CN112922346A - 3D printing house building system with steel bar reinforced structure and method - Google Patents
3D printing house building system with steel bar reinforced structure and method Download PDFInfo
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- CN112922346A CN112922346A CN202110119328.5A CN202110119328A CN112922346A CN 112922346 A CN112922346 A CN 112922346A CN 202110119328 A CN202110119328 A CN 202110119328A CN 112922346 A CN112922346 A CN 112922346A
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- reinforced
- steel bar
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 103
- 239000010959 steel Substances 0.000 title claims abstract description 103
- 238000010146 3D printing Methods 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000010410 layer Substances 0.000 claims abstract description 51
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 47
- 238000005266 casting Methods 0.000 claims abstract description 19
- 239000006260 foam Substances 0.000 claims abstract description 19
- 239000004567 concrete Substances 0.000 claims abstract description 13
- 239000000853 adhesive Substances 0.000 claims abstract description 7
- 230000001070 adhesive effect Effects 0.000 claims abstract description 7
- 239000011229 interlayer Substances 0.000 claims abstract description 7
- 238000007639 printing Methods 0.000 claims description 42
- 239000003829 resin cement Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 238000005516 engineering process Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000004568 cement Substances 0.000 claims description 4
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 2
- 229920006328 Styrofoam Polymers 0.000 claims 1
- 239000008261 styrofoam Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920006327 polystyrene foam Polymers 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/16—Structures made from masses, e.g. of concrete, cast or similarly formed in situ with or without making use of additional elements, such as permanent forms, substructures to be coated with load-bearing material
Abstract
The invention discloses a 3D printing house building system with a reinforced structure and a method, comprising a concrete structure bottom plate, a 3D printing reinforced concrete wall, a lost foam wall casting, a transverse reinforced structure body and vertical reinforced bars; the 3D printing reinforced concrete wall is provided with the lost foam wall casting on each layer so as to construct a wall with reserved holes; the transverse steel bar structure body comprises a steel bar cage, steel rings are arranged at two ends of the steel bar cage respectively, and the transverse steel bar structure body is horizontally laid at the interlayer position of the 3D printed reinforced concrete wall body at intervals; the vertical steel bars penetrate through the reserved holes from top to bottom and are inserted into the steel rings for fixing; and the transverse steel bar structure body, the 3D printed reinforced concrete wall body and the gap between the vertical steel bars are bonded and fixed through an adhesive. The connection stability of the transverse steel bar structure body and the vertical steel bars is improved, the connection strength of each layer of members in the wall body is enhanced, and the wall body has stronger bearing capacity.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a 3D printing house building system with a reinforced structure and a method.
Background
The traditional building has the defects of long construction period, large labor consumption, various raw materials, high cost and the like, so that the 3D printing building becomes an important expression form for the intelligent production of the building industry at present under the promotion of new technologies and policies. However, the 3D printing building mainly uses a 3D printing technology, and the building is constructed by building a digital model through a BIM technology and printing layer by layer. The printing wall body is formed by stacking cement materials layer by layer, the structure is single, the integrated forming is realized, structural members such as reinforcing steel bars are not arranged in the wall body for supporting, and the problems of poor building integrity, low stability and low structural safety generally exist.
Disclosure of Invention
The invention aims to provide a 3D printing house building system with a reinforced structure and a method, which fundamentally solve the problems of poor integrity, low stability and low structural safety of a 3D printing building.
The invention adopts the following technical scheme for realizing the aim of the invention:
the invention provides a 3D printing house building system with a reinforced structure, which comprises a concrete structure bottom plate, a 3D printing reinforced concrete wall, a lost foam wall casting, a transverse steel bar structure body and vertical steel bars, wherein the concrete structure bottom plate is provided with a plurality of vertical steel bars;
the 3D printing reinforced concrete wall is provided with the lost foam wall casting on each layer so as to construct a wall with reserved holes;
the transverse steel bar structure bodies comprise steel bar cages, steel rings are arranged at two ends of each steel bar cage respectively, and the transverse steel bar structure bodies are laid at the interlayer positions of the 3D printed reinforced concrete wall at intervals;
the vertical steel bars penetrate through the reserved holes from top to bottom and are inserted into the steel rings for fixing;
and the transverse steel bar structure body, the 3D printed reinforced concrete wall body and the gap between the vertical steel bars are bonded and fixed through an adhesive.
