CN210140745U - Zipper type shear key type precast concrete pavement - Google Patents
Zipper type shear key type precast concrete pavement Download PDFInfo
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- CN210140745U CN210140745U CN201920327887.3U CN201920327887U CN210140745U CN 210140745 U CN210140745 U CN 210140745U CN 201920327887 U CN201920327887 U CN 201920327887U CN 210140745 U CN210140745 U CN 210140745U
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Abstract
The utility model relates to a zipper type shear key type precast concrete pavement, including a plurality of precast concrete boards spliced with each other, adjacent precast concrete boards are connected through a connecting assembly, the connecting assembly includes a shear connecting portion and a tensile connecting portion, the shear connecting portion includes a socket key and a socket groove, the tensile connecting portion includes a chain lock and a placing hole channel, because the shapes of the socket key and the socket groove are complementary, the two precast concrete boards are connected and fixed, the shear strength of the concrete pavement is ensured, meanwhile, the chain lock is inserted in the placing hole channel to connect the adjacent precast concrete boards, the tensile strength of the concrete pavement can be ensured, compared with the traditional connecting process, the concrete boards are precast in a centralized way, the work load on site is relatively less, part of engineering of the construction site is transferred to the factory, the construction efficiency is effectively improved, the assembling and disassembling between the precast concrete boards are conveniently and reliably realized, saving labor force and improving the building industrialization level.
Description
Technical Field
The utility model relates to a building structure technical field especially relates to a zip fastener type shear force key type precast concrete road surface.
Background
Although the cast-in-place concrete still dominates most of the current engineering construction and has the advantages, the cast-in-place concrete also has obvious defects in the engineering implementation, such as long construction period, difficult guarantee of engineering quality, difficult control of cost and the like, and the precast concrete has certain advantages. At present, precast concrete assembly type building is rising day by day, replaces traditional building mode step by step, and it has the construction fast, energy-concerving and environment-protective, keeps warm and insulates against heat, precision high grade advantage, is that national policy supports even fund rewarding a novel green building mode.
The key technology of the precast concrete assembly type building is the connection and fixation of precast concrete plates, and the technology is directly related to the structural safety, water leakage prevention, attractive appearance, and difficulty in production and installation processes of the whole building. At present, the connecting and fixing method of the precast concrete components is mainly characterized in that reinforcing steel bars are reserved at the outer ends of precast concrete slabs, the precast concrete slabs are spliced on site and cast, and the cast-in-place secondary concrete connecting column has the defects of long construction period, high environmental pollution, high resource consumption, complex operation, great influence of seasons and climate and the like, and is difficult to meet the development trend of a novel construction mode of design standardization, field assembly, building structure mechanical and electrical decoration integration, manufacturing industrialization, management informatization and design construction purchasing integration at the present stage.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome exist among the prior art not enough, provide a zip fastener shear force key type precast concrete road surface.
The utility model discloses a realize through following technical scheme:
the zipper type shear key type precast concrete pavement is characterized by comprising a plurality of precast concrete plates which are spliced with each other, wherein the adjacent precast concrete plates are connected through a connecting assembly, the connecting assembly comprises a shear connecting part and a tensile connecting part, the shear connecting part comprises an inserting key and an inserting groove which are respectively arranged on the side surface of each precast concrete plate, the inserting key and the inserting groove are symmetrically arranged, so that the inserting key and the inserting groove are complementary in shape, the tensile connecting part comprises a chain connector and a placing hole matched with the shape of the chain connector, the chain connector comprises two inserting fixing columns and a connecting rod arranged between the two inserting fixing columns, and a partition plate is arranged in the placing hole.
According to the above technical solution, preferably, the vertical cross-sections of the plug key and the plug groove are both trapezoidal.
According to the above technical solution, preferably, the precast concrete slab is provided with 3 insertion keys and insertion grooves along the side line direction thereof, respectively.
According to the above technical scheme, preferably, the insertion fixing column is in a circular truncated cone shape, and the diameter of the upper surface of the insertion fixing column is larger than that of the lower surface of the insertion fixing column.
