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建筑工程技术专业毕业设计(论文)PAGEVI题目:某综合楼学号:04276138专业:建筑工程姓名:何强指导教师:陈鹏襄樊学院土木工程系摘要本设计项目是多功能用途的综合楼。左边为两层,其中底层是商场和餐厅,二层是会议厅和多功能厅;右边为四层,其中底层为办公用,二到四层为宾馆。整个楼呈T型,考虑到本设计的多功能性和大跨度性,本设计采用现浇混凝土结构,隔墙均采用混凝土加气砌块,以满足各功能房的布置灵活性要求。关键词:框架结构大跨度综合楼AbstractDesignoftheprojectisanintegratedmulti-purposeusesfloor.Leftforatwo-tierstructure,whichisthebottommallsandrestaurants,isthesecondfloorconferenceroomandmulti-purposeroom;Totherightsideofthefour-storeywhichthebottomforofficeuse,twoofthefourfloorsofthehotel.ThewholebuildingisT-shaped,takingintoaccountthedesignofamulti-functionalandlarge-span,thedesignsofcast-in-placeconcretestructure.partitionswereaeratedconcreteblocktomeetthefunctionalrequirementsofthelayoutflexibility.Keywords:FramelargespanbuildingcomplexAbstractDesignoftheprojectisanintegratedmulti-purposeusesfloor.Leftforatwo-tierstructure,whichisthebottommallsandrestaurants,isthesecondfloorconferenceroomandmulti-purposeroom;Totherightsideofthefour-storeywhichthebottomforofficeuse,twoofthefourfloorsofthehotel.ThewholebuildingisT-shaped,takingintoaccountthedesignofamulti-functionalandlarge-span,thedesignsofcast-in-placeconcretestructure.partitionswereaeratedconcreteblocktomeetthefunctionalrequirementsofthelayoutflexibility.Keywords:Framelargespanbuildingcomplex目录第一章:HYPERLINK"/subintruduce/subject/pb/youxiuzuoye/zuoye/""/subintruduce/subject/pb/youxiuzuoye/zuoye/"设计资料·························(1)1.1结构设计资料·······················(1)第二章:框架结构选型及布·····················(2)2.1结构体系选型·······················(2)2.2混凝土框架结构布置·····················(2)第三章:梁.板.柱截面尺寸设计·····················(3)3.1板截面尺寸设计·······················(3)3.2框架梁.柱尺寸设计······················(3)3.3梁.柱线刚度的计算······················(3)第四章:荷载计算·························(5)4.1恒荷载计算························(5)4.2活荷载计算·························(8)4.3风荷载计算························(9)第五章:内力计算··························(11)5.1恒荷载作用下的内力计算···················(11)5.2活荷载作用下的内力计算···················(21)5.3风荷载作用下的内力计算···················(45)第六章:内力组合··························(50)6.1第二层梁的内力组合····················(50)6.2第二层柱的内力组合·····················(51)第七章:截面设计··························(53)7.1梁的截面设计·······················(53)7.2柱的截面设计························(56)结束语·····························(59)致谢····························(60)参考文献····························(61)襄樊学院建筑工程技术专业毕业设计(论文)第69页第一章设计资料1.1结构设计资料1.1.1设计标高室内设计标高±0.000相当于绝对标高4.400m,室内外高差600mm。1.1.2墙身做法:墙身为加气混凝土砌块,M5水泥砂浆砌筑。内粉刷为混合砂浆底,纸筋灰面,厚20mm,“803”内墙涂料两度。外粉刷为1:3水泥砂浆底,厚20mm,马赛克贴面。1.1.3楼面做法:楼板厚为120线浇混凝土板,顶层为20mm厚水泥砂浆找平,5mm厚1:2水泥砂浆加“107”胶水着色粉面层;底层为15mm厚纸筋面石灰抹底,涂料两度。1.1.4屋面做法:楼板厚150线浇混凝土板,现浇楼板上铺膨胀珍珠岩保温层(檐口处厚100mm,2%自两侧檐口向中间找坡),1:2水泥砂浆找平层厚20mm,二毡三油防水层。1.1.5门窗做法:门厅处为铝合金门窗,其它均为木门,钢窗。1.1.6地质资料:属Ⅲ类建筑场地,余略。1.1.7基本风压:W0=0.35(地面粗糙度属B类)。1.1.8活荷载:屋面活荷载,综合楼楼面活荷载,走廊楼面活荷载。第第二章框架结构选型及布置2.1 结构体系选型:采用钢筋混凝土现浇结构体系屋面结构:采用钢筋混凝土现浇结构体系,不上人屋面楼面结构:采用钢筋混凝土现浇结构体系采用钢筋混凝土现浇结构基础梁基础:因荷载不是很大,地基的承载力较大采用混您个柱下基础2.2混凝土框架结构布置结构平面布置图图中阴影部分为一个计算单元,选KL-12为一个计算框架第三章.梁.板.柱截面尺寸设计3.1.板截面尺寸设计屋面采用150厚现浇混凝土双向板楼面采用120厚现浇混凝土双向板3.2.框架梁.柱尺寸设计

边跨(AB、CD)梁:取

中跨(BC)梁:取

边柱(A轴、D轴)连系梁:取b×h=300mm×600mm中柱(B轴、C轴)连系梁:取柱截面均为取b×h=400mm×400mm3.3.梁.柱线刚度的计算BD、EG跨梁i=2Ec××0.3×0.63/7.2=13.8×10-4ECBC跨梁i=2EEc××0.255×0.663/2.1==12.77×10-4Ec上部各层柱i=Ec××0.44/3=7..1×100-4Ec底层柱i=Ec××0.44/3.6=5.9×110-4Ec将梁柱线刚度标标于计算简简图中第四章.