Furthermore, the lost foam wall casting is made of polystyrene foam.
Further, the printing material for 3D printing of the reinforced concrete wall adopts resin cement and a curing agent.
Further, the resin cement is a high-strength slurry formed by mixing resin mortar and cement.
Further, the steel rings are arranged at two ends of the reinforcement cage in a welding mode.
Furthermore, the steel ring is a closed or semi-closed steel ring.
Furthermore, the number of the steel rings is the same as that of the vertical steel bars, and the diameter of each steel ring is larger than that of each vertical steel bar.
The invention provides a 3D printing house building method with a steel bar reinforced structure, which comprises the following steps:
arranging transverse reinforcing mesh sheets, and pouring reinforced concrete for molding at one time to finish the manufacture of the cast-in-place concrete structure base plate;
printing layer by layer on a bottom plate of a cast-in-place concrete structure to manufacture a 3D printed reinforced concrete wall, wherein each layer of 3D printed reinforced concrete wall is provided with a lost foam wall casting, and constructing a wall with reserved holes in a layer-by-layer printing mode;
when the 3D printing reinforced concrete wall reaches a certain height, horizontally laying a layer of transverse reinforced structure body at the interlayer position of the wall, enabling steel rings at two ends of the transverse reinforced structure body to be just arranged on the reserved holes, and further printing until the 3D printing of the reinforced concrete wall is finished;
the vertical steel bars penetrate through the reserved holes from top to bottom and are inserted into steel rings at two ends of the transverse steel bar structure body for fixing;
and (3) forming a complete pouring member by quickly vibrating a gap between the transverse steel bar structure body, the 3D printed reinforced concrete wall body and the vertical steel bars through an adhesive.
Further, the 3D printing reinforced concrete wall body is manufactured by layer-by-layer printing, a lost foam wall body casting is arranged on each layer, and the method for constructing the wall body with the reserved holes in a layer-by-layer printing mode comprises the following steps:
the 3D printing reinforced concrete wall body is manufactured in a layer-by-layer printing mode through 3D printing equipment, a lost foam wall body casting is arranged on each layer of 3D printing reinforced concrete wall body, the 3D printing reinforced concrete technology is applied, the spray heads are printed through two types, the wall body with the reserved holes is constructed in a layer-by-layer printing mode, one type of printing spray head printing material is resin cement, the other type of printing spray head printing material is a curing agent, and one layer of curing agent needs to be laid when each layer of resin cement is laid through the printing spray heads.
The invention has the following beneficial effects:
the method is characterized in that a 3D printing reinforced concrete technology is adopted, each layer of the wall body is provided with a lost foam wall body casting, the wall body with the reserved holes is constructed in a layer-by-layer printing mode, horizontal steel bar structural bodies are horizontally laid at the positions between layers of the wall body at intervals, vertical steel bars penetrate through the reserved holes from top to bottom and are inserted into the horizontal steel bar structural bodies to be fixed with steel rings, formed gaps are formed through pouring of ultrahigh-performance adhesives and rapid vibration to form complete pouring components, the connection stability of the horizontal steel bar structural bodies and the vertical steel bars is improved, the connection strength of all layers of components inside the wall body is enhanced, and the wall body has stronger bearing capacity.
