CN215104604U - Connecting device for prefabricated bridge pier and bearing platform - Google Patents
Connecting device for prefabricated bridge pier and bearing platform Download PDFInfo
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- CN215104604U CN215104604U CN202120787662.3U CN202120787662U CN215104604U CN 215104604 U CN215104604 U CN 215104604U CN 202120787662 U CN202120787662 U CN 202120787662U CN 215104604 U CN215104604 U CN 215104604U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 85
- 239000010959 steel Substances 0.000 claims abstract description 85
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- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 239000011440 grout Substances 0.000 abstract description 7
- 238000010276 construction Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000035699 permeability Effects 0.000 description 4
- 239000011178 precast concrete Substances 0.000 description 4
- 239000011083 cement mortar Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 238000010923 batch production Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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- 239000004570 mortar (masonry) Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
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Abstract
The utility model discloses a connecting device for be used for prefabricated pier and cushion cap for the prefabricated pier on upper portion and the cushion cap of lower part are connected, connecting device includes: prefabricating an embedded pier part; a bearing platform embedded part; the rear-mounted I-steel is arranged in the cavity and comprises an upper wing plate, a lower wing plate and a web plate, wherein the upper wing plate and the lower wing plate are horizontally arranged, the web plate is vertically connected between the upper wing plate and the lower wing plate, the upper wing plate is positioned in a first C-shaped clamping groove, the lower wing plate is positioned in a second C-shaped clamping groove, a plurality of first hole-opening steel sheets are sequentially arranged at the two sides of the upper end of the web plate in an end-to-end interval mode, and each first hole-opening steel sheet is clamped at the connecting position of the upper wing plate and the web plate; and a plurality of second perforated steel sheets are sequentially arranged at the head and the tail of the two sides of the lower end of the web plate at intervals, and each second perforated steel sheet is clamped at the joint of the lower wing plate and the web plate. The utility model has the advantages of can bear pressure, possess high shear strength again and the closely knit of grout.
Description
Technical Field
The utility model belongs to the bridge field, concretely relates to a connecting device for be used for prefabricated pier and cushion cap.
Background
With the rapid development of Chinese economy, the number of domestic vehicles is increased year by year, and domestic road and bridge construction projects are gradually increased to meet domestic traffic demands. However, most of the conventional construction methods in the existing bridge construction process are cast-in-place construction methods, so that the construction period is long, the occupied area is large, the pollution to the surrounding environment is large, and the like, and the problem of great influence on surrounding traffic is also caused in the urban bridge construction. And assembly techniques effectively address these issues. Meanwhile, in recent years, China promotes the industrial upgrading of the building field and promotes the industrial development of buildings. The production of prefabricated parts is carried out in a prefabricating factory, splicing is carried out on site, and the process of bridge construction is completed in a green, efficient and rapid mode.
However, the grouting sleeve technology is adopted to connect the existing bridge structure, the problems of construction difficulty, insufficient compactness of grouting, difficulty in detection and the like can occur, the construction of the structure of the lower bearing platform and the pier of the bridge is the most important in the construction of the bridge, a new connecting mode is needed to solve the problem in the assembling technology of the connecting structure of the lower bearing platform and the pier of the bridge, the green, efficient and quick effects are achieved, the bridge construction is completed, and the industrial development in the bridge is effectively promoted. The inventor has reported a patent No. 201820084249.9 entitled a joint connecting device between prefabricated columns, which comprises an upper column embedded part embedded at the lower end of an upper prefabricated column, wherein the upper column embedded part comprises a first C-shaped clamping groove exposed out of the upper prefabricated column; a lower column embedded part embedded at the upper end of the lower prefabricated column, wherein the lower column embedded part comprises a second C-shaped clamping groove which is exposed out of the lower prefabricated column upwards; afterloading the i-beam, the afterloading i-beam comprising: the upper wing plate and the lower wing plate are horizontally arranged, the web plate is vertically connected between the upper wing plate and the lower wing plate, the upper wing plate is connected in the first C-shaped clamping groove in an embedded mode, and the lower wing plate is connected in the second C-shaped clamping groove in an embedded mode. This patent makes this product design, production, construction installation process degree of difficulty greatly reduced, practices thrift construction period, saves engineering cost. However, the patent is designed for bridges, and not only needs to bear pressure but also needs to bear shearing force, so that the shear strength of the structure is insufficient.
Disclosure of Invention
The utility model aims at solving the technical problem, provide a can bear pressure, possess high shear strength and the closely knit connecting device who is used for prefabricating pier and cushion cap that is in milk again.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a connecting device for a prefabricated bridge pier and a cap for connecting an upper prefabricated bridge pier and a lower cap, the connecting device comprising:
the prefabricated pier embedded part is embedded at the lower end of the prefabricated pier and comprises a first C-shaped clamping groove which is exposed out of the prefabricated pier downwards;
the bearing platform embedded part is embedded at the upper end of the bearing platform and comprises a second C-shaped clamping groove which is upwards exposed out of the bearing platform; the openings of the first C-shaped clamping groove and the second C-shaped clamping groove are butted to form a funnel-shaped cavity;
the rear-mounted I-steel is arranged in the cavity and comprises an upper wing plate, a lower wing plate and a web plate, wherein the upper wing plate and the lower wing plate are horizontally arranged, the web plate is vertically connected between the upper wing plate and the lower wing plate, the upper wing plate is positioned in a first C-shaped clamping groove, the lower wing plate is positioned in a second C-shaped clamping groove, a plurality of first hole-opening steel sheets are sequentially arranged at the two sides of the upper end of the web plate in an end-to-end interval mode, and each first hole-opening steel sheet is clamped at the connecting position of the upper wing plate and the web plate; a plurality of second perforated steel sheets are sequentially arranged at intervals end to end on two sides of the lower end of the web plate, and each second perforated steel sheet is clamped at the joint of the lower wing plate and the web plate;
the first C-shaped clamping groove and the second C-shaped clamping groove are respectively provided with a semicircular hole corresponding to each first perforated steel sheet; the first C-shaped clamping groove, the second C-shaped clamping groove and the rear-mounted I-shaped steel are fixed in a grouting mode.
As a further technical scheme, the first perforated steel sheet and the second perforated steel sheet are both rectangular steel sheets, a hole in each rectangular steel sheet is formed by connecting a strip-shaped opening and a circular through hole, and the strip-shaped openings of the first perforated steel sheet and the second perforated steel sheet are arranged oppositely on the same side.
As a further technical scheme, the first perforated steel sheets positioned on the upper row and the second perforated steel sheets positioned on the lower row on the same side are arranged in a staggered mode.
As a further technical scheme, the upper surface of the upper wing plate and the lower surface of the lower wing plate are respectively provided with a plurality of ridges.
As a further technical scheme, 4 first C-shaped clamping grooves are arranged and are distributed in a rectangular shape; the number of the second C-shaped clamping grooves is 4, and the second C-shaped clamping grooves are distributed in the same rectangular shape as the 4 first C-shaped clamping grooves; the number of the rear-mounted I-steel bars is 4, and the rear-mounted I-steel bars are distributed in the same rectangular shape as the 4 first C-shaped clamping grooves; openings of the first C-shaped clamping groove and the second C-shaped clamping groove in the same direction are butted to form a funnel-shaped cavity; the rear-mounted I-steel is arranged in the cavity in the same direction.
As a further technical scheme, a precast concrete bump is arranged in a rectangle surrounded by the 4 first C-shaped slots, the concrete bump protrudes out of the lower edge of the first C-shaped slot, the protruding part of the precast concrete bump is inserted and bonded in the rectangle surrounded by the 4 second C-shaped slots, and the height of the concrete bump is equal to the height of the first C-shaped slot and the second C-shaped slot after combination.
As a further technical solution, the first C-shaped slot is a linear slot whose length penetrates through the prefabricated bridge pier, the second C-shaped slot is a linear slot whose length penetrates through the bearing platform, the upper wing plate is arranged in the first C-shaped slot along the length direction of the first C-shaped slot, the lower wing plate is arranged in the second C-shaped slot along the length direction of the second C-shaped slot, and the rear-loading i-steel is in clearance fit with the first C-shaped slot and the second C-shaped slot.
As a further technical scheme, the first C-shaped clamping groove is connected with the prefabricated bridge pier, the second C-shaped clamping groove is connected with the longitudinal ribs in the bearing platform in a perforation welding mode.