荷载载计算4.

1.恒恒载计算4.1.1屋屋面框架梁梁线荷载标标准值:

20mmm厚水泥泥砂浆找平平

1000厚~140厚(2%找坡)膨膨胀珍珠岩岩

1550厚现浇浇钢筋混凝凝土楼板00.15××25=33.75KKN/M22

15mm厚纸筋筋面石灰抹抹底屋面恒荷载0.884+0..4+3..75+00.24==5.233KN/MM2

边跨(BDD、EG)框架架梁自重0.3×0.6×25=44.5KN/MM2

梁侧粉刷刷22×(0.6--0.1)×0.002×177=0.334KN/MM2

中跨(DEE)框架梁梁自重

梁侧粉刷刷因此,作用在屋屋顶框架梁梁上的线荷荷载为:g4BD1=gg4EG1=4.844KN/MM2g4DE1=2.7KN/MM2g4BD2=gg4EG2=5.233×3.99=20..4KN/MM2g4DE1=5.233×2.11=10..98KN/MM24.1.2.楼面框架架梁线荷载载标准值荷载计算同上(略略),作用用在中间层层框架上的的线荷载为为:25mm厚水泥泥砂浆找平平0.0225×200=0.55KN/MM2

1220厚现浇钢钢筋混凝土土楼板0..12×25=33.0KNN/M2

15mm厚纸筋筋面石灰抹抹底楼面恒荷载0.5++3+0..24=3.744KN/MM2边跨(BD、EEG)框架架梁自重及及梁侧粉刷刷4..84KN/MM2边跨填充墙自重重0.244×(3-0..6)×25==14.44KN/MM2墙面粉刷0.022×(3-0..6)×2×117=144.4KN/MM2中跨(BC)框框架梁自重重及梁侧粉刷刷2.77KN/MM2因此,作用在屋屋顶框架梁梁上的线荷荷载为:g4BD1=gg4EG1=4.844+16.003=200.87KKN/M22g4DE1=2.7KN/MM2g4BD2=gg4EG2=3.744×3.9==14.559KN/MM2g4DE1=3.744×2.11=7.885KN//M24.1.3.屋面框架架节点集中中荷载标准准值

边柱连连系梁自重重0.3××0.6××3.9××25=117.555KN

梁侧粉粉刷0.002×(0.6-00.1)××2×3..9×177=1.333KN0.9m高女儿儿墙自重0.9×0.244×3.99×17=21.006KN墙侧粉刷0.99×0.022×2×33.9×117=2.399KN

连系梁传来屋面面自重1/2×3.9××1/2××3.9××17=19.889KN顶层边边节点集中中荷载 G4B=G4G=17.555+1..33+221.066+2.339+199.89==62.222KN

中柱连连系梁自重重

梁侧粉粉刷连系梁传来屋面面自重1//2×(33.9+33.9-22.1)××1.055×5.223=188.63KKN1/22×3.99×1.995×5..23=221.866KN顶层中节点集中中荷载G4D=G4E=9.755+0.8+18.663+21.886=51.004KN4.1.4.楼面框架架节点集中中荷载标准准值(荷载计算方法同同上,具体计算算过程略)中间层边节点集集中荷载::GB=GG=188.88++1.222+19..44+22.2+99.45++1.077+12++0.822+14..22=993.522KN中间层中节点集集中荷载::GD=GE=100.55++26.116+6..36-110.588+12..82+113.222+14..22=1102.775KN4.2.活荷荷载计算活荷载作用下的的结构计算算简图如图图5所示。图图中各荷载载值计算如如下:顶层p4BD=1.55×3.99=5.885KN//Mp4DE=1.5××2.1==3.155KN/MMP4B=P4GG=1/22×3.99×1/22×1.55=5.77KN/MMP4D=P4E=1/2××(3.99+3.99-2.11)×1..5×1..05+11/4×33.9×33.9×11.5=111.044KN/MM中间层pBD=1.5××3.9==5.855KN/MMpDE=2×2..1=4..2KN//MPB=PG=1/2×33.9×11/2×11.5=55.7KNN/MPD=PE==1/2××(3.99+3.99-2.11)×1..5×1..05+11/4×33.9×33.9×11.5=111.044KN/MM恒荷载作用下的的结构计算算简图如图图4所示:活荷载作用用下的结构构计算简图图如图5所示:4.3.风荷荷载计算

风荷载载标准值计计算公式为为

因结构构高度小于于30m,可可取;对于于矩形截面面;可查荷载载规范,当当查得的时时,取。将将风荷载换换算成作用用于框架每每层节点上上的集中荷荷载,计算算过程如表表1所示。表1为一榀框框架各层节节点的受风风面积,计计算结果如如图6所示。