Drawings
Fig. 1 is a schematic structural diagram of a second step in a 3D-printed house building method with a reinforced steel structure according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of the completed step three in the 3D printed house building method with the reinforced steel structure according to the embodiment of the present invention;
fig. 3 is a schematic structural diagram of the completed structure of step four in the 3D printed house building method with the reinforced steel structure according to the embodiment of the present invention;
fig. 4 is a structural schematic diagram of the completion of step five in the 3D printed house building method with the reinforced steel structure according to the embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to the attached drawings 1-4, the invention provides a 3D printing house building system with a reinforced structure, which comprises a concrete structure bottom plate 1, a 3D printing reinforced concrete wall 2, a reserved hole 21, a transverse reinforced structure body 3, vertical reinforced bars 4, a pouring member 5 and a lost foam wall casting 6. Wherein, the concrete structure bottom plate 1 is a cast-in-place concrete structure. The 3D printing reinforced concrete wall body 2 is manufactured by a 3D printing special device in a field layer-by-layer printing mode, a lost foam wall body casting 6 is arranged on each layer, and a wall body with reserved holes 21 is constructed. The transverse steel bar structure body 3 is prefabricated in a factory and comprises a steel bar cage and steel rings 31, and the steel rings 31 are arranged at two ends of the steel bar cage in a welding mode. And the transverse steel bar structural bodies 3 are horizontally laid at the interlayer positions of the 3D printed reinforced concrete wall body 2 at intervals. The vertical steel bar 4 penetrates through the reserved hole 21 and the steel ring 31 from top to bottom. Further, the lost foam wall casting 6 is made of polystyrene foam plastic and can be gasified by heating. The printing materials for 3D printing of the reinforced concrete wall 2 are resin cement 22 and a curing agent 23. The resin cement 22 is a high-strength slurry obtained by mixing resin mortar and cement. The steel ring 31 is in the shape of a closed or semi-closed steel ring. The number of the steel rings 31 is the same as that of the vertical steel bars 4 to be placed, and the diameter of the steel rings 31 is larger than that of the vertical steel bars 4 by 8-20 mm.
A3D printing house building method with a steel bar reinforced structure comprises the following steps: step one, constructing a concrete structure bottom plate 1, arranging a transverse reinforcing mesh, and pouring reinforced concrete at one time for molding to complete the cast-in-place concrete structure. And secondly, constructing a 3D printing reinforced concrete wall 2, and manufacturing the wall by a 3D printing special device in a field layer-by-layer printing mode, firstly arranging a lost foam wall casting 6 on each layer, then applying a 3D printing reinforced concrete technology, and printing layer by layer through two types of printing nozzles to construct a wall with reserved holes 21, wherein one type of printing nozzle printing material is resin cement 22, the other type of printing nozzle printing material is a curing agent 23, and one layer of curing agent 23 needs to be laid while each layer of resin cement 22 is laid in 3D printing, so that the wall is dried and condensed quickly, and is formed integrally. And step three, when the 3D printed reinforced concrete wall 2 reaches a certain height, a layer of transverse reinforced structural body 3 needs to be horizontally laid on the interlayer position of the wall by a machine, the vertical precision is ensured to be consistent, the steel ring 31 is ensured to be just placed on the reserved hole 21, and then the 3D printed reinforced concrete wall 2 is further printed until the 3D printed reinforced concrete wall 2 is completed. And step four, the vertical steel bars 4 penetrate through the reserved holes 21 from top to bottom and are inserted into the transverse steel bar structural body 3 to be fixed with the steel ring 31. And fifthly, forming a gap by pouring an ultrahigh-performance adhesive and quickly vibrating to form a complete pouring member 5, and bonding and fixing the complete pouring member 5 with the transverse reinforced concrete structure body 3 and the 3D printed reinforced concrete wall body 2. The connection stability of the transverse steel bar structure body and the vertical steel bars is further improved, the connection strength of each layer of members in the wall body is enhanced, and the wall body has stronger bearing capacity.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A3D printing house building system with a steel bar reinforced structure is characterized by comprising a concrete structure bottom plate, a 3D printing reinforced concrete wall, a lost foam wall casting, a transverse steel bar structure body and vertical steel bars;
the 3D printing reinforced concrete wall is provided with the lost foam wall casting on each layer so as to construct a wall with reserved holes;
the transverse steel bar structure bodies comprise steel bar cages, steel rings are arranged at two ends of each steel bar cage respectively, and the transverse steel bar structure bodies are laid at the interlayer positions of the 3D printed reinforced concrete wall at intervals;
the vertical steel bars penetrate through the reserved holes from top to bottom and are inserted into the steel rings for fixing;
and the transverse steel bar structure body, the 3D printed reinforced concrete wall body and the gap between the vertical steel bars are bonded and fixed through an adhesive.
2. The 3D-printed house building system with the steel reinforced structure as recited in claim 1, wherein the lost foam wall casting is made of styrofoam.
3. The 3D printing house building system with the reinforced steel structure is characterized in that resin cement and curing agents are adopted as printing materials of the 3D printing reinforced concrete wall body.
