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钢结构雨棚的施工要注意什么?

来源:http://www.qdjhpc.com/ 日期:2022-04-19 发布人:admin
1、钢结构雨棚加工预备及下料:依照施工图放样,放样和号料时要预留焊接收缩量和加工余量,依据放样作样板。钢材纠正:钢材下料前有必要先进行纠正,纠正后的误差值不该超越规范规则的答应误差值,以确保下料的质量。热加工的型钢先热加工,待冷却后再号孔。钢板预埋件及其他零件切割钻孔及喷防腐漆处理。
1. Processing preparation and blanking of steel structure canopy: setting out shall be carried out according to the construction drawing. During setting out and marking off, the welding shrinkage and machining allowance shall be reserved, and the template shall be made according to the setting out. Steel correction: it is necessary to correct the steel before blanking. The error value after correction should not exceed the allowable error value of the specification rules to ensure the blanking quality. The hot processed section steel shall be hot processed first, and the hole shall be numbered after cooling. Steel plate embedded parts and other parts shall be cut, drilled and sprayed with anti-corrosion paint.
钢结构雨棚施工
Construction of steel structure canopy
2、丈量放线:依据土建标高基准线测预埋件标高中心线,查看预埋件标高误差、左右误差。收拾成果,断定预埋件分隔的调整处理计划。沿楼板外沿弹出墨线定出预埋件顶标高线。
2. Measurement and setting out: measure the elevation center line of embedded parts according to the civil elevation datum line, and check the elevation error and left-right error of embedded parts. Collect the results and determine the adjustment and treatment plan for the separation of embedded parts. Snap an ink line along the outer edge of the floor to determine the top elevation line of the embedded parts.
3、预埋件装置处理:钢结构雨棚的定位预埋件装置方位,打钻装置。请求预埋件方位精确、埋设结实。标高误差不大于9mm,左右位移不大于20mm。
3. Treatment of embedded parts device: positioning of steel structure canopy, orientation of embedded parts device and drilling device. The embedded parts are required to be accurate and firmly embedded. The elevation error shall not be greater than 9mm, and the left and right displacement shall not be greater than 20mm.
4、悬挂臂装置焊接:本工程悬挂臂长度超越7.2米,装置选用焊接,钢角码加强固定。装置前要先调理悬挂臂规划坡度,精确无误方能进行焊接。靠边一条悬挂臂精确无误后,装置另一边一条悬挂臂,就位精确后点焊。然后以此两条悬挂臂为基准拉出悬挂臂的最高、最底标高线,逐个焊接剩下悬挂臂,并焊接无缝钢管拉杆。型钢需接长时,先焊接头并矫直。选用型钢接头时,为使接头型钢与钢板预埋件紧贴,应按规划请求铲去楞角。对接焊缝应在焊缝的两头焊上引弧板,其原料和波口型式与焊件相同,校准查验:悬挂臂装置后首要查看现场衔接部位的质量。悬挂臂装置质量首要查看悬挂臂竖向面的不笔直度;受压对悬挂臂竖向面的旁边面下垂;悬挂臂坡度。确保悬挂臂契合规划受力状况及全体安稳请求。
日照推拉式雨蓬
4. Welding of suspension arm device: the length of suspension arm of the project exceeds 7.2m, the device is welded, and the steel corner code is strengthened and fixed. Before the installation, the suspension arm shall be adjusted to plan the slope, and the welding can be carried out only after it is accurate. After one suspension arm on the side is accurate, another suspension arm on the other side of the device shall be spot welded after it is in place. Then take the two suspension arms as the benchmark, pull out the highest and lowest elevation lines of the suspension arms, weld the remaining suspension arms one by one, and weld the seamless steel pipe pull rod. Straighten the joint and weld the joint first. When selecting section steel joints, in order to make the joint section steel close to the embedded parts of steel plate, the edges and corners shall be removed according to the planning requirements. For butt welds, arc striking plates shall be welded on both ends of the weld, and their raw materials and wave mouth types are the same as those of the weldment. Calibration and inspection: after the suspension arm device, first check the quality of the on-site connection parts. For the quality of suspension arm device, first check the non straightness of the vertical surface of the suspension arm; The side surface of the vertical surface of the compression arm sags; Boom slope. Ensure that the suspension arm meets the planned stress condition and all safety and stability requirements.
钢结构雨棚
Steel structure canopy
5、衔接受力拉索:定位拉杆基准线、标高线,按请求装置预埋件,焊接拉杆耳板,用高强螺栓衔接拉杆和钢骨架,拉杆有必要紧固不松动。钢结构雨棚不锈钢玻璃爪装置焊接:按规划尺度弹出纵横线及规划标高,用夹具夹紧,进行定位点焊,装置结束,焊接玻璃爪底座。
5. Connecting the stressed cable: locate the reference line and elevation line of the pull rod, install the embedded parts as required, weld the pull rod padeye, and connect the pull rod and steel framework with high-strength bolts. The pull rod must be fastened without loosening. Welding of stainless steel glass claw device for steel structure canopy: snap the vertical and horizontal lines and planned elevation according to the planned scale, clamp with clamps, conduct positioning spot welding, and weld the glass claw base after the device is completed.
6、夹胶玻璃加工制造装置:按规划请求联系实测尺度断定玻璃尺度,以及玻璃的开工方位和孔径尺度,由厂家加工制造。装置不锈钢玻璃爪,玻璃暂时固定后进行调整,调整规范横平、竖直、面平。误差不得超越规则误差。
6. Laminated glass processing and manufacturing device: determine the glass scale, as well as the starting position and aperture scale of the glass according to the planning requirements and the measured scale, which shall be processed and manufactured by the manufacturer. The stainless steel glass claw is installed, and the glass is adjusted after being temporarily fixed. The adjustment specification is horizontal, vertical and flat. The error shall not exceed the rule error.
7、调整查验:点式玻璃进行全体调整查验,调整规范横平、竖直、面平。误差。
7. Adjustment and inspection: the point glass shall be adjusted and inspected, and the adjustment specification shall be horizontal, vertical and flat. Error.
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