CN111379359A - Building 3D printed wall column structure and construction method thereof - Google Patents
Building 3D printed wall column structure and construction method thereof Download PDFInfo
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- CN111379359A CN111379359A CN202010185670.0A CN202010185670A CN111379359A CN 111379359 A CN111379359 A CN 111379359A CN 202010185670 A CN202010185670 A CN 202010185670A CN 111379359 A CN111379359 A CN 111379359A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
- E04B2/64—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of concrete
- E04B2/68—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of concrete made by filling-up wall cavities
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- 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
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- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
A3D printed wall column structure for building and a construction method thereof are provided, wherein the wall column structure comprises a concrete structure bottom plate, embedded steel bars, a 3D printed inner wall body, a 3D printed outer wall body, a 3D printed wall body inner rib, a structural column steel reinforcement cage and cast-in-place column concrete. According to the invention, the construction of the 3D printing wall body is carried out by adopting on-site 3D printing special equipment, after the printing construction is carried out to a certain height, the lapped reinforcing steel bars are connected with the embedded reinforcing steel bars through the reinforcing steel bar sleeves, the printing construction is continued to a single-layer height, then the structural column reinforcing cage is installed, and finally the cast-in-place concrete is poured, so that the structural column and the 3D printing wall body form an integral structure. The invention solves the problems of poor integrity and low structural safety of the on-site 3D printing building, improves the structural stability of the on-site 3D printing building technology, and ensures the construction quality.
Description
Technical Field
The invention belongs to the field of building construction, and particularly relates to a 3D printed wall column structure for a building and a construction method thereof.
Background
Concrete (mortar) 3D printing equipment can not carry out the site printing construction around the reinforcement cage that has already been under construction, consequently, the production of 3D printing prefabricated component is carried out at the mill to present 3D printing building mostly, the form of assembling is carried out at the job site, this kind of construction form has not only increased the construction process of assembling on the spot, does not embody the characteristics that 3D printed building wisdom was built, and the installation of assembling the node has influenced the wholeness of building to a certain extent, has increased the manufacturing cost of building, influences the construction quality of building.
Disclosure of Invention
The invention aims to provide a building 3D printed wall column structure and a construction method thereof, and aims to solve the problems that the existing 3D printing equipment cannot perform on-site printing construction around a constructed reinforcement cage and only can adopt spliced nodes, so that the building cost is high, the construction quality is influenced, and the on-site 3D printed building construction structural column has poor building integrity and low structural safety.
In order to achieve the purpose, the invention adopts the following technical scheme:
A3D printed wall column structure for buildings comprises a concrete structure bottom plate, embedded steel bars, steel bar sleeves, lap steel bars, a structural column steel bar cage, a 3D printed outer wall body, a 3D printed inner wall body rib and cast-in-place column concrete, wherein the structural column steel bar cage comprises vertical main steel bars and horizontal steel bars,
the 3D printing outer wall body and the 3D printing inner wall body are both L-shaped in the same shape, the 3D printing inner wall body is positioned on the inner side of the 3D printing outer wall body, the corner part of the 3D printing inner wall body and two 3D printing wall body inner ribs jointly enclose to form a column template for pouring cast-in-place column concrete, two ends of the 3D printing wall body inner rib are fixedly connected to the outer side of the 3D printing inner wall body and the inner side of the 3D printing outer wall body respectively,
a group of embedded steel bars are embedded in the concrete structure bottom plate in the enclosing range of the column template, the number of the embedded steel bars is the same as that of the vertical main steel bars, the bottoms of the embedded steel bars are embedded in the concrete structure bottom plate, the tops of the embedded steel bars extend out of the upper side of the concrete structure bottom plate, the extending parts of the embedded steel bars are provided with external threads, the number of the steel bar sleeves corresponds to that of the embedded steel bars one by one, the inner walls of the steel bar sleeves are provided with internal threads, the tops of the embedded steel bars extend into the bottoms of the steel bar sleeves and are in threaded connection with the steel bar sleeves, the bottoms of the lap-joint steel bars are provided with external threads, the numbers of the lap-joint steel,
the bottom of the vertical main reinforcement is arranged on the top end face of the steel bar sleeve and is close to one side of the lap joint steel bar, and cast-in-place column concrete is poured in the column template and wraps the embedded steel bar, the steel bar sleeve, the lap joint steel bar and the structural column steel bar cage which are exposed out of the upper side of the concrete structure bottom plate.
