支架與吊架所用鋼材應(yīng)平直,無明顯扭曲。下料后長短偏差應(yīng)在5mm范圍內(nèi),切口處應(yīng)無卷邊、毛刺。鋼支架與吊架應(yīng)焊接牢固,無顯著變形、焊縫均勻平整,焊縫長度應(yīng)符合要求,不得出現(xiàn)裂紋、咬邊、氣孔、凹陷、漏焊、焊漏等缺陷。
The steel used for supports and hangers shall be straight without obvious distortion. After blanking, the length deviation shall be within 5mm, and the notch shall be free of curling and burr. The steel support and hanger shall be welded firmly without significant deformation, the weld shall be uniform and flat, the weld length shall meet the requirements, and there shall be no defects such as crack, undercut, air hole, depression, missing welding, missing welding and so on.
支架與吊架應(yīng)安裝牢固,保證橫平豎直,在有坡度的建筑物上安裝支架與吊架應(yīng)與建筑物有相同坡度。支架與吊架距離上層樓板不小于150~200mm;距地面高度不低于100~150mm(電纜溝內(nèi))。
The supports and hangers shall be firmly installed to ensure horizontal and vertical. The supports and hangers installed on buildings with slope shall have the same slope as the buildings. The distance between the support and hanger and the upper floor slab shall not be less than 150 ~ 200mm; The height from the ground shall not be less than 100 ~ 150mm (in the cable trench).

支架與吊架的規(guī)格一般不應(yīng)小于扁鐵30mm×3mm;角鋼25mm×25mm×3mm。
Generally, the specifications of supports and hangers shall not be less than 30mm of flat iron × 3mm; Angle steel 25mm × 25mm × 3mm。
嚴(yán)禁用木磚固定支架與吊架。膨脹螺栓固定時,選用螺栓適配,連接緊固,防松零件齊全。嚴(yán)禁用電氣焊切割鋼結(jié)構(gòu)或輕鋼龍骨任何部位,當(dāng)確需與鋼結(jié)構(gòu)焊接固定時,應(yīng)經(jīng)過結(jié)構(gòu)設(shè)計人同意方可進(jìn)行切且焊接后應(yīng)做防腐處理。
It is forbidden to fix the support and hanger with wood bricks. When the expansion bolt is fixed, the bolt shall be used for fitting, the connection shall be fastened, and the anti loose parts shall be complete. It is strictly prohibited to cut any part of steel structure or light steel keel by electric welding. When it is really necessary to weld and fix with steel structure, it shall be cut with the consent of structural designer, and anti-corrosion treatment shall be carried out after welding.
吊具應(yīng)采用定型產(chǎn)品,對橋架進(jìn)行吊裝,并應(yīng)有各自獨(dú)立的吊裝卡具或支撐系統(tǒng)。在進(jìn)出接線盒、箱、柜、轉(zhuǎn)角、轉(zhuǎn)彎和變形縫兩端及丁字接頭的三端500mm以內(nèi)應(yīng)設(shè)置固定支持點(diǎn)。
The lifting appliance shall adopt the finalized product to lift the bridge, and shall have their own independent lifting fixture or support system. Fixed support points shall be set within 500mm from both ends of inlet and outlet junction boxes, boxes, cabinets, corners, turns and deformation joints and three ends of T-joints.
水平橋架安裝過程中,應(yīng)有防晃措施。電纜橋架水平敷設(shè)時應(yīng)按負(fù)荷曲線選取合適跨距進(jìn)行支撐,跨距一般為1.5~3m;垂直敷設(shè)時其固定點(diǎn)間距不宜大于2m。
Anti sway measures shall be taken during the installation of horizontal bridge. When the cable tray is laid horizontally, the appropriate span shall be selected for support according to the load curve, and the span is generally 1.5 ~ 3M; When laying vertically, the spacing between fixed points shall not be greater than 2m.
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