CN210238552U - Basin type superposed prefabricated bearing platform - Google Patents
Basin type superposed prefabricated bearing platform Download PDFInfo
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- CN210238552U CN210238552U CN201920832274.5U CN201920832274U CN210238552U CN 210238552 U CN210238552 U CN 210238552U CN 201920832274 U CN201920832274 U CN 201920832274U CN 210238552 U CN210238552 U CN 210238552U
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Abstract
The utility model relates to a cushion cap design technical field especially relates to a prefabricated cushion cap of basin formula coincide, its characterized in that: the main body of the prefabricated bearing platform comprises a shell with a bottom plate, a post-pouring groove is reserved in the shell, a transverse partition plate is arranged in the post-pouring groove to partition the post-pouring groove, and a plurality of connecting pore channels for butting with the pile top of a pile foundation supporting the prefabricated bearing platform are reserved on the bottom plate. The utility model has the advantages that: the structure is simple, and the phenomenon of cracks generated during the pouring of large-volume concrete is reduced; the prefabricated bearing platform can be connected with the pier stud and the pile foundation simultaneously, so that the construction efficiency is improved; the transportation and hoisting weight is reduced, and no template is required to be arranged; the method avoids the on-site binding of the bearing platform reinforcement cage, and the whole or most of the bearing platform reinforcement cage is finished in a prefabrication factory; the field bracket and the template are saved, and the interference to ground traffic is greatly reduced; the size of the bearing platform foundation pit and the external transportation of the earthwork of the foundation pit are reduced.
Description
Technical Field
The utility model relates to a cushion cap design technical field especially relates to a prefabricated cushion cap of basin formula coincide.
Background
At present, domestic traffic infrastructures are greatly popularized for prefabricated construction, the prefabricated assembly level of bridge superstructure, pier studs, pile foundations in soft soil areas and the like is remarkably improved, but the prefabricated assembly of a bearing platform serving as a bearing bridge pier stud is difficult to realize due to large volume and heavy weight, and the construction speed is low generally through cast-in-place construction at present. Therefore, it is necessary to develop a fabricated bearing platform which can be widely adopted by the engineering world at home and abroad as soon as possible.
Disclosure of Invention
The utility model aims at providing a prefabricated cushion cap of basin formula coincide according to above-mentioned prior art, the cushion cap adopts the design of prefabricated watering after adding, can not only lighten the transportation weight, can also ensure the joint strength of cushion cap and pier stud and pile foundation, and need not the founding plate when pouring the groove after the site pouring, reduction of construction period.
The utility model discloses the purpose is realized accomplishing by following technical scheme:
the utility model provides a prefabricated cushion cap of basin formula coincide which characterized in that: the main body of the prefabricated bearing platform comprises a shell with a bottom plate, a post-pouring groove is reserved in the shell, a transverse partition plate is arranged in the post-pouring groove to partition the post-pouring groove, and a plurality of connecting pore channels for butting with the pile top of a pile foundation supporting the prefabricated bearing platform are reserved on the bottom plate.
And an annular shear rib is arranged in the post-pouring groove.
And the corner of the bottom of the post-pouring groove is inverted.
The top surface of the connecting pore canal extends to the post-pouring groove.
The utility model has the advantages that: the structure is simple, and the phenomenon of cracks generated during the pouring of large-volume concrete is reduced; the prefabricated bearing platform can be connected with the pier stud and the pile foundation simultaneously, so that the construction efficiency is improved; the transportation and hoisting weight is reduced, no template is needed to be arranged, the technical problem that the domestic bridge bearing platform cannot be prefabricated and assembled for a long time is solved, the construction period is shortened, and the construction speed is accelerated; the method avoids the on-site binding of the bearing platform reinforcement cage, and the whole or most of the bearing platform reinforcement cage is finished in a prefabrication factory; the field bracket and the template are saved, and the interference to ground traffic is greatly reduced; the size of a bearing platform foundation pit and the external transportation of foundation pit earthwork are reduced; the standardized design and standardized construction are facilitated, and the bridge prefabrication and assembly level is further improved; the method is particularly suitable for prefabricating and assembling the urban bridge bearing platform, and has a very large application prospect in the fields of bridge engineering design and construction.
