CN108222292B - Detachable connecting structure between prefabricated plates and installation method thereof - Google Patents
Detachable connecting structure between prefabricated plates and installation method thereof Download PDFInfo
- Publication number
- CN108222292B CN108222292B CN201810221091.XA CN201810221091A CN108222292B CN 108222292 B CN108222292 B CN 108222292B CN 201810221091 A CN201810221091 A CN 201810221091A CN 108222292 B CN108222292 B CN 108222292B
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- connecting piece
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- 238000000034 method Methods 0.000 title claims description 8
- 238000009434 installation Methods 0.000 title claims description 6
- 238000003466 welding Methods 0.000 claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000011178 precast concrete Substances 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000004567 concrete Substances 0.000 claims description 4
- 238000003754 machining Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
Classifications
-
- 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
- E04B1/38—Connections for building structures in general
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
- E04B1/6108—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together
- E04B1/612—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces
- E04B1/6145—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces with recesses in both frontal surfaces co-operating with an additional connecting element
- E04B1/6158—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces with recesses in both frontal surfaces co-operating with an additional connecting element the connection made by formlocking
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention relates to a detachable connection structure between precast slabs, which comprises first connecting pieces which are respectively embedded at joints of two adjacent precast slabs, wherein embedded grooves are formed in the first connecting pieces, the two adjacent first connecting pieces are connected into a whole through a second connecting piece, the second connecting piece is pressed into the embedded grooves of the two adjacent first connecting pieces at the same time, and the second connecting piece is connected with the first connecting pieces through bolts in a threaded manner. The structure of the detachable connection structure between the precast slabs is simple.
Description
Technical Field
The invention relates to a detachable connection structure between prefabricated plates and an installation method thereof, and relates to the technical field of civil engineering.
Background
The precast slab has the advantages of stable quality, high construction speed, high degree of mechanization, capability of being used for rapid construction and the like, and can be widely applied to the fields of civil engineering and construction. The connection between prefabricated panels is usually made by cast-in-place concrete between the panel seams. However, the cast-in-situ joint construction investment is large, the period is long, and for some temporary projects such as cast-in-situ joints with precast slabs, the slabs are not easy to dismantle after being connected into a whole, the slabs cannot be reused, and certain manpower and material resources are wasted after the construction is finished.
Disclosure of Invention
In view of the defects of the prior art, the technical problem to be solved by the invention is to provide the detachable connecting structure between the prefabricated plates and the mounting method thereof, which are simple in structure, convenient and efficient.
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a connection structure can be dismantled between prefabricated plate, includes the first connecting piece of pre-buried in two adjacent prefabricated plate seam crossing respectively, all set up on the first connecting piece and inlay and establish the recess, connect as an organic wholely through the second connecting piece between the two adjacent first connecting pieces, the recess is established in inlaying of two adjacent first connecting pieces of second connecting piece simultaneous pressfitting, through the bolt spiro union between second connecting piece and the first connecting piece.
Preferably, the second connecting piece comprises a middle connecting block with an H-shaped cross section, clamping grooves in the shape of an isosceles trapezoid are symmetrically formed in the front side surface and the rear side surface of the middle connecting block, and the clamping grooves are narrow at the upper part and wide at the lower part.
Preferably, the left and right sides symmetry of middle connecting block has set firmly the end connection block, all be equipped with the installation through-hole of bolt on the end connection block.
Preferably, the bottom of the embedded groove is closed, the notch is communicated with the outside, the side walls of the embedded groove, which are close to the joint, are respectively provided with a socket of the middle connecting block, and the front side and the rear side of the socket are provided with clamping convex parts for being embedded into the clamping groove.
Preferably, the end connection block is located in the embedded groove, the bottom surface of the end connection block is in contact with the bottom of the embedded groove, and the bottom of the embedded groove is provided with an internal thread hole for screwing in a bolt.
Preferably, the welding nails are fixedly arranged on the front outer side, the rear outer side and the outer side far away from the joint of the first connecting piece, the welding nails are threaded metal rod pieces, the end heads of the welding nails are flat cylinders with diameters slightly larger than those of the rod pieces, and the welding nails and the first connecting piece are embedded in the precast slab together.