The utility model has the advantages that:
the adjacent sides of the two precast concrete plates are spliced, and the two precast concrete plates are connected and fixed due to the complementary shapes of the splicing keys and the splicing grooves, so that the shear strength of the concrete pavement is ensured; in addition, compared with the traditional connecting process, the concrete slabs are prefabricated in a centralized mode, the workload is relatively less on site, most work is completed outside the site, the concrete slabs are installed and formed at one time after being transported to the site, a large number of masonry personnel are not needed on the site, part of projects of the construction site are transferred to a factory, the construction efficiency is effectively improved, assembling and disassembling of the prefabricated concrete slabs are conveniently and reliably achieved, labor is saved, and the building industrialization level is improved.
Drawings
Fig. 1 is a schematic top view of a precast concrete slab part according to the present invention.
Fig. 2 is a front view structure diagram of the precast concrete slab part of the present invention.
Fig. 3 is a sectional view of the tunnel portion of the present invention.
Fig. 4 is a schematic view of the connection of adjacent precast concrete panels of the present invention.
Fig. 5 is a schematic front view of the interlocking unit according to the present invention.
In the figure: 1. prefabricating a concrete slab; 2. placing the pore channel; 3. a plug-in key; 4. inserting grooves; 5. a partition plate; 6. a chain lock; 7. grouting material; 8. a reinforcing bar anchor; 9. and (5) reinforcing steel bars.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
As shown in the figure, the utility model comprises a plurality of precast concrete plates 1 which are spliced with each other, the adjacent precast concrete plates 1 are connected with each other through connecting components, each connecting component is arranged on four sides of the precast concrete plate 1, the connecting component comprises a shearing resistant connecting part and a tensile connecting part, the shearing resistant connecting part comprises an inserting key 3 and an inserting groove 4 which are respectively arranged on the side surface of the precast concrete plate 1, the inserting key 3 and the inserting groove 4 are symmetrically arranged, so that the inserting key 3 and the inserting groove 4 are complementary in shape, the tensile connecting part comprises a chain connector 6 and a placing hole channel 2 matched with the chain connector 6 in shape, the chain connector 6 is respectively arranged 2 along each side line direction of the precast concrete plate 1 in the example, the chain connector 6 comprises two inserting fixing columns and a connecting rod arranged between the two inserting fixing columns, a clapboard 5 is arranged in the placing hole channel 2, the arrangement of the partition plates 5 enables the interlocking devices 6 to respectively complete the connection and fixation of the adjacent precast concrete plates 1 from both sides, and after the two adjacent precast concrete plates 1 are spliced, the upper surfaces and the lower surfaces of the two precast concrete plates 1 are aligned. The adjacent sides of the two precast concrete plates 1 are spliced, the two precast concrete plates 1 are connected and fixed due to the complementary shapes of the inserting keys 3 and the inserting grooves 4, the shear strength of the concrete pavement is ensured, meanwhile, the interlocking device 6 is inserted into the placing hole channel 2 to connect the two adjacent precast concrete plates 1, and the tensile strength of the concrete pavement can be ensured due to the larger two ends of the interlocking device 6; in addition, compared with the traditional connecting process, the concrete slabs are prefabricated in a centralized mode, the workload is relatively less on site, most work is completed outside the site, the concrete slabs are installed and formed at one time after being transported to the site, a large number of masonry personnel are not needed on the site, part of projects of the construction site are transferred to a factory, the construction efficiency is effectively improved, assembling and disassembling of the prefabricated concrete slabs 1 are conveniently and reliably achieved, labor is saved, and the building industrialization level is improved.
According to the embodiment, preferably, the vertical sections of the inserting keys 3 and the inserting grooves 4 are both trapezoidal, so that the occlusion sectional area between the two precast concrete plates 1 is increased, the stress is dispersed, the connecting strength between the two plates is effectively improved, and the bearing capacity of the concrete pavement is further improved.
According to the above embodiment, preferably, the precast concrete slab 1 is provided with 3 plug keys 3 and plug grooves 4 on the side along the side line direction.
