CN114232791A - Self-bearing system for construction load of fabricated building and construction method thereof - Google Patents
Self-bearing system for construction load of fabricated building and construction method thereof Download PDFInfo
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- CN114232791A CN114232791A CN202111653662.5A CN202111653662A CN114232791A CN 114232791 A CN114232791 A CN 114232791A CN 202111653662 A CN202111653662 A CN 202111653662A CN 114232791 A CN114232791 A CN 114232791A
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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
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
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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
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
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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
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/17—Floor structures partly formed in situ
Abstract
The invention discloses an assembly type building construction load self-bearing system and a construction method thereof. Prefabricated post capital lateral wall supports the angle sign indicating number through reserving the through-hole installation, prefabricated superposed beam both ends are supported in the backup pad of capital support angle sign indicating number, adjusting bolt through backup pad bottom connection finely tunes prefabricated superposed beam's height, prefabricated superposed beam lateral wall is through the interval through-hole installation triangle-shaped angle sign indicating number of reserving, shelve the H channel-section steel on the triangle-shaped angle sign indicating number, prefabricated superimposed sheet's side supports on the H channel-section steel, the whole layer of watering of structure floor is watered and is smash the completion and maintain to demolish intensity after, demolish each angle sign indicating number. The invention utilizes the prefabricated column as the main stress member of the main structure, realizes a stress system for the vertical prefabricated member to combine the angle code to bear the self load of the horizontal prefabricated member and the load after construction, is convenient to assemble and disassemble, convenient and fast to construct, safe and reliable, and improves the hoisting efficiency and the construction quality of the prefabricated member.
Description
Technical Field
The invention belongs to the technical field of fabricated buildings, and particularly relates to a self-bearing system for fabricated building construction load and a construction method thereof.
Background
In recent years, with the rapid development of the building industry, the assembly type building is developed and advanced, compared with the traditional building, the construction mode of the assembly type building is revolutionarily changed, and the prefabricated parts of the assembly type concrete building are produced in a factory and assembled on site, so that the effects of standardization, controllable quality, high efficiency, rapidness, material saving, waste avoidance, no environmental pollution on a production site and a construction site and the like of the prefabricated parts can be realized, the problems of high building energy consumption, large resource and energy consumption, low production efficiency and the like in the traditional building production mode are solved, and the product quality and the production efficiency are obviously improved. However, even if the construction load self-bearing system is adopted, the construction load self-bearing system for the assembly type building, which has the advantages of safe and reliable support, resource saving, convenient disassembly and recycling, needs to be developed for adapting and promoting the update of the support system for the assembly type concrete building, and has the problems of complex building procedures and numerous potential safety hazards, because the support system for the prefabricated composite beam and the prefabricated composite slab of the assembly type concrete building needs to be stably hoisted and installed in the conventional construction scheme, and the like, along with the development of the assembly type building, besides the main structure needs to be developed and innovated, the support system for the component parts also remains in the conventional construction mode.
Disclosure of Invention
Aiming at the defects pointed out in the prior art, the invention provides a load self-bearing system for prefabricated building construction, aiming at solving the problems that the existing prefabricated concrete building prefabricated part construction in the prior art adopts an adjustable independent supporting system or a steel pipe fastener supporting system and the like, the building process is complex, the potential safety hazard is numerous and the like.
In order to achieve the purpose, the invention adopts the technical scheme that:
the self-bearing system for the construction load of the fabricated building comprises prefabricated columns, prefabricated superposed beams, prefabricated superposed slabs, supporting corner connectors and triangular corner connectors.
Support angle sign indicating number and include angle sign indicating number body, backup pad, high strength bolt and adjusting bolt, the backup pad level sets up in the top of angle sign indicating number body, and high strength bolt sets up on the backplate of angle sign indicating number body, and adjusting bolt's top is fixed in the backup pad bottom surface, and adjusting bolt's bottom is passed the screw of angle sign indicating number body top surface, and is equipped with adjusting nut on the adjusting bolt between backup pad and the angle sign indicating number body top surface.
A through hole is reserved in the column top side wall of the prefabricated column, and a high-strength bolt on the supporting angle brace is installed in the through hole, so that the supporting angle brace is fixedly installed on the column top side wall of the prefabricated column.
Two ends of the prefabricated superposed beam are supported on a supporting plate of a supporting angle code of the side wall of the top of the prefabricated column, through holes are reserved on the side wall of the prefabricated superposed beam at intervals along the length direction of the superposed beam, and high-strength bolts on the triangular angle codes are installed in the through holes, so that the triangular angle codes are fixedly installed on the side wall of the prefabricated superposed beam at intervals along the horizontal direction; the H-shaped channel steel is placed along the length direction of the prefabricated composite beam on the triangular corner connectors, and the side edge of the prefabricated composite slab is supported on the H-shaped channel steel.
Preferably, two H-shaped channel steels are arranged on the triangular corner connectors in parallel at a distance of 50cm, and one H-shaped channel steel is arranged close to the side wall of the prefabricated superposed beam.
Preferably, the angle sign indicating number body includes roof, backplate and curb plate, and the backplate is connected to the rear side of roof, and the both sides of roof are connected with the curb plate respectively, and the top and the roof both sides of curb plate are connected. Furthermore, the side plates are in a right trapezoid shape or a triangular shape, so that the high-strength bolt is conveniently fastened. In addition, set up a plurality of connecting screw holes on the backplate, connect high strength bolt in the connecting screw hole, ensure the joint strength who supports angle sign indicating number and prefabricated post or prefabricated composite beam.
The invention further provides a construction method of the assembled building construction load self-bearing system, which comprises the following steps:
(1) processing the prefabricated column, the prefabricated superposed beam, the prefabricated superposed slab, the supporting corner brace and the triangular corner brace, and respectively reserving through holes on the side part of the top of the prefabricated column and the side wall of the prefabricated superposed beam according to the installation positions of the corner brace on the prefabricated column and the prefabricated superposed beam;
(2) the prefabricated column, the prefabricated composite beam, the prefabricated composite slab, the supporting angle code and the triangular angle code are transported to a construction site, the prefabricated column is hoisted firstly, and the supporting angle code is installed in a reserved through hole in the top side wall of the prefabricated column; hoisting the prefabricated superposed beam, hoisting the prefabricated superposed beam to the top of the prefabricated column, and placing two ends of the prefabricated superposed beam on supporting plates of the prefabricated column top supporting corner connectors; the height of the supporting plate is finely adjusted by adjusting the bolts, so that the beam bottom elevation of the prefabricated superposed beam is finely adjusted to the designed elevation;
(3) mounting a triangular corner brace in a reserved through hole on the beam side of the prefabricated composite beam, and placing an H-shaped channel steel on the triangular corner brace along the length direction of the prefabricated composite beam;
(4) hoisting the prefabricated composite slab to the beam surface of the prefabricated composite beam, and placing the prefabricated composite slab on the H-shaped channel steel on the side edge of the beam;
(5) and after the pouring and tamping of the structural floor integral pouring layer is completed and maintained to the form removal strength, removing the supporting corner connectors and the triangular corner connectors.
Preferably, after the prefabricated columns, the prefabricated composite beams and the prefabricated composite slabs are assembled, if heavy load operation or large stacking load exists on the prefabricated composite slabs, reinforcing supports can be added below the prefabricated composite beams and the prefabricated composite slabs.
Compared with the defects and shortcomings of the prior art, the invention has the following beneficial effects:
(1) the prefabricated building construction components are prefabricated components, so that the accuracy of the positions of all components is ensured, and the prefabricated building construction components are more convenient and faster to process and construct by the guidance of model and component simulation.
(2) The prefabricated column is used as a main stressed component of the main structure, the prefabricated superposed beams are supported by the prefabricated column and the supporting angle connectors, the prefabricated superposed plates are supported by the prefabricated superposed beams and the triangular angle connectors, the whole supporting system is convenient to mount and dismount, supporting frames such as an adjustable independent supporting system or a steel pipe supporting system are omitted, the construction period and labor are saved, and the cost is reduced.