Preferably, the top surface of the end connection block is lower than the top surface of the middle connection block, and the bottom surface of the end connection block is flush with the bottom surface of the middle connection block.
Preferably, the top surface of the end connection block is lower than the top surface of the middle connection block, and the bottom surface of the end connection block is higher than the bottom surface of the middle connection block.
The method for installing the detachable connection structure between the prefabricated plates comprises the following steps: (1) manufacturing a connecting component: machining the first and second connectors using a die; (2) precast concrete panels and installing first connectors; (3) installing prefabricated plates: installing and fixing the prefabricated plates according to the positions of the design drawings, and ensuring that the corresponding first connecting piece interfaces in the two prefabricated plates are aligned; (4) mounting a second connector: slowly pressing the second connecting pieces between the two first connecting pieces from top to bottom, so as to preliminarily connect the two precast slabs into a whole; (5) mounting bolts: the bolts penetrate through the mounting through holes of the second connecting piece and are screwed with the internal threaded holes of the first connecting piece, so that the two precast slabs are fastened and connected; (6) dismantling the prefabricated slab: when the precast slab needs to be dismantled, the precast slab can be separated finally by loosening bolts and then dismantling the second connecting piece.
Preferably, the precast concrete panel in step (2) comprises the steps of: (1) manufacturing and installing a precast slab pedestal; (2) binding precast slab steel bars; (3) installing a template and a first connecting piece, fixing the first connecting piece through binding holes between welding nails on the first connecting piece and steel bars or welding, and enabling the embedded piece to be tightly attached to the template; (4) pouring concrete; (5) and (5) curing and removing the die.
Compared with the prior art, the invention has the following beneficial effects: the detachable connection structure between the prefabricated plates has the advantages of simple structure, convenient construction, convenient disassembly and assembly between the first connecting piece and the second connecting piece, reusability, reliable load transmission, capability of being used for quick construction, great practical value and good economic benefit.
The invention will be described in further detail with reference to the drawings and the detailed description.
Drawings
Fig. 1 is an exploded view of one embodiment of the present invention.
Fig. 2 is a top view of an embodiment of the present invention.
Fig. 3 is a cross-sectional view A-A of fig. 2.
Fig. 4 is an exploded view of another embodiment of the present invention.
Fig. 5 is a top view of another embodiment of the present invention.
Fig. 6 is a side view of another embodiment of the present invention.
Detailed Description
In order to make the above features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
As shown in fig. 1-6, a detachable connection structure between prefabricated plates comprises first connecting pieces 2 which are respectively embedded in joints of two adjacent prefabricated plates 1, wherein embedded grooves 3 are formed in the first connecting pieces, two adjacent first connecting pieces are connected into a whole through a second connecting piece 4, the second connecting pieces are pressed into the embedded grooves of the two adjacent first connecting pieces at the same time, and the second connecting pieces are connected with the first connecting pieces through bolts 5 in a threaded manner.
In the embodiment of the invention, the second connecting piece comprises a middle connecting block 6 with an H-shaped cross section, wherein the front side and the rear side of the middle connecting block are symmetrically provided with isosceles trapezoid clamping grooves 7, and the clamping grooves are narrow at the upper part and wide at the lower part and incline to the left and right sides in a splayed shape.
In the embodiment of the invention, the left and right sides of the middle connecting block are symmetrically and fixedly provided with end connecting blocks 8, the end connecting blocks are respectively provided with a mounting through hole 9 of a bolt, and the outer ends of the end connecting blocks are semicircular columns.
In the embodiment of the invention, the groove bottom of the embedded groove is closed, the groove opening is communicated with the outside, the side walls of the embedded groove, which are close to the joint, are respectively provided with a socket 10 of the middle connecting block, the side walls form clamping convex parts 11 for being embedded into the clamping groove at the front side and the rear side of the socket, and the groove bottom of the embedded groove has a plate thickness of 10 mm-30 mm.
In the embodiment of the invention, the end connection block is positioned in the embedded groove, the bottom surface of the end connection block is contacted with the bottom of the embedded groove, and the bottom of the embedded groove is provided with the internal threaded hole 12 for screwing in the bolt.