Drawings
Fig. 1 is a schematic front view of the present invention;
fig. 2 is a schematic plan view of the present invention.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of example in conjunction with the accompanying drawings to facilitate understanding by those skilled in the art:
as shown in fig. 1-2, the labels 1-8 in the figures are respectively expressed as: the device comprises a shell 1, a post-pouring groove 2, a pier stud 3, a diaphragm plate 4, a connecting pore passage 5, a chamfer 6, a pile foundation 7 and a bottom plate 8.
Example (b): this embodiment is a prefabricated cushion cap of basin formula coincide, and the cushion cap adopts the design of prefabricating with post-cast, can not only lighten transportation weight, can also ensure the joint strength of cushion cap and pier stud 3 and pile foundation 7, and need not the founding template when casting after-cast groove 2 in situ, reduction of erection time.
As shown in fig. 1 and 2, the main body of the prefabricated bearing platform comprises a shell 1 with a bottom plate 8, and a post-cast groove 2 with an upward opening is reserved along the top surface of the shell 1, so that the initial self weight of the prefabricated bearing platform is reduced, and the prefabricated bearing platform is convenient to transport; the workload of binding the reinforcement cage on site is reduced, the construction efficiency is improved, and the construction period is shortened. Post-cast groove 2 is the rectangle form, and the open area of post-cast groove 2 is greater than the bottom surface area of pier stud 3, pours the concrete in groove 2 through backward to place pier stud 3 in the concrete before the concrete hardening on, can realize the operation of being connected of pier stud 3 and shell 1.
As shown in figure 2, the periphery of the post-cast trough 2 is surrounded by the shell 1, namely the post-cast trough 2 is not arranged along the edge of the shell 1, and the shell 1 is directly used as a concrete pouring template when concrete is poured into the post-cast trough 2 in the later period, so that the template does not need to be erected, the technical problem that the domestic bridge bearing platform cannot be prefabricated and assembled for a long time is solved, and the construction period is shortened. Compared with cast-in-place, the cast-in-place device saves on-site supports and templates and greatly reduces the interference to ground traffic.
Referring to fig. 1 and 2, a partition plate 4 is disposed in the post-cast trough 2, the partition plate 4 is disposed along the width direction of the post-cast trough 2, and the post-cast trough 2 is divided into a left post-cast trough and a right post-cast trough which are independent from each other, so that the occurrence of cracks during the casting of large-volume concrete is reduced.
Referring to fig. 1 and 2, a plurality of connecting holes 5 are reserved on the bottom plate 8, and the connecting holes 5 are used for accommodating main ribs in the pile foundation 7. The top end of the connecting hole 5 extends into the post-pouring groove 2, so that the main rib extends into the post-pouring groove 2, and the nut is screwed at the top end of the main rib in the later period, thereby realizing the connection operation of the pile foundation 7 and the shell 1. Concrete is poured into the later-stage backward pouring groove 2, so that the connection operation of the shell 1, the pier stud 3 and the pile foundation 7 can be realized simultaneously, and the construction efficiency is improved.
As shown in fig. 2, a chamfer 6 is arranged at the corner of the bottom of the post-cast trough 2, so that the integrity of the post-cast concrete is improved. An annular shear rib (not shown in the figure) is arranged in the post-pouring groove 2, so that the compression performance of concrete is improved, and the connection strength of the pier stud 3 and the shell 1 is improved.
The operation steps of this embodiment are as follows:
transporting the housing 1 to a construction site; completing the pouring operation or the positioning operation of the pile foundation 7, and enabling the main reinforcement in the pile foundation 7 to be exposed above the pile foundation 7; hoisting the shell 1 with the bottom plate 8, aligning the connecting pore 5 reserved on the bottom plate 8 with the main rib, then lowering the shell 1 of the bottom plate 8, and screwing the nut on the main rib exposed in the post-pouring groove 2; installing a partition plate 4; and (3) pouring concrete in a subarea manner, hoisting the pier stud 3 to the concrete before the concrete is hardened, and finishing the connection of the pier stud 3 and the shell 1 after the concrete is hardened.
