What Are The Requirements For Scaffolding Materials

Nov 12, 2018

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 1) Scaffolding rods are made of No. 3 steel welded steel pipe with outer diameter of 48mm and wall thickness of 3.5mm. The manufacturer's qualified products are used and the certificate is held. The mechanical properties of the scaffold should conform to the current national standard "Carbon Structural Steel" GBT700. The provisions of the Q235A steel, the length of the steel pipe used for the pole, the large crossbar and the diagonal pole is 4-6 meters, the small crossbar and the tie rod are 2.1-2.3 meters, and the steel pipe used shall not be bent, deformed, welded, cracked. Such defects, and coated with anti-rust paint for anti-corrosion treatment, unqualified steel tubes are never allowed to use.


2) The fasteners use the qualified products of the manufacturer and hold the product certificate. The technical performance of the forged cast iron meets the requirements of the “Steel Scaffolding” GB15831-1995. All the fasteners used should be inspected, and there should be no air holes. , sand holes, cracks, slip wire and other defects. The fitting surface of the fastener and the steel pipe should be strictly shaped to ensure good contact with the steel pipe. When the fastener clamps the steel pipe, the minimum distance at the opening is not less than 5 mm, the movable part of the fastener is flexible, and the two rotating fasteners are The gap of the rotating surface should be less than 1mm, and the fasteners must not be damaged when the tightening force of the fastener bolts reaches 60N*M.


3) The scaffolding board is made of 50mm thick larch and has a width of 300mm. Anyone who is decaying, twisted, twill, cracked and large transverse can not be used. The 200px ends of the scaffolding board are wound with 3 turns of lead wire for 3 turns.