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1、地大砌体结构设计在线作业二（Major architecture design of masonry work online two）Major architecture design of masonry work online twoTotal score: 100 test time: -Radio examinationA multiple-choice questionRadio examination questions (46 questions, 92 points)1. for the load-bearing wall beam, the maximum span allo
2、wable value is ().A. 6MB. 9mC. 12mD. 15mFull marks: 22. in the calculation of compressive bearing capacity of masonry, y is the section ()The distance between the center of gravity and the tensile edge of the A. sectionB. the distance from the center of gravity to the edge of compressionThe distance
3、 from the center of gravity of the C. section to the calculated positionD. cross section center of gravity to compression flange center line distanceFull marks: 2The bulk strength grade 3. bearing wall beams should not be less than ().A. MU5B. MU10C. MU15D. MU20Full marks: 24. steel reinforced brick
4、 lintel bottom mortar at the anchorage length should not be less than () within the support.A. 200mmB. 180mmC. 240mmD. 370mmFull marks: 25. for indoor needs larger space houses, generally should choose the following ()A. transverse wall bearing systemB. longitudinal wall bearing systemC. vertical an
5、d horizontal wall bearing systemD. inner frame bearing systemFull marks: 26., no masonry on the cantilever beam, and the ratio of the length of the embedded beam to the length of the cantilever beamA. should be greater than 1B. should be greater than 1.5C. should be greater than 2D. should be greate
6、r than 2.5Full marks: 27. masonry housing for the following () circumstances, should be provided with shock resistant joints. The elevation height above 6m in the design of the housing in accordance with the structure of each part of the elastic stiffness and quality of the different housing Cuoceng
7、 and floor elevation is relatively largeA.B.C.D.Full marks: 2In the calculation sketch of 8. single story masonry building, the bottom of column should be counted to ()A. 500mm below the outdoor groundWhen the B. is deep buried, the top surface of the foundation is takenC. 500mm below the indoor gro
8、undNeither D. nor ABC is correctFull marks: 29. flat brick lintel arch span should not exceed the specified value ().A. 2.0mB. 1.8mC. 1.5mD. 1.2mFull marks: 210. when the masonry building will generate large settlement in the middle, set in the position of the ring beam () is the most effective way
9、to prevent the wall cracks caused by uneven settlement.A. at the eavesB. the middle of the house heightC. is at the floorD. foundation top surfaceFull marks: 211. according to the redistribution of plastic internal force, the damage sign of reinforced concrete continuous beam is ()A. yield at a give
10、n sectionB. the entire beam becomes a variable systemC. appears the first plastic hingeCracks appear in the D. beamFull marks: 212. cast-in-place reinforced concrete floor construction, beam span is 6m in the span of 4m, when the design requirements, Chaimo floor concrete strength should be equal to
11、 or greater than the design strength ().A. 50%B. 75%C. 90%D. 100%Full marks: 213. when the structure or component appears in the following states (i.e.), it is considered to exceed the limit of bearing capacity.The A. structure is transformed into a mobile systemB. structures or components lose stab
12、ilityC. deflection exceeds allowable valueD. the crack exceeds the allowed valueFull marks: 214. when the overturning moment of the cantilever is calculated, the load is taken as ()A. the sum of the standard values of the masonry and floor constant loadsB. the sum of the values of the constant load
13、of masonry and the floor of this buildingC. the sum of the standard values of the constant load and live load of this layerD. the sum of the constant load and live load gauge of this layerFull marks: 215. in determining the end plate thickness and canopy thickness (root).At the end of A. 50mm in thi
14、ckness, the thickness of the roots (1/101/12) pick desirable length and not less than 100mmAt the end of B. in thickness of 60mm, root thickness (1/10 1/12) desirable stickout, and not less than 80mmAt the end of C. in thickness of 50mm,Root thickness is desirable (1/8, 1/10), singled out length, an
15、d not less than 80mmAt the end of D. in thickness of 60mm, root thickness (1/8 1/10) desirable stickout, and not less than 100mmFull marks: 216. the tensile strength of masonry slot section failure, mainly by the decision ().A. bulk strengthB. mortar strengthC. mortar and masonry strengthD. the above ABC are incorrectFull marks: 217. the purpose of checking the height to thickness
