CN214783224U - Hollow pier and cushion cap mosaic structure - Google Patents
Hollow pier and cushion cap mosaic structure Download PDFInfo
- Publication number
- CN214783224U CN214783224U CN202120161161.4U CN202120161161U CN214783224U CN 214783224 U CN214783224 U CN 214783224U CN 202120161161 U CN202120161161 U CN 202120161161U CN 214783224 U CN214783224 U CN 214783224U
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- prefabricated
- hollow
- pier
- mound
- bearing platform
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- 230000002787 reinforcement Effects 0.000 claims abstract description 39
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 34
- 239000010959 steel Substances 0.000 claims abstract description 34
- 239000004567 concrete Substances 0.000 claims abstract description 28
- 239000000853 adhesive Substances 0.000 claims abstract description 4
- 230000001070 adhesive effect Effects 0.000 claims abstract description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 42
- 239000002002 slurry Substances 0.000 claims description 12
- 239000011376 self-consolidating concrete Substances 0.000 claims description 3
- 238000010008 shearing Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 12
- 230000002349 favourable effect Effects 0.000 description 8
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000011440 grout Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to a hollow mound and cushion cap mosaic structure belongs to building engineering technical field, and it includes prefabricated cushion cap and prefabricated hollow mound, the mounting groove has been seted up on the prefabricated cushion cap, the mounting groove with the cooperation of pegging graft of prefabricated hollow mound, the interior bottom surface of mounting groove with be provided with the adhesive linkage between the prefabricated hollow mound, be provided with prefabricated steel reinforcement cage on the prefabricated cushion cap, prefabricated hollow mound set up in the prefabricated steel reinforcement cage, prefabricated steel reinforcement cage with be provided with the fixed station that concrete placement formed between the prefabricated hollow mound, prefabricated steel reinforcement cage set up in the fixed station. The splicing strength of the hollow pier and the connecting position of the bearing platform is improved, and the anti-shearing performance and the anti-seismic performance of the connecting area are enhanced.
Description
Technical Field
The application relates to the technical field of constructional engineering, in particular to a hollow pier and bearing platform splicing structure.
Background
The connection mode of the bridge prefabricated pier stud and the bearing platform generally comprises a cast-in-place mode and a socket joint mode. Connecting steel bars are reserved at the top of the bearing platform and the bottom of the prefabricated pier body respectively in a cast-in-place mode, after the pier body is hoisted in place, the connecting steel bars between the bottom of the pier column and the bearing platform are bound or welded on site, then the bearing platform and a connecting section template are erected, and concrete is cast in place at the bottom of the pier column and the bearing platform together. Inserting the prefabricated part into a preformed hole or a cup opening of a corresponding bearing platform in a socket joint mode, laying mortar at the bottom of the prefabricated part, and filling the periphery of the prefabricated part with semi-dry hard fine stone concrete.
In the related art, the chinese utility model patent with publication number CN210596994U discloses a prefabricated pier connection node structure, wherein the prefabricated pier comprises a plurality of prefabricated pier segments which are sequentially assembled from bottom to top; the top and the bottom of each pier segment are respectively provided with a positioning tenon and a positioning groove, the positioning tenons are inserted into the positioning grooves to be occluded to form a connecting node structure when the pier segments are assembled up and down, the bottom surface of a pier bottom segment in each pier segment is provided with the positioning groove or the positioning tenon, and the top surface of a corresponding bearing platform is correspondingly provided with the positioning tenon or the positioning groove; when the pier bottom section is spliced with the bearing platform, the positioning tenon is inserted into the positioning groove to be occluded and assembled to realize assembly.
Aiming at the related technologies, the inventor thinks that the assembly of the pier bottom section and the bearing platform is realized only by inserting the positioning tenon into the positioning groove for occlusion assembly, and other measures are not provided for reinforcing the connection between the pier bottom section and the bearing platform, the splicing strength of the pier bottom section and the bearing platform is low, and the defects of poor shearing resistance and poor shock resistance of the connecting section exist.
SUMMERY OF THE UTILITY MODEL
In order to improve the splicing strength of hollow pier and cushion cap junction, reinforcing connection area shear resistance and anti-seismic performance, this application provides a hollow pier and cushion cap mosaic structure.
