents occurring in the process of production and ensure the safety of workers in production. A, personal injury B, property damage C, device damage D, work environment destruction E, man-made destruction 7. The load on the rigid frame is as shown in the following four structural deformation diagrams. A, A B, B C, C D, D 8, the span of a cast-in-place reinforced concrete beam is 9m, and the span height of the arch can be. A, 2mm B, 5mm C, 15mm D, 20mm E, 30mm 9, a comprehensive building construction area of 3600M2, is a 10 layer concave flat building, one or two floors for shops, more than three storeys for residential. One layer, two layer of 3.5m, more than three storey 3.0m, 31m high, the foundation for concrete pile foundation, the slurry retaining wall construction method in the hole process, part of pile hole collapse. The main structure of the cast-in-place reinforced concrete beam slab column frame structure, using C25 concrete infill wall of aerated concrete block, in the main structure of the construction process, the three layer of concrete test block strength is not up to the design requirements, but the actual strength of the test is still not up to the requirements after checking the design unit and to meet the structural safety performance. Question: (1) what are the possible causes of the collapse of the hole wall during the construction of the pile foundation and what are the prevention methods? (2) whether the quality problems in the construction of main structure need to be dealt with? Why? (3) what are the possible reasons for the low strength grade of the main concrete? 10, a company of new residential buildings, the construction unit is determined through public bidding, the contract price for the adjustable price contract, construction contract issued by the Ministry of construction in 1999, the construction contract m
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