板式楼梯斜板厚度取值的讨论

:1998210214:,1970,,:1002-3046(1999)03-25,(,250022):h=(1ö251ö30)L,,,L,h,:;;;:TU37512:B,,,,,,,,,h=(1ö251ö30)L,L,,L,,,,11p,p=pcosA,Appx=pcosApy=psinA,py,px,,Mmax=pxL2ö8=pcosAL2ö8=pcos2A(L0öcosA)2ö8=pL20ö8,1,f=5pkxL4ö384BL=5pkcos2A(L0öcosA)4ö384BL=5pkL20ö384Blcos2AMs=pkL20ö8,:f=40MsL20ö384BLcos2A=5MsL2ö48BL,L,h(1ö251ö30)LL?,?21121,L0=3300mm,C20,É,13319999JOURNALOFSHANDONGINSTITUTEOFBUILDINGMATERIALS25ö3126626921q=315kNöm2,1h=120mm,L=3691mm1ö30,,(1)Ms=pkL20ö8=(616+315)3132ö8=13175kNmML=pgkL20ö8=6163132ö8=81984kNm(2)AE,Q,:AEQ=EsAsöEcbh0=(21714)ö(2551000100)=010588:Qte=AsöAce=714ö(015103120)=010119:G=1-014AEQ=0190:Rss=MsöGAsh0=(13175106)ö(019714100)=21410Nömm2:7=111-0165115öQteRss=111-0165115ö010119214=01717(3)Bs=EsAsh20(11157+012+6AEQ)=(211047141002)(111501717+012+6010588)=110891012Nmm2(4)(H=210)BL=MsBsö[ML(H-1)+Ms]=0160Bs=01651012Nmm2(5)f=5MsL2ö48BL=(51317510636912)(4801651012)=30102mm[f]=Lö200=3691ö200=18145mmf=30102mm,h=140mm,(Lö26=3691ö26=141mm):As=740mm2510@100,As=785mm2Bs=11981012Nmm2BL=111841012Nmm2f=1714mm[f]=18145mm,,h=Lö30,,h=L0ö30,,L,?121L0=3600mm,C20,É,q=210kNöm2,A=30,1,h=Lö30=3600ö3001866=140mm,1:As=75319mm2,510@110,As=785mm2Ms=141823kNm,ML=111583kNmBs=213741012Nmm2BL=113331012Nmm2f=20102mm[f]=3600ö(01866200)=20178mm,2,h=Lö30,,h=(1ö251ö30)LLL,4(1)A=30,C20,É,11,fö[f]1,h=Lö30,,1,,7623,:höL1ö301ö27,114(2)1h=Lö30Höm217310316319L0öm214217313316Löm2177311231814116qkö(kNöm2)115210215315h=Lö(30ömm)90100130140gkö(kNöm2)5176610461887116Mö(kNm)61499117816100321186Asömm247116587147401149361858@100510@125510@140U12@110Asömm25046287911017Msö(kNm)512277132612177171227MLö(kNm)4115515049136611160AEQ010593010646010592010698pte010112010126010122010145G0190301900190301894Rssö(Nömm2)16411616210216215815812970157014790160801675Bs1012ö(kNm2)014280174131160221204BL1012ö(kNm2)012385014180192411318fömm1715217175201923158[f]ömm131851515919105201785fö[f]1126111411111132h=Lö271Höm217310316319316L0öm214217313316313Löm21773112318141163169qkö(kNöm2)115210215315315h=Lö(30ömm)100115140150140gkö(kNöm2)61046146711671447116Mö(kNm)6173916216146221418137Asömm24211750719691128771674558@110510@150512@160512@125510@100Asömm2457523707905785MsökNm51437171131151717214151MLö(kNm)413551899175121059175AEQ01047010453010485010573010538pte010091010091010101010121010112G0191301915019120190401907Rssö(Nömm2)16216816916216919516615817010170144401468015320161601588Bs1012ö(kNm2)01619019811195721561198BL1012ö(kNm2)0134401556111241152611184fömm12163141041716920191714[f]ömm1318515159191052017918145fö[f]019120190101929110019432,h=Lö27,fö[f]01901110,,1ö27,,h=(1ö251ö27)L(),,,86213,,,Mmax=PL20ö10,,f1öMs1=f2öMs2f1(h=Lö30),1f2(h=Lö30)Ms1=PL20ö8,Ms2=PL20ö10f2=4ö5f1,f2ö[f]=4ö5f1ö[f]1f1ö[f]1111126,f2ö[f]01881101,,h=(1ö251ö30)L3(1)h=(1ö251ö30)LL(2),,1ö27,hh=(1ö251ö27)L(3),Mmax=PL20ö10,h=(1ö251ö30)L1LLMLPK19982KLMKPL1991TalkingAboutValueinThicknessTreadsforShapeofStripPengYaping,LiYunlan(DepartmentofCivilEngineering,SIBM,ShandongJinan250022China)AbstractInthispaper,Mathematicalanalysisformulah=(1ö251ö30)L,forthicknesstreadps,applythemath2ematicalanalysismeansofelasticinternalforce,tocalculateitpsintensityanddeflectionoftread,thereseatisthatLmustbetheextenttreadps,andinstanceequitableareafor,affordingaccordingtoeducationanddesign.Keywordstread;extentofhorizontalprojection;in2clinedextent;deflection9623,: