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Building method of 3D printing weaving integrated forming building

A 3D printing and construction method technology, applied in building construction, building material processing, construction, etc., to ensure the safety of structural stress, convenient construction, and solve the defects in strength and toughness performance.

Active Publication Date: 2019-01-18
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The construction method provided by the invention solves the defects of existing 3D printing substrates in terms of strength and toughness, and also makes up for the lack of structural space spanning capacity and bearing capacity. It is convenient for construction, fast and applicable, and has high toughness, fatigue resistance and Long life and other advantages; so that each part of the building can not only meet the different requirements of structural mechanics, but also achieve economical beauty and artistic appearance on the basis of safety and reliability.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • Building method of 3D printing weaving integrated forming building
  • Building method of 3D printing weaving integrated forming building
  • Building method of 3D printing weaving integrated forming building

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0050] The design space model of the portal arch is used as a reference for the construction of the bridge structure.

[0051] 1. Determine the structural form and space shape according to the structural and functional requirements. Bridges usually choose beam or arch structures as their main stress components. 3D printing cement-based materials usually have high compressive strength and low tensile strength. Choosing arch shapes as the main stress components of bridge structures can make full use of the material's resistance compressive properties to avoid structural tensile fracture failure.

[0052] The spatial modeling and structural force of the arch structure are selected by structural topology optimization. In order to avoid missing the global optimal solution, two methods of truss discrete structure and continuum topology or a combination of the two can be used. The optimized structural form is regularized as figure 2 As shown, including scheme a and scheme b, the 3...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Abstract

The invention discloses a building method of a 3D printing weaving integrated forming building, which comprises the following steps: selecting basic structural components, using finite element analysis after space modeling, combining stress cloud pictures, setting a judgment field, carrying out structural space optimization, obtaining a structural component framework, carrying out calculation analysis on the structural component framework, determining the knitting range and the knitting density of the wire according to the weak surface of the structure, determining the printing process and theknitting process according to the framework of the structural component and the knitting range and the knitting density of the wire, preparing 3D printing materials; processing 3D printing substrateand wire materials according to the printing process and the knitting process, one-time forming of the superposition after construction layer by layer, or connecting through a preset tenon construction segment after the segment is printed. The building method of a 3D printing and weaving integrated forming building has the advantages of high toughness, fatigue resistance, and long service life, and enables the various parts of the building to not only achieve different requirements of structural mechanics, but also achieve economic beauty and type art on the basis of safety and reliability.

Description

technical field [0001] The invention relates to the technical field of construction, in particular to a construction method of a 3D printing and weaving integrated building. Background technique [0002] Since the strength and durability of existing printing materials have been urgently improved, the current 3D printing technology also lacks the combination of matrix and traditional reinforcement materials, such as steel bars, resulting in the printing structure type being limited by the material properties, and most of them are small spaces and small spans. Small civil buildings. [0003] Existing 3D building materials are very rich, CN107603162A discloses a high-strength and high-toughness 3D printing material for construction; CN107619230A discloses a concrete material for 3D printing; CN107200536A discloses a rapid prototyping 3D printing paste for construction material and its preparation method; CN107177155A discloses a high-strength UV-resistant 3D printing material ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B28B1/00B29C64/10B29C64/20
CPCB28B1/001B29C64/10B29C64/20B33Y10/00B33Y80/00B33Y50/00B29C64/386B29C70/682E04G21/0463E04B1/3505G06F30/23G06F30/13G06F2113/10B29C64/188B29K2077/00B29K2305/12B29L2031/10E04G21/02E04G21/14B28B1/523
Inventor 孙晓燕王海龙陈杰汪群高超张治成
Owner ZHEJIANG UNIV
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