The material that 3D printed outer wall body, 3D printed interior wall body and 3D printed the interior rib of wall body is concrete or mortar.
The 3D prints outer wall body, the 3D prints interior wall body and 3D prints wall body inner rib and is formed through the integrative construction of on-the-spot 3D printing apparatus.
The embedded steel bars are fixedly connected with the steel bars of the concrete structure bottom plate in a welding or binding mode.
The steel bar sleeve is a steel bar mechanical connecting sleeve.
The strength grade of the cast-in-place column concrete is C25-C40.
The height of the embedded steel bars exposed out of the concrete structure bottom plate is 10 cm.
The diameter of the lapped reinforcing steel bar is the same as that of the embedded reinforcing steel bar, and the length of the lapped reinforcing steel bar is not less than 8 times of the diameter of the reinforcing steel bar.
A method of constructing a 3D printed wall stud construction for a building, comprising the steps of:
firstly, constructing a concrete structure bottom plate, wherein embedded steel bars are embedded in the positions of structural columns;
connecting the steel bar sleeve with the embedded steel bars through threads;
thirdly, 3D printing outer wall construction, 3D printing inner wall construction and 3D printing inner wall rib construction are carried out by using special 3D printing construction equipment, and a column template is formed at the corner;
fourthly, stopping 3D printing construction until the height of the 3D printing construction is 10cm lower than the height of the subsequent lapped reinforcing steel bars;
step five, connecting the lapped reinforcing steel bars with the reinforcing steel bar sleeve through threads, and then repeating the step three;
step six, stopping the 3D printing construction when the height of a single layer is reached, inserting the assembled structural column steel reinforcement cage at the structural column, enabling each vertical steel reinforcement of the structural column steel reinforcement cage to be in contact with the corresponding overlap steel reinforcement, and enabling the bottoms of the vertical steel reinforcements to be in contact with the top of the steel reinforcement sleeve and abut against the overlap steel reinforcement;
and seventhly, pouring and vibrating cast-in-place column concrete, maintaining after pouring is finished, and finishing construction.
Compared with the prior art, the invention has the following characteristics and beneficial effects:
the invention adopts the 3D printing wall body inner and outer wall bodies which are constructed on site as the templates of the building structure column, reserves the operation space of the construction structure column reinforcing steel bars, realizes the integrity of the building structure column and the 3D printing wall body, and realizes the connection of the reinforcing cage through the connection of the embedded reinforcing steel bars and the reinforcing steel bar sleeve. The construction method of the wall column structure has the characteristics of template-free, high construction efficiency and intelligent construction, ensures the integrity of buildings, ensures the construction quality, reduces the construction cost, improves the structural stability of the on-site 3D printing construction technology, and ensures the construction quality.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of connection between embedded steel bars and steel bar sleeves of a concrete structural bottom plate.
Fig. 3 is a schematic view of the connection of the overlap reinforcement to the reinforcement sleeve.
Fig. 4 is a schematic view of the connection between the vertical main reinforcement and the lap reinforcement.
Reference numerals: 1-concrete structure bottom plate, 2-embedded steel bars, 3-steel bar sleeves, 4-3D printed outer wall bodies, 5-3D printed wall inner ribs, 6-3D printed inner wall bodies, 7-lap steel bars, 8-vertical main steel bars and 9-cast-in-place column concrete.