Compared with the prior cast-in-place construction process of the bearing platform: the transportation and hoisting weight is reduced, no template is needed to be arranged, the technical problem that the domestic bridge bearing platform cannot be prefabricated and assembled for a long time is solved, the construction period is shortened, and the construction speed is accelerated; the method avoids the on-site binding of the bearing platform reinforcement cage, and the whole or most of the bearing platform reinforcement cage is finished in a prefabrication factory; the field bracket and the template are saved, and the interference to ground traffic is greatly reduced; the size of a bearing platform foundation pit and the external transportation of foundation pit earthwork are reduced; the standardized design and standardized construction are facilitated, and the bridge prefabrication and assembly level is further improved; the method is particularly suitable for prefabricating and assembling the urban bridge bearing platform, and has a very large application prospect in the fields of bridge engineering design and construction.
In the embodiment, in specific implementation:
the size of the nut is about 3 times of the diameter of the main rib; the bottom of the housing 1 is 30cm thick and the side walls are about 18cm thick.
The small-sized bearing platform generally binds the steel reinforcement cage of the bearing platform and the steel reinforcement in the post-cast groove 2 into a whole in a prefabrication plant, and the weight is controlled within 100 t. The large-scale cushion cap is prefabricated and installed in sections, and the sections are connected through reinforcing steel bars.
Although the conception and the embodiments of the present invention have been described in detail with reference to the drawings, those skilled in the art will recognize that various changes and modifications can be made therein without departing from the scope of the appended claims.
Claims (4)
1. The utility model provides a prefabricated cushion cap of basin formula coincide which characterized in that: the main body of the prefabricated bearing platform comprises a shell with a bottom plate, a post-pouring groove is reserved in the shell, a transverse partition plate is arranged in the post-pouring groove to partition the post-pouring groove, and a plurality of connecting pore channels for butting with the pile top of a pile foundation supporting the prefabricated bearing platform are reserved on the bottom plate.
2. The basin-type laminated prefabricated bearing platform as claimed in claim 1, wherein: and an annular shear rib is arranged in the post-pouring groove.
3. The basin-type laminated prefabricated bearing platform as claimed in claim 1, wherein: and the corner of the bottom of the post-pouring groove is inverted.
4. The basin-type laminated prefabricated bearing platform as claimed in claim 1, wherein: the top surface of the connecting pore canal extends to the post-pouring groove.
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CN201920832274.5U CN210238552U (en) | 2019-06-04 | 2019-06-04 | Basin type superposed prefabricated bearing platform |
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CN201920832274.5U CN210238552U (en) | 2019-06-04 | 2019-06-04 | Basin type superposed prefabricated bearing platform |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112227407A (en) * | 2020-10-12 | 2021-01-15 | 山东大学 | Connecting system and connecting method for prefabricated superposed foundation and prefabricated concrete column |
CN112227530A (en) * | 2020-10-12 | 2021-01-15 | 山东大学 | Connecting system and connecting method for precast concrete superposed foundation and steel column |
CN113293703A (en) * | 2021-05-17 | 2021-08-24 | 太原理工大学 | Template-free prefabricated superposed assembly type pier column-bearing platform structure and construction method thereof |
CN113668540A (en) * | 2021-08-17 | 2021-11-19 | 中国二十二冶集团有限公司 | Concrete bearing platform foundation construction method |
CN115992530A (en) * | 2023-03-22 | 2023-04-21 | 中国电力工程顾问集团有限公司 | Offshore wind turbine foundation and installation method thereof |
-
2019
- 2019-06-04 CN CN201920832274.5U patent/CN210238552U/en active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112227407A (en) * | 2020-10-12 | 2021-01-15 | 山东大学 | Connecting system and connecting method for prefabricated superposed foundation and prefabricated concrete column |
CN112227530A (en) * | 2020-10-12 | 2021-01-15 | 山东大学 | Connecting system and connecting method for precast concrete superposed foundation and steel column |
CN113293703A (en) * | 2021-05-17 | 2021-08-24 | 太原理工大学 | Template-free prefabricated superposed assembly type pier column-bearing platform structure and construction method thereof |
CN113668540A (en) * | 2021-08-17 | 2021-11-19 | 中国二十二冶集团有限公司 | Concrete bearing platform foundation construction method |
CN115992530A (en) * | 2023-03-22 | 2023-04-21 | 中国电力工程顾问集团有限公司 | Offshore wind turbine foundation and installation method thereof |
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