As a further technical scheme, the cross sections of the two butted sides of the first C-shaped clamping groove and the second C-shaped clamping groove are right trapezoid, and the straight waist of the upper right trapezoid is attached to the straight waist of the lower right trapezoid.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses can bear pressure, possess high shear strength again. The utility model discloses the cement mortar that pours into the cavity between two C type draw-in grooves and the after-loading I-steel solidifies the back, becomes the after-loading I-steel and prefabricates the force transmission medium between pier, the cushion cap, makes after-loading I-steel and prefabricates pier, cushion cap and closely combine, and then makes prefabricate pier and cushion cap firm connection, can bear higher pressure; however, the connecting device of the utility model can bear shearing force besides pressure in the process of connecting the prefabricated pier and the bearing platform, so that the first perforated steel sheet and the second perforated steel sheet are arranged on the original I-shaped steel structure, the utility model can bear pressure and improve shearing strength; furthermore, the utility model discloses be equipped with a plurality of stupefied lines respectively at the upper surface of last pterygoid lamina and the lower surface of pterygoid lamina down, increase inside friction performance, improve inside shear strength.
2. The utility model discloses the grout is closely knit. Firstly, the semi-circular holes are formed at the position, corresponding to each first perforated steel sheet, of the first C-shaped clamping groove and at the position, corresponding to each second perforated steel sheet, of the second C-shaped clamping groove, so that the contact area of the I-shaped steel can be increased when cement mortar is filled in the cavity, and the bonding force between the I-shaped steel and the inside of the I-shaped steel can be further increased; secondly, the holes formed on the first perforated steel sheet and the second perforated steel sheet of the utility model can improve the permeability during internal grouting and improve the compactness of the internal grouting; third, the utility model discloses a cavity is the funnel shape, and the butt joint's of first C shape draw-in groove and second C shape draw-in groove both sides cross-section is right trapezoid, goes up right trapezoid's the straight waist and laminates mutually with lower right trapezoid's straight waist, has further improved the permeability of grout, improves the closely knit degree of inside grout.
3. The utility model discloses in the installation, only need to aim at the first C shape draw-in groove of prefabricated pier and the second C shape draw-in groove of cushion cap, in the second C shape draw-in groove that prefabricated pier lower part precast concrete lug steadily inserted the cushion cap middle part encloses into the rectangle frame, after inserting I-steel, seal the grout, its installation is simple and easy, whether the component connection targets in place, whether the mortar is filled, the naked eye can observe and target in place.
4. The utility model discloses used C type draw-in groove with back dress I-steel is fit for the batch production of mill, prefabricated component mill formwork is simple and easy, and the atress performance can satisfy the design standard and require based on the antidetonation design of performance, accords with the urgent need of china's assembled bridge.
5. The utility model discloses a bridge construction's batch production, standardization, assembly reach green, high-efficient, quick effect and accomplish the bridge construction.
Drawings
Fig. 1 is a schematic view of an overall assembly structure of a connecting device for a prefabricated pier and a bearing platform of the present invention;
fig. 2 is a sectional view of an overall assembly structure of a connecting device for a prefabricated pier and a bearing platform according to the present invention;
fig. 3 is a schematic view of the structural explosion installation of the connecting device for the prefabricated bridge pier and the bearing platform of the present invention;
fig. 4 is a schematic view of the connection between the clamping groove of the connecting device for the prefabricated pier and the bearing platform of the present invention and the longitudinal ribs inside the prefabricated pier and the bearing platform;
fig. 5 is a schematic structural view of a prefabricated pier of the connecting device for the prefabricated pier and the bearing platform of the present invention;
fig. 6 is a schematic structural view of a bearing platform of the connecting device for the prefabricated bridge pier and the bearing platform of the present invention;
fig. 7 is a demonstration diagram of the docking process of the connecting device for the prefabricated pier and the bearing platform of the present invention;
fig. 8 is the structure schematic diagram of the utility model after the installation of the after-loading i-steel of the connecting device for prefabricating the bridge pier and the bearing platform.
Reference numerals: 1-prefabricated bridge pier, 2-bearing platform, 3-first C-shaped clamping groove, 4-second C-shaped clamping groove, 5-rear installation of I-shaped steel, 501-upper wing plate, 502-lower wing plate, 503-web plate, 504-first perforated steel sheet, 505-second perforated steel sheet, 506-semicircular hole, 507-strip-shaped opening, 508-circular through hole, 509-corrugation, 510-prefabricated concrete bump, 6-longitudinal rib and 7-mortar.
Detailed Description
The present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited to the scope of the examples.
