幕墙采光顶钢结构计算幕墙龙骨受力计算书

工程地点：辽宁省铁岭市基本风压：0.5KN/m2(50年)，B类场地粗糙度（计算点标高取17米）施工活荷载：0.5KN/m2玻璃及附件自重：0.8KN/m2设防烈度：7度设防，加速度为0.1g；设计地震分组：第一组；建筑场地类别：Ⅱ类；特征周期：0.4s钢索拉力以点荷载形式按活荷载加入左右两边框风荷载自重以线荷载形式加入采用规范：《建筑结构荷载规范》GB50009-2012（2012年版）《钢结构设计规范》GB50017-2003《玻璃幕墙工程技术规范》JGJ102-2003《建筑幕墙工程技术规范》JG3035-1996《建筑抗震设计规范》GB50011-2001《碳素结构钢》GB/T700《建筑钢结构焊接规程》JGJ81-91《建筑结构用冷弯矩形钢管》JG/T178-2005《混凝土结构后锚固技术规程》JGJ145—2004三、结构设计理论及材料性能参数3.1荷载计算⑴对于围护结构，作用在幕墙上的风荷载标准值按下式计算：Wk＝βgZ·μS·μZ·WO式中：Wk－作用在幕墙上的风荷载标准值（KN／m2）；βgZ－考虑瞬时风压的阵风系数（依据GB50009-2001（2012版）中的表7.5.1要求选取）μS－风荷载体型系数，（对雨篷取-2）μZ－风压高度变化系数；（依据GB50009-2012（2006版）中的表7.2.1要求选取）WO－基本风压，取0.5KN／m2。（按50年一遇风荷载考虑）对于高层建筑和重要建筑，风荷载是主要的外力作用，在建筑物的有效使用期限内，幕墙不应由于风荷载而损坏。⑵地震作用按下式计算QE＝βE·αmax·G式中：QE——作用于幕墙平面外水平地震作用（KN）；G——幕墙构件的重量（KN）；αmax——水平地震影响系数最大值，7度抗震设计取0.08；βE——动力放大系数，取5.0。（依据JGJ102-2003和JGJ133-2001要求）(3)荷载分项系数和组合系数的确定根据《建筑结构荷载规范》（GB50009---2012（2012版））及《玻璃幕墙工程技术规范》（JGJ102-2003）规定，结合本工程的地区地理环境，建筑特点以及幕墙的受力情况，各分项系数和组合系数选择如下：①强度计算时分项系数组合系数永久荷载，γG取1.2(永久荷载起控制作用时，γG取1.35)风荷载，γW取1.4风荷载，ψw取1.0地震作用，γE取1.3地震作用，ψE取0.5②刚度计算时分项系数组合系数均按1.0采用风荷载，ψW取1.0(4)荷载和作用效应按下式进行组合：S＝γGSG＋ψWγWSW＋ψEγESE式中：S——荷载和作用效应组合后的设计值；SG——重力荷载作为永久荷载产生的效应；Sw,SE——分别为风荷载，地震作用作为可变荷载产生的效应；γG,γw,γE——各效应的分项系数；ψw,ψE——分别为风荷载，地震作用效应的组合系数。3.2计算模型的选用对本工程选用钢结构采用3d3s9.0建模计算3.3材料的力学及其物理性能钢材的强度设计值(N/mm2)钢材抗拉、抗弯、抗压强度抗剪强度端面承压强度牌号厚度或直径d（mm）Q235≤1621512532516＜d≤4020512040＜d≤6020011540＜d≤60190110Q345≤16310180400二、计算简图计算简图(圆表示支座，数字为节点号)单元编号图三、几何信息各单元信息如下表：单元号截面名称长度(m)面积(mm2)绕2轴惯性矩(x104mm4)绕3轴惯性矩(x104mm4)绕2轴计算长度系数绕3轴计算长度系数小节点释放大节点释放1矩150x100x4x41.68919363296171.0005.684------2矩150x100x4x41.68919363296171.0005.684------3矩150x100x4x42.07419363296171.0004.629------4矩150x100x4x42.07419363296171.0004.629------5矩150x100x4x42.07419363296171.0004.629------6矩150x100x4x41.68919363296171.0005.684------7矩150x100x4x41.68919363296171.0005.684------8矩150x100x4x42.07419363296171.0004.629------9矩150x100x4x42.07419363296171.0004.629------10矩150x100x4x42.07419363296171.0004.629------11矩150x100x4x41.68919363296171.0005.684------12矩150x100x4x41.68919363296171.0005.684------13矩150x100x4x42.07419363296171.0004.629------14矩150x100x4x42.07419363296171.0004.629------15矩150x100x4x42.07419363296171.0004.629------16矩150x100x4x41.68919363296171.0005.684------17矩150x100x4x41.68919363296171.0005.684------18矩150x100x4x42.07419363296171.0004.629------19矩150x100x4x42.07419363296171.0004.629------20矩150x100x4x42.07419363296171.0004.629------21矩150x100x4x41.68919363296171.0005.684------22矩80x80x3x31.29292491911.0001.000RyRzRyRz23矩80x80x3x31.30292491911.0001.000RyRzRyRz24矩80x80x3x31.31192491911.0001.000RyRzRyRz25矩80x80x3x31.32092491911.0001.000RyRzRyRz26矩80x80x3x31.32892491911.0001.000RyRzRyRz27矩80x80x3x31.33692491911.0001.000RyRzRyRz28矩80x80x3x31.34492491911.0001.000RyRzRyRz29矩80x80x3x31.35292491911.0001.000RyRzRyRz30矩80x80x3x31.35992491911.0001.000RyRzRyRz31矩80x80x3x31.36692491911.0001.000RyRzRyRz32矩80x80x3x31.37392491911.0001.000RyRzRyRz33矩80x80x3x31.37992491911.0001.000RyRzRyRz34矩80x80x3x31.38592491911.0001.000RyRzRyRz35矩80x80x3x31.39192491911.0001.000RyRzRyRz36矩80x80x3x31.39792491911.0001.000RyRzRyRz37矩80x80x3x31.40292491911.0001.000RyRzRyRz38矩80x80x3x31.29292491911.0001.000RyRzRyRz39矩80x80x3x31.30292491911.0001.000RyRzRyRz40矩80x80x3x31.31192491911.0001.000RyRzRyRz41矩80x80x3x31.32092491911.0001.000RyRzRyRz42矩80x80x3x31.32892491911.0001.000RyRzRyRz43矩80x80x3x31.33692491911.0001.000RyRzRyRz44矩80x80x3x31.34492491911.0001.000RyRzRyRz45矩80x80x3x31.35292491911.0001.000RyRzRyRz46矩80x80x3x31.35992491911.0001.000RyRzRyRz47矩80x80x3x31.36692491911.0001.000RyRzRyRz48矩80x80x3x31.37392491911.0001.000RyRzRyRz49矩80x80x3x31.37992491911.0001.000RyRzRyRz50矩80x80x3x31.38592491911.0001.000RyRzRyRz51矩80x80x3x31.39192491911.0001.000RyRzRyRz52矩80x80x3x31.39792491911.0001.000RyRzRyRz53矩80x80x3x31.40292491911.0001.000RyRzRyRz54矩140x80x5x51.29221002265481.0833.095------55矩140x80x5x51.30221002265481.0753.073------56矩140x80x5x51.31121002265481.0683.051------57矩140x80x5x51.32021002265481.0613.031------58矩140x80x5x51.32821002265481.0543.012------59矩140x80x5x51.33621002265481.0482.993------60矩140x80x5x51.34421002265481.0412.976------61矩140x80x5x51.35221002265481.0362.959------62矩140x80x5x51.35921002265481.0302.943------63矩140x80x5x51.36621002265481.0252.928------64矩140x80x5x51.37321002265481.0202.913------65矩140x80x5x51.37921002265481.0152.900------66矩140x80x5x51.38521002265481.0102.887------67矩140x80x5x51.39121002265481.0062.875------68矩140x80x5x51.39721002265481.0022.864------69矩140x80x5x51.40221002265480.9992.853------70矩140x80x5x51.29221002265481.0833.095------71矩140x80x5x51.30221002265481.0753.073------72矩140x80x5x51.31121002265481.0683.051------73矩140x80x5x51.32021002265481.0613.031------74矩140x80x5x51.32821002265481.0543.012------75矩140x80x5x51.33621002265481.0482.993------76矩140x80x5x51.34421002265481.0412.976------77矩140x80x5x51.35221002265481.0362.959------78矩140x80x5x51.35921002265481.0302.943------79矩140x80x5x51.36621002265481.0252.928------80矩140x80x5x51.37321002265481.0202.913------81矩140x80x5x51.37921002265481.0152.900------82矩140x80x5x