High-altitude hoisting construction method of super-heavy steel truss on transfer floor

Abstract

The invention relates to a high-altitude lifting construction method for an overweight steel truss of a transferring layer. The high-altitude lifting construction method comprises the following steps of: firstly paving tracks on the floor at the lifting area of the transferring layer, then using a crane to lift a rod piece of the steel truss onto the tracks paved on the floor in advance, then arranging a guide pulley block, sliding the rod piece of the steel truss to be in position by the tracks, finally utilizing the matching of the pulley block and the crane, lifting the rod piece of the steel truss to the installing position and finishing the assembling construction. The innovative construction technology has the advantages that the high-altitude lifting difficulty in hoisting of a transferring truss is successfully solved, and the smooth and safe completion of the lifting operation in shortest time can be ensured. The high-altitude lifting construction method overcomes the limit of lifting of a large-tonnage truck crane adopted in the prior art, is safer and more reliable, can shorten the construction period and save the cost and the like, can lay the foundation for successful completion of a main engineering and is an optimal construction scheme for high-altitude lifting of the similar overweight steel truss of the transferring layer.

Description

technical field [0001] The invention belongs to the field of building construction, and in particular relates to a high-altitude hoisting construction method of an overweight steel truss on a transfer floor. Background technique [0002] With the continuous development of building heights, in order to meet the requirements of diversified building structure functions, novel and unique architectural shapes continue to emerge. The construction of a large number of complex structures poses new requirements and challenges to engineers and technicians. Based on the complex characteristics of the main structure, especially the rigid structure that combines steel structure and concrete structure, it is different from reinforced concrete structure and pure steel structure. It is a combination of steel structure and reinforced concrete structure. Structural form, construction difficulty is much greater than steel structure or reinforced concrete structure engineering. [0003] At pr...

AI Technical Summary

Problems solved by technology

This construction method has the following defects: 1. There are fewer large-tonnage truck cranes, which is not conducive to the construction schedule, the construction period is long, and the on-site equipment cannot be fully utilized.

2. Use a large-tonnage truck crane to directly hoist in place, and then complete the aerial assembly. The accuracy of the hoisting position is very high. Generally, it is difficult to achieve a successful hoisting, and repeated adjustments are required.

3. Due to the limitation of the construction site, it is sometimes difficult for large-tonnage truck cranes to enter the site for construction

4. The cost is high

Images