Example 1:
as shown in fig. 1 to 8, a connecting device for a prefabricated pier 1 and a cap 2 for connecting an upper prefabricated pier 1 and a lower cap 2, the connecting device comprising:
the method comprises the following steps of prefabricating an embedded part of a pier 1, wherein the embedded part of the pier 1 is embedded at the lower end of the pier 1, and the embedded part of the pier 1 comprises a first C-shaped clamping groove 3 which is exposed out of the pier 1 downwards;
the bearing platform 2 is an embedded part, the bearing platform 2 is embedded in the upper end of the bearing platform 2, and the bearing platform 2 embedded part comprises a second C-shaped clamping groove 4 which is exposed out of the bearing platform 2 upwards; the openings of the first C-shaped clamping groove 3 and the second C-shaped clamping groove 4 are butted to form a funnel-shaped cavity;
the rear-mounted I-steel 5 is arranged in the cavity, the rear-mounted I-steel 5 comprises an upper wing plate 501 and a lower wing plate 502 which are horizontally arranged, and a web plate 503 vertically connected between the upper wing plate 501 and the lower wing plate 502, the upper wing plate 501 is positioned in a first C-shaped clamping groove 3, the lower wing plate 502 is positioned in a second C-shaped clamping groove 4, a plurality of first hole-opened steel sheets 504 are sequentially arranged at the head and the tail of two sides of the upper end of the web plate 503 at intervals, and each first hole-opened steel sheet 504 is clamped at the connecting position of the upper wing plate 501 and the web plate 503; a plurality of second open pore steel sheets 505 are sequentially arranged at the head and the tail of the two sides of the lower end of the web 503 at intervals, and each second open pore steel sheet 505 is clamped at the connection part of the lower wing plate 502 and the web 503;
a semicircular hole 506 is formed at the position of the first C-shaped clamping groove 3 corresponding to each first hole-forming steel sheet 504 and at the position of the second C-shaped clamping groove 4 corresponding to each second hole-forming steel sheet 505; the first C-shaped clamping groove 3, the second C-shaped clamping groove 4 and the rear-mounted I-steel 5 are fixed in a grouting mode. The prefabricated pier 1 and the bearing platform 2 are connected together by utilizing the rear-mounted I-shaped steel 5, and then the prefabricated pier 1 and the bearing platform 2 are connected.
In order to further improve grouting permeability and improve internal grouting compactness, the first perforated steel sheet 504 and the second perforated steel sheet 505 are both rectangular steel sheets, a hole in each rectangular steel sheet is formed by connecting a strip-shaped opening 507 and a circular through hole 508, and the strip-shaped openings 507 of the first perforated steel sheet 504 and the second perforated steel sheet 505 on the same side are oppositely arranged. The first perforated steel sheets 504 positioned on the upper row and the second perforated steel sheets 505 positioned on the lower row on the same side are arranged in a staggered manner.
In order to improve the shear strength, the upper surface of the upper wing plate 501 and the lower surface of the lower wing plate 502 are respectively provided with a plurality of ridges 509, so that the friction force between the prefabricated bridge pier 1 and the bearing platform 2 can be increased.
In order to further improve the connection strength of the prefabricated pier 1 and the bearing platform 2, 4 first C-shaped clamping grooves 3 are arranged and distributed in a rectangular shape; the number of the second C-shaped clamping grooves 4 is 4, and the second C-shaped clamping grooves are distributed in the same rectangular shape as the 4 first C-shaped clamping grooves 3; 4 rear-mounted I-beams 5 are arranged and distributed in the same rectangular shape as the 4 first C-shaped clamping grooves 3; the openings of the first C-shaped clamping groove 3 and the second C-shaped clamping groove 4 in the same direction are butted to form a funnel-shaped cavity; the rear-mounted I-steel 5 is arranged in the cavity in the same direction. The rectangle that 4 first C shape draw-in grooves 3 enclose is equipped with precast concrete lug 510 in, and the concrete lug protrusion first C shape draw-in groove 3 lower limb, its bulge insert bond in the rectangle that 4 second C shape draw-in grooves 4 enclose, and the height of concrete lug equals with the height behind first C shape draw-in groove 3 and the combination of second C shape draw-in groove 4. That is, the volume of the concrete bump is the same as the internal volume enclosed by the first C-shaped slot 3 and the second C-shaped slot 4.
