Step-bench-separated thin webbed girder type pre-cast stair and installation method thereof

A technology of thin-web beams and stairs, applied in the direction of stairs, ladder-like structures, pedals and riser units, etc., can solve the problems of affecting the building effect of the stairs, reducing the headroom of the stairs, and low economic efficiency, etc., achieving simple structure, The effect of reducing self-weight and firm connection

Active Publication Date: 2016-07-27
CCT TECH HENAN CO LTD
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Problems solved by technology

In this method, a beam protrudes from the middle of the scissors ladder, which affects the architectural effect of the la

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  • Step-bench-separated thin webbed girder type pre-cast stair and installation method thereof
  • Step-bench-separated thin webbed girder type pre-cast stair and installation method thereof
  • Step-bench-separated thin webbed girder type pre-cast stair and installation method thereof

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Embodiment Construction

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0025] A thin-web beam-type prefabricated staircase with steps and sections separated and its installation method, the composition includes: a staircase section 1, a tread plate 2, and a bolt bar 3, and the staircase section 1 is a thin-web beam-type staircase section , the step plate 2 is an L-shaped concrete slab, two rows of triangular bosses 4 are arranged on both sides of the upper end of the staircase section 1, and a step plate preinstallation platform 5...

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Abstract

The invention provides a step-bench-separated thin webbed girder type pre-cast stair which comprises a stair bench, step plates and tightening latches. The stair bench is a thin webbed girder type bench. The step plates are L-shaped concrete plates. Two lines of triangular bosses are arranged on the two sides of the upper end of the stair bench. Step plate preassembling platforms are arranged between every two adjacent triangular bosses. The step plates are matched and fixedly connected with the triangular bosses. The pre-cast stair has the advantages that the structure is simple, the design scheme of a step-bench-separated thin webbed girder type scissor stair is put forward, the dead weight of the stair is effectively reduced, and the lifting weight requirement of a frequently-used ordinary tower crane can be met; meanwhile, due to the connection mode of the step plates and bench plates which are separated, operation is easy, and connection is firm.

Description

technical field [0001] The invention relates to the field of building construction, in particular to a thin-web beam type prefabricated staircase with separated steps and steps and an installation method thereof. Background technique [0002] The industrialization of new buildings has attracted great attention in the industry due to its energy-saving and environmental protection features. The national and local governments have also issued a series of policies to promote and encourage the development of industrialization of buildings. At present, my country's construction industrialization is still in its infancy. The standardized design of prefabricated buildings, the maturity of construction technology and the production capacity of prefabricated components all restrict the construction industry from fully adopting the production mode of prefabricated buildings. However, it is feasible to adopt prefabricated production methods for building parts and components. For this re...

Claims

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Application Information

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IPC IPC(8): E04F11/025E04F11/09
CPCE04F11/025E04F11/09
Inventor 石登辉魏金桥闫亚召雷红兵史泽波王凤新
Owner CCT TECH HENAN CO LTD
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