,http://121.199.32.106:8088/portal/?action-viewcomment-type-news-itemid-94314,engineeringprojecttechnicaloptimizationcaseanalysis(video)(13Edition)a,radio1,theoptimizationschemeshouldbepractical,everythingfromthereality,thepurposeistoensurethatthe(),reduceconstructioncosts.A.duration,qualityandsafetyB.duration,quality,safetyandenvironmentC.duration,quality,environmentD.quality,safetyandenvironment2,alargetheaterinthecourseoftheconstructionofthefoundationpitdewateringschemeoptimization,theinitialwaterlevelduringtheinvestigationdepthis()A.9.00-10.00m10.00-11.00mC.11.00-12.00mD.12.00-13.00m3,largevolumeconcretepouring,whenusingthepumpconcrete,thecontinuouspouringlayerthicknessisnotgreaterthan(),inordertofacilitatethevibrationandensurethequalityofconcretepouring.A.200mm500mmC.B.600mmD.700mm4,massconcretepouringinthebodytemperature,coolingrate,environmentaltemperatureandtemperaturestraintest,inthe7daysafterthepouringofconcrete,nolessthan(B.)24(A.)12C.D.365,afterthecompletionofconcretepouring,inatimelymannerinthesurfacecoveredwithalayeroftwolayersofplasticsheeting.Thedurationoftheheatpreservationshallbedeterminedaccordingtothecontrolofthetemperaturestress(includingthestressproducedbytheshrinkageofconcrete),notlessthan()days.A.3B.C.147D.286,onthetraditionalsupportreinforcementmethodandloadbylayerreductionmethodiswrong()A.traditionalsupportreinforcementmethodismoreexpensivethanthelatter,thetworeinforcementconstructiondifficultB.traditionalsupportreinforcementmethodisrelativelyreliable,convenientfortheconstructionofeachlayer,lowcostC.loadlayerbylayerreductionrelativetothelatterschemeiscomplexD.traditionalsupportreinforcementmethod,withoutconsideringtheconversionlayerbelowthefloorbearingcapacity,theoriginaltemplatesupportsystemisnotremoved,http://0790pos.com/bbs/ShowPost.asp?ThreadID=20164,allthewaythroughthethreelayerundergroundfloor,thenaccordingtothestabilitycalculationofeachlayerofsupportsystemsettings,whennecessary,reinforcementofencryption,supportrodAtheatreprojectof7,inthecourseoffoundationpitconstructionschemeoptimization,accordingtothe"NorthChinaregionalstratigraphictable",thestratainNorthChinastratigraphicareaofNorthChinaPlainofHebeiDistrict(District)borderarea.1http://www.xue163.com/wendangku/z0s/f0ag/j071180fab0vpoints14、工程项目技术方案优化案例分析（视频）（13年版）一、单选题1、优化方案应切实可行，一切从实际出发，目的是要保证（），降低施工成本。A.工期、质量、安全B.工期、质量、安全、环境C.工期、质量、环境D.质量、安全、环境2、课程中某大剧院工程基坑降水施工方案优化，勘察期间初见水位埋深为（）A.9.00-10.00mB,http://0790pos.com/bbs/ShowPost.asp?ThreadID=20155.10.00-11.00mC.11.00-12.00mD.12.00-13.00m3、大体积混凝土分层浇筑，当采用泵送混凝土时，分层连续浇筑厚度不大于（），以方便于振捣和保证砼浇筑质量。A.200mmB.500mmC.600mmD.700mm4、大体积混凝土浇筑体里表温差、降温速率、环境温度及温度应变的测试，在混凝土浇筑后7天内，每昼夜可不少于（）次；A.7B.12C.24D,http://0790pos.com/bbs/ShowPost.asp?ThreadID=20134.365、在砼浇筑完毕后，及时在表面覆盖一层塑料薄膜两层毡片。保温养护的持续时间根据温度应力（包括砼收缩产生的应力）控制确定，不得少于（）天,[url=http://www.9kcw.com/forum.php?mod=viewthread