CN109304788A - A kind of method of construction and composite plate of the composite plate of 3D printing braiding integrated molding - Google Patents
A kind of method of construction and composite plate of the composite plate of 3D printing braiding integrated molding Download PDFInfo
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- CN109304788A CN109304788A CN201811039148.0A CN201811039148A CN109304788A CN 109304788 A CN109304788 A CN 109304788A CN 201811039148 A CN201811039148 A CN 201811039148A CN 109304788 A CN109304788 A CN 109304788A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/001—Rapid manufacturing of 3D objects by additive depositing, agglomerating or laminating of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y70/00—Materials specially adapted for additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y80/00—Products made by additive manufacturing
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
Abstract
The invention discloses the methods of construction and composite plate of a kind of composite plate of 3D printing braiding integrated molding, and the composite plate includes bottom plate and rib of slab, comprising: choose basic structure component, carry out structure space optimization；Determine the braiding range of wire rod, and in braiding range setting braiding anchor point；Determine the braiding dosage of wire rod；Braiding process is determined according to braiding range and braiding dosage, and is designed with matrix printing process common combination, and printing braiding integrated process is formed；Prepare 3D printing material；3D printing matrix is carried out according to printing braiding integrated process and is incorporated into wire rod, obtains composite plate.The composite plate of method of construction preparation provided by the invention substitutes reinforcing bar using high-strength wire rod, reduce construction program and beautifies the spatial modelling of composite plate, and effectively improve 3D printing matrix tension, shearing resistance, wear-resistant and cracking resistance, greatly enhance the fracture toughness and shock resistance of structural elements, the fatigue behaviour and its durability of lifting member.
Description
Technical field
The present invention relates to building structure technology field, in particular to a kind of composite plate of 3D printing braiding integrated molding
Preparation method and composite plate.
Background technique
Since the intensity and durability of existing printed material are urgently promoted always, current 3D printing technique also lack matrix with
Traditional reinforcing material causes these printing building element such as floors to be limited to printed material performance such as the combining form of reinforcing bar, more
It is built for the Small Civil of the small span in small space.Increase structural span and drag, needs effectively to introduce increasing in printing floor
Strong material.
Plate shape is flat, and width-thickness ratio is big, is one of most common building element.The construction of plate needs a large amount of templates, foot hand
Engineering, a large amount of plates need prefabricated processing in modern structure, if can exempt from mould construction using 3D printing technique, will bring construction
Significant improvement in program.
Mold is not necessarily to using existing 3D printing material 3D printing building, increases material self-control, it is quick and convenient；But these printed materials
Mostly fragile material, tensile strength is lower, is unable to satisfy the bending resistance and tension demand of floor member, needs and a kind of flexible height
By force, the variable combination of materials of geometry forms tough spatial network, could ensure carrying energy of the structure under a variety of applying working conditions
Power, deformability and endurance quality.And traditional structural steel and complex fiber material manufactures mostly in the form of muscle material, needs basis
Design is cut, and is bound, and positioning forms rigid backbone, and working procedure is many and diverse, it is difficult to merge collection with existing 3D printing technique
At.
Disclosed 3D printing construction techniques at this stage, the Chinese patent literature such as Publication No. CN106760532A are public
A kind of architecture construction method based on 3D printing is opened, the Chinese patent literature of Publication No. CN105756187A discloses one
The building work of kind of 3D printing technique with concrete ining conjunction with makes, construction method, is all the shaped plastic ability printing for utilizing 3D printing technique
Then shell adopts cutting reinforcing bar, binding, and positioning lifting finally pours normal concrete in 3D template and assembles the two,
This mode of construction saves form work engineering just with 3D printing technique, 3D printing technique is not made full use of to form integration
The intelligent building technology of automation, and this technology is also unsuitable for the floor construction of thinner thickness.
To sum up, how existing 3D printing technique and existing cement-based gelling material are used, with high-strength and high ductility composite wood
It is critical issue at this stage that material, which combines manufacture board member,.
Summary of the invention
The purpose of the present invention is to provide a kind of method of construction of the composite plate of 3D printing braiding integrated molding, the present invention
The composite plate of the method for construction preparation of offer substitutes reinforcing bar using high-strength wire rod, reduces construction program and has beautified compound
The spatial modelling of plate, and 3D printing matrix tension, shearing resistance, wear-resistant and cracking resistance are effectively improved, greatly enhance structural elements
Fracture toughness and shock resistance, the fatigue behaviour and its durability of lifting member.
