CN214459575U - Pier stud structure - Google Patents
Pier stud structure Download PDFInfo
- Publication number
- CN214459575U CN214459575U CN202023118072.6U CN202023118072U CN214459575U CN 214459575 U CN214459575 U CN 214459575U CN 202023118072 U CN202023118072 U CN 202023118072U CN 214459575 U CN214459575 U CN 214459575U
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- Prior art keywords
- corrugated pipe
- corrugated
- shell
- holes
- bolt
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- Expired - Fee Related
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 51
- 239000010959 steel Substances 0.000 claims abstract description 51
- 239000011374 ultra-high-performance concrete Substances 0.000 claims abstract description 11
- 238000009415 formwork Methods 0.000 claims description 10
- 239000004570 mortar (masonry) Substances 0.000 claims description 6
- 239000004567 concrete Substances 0.000 abstract description 9
- 238000010276 construction Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000003014 reinforcing effect Effects 0.000 description 5
- 238000009417 prefabrication Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004574 high-performance concrete Substances 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of bridge engineering, in particular to a pier stud structure, which comprises a prefabricated template, wherein the prefabricated template comprises a shell, a corrugated pipe, a plurality of stirrups and a plurality of short steel bars; the shell is a hollow cylinder and is made of ultra-high performance concrete; the corrugated pipe is fixed on the inner side of the shell, the corrugated pipe is a hollow round pipe with openings at two ends, and the hollow round pipe is formed by alternately arranging a plurality of wave crests and a plurality of wave troughs in the circumferential direction and is made of steel; the stirrups are sequentially arranged at intervals along the length direction of the corrugated pipe and are arranged in an inner cavity defined by the shell of the shell in an embedded mode; each stirrup is provided with a plurality of short steel bars, and one end of each short steel bar is connected with the stirrup and the other end of each short steel bar is welded on the surface of the corrugated pipe. The utility model discloses effectively improve the connectivity between prefabricated template and the core concrete, stabilize the bearing capacity of pier and keep the life of pier.
Description
Technical Field
The utility model relates to a bridge engineering technical field, in particular to pier stud structure.
Background
With the rapid development of infrastructure construction in China, high expectations are also placed on bridge design and construction, such as lighter structure, good durability, less later maintenance and the like. With the rise of Ultra-high performance concrete (hereinafter referred to as UHPC), the bridge has been improved better in terms of structural design, construction manner, and the like. The UHPC is made into an outer die of the pier and is not dismantled to form a permanent template to play a role of a steel template, the UHPC outer die has the characteristics of high strength, good durability and strong corrosion resistance, but the contact surface between the core concrete and the UHPC outer die is easy to disengage, so that the bearing capacity of the pier is continuously reduced, and the service life of the pier is influenced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problems that: the pier column structure is strong in connection of the contact surface of the core concrete and the prefabricated formwork and easy to splice.
In order to solve the technical problem, the utility model discloses a technical scheme be: a pier column structure comprises a prefabricated template, wherein the prefabricated template comprises a shell, a corrugated pipe, a plurality of stirrups and a plurality of short steel bars;
the shell is a hollow cylinder and is made of ultra-high performance concrete;
the corrugated pipe is fixed on the inner side of the shell, the corrugated pipe is a hollow round pipe with openings at two ends, and the hollow round pipe is formed by alternately arranging a plurality of wave crests and a plurality of wave troughs in the circumferential direction and is made of steel;
the stirrups are sequentially arranged at intervals along the length direction of the corrugated pipe and are arranged in an inner cavity defined by the shell of the shell in an embedded mode;
each stirrup is provided with a plurality of short steel bars, and one end of each short steel bar is connected with the stirrup and the other end of each short steel bar is welded on the surface of the corrugated pipe.
The corrugated pipe comprises a corrugated pipe body and is characterized by further comprising a plurality of connecting pieces, wherein the wave crests of each corrugated pipe body are provided with the connecting pieces, the connecting pieces are sequentially arranged on the wave crests at intervals along the length direction of the corrugated pipe body, and the connecting pieces are used for keeping the corrugated shape of the corrugated pipe body.
