What are the specifications of fastener-type steel pipe scaffold in building construction? Who can tell me?

I'm glad to answer it for you. If you want to know more, please read carefully. There is a lot of content, which looks a bit boring. 1. Steel pipe scaffold shall be made of steel pipes with an outer diameter of 48~5 1mm and a wall thickness of 3~3.5mm, without serious corrosion, bending, flattening and cracks. It is recommended to use 48*3.5mm in specifications. There are also 48.3*3.6, 48.3*3.2 and so on. 2. The bar connection of steel pipe scaffold must use qualified steel pipe fasteners, and lead wire and other materials shall not be used for binding; 3. The spacing of external scaffolding poles shall not be greater than 1.8m, the spacing of main bars shall not be greater than 1.8m, and the spacing of small bars shall not be greater than1.5m; 4. Scaffolding must be firmly connected to the structure according to the floor, and the vertical distance of the connection point shall not exceed 4m, and the horizontal distance shall not exceed 6m. The strength of materials used for Rachel should not be lower than that of 8# lead wire. Tall shelves shall not be tied with flexible materials. Set a reliable supporting roof at the tension joint; 5. Scaffolding operation surface must be covered with scaffolding, scaffolding shall not be more than 200mm away from the wall, and there shall be no gaps, probe plates and springboard. A horizontal net is arranged in the lower pocket of the scaffold board. Two protective railings, a running board or a protective railing should be set outside the operation surface, and a safety net should be set up, and the lower opening should be closed. The protection height should be1m. It is forbidden to use bamboo as scaffolding; 6. Scaffolding must ensure that the overall structure is not deformed. Scaffolds with a height of more than 20m must be set with scissors in the longitudinal direction, and the width of scissors shall not exceed 7 poles, and the included angle with the horizontal plane is 45~60 degrees. When the height is below 20m, positive and negative braces must be set; 7. Special scaffolding and tall scaffolding with a height of more than 20m must have a design scheme; 8. The internal and external load-bearing scaffolding for the structure shall not exceed 2646N/㎡. The use load of scaffolding inside and outside the decoration shall not exceed1960n/㎡; 9. The horizontal and vertical distance between the outer edge of the project under construction (including scaffolding) and the sideline of the power overhead line should not be less than 3m; 10. Before all kinds of scaffolding are put into use, the person in charge of construction must organize the erection and use of scaffolding, and the person in charge and the safety officer shall conduct inspection and perform the handover and acceptance procedures. Special scaffolding, before erection, disassembly and assembly, should be prepared by the technical department safety construction scheme, and reported to the superior technical leadership for approval before construction. When erecting fastener-type steel pipe scaffold, attention should be paid to smooth and solid foundation, setting base and pad, and reliable drainage measures to prevent water from soaking the foundation. When the spacing between vertical poles is set in a single row, the distance between vertical poles and the wall is1.2 ~1.4m; When double rows are set, the distance between the inner rows of vertical rods and the wall is 0.4~0.5m, and the distance between the inner and outer rows of vertical rods is about1.5m. The joints of adjacent vertical rods should be staggered and connected by butt fasteners, or by steel pipe sleeves with a length of 400mm, an outer diameter equal to the inner diameter of the vertical rods and a welding flange in the middle. The vertical deviation of the vertical pole should not be greater than 1/200 of the frame height. The spacing between adjacent main rails on the upper and lower floors is about 1.8m, and the connections between the components of the main rail should be staggered and connected by butt fasteners. If lap connection is adopted, the lap length shall not be less than 1m, and it shall be fastened with three rotating fasteners. With right-angle fasteners connected to the column, the vertical horizontal elevation difference is not more than 50 mm ... The spacing of small bars should not be greater than1.5m. When set in a single row, one end of the small bar should extend into the wall not less than 240mm, and the other end should be placed on the main reinforcement, extending at least100 mm; ; When set in double rows, the distance between the end of the small bar and the wall is 50 ~ 100 mm, and the small bar and the big bar are connected by right-angle fasteners. Small bar should be lengthened every three steps, and pay attention to Rachel with the wall. The included angle between the diagonal bar of the longitudinal support and the ground should be in the range of 45 ~ 60. The erection of diagonal bars is to fix one diagonal bar on the vertical bar and the other diagonal bar on the protruding part of the small bar with rotating fasteners to avoid bending the steel pipe when the two diagonal bars intersect. The joint of diagonal fastener and scaffold fastener is not more than 200mm away from scaffold node (i.e. the intersection of vertical rod and crossbar). In addition to fastening at both ends, 2~4 buckle nodes need to be added in the middle. In order to ensure the stability of scaffolding, the bottom connection point of diagonal bar should not be more than 500mm from the ground. The extension of diagonal bars shall be connected by butt fasteners. When lap joint is used, the lap joint length shall not be less than 400mm, and it shall be fastened with two rotating fasteners. That's about it. The above contents can be used for reference. I'm glad to answer these questions for you. I hope they can help you. Give a thumbs-up if you feel awesome. Wish you a happy life.