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Construction method of steel structure heat-insulating water-proofing inverted accessible roof

An inverted, steel structure technology, applied in the direction of roof covering, roof, building components, etc., can solve the problems of increasing the weight of the structure, inaccessible to people, poor thermal insulation and other problems

Inactive Publication Date: 2009-12-16
JIANGSU JIANGJIAN GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Reinforced concrete roof consists of steel bars and concrete to form a horizontal structural system. Disadvantages: 1. It does not conform to the development direction of energy conservation and environmental protection; 2. It increases the weight of the structure; the steel structure roof is made of steel structure and glass, pressed thin steel plate or other plates Constituting a horizontal structural system, disadvantages: 1. Can’t get on people; 2. Poor thermal insulation; grid roof is a horizontal structural system composed of steel grid and ALC board, glass, pressed thin steel plate or other plates, insufficient Disadvantages: 1. Can't get on people; 2. Poor thermal insulation

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] 1. Fabrication of grid rods, steel balls, section steel, support and roof steel plates:

[0018] Welded ball joints, bolted ball joints, and supports are produced by special factories, and generally only need to be checked and accepted according to regulations. Welded steel plate joints are generally manufactured separately according to each project. The steel pipe rods of the grid frame are often made on site. Pay attention to the welding shrinkage when cutting the material. There are many factors that affect the welding shrinkage. If the experience is insufficient, it should be determined by experiments according to the actual situation on the site, generally 2~3.5mm . Section steel and roof steel plates are generally made on site.

[0019] 2. Grid assembly and installation:

[0020] 1. Measurement positioning:

[0021] Before installation, re-inspect the embedded parts, mainly review the central control line, elevation and flatness of embedded parts, to ensure that the a...

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PUM

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Abstract

The invention provides a construction method of a steel structure heat-insulating water-proofing inverted accessible roof and relates to a construction method of roofs; the construction sequence is that: a net frame rod piece, a steel ball, a profiled bar, a bracket and a roof steel plate are manufactured; assembly and installation of the net frame are carried out; the installation of the bracket of the net frame is carried out; the installation of a steel girder is carried out; the installation of the steel plate is carried out; the installation of a water fountain is carried out; a cement ceramsite sloping layer, a cement mortar screeding layer and an APP modified asphalt water-proofing layer are constructed; a heat-insulating layer is constructed; an oil asphalt felt separating layer is constructed; a surface layer is constructed; and indoor fire-resistant coating for a steel structure is constructed. The construction method can form a space roof system which has the advantages of heat insulation, prolonging the service life of the water-proofing layer, energy-saving, environmental protection and accessibility, and the accessible roof has characteristics of long spanning, long column grid distance and large bay by systematically combining a reinforced concrete main structure.

Description

Technical field [0001] The invention relates to the field of construction technology, in particular to a roofing construction method. Background technique [0002] In the engineering structure, the existing building roofs are divided into: reinforced concrete roof, steel structure roof, and grid roof. Reinforced concrete roof consists of steel and concrete horizontal structure system, shortcomings: 1. It does not conform to the development direction of energy saving and environmental protection; 2. The structural weight is increased; steel structure roof is made of steel structure and glass, profiled thin steel plate or other plates Composing a horizontal structural system, shortcomings: 1. No access to people; 2. Poor thermal insulation; the grid roof consists of a horizontal structural system composed of steel grids and ALC plates, glass, profiled steel plates or other plates. Places: 1. No access to people; 2. Poor thermal insulation. Summary of the invention [0003] The pur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B7/00E04D11/02E04D13/08
Inventor 赵林
Owner JIANGSU JIANGJIAN GRP CO LTD