1. Requirements for the erection of support rod-type cantilevered scaffolding
The erection of the support rod-type cantilever scaffold needs to control the use load, and the erection must be firm. When erecting, the inner shelf should be erected first, so that the cross bar extends out of the wall, and then the diagonal bar is supported and the outgoing cross bar is firmly connected, and then the cantilevered part is erected, and the scaffolding board is laid. A safety net is set up below to ensure safety.
2. Setting of connecting wall parts
According to the axial dimension of the building, one is installed every 3 spans (6m) in the horizontal direction. In the vertical direction, one should be set every 3 to 4 meters, and each point should be staggered to form a plum-like arrangement. The method of erecting the wall parts is the same as that of the floor-standing scaffolding.
3. Vertical control
When erecting, the verticality of the segmented scaffolding should be strictly controlled, and the allowable deviation of verticality:
4. Scaffolding
The bottom layer of the scaffolding board should be covered with thick wooden scaffolding boards, and the upper layers can be covered with perforated light-weight scaffolding boards punched from thin steel plates.
5. Safety protection facilities
Guardrails and toe guards shall be provided on each layer of the scaffolding.
The outer and bottom surfaces of the scaffolding shall be closed with dense mesh safety nets, and the necessary passages shall be maintained between the scaffolding and the building.
The connection of cantilever scaffolding poles and cantilever beams (or longitudinal beams).
150~200mm long steel pipes should be welded on the lifting beams (or longitudinal beams), the outer diameter of which is 1.0~1.5mm smaller than the inner diameter of the scaffolding poles, connected with fasteners, and 1~2 sweeping poles are set at the bottom of the poles. Make sure the shelf is stable.
6. Connection between cantilever beam and wall structure
Iron parts should be embedded in advance or holes should be reserved to ensure reliable connection, and holes should not be drilled arbitrarily to damage the wall.
7. Tie rod (rope)
The tie rod (rope) should be equipped with a tightening device, so that the pull rod can bear the load after tightening.
8. Steel bracket
The welding of steel brackets should ensure the height of the weld and the quality to meet the requirements.
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