(3) The strength and the rigidity of the prefabricated part are fully utilized, the prefabricated column and the prefabricated superposed beam are fixedly connected through the angle connectors, the bolts and the reserved through holes, a stable and concise structural system participating in stress jointly is formed, the structural stability is good, the stress system that the vertical prefabricated part is combined with the angle connectors to bear the load of the horizontal prefabricated part and the load after construction is realized, the vertical and horizontal loads can be stably borne, and the safety of a building structure and construction is ensured.
(4) The lap tear open the convenience, it is convenient to be under construction, and prefabricated component hoist and mount efficiency and construction quality improve, make the angle sign indicating number after the construction is accomplished and demolish reuse, green material saving.
Drawings
Fig. 1 is a schematic perspective view of a support corner brace according to an embodiment of the present invention.
Fig. 2 is a schematic front view of a support corner connector according to an embodiment of the present invention.
Fig. 3 is a schematic side view of a support corner connector according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a triangular corner brace according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a prefabricated column and a prefabricated composite beam which are connected through a supporting corner brace according to an embodiment of the invention.
Fig. 6 is another schematic structural diagram of the prefabricated column and the prefabricated composite beam connected through the supporting corner connector according to the embodiment of the invention.
Fig. 7 is a schematic structural diagram of a prefabricated composite beam and a prefabricated composite slab connected by a triangular corner brace according to an embodiment of the present invention.
Fig. 8 is a schematic side view of a prefabricated composite beam and a prefabricated composite slab connected by a triangular corner brace according to an embodiment of the present invention.
Fig. 9 is a structural schematic view of a fabricated building construction load self-bearing system provided by the embodiment of the invention.
In the figure: 1-supporting corner connectors; 11-corner connector body; 111-top plate; 112-a back plate; 113-side plate; 12-a support plate; 13-high strength bolts; 14-adjusting the bolt; 15-adjusting the nut; 2-triangular corner connectors; 3-prefabricating a column; 4-prefabricating the superposed beam; 5-a through hole; 6-H type channel steel; 7-prefabricating the laminated slab.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The prefabricated self-bearing system for the construction load of the fabricated building utilizes the detachably mounted supporting corner connectors 1 and the triangular corner connectors 2 as supporting connecting pieces of prefabricated parts, prefabricated parts of the fabricated concrete building are prefabricated, and through holes 5 are reserved in the prefabricated production process of the prefabricated columns 3 and the prefabricated superposed beams 4 according to the mounting positions of the supporting corner connectors 1 and the triangular corner connectors 2.
Referring to fig. 1-3, the support corner brace 1 includes a corner brace body 11, a support plate 12, a high-strength bolt 13 and an adjusting bolt 14, the corner brace body 11 includes a top plate 111, a back plate 112 and side plates 113, the back plate 112 is connected to the rear side of the top plate 111, the side plates 113 are respectively connected to two sides of the top plate 111, and the tops of the side plates 113 are connected to two sides of the top plate 111. The side plates 113 are in a right trapezoid shape or a triangular shape, so that the high-strength bolts 13 can be conveniently fastened. The back plate 112 is provided with a plurality of connecting screw holes, high-strength bolts 13 are connected in the connecting screw holes, the high-strength bolts 13 are used for being connected with through holes 5 reserved on the prefabricated columns 3, and the connecting strength of the supporting angle connectors 1 and the prefabricated columns 3 is ensured by the aid of the high-strength bolts 13. The backup pad 12 level sets up in the top of angle sign indicating number body 11, and adjusting bolt 14's top is fixed in backup pad 12 bottom surface, and adjusting bolt 14's bottom passes the screw of roof 111, is equipped with adjusting nut 15 on the adjusting bolt 14 between backup pad 12 and the roof 111, twists adjusting nut 15, can realize the fine setting of backup pad 12 height. The triangular corner connectors 2 (see fig. 4) are used for being mounted on the side walls of the prefabricated composite beams 4 and supporting the prefabricated composite slab 7.