A kind of method of construction of the composite plate of 3D printing braiding integrated molding, composite plate include bottom plate and rib of slab, including
Following steps:
(1) basic structure component is chosen, uses finite element analysis after spatial modeling, in conjunction with Stress Map, setting differentiates domain,
Carry out structure space optimization, the composite plate structure after being optimized；
(2) according to the tensile stress of the composite plate structure after optimization distribution and composite plate by force threshold be according to determine
The braiding range of wire rod, and in braiding range setting braiding anchor point；The braiding of wire rod is determined according to the bearing capacity of composite plate
Dosage；
(3) the braiding range and braiding dosage obtained according to step (2) determines braiding process, and total with matrix printing process
Same Combination Design forms printing braiding integrated process；
(4) 3D printing material is prepared；
(5) 3D printing matrix is carried out according to the printing braiding integrated process in step (3) and is incorporated into wire rod, obtained compound
Plate.
In step (1), the method for space bodily form optimization is selected from bi-directional evolutionary structural optimization method, figure topological optimization, described
Figure topological optimization be selected from homogenization method, density variable method, Evolutionary structural optimization (ESO) or Level Set Method.
In step (2), calculating of distribution of the wire rod on bottom plate matrix referring to armoured concrete slab quantity of reinforcement
Method replaces reinforcement yielding intensity to be calculated with wire rod tensile strength.
In step (2), setting braiding anchor point is the stereo weaving in order to realize wire rod, ensures braiding precision and structure
Stress safety, structural modeling is more reasonable, designs accurate implement.
In step (3), the printing weaves integrated process are as follows:
The first layer matrix of (3-1) printing bottom plate；
(3-2) is incorporated into wire rod after braiding anchor point injection screw positioning, and the material winds being incorporated into are on the screw of injection；
(3-3) repeats step (3-1)-(3-2), successively prints matrix and braided yarn on bottom plate, forms bottom plate；
The first layer matrix of (3-4) printing rib of slab；
(3-5) is incorporated into wire rod after braiding anchor point injection screw positioning, and the material winds being incorporated into are on the screw of injection；
(3-6) repeats step (3-4)-(3-5), successively prints matrix and braided yarn on rib of slab, forms rib of slab；It obtains
Composite plate.
3D printing material has the characteristics that rapid shaping and convenient construction, with higher compared with ordinary cement sill
Intensity and moulding ability.
3D printing material one kind or at least two in cement-based material, gypsum material, plastics or nylon material
The combination of kind.
The 3D printing material further includes enhancing component, and the enhancing group is selected from fibre-forming polymer, extruding microballon, treasure
One of pearl, oligomer, graphite rare earth, nano material, resin or rubber or at least two combination.
The wire rod is selected from the group of one of steel strand wires, fiber composite wire rod or nanometer wire rod or at least two
It closes.Reinforcing bar is replaced using wire rod, high-strength light, geometry is variable, the twisted braiding of multiply wire rod, mantle friction system with higher
Number, and matrix integrated molding cooperative bearing, ensure the new structural mechanical property of obdurability, anti-seismic performance, fatigue behaviour and
Durability.
In the present invention, wire rod also known as rope material.
Method of construction provided by the invention can adjust material according to different structure region and function, such as Side fascia uses
It is sun-proof wear-resisting, the 3D basis material of insulation；Floor uses high-strength light, the basis material of the anti-folding of high-ductility.It simultaneously can also be with
Structural style optimization is carried out according to different function demand, such as the floor based on unidirectional power transmission selects fish-bone and scale moulding, it is double
Honeycomb and meter Ge moulding are selected to the floor of power transmission, reaches and enriches variable spatial modelling, realize the unification of power and beauty.
Technical effect of the invention is embodied in:
1. replacing traditional architecture to build form work engineering and steel in construction using 3D printing knitting skill in construction projects
Muscle cage binds process and manufactures plate-type component, can be used for floor, load-bearing plate and insulating board.
2. substituting conventional concrete using 3D printing matrix, reinforcing bar is substituted using high-strength wire rod, is printed and is woven using space
Forming technique replaces conventional building construction technique, forms space-load system, not only reduces construction program, reduce labor
Fatigue resistance, and beautified the spatial modelling of composite plate.
3. the flexible knitting enhanced form of high-strength wire rod, can both establish one's own system, can also be combined with existing muscle material
Design and construction, effectively improve 3D printing matrix tension, shearing resistance, wear-resistant and cracking resistance, greatly enhance the fracture of structural elements
Toughness and shock resistance, the fatigue behaviour and its durability of lifting member highlight 3D printing building advantage comprehensively, no longer office
It is limited to small building structure.
