不同形式组合板纵向抗剪承载力的分析

IndustrialConstructionVol.37,Supplement,2007200737(310032)::,,;;,:THEANALYSISOFCAPACITYOFLONGITUDESHEARINGOFDIFFERENTTYPESOFCONCRETECOMPOSITESLABSZhangJingquanZhuHailongWangSenjun(HangzhouBranchofNothwestReconnaissanceDesignInstituteHangzhou310012)Abstract:Itisanalysedandcomparedthecapacityoflongitudeshearingofdifferenttypesofcompositeslabs:openprofiledandclosedprofiledslabs1Itisconcluded:inthesamecondition,thecapacityoflongitudeshearingoftheclosedprofiledslabishigherthanopenprofiledslab1Rateofsteelincompositeslab,spanofcompositeslabareimportanttothecapacityoflongitudeshearing1Therelationofthefailuremodeandtheratiooftheshearingspanisalsogot1Itcanprovidethedesignproofsforthecompositeslab1Keywords:profiledsheet2concretecompositeslabopenandclosedprofiledsteelsheetslongitudeshearingcapacityratioofshearingspan12060,,,,,,,,,[1]:1),11-12)12-2,,3),,13-31:19803:2007-01-18(YXBD),5352017116mm,75200mm,,,,[2]2a-YX;b-BD23,,,,,PorterACI[3]:Vu=bh0mh0L+kfc(1)b;h0,,;=As/(bh0);Asb,;L,,L=L/4;fc;mk,43,,(1),,mk,,,,[1,2]3m=199169MPa,k=01059,m=13414MPa,k=010443mm41115002000250030003500mm4;44,,,,3500mm1500mm45%,47%412C30C35C40C45C50fc1=1413fc2=1619fc3=1911fc4=2112fc5=2311MPa55,,C50C30635;54%,C30C40413,,t1=018t2=110t3=112t4=114t5=116mm,1129%1153%1189%2120%2151%6;66,,,2151%1129%82%,72%,,414h0140150160170180mm,77,,180mm;7140mm39%,,180mm140mm34%140160mm5Vu,Mu,VM,10kN/m2,,V/VuM/Mu8a-;b-V/Vu;M/Mu8V/VuM/Mu8,V/VuM/MuV/VuM/Mu,2168,M/MuV/Vu,,2168,V/VuM/Mu,,2168,V/VuM/Mu,(526)735,01002;y;Et;,77Q2352B01480149Q3452B013901303-,,y=-4010-5x2+012268x;R2=0198843-,(2):E=E0(1-y)yEty(3)41),,,2),,,,,100300m,,,,3),(3),1GB6397862GB228873..:,1991(537)61),,,,,,2),,,3)C20C404),,5),,,,111:,20012,1-1,2003,33(12):15-183,1-1,2002,78(3):27-30625