The application provides a hollow mound and cushion cap mosaic structure adopts following technical scheme:
the utility model provides a hollow mound and cushion cap mosaic structure, includes prefabricated cushion cap and prefabricated hollow mound, the mounting groove has been seted up on the prefabricated cushion cap, the mounting groove with the cooperation of pegging graft of prefabricated hollow mound, the interior bottom surface of mounting groove with be provided with the adhesive linkage between the prefabricated hollow mound, be provided with prefabricated steel reinforcement cage on the prefabricated cushion cap, prefabricated hollow mound set up in the prefabricated steel reinforcement cage, prefabricated steel reinforcement cage with be provided with the fixed station that concrete placement formed between the prefabricated hollow mound, prefabricated steel reinforcement cage set up in the fixed station.
Through adopting above-mentioned technical scheme, being provided with of mounting groove and adhesive linkage does benefit to and improves the stability that prefabricated hollow mound was installed on prefabricated cushion cap, when prefabricated hollow mound and mounting groove are pegged graft to cooperate, operating personnel pours the concrete at prefabricated steel reinforcement cage outer support and forms the fixed station again, and the setting up of fixed station makes at the bottom of the prefabricated hollow mound pier become a whole with prefabricated cushion cap, is favorable to improving the splice strength of hollow mound and cushion cap junction, reinforcing connection area anti-shear performance, anti-seismic performance.
Preferably, a guide column is vertically arranged on the prefabricated bearing platform, the diameter of the guide column is smaller than the inner diameter of the prefabricated hollow pier, and the guide column is in splicing fit with the prefabricated hollow pier.
Through adopting above-mentioned technical scheme, when operating personnel hoisted prefabricated hollow pier, operating personnel emboliaed the guide post with prefabricated hollow pier bottom, and the setting of guide post can provide the guide effect for prefabricated hollow pier on the one hand, makes things convenient for operating personnel to control the location of prefabricated hollow pier, and the pier body topples when preventing to hoist, and on the other hand is favorable to improving the anti-shear bearing capacity of prefabricated hollow pier bottom.
Preferably, the inner bottom surface of the mounting groove is provided with a fixing groove, the prefabricated hollow pier is provided with a reinforcing column, and the reinforcing column is in splicing fit with the fixing groove.
Through adopting above-mentioned technical scheme, being provided with of reinforcement post, fixed slot does benefit to and strengthens the joint strength between prefabricated hollow pier and the prefabricated cushion cap.
Preferably, the inner bottom surface of the fixing groove is pre-embedded with connecting steel bars, a connecting cavity is arranged in the reinforcing column, and the connecting steel bars are in splicing fit with the connecting cavity.
Through adopting above-mentioned technical scheme, connecting reinforcement and connecting cavity be provided with and do benefit to the anti shear capacity that improves the reinforcement post.
Preferably, the connecting cavity extends to the prefabricated hollow pier, a slurry inlet hole is formed in the prefabricated hollow pier, a slurry outlet hole is formed in the upper side of the slurry inlet hole, and the slurry inlet hole and the slurry outlet hole are communicated with the connecting cavity.
Through adopting above-mentioned technical scheme, operating personnel pours into the concrete from advancing the grout hole until the concrete spills over from the grout outlet, strengthens being connected between prefabricated hollow pier and the prefabricated cushion cap on the one hand, and on the other hand is favorable to improving the anti-shear property of pouring.
Preferably, a plurality of annular grooves are formed in the bottom end of the prefabricated hollow pier, and the plurality of annular grooves are uniformly formed in the length direction of the prefabricated hollow pier.
Through adopting above-mentioned technical scheme, being provided with of ring channel does benefit to the abundant interlock of prefabricated hollow mound bottom and concrete to guarantee the joint strength of prefabricated hollow mound and prefabricated cushion cap, realize the monolithic of prefabricated hollow mound and prefabricated cushion cap and pour.
Preferably, the prefabricated reinforcement cage with be provided with the reinforcing bar between the prefabricated hollow mound, reinforcing bar one termination with prefabricated hollow mound threaded connection, the reinforcing bar other end with fixed connection between the prefabricated reinforcement cage.
Through adopting above-mentioned technical scheme, the setting of reinforcing bar has further strengthened being connected between prefabricated hollow pier and the concrete.
Preferably, a concrete layer is arranged between the prefabricated hollow pier and the guide column, and the concrete layer is formed by pouring self-compacting concrete.
Through adopting above-mentioned technical scheme, concrete layer's setting is favorable to strengthening being connected between prefabricated hollow mound bottom and the prefabricated cushion cap, improves the anti-shear capacity of prefabricated hollow mound.