In order to facilitate the assembly of the after-loading I-steel 5 with the prefabricated pier 1 and the bearing platform 2, the first C-shaped clamping groove 3 is a linear clamping groove with the length penetrating through the prefabricated pier 1, the second C-shaped clamping groove 4 is a linear clamping groove with the length penetrating through the bearing platform 2, the upper wing plate 501 is arranged in the first C-shaped clamping groove 3 along the length direction of the first C-shaped clamping groove 3, the lower wing plate 502 is arranged in the second C-shaped clamping groove 4 along the length direction of the second C-shaped clamping groove 4, and the after-loading I-steel 5 is in clearance fit with the first C-shaped clamping groove 3 and the second C-shaped clamping groove 4.
The first C-shaped clamping groove 3 is connected with the prefabricated bridge pier 1, the second C-shaped clamping groove 4 is connected with the longitudinal ribs 6 in the bearing platform 2 in a perforation welding mode, and therefore the combination strength of the prefabricated bridge pier 1, the first C-shaped clamping groove 3, the second C-shaped clamping groove 4 and the bearing platform 2 is further improved.
In order to further improve the permeability of grout, improve the closely knit degree of inside grout, the butt joint both sides cross-section of first C shape draw-in groove 3 and second C shape draw-in groove 4 is right trapezoid, and the straight waist of right trapezoid and the straight waist of lower side right trapezoid of upper side right trapezoid laminate mutually.
In the field installation and construction process, the first C-shaped clamping groove 3 and the second C-shaped clamping groove 4 are respectively installed at the lower end of the prefabricated pier 1 and the upper end of the bearing platform 2, the prefabricated pier 1 is hoisted, the first C-shaped clamping groove 3 and the second C-shaped clamping groove 4 are in butt joint, the concrete bump is installed in a rectangular containing cavity enclosed by the second C-shaped clamping groove 4 of the bearing platform 2, the rear-installed I-steel 5 is inserted into a cavity formed by the first C-shaped clamping groove 3 and the second C-shaped clamping groove 4, the vertical distance between the rear-installed I-steel 5 and the cavity is the same, finally, high-strength cement mortar 7 is poured into the cavity, and after the grouting material is solidified, connection of the parts is completed. The connection mode is efficient and simple, has high fault-tolerant rate, is suitable for large-scale production of factories, and can solve the existing problems.
The cross-sectional shape of the prefabricated pier 1 or the platform 2 may be one of a rectangle, an ellipse, a square and the like.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "head", "tail", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the invention. It is also to be understood that, unless expressly stated or limited otherwise, the terms "connected" and "coupled" are intended to be open-ended, i.e., may be fixedly connected; can be a detachable connection; or may be a point connection; may be a direct connection; may be indirectly connected through an intermediate medium, and may communicate between the two components, and those skilled in the art will understand the specific meaning of the above terms in the present invention in specific situations. The equipment connection mode not described in detail in the utility model is understood according to the conventional connection mode in the field.
The above embodiments are only specific examples for further detailed description of the objects, technical solutions and advantages of the present invention, and the present invention is not limited thereto. Any modification, equivalent replacement, improvement and the like made within the scope of the present disclosure are all included within the protection scope of the present disclosure.
Claims (9)
1. A connecting device for prefabricated bridge pier and bearing platform, be used for connecting prefabricated bridge pier and the bearing platform of lower part in upper portion, its characterized in that, connecting device includes:
the prefabricated pier embedded part is embedded at the lower end of the prefabricated pier and comprises a first C-shaped clamping groove which is exposed out of the prefabricated pier downwards;
the bearing platform embedded part is embedded at the upper end of the bearing platform and comprises a second C-shaped clamping groove which is upwards exposed out of the bearing platform; the openings of the first C-shaped clamping groove and the second C-shaped clamping groove are butted to form a funnel-shaped cavity;
the rear-mounted I-steel is arranged in the cavity and comprises an upper wing plate, a lower wing plate and a web plate, wherein the upper wing plate and the lower wing plate are horizontally arranged, the web plate is vertically connected between the upper wing plate and the lower wing plate, the upper wing plate is positioned in a first C-shaped clamping groove, the lower wing plate is positioned in a second C-shaped clamping groove, a plurality of first hole-opening steel sheets are sequentially arranged at the two sides of the upper end of the web plate in an end-to-end interval mode, and each first hole-opening steel sheet is clamped at the connecting position of the upper wing plate and the web plate; a plurality of second perforated steel sheets are sequentially arranged at intervals end to end on two sides of the lower end of the web plate, and each second perforated steel sheet is clamped at the joint of the lower wing plate and the web plate;
the first C-shaped clamping groove and the second C-shaped clamping groove are respectively provided with a semicircular hole corresponding to each first perforated steel sheet; the first C-shaped clamping groove, the second C-shaped clamping groove and the rear-mounted I-shaped steel are fixed in a grouting mode.
