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Construction method of preassembly supporting beam combined system

A construction method and technology for supporting beams, which are applied in excavation, infrastructure engineering, construction, etc., can solve the problems of difficult demolition of supports, high construction costs, damage to the environment, etc., and achieve the effects of quick installation and demolition, convenient demolition, and guaranteed construction quality.

Inactive Publication Date: 2017-08-25
CHINA FIRST METALLURGICAL GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method has the characteristics of adapting measures to local conditions and low cost, but there are some problems as follows: high construction cost, long period, difficult support removal, large amount of work, and easy to cause a lot of dust, which will damage the environment

Method used

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  • Construction method of preassembly supporting beam combined system
  • Construction method of preassembly supporting beam combined system
  • Construction method of preassembly supporting beam combined system

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Experimental program
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Embodiment Construction

[0021] Below in conjunction with accompanying drawing, the present invention will be further described

[0022] as attached figure 1 , 2 As shown, the construction method of the pre-assembled support beam composite system includes the following steps:

[0023] Step 1, the prefabrication of the concrete support beam is to determine the prefabrication of the concrete support beam into sections according to the construction plan, and prefabricate a single concrete support beam into 4 sections. At both ends of each concrete support beam, steel bars are reserved for steel bar joints, and steel plates are pre-embedded on the sides.

[0024] The prefabrication process of the concrete support beams is carried out in the processing plant, and the formwork is used for turnover. Precast concrete support beams must be pre-assembled before leaving the factory, and all technical indicators must meet the requirements before leaving the factory.

[0025] Step 2. Concrete support beam erec...

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Abstract

The invention discloses a construction method of a preassembly supporting beam combined system. The construction method includes the following steps of 1, concrete supporting beam prefabrication; 2, concrete supporting beam erection construction; 3, concrete supporting beam joint construction; 4, steel structure inclined strut construction; and 5, second pre-assembly concrete supporting beam and steel structure inclined strut construction according to the steps. An upper support and a lower support are connected through a steel lattice column vertical supporting pile to form the combined supporting system. Concrete supporting beams are preassembled in a factory, construction quality can be guaranteed, the beams can be preassembled in advance according to construction period requirements, and formworks can be used in a circulating manner; and the combined system fully exerts the compressive property of concrete and the tensile property of the steel structure. The concrete supporting beams are assembled and connected together, dismounting is convenient, energy consumption is low, and environmental friendliness is achieved. Steel structure inclined struts are low in steel structure dead weight, high in tensile capacity, rapid to mount and dismount, reusable and free of pollution.

Description

technical field [0001] The invention relates to a construction method of a support beam, in particular to a construction method of a pre-assembled support beam combination system, and belongs to the technical field of engineering construction. Background technique [0002] With the rapid development of my country's economic construction, the construction projects of underground buildings are increasing day by day. For example, when the above-ground parking lot can no longer meet the needs of use, high-rise residential buildings will be equipped with underground garages, and the basement area will become larger and larger. During the construction of high-rise buildings and integral underground garages, the support system of deep foundation pit excavation The requirements for construction safety are more important. [0003] In order to ensure the safety of engineering construction in the engineering construction of underground buildings, it is generally necessary to construct...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D17/04
CPCE02D17/04
Inventor 陈世伟齐利涛郭继舟李少祥
Owner CHINA FIRST METALLURGICAL GROUP
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