In summary, the present application includes at least one of the following beneficial technical effects:
the arrangement of the mounting groove and the bonding layer is beneficial to improving the stability of the prefabricated hollow pier mounted on the prefabricated bearing platform, and the arrangement of the fixing platform enables the bottom of the prefabricated hollow pier and the prefabricated bearing platform to be integrated, so that the splicing strength of the joint of the hollow pier and the bearing platform is improved, and the shear resistance and the seismic resistance of a connecting area are enhanced;
the arrangement of the guide columns can provide a guide effect for the prefabricated hollow pier, so that an operator can conveniently control the positioning of the prefabricated hollow pier to prevent the pier body from overturning during hoisting, and the improvement of the shear-resistant bearing capacity of the bottom of the prefabricated hollow pier is facilitated;
the annular groove is favorable for fully occluding the bottom of the prefabricated hollow pier with concrete, so that the connection strength of the prefabricated hollow pier and the prefabricated bearing platform is ensured, and the integral pouring of the prefabricated hollow pier and the prefabricated bearing platform is realized.
Drawings
Fig. 1 is a schematic structural diagram of a hollow pier and bearing platform splicing structure according to an embodiment of the application.
Fig. 2 is a schematic structural diagram of a prefabricated reinforcement cage according to an embodiment of the present application.
Fig. 3 is a schematic view of the internal structure of the hollow pier and bearing platform splicing structure according to the embodiment of the application.
Description of reference numerals: 1. prefabricating a bearing platform; 11. mounting grooves; 12. fixing grooves; 13. connecting reinforcing steel bars; 14. a guide post; 2. prefabricating a hollow pier; 21. an annular groove; 22. a threaded hole; 23. reinforcing steel bars; 24. reinforcing columns; 25. a connecting cavity; 26. a slurry inlet hole; 27. a slurry outlet; 3. a fixed table; 4. prefabricating a reinforcement cage; 41. a first reinforcing bar; 42. a second reinforcing bar; 43. supporting the reinforcing steel bars; 5. an adhesive layer; 6. and a concrete layer.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses hollow pier and cushion cap mosaic structure. Referring to fig. 1 and 2, the splicing structure of the hollow pier and the bearing platform comprises a prefabricated bearing platform 1, a prefabricated hollow pier 2 and a fixed platform 3. The prefabricated bearing platform 1 is made of reinforced concrete, the prefabricated bearing platform 1 is horizontally arranged, the cross section of the prefabricated bearing platform 1 is circular, and the prefabricated bearing platform 1 is fixed on the ground.
Referring to fig. 2 and 3, an installation groove 11 is formed in the upper surface of the prefabricated bearing platform 1, the installation groove 11 extends annularly around the axis of the prefabricated bearing platform 1, and the installation groove 11 is annular. The fixing groove 12 is formed in the inner bottom face of the mounting groove 11, the opening of the fixing groove 12 is circular, the number of the fixing grooves 12 is four, and the four fixing grooves 12 are evenly arranged around the axis of the prefabricated bearing platform 1. Be provided with prefabricated steel reinforcement cage 4 on prefabricated cushion cap 1, prefabricated steel reinforcement cage 4 comprises first reinforcing bar 41, second reinforcing bar 42 and support reinforcement 43. First reinforcing bar 41 is buckled and is formed steel framework, and first reinforcing bar 41 is vertical to be set up, and in first reinforcing bar 41 was close to the one end extension of prefabricated cushion cap 1 to prefabricated cushion cap 1, first reinforcing bar 41 evenly arranged around the axis of mounting groove 11. The second steel bar 42 is circular, the second steel bar 42 is sleeved on the first steel bar 41, and the second steel bar 42 is fixedly connected with the first steel bar 41. The second reinforcing bars 42 are provided with a plurality of second reinforcing bars 42 which are uniformly arranged in the vertical direction. The support steel bar 43 inclines, and support steel bar 43 one end extends to in prefabricated cushion cap 1, support steel bar 43 other end respectively with first reinforcing bar 41, second reinforcing bar 42 fixed connection.