The connecting pieces comprise nuts and bolts;
a plurality of bolt holes are sequentially arranged on each wave crest of the corrugated pipe at intervals along the length direction of the corrugated pipe;
a nut is arranged in each bolt hole;
each nut is internally provided with a bolt, one part of the bolt is arranged on the inner side of the corrugated pipe, and the other part of the bolt extends into the shell.
The prefabricated formwork is vertically stacked and installed on the prefabricated bearing platform, and a plurality of corrugated holes and a plurality of connecting holes are concentrically arranged on the upper surface of the prefabricated bearing platform;
the plurality of corrugated holes are formed in the outer sides of the plurality of connecting holes.
The corrugated pipe is characterized by further comprising a plurality of fixing pieces, wherein the fixing pieces are arranged on the corrugated holes and the connecting holes, and the fixing pieces are arranged at the lower ends of the corrugated pipes.
Each fixing piece comprises a connecting block, a bolt bar and a thick steel bar;
the number of the connecting blocks and the number of the bolt bars are consistent with the number of the connecting holes, and the number of the thick steel bars is consistent with the number of the corrugated holes;
the connecting block is arranged on the inner side of the corrugated pipe, and one side face of the connecting block is welded with the corrugated pipe;
the upper surface of the connecting block is vertically provided with a through hole;
the bolt rod is arranged in the through hole and is in threaded connection with the through hole, and the lower end of the bolt rod is in threaded connection with the connecting hole;
one part of the thick steel bar is arranged between the corrugated pipe and the shell, and the other part of the thick steel bar is in clearance fit with the corrugated hole.
The reinforcing steel bar corrugated plate is characterized by further comprising a fixing layer, wherein the fixing layer is arranged between the thick reinforcing steel bars and the corrugated holes, and the fixing layer is made of ultrahigh-performance mortar.
The beneficial effects of the utility model reside in that:
(1) the corrugated steel pipe is used as the inner side wall of the shell, plays the role of a steel bar and is not required to be detached, so that the roughness of the inner side wall of the shell is further enhanced, the ultimate bearing capacity of the shell is improved, and the integrity is stronger;
(2) the prefabricated template in the technical scheme is light in whole and easy to hoist and splice;
(3) the technical scheme is convenient for construction and has higher safety.
Drawings
Fig. 1 is a schematic structural view of a pier stud according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;
fig. 4 is a schematic connection diagram of the bolt, the bellows and the housing according to the embodiment of the present invention.
Description of reference numerals: 1. hooping; 2. a bellows; 3. a bolt; 4. a housing; 5. core concrete; 6. connecting blocks; 7. a bolt bar; 8. coarse steel bars; 9. a fixed layer; 10. prefabricating a bearing platform; 11. connecting holes; 12. and (4) corrugated holes.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The utility model discloses the most crucial design lies in: the corrugated pipe is arranged on the inner side wall of the shell to increase the roughness of the inner side wall of the shell, and then the connectivity between the prefabricated formwork and the core concrete is improved.
Referring to fig. 1 to 4, the present invention relates to a pier stud structure, which comprises a prefabricated form, wherein the prefabricated form comprises a shell 4, a corrugated pipe 2, a plurality of stirrups 1 and a plurality of short steel bars; the shell 4 is a hollow cylinder, and the shell 4 is made of ultra-high performance concrete; the corrugated pipe 2 is fixed on the inner side of the shell 4, the corrugated pipe 2 is a hollow circular pipe with two open ends, and the hollow circular pipe is formed by alternately arranging a plurality of wave crests and a plurality of wave troughs in the circumferential direction, and the corrugated pipe 2 is made of steel; the stirrups 1 are sequentially arranged at intervals along the length direction of the corrugated pipe 2 and are arranged in an inner cavity surrounded by the shell of the shell 4; every all be provided with the short reinforcement of a plurality of on the stirrup 1, a plurality of the one end of short reinforcement is all connected stirrup 1, the other end all weld on 2 surfaces of bellows.
