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Connection structure of pre-cast stairs and cast-in-situ wall system

A cast-in-place wall and system connection technology, which is applied in building components, building structures, building insulation materials, etc., can solve the problem of poor compatibility between weather-resistant adhesives and decorative materials, affecting the appearance, and incompatibility between weather-resistant adhesives and floor paints To achieve the effect of facilitating stair installation, solving compatibility problems, and reducing stair installation gaps

Pending Publication Date: 2017-09-08
GUANGDONG CONSTAR CONSTR GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Cement mortar is used to plug the seams, because different materials have different temperature sensitivities, and cracks are prone to occur. The surface of the weather-resistant adhesive is used to close the cracking problem, but the compatibility between the weather-resistant adhesive and decorative materials is poor, such as the method of floor paint, weather-resistant adhesive and Floor paint is incompatible, affecting the look and feel

Method used

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  • Connection structure of pre-cast stairs and cast-in-situ wall system
  • Connection structure of pre-cast stairs and cast-in-situ wall system
  • Connection structure of pre-cast stairs and cast-in-situ wall system

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Embodiment Construction

[0015] Such as Figure 1 to Figure 3 As shown, in this embodiment, the present invention includes a prefabricated staircase 1 and a cast-in-place wall 2, a stair installation gap 3 is provided between the side of the prefabricated staircase 1 and the cast-in-place wall 2, and the stair installation The lower opening of the gap 3 is provided with a PE rod 4, the inner layer cement mortar 5 is arranged in the staircase installation gap 3, and the closing cement mortar 6 is arranged at the upper opening of the staircase installation gap 3, and the closing cement mortar 6 is mixed with Into the expansion agent. In order to facilitate the installation of the stairs and reduce the gaps in the later stage, the gaps in the installation of the stairs should be reduced as much as possible. As shown in the figure, 15mm is used locally. The method: after the stairs are installed, use PE rods to seal the lower opening, and then use M5 cement mortar to plug the gaps to the elevation. After...

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Abstract

The invention discloses a connection structure of pre-cast stairs and a cast-in-situ wall system and aims at providing a structure-stable and structure-compatible connection structure of pre-cast stairs and a cast-in-situ wall system. The connection structure comprises pre-cast stairs (1) and a cast-in-situ wall (2). A stair installation gap (3) is arranged between the lateral part of the pre-cast stairs (1) and the cast-in-situ wall (2). A lower opening of the stair installation gap (3) is provided with a PE bar (4), inner layer cement mortar (5) is arranged in the stair installation gap (3), an upper opening of the stair installation gap (3) is provided with closing-in cement mortar (6), and an expanding agent is mixed in the closing-in cement mortar (6). The invention is applied to the technical field of connection structures of pre-cast stairs and cast-in-situ wall systems.

Description

technical field [0001] The invention relates to a connection structure, in particular to a connection structure between a prefabricated staircase and a cast-in-place wall system. Background technique [0002] At present, the construction gaps between the prefabricated stairs and the cast-in-place side walls are as follows: (1) A 20mm gap is reserved between the prefabricated stairs and the cast-in-place side walls to adjust the installation of the stairs. Seams, the surface is closed with weather-resistant glue; (2) Cement mortar is directly used to plug the seams. Cement mortar is used to plug the seams, because different materials have different temperature sensitivities, and cracks are prone to occur. The surface of the weather-resistant adhesive is used to close the cracking problem, but the compatibility between the weather-resistant adhesive and decorative materials is poor, such as the method of floor paint, weather-resistant adhesive and The floor paint is incompati...

Claims

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Application Information

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IPC IPC(8): E04B1/682
CPCE04B1/68E04B1/6801E04B1/6807E04B1/6812
Inventor 胡兰英林少锋陈国辉
Owner GUANGDONG CONSTAR CONSTR GRP CO LTD