Matters needing attention on the construction of floor steel scaffolding

The floor stand adopts a double-row fastener steel pipe scaffold, and the outer frame is erected along the entire length of the outer edge of the building.

1. Large crossbar for floor steel pipe scaffolding: the distance is 1.8 meters, railings are placed between the two steps on the outside of the rack, the steel pipe joints should be staggered, use a One-button connection. The large crossbar and the vertical bar are connected by a cross buckle. The vertical level in each shelf, the correlation should not be greater than a brick thick.

2. Floor-standing steel pipe scaffolding poles: the longitudinal spacing is not more than 1.8 meters; the horizontal spacing is 1.0 meters, and the inner row is 0.4-0.5 meters away from the wall. Adjacent The pole joints should be staggered, and the butt joints should be connected with a flat button.

3. Floor-mounted steels tube scaffolding small crossbar: spacing 1.8 meters. Rest both ends on the large crossbar and extend at least 100. 50 one from wall 100. The small crossbar and the large crossbar are connected by a cross buckle. The small crossbar of three steps or more is lengthened and tied to the wall.

4. Floor steels pipe scaffold crosses to brace: set at the corner, end, and every 30 meter along the longitudinal direction of the steel pipe scaffold. Every gear cross brace It occupies two spans, and the smallest pair of landings are arranged continuously from bottom to top. The steel pipe is at an angle of 45 degrees to 60 degrees to the ground, and the angle is connected with a rebate Pick up.

5. Floor-standing steel pipe scaffolding with wall poles: set a side wall pole every three steps and four spans. Practice: bypass the stand with double-strand No. 8 iron wire. The connection point of the rod and the large crossbar is tied with the embedded steel ring or ring beam on the wall, and the connecting rod is used to bear against the wall surface; the small crossbar can also be used to add. Long, short steel pipes connection with inside the wall.

6. Each section of steel pipe scaffolding is limited to two operation surfaces, and the construction load is controlled within 200kg/m2.

7. Reliable safety protection shall be provided for on the side of the shelf.

8. The rack body is unloaded once every five floors. The unloading method and the method and calculation of connecting the wall points are the same as the cantilevered outer frame scheme below for.

9. The frame body is always more than 2 meters above the working surface. When the frame body is higher than the surrounding buildings, the middle 6 steel bar is used as the grounding wire to form a lightning protection system.


Post time: Jul-24-2020


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