2. A connecting device for a precast pier and cap according to claim 1, wherein: the first perforated steel sheet and the second perforated steel sheet are both rectangular steel sheets, a hole in each rectangular steel sheet is formed by connecting a strip-shaped opening and a circular through hole, and the strip-shaped openings of the first perforated steel sheet and the second perforated steel sheet are arranged in opposite directions at the same side.
3. A connecting device for a precast pier and cap according to claim 1, wherein: the first perforated steel sheets positioned on the upper row and the second perforated steel sheets positioned on the lower row on the same side are arranged in a staggered mode.
4. A connecting device for a precast pier and cap according to claim 1, wherein: the upper surface of the upper wing plate and the lower surface of the lower wing plate are respectively provided with a plurality of ridges.
5. A connecting device for a precast pier and cap according to claim 1, wherein: the number of the first C-shaped clamping grooves is 4, and the first C-shaped clamping grooves are distributed in a rectangular shape; the number of the second C-shaped clamping grooves is 4, and the second C-shaped clamping grooves are distributed in the same rectangular shape as the 4 first C-shaped clamping grooves; the number of the rear-mounted I-steel bars is 4, and the rear-mounted I-steel bars are distributed in the same rectangular shape as the 4 first C-shaped clamping grooves; openings of the first C-shaped clamping groove and the second C-shaped clamping groove in the same direction are butted to form a funnel-shaped cavity; the rear-mounted I-steel is arranged in the cavity in the same direction.
6. A connection device for prefabricated bridge piers and cap piers according to claim 5, wherein: the concrete lug is arranged in a rectangle enclosed by the 4 first C-shaped clamping grooves, the concrete lug protrudes out of the lower edge of the first C-shaped clamping groove, the protruding part of the concrete lug is inserted and bonded in the rectangle enclosed by the 4 second C-shaped clamping grooves, and the height of the concrete lug is equal to the height of the first C-shaped clamping groove and the second C-shaped clamping groove after combination.
7. A connecting device for a precast pier and cap according to claim 1, wherein: the first C-shaped clamping groove is a linear clamping groove with the length penetrating through the prefabricated bridge pier, the second C-shaped clamping groove is a linear clamping groove with the length penetrating through the bearing platform, the upper wing plate is arranged in the first C-shaped clamping groove along the length direction of the first C-shaped clamping groove, the lower wing plate is arranged in the second C-shaped clamping groove along the length direction of the second C-shaped clamping groove, and the rear-mounted I-steel is in clearance fit with the first C-shaped clamping groove and the second C-shaped clamping groove.
8. A connecting device for a precast pier and cap according to claim 7, wherein: the first C-shaped clamping groove is connected with the prefabricated bridge pier, the second C-shaped clamping groove is connected with the longitudinal ribs in the bearing platform in a perforation welding mode.
9. A connecting device for a precast pier and cap according to claim 1, wherein: the cross sections of the two sides of the first C-shaped clamping groove and the second C-shaped clamping groove which are connected mutually are right trapezoid, and the straight waist of the upper right trapezoid is attached to the straight waist of the lower right trapezoid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120787662.3U CN215104604U (en) | 2021-04-13 | 2021-04-13 | Connecting device for prefabricated bridge pier and bearing platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120787662.3U CN215104604U (en) | 2021-04-13 | 2021-04-13 | Connecting device for prefabricated bridge pier and bearing platform |
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| Publication Number | Publication Date |
|---|---|
| CN215104604U true CN215104604U (en) | 2021-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120787662.3U Expired - Fee Related CN215104604U (en) | 2021-04-13 | 2021-04-13 | Connecting device for prefabricated bridge pier and bearing platform |
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| CN (1) | CN215104604U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114941320A (en) * | 2022-05-07 | 2022-08-26 | 浙江大学 | Prefabricated concrete square pile connecting method based on I-shaped steel rear insertion method |
-
2021
- 2021-04-13 CN CN202120787662.3U patent/CN215104604U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114941320A (en) * | 2022-05-07 | 2022-08-26 | 浙江大学 | Prefabricated concrete square pile connecting method based on I-shaped steel rear insertion method |
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Granted publication date: 20211210 |