In the embodiment of the invention, the welding nails 13 are fixedly arranged on the front and rear outer sides of the first connecting piece and the outer sides far away from the joint, the welding nails are threaded metal rod pieces, the end heads of the welding nails are flat cylinders with the diameter slightly larger than that of the rod pieces, and the welding nails and the first connecting piece are pre-buried in the precast slab together.
In the embodiment of the invention, the second connecting piece is used for thick plates and thin plates with different specifications, the top surface of the end connecting block is lower than the top surface of the middle connecting block when the second connecting piece is used for the thick plates, the height difference is larger than the height of the bolt head, and the bottom surface of the end connecting block is flush with the bottom surface of the middle connecting block.
In another embodiment of the present invention, the second connector is used for thick plates and thin plates, the top surface of the end connection block is lower than the top surface of the middle connection block when the second connector is used for thin plates, the bottom surface of the end connection block is higher than the bottom surface of the middle connection block, and the height difference is usually 10-40mm.
The method for installing the detachable connection structure between the prefabricated plates comprises the following steps: (1) manufacturing a connecting component: machining the first and second connectors using a die; (2) precast concrete panels and installing first connectors; (3) installing prefabricated plates: installing and fixing the prefabricated plates according to the positions of the design drawings, and ensuring that the corresponding first connecting piece interfaces in the two prefabricated plates are aligned; (4) mounting a second connector: slowly pressing the second connecting pieces between the two first connecting pieces from top to bottom, so as to preliminarily connect the two precast slabs into a whole; (5) mounting bolts: the bolts penetrate through the mounting through holes of the second connecting piece and are screwed with the internal threaded holes of the first connecting piece, so that the two precast slabs are fastened and connected; (6) dismantling the prefabricated slab: when the precast slab needs to be dismantled, the precast slab can be separated finally by loosening bolts and then dismantling the second connecting piece.
In the embodiment of the invention, the precast concrete board in the step (2) comprises the following steps: (1) manufacturing and installing a precast slab pedestal; (2) binding precast slab steel bars; (3) installing a template and a first connecting piece, fixing the first connecting piece through binding holes between welding nails on the first connecting piece and steel bars or welding, and enabling the embedded piece to be tightly attached to the template; (4) pouring concrete; (5) and (5) curing and removing the die.
In the embodiment of the invention, the outer contour shape of the first connecting piece is rectangular, the first connecting piece and the second connecting piece are made of metal materials, the two first connecting pieces are respectively embedded into precast slabs at two sides of a joint in advance and are in one-to-one correspondence, in actual use, a plurality of groups of the two first connecting pieces can be arranged along the joint at a certain interval according to the length of the joint, a gap of 1mm-8mm is reserved between the first connecting piece and the second connecting piece, the height of the connecting piece which is suitable for a thick plate is not less than 120mm, and the height of the connecting piece which is suitable for a thin plate is not less than 50mm; the connecting structure disclosed by the invention has the advantages of reasonable stress, high strength, capability of being recycled, convenience in installation and disassembly, reliable load transmission, capability of reducing cracks at the connecting part and improving the rigidity of the connecting part, thus improving the durability of the precast slab, and great use value and good economic benefit.
The present invention is not limited to the above-described preferred embodiments, and any person can obtain various other types of detachable connection structures between prefabricated panels and methods of installing the same under the teaching of the present invention. All equivalent changes and modifications made according to the claims of the present invention shall fall within the scope of the present invention.
