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Assembled type crown beam, surrounding purlin and waist beam structure

A prefabricated and enveloped structure technology, applied in infrastructure engineering, construction, excavation, etc., can solve the problems of high cost, difficult construction, long construction period, etc., achieve low project cost, high degree of component assembly, and save engineering material effect

Inactive Publication Date: 2017-05-24
SHANGHAI STRONG FOUND ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to overcome the shortcomings of existing concrete crown beams such as long construction period, high cost, and difficult construction, and provide an assembled crown beam, purlin and waist beam structure

Method used

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  • Assembled type crown beam, surrounding purlin and waist beam structure
  • Assembled type crown beam, surrounding purlin and waist beam structure
  • Assembled type crown beam, surrounding purlin and waist beam structure

Examples

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Embodiment

[0038] Examples are as follows: the prefabricated crown beam, purlin and waist beam are assembled by multi-ribbed H-shaped steel standard beam 1 through connecting bolts 2; multi-ribbed H-shaped steel standard beam 1 is made of H-shaped steel material and steel plate in the factory It is processed in the workshop, and its length is designed according to the modulus. On the flange plates on both sides of the H-shaped steel, that is, the connecting surface is processed with connecting bolt holes 3 according to the standard modulus. Along the axis of the H-shaped steel, at a certain distance, the stiffeners 4 are welded on both sides of the web, and multi-ribbed The two ends of the plate-type H-shaped steel standard beam 1 are welded with end connecting plates 5 and stiffeners 6, and connecting bolt holes 3 are processed on the end connecting plates 5, see Fig. 1 and Fig. 1a.

[0039] On both sides of the top of the steel sheet pile 7 of the vertical enclosure structure, the proc...

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Abstract

The invention discloses an assembled type crown beam, surrounding purlin and waist beam structure. The assembled type crown beam, surrounding purlin and waist beam structure is formed by assembling multi-rib-plate type H-shaped steel standard beams different in length and foundation pit vertical containment plate piles through bolts. The multi-rib-plate type H-shaped steel standard beams are continuously arranged in the horizontal direction, and connector end plates of the multi-rib-plate type H-shaped steel standard beams are connected through bolts. Bolt connecting sleeves are embedded in crown beam or surrounding purlin positions of the plate piles or bolt sleeves are implanted in the crown beam or surrounding purlin positions so that the plate piles can be connected with the multi-rib-plate type H-shaped steel standard beams. The multi-rib-plate type H-shaped steel standard beams and steel supporting components are also connected through bolts. The assembled type crown beam, surrounding purlin and waist beam structure is high in construction operability, high in component assembling degree and construction operation efficiency, capable of saving project materials, low in project building cost and good in project implementing effect.

Description

technical field [0001] The invention relates to the technical field of civil engineering, in particular to the technical field of assembled construction of enclosure structures for foundation pits and slopes. Background technique [0002] The vertical enclosure structure in the foundation pit engineering is generally composed of rows of piles or underground continuous walls. These vertical rows of piles or underground continuous walls are formed by scattered insertion or pouring. They are dispersed in the horizontal direction and need to pass through the crown. Beams, purlins or waist beams are connected into a whole. These crown beams, purlins or waist beams mainly have steel structures or cast-in-situ concrete structures. The crown beams, purlins and waist beams of the steel structures are all welded on site to realize the connection with the vertical enclosure structure. The safety of the entire support structure will be greatly affected. In addition, the vertical enclos...

Claims

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Application Information

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IPC IPC(8): E02D17/04E02D17/20
CPCE02D17/04E02D17/20
Inventor 刘斐然张睿敏张衡
Owner SHANGHAI STRONG FOUND ENG
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