Construction method of double-curved-surface dome metal roof

A technology of metal roofing and construction method, which is applied in the direction of roofing, roofing, roof covering layer using flat/curved panels, etc., can solve the problems that affect the quality of the project, the construction quality of space keel special-shaped panels is not easy to guarantee, and the single-layer hyperboloid dome metal roof Insufficient construction technology and other problems, to ensure the waterproof effect, reduce the risk of high-altitude operations, and reduce the effect of high-altitude welding operations

Pending Publication Date: 2022-04-15
CHINA CONSTR EIGHTH ENG DIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In related technologies, the construction technology of single-layer hyperbolic dome metal roof is not perfect, and the construction quality of space keel positioning, ordering and installation of special-shaped panels is not easy to guarantee, and temperature deformation, force settlement, and roof waterproofing are major difficulties in construction. Affect the quality of the project

Method used

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  • Construction method of double-curved-surface dome metal roof
  • Construction method of double-curved-surface dome metal roof
  • Construction method of double-curved-surface dome metal roof

Examples

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Embodiment 1

[0041] The embodiment of the present invention discloses a construction method of hyperbolic dome metal roof, referring to figure 1 , including the following construction steps:

[0042] Step 1: Carry out three-dimensional physical scanning of the metal roof structure layer, and reversely establish a model of the same size as the actual metal roof;

[0043] Step 2: Use BIM software to analyze and classify the mesh cells of the model scanned by the three-dimensional entity, classify the mesh cell size into standard size blocks, and count the number and size information of standard size blocks;

[0044] Step 3: On-site measurement and determination of reference points and connection points. The reference points are support points on the periphery of the building construction area. The determination of the reference points includes determination of the plane reference direction and determination of the vertical reference direction. The determination of the connection points Incl...

Embodiment 2

[0050] Increase on the basis of embodiment 1:

[0051] The model described in step 1 is obtained by first obtaining the spatial structure point cloud model, and then generating the solid structure model through software processing. After obtaining the model, the force situation of the specific construction structure is simulated by combining the model size information with the material information, and the structural collision is carried out at the same time. analyze.

[0052] The structural frame 2 and the aluminum alloy support 4 are installed in the mesh unit described in step 2. After the size of the mesh unit is classified as a standard size block, the size of the components installed in the mesh unit is also classified as a standard size block.

[0053] The connection between the keel 1 and the structural frame 2 at the reference point and the connection point in step 3 is bolted connection, and the aluminum alloy support 4 and the metal panel 5 are connected by internal w...

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Abstract

The invention relates to the technical field of dome roof construction, in particular to a double-curved-surface dome metal roof construction method. The method comprises the following construction steps that three-dimensional entity scanning is conducted on a metal roof structure layer, data analysis and classification are conducted on mesh cells of a three-dimensional entity scanning model through BIM software, field measurement is conducted, datum points and connecting points are determined, mesh cell internal parts are manufactured according to the determined number and size information of the mesh cells, and the metal roof structure layer is constructed. Mounting the structural layer, paving the metal panel and the lighting panel, and gluing the edge of the mounted metal panel. Three-dimensional entity scanning, reverse establishment of a metal roof model, gridding construction and analysis and collection of unit plates are performed, so that the on-site measurement work amount is reduced, the panel error rate is reduced, panel materials are saved, the panel ordering and processing efficiency is improved, aerial operation is reduced, most of installation and testing are changed into ground operation, construction hidden dangers are reduced, and the construction efficiency is improved. The mounting quality is improved.

Description

technical field [0001] The invention relates to the technical field of dome roof construction, in particular to a hyperbolic dome metal roof construction method. Background technique [0002] Due to the unique advantages of the metal space grid structure, the application in our country is gradually increasing, and many metal space grid structures including reticulated shells and grid frames have been built in various parts of our country. As a maintenance system for the metal space grid structure, a single-layer hyperbolic dome metal roof can not only meet the unique shape of the building appearance, but also have the wind pressure resistance, earthquake resistance, air tightness, dynamic water tightness and sound insulation performance of the building roof. A must-have function, the trend of green construction also makes the double-curved dome metal roof an indispensable part of high-quality engineering at the top of the building. [0003] In related technologies, the cons...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04D15/04E04D3/16E04D3/36E04D11/02G06F30/13G06F30/23G06T17/20G06F119/14
Inventor 高建喜徐庆迎王家鹏薛宇豪于世林
Owner CHINA CONSTR EIGHTH ENG DIV
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