Claims (1)
1. A detachable connection structure between prefabricated plates, its characterized in that: the connecting structure comprises first connecting pieces which are respectively embedded in joints of two adjacent precast slabs, wherein each first connecting piece is provided with an embedded groove, two adjacent first connecting pieces are connected into a whole through a second connecting piece, the second connecting pieces are simultaneously pressed into the embedded grooves of the two adjacent first connecting pieces, and the second connecting pieces are connected with the first connecting pieces through bolts in a threaded manner; the second connecting piece comprises a middle connecting block with an H-shaped cross section, clamping grooves in the shape of an isosceles trapezoid are symmetrically formed in the front side surface and the rear side surface of the middle connecting block, and the clamping grooves are narrow at the upper part and wide at the lower part; end connection blocks are symmetrically and fixedly arranged on the left side and the right side of the middle connection block, and the end connection blocks are respectively provided with a mounting through hole of a bolt; the groove bottom of the embedded groove is closed, the notch is communicated with the outside, the side walls of the embedded groove, which are close to the joint, are provided with inserting holes of the middle connecting block, and clamping convex parts for being embedded into the clamping groove are formed on the front side and the rear side of the inserting holes; the end connection blocks are positioned in the embedded grooves, the bottom surfaces of the end connection blocks are in contact with the bottoms of the embedded grooves, and the bottoms of the embedded grooves are respectively provided with an internal threaded hole for screwing in a bolt; welding nails are fixedly arranged on the front outer side, the rear outer side and the outer side far away from the joint of the first connecting piece, the welding nails are threaded metal rod pieces, the end heads of the welding nails are flat cylinders with the diameter slightly larger than that of the rod pieces, and the welding nails and the first connecting piece are embedded in the precast slab together; the top surface of the end connection block is lower than the top surface of the middle connection block, and the bottom surface of the end connection block is flush with or higher than the bottom surface of the middle connection block; the installation method of the detachable connection structure between the prefabricated plates is carried out according to the following steps: (1) manufacturing a connecting component: machining the first and second connectors using a die; (2) precast concrete panels and installing first connectors; (3) installing prefabricated plates: installing and fixing the prefabricated plates according to the positions of the design drawings, and ensuring that the corresponding first connecting piece interfaces in the two prefabricated plates are aligned; (4) mounting a second connector: slowly pressing the second connecting pieces between the two first connecting pieces from top to bottom, so as to preliminarily connect the two precast slabs into a whole; (5) mounting bolts: the bolts penetrate through the mounting through holes of the second connecting piece and are screwed with the internal threaded holes of the first connecting piece, so that the two precast slabs are fastened and connected; (6) dismantling the prefabricated slab: when the precast slab is required to be dismantled, the precast slab can be separated finally by loosening bolts and then dismantling the second connecting piece; the precast concrete board in the step (2) comprises the following steps: (1) manufacturing and installing a precast slab pedestal; (2) binding precast slab steel bars; (3) installing a template and a first connecting piece, fixing the first connecting piece through binding holes between welding nails on the first connecting piece and steel bars or welding, and enabling the embedded piece to be tightly attached to the template; (4) pouring concrete; (5) and (5) curing and removing the die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810221091.XA CN108222292B (en) | 2018-03-17 | 2018-03-17 | Detachable connecting structure between prefabricated plates and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810221091.XA CN108222292B (en) | 2018-03-17 | 2018-03-17 | Detachable connecting structure between prefabricated plates and installation method thereof |
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| CN108222292A CN108222292A (en) | 2018-06-29 |
| CN108222292B true CN108222292B (en) | 2024-03-22 |
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| CN201810221091.XA Active CN108222292B (en) | 2018-03-17 | 2018-03-17 | Detachable connecting structure between prefabricated plates and installation method thereof |
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| CN110258825A (en) * | 2018-08-17 | 2019-09-20 | 李藏柱 | A kind of prefabricated board connection component and prefabricated board connecting structure and its application |
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| CN112080975B (en) * | 2020-09-30 | 2021-10-29 | 福建省丽宏建设工程有限公司 | Municipal road assembling unit and construction method thereof |
| US11926982B2 (en) | 2020-11-13 | 2024-03-12 | Guangzhou Metro Design & Research Institute Co., Ltd. | Assembled subway station and construction method thereof |
| CN112281918B (en) * | 2020-11-13 | 2022-06-21 | 广州地铁设计研究院股份有限公司 | Assembled subway station and construction method thereof |
| CN112459113A (en) | 2020-11-13 | 2021-03-09 | 广州地铁设计研究院股份有限公司 | Connecting assembly of assembled component |
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Also Published As
| Publication number | Publication date |
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| CN108222292A (en) | 2018-06-29 |
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