Prefab house: what is the main hoisting method of steel structure?

The prefab house is a kind of steel structure prefab house. Now many prefab houses also use light steel structure building as the main structure, so the use of steel structure in the construction industry is becoming more and more extensive. Today, the editor will mainly tell you about the hoisting method of steel structure and understand the details of on-site construction of hoisting, such as on-site management, hoisting point selection and crane station selection, which are all important points in hoisting construction.

(1) Site and road treatment of hoisting construction site: After backfilling of foundation works, a 6-7m wide site must be set aside 1.0M from the axis of the building as a road for cranes to travel, and the foundation is required to be solid and able to withstand The weight of the crane to travel to ensure the safety of the crane and the hoisting operation.

(2) The hoisting adopts the backward hoisting.

(3) Selection of hoisting points: For the hoisting of steel columns, due to the small height of the steel columns, less than 16 meters, one or two hoisting can be used: for the hoisting of steel beams, the length of the hoisting steel beams is less than 20 meters The two-point method is used for hoisting, and the four-point method is used for hoisting when the length of the hoisting steel beam is greater than 20 meters.

(4) Selection of crane station: The lifting capacity of the crane station must be guaranteed to meet the hoisting of components.

(5) Check calculation of the hoisting component body: Before the component body is hoisted, the construction check calculation of the body component should be carried out in terms of strength and stability to ensure that the body hoisting is feasible.

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