Specifically, the utility model discloses a theory of operation does: in the prefabricating process of the prefabricated formwork, firstly, a plurality of stirrups 1 are sequentially arranged at intervals on the outer side of a corrugated pipe 2 along the length direction of the corrugated pipe 2, the stirrups 1 and the corrugated pipe 2 are respectively welded at two ends of the plurality of short steel bars in the length direction to position the stirrups 1, and then ultrahigh-performance concrete is poured outside the corrugated pipe 2 to form a shell 4 of the prefabricated formwork; in the on-site assembling process, when the prefabricated templates are assembled, core concrete 5 is poured into the corrugated pipes 2 of the prefabricated templates, and the pier column is cast in place.
From the above description, the beneficial effects of the present invention are: the inner side wall of the prefabricated template is arranged to be the corrugated pipe 2 so as to increase the roughness of the inner side wall of the prefabricated template and improve the connectivity between the prefabricated template and the core concrete 5; the corrugated pipe 2 is made of steel and can replace longitudinal bars, and meanwhile, the stirrup 1 is connected with the short steel bars so as to improve the ultimate bearing capacity and integrity of the prefabricated formwork; the material of casing 4 is high performance concrete, and its weight of comparing in traditional prefabricated template is lighter, and the concatenation of easily hoisting is convenient for the construction, effectively improves the cast-in-place efficiency of construction and the construction security of pier stud.
Furthermore, the corrugated pipe structure further comprises a plurality of connecting pieces, wherein a plurality of connecting pieces are arranged on each wave crest of the corrugated pipe 2, the connecting pieces are sequentially arranged on the wave crests at intervals along the length direction of the corrugated pipe 2, and the connecting pieces are used for keeping the corrugated shape of the corrugated pipe 2.
Furthermore, a plurality of the connecting pieces comprise nuts and bolts 3; a plurality of bolt 3 holes are sequentially arranged on each wave crest of the corrugated pipe 2 at intervals along the length direction of the corrugated pipe 2; a nut is arranged in each bolt 3 hole; each nut is provided with a bolt 3, one part of the bolt 3 is arranged on the inner side of the corrugated pipe 2, and the other part of the bolt 3 extends into the shell 4.
As is apparent from the above description, a user first winds a corrugated steel plate into a corrugated pipe 2 by sequentially arranging a plurality of bolts 3 at intervals in a longitudinal direction of the corrugated steel plate in a prefabrication field and fixes a corrugated shape of the corrugated pipe 2 by the plurality of bolts 3, and increases roughness of the inner and outer sides of the corrugated pipe 2 by the plurality of bolts 3 to improve connection between the corrugated pipe 2 and a shell 4 and between the corrugated pipe 2 and core concrete 5.
Further, the prefabricated structure comprises a prefabricated bearing platform 10, the prefabricated formworks are vertically stacked and installed on the prefabricated bearing platform 10, and a plurality of corrugated holes 12 and a plurality of connecting holes 11 are concentrically arranged on the upper surface of the prefabricated bearing platform 10; the plurality of corrugated holes 12 are disposed outside the plurality of connection holes 11.
As can be seen from the above description, in the prefabrication process of the prefabricated bearing platform 10, the corrugated holes 12 and the connecting holes 11 are pre-positioned, then the steel bars are bound, and finally the concrete is poured to realize the prefabrication process of the prefabricated bearing platform 10.
Further, still include a plurality of mounting, every ripple hole 12 and every all be provided with the mounting on connecting hole 11, a plurality of the mounting all sets up in the lower extreme of bellows 2.
