BIM-based parameterized building facade design method, facade component and skin model

A building facade and parametric technology, applied to building components, building structures, buildings, etc., can solve problems such as large size, distorted texture and skin shape, and insufficient details and overall precision

Pending Publication Date: 2021-08-20
中国建筑东北设计研究院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Aiming at the series of problems existing in the current prior art, the present invention provides a BIM-based parametric building facade design method and facade components and skin models. Starting from the facade texture effect in the paper, according to a picture of a rendering, the spatial structure system of the parametric building facade texture skin in industrial construction is complex, the shape of ...

Method used

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  • BIM-based parameterized building facade design method, facade component and skin model
  • BIM-based parameterized building facade design method, facade component and skin model
  • BIM-based parameterized building facade design method, facade component and skin model

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Embodiment 1

[0053] This embodiment provides a BIM-based parametric building facade design method, the process flow of the method is as follows figure 1 As shown, it covers three stages: planning stage, deepening stage, and construction stage, specifically including the following steps:

[0054] The first stage: the planning stage

[0055] Step 1: Enlarge the architectural renderings determined in the project phase until each pixel can be clearly seen, and then compare each pixel grid point within the building facade with continuous parameterized form and these pixels The 2D grid cross lines formed by the regular arrangement of the grid points in a matrix are extracted.

[0056] Step 2: On the architectural block model of the parametric design software Rhino, according to the architectural renderings, a single building or a group of buildings with continuous parametric forms is regarded as an overall space block, and the overall space block is determined The direction of the texture patt...

Embodiment 2

[0076] In the field of architectural design, parametric building facades are usually composed of double-layer skins. Usually, the external skin is composed of parametric large-scale continuous components, and the internal skin is a traditional glass curtain wall. Designers usually specify the specific design effect of a certain scheme to directly use the determined external skin components of the building facade due to the determined overall architectural scheme effect feeling and design artistic conception. Therefore, in the architectural scheme design stage and construction drawing In the design stage, large-scale spatial components are generally used to directly form the building facade model to show the parametric effect of the building, and then the later stage of design and construction is carried out. However, such a large-scale spatial component model usually has problems such as insufficient accuracy, excessively large construction size, abnormally prominent component ...

Embodiment 3

[0082] This embodiment provides a building skin model, such as Figure 11 , 14 As shown in -17, the building skin model is formed by a matrix arrangement of model units, and each of the model units is formed by connecting several of the above-mentioned facade components in series through connecting fixtures in an up-and-down order, and the connecting fixtures It also plays the role of fixing the model unit on the building structure.

[0083] Further, in this embodiment, the connection fixture includes a hollow external thread connector 9, a rectangular square tube connector 11 and a round tube insert 10; the rectangular square tube connector 11 is provided with perforations, and the An internal thread matching the external thread of the hollow external thread connector 9 is provided in the perforation; the hollow external thread connector 9 is fixed on the rectangular square tube connector 11, and the hollow external thread connector 9 is Insert the circular pipe insert 10, ...

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Abstract

The invention provides a BIM (Building Information Modeling)-based parameterized building facade design method, a facade component and a skin model. According to the design method, Rhino and Grasshopper software are applied on the basis of BIM, and a pixelated grid 2D normal projection 3D curved surface space grating geometric subdivision method is adopted; the method specifically comprises the six steps of extracting pixel grid points and 2D grid intersecting lines, constructing a building facade texture of an overall space body block, reconstructing a body block model of the overall space body block, further reconstructing a deepening model of the overall space body block, reconstructing a parameterized facade texture skin component and reconstructing a building skin model. The facade component is obtained through the design method and comprises a component body, the component body is formed by assembling a pair of triangular prism-shaped grids and a connecting piece arranged between the pair of triangular prism-shaped grids, the connecting piece comprises a cushion block and a connecting shaft embedded in a through hole in the cushion block, and the cushion block is embedded between the pair of triangular prism-shaped grids; sealing plates are arranged at the upper and lower ends of the component body. The method can guide the mass production of novel building industrialization.

Description

technical field [0001] The invention belongs to the technical field of building facade design, and in particular relates to a BIM-based parametric building facade design method, a facade component, and a skin model. Background technique [0002] In the field of architectural design, designers usually use the parametric software Rhino and Grasshopper of architectural digital information technology (BIM) to model and design the conceptual scheme of parametric buildings, and generally use large-scale spaces directly in industrial construction Components to directly express the conceptual effect of the architectural plan and assemble the skin model of the building facade texture, and then carry out the construction design and construction in the later stage of the project. The existing parametric building facade texture is usually composed of a double-layer skin structure in industrial construction. The skin of the external pattern effect part is composed of parametric large-sca...

Claims

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Application Information

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IPC IPC(8): G06F30/13G06F30/23G06T3/00G06T17/20E04B2/90
CPCE04B2/90G06T3/005G06T17/20G06F30/13G06F30/23
Inventor 鞠瑞馨丛阳刘鹏飞
Owner 中国建筑东北设计研究院有限公司
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