风荷载计算四层w4=1.0×1..3×1..09×00.35==0.4996P4=0.4996×3..0×(00.9+33/2)==4.644KN×11.4=66.5KNN三层w3=1.0×1..3×1..006××0.355=0.4458P3=0.4558×(33.0×33/2+33.0×33/2)==5.5887KN××1.4==7.822四层w2=1.0×1..3×0..88×00.35==0.4P2=0.4××(3.00×3/22+3.00×3/22)=5..024KKN×1..4=7..01四层w1=1.0×1..3×0..608××0.355=0.2277P4=0.2777×(33.0×33/2+33.0×33/2)==4.644KN×11.4=66.5风荷载作用下的的计算简图图第五章.内力计计算(荷载载设计值)5.1.恒荷荷载作用下下的内力计计算恒荷载计算简图图知,其荷荷载在梁上上分布有三三角形和梯梯形荷载两两部分组成成,在求固固端弯矩时时,须根据固端弯矩矩想等的原原则,故先先将三角形形和梯形荷荷载转化为为均布荷载载。5.1.1.屋面框架架受力计算算边跨梁::屋面板690069006900对BD跨:q==(5.23×1.22)×3.99=24..48KNN/Ma=a/ll=(3.9÷÷2)/6.99=0.228qE=(1-2×00.2822+0.2883)×24..48=221.188KN/MMqq自=4.84×1.22=5.881KN/MM即:∑恒BD==qE+q.自=21..18+55.18==26.669KN/MM对EG跨:q==(5.23×1.22)×3.99=24..48KNN/Ma=a/ll=(3.9÷÷2)/7.88=0.225qE=(1-2×00.2522+0.253)×24..48=221.799KN/MMqq自=4.84×1.22=5.881KN/MM即:∑恒EG==qE+q.自=21..79+5..18=227.6KN/MM中跨梁:qqqEq=(5.23×1..2)×2.11=13..18KNN/Mq自=2.7×11.2=33.24KKN/MqE=5/8××13.118=8..24KNN/M即:∑恒BD==qE+q.自=8.244+3.224=111.48KN/MM5.1.2楼面框架架梁受力计计算边框框梁:对BDD跨:q=(3.744×1.22)×3.99=17..5KN//Ma=a/l=(3.9÷÷2)/6.99=0.228qE=(1-2×00.2822+0.2883)×17..5=155.14KKN/Mq墙=16.003×1..2=199.24KN/MM即:∑恒BD==qE+q.自+q墙=15.114+5..18+119.244=40..2KN/MM对EG跨:q==(3.744×1.22)×3.99=17..5KN//Ma=a/ll=(3.9÷÷2)/7.88=0.225qE=(1-2×00.2522+0.253)×17..5=155.58KKN/Mq自=4.84×1.22=5.881KN/MM即:∑恒EG==qE+q.自+q墙=15.558+5..81+119.244=40..63KN/MM中跨梁:q=(3.744×1.22)×2.11=9.442KN//Mq自=2.7×11.2=33.24KKN/MqE=5/8××9.422=5.889KN//M即:∑恒BD==qE+q.自=5.899+3.224=9.133KN/MM5.1.3.各框架节节点的集中中力设计值值屋面面:G4B=GG4G=622.22×1.22=74..66KNNG4D=GG4E=511.04××1.2==61.225KN楼面:GB=GG=93..52×11.2=774.666KNGD=GE=1022.75××1.2==123..3KN5.1.4.由由以上计算算值可绘出出转化后的的等效荷载载计算简图图5.1.5.恒恒荷载作用用下的弯矩矩计算1.梁的固端端弯矩Mab=-1/112ql22Mba=1/122ql2MB4D4=-11/12×26..99×66.92=-1077.08KKN.MMD4BB4==107..08KNN.MMB4D4=-11/12×11..48×22.12=-4.222KN..MMD4BB4==4.222KN.MMMB4D4=-11/12×27..6×7..82=-1399.93KKN.MMMD4BB4==139..93KNN.MMB3D3=MMB2D22=MB1DD1=-1/112×40..2×6..92=-1599.49KKN.MMD3B3=MD2B2=MD1B1=159..49KNN.MMD3E3=MMD2E22=MD1EE1=-1/112×9.113×2..12=-3.335KN..MMD3E3=MMD2E22=MD1EE11=3.355KN.MMME3G3=MEE2G2=ME1G1=-1/112×40..63×77.82=-2055.99KKN.MMG3E3=MMG2E22=MG1EE1=205..99KNN.M2.弯矩分配配法由于结构基本对对称,在竖竖向荷载作作用下的框框架侧移可可忽略不计计,即可采采用弯矩分分配法先由μijj=sij/∑ij求弯矩分分配系数再有数据来计算算各弯矩3.梁的跨中中弯矩计算算L中B4D4=(6..99×66.92/8-(56.995+822)/2=662.277L中D4E4=(111.488×2.112/8-(54.552+377.43)/2=--39.663L中 E4G4=(277.68××7.822)/8-(110..75+774.5)/2=1112.66L中B3D3=(440.2××6.922)/8-(113..43+1129.884)/2=1117.889L中D3E3=(99.13××2.122)/8-(56.888+355.4)/2=--41.111L中E3G3=(400.63××7.822)/8-(146..94+1174.33)/2=1148.337L中B2D2=(440.2××6.922)/8-(114..83+1130.995)/2=1116.335L中D2E2=(99.13××2.122)/8-(54.443+333.92)/2=--39.115L中 E2G2=(400.63××7.822)/8-(174..46+1148.338)/2=1147.557L中B1D1=(440.2××6.922)/8)-(125..18+1100.884)/2=1126.223L中 D1E1=(99.13××2.122)/8-(62.779+400.23)/2=--46.448L中E1D1=(440.633×7.882)/8-(167..28+1130.554)/2=1160.008根据以上弯矩结结果做弯矩矩图.如下4.