4. The 3D printing house building system with the steel reinforced structure as claimed in claim 3, wherein the resin cement is a high-strength slurry mixed by resin mortar and cement.
5. The 3D printing house building system with the steel bar reinforced structure as recited in claim 1, wherein the steel rings are placed at both ends of the steel bar cage by welding.
6. The 3D printed house building system with the steel reinforcement structure according to claim 1, wherein the steel ring is a closed or semi-closed steel ring.
7. The 3D printing house building system with the steel bar reinforced structure according to claim 1, wherein the number of the steel rings is the same as the number of the vertical steel bars, and the diameter of the steel rings is larger than that of the vertical steel bars.
8. The 3D printed house building system with the reinforced structure according to claim 1, wherein the 3D printed reinforced concrete wall is made by printing layer by layer through a 3D printing device.
9. A3D printing house building method with a steel bar reinforced structure is characterized by comprising the following steps:
arranging transverse reinforcing mesh sheets, and pouring reinforced concrete for molding at one time to finish the manufacture of the cast-in-place concrete structure base plate;
printing layer by layer on a bottom plate of a cast-in-place concrete structure to manufacture a 3D printed reinforced concrete wall, wherein each layer of 3D printed reinforced concrete wall is provided with a lost foam wall casting, and constructing a wall with reserved holes in a layer-by-layer printing mode;
when the 3D printing reinforced concrete wall reaches a certain height, horizontally laying a layer of transverse reinforced structure body at the interlayer position of the wall, enabling steel rings at two ends of the transverse reinforced structure body to be just arranged on the reserved holes, and further printing until the 3D printing of the reinforced concrete wall is finished;
the vertical steel bars penetrate through the reserved holes from top to bottom and are inserted into steel rings at two ends of the transverse steel bar structure body for fixing;
and (3) forming a complete pouring member by quickly vibrating a gap between the transverse steel bar structure body, the 3D printed reinforced concrete wall body and the vertical steel bars through an adhesive.
10. The 3D-printed house building system with the reinforced structure, according to claim 1, wherein the 3D-printed reinforced concrete wall body is printed layer by layer, each layer is provided with a lost foam wall casting, and the method for constructing the wall body with the reserved holes in a layer-by-layer printing mode comprises the following steps:
the method comprises the steps of manufacturing a 3D printing reinforced concrete wall body in a layer-by-layer printing mode through a 3D printing device, arranging lost foam wall body castings on each layer, applying a 3D printing reinforced concrete technology, and constructing the wall body with reserved holes in a layer-by-layer printing mode through two types of printing nozzles, wherein one type of printing nozzle printing material is resin cement, the other type of printing nozzle printing material is a curing agent, and one layer of curing agent needs to be laid when each layer of resin cement is laid through the printing nozzles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110119328.5A CN112922346A (en) | 2021-01-28 | 2021-01-28 | 3D printing house building system with steel bar reinforced structure and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110119328.5A CN112922346A (en) | 2021-01-28 | 2021-01-28 | 3D printing house building system with steel bar reinforced structure and method |
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| Publication Number | Publication Date |
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| CN112922346A true CN112922346A (en) | 2021-06-08 |
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| CN202110119328.5A Pending CN112922346A (en) | 2021-01-28 | 2021-01-28 | 3D printing house building system with steel bar reinforced structure and method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033040A (en) * | 2021-11-08 | 2022-02-11 | 欢颜创新科技（杭州）有限公司 | House construction method and house |
| CN114108841A (en) * | 2021-11-12 | 2022-03-01 | 哈尔滨工业大学 | 3D printed concrete constructional column bottom vertical steel bar anchoring member and construction method |
| CN115059302A (en) * | 2022-07-22 | 2022-09-16 | 安徽润安景汇建筑工程有限公司 | A building outer wall system for 3D prints |
| CN115217273A (en) * | 2022-05-31 | 2022-10-21 | 中国建筑材料科学研究总院有限公司 | Reinforcement material and device for 3D printing of structures among concrete layers and construction method |
| CN115929038A (en) * | 2022-10-11 | 2023-04-07 | 深圳大学 | In-situ continuous reinforcement method for 3D printed concrete structure |
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Application publication date: 20210608 |