Referring to fig. 5-6, a through hole 5 is reserved in the side wall of the column top of the prefabricated column 3, and a high-strength bolt 13 on the support corner connector 1 is connected in the through hole. Two ends of the prefabricated superposed beam 4 are supported on a supporting plate 12 for supporting the angle brace 1, through holes 5 are reserved on the side wall of the prefabricated superposed beam 4 at intervals along the length direction of the superposed beam, and high-strength bolts 13 on the triangular angle brace 2 are connected in the through holes. Two H-shaped channel steels 6 with a distance of 50cm are parallelly placed on the triangular corner connectors 2, the H-shaped channel steels 6 on the inner sides are arranged close to the side walls of the prefabricated composite beams 4, and the side edges of the prefabricated composite slabs 7 are supported on the H-shaped channel steels 6 (refer to fig. 7-8).
The prefabricated column is used as a main stressed component of the main structure in the assembled concrete building, the strength and the rigidity of the prefabricated component are fully utilized, the plasticity of the prefabricated reinforced concrete column and the characteristics of high material strength, stable vertical stress and excellent anti-seismic performance after the cementing material is formed are utilized, and the angle brace, the bolt, the reserved through hole, the prefabricated column and the prefabricated superposed beam are fixedly connected to form a stable and simple structural system participating in stress together (refer to fig. 9). The supporting corner brace 1 is manufactured according to the joint connection mode and the position relation of the superposed beam and the prefabricated column in the manufacturing process of the prefabricated column 3, and the triangular corner brace 2 is manufactured according to the position relation of the superposed beam and the superposed slab in the manufacturing process of the prefabricated column 3. The concrete construction method of the assembly type building construction load self-bearing system comprises the following steps:
(1) on the basis of adopting revit software to model the precast concrete structure beam, board, post component, support angle sign indicating number 1 and triangle-shaped angle sign indicating number 2 mounted position, size are arranged, the model of precast concrete structure beam, board, post component has included the reinforcing bar model, hoist and mount and the mould stripping buries the model, electromechanical pre-buried pipeline and hole model and support angle sign indicating number 1 and triangle-shaped angle sign indicating number 2 model, form component big appearance picture and exploded view, provide technical support for processing, hoist and mount of component, guarantee that through-hole 5 position is accurate, avoid defect and rework that the position conflict of the article in the component caused.
(2) Processing a supporting angle brace 1, a triangular angle brace 2, a prefabricated column 3, a prefabricated superposed beam 4 and a prefabricated superposed slab 7 according to a design drawing, and reserving through holes in the designed positions after a component mould and a steel reinforcement framework are finished; through holes are reserved in the side wall of the top of the conventional prefabricated column 3, and the side edge of the prefabricated composite beam 4 is arranged according to the blocks of the prefabricated composite slab 7.
(3) Transporting each processed component to a construction site, hoisting the prefabricated column 3, and installing a supporting corner connector 1 in a reserved through hole 5 in the column top side wall of the prefabricated column 3; then hoisting the prefabricated superposed beam 4, hoisting the prefabricated superposed beam 4 to the top of the prefabricated column 3, and placing two ends of the prefabricated superposed beam 4 on the supporting plates 12 of the supporting corner connectors 1 at the top of the prefabricated column 3; and finely adjusting the height of the supporting plate 12 by adjusting the bolt 14 to finely adjust the beam bottom elevation of the prefabricated composite beam 4 to the designed elevation and fix the beam bottom elevation. The stability of assurance roof beam, firm to can not produce landing, skew scheduling problem at prefabricated superimposed sheet 7 hoist and mount in-process.
(4) A triangular angle brace 2 is arranged in a reserved through hole 5 in the beam side of a prefabricated superposed beam 4, two H-shaped channel steels 6 which are 50cm away from each other are parallelly placed on the triangular angle brace 2 along the length direction of the beam, one H-shaped channel steel 6 is tightly attached to the beam side wall, and the other H-shaped channel steel 6 is arranged on the outer side of the triangular angle brace 2.