恒载作用用下的剪力力计算梁的剪力力计算Q左=(M左-M右)/l+qll/2Q右=(M左-M右)/l-qll/2LB4D4Q左=(56.995-822)/6.99+26..99×66.9/22=89..49Q右=(56.995-822)/6.99-26..99×66.9/22=-966.75LD4E4QQ左=(37.443-544.25)/2.11+11..43×22.1/22=3.445Q右=(37.443-544.25)/2.11-11..43×22.1/22=-200.55LE4G4QQ左=(110..75-774.5)/7.88+40..2×7..8/2==125..77Q右=(110..75-774.5)/7.88-40..2×7..8/2==-99..51LB3D3QQ左=(113..43-1129.884)/6.99+40..2×6..9/2==130..48Q右=(113..43-1129.884)/6.99-40..2×6..9/2==146..9LD3E3Q左=(35.44-56..88)/2.11+9.113×2..1/2==1.155Q右=(35.44-56..88)/2.11-9.113×2..1/2==-20..33LE3G3Q左=(174..43-556.888)/7.88+40..63×77.8/22=1611.97Q右=(174..43-556.888)/7.88-40..63×77.8/22=-1554.9LB2D2Q左=(113..43-1130.995)/6.99+40..2×6..9/2==136..35Q右=(113..43-1130.995)/6.99-40..2×6..9/2==-1411.03LD2E2Q左=(33.992-544.43)/2.11+9.113×2..1/2==0.188Q右=(33.992-544.43)/2.11-9.113×2..1/2==-19..36LE2G2Q左=(174..46-1148.338)/7.88+40..63×77.8/22=1611.89Q右=(174..46-1148.338)/7.88-40..63×77.8/22=-1555.033LB1D1Q左=(100..84-1125.118)/6.99+40..2×6..9/2==135..16Q右=(100..84-1125.118)/6.99-40..2×6..9/2==-1422.22LD1E1Q左=(40.223-622.79)/2.11+9.113×2..1/2==1.155Q右=(40.223-622.79)/2.11-9.113×2..1/2==-20..33LE1D1Q左=(167..28-1130.554)/7.88+40..63×77.8/22=1633.17Q右=(167.28--130..54)/7.88-40..63×77.8/22=-1553.755根据以上剪力结结果绘制剪剪力图.如下5.计算算各柱的轴轴力轴力是各柱的剪剪力叠加与与各节点的的集中力之之和对B轴FB4BB3=84.449+744.66==159..15FFB3B22=159..15+1130.448+1112.222=4011.85FFB2B11=401..85+1136.335+1112.222=6500.42FFB1B=650..42+1135.116+1112.222=8977.8对D轴FD4D33=3.455+61..25+996.755=1611.45FFD3D22=161..45+664.7++1.155+1466.9+1123.33=4322.8FD2D11=432..8+0..18+1141.003+1223.3==697..06FD2D11=697..06+++1.155+1233.3+1142.222=9663.988对E轴FE4E33=20.555+744.66++125..77=2207.557FE3E22=207..57+220.333+1233.3+1161.997=5113.177FE2E1=5113.177+19..63+1123.33+1611.98==818..08对G轴FG4G33=99.551+744.66==174..17FFG3G2=174..17+1154.995+1112.222=4411.34FG2G1=4411.34++155..03+1112.222=7008.599FG2G1=7088.59++153..75+1112.222=9774.566根据以上轴力结结果绘制轴轴力图..如下5.2.活荷荷载作用下下的内力计计算5.2.1.屋面框架架受力计算算(将梯形形荷载和三三角荷载转转化为均布布荷载)边跨梁:屋面板690069006900对BD跨:q==5.855×1..4×=88.19KKN/Ma=a/ll=(3.9÷÷2)/6.99=0.228qE=(1-2×00.2822+0.2883)×8.119=7..09N//M对EG跨:q==5.855×1.44=8..19KNN/Ma=a/ll=(3.9÷÷2)/7.88=0.225qE=(1-2×00.2522+0.253)×4.441=7..29KNN/M中跨梁:qqqEq=3.15×1..4=4..41KNN/MqE=5/8×44.41==2.766KN/MM5.2.2楼楼面框架梁梁受力计算算边框框梁:对BD跨:q==5.855×1.44=8.119KN//Ma=a/ll=(3.9÷÷2)/6.99=0.228qE=(1-2×00.2822+0.2883)×8.119=7..09KNN/M对EG跨:q==5.855×1.44=8.119KN//Ma=a/ll=(3.9÷÷2)/7.88=0.225qE=(1-2×00.2522+0.253)×8.119=7..29KNN/M中跨梁:q=2.211×1.44×2=55.88KKN/MqE=5/8×55.88==3.688KN/MM5.2.3.各各框架节点点的集中力力设计值屋面面:P4B=P4G=5..7×1..4=7..98KNNP4D=P4E=111.4×11.4=115.966KN楼面:PB=PG=5.77×1.44=7.9986KNNPD=PE=11..69×11.4=116.377KN由以上计算值绘绘制活荷载载计算图.如下5.2.4.活荷载作作用下的弯弯矩计算1.当活荷载载分布在BD跨和EG跨时1.1.梁的固端端弯矩Mab=-1/112ql22Mba=1/122ql2MB4D4=-11/12×7.009×6..92=-28..13KNN.MMD4BB4==28.113KN..MME4G4=-1//12×7.009×7..82=-35..95KNN.MMMG4E44==35.995KN..MMB3D3=MMB2D22=MB1DD1=-1/112×7.229×6..92=-28..92KNN.MMD3B3=MD2B2=MD1B1=28.992KN..MME3G3=MEE2G2=ME1G1=-1/112×7.229×7..82=-36..96KNN.MMG3E3=MMG2E22=MG1EE1=36.996KN..M1.2.弯矩分配配法由于结构基本对对称,在竖竖向荷载作作用下的框框架侧移可可忽略不计计,即可采采用弯矩分分配法先由μijj=sij/∑ij求弯矩分分配系数再有数据来计算算各弯矩1.3.