4. designing using building board figure space optimization, structure type is reasonably selected, using space orientation, by high-strength line
Material is integrated weaved to form tough composite board into printing substrate, makes each position of building that can reach structural mechanics not
With requirement, and economical and beautiful, plastic arts can be can reach on the basis of safe and reliable.
5. large space building board, braiding part can be individually printed with subregion, be then assembled into as entirety, using default
Joggle joint structural component and post-tensioned prestressing technique reinforce globality.The novel tough component can also be combined with conventional building construction, be had
Flexible and changeable compatibility and universality.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the spatial modelling of two composite plate in embodiment 1 after bodily form optimization；
Fig. 2 is direct stress and principal tensile stress distribution map in first item composite plate under load action in embodiment 1；
Fig. 3 is that the printing of composite plate in embodiment 1 weaves flow chart；
Fig. 4 is that the printing of composite plate in embodiment 1 weaves process schematic.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
Embodiment 1
(1) basic structure component is chosen, uses finite element analysis after spatial modeling, in conjunction with Stress Map, setting differentiates domain,
Carry out structure space optimization, the composite plate structure after being optimized.
Flooring board size and kenel: require setting floorboard 1 having a size of 2*6*0.07m, 2 thickness of rib of slab according to architectural construction
For 0.06*0.04m.Meet the plate of this requirement there are many moulding, Fig. 1 shows that two spatial modelling after bodily form optimization is preferable
Plate.The spatial model for establishing plate finds that the stress distribution of first item spatial plate in Fig. 1 is more closed based on force analysis of finite element
It manages, deform relatively small, select first item spatial plate in Fig. 1 as the composite plate structure of printing braiding object.
(2) according to the tensile stress distribution (as shown in Figure 2) of the composite plate structure after step (1) optimization and the stress of plate
Threshold value is according to the braiding range for determining reinforcement wire rod；The braiding dosage of wire rod is determined according to the bearing capacity of composite plate.
Specifically, braiding range and braiding dosage are referred to the calculation method of armoured concrete slab quantity of reinforcement.This implementation
Wire rod in example is steel strand wires.
(3) the braiding range and braiding dosage obtained according to step (2) determines braiding process, and total with matrix printing process
Same Combination Design forms printing braiding integrated process.
Specifically, printing braiding integrated process is as shown in Figure 3.
Specific steps are as follows:
The first layer matrix of (3-1) printing bottom plate；
(3-2) is incorporated into wire rod after braiding anchor point injection screw positioning, and the material winds being incorporated into are on the screw of injection；
(3-3) repeats step (3-1)-(3-2), successively prints matrix and braided yarn on bottom plate, forms bottom plate；
The first layer matrix of (3-4) printing rib of slab；
(3-5) is incorporated into wire rod after braiding anchor point injection screw positioning, and the material winds being incorporated into are on the screw of injection；
(3-6) repeats step (3-4)-(3-5), successively prints matrix and braided yarn on rib of slab, forms rib of slab；It obtains
Composite plate.
(4) 3D printing material is prepared, 3D printing material is cement-based material.
(5) 3D printing matrix is carried out according to the printing braiding integrated process in step (3) and is incorporated into wire rod, obtained compound
Plate.The process of printing braiding composite plate as shown in figure 4, A be printing starting point, B be braiding starting point, C is wire rod, D is nailing,
Arrow direction is Print direction.
In the present embodiment, wire rod is steel strand wires.
Above-described embodiment is only used for illustrating inventive concept of the invention, rather than the restriction to rights protection of the present invention,
All any simple modification, equivalent change and modification substantially made to the above embodiment of technology and methods according to the present invention,
In the range of still falling within technology and methods scheme of the invention.
Claims (7)
1. a kind of method of construction of the composite plate of 3D printing braiding integrated molding, the composite plate includes bottom plate and rib of slab, packet
Include following steps:
(1) basic structure component is chosen, uses finite element analysis after spatial modeling, in conjunction with Stress Map, setting differentiates domain, carries out
Structure space optimization, the composite plate structure after being optimized；
(2) according to the tensile stress of the composite plate structure after optimization distribution and composite plate by force threshold be according to determine wire rod
Braiding range, and braiding range setting braiding anchor point；The braiding dosage of wire rod is determined according to the bearing capacity of composite plate；
(3) the braiding range and braiding dosage obtained according to step (2) determines braiding process, and prints common group of process with matrix
Design is closed, printing braiding integrated process is formed；
(4) 3D printing material is prepared；
(5) 3D printing matrix is carried out according to the printing braiding integrated process in step (3) and is incorporated into wire rod, obtain composite plate.
