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1、《钢筋砼与砌体结构》课程习题集西南科技大学成人、网络教育学院版权所有习题【说明】：本课程《钢筋砼与砌体结构》（编号为06005）共有单选题,计算题,简答题,判断题,填空题2等多种试题类型，其中，本习题集中有[简答题]等试题类型未进入。一、单选题1.混凝土若处于三向应力作用下，当（）。A.横向受拉，纵向受压，可提高抗压强度B.横向受压，纵向受拉，可提高抗压强度C.三向受压会降低抗压强度D.三向受压会提高抗压强度2.规范规定的受拉钢筋锚固长度为（）。A.随混凝土强度等级的提高而增大B.随钢筋等级提高而降低C.随混凝土强度等级的提高而
2、减少，随钢筋等级提高而增大D.随混凝土及钢筋等级提高而减小3.结构在规定时间内，在规定条件下完成预定功能的概率称为（）。A.安全度B.可靠度C.可靠性D.耐久性4.属于有明显屈服点的钢筋有（）。A.冷拉钢筋B.钢丝C.热处理钢筋D.硬钢5.能同时提高钢筋的抗拉和抗压强度的冷加工方法是（）。A.冷拉B.冷拔C.热处理D.淬火shouldbetightened,noloose,TerminalBoardwiringshouldbeoneoneachside,nomorethantwo.J,shieldedwire,sparewire
3、bindingorder,reliablegrounding.7.7qualitystandard7.7.lcablesthroughthecableembeddedtubemakinguseofgalvanizedsteelpipe,tubeendswithoutburrs,smooth.7.7.2pipedoesnotallowbending,bendingthebendradiusshouldbe≥4timestimestheouterdiameterofthetubein.7.7.3ellipticityofabentt
4、ube,pipediameter≤60mm,not>8%,diameter>760mm,not>6%.7.7.4makingcablesburiedpipingapplicationrootproduction,growingwhereinterfaceisrequired,onlystraightpipe,onlythewireportconnections,weldedconnectionsarenotallowed.7.7.5servicesleeveshouldhaveagoodgrounding.7.7.6cablet
5、raysinstallation,burrsanddirtandcorrosiontreatmentshouldbecarriedout,installthebridge...7.8.1.7pipingandpiping,equipmentandequipmentorpipingandotherequipmentshallhavesufficientexpansiongapinhotsituations.7.8.1.8metaltemperatureoftheinsulatinglayer(hot)=shell-walltemp
6、eratureofenvironmenttemperature≤40°c.7.8.2paint7.8.2.lpaintofequipmentandpipelinesshouldhaveatleastaprimer(redpaint)andfinish.7.8.2.2paintappearancecoloruniform,withoutpaint,rust,flaking,wrinkles,flowmarks,scum,paintparticlesandvisiblebrushmarks.7.8.2.3interlayershou
7、ldbetightandwithoutstratification.7.8.2.4pipelinesasphalt,fiberglassfabriccorrosion,externalappearanceshouldnevershowsurroundedbyglassfiberclothuniform,dense,paintedpitchinspectionshouldbenodelamination,cavitation,homogeneityofasphaltcoating,brushingeachlayerthicknes
8、sinaccordancewithdesignrequirements.Standard7.97.9structureplacementprocess.1fair-facedconcreteisaconcretesurfacewithoutanydecorati