梁的跨中中弯矩计算算L中B4D4=(7..09×66.92/8-(13.995+200.45)/2=224.999L中D4E4=-(9.244+13..64)/2=--11.444L中 E4G4=(7..09×77.82)/8-(27.335+177.93)/2=331.288L中B3D3=(77.29××6.922)/8-(21.336+233.69)/2=220.855L中D3E3=-(5.777+9.007)/2=--7.422L中E3G3=(7..29×77.82)/8-(31.223+277.29)/2=226.188L中B2D2=(77.29××6.922)/8-(20.554+233.11)/2=221.555L中D2E2=-(6.111+9.224)/2=--7.688L中 E2G2=(7..29×77.82)/8-(31.005+266.29)/2=226.777L中B1D1=(77.29××6.922)/8-(18.334+222.49)/2=222.977L中 D1E1=-(6.833+4.662)/2=--5.733L中E1D1=(77.29××7.822)/8-(17.335+233.44)/2=335.044根据以上弯矩结结果做弯矩矩图.如下]1.4.活荷载在BD,EG作用下的的剪力计算算梁的剪力力计算Q左=(M左-M右)/l+qll/2Q右=(M左-M右)/l-qll/2LB4D4Q左=(13.995-200.45)/6.99+7.009×6..9/2==23.552Q右=(13.995-200.45)/6.99-7.009×6..9/2==-25..4LD4E4QQ左=Q右=(9.244-13..64)/2.11=-2..1LE4G4QQ左=(27.335-177.93)/7.88+7.009×7..8/2==28.886Q右=(27.335-177.93)/7.88-7.009×7..8/2==-26..44LB3D3QQ左=(21.336-233.69)/6.99+7.229×6..9/2==24.881Q右=(21.336-233.69)/6.99-7.229×6..9/2==-25..49LD3E3Q左=Q右=(5.777-9.007)/2.11=-1..57LE3G3Q左=(31.223-277.29)/7.88+7.229×7..8/2==28.996Q右=(31.223-277.29)/7.88-7.229×7..8/2==-27..8LB2D2Q左=(20.554-233.11)/6.99+7.229×6..9/2==24.778Q右=(20.554-233.11)/6.99-7.229×6..9/2==25.442LD2E2Q左=Q右=(6.111-9.224)/2.11=-1..49LE2G2Q左=(31.005-266.29)/7.88+7.229×7..8/2==29.004Q右=(31.005-266.29)/7.88-7.229×7..8/2==27.882LB1D1Q左=(18.334-222.49)/6.99+7.229×6..9/2==24.555Q右=(18.334-222.49)/6.99-7.229×6..9/2==-25..75LD1E1Q左=Q右=(6.833-4.662)/2.11=2.221LE1D1Q左=(17.335-233.44)/7.88+7.229×7..8/2==29.221Q右=(17.335-233.44)/7.88-7.229×7..8/2==-27..65根据以上剪力结结果绘制剪剪力图.如下1.5.计算各柱柱的轴力轴力是各柱的剪剪力叠加与与各节点的的集中力之之和根据以上轴力结结果绘制轴轴力图..如下2..当活荷载载分布在BD跨和DE跨时2.1.梁的固端端弯矩Mab=-1/112ql22Mba=1/122ql2MB4D4=-11/12×7.009×6..92=-28..13KNN.MMD4BB4==28.113KN..MME4G4=-1//12×2.776×2..12=-1.001KN..MMG4E44==1.011KN.MMMB3D3=MMB2D22=MB1DD1=-1/112×7.229×6..92=-28..92KNN.MMD3B3=MD2B2=MD1B1=28.992KN..MMD3E3=MMD2E22=MD1E1=-1/112×3.668×2..12=-1.335KN..MME3D3=MME2D22=ME1DD1=1.355KN.MM2.2.弯矩分配配法由于结构基本对对称,在竖竖向荷载作作用下的框框架侧移可可忽略不计计,即可采采用弯矩分分配法先由μijj=sij/∑ij求弯弯矩分配系系数再有数据来计算算各弯矩2.3.梁的跨中中弯矩计算算L中B4D4=(7..09×66.92/8-(13.888+233.54)/2=447.022L中D4E4=(22.76××2.122)/8-(14.004+2..52)/2=--6.244L中 E4G4=-(11.74++0.077/2=--0.844L中B3D3=(77.29××6.922)/8-(21.224+266.11)/2=445.822L中D3E3=(33.68××2.122)/8-(10.668+0..71)/2=--2.988L中E3G3=-(00.25++0.122)/2=--0.077L中B2D2=(77.29××6.922)/8-(20.777+255.98)/2=445.999L中D2E2=(33.68××2.122)/8-(10.779+0..71)/2=--3.033L中 E2G2=-(00.24++0.122)/2=--0.066L中B1D1=(77.29××6.922)/8-(18.223+255.07)/2=446.8L中 D1E1=(33.68××2.122)/8-(11.996+2..04)/2=--2.955L中E1D1=-(1.1++0.122)/2=--0.499根据以上弯矩结结果做弯矩矩图.如下2.4.