2. the method for construction of the composite plate of 3D printing braiding integrated molding according to claim 1, which is characterized in that
In step (2), distribution of the wire rod on bottom plate matrix uses wire rod referring to the calculation method of armoured concrete slab quantity of reinforcement
Tensile strength replaces reinforcement yielding intensity to be calculated.
3. the method for construction of the composite plate of 3D printing braiding integrated molding according to claim 1, which is characterized in that
In step (3), the printing weaves integrated process are as follows:
The first layer matrix of (3-1) printing bottom plate；
(3-2) is incorporated into wire rod after braiding anchor point injection screw positioning, and the material winds being incorporated into are on the screw of injection；
(3-3) repeats step (3-1)-(3-2), successively prints matrix and braided yarn on bottom plate, forms bottom plate；
The first layer matrix of (3-4) printing rib of slab；
(3-5) is incorporated into wire rod after braiding anchor point injection screw positioning, and the material winds being incorporated into are on the screw of injection；
(3-6) repeats step (3-4)-(3-5), successively prints matrix and braided yarn on rib of slab, forms rib of slab；It obtains compound
Plate.
4. the method for construction of the composite plate of 3D printing braiding integrated molding according to claim 1, which is characterized in that institute
The 3D printing material stated it is a kind of in cement-based material, gypsum material, plastics or nylon material or at least two combination.
5. the method for construction of the composite plate of 3D printing braiding integrated molding according to claim 1 or 4, feature exist
It further include enhancing component in, the 3D printing material, the enhancing group is selected from fibre-forming polymer, extruding microballon, pearl, low
One of polymers, graphite rare earth, nano material, resin or rubber or at least two combination.
6. the method for construction of the composite plate of 3D printing braiding integrated molding according to claim 1, which is characterized in that institute
The wire rod stated is selected from the combination of one of steel strand wires, fiber composite wire rod or nanometer wire rod or at least two.
7. the construction of the composite plate of 3D printing braiding integrated molding described in any one claim according to claim 1~6
The composite plate that method is built.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110370630A (en) * | 2019-05-28 | 2019-10-25 | 北京机科国创轻量化科学研究院有限公司 | A kind of composite three dimensional method for weaving and continuous fiber increasing material manufacturing combined shaping method |
| CN110774407A (en) * | 2019-10-21 | 2020-02-11 | 浙江大学 | Construction method of space aggregate reinforced 3D printed concrete structure |
| CN111015891A (en) * | 2019-12-02 | 2020-04-17 | 浙江大学 | Interlayer embedding and binding method for 3D printed concrete structure |
| CN111335636A (en) * | 2020-03-31 | 2020-06-26 | 江苏建筑职业技术学院 | 3D construction method of net-shaped reinforced concrete curved roof structure |
| CN111519954A (en) * | 2020-04-17 | 2020-08-11 | 浙江大学 | Construction method of 3D printing negative pressure medical cabin based on topology optimization |
| CN112883616A (en) * | 2021-02-26 | 2021-06-01 | 山东大学 | 3D printing nozzle path optimization method facing fiber reinforced structure |
| US20210340756A1 (en) * | 2018-09-06 | 2021-11-04 | Zhejiang University | Construction method of 3d printing and weaving intergtated building |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20210340756A1 (en) * | 2018-09-06 | 2021-11-04 | Zhejiang University | Construction method of 3d printing and weaving intergtated building |
| CN110370630A (en) * | 2019-05-28 | 2019-10-25 | 北京机科国创轻量化科学研究院有限公司 | A kind of composite three dimensional method for weaving and continuous fiber increasing material manufacturing combined shaping method |
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| CN111015891A (en) * | 2019-12-02 | 2020-04-17 | 浙江大学 | Interlayer embedding and binding method for 3D printed concrete structure |
| CN111015891B (en) * | 2019-12-02 | 2020-11-17 | 浙江大学 | Interlayer embedding and binding method for 3D printed concrete structure |
| CN111335636A (en) * | 2020-03-31 | 2020-06-26 | 江苏建筑职业技术学院 | 3D construction method of net-shaped reinforced concrete curved roof structure |
| CN111519954A (en) * | 2020-04-17 | 2020-08-11 | 浙江大学 | Construction method of 3D printing negative pressure medical cabin based on topology optimization |
| CN112883616A (en) * | 2021-02-26 | 2021-06-01 | 山东大学 | 3D printing nozzle path optimization method facing fiber reinforced structure |
| CN112883616B (en) * | 2021-02-26 | 2022-04-22 | 山东大学 | 3D printing nozzle path optimization method facing fiber reinforced structure |
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