(5) The prefabricated composite slab 7 is lifted to the 4 beam surfaces of the prefabricated composite beam and placed on the H-shaped channel steel 6 installed on the side edge of the beam, so that the stability and firmness of the prefabricated composite slab 7 can be guaranteed, and the problems of slipping, shifting and the like of the composite slab can be solved in the operation processes of hydropower installation construction, reinforcement construction and the like on the prefabricated composite slab 7.
(6) The installation of the prefabricated part is completed, and beam plate lower supports are added as required according to the condition of the engineering structure for reinforcement; considering the difference of engineering, if the prefabricated composite slab 7 is subjected to heavy load operation or has large stacking load, an adjustable independent support or a steel pipe support and the like can be added under the prefabricated composite beam 4 and the prefabricated composite slab 7 to serve as a reinforcing support. And after the pouring and tamping of the structural floor integral pouring layer is completed and the structural floor integral pouring layer is maintained to the form removal strength, the supporting corner connectors 1 and the triangular corner connectors 2 are removed, and the removed corner connectors can be reused.
The assembly type building construction load self-bearing system saves frame body supporting materials in the construction and installation process, reduces the template engineering and the manual workload, accelerates the construction speed, and saves the investment and the consumption of a large part of resources. Meanwhile, a plurality of complex construction procedures are simplified, redundant construction steps are omitted, and the construction efficiency is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The assembly type building construction load self-bearing system is characterized by comprising prefabricated columns, prefabricated superposed beams, prefabricated superposed slabs, supporting corner connectors and triangular corner connectors;
the supporting corner connector comprises a corner connector body, a supporting plate, a high-strength bolt and an adjusting bolt, wherein the supporting plate is horizontally arranged at the top of the corner connector body, the high-strength bolt is arranged on a back plate of the corner connector body, the top end of the adjusting bolt is fixed to the bottom surface of the supporting plate, the bottom end of the adjusting bolt penetrates through a screw hole in the top surface of the corner connector body, and an adjusting nut is arranged on the adjusting bolt between the supporting plate and the top surface of the corner connector body; the triangular corner brace is also provided with a high-strength bolt;
the prefabricated post top side wall of the prefabricated post is reserved with a through hole for installing the high-strength bolt on the supporting angle connector, the supporting angle connector is installed at two ends of a prefabricated superposed beam on the post top side wall of the prefabricated post and supported on a supporting plate of the supporting angle connector of the prefabricated post top side wall, through holes for installing the high-strength bolt on the triangular angle connector are reserved on two side walls of the prefabricated superposed beam at intervals along the length direction of the superposed beam, the triangular angle connector is installed on the side wall of the prefabricated superposed beam, an H-shaped channel steel is placed on the triangular angle connector along the length direction of the prefabricated superposed beam, and the side edge of the prefabricated superposed slab is supported on the H-shaped channel steel.
2. The fabricated building construction load self-supporting system of claim 1, wherein two H-shaped channel steels are placed in parallel at a distance of 50cm on the triangular corner brace, and one H-shaped channel steel is placed close to the side wall of the precast composite beam.
3. The fabricated building construction load self-supporting system according to claim 1, wherein the corner connector body comprises a top plate, a back plate and side plates, the back plate is connected to the rear side of the top plate, the side plates are respectively connected to two sides of the top plate, and the tops of the side plates are connected to two sides of the top plate.
4. The fabricated building construction load self-supporting system of claim 3, wherein the side panel has a right trapezoid shape or a triangular shape.
5. The assembly type construction load self-supporting system as claimed in claim 3, wherein the back plate is provided with a plurality of connecting screw holes, and each connecting screw hole is connected with a high-strength bolt.