活荷载在BD,DE作用下的的剪力计算算梁的剪力力计算Q左=(M左-M右)/l+qll/2Q右=(M左-M右)/l-qll/2LB4D4Q左=(13.888-255.54)/6.99+7.009×6..9/2==23.775Q右=(13.888-255.54)/6.99-7.009×6..9/2==-26..55LD4E4QQ左=(14.004-2..52)/2.11+2.776×2..1/2==8.399Q右=(14.04-22.52)/2.11-2.776×2..1/2==2.599LE4G4QQ左=Q右=(1.711-0.007)/7.88=0.221LB3D3QQ左=(21.224-266.11)/6.99+7.229×6..9/2==24.444Q右=(21.224-266.11)/6.99-7.229×6..9/2==-25..86LD3E3Q左=(10.668-0..71)/2.11+3.668×2..1/2==8.433Q右=(10.68-00.71)/2.11-3.668×2..1/2==1.077LE3G3Q左=Q右=(0.255-0.112)/7.88=0.002LB2D2Q左=(20.777-255.98)/6.99+7.229×6..9/2==24.339Q右=(20.777-255.98)/6.99-7.229×6..9/2==-26..91LD2E2Q左=(10.779-0..71)/2.11+3.668×2..1/2==8.666Q右=(10.79-00.71)/2.11-3.668×2..1/2==1.122LE2G2Q左=Q右=(0.244-0.112)/7.88=0.002LB1D1Q左=(18.223-255.07)/6.99+7.229×6..9/2==24.116Q右=(18.223-255.07)/6.99-7.229×6..9/2==-26..14LD1E1Q左=(18.223-255.07)/6.99+7.229×6..9/2==24.116Q右=(18.23-225.077)/6.99-7.229×6..9/2==1.044LE1G1Q左=Q右=(1.1--0.122)/7.882=0..13根据以上剪力结结果绘制剪剪力图.如下2.5.计算各柱柱的轴力轴力是各柱的剪剪力叠加与与各节点的的集中力之之和根据以上轴力结结果绘制轴轴力图..如下3..当活荷载载分布在DE跨和EG跨时3.1.梁的固端端弯矩Mab=-1/112ql22Mba=1/122ql2MD4E4=-11/12×3.668×2..12=-1.001KN..MMD4EE4==1.011KN.MMME4G4=-1//12×7.009×7..82=-35..95KNN.MMMG4E44==35.995KN..MMD3E3=MMD2E22=MD1E11=-1/112×3.668×2..12=-1.335KN..MME3D3=MME2D22=ME1DD1=1.355KN.MMME3G3=MEE2G2=ME1G1=-1/112×7.229×7..82=-36..96KNN.MMG3E3=MMG2E22=MG1EE1=36.996KN..M3.2.弯矩分配配法由于结构基本对对称,在竖竖向荷载作作用下的框框架侧移可可忽略不计计,即可采采用弯矩分分配法先由μijj=sij/∑ij求弯矩分分配系数再有数据来计算算各弯矩3.3.梁的跨中中弯矩计算算L中B4D4=-(00.07++2.355)/2=11.14L中D4E4=(22.76××2.122)/8-(3.444+17..74)/2=88.67L中 E4G4=-(77.09××7.822)/8-(29.888+177.76)/2=447.866L中B3D3=-(0.122+1.55)/2=00.69L中D3E3=(33.68××2.122)/8-(2.822+13..47)/2=--7.277L中E3G3=(7..29×77.82)/8-(33.222+277.18)/2=552.422L中B2D2=-(0.122+1.55)/2=00.69L中D2E2=(33.68××2.122)/8-(2.822+13..47)/2=77.37L中 E2G2=(7..29×77.82)/8-(33.007+266.14)/2=551.977L中B1D1=-(0.122+1.556)/2=00.72L中 D1E1=(33.68××2.122)/8-(2.933+15)/2=88.05L中E1D1=(77.29××7.822)/8-(31.99+23..33)/2=551.155根据以上弯矩结结果做弯矩矩图.如下3.4.活荷载在DE,EG作用下下的剪力计计算梁的剪力力计算Q左=(M左-M右)/l+qll/2Q右=(M左-M右)/l-qll/2LB4D4QQ左=Q右=(0.077-2.335)/6.99/2=--0.333LD4E4QQ左=(3.444-17..74)/2.11+2.776×2..1/2==-3.777Q右=(3.44-177.74)/2.11-2.776×2..1/2==-9.557LE4G4QQ左=(29.998-177.76)/7.88+7.009×7..8/2==29.222Q右=(29.98-117.766)/7.88-7.009×7..8/2==-26..08LB3D3Q左=Q右=(0.122-1.55)/6.99=-0..2LD3E3Q左=(2.822-13..33)/2.11+3.668×2..1/2==-1.114Q右=(2.82-133.33)/2.11-3.668×2..1/2==-8.886LE3G3Q左=(33.222-277.18)/7.88+7.229×7..8/2==29.112Q右=(33.22-227.188)/7.88-7.229×7..8/2==-27..66LB2D2Q左=Q右=(0.122-1.55)/6.99=-0..2LD2E2Q左=(2.822-13..47)/2.11+3.668×2..1/2==-1.339Q右=(2.82-133.47)/2.11+3.668×2..1/2==-8.775LE2G2Q左=(33.007-266.14)/7.88+7.229×7..8/2==29.332Q右=(33.07-226.144)/7.88-7.229×7..8/2==-27..54LB1D1Q左=Q右=(0.122-1.556)/6.99/2=--0.211LD1E1Q左=(2.933-15)/6.99+3.668×2..1/2==-1.886Q右=(2.93-155)/6.99-3.668×2..1/2==-9.661LE1G1Q左=(31.99-23..33)/7.88+7.229×7..8/2==29.553Q右=(31.9-233.33)/7.88-7.229×7..8/2==-27..33根据以上剪力结结果绘制剪剪力图.如下3.5.计算算各柱的轴轴力轴力是各柱的剪剪力叠加与与各节点的的集中力之之和根据以上轴力结结果绘制轴轴力图..如下4.当活荷载载分布在DE跨时4.1.梁的固端端弯矩Mab=-1/112ql22Mba=1/122ql2MD4E4=-11/12×3.668×2..12=-1.001KN..MMD4EE4==1.011KN.MMMD3E3=MMD2E22=MD1E11=-1/112×3.668×2..12=-1.335KN..MME3D3=MME2D22=ME1DD1=1.355KN.MM4.2.弯矩分配配法由于结构基本对对称,在竖竖向荷载作作用下的框框架侧移可可忽略不计计,即可采采用弯矩分分配法先由μijj=sij/∑ij求弯矩分分配系数再有数据来计算算各弯矩4.3.