Detailed Description
Referring to fig. 1-4, a building 3D printed wall column structure comprises a concrete structure bottom plate 1, embedded steel bars 2, steel bar sleeves 3, lapped steel bars 7, a structural column steel bar cage, a 3D printed outer wall 4, a 3D printed inner wall 6, a 3D printed inner wall rib 5 and cast-in-place column concrete 9, wherein the structural column steel bar cage comprises vertical main bars 8 and horizontal steel bars.
The same L type that is of shape that 3D printed interior wall body 4 and 3D printed interior wall body 6, and 3D prints interior wall body 6 and is located 3D and prints the inboard of outer wall body 4, and 3D prints the bight of outer wall body 4 and 3D and prints the bight of interior wall body 6 and two 3D and print that the wall body is interior rib 5 encloses jointly and closes the post template that supplies cast-in-place post concrete 9 to pour, 3D prints the both ends of wall body interior rib 5 fixed connection respectively in 3D prints the outside of interior wall body 6 and 3D and prints the inboard of outer wall body 4.
The concrete structure bottom plate 1 department that the column form enclosed the scope has pre-buried a set of embedded steel bar 2, the number of embedded steel bar 2 is the same with the number of vertical owner muscle 8, and during concrete structure bottom plate 1 was buried to the bottom of embedded steel bar 2, the upside of concrete structure bottom plate 1 was stretched out at the top of embedded steel bar 2, the protrusion had the external screw thread, steel sleeve 3 and embedded steel bar 2's number one-to-one have the internal thread on steel sleeve 3's the inner wall, and steel sleeve 3's bottom and rather than threaded connection are stretched into at embedded steel bar 2's top, the bottom of overlap joint reinforcing bar 7 has the external screw thread, and overlap joint reinforcing bar 7 and embedded steel bar 2's number one-to-one, and overlap joint reinforcing bar 7's bottom stretches into steel sleeve 3.
The bottom of the vertical main reinforcement 8 is arranged on the top end face of the steel bar sleeve 3 and is close to one side of the overlap joint steel bar 7, and cast-in-place column concrete 9 is poured in the column template and wraps the embedded steel bar 2, the steel bar sleeve 3, the overlap joint steel bar 7 and the structural column steel bar cage which are exposed out of the upper side of the concrete structural bottom plate 1.
The materials of the 3D printed outer wall body 4, the 3D printed inner wall body 6 and the 3D printed inner wall body rib 5 are concrete or mortar. The 3D printing outer wall body 4, the 3D printing inner wall body 6 and the 3D printing inner wall body rib 5 are formed through integrated construction of on-site 3D printing equipment.
The embedded steel bars 2 are fixedly connected with the steel bars of the concrete structure bottom plate 1 in a welding or binding mode. The steel bar sleeve 3 is a steel bar mechanical connecting sleeve. The strength grade of the cast-in-place column concrete 9 is C25-C40. The height of the embedded steel bars 2 exposed out of the concrete structure bottom plate is 10 cm. The diameter of the overlap joint reinforcing steel bar 7 is the same as that of the embedded reinforcing steel bar 2, and the length of the overlap joint reinforcing steel bar 7 is not less than 8 times of the diameter of the reinforcing steel bar.
A method of constructing a 3D printed wall stud construction for a building, comprising the steps of:
firstly, a concrete structure bottom plate 1 is constructed, and embedded steel bars 2 are embedded in the positions of structural columns.
And step two, connecting the steel bar sleeve 3 with the embedded steel bar 2 through threads.
And step three, 3D printing the outer wall 4, 3D printing the inner wall 6 and 3D printing the inner rib 5 of the wall by using special 3D printing construction equipment, and forming a column template at the corner.
And step four, stopping the 3D printing construction until the height of the 3D printing construction is 10cm lower than the height of the subsequent lapped reinforcing steel bars 7.
And step five, connecting the lapped reinforcing steel bars 7 with the reinforcing steel bar sleeve 3 through threads, and then repeating the step three.
