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1、框架结构体系设计摘要框架建筑结构是多高层建筑结构的主要类型，具有承载力和刚度大，耐久性和耐火性好可模性好等优点。本工程为框架结构体系，柱距为7.2m，跨度为6.0m，采用横向承重方案，框架中柱偏向走廊一侧。地震作用下内力和侧移的计算分析用底部剪力法和D值法，计算结果变截面处上下层柱刚度比为0.7，层间相对弹性转角均小于0.18%。横向荷载作用下内力分析用反弯点法。竖向荷载作用下内力分析用弯矩二次分配法，梁柱内力组合时需考虑地震作用效应组合。梁柱箍筋均采用HPB300热轧钢，受力钢筋根据计算需要选择HRB335以上热轧钢。地基处理用灰土挤密桩法，桩径400mm，桩间距为93
2、5mm，处理范围每边超出基础地面外边缘2m，灰土桩用振冲法施工。基础梁纵向等截面每边宽出框架柱边缘50m。条形基础内力计算用倒梁法，分布筋按构造配筋。边坡采用抗滑桩支护，抗滑桩间距6m，桩长14.5m，计算结果用理正岩土软件验算。地基强度经验算满足要求。关键词：框架结构体系；内力组合；地震作用；地基强度。第58页AbstractFramestructureisthemaintypesofhigh-risebuildings,havebearingcapacityandrigidity,durabilityandgoodcarvingwateryresistanceofgo
3、od,etc.Thisengineeringisframestructure,thecolumnisthedistance7.2m,6.0mspan,thehorizontalbearingscheme,frameworktoonesidecorridorcolumn.UndertheactionofearthquakeinternalforceandthecalculationanalysisofthelateralwithbottomshearmethodandDvaluemethod,thecalculationresultsincross-sectionofthe
4、columnstiffnessratio0.7,betweenthelayersarerelativelyflexiblerotationislessthan0.18%.Horizontalloadinternalforceanalysisusingthebendingmethod.Verticalloadwithbendingmomentforceanalysisofsecondarydistributionmethod,thecombinationofinternalforceofthecolumnshouldbeconsideredwhentheearthquake
5、effectcombination.Beam-columnstirrupisusingHPB300hot-rolledsteel,andthestructuralsteelaccordingtothecalculatedneedtochoosemorethanHRB335hot-rolledsteel.Withthefoundationtreatmentlime-soilcompactionpiles,pilediameter400mm,pilespacingfor935mm,processingrangebeyondthegroundeachsidebasedoutsi
6、deedgeof2m,plasterpilewithvibrationrushedconstructionmethod.Foundationbeamsofthelongitudinalsectionsuchaseachsideoutwideframecolumnedge50m.Internalforcecalculationbarfoundationwithpourbeammethod,distributionaccordingtothestructuralsteelreinforcement.Theslopeanti-slidepilesupporting,anti-s
7、lidepilespacing6m,thepilelength14.5m,thecalculationresultswithRichardgeotechnicalsoftwareischecked.Thefoundationstrengthisexperiencerequirements.Keywords:Framestructure;Internalforcecombination;Theearthquakeaction;Thefoundationstrength.第58页目录摘要1第一部分建筑设计31.1总平面设计31.2
