单层工业厂房结构吊装施工组织设计.pdf

最新可编辑 word 文档装配式钢筋混凝土单层工业厂房的结构件有柱、基础梁、吊车梁、连系梁、托架、屋架、天窗架、屋面板、墙板及支撑等。构件的吊装工艺有绑扎、吊升、对位、临时固定、校正、最后固定等工序。在构件吊装之前，必须切实做好和各项准备工作，包括场地清理，道路的修筑，基础的准备，构件的运输、就位、堆放、拼装加固、检查清理、弹线编号以及吊装机具的装备等。6.3.1.1柱的吊装（1）基础的准备柱基施工时，杯底标高一般比设计标高低（通常代5cm），柱在吊装前需对基础杯底标高进行一次调整（或称找平）。调整方法是测出杯底原有标高（小柱测中间一点，大柱测四个角点），再量出柱脚底面至牛腿面的实际长度，计算出杯底标高调整值，并在杯口内标出，然后用 1：2 水泥砂浆或细石混凝土将杯底找平至标志处。例如，测出杯底标高为-1.20m，牛腿面的设计标高是7.80m，而柱脚至牛腿面的实际长度为 8.95m，则杯度标高调整值h（7.801.20）8.950.05m。此外，还要在基础杯口面上弹出建筑的纵、横定位轴线和柱的由装准线，作为柱对位、校正的依据（图6.21）。柱子应在柱身的三个面上弹出吊装准线（图 6.22）。柱的吊装准线应与基础面上所弹的吊装最新可编辑 word 文档准线位置相适应。对矩形截面柱可按几何中线弹吊装准线；对工字形截面柱，为便于观测及避免视差，则应靠柱边弹吊装准线。图 6.21基础的准线图 6.22柱的准线1-基础顶面线；2-地坪标高线；3-柱子中心线；4-吊车梁对位线；5-柱顶中心线（2）柱的绑扎柱的绑扎方法、绑扎位置和绑扎点数，应根据柱的形状、长度、截面、配筋、起吊方法和起重机性能等因素确定。由于柱起吊时吊离地面的瞬间由自重产生的弯矩最大，其最合理的绑扎点位置，应按柱子文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 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文档产生的正负弯矩绝对值相等的原则来确定。一般中小型柱（自重13t以下）大多数绑扎一点；重型柱或配筋少而细长的柱（如抗风柱），为防止起吊过程中柱的断裂，常需绑扎两点甚至三点。对于有牛腿的柱，其绑扎点应选在牛腿以下200mm处；工字形断面和双肢柱，应选在矩形断面处，否则应在绑扎位置用方木加固翼缘，防止翼缘在起吊时损坏。根据柱起吊后柱身是否垂直，分为斜吊法和直吊法，相应的绑扎方法有如下两种。斜吊绑扎法当柱平卧起吊的抗弯强度满足要求时，可采用斜吊绑扎法（图6.23）。此法的特点是柱不需翻身，起重钩可低于柱顶，当柱身较长，起重机臂长不够时，用此法较方便，但因柱身倾斜，就位对中比较困难。图 6.23柱的斜吊绑扎法文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 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ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3最新可编辑 word 文档1-吊索；2-活络卡环；3-柱；4-滑车；5-方木直吊绑扎法当柱平卧起吊的抗弯强度不足时，吊装前需先将柱翻身后再绑扎起吊，这时就要采取直吊绑扎法（图 6.24）。此法吊索从柱子两侧引出，上端通过卡环或滑轮挂在铁扁担上，柱身成垂直状态，便于插入杯口，就位校正。但由于铁扁担高于柱顶，须用较长的起重臂。此外，当柱较重较长、需采用两点起吊时，也可采用两点斜吊和直吊绑扎法（图 6.25）（3）柱的吊升方法根据柱在吊升过程中的特点，柱的吊升可分为旋转法和滑行法两种。对于重型柱还可采用双机拾吊的方法。旋转法 观看动画 采用旋转法吊柱时（图6.26），柱脚宜近基础，柱的绑扎点、柱脚与基础中心三者宜位于起重机的同一起重半径的圆弧上。在起吊时，起重机的起重臂边升钩、边回转，使柱绕柱脚旋转而成直立状态，然后将柱吊离地面插入杯口（图6.27）。此法要求起重机应具有一定回转半径和机动性，故一般适用于自行杆式重机吊装。其优点是，柱在吊装过程中振动小、生产率较高。文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3最新可编辑 word 文档图 6.24柱的翻身及直吊绑扎法图6.25柱的两点绑扎法 (a)柱翻身绑扎法；(b)柱直吊绑扎法(a)斜吊；(b)直吊图 6.26旋转法吊柱的平面布置图6.27旋转法尚须指出，采用旋转法吊柱，若受施工现场的限制，柱的布置不能做到三点共弧时，则可采用绑扎点与基础中心或柱脚与基础中心两点文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3最新可编辑 word 文档共弧布置，但在吊升过程中需改变回转半径和起重机仰角，工效低，且安全度较差。滑行法 观看动画 柱吊升时，起重机中升钩，起重臂不转动，使柱脚沿地面滑升逐渐直立，然后吊离地面插入杯口（图6.28）。采用此法吊柱时，柱的绑扎点布置在杯口附近，并与杯口中心位于起重机同一起重半径的圆弧上（图 6.29）。滑行法的特点是柱的布置较灵活；起重半径小，起重杆不转动，操作简单；可以起吊较重、较长的柱子；适用于现场狭窄或采用桅杆式起重机吊装。但是柱在滑行过程中阻力较大，易受振动产生冲击力，致使构件、起重机引起附加内力；而且当柱子刚吊离地面时会产生较大的“串动”现象。为此，采用滑行法吊柱时，宜在柱的下端垫一枕木或滚筒，拉一溜绳，以减小阻力和避免“串动”。双机抬吊文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 HX1X6Y6Z7V8 ZR3M2R10L7J3文档编码:CB4O4O8Z8C2 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