And step six, stopping the 3D printing construction when the height of the single layer is reached, inserting the assembled structural column steel reinforcement cage at the structural column, enabling each vertical steel reinforcement of the structural column steel reinforcement cage to be in contact with the corresponding overlap steel reinforcement 7, and enabling the bottom of each vertical steel reinforcement to be in contact with the top of the steel reinforcement sleeve 3 and to abut against the overlap steel reinforcement 7.
And step seven, pouring and vibrating the cast-in-place column concrete 9, maintaining after pouring is finished, and finishing construction.
Claims (9)
1. The utility model provides a wall post structure that building 3D printed which characterized in that: comprises a concrete structure bottom plate (1), embedded steel bars (2), a steel bar sleeve (3), lap joint steel bars (7), a structural column steel bar cage, a 3D printing outer wall body (4), a 3D printing inner wall body (6), a 3D printing wall body inner rib (5) and cast-in-place column concrete (9), wherein the structural column steel bar cage comprises vertical main steel bars (8) and horizontal steel bars,
the 3D printing outer wall body (4) and the 3D printing inner wall body (6) are L-shaped in the same shape, the 3D printing inner wall body (6) is positioned on the inner side of the 3D printing outer wall body (4), the corner part of the 3D printing inner wall body (6) and two 3D printing inner wall body ribs (5) jointly enclose to form a column template for pouring cast-in-place column concrete (9), two ends of the 3D printing inner wall body rib (5) are fixedly connected to the outer side of the 3D printing inner wall body (6) and the inner side of the 3D printing outer wall body (4) respectively,
a group of embedded steel bars (2) are embedded in the concrete structure bottom plate (1) within the enclosing range of the column template, the number of the embedded steel bars (2) is the same as that of the vertical main bars (8), the bottom of the embedded steel bars (2) is embedded in the concrete structure bottom plate (1), the top of the embedded steel bars (2) extends out of the upper side of the concrete structure bottom plate (1), the extending part is provided with external threads, the steel bar sleeves (3) correspond to the embedded steel bars (2) in number one by one, the inner wall of the steel bar sleeves (3) is provided with internal threads, the top of the embedded steel bars (2) extends into the bottom of the steel bar sleeves (3) and is in threaded connection with the steel bar sleeves, the bottom of the lap steel bars (7) is provided with external threads, the lap steel bars (7) correspond to the embedded steel bars (2) in number one by one, and the bottom of the lap steel bars (7),
the bottom of the vertical main reinforcement (8) is placed on the top end face of the steel bar sleeve (3) and is close to one side of the lap joint steel bar (7), and cast-in-place column concrete (9) is poured in the column formwork and wraps the embedded steel bar (2), the steel bar sleeve (3), the lap joint steel bar (7) and the structural column steel bar cage which are exposed out of the upper side of the concrete structural bottom plate (1).
2. The architectural 3D printed wall stud construction of claim 1, wherein: the material that wall body (4), 3D printed interior wall body (6) and 3D printed wall body inner rib (5) is printed in 3D is concrete or mortar.
3. The architectural 3D printed wall stud construction of claim 1, wherein: the 3D printing outer wall body (4), the 3D printing inner wall body (6) and the 3D printing inner wall body rib (5) are formed through integrated construction of on-site 3D printing equipment.
4. The architectural 3D printed wall stud construction of claim 1, wherein: the embedded steel bars (2) are fixedly connected with steel bars of the concrete structure bottom plate (1) in a welding or binding mode.
5. The architectural 3D printed wall stud construction of claim 1, wherein: the steel bar sleeve (3) is a steel bar mechanical connecting sleeve.
6. The architectural 3D printed wall stud construction of claim 1, wherein: the strength grade of the cast-in-place column concrete (9) is C25-C40.
7. The architectural 3D printed wall stud construction of claim 1, wherein: the height of the embedded steel bars (2) exposed out of the concrete structure bottom plate is 10 cm.
