A lifting construction method for multiple steel corridors between towers

Abstract

The invention discloses a lifting construction method of a plurality of steel galleries between towers. The low-area steel galley, the middle-area steel galley and the high-area steel gallery are lifted in sequence; firstly, pre-installing rod pieces are installed in the elevation positions of the low-area steel galley, the middle-area steel galley and the high-area steel gallery, lifting platforms are arranged, and hydraulic lifters are installed simultaneously; then, the low-area steel galley is assembled on the ground and lifted to the elevation position, jig frames are erected on the low-area steel galley, and the middle-area steel galley is assembled and lifted to the elevation position; and jig frames are erected on the middle-area steel galley, the high-area steel gallery is assembled and lifted to the elevation position, and construction is completed. Construction of the multiple steel galleries between the towers is uncommon; the construction efficiency can be improved obviously through engineering practice of the construction method; construction safety is guaranteed; the hoisting workload is reduced by the maximum margin; energy consumption and time are saved; the construction cost and installing construction difficulty are reduced; the national environment-friendly construction requirement is met; reference and guidance can be provided for later similar engineering construction of the multiple steel galleries between the double towers; and application and popularization prospects are achieved.

Description

technical field [0001] The invention relates to the technical field of installation and construction of building steel structures, in particular to a construction method for lifting multiple steel corridors between towers. Background technique [0002] With the increasing shortage of urban construction land, people's pursuit of architectural art and the sharp increase of construction costs, there will be more and more aerial long-span heavy-duty steel corridors in super high-rise twin towers. For large-span and high-height buildings For buildings, the overall lifting method using hydraulic pressure is the first choice, but the multiple steel corridors of the twin towers have different shapes and weights. The appropriate lifting method must take into account cost, safety and construction simplicity. [0003] Corridor is a kind of complex high-rise building structure system. It is a kind of connecting body, which is arranged perpendicular to the building horizontally. There ar...

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Problems solved by technology

[0004] Existing problem 1: Each time the steel corridor is lifted, it is necessary to set up the corresponding hydraulic lifter and lifting platform in the tower that has been built. The three steel corridors need a large amount of installation measures, which consume a lot of materials and time. , increasing the construction cost

Problem 2: The weight of the three steel corridors is very heavy. If the three steel corridors are continuously assembled on the basement roof, the basement roof will be in a state of great stress for a long time, and its bearing capacity is far from enough, which is prone to damage. cracking, the safety cannot be guaranteed, it is necessary to reinforce the basement roof, use section steel, full scaffolding to support the roof, or add steel columns and steel beams to the basement structure to enhance the bearing capacity of the basement roof, which consumes a lot of energy. A large amount of materials, labor and time slow down the construction progress and increase the construction cost

At this stage, there is no report on the lifting construction of multiple steel corridors between the towers

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