梁的跨中中弯矩计算算L中B4D4=-(00.07++0.455)/2=00.19L中D4E4=(22.76××2.122)/8-(0.799+0.99)/2=11.52L中 E4G4=-(00.45++0.077)/2=--0.199L中B3D3=-(0.122+0.445)/2=00.17L中D3E3=(33.68××2.122)/8-(1.155+1.115)/2=22.01L中E3G3=-(00.46++0.122)/2=--0.177L中B2D2=-(0.466+0.112)/2=00.17L中D2E2=(33.68××2.122)/8-(1.155+1.115)/2=22.01L中 E2G2=-(00.46++0.122)/2=--0.177L中B1D1=-(0.122+0.551)/2=00.2L中 D1E1=(33.68××2.122)/8-(1.111+1.111)/2=22.01L中E1D1=-(0.511+0.112)/2=--0.2根据以上弯矩结结果做弯矩矩图.如下4.4.活荷载在BD,DE作用下的的剪力计算算梁的剪力力计算Q左=(M左-M右)/l+qll/2Q右=(M左-M右)/l-qll/2LB4D4Q左=Q右=(0.077-0.445)/6.99=-0..06LD4E4QQ左=(0.799-0.779)/2.11+2.776×2..1/2==2.9Q右=(0.79-0..79)/2.11-2.776×2..1/2==-2.99LE4G4Q左=Q右=(0.455-0.007)/7.88=0.005LB3D3Q左=Q右=(0.122-0.446)/6.99=-0..05LD3E3Q左=(1.155-1.115)/2.11+3.668×2..1/2==3.688Q右=(1.15-1..15)/2.11-3.668×2..1/2==-3.668LE3G3Q左=Q右=(0.466-0.112)/7.88=0.004LB2D2Q左=Q右=(0.122-0.446)/6.99=-0..05LD2E2Q左=(1.155-1.115)/2.11+3.668×2..1/2==3.866Q右=(1.15-1..15)/2.11-3.668×2..1/2==-3.886LE2G2Q左=Q右=(0.466-0.112)/7.88=0.004LB1D1Q左=Q右=(0.122-0.551)/6.99=-0..06LD1E1Q左=(1.111-1.111)/6.99+3.668×2..1/2==3.866Q右=(1.11-1..11)/6.99-3.668×2..1/2==-3.886LE1G1Q左=Q右=(0.511-0.112)/7.88=0.005根据以上剪力结结果绘制剪剪力图.如下4.5.计算各各柱的轴力力轴力是各柱的剪剪力叠加与与各节点的的集中力之之和根据以上轴力结结果绘制轴轴力图..如下5.3.风荷荷载作用下下的内力计计算由于结构层数为为四层,而而且梁,柱柱的线刚度度相对较大大,故风荷荷载的内力力计算可采采用反弯点点法。2..3.4层层的反弯点点位于框架架柱的中点点,底层反反弯点位于于距支座处处的2h/3处5.3.1计计算各层剪剪力1.底层柱的的剪力V1=F1+F2+F3+F4=6.55+7.882+7..01+44.54==25.887KN底层柱的的线刚度均均为5.9EEC即各层柱的剪力力V11=V12=V13=V14=5.9/(5.9×4)×25..87=66.47KN2.二层柱的的剪力V2=FF2+F3+F4=6.55+7.882+7..01+==21.333KN二层柱的的线刚度均均为7.1EEC即各层柱的剪力力V21=V22=V23=V24=7.1/(7.1×44)×21..33=55.33KN3.三层柱的的剪力V3=F3+F4=6.55+7.882=144.32KKN三层柱的线线刚度均为为7.1EEC即各层柱的剪力力V31=V32=V33=V34=7.1/(7.1×44)×14..32=33.58KKN4.四层柱的的剪力V4=F4=6.55KN四层柱的的线刚度均均为7.1EEC即各层柱的剪力力V41=V42=V43=V44=7.1/(7.1×44)×6.55=1.663KN5.3.2.计计算各弯矩矩1.柱端端的弯矩对于底层:上M1上=hV11/3=6.47×1/33×3.66=7.776KN..M下M1下=2hV11/3=6.47×2/33×3.66=15..52KNN.M二层M2上=M2下=hV21/2=5.333×1/22×3.00=8.00KN.MM三层M3上=M3下=hV31/2=3.588×1/22×3.00=5.337N.MM2.计算各梁梁的弯矩M4BD=2.445KN..MM42L=13..8/(13.88+12..7)×2.445=1..28M42R=12..7/(13.88+12..7)×2.445=1..17M43L=12..7/(13.88+12..7)×2.445=1..17M43R=13..8/(13.88+12..7)×2.445=1..28M3BD=2.445+5..37=77.82KKN.MM32L=13..8/(13.88+12..7)×7.882=4..07M32R=12..7/(13.88+12..7)×7.882=3..75M33L=12..8/(13.88+12..7)×7.882=3..75M33R=13..8/(13.88+12..7)×7.882=4..07M2BD=8+55.37==13.337KN..MM22L=13..8/(13.88+12..7)×13..37=66.96M22R=12..7/(13.88+12..7)×13..37=66.41M23L=12..7/(13.88+12..7)×13..37=66.41M23R=13..8/(13.88+12..7)×13..37=66.96M1BD=8+77.76==15.776KN..MM12L=13..8/(13.88+12..7)×15..76=88.21M12R=12..7/(13.88+12..7)×15..76=77.55M13L=12..7/(13.88+12..7)×15..76=77.55M13R=13..8/(13.88+12..7)×15..76=88.21根据以上结果绘绘制风荷载载作用下的的弯矩.如下图5.3.3.计算各梁梁的剪力四层Q4BD=(2.455+1.228)/6.99=0.554Q4DE=(1.177+1.117)/2.11=1.111Q4EG=(3.455+1.225)/7.88=0.448三层Q3BD=(7.822+4.007)/6.99=1.772Q3DE=(3.755+3.775)/2.11=3.557Q3EG=(4.077+7.882)/7.88=1.552二层Q2BD=(13.333+6..96)/6.99=2.994Q2DE=(6.411+6.441)/2.11=6.11Q2EG=(6.966+13..33)/7.88=2.66一层Q1BD=(15.552+7..76)/6.99=3.337Q1DE=(7.555+7.555)/2.11=7.119Q1EG=(15.552+7..76)/7.88=2.998根据以上结果绘绘制剪力图.如下5.3.4.由剪力力图得轴力力图轴力是剪力叠加加之和第六章.内力组组合