8. The architectural 3D printed wall stud construction of claim 1, wherein: the diameter of the lap joint reinforcing steel bar (7) is the same as that of the embedded reinforcing steel bar (2), and the length of the lap joint reinforcing steel bar (7) is not less than 8 times of the diameter of the reinforcing steel bar.
9. A method of constructing a 3D printed wall stud construction according to any one of claims 1 to 8, comprising the steps of:
firstly, constructing a concrete structure bottom plate (1), and pre-embedding embedded steel bars (2) at the positions of structural columns;
connecting the steel bar sleeve (3) with the embedded steel bar (2) through threads;
thirdly, 3D printing outer wall bodies (4), 3D printing inner wall bodies (6) and 3D printing inner wall body ribs (5) are constructed by using special 3D printing construction equipment, and column templates are formed at the corners;
fourthly, stopping 3D printing construction until the height of the 3D printing construction is 10cm lower than the height of the subsequent lapped reinforcing steel bars (7);
step five, connecting the lapped steel bars (7) with the steel bar sleeve (3) through threads, and then repeating the step three;
step six, stopping the 3D printing construction when the height of a single layer is reached, inserting the assembled structural column steel reinforcement cage at the structural column, enabling each vertical steel reinforcement of the structural column steel reinforcement cage to be in contact with the corresponding overlap steel reinforcement (7) respectively, and enabling the bottoms of the vertical steel reinforcements to be in contact with the top of the steel reinforcement sleeve (3) and to abut against the overlap steel reinforcement (7);
and seventhly, pouring and vibrating cast-in-place column concrete (9), and curing after pouring is finished, so that construction is finished.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911108571 | 2019-11-13 | ||
| CN2019111085716 | 2019-11-13 |
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| Publication Number | Publication Date |
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| CN111379359A true CN111379359A (en) | 2020-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010185670.0A Pending CN111379359A (en) | 2019-11-13 | 2020-03-17 | Building 3D printed wall column structure and construction method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113047417A (en) * | 2021-01-28 | 2021-06-29 | 清华大学 | 3D printing assembly type box structure and connecting method thereof |
| CN114033041A (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 |
| US11572692B2 (en) * | 2020-07-30 | 2023-02-07 | Icon Technology, Inc. | Extrudable building material wall structure and method |
| NL2032649B1 (en) * | 2022-07-31 | 2024-02-06 | Cybe Construction Bv | Method for manufacturing a module for a building using 3D concrete printing |
-
2020
- 2020-03-17 CN CN202010185670.0A patent/CN111379359A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11572692B2 (en) * | 2020-07-30 | 2023-02-07 | Icon Technology, Inc. | Extrudable building material wall structure and method |
| CN113047417A (en) * | 2021-01-28 | 2021-06-29 | 清华大学 | 3D printing assembly type box structure and connecting method thereof |
| CN114033041A (en) * | 2021-11-08 | 2022-02-11 | 欢颜创新科技（杭州）有限公司 | House construction method and house |
| CN114033041B (en) * | 2021-11-08 | 2023-10-13 | 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 |
| NL2032649B1 (en) * | 2022-07-31 | 2024-02-06 | Cybe Construction Bv | Method for manufacturing a module for a building using 3D concrete printing |
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Address after: No. 3, courtyard No. 5, diazepam Road, Chaoyang District, Beijing Applicant after: CHINA STATE CONSTRUCTION ENGINEERING Corp.,Ltd. Applicant after: ZHONGJIAN ENGINEERING RESEARCH INSTITUTE Co.,Ltd. Applicant after: China Construction Second Engineering Bureau sunshine Intelligent Manufacturing Co., Ltd Address before: No. 3, courtyard No. 5, diazepam Road, Chaoyang District, Beijing Applicant before: CHINA STATE CONSTRUCTION ENGINEERING Corp.,Ltd. Applicant before: ZHONGJIAN ENGINEERING RESEARCH INSTITUTE Co.,Ltd. Applicant before: CHINA CONSTRUCTION SECOND BUREAU GUANGDONG CONSTRUCTION BASE Co.,Ltd. |