足手架搭接标准(国外英文资料).docVIP

脚手架搭接规范(国外英文资料) One total To 1.0.1 in pile foundation design and construction to carry out national technical and economic policy, do apply, advanced technology, reasonable economy, safety to ensure the quality, protect the environment, make this specification. The 1.0.2 specification applies to the design, construction and acceptance of the pile foundation of all kinds of buildings, including structures. 1.0.3 pile foundation design and construction, the engineering geological and hydrogeological conditions be taken into account, the upper structure type and use function conditions, load characteristics, construction technology and the environment; We should pay more attention to the local experience, adjust the local conditions, pay attention to the design of the concept, choose the pile type, pile process and the form of the pile, optimize the pile and save the resources. Strengthen construction quality control and management. Material requirements: The steel tube wall thickness must be calculated by sigma = 3.0 mm, considering that the wall thickness of the market steel pipe is negative deviation. The pre-set material needs to be carefully selected, the steel tube, the buckle should be qualified, and the new steel pipe should have the factory certificate. Quality inspection should be carried out before the use of the old steel pipe and the fastener, and all the pipes shall not be used for bending, cracking, distortion or damage and size. The pipe should be painted. 1.2 fasteners: use of malleable casting, no crack, porosity, shrinkage, sand eye etc. It is found that there is a crack, deformation, and the bolt must be replaced. 1.3 safety net: the safety net USES the high density polyethylene network, the density of the network is 2000 eyes / 100 square centimeters. Hung inside from step 1 above, and the safety net fixed outside the scaffold in the stud side, fastened with nylon and longitudinal stick, hanging safety net requirements closely, flat and level. Set