根据内内力计算结结果,即可可进行框架架各梁柱各各控制截面面上的内力力组合,其其中梁的控控制截面为为梁端、柱柱边及跨中中。由于不不对称性,每每层有9个控制截截面,即图图14中的1、2、3、4、5、6、7、8、9号截面;柱柱则分为边边柱和中柱柱(即B柱、D柱),每每个柱每层层有两个控控制截面,以以图14中第二层层为例,控控制截面为为3、4号截面。如如下图第二层梁内力组合合6.2第二层层柱内力组组合第七章.截面设设计7.1.梁的的设计以第二层梁为例例,其最不不利的组合合内力对BD跨跨MB右=-1344.6KNN.MM中=162..34KNN.MMD左=-1344.6KNN.MVB右=161..64KN.MMVVD右=-1677.94KN.MM对DE跨MD右==-44..71KNN.MM中=-46..83KNN.MME左=-72..31KNN.MVD右=8.844KN.MMVVE右=-32..72KNN.M对EG跨ME右==-2077.53KKN.MM中=199..5KN..MMMG左=-1844.03KKN.MVE右=191..21KNN.MVG右=-1822.85KKN.M7.1.1正正截面强度度计算:

梁的截截面尺寸为为300mmm×600mmm。

C200时,梁的的混凝土保保护层最小小厚度为330mm。

故设aas=30mmm,则,h0=600--30=5570mmm。

对于梁梁端,不考考虑现浇混混凝土板的的作用。

梁端BB:as=m/(a1fcbbh02)=1622.34×106/(1..0×9..6×3000×57702)=0..14§§=1-(1-2as)1/2=1-(11-2×00.1444)1/2=0.1556<§b=0.555(满足足要求)ys=「1+(1--2as)1/2」/2=「1+(1-22×0.1144)1/2」/2=0..922As=m/(fyyh0)=162..34×106/(0..922××300××570))=8533.7m㎡㎡

选用3320,。As=941mmm2

梁端DD左:计算公公式同上,计计算过程略略。计算结结果:

选用3322,。As=11400mm2对于梁中截面,考考虑混凝土土现浇板翼翼缘受压,按T形梁计算。

翼缘计计算宽度取取b′f=l0/3=69900/33=23000fcb′fh′f(h0-h′/2)=9.66×23000×1220×(5570-1120/22)=13351.33×1066﹥162..31×1106属于第一类型的的T形截面。as=m/(a1fcbb′h02)=1622.3×1106/(1..0×9..6×23300×55702)=0..023§=1-(1--2as)1/2=1-(11-2×00.0233)1/2=0.0223<§b=0.555(满足足要求)ys=「1+(1-2aas)1/2」/2=「1+(1-22×0.0023)1/2」/2=0..989As=m/(fyyh0)=§b′fh0fc/fyfc=0.0223×23300×570×9.6//300==964..9选用322,。As==11400mm2梁端D右:计算算公式同上上,计算过过程略。计计算结果::选用312,。As==339mmm2对于梁中截面,考考虑混凝土土现浇板翼翼缘受压,按T形梁计算。

翼缘计计算宽度取取b′f=l0/3=21100/33=7000fcb′fh′f(h0-h′/2)=9.66×7000×1200×(5770-1220/2))=4411.26××106﹥44.771×1006属于第一类型的的T形截面。as=m/(a1fcbb′h02)=46..83×1106/(1..0×9..6×7000×57702)=0..021§=1-(1--2as)1/2=1-(11-2×00.0211)1/2=0.0221<§b=0.555(满足足要求)As=m/(fyyh0)=§b′fh0fc/fyfc=0.0211×700×570×9.6//300==268..1选用312,。As==339mmm2梁端E左:计算算公式同上上,计算过过程略。计计算结果::选用314,。As==461mmm2梁端E右:计算算公式同上上,计算过过程略。计计算结果::选用325,。As==14733mm2梁端EG跨中::对于梁中中截面,考考虑混凝土土现浇板翼翼缘受压,按T形梁计算。计算公式同上,计计算过程略略。计算结结果梁端G右:计算算公式同上上,计算过过程略。计计算结果::选用322,。As==11400mm27.1.2斜斜截面强度度计算

取较大大设计剪力力V=-1677.94kN。

验算截截面尺寸hw=h0=6000-3000=5700hw/b=5570/3300=11.9﹤40.225BCfcbh0=0.255×1.0×9.6×300×570==410..4×103﹥167..94×1103(截面符符合要求)

验算是是否需要计计算配置箍箍筋0.7ftbhh0=0.7×1.1×300×570==131..67×103﹤167..94×1103故需要配配置箍筋。HYPERLINK"mailto:若选用φ8@200"若选用φ8@2200,0.77ftbh0+1.255fyvh0Asv/s==0.7×1.1×300×570++1.255×2

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