6. A method of constructing a self-supporting load carrying system for prefabricated building construction according to any one of claims 1 to 5, wherein the method comprises the steps of:
(1) processing a support corner brace, a triangular corner brace, a prefabricated column, a prefabricated composite beam and a prefabricated composite slab, and respectively reserving through holes on the prefabricated column and the prefabricated composite beam according to the mounting positions of the corner braces;
(2) transporting the support angle connectors, the triangular angle connectors, the prefabricated columns, the prefabricated composite beams and the prefabricated composite slabs to a construction site, hoisting the prefabricated columns, and installing the support angle connectors in the reserved through holes in the top side walls of the prefabricated columns; hoisting the prefabricated superposed beam, hoisting the prefabricated superposed beam to the top of the prefabricated column, and placing two ends of the prefabricated superposed beam on supporting plates of the prefabricated column top supporting corner connectors; the height of the supporting plate is finely adjusted by adjusting the bolts, so that the beam bottom elevation of the prefabricated superposed beam is finely adjusted to the designed elevation;
(3) mounting a triangular corner brace in a reserved through hole on the beam side of the prefabricated superposed beam, and placing an H-shaped channel steel on the triangular corner brace along the length direction of the beam;
(4) hoisting the prefabricated composite slab to the beam surface of the prefabricated composite beam, and placing the prefabricated composite slab on the H-shaped channel steel on the side edge of the beam;
(5) and after the pouring and tamping of the structural floor integral pouring layer is completed and maintained to the form removal strength, the supporting corner connectors and the triangular corner connectors are removed.
7. The construction method of the fabricated building construction load self-bearing system according to claim 6, wherein after the prefabricated columns, the prefabricated composite beams and the prefabricated composite slabs are assembled, reinforcing supports are added under the prefabricated composite beams and the prefabricated composite slabs.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111653662.5A CN114232791A (en) | 2021-12-30 | 2021-12-30 | Self-bearing system for construction load of fabricated building and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111653662.5A CN114232791A (en) | 2021-12-30 | 2021-12-30 | Self-bearing system for construction load of fabricated building and construction method thereof |
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| CN114232791A true CN114232791A (en) | 2022-03-25 |
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| CN202111653662.5A Pending CN114232791A (en) | 2021-12-30 | 2021-12-30 | Self-bearing system for construction load of fabricated building and construction method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1057950A2 (en) * | 1999-06-04 | 2000-12-06 | Pfeifer Holding GmbH & Co. KG | Device for coupling two construction elements |
| CN107034989A (en) * | 2016-12-05 | 2017-08-11 | 浙江省建工集团有限责任公司 | A kind of prefabrication prefabricated components exempt to support installation method |
| CN107060075A (en) * | 2017-04-20 | 2017-08-18 | 沈阳建筑大学 | A kind of supporting construction connected for fabricated construction beam slab and installation method |
| CN209670056U (en) * | 2019-02-23 | 2019-11-22 | 南京明麓建筑工程有限公司 | A kind of adjustable bracket |
| CN211735747U (en) * | 2020-03-12 | 2020-10-23 | 中建一局集团第三建筑有限公司 | Height-adjustable's beam holds in palm structure |
-
2021
- 2021-12-30 CN CN202111653662.5A patent/CN114232791A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1057950A2 (en) * | 1999-06-04 | 2000-12-06 | Pfeifer Holding GmbH & Co. KG | Device for coupling two construction elements |
| CN107034989A (en) * | 2016-12-05 | 2017-08-11 | 浙江省建工集团有限责任公司 | A kind of prefabrication prefabricated components exempt to support installation method |
| CN107060075A (en) * | 2017-04-20 | 2017-08-18 | 沈阳建筑大学 | A kind of supporting construction connected for fabricated construction beam slab and installation method |
| CN209670056U (en) * | 2019-02-23 | 2019-11-22 | 南京明麓建筑工程有限公司 | A kind of adjustable bracket |
| CN211735747U (en) * | 2020-03-12 | 2020-10-23 | 中建一局集团第三建筑有限公司 | Height-adjustable's beam holds in palm structure |
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Application publication date: 20220325 |