Referring to fig. 2 and 3, the prefabricated bearing platform 1 is provided with a guide column 14, the axis of the guide column 14 is overlapped with the axis of the prefabricated bearing platform 1, and the bottom surface of the guide column 14 is fixedly connected with the upper surface of the prefabricated bearing platform 1. Prefabricated hollow mound 2 is vertical to be set up, and the cross section of prefabricated hollow mound 2 is ring shape, and guide post 14 sets up in prefabricated hollow mound 2, prefabricated hollow mound 2 and the cooperation of pegging graft of guide post 14. The circumferential surface of the bottom end of the prefabricated hollow pier 2 is provided with a plurality of annular grooves 21, the annular grooves 21 are annularly arranged around the axis of the prefabricated hollow pier 2, and the plurality of annular grooves 21 are uniformly arranged along the length direction of the prefabricated hollow pier 2. Threaded holes 22 are formed in the inner side face of the annular groove 21, openings of the threaded holes 22 are circular, threads are provided with a plurality of threaded holes, and the plurality of threaded holes 22 are uniformly arranged around the axis of the prefabricated hollow pier 2 in an annular mode. Be provided with between prefabricated hollow mound 2 and the prefabricated reinforcement cage 4 and be connected reinforcing bar 23, reinforcing bar 23 is the twisted steel, and 23 one ends of reinforcing bar and 22 screw-thread fit of screw hole, the reinforcing bar 23 other end and the welding of prefabricated reinforcement cage 4.
Referring to fig. 2 and 3, the prefabricated hollow pier 2 is in plug fit with the installation groove 11, the bonding layer 5 is arranged between the prefabricated hollow pier 2 and the inner bottom surface of the installation groove 11, and the bonding layer 5 is formed by laying bonding mortar. The bottom surface of the prefabricated hollow pier 2 is provided with a reinforcing column 24, the reinforcing column 24 is vertically arranged, the upper surface of the reinforcing column 24 is fixedly connected with the bottom surface of the prefabricated hollow pier 2, and the reinforcing column 24 is in splicing fit with the fixing groove 12. A connecting cavity 25 is provided in the reinforcing column 24, the connecting cavity 25 having a circular cross section, the connecting cavity 25 extending into the prefabricated hollow pier 2. The bottom surface is provided with connecting reinforcement 13 in the fixed slot 12, and connecting reinforcement 13 is vertical to be set up, and connecting reinforcement 12 one end extends to in prefabricated cushion cap 1, and the connecting reinforcement 12 other end is pegged graft with connection cavity 25 and is cooperated. The outer side wall of the prefabricated hollow pier 2 is provided with a pulp inlet hole 26 and a pulp outlet hole 27, the opening of the pulp inlet hole 26 is circular, the opening of the pulp outlet hole 27 is circular, the pulp outlet hole 27 is positioned right above the pulp inlet hole 26, and the pulp inlet hole 26 and the pulp outlet hole 27 are both communicated with the connecting cavity 25.
Referring to fig. 2 and 3, the fixed platform 3 is arranged on the upper surface of the prefabricated bearing platform 1, the bottom surface of the fixed platform 3 is fixedly connected with the upper surface of the prefabricated bearing platform 1, the fixed platform 3 is formed by pouring concrete, the cross section of the fixed platform 3 is circular, the prefabricated reinforcement cage 4 and the reinforcing steel bars 23 are arranged in the fixed platform 3, and the fixed platform 3 is attached to the outer side surface of the prefabricated hollow pier 2. The setting of ring channel 21 makes 2 pier bottoms of prefabricated hollow mounds fully interlock with the concrete to guarantee the joint strength of prefabricated hollow mound 2 and prefabricated cushion cap 1, realize prefabricated hollow mound 2 and the monolithic concreting of prefabricated cushion cap 1. A concrete layer 6 is arranged between the guide column 14 and the prefabricated hollow pier 2, the concrete layer 6 is formed by pouring self-compacting concrete, the inner side surface of the concrete layer 6 is fixedly bonded with the circumferential surface of the guide column 14, and the outer side surface of the concrete layer 6 is fixedly bonded with the inner side wall of the prefabricated hollow pier 2.