According to the embodiment, the inserting and fixing column is preferably in a circular truncated cone shape, the diameter of the upper surface of the inserting and fixing column is larger than that of the lower surface of the inserting and fixing column, the interlocking device 6 can be conveniently placed in the placing hole channel 2, and field assembly of construction personnel is facilitated. The interlocking device 6 in the embodiment is made of reinforcing steel bars 9, reinforcing steel bar anchors 8 and grouting materials 7, the reinforcing steel bar anchors 8 are respectively arranged at two ends of the reinforcing steel bars 9, the grouting materials 7 are injected into the positions of the reinforcing steel bar anchors 8 through a mould for forming, so that the volumes of the positions of the two ends of the interlocking device 6 are large, the interlocking device is inserted into the placing hole channel 2 to connect two adjacent precast concrete slabs 1, and the tensile strength of the concrete surface can be ensured.
The adjacent sides of the two precast concrete plates 1 are spliced, the two precast concrete plates 1 are connected and fixed due to the complementary shapes of the inserting keys 3 and the inserting grooves 4, the shear strength of the concrete pavement is ensured, meanwhile, the interlocking device 6 is inserted into the placing hole channel 2 to connect the two adjacent precast concrete plates 1, and the tensile strength of the concrete pavement can be ensured due to the larger two ends of the interlocking device 6; in addition, compared with the traditional connecting process, the concrete slabs are prefabricated in a centralized mode, the workload is relatively less on site, most work is completed outside the site, the concrete slabs are installed and formed at one time after being transported to the site, a large number of masonry personnel are not needed on the site, part of projects of the construction site are transferred to a factory, the construction efficiency is effectively improved, assembling and disassembling of the prefabricated concrete slabs 1 are conveniently and reliably achieved, labor is saved, and the building industrialization level is improved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (4)
1. The zipper type shear key type precast concrete pavement is characterized by comprising a plurality of precast concrete plates which are spliced with each other, wherein the adjacent precast concrete plates are connected through a connecting assembly, the connecting assembly comprises a shear connecting part and a tensile connecting part, the shear connecting part comprises an inserting key and an inserting groove which are respectively arranged on the side surface of each precast concrete plate, the inserting key and the inserting groove are symmetrically arranged, so that the inserting key and the inserting groove are complementary in shape, the tensile connecting part comprises a chain connector and a placing hole matched with the shape of the chain connector, the chain connector comprises two inserting fixing columns and a connecting rod arranged between the two inserting fixing columns, and a partition plate is arranged in the placing hole.
2. The zippered shear key type precast concrete pavement of claim 1, wherein the vertical sections of the socket keys and the socket grooves are trapezoidal.
3. A zipper-type shear key precast concrete pavement according to claim 2, wherein the precast concrete slab is provided with 3 insertion keys and insertion grooves on the side along the sideline direction thereof, respectively.
4. The zipper-type shear key precast concrete pavement according to any one of claims 1 to 3, wherein the insertion and fixing columns are truncated cone-shaped, and the diameter of the upper surface of the insertion and fixing columns is larger than that of the lower surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920327887.3U CN210140745U (en) | 2019-03-15 | 2019-03-15 | Zipper type shear key type precast concrete pavement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920327887.3U CN210140745U (en) | 2019-03-15 | 2019-03-15 | Zipper type shear key type precast concrete pavement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210140745U true CN210140745U (en) | 2020-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920327887.3U Expired - Fee Related CN210140745U (en) | 2019-03-15 | 2019-03-15 | Zipper type shear key type precast concrete pavement |
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| Country | Link |
|---|---|
| CN (1) | CN210140745U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112726315A (en) * | 2020-12-26 | 2021-04-30 | 中冶天工集团有限公司 | Socket joint formula concrete road module |
-
2019
- 2019-03-15 CN CN201920327887.3U patent/CN210140745U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112726315A (en) * | 2020-12-26 | 2021-04-30 | 中冶天工集团有限公司 | Socket joint formula concrete road module |
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| GR01 | Patent grant | ||
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| PP01 | Preservation of patent right |
Effective date of registration: 20210901 Granted publication date: 20200313 |
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| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210918 Granted publication date: 20200313 |
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| PD01 | Discharge of preservation of patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200313 |
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| CF01 | Termination of patent right due to non-payment of annual fee |