The implementation principle of the hollow pier and bearing platform splicing structure provided by the embodiment of the application is as follows: an operator hoists the prefabricated hollow pier 2 to the position above the prefabricated bearing platform 1, so that the prefabricated hollow pier 2 is aligned to the guide post 14, when the guide post 14 partially enters the prefabricated hollow pier 2, the operator readjusts the angle of the prefabricated hollow pier 2, so that the reinforcing post 24 is aligned to the fixing groove 12, and the operator slowly puts down the prefabricated hollow pier 2. At this time, the connecting reinforcing steel bars 13 are in inserted fit with the connecting cavity 25, and the operator pours the concrete into the connecting cavity 25 from the grout inlet hole 26 until the concrete overflows from the grout outlet hole 27. And then an operator forms an outer supporting template of the prefabricated reinforcement cage 4, concretes between the prefabricated reinforcement cage 4 and the prefabricated hollow pier 2 to form a fixed platform 3, and concretes between the guide column 14 and the prefabricated hollow pier 2 to form a concrete layer 6. The setting of guide post 14, prefabricated steel reinforcement cage 4 is favorable to providing the guide effect for prefabricated hollow mound 2, emptys when preventing prefabricated hollow mound 2 hoist and mount. Reinforcing column 24, connecting reinforcement 13 set up and be favorable to improving the joint strength between prefabricated hollow mound 2 and the prefabricated cushion cap 1, it is favorable to improving the connection between prefabricated hollow mound 2 and the prefabricated reinforcement cage 4 to set up reinforcing reinforcement 23 at prefabricated reinforcement cage 4 and prefabricated hollow mound 2 support, the setting up of fixed station 3 makes 2 mounds bottoms of prefabricated hollow mounds become whole with prefabricated cushion cap 1, thereby guarantee prefabricated hollow mound 2 and prefabricated cushion cap 1's joint strength, reinforcing connection area's anti-shear performance and anti-seismic performance.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a hollow mound and cushion cap mosaic structure, includes prefabricated cushion cap (1) and prefabricated hollow mound (2), its characterized in that: mounting groove (11) have been seted up on prefabricated cushion cap (1), mounting groove (11) with the cooperation of pegging graft of prefabricated hollow mound (2), the interior bottom surface of mounting groove (11) with be provided with adhesive linkage (5) between prefabricated hollow mound (2), be provided with prefabricated steel reinforcement cage (4) on prefabricated cushion cap (1), prefabricated hollow mound (2) set up in prefabricated steel reinforcement cage (4), prefabricated steel reinforcement cage (4) with be provided with fixed station (3) that concrete placement formed between prefabricated hollow mound (2), prefabricated steel reinforcement cage (4) set up in fixed station (3).
2. The hollow pier and bearing platform splicing structure of claim 1, wherein: the prefabricated pile cap is characterized in that a guide column (14) is vertically arranged on the prefabricated pile cap (1), the diameter of the guide column (14) is smaller than the inner diameter of the prefabricated hollow pier (2), and the guide column (14) is in plug-in fit with the prefabricated hollow pier (2).
3. The hollow pier and bearing platform splicing structure of claim 1, wherein: the inner bottom surface of the mounting groove (11) is provided with a fixing groove (12), the prefabricated hollow pier (2) is provided with a reinforcing column (24), and the reinforcing column (24) is in splicing fit with the fixing groove (12).
4. The hollow pier and bearing platform splicing structure of claim 3, wherein: connecting steel bars (13) are embedded in the inner bottom surfaces of the fixing grooves (12), connecting cavities (25) are formed in the reinforcing columns (24), and the connecting steel bars (13) are in plug-in fit with the connecting cavities (25).
5. The hollow pier and bearing platform splicing structure of claim 4, wherein: the connecting cavity (25) extends to the prefabricated hollow pier (2), a slurry inlet hole (26) is formed in the prefabricated hollow pier (2), a slurry outlet hole (27) is formed in the upper side of the slurry inlet hole (26), and the slurry inlet hole (26) and the slurry outlet hole (27) are communicated with the connecting cavity (25).
6. The hollow pier and bearing platform splicing structure of claim 1, wherein: a plurality of ring channels (21) have been seted up to prefabricated hollow mound (2) bottom, and is a plurality of ring channel (21) are followed the length direction of prefabricated hollow mound (2) evenly sets up.
7. The hollow pier and bearing platform splicing structure of claim 1, wherein: prefabricated steel reinforcement cage (4) with be provided with reinforcing bar (23) between prefabricated hollow mound (2), reinforcing bar (23) termination with prefabricated hollow mound (2) threaded connection, reinforcing bar (23) other end with fixed connection between prefabricated steel reinforcement cage (4).
8. The hollow pier and bearing platform splicing structure of claim 2, wherein: and a concrete layer (6) is arranged between the prefabricated hollow pier (2) and the guide column (14), and the concrete layer (6) is formed by pouring self-compacting concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120161161.4U CN214783224U (en) | 2021-01-21 | 2021-01-21 | Hollow pier and cushion cap mosaic structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120161161.4U CN214783224U (en) | 2021-01-21 | 2021-01-21 | Hollow pier and cushion cap mosaic structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214783224U true CN214783224U (en) | 2021-11-19 |
Family
ID=78748767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120161161.4U Expired - Fee Related CN214783224U (en) | 2021-01-21 | 2021-01-21 | Hollow pier and cushion cap mosaic structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214783224U (en) |
-
2021
- 2021-01-21 CN CN202120161161.4U patent/CN214783224U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211119 |