Further, each of the fixing members includes a connecting block 6, a bolt bar 7 and a thick steel bar 8; the number of the connecting blocks 6 and the number of the bolt bars 7 are consistent with that of the connecting holes 11, and the number of the thick steel bars 8 is consistent with that of the corrugated holes 12; the connecting block 6 is arranged on the inner side of the corrugated pipe 2, and one side face of the connecting block 6 is welded with the corrugated pipe 2; the upper surface of the connecting block 6 is vertically provided with a through hole; the bolt rod 7 is arranged in the through hole and is in threaded connection with the through hole, and the lower end of the bolt rod 7 is in threaded connection with the connecting hole 11; one part of the thick steel bar 8 is arranged between the corrugated pipe 2 and the shell 4, and the other part of the thick steel bar is in clearance fit with the corrugated hole 12.
As can be seen from the above description, in the prefabrication process of the prefabricated formwork, it is also necessary to weld a plurality of connecting blocks 6 and thick steel bars 8 at the lower ends thereof according to the positions of the connecting holes 11 and the corrugated holes 12, respectively, and to align the through holes of the connecting blocks 6 with the connecting holes 11; in the assembling process of the prefabricated template, firstly, the thick steel bars 8 are aligned with the corrugated holes 12 and extend into the corrugated holes 12, and then the bolt rods 7 sequentially penetrate through the through holes and the connecting holes 11 and are screwed with the connecting holes 11 to complete the pre-connection of the prefabricated template and the bearing platform 10.
Further, still include fixed layer 9, fixed layer 9 set up in thick reinforcing bar 8 with between ripple hole 12, the material of fixed layer 9 is ultrahigh performance mortar.
As can be seen from the above description, before the reinforcing bars 8 are connected to the corrugated holes 12, the ultra-high performance mortar is poured into the corrugated holes 12, and then the reinforcing bars 8 are connected to the corrugated holes 12, and after the ultra-high performance mortar is solidified, the fixing layer 9 is formed between the corrugated holes 12 and the reinforcing bars 8 to reinforce the connection between the prefabricated form and the prefabricated pile cap 10.
Referring to fig. 1 to 4, a first embodiment of the present invention is:
a pier column structure comprises a prefabricated template, wherein the prefabricated template comprises a shell 4, a corrugated pipe 2, a plurality of stirrups 1 and a plurality of short steel bars;
the shell 4 is a hollow cylinder, and the shell 4 is made of ultra-high performance concrete;
the corrugated pipe 2 is fixed on the inner side of the shell 4, the corrugated pipe 2 is a hollow circular pipe with two open ends, and the hollow circular pipe is formed by alternately arranging a plurality of wave crests and a plurality of wave troughs in the circumferential direction, and the corrugated pipe 2 is made of steel;
the stirrups 1 are sequentially arranged at intervals along the length direction of the corrugated pipe 2 and are arranged in an inner cavity surrounded by the shell of the shell 4;
each stirrup 1 is provided with a plurality of short steel bars, one end of each short steel bar is connected with the stirrup 1, and the other end of each short steel bar is welded on the surface of the corrugated pipe 2;
the corrugated pipe is characterized by further comprising a plurality of connecting pieces, wherein a plurality of connecting pieces are arranged on each wave crest of the corrugated pipe 2, the connecting pieces are sequentially arranged on the wave crests at intervals along the length direction of the corrugated pipe 2, and the connecting pieces are used for keeping the corrugated shape of the corrugated pipe 2;
the plurality of connecting pieces comprise nuts and bolts 3;
a plurality of bolt 3 holes are sequentially arranged on each wave crest of the corrugated pipe 2 at intervals along the length direction of the corrugated pipe 2;
a nut is arranged in each bolt 3 hole;
a bolt 3 is arranged in each nut, one part of the bolt 3 is arranged on the inner side of the corrugated pipe 2, and the other part of the bolt 3 extends into the shell 4;
the prefabricated formwork is vertically stacked and installed on the prefabricated bearing platform 10, and a plurality of corrugated holes 12 and a plurality of connecting holes 11 are concentrically arranged on the upper surface of the prefabricated bearing platform 10;
the plurality of corrugated holes 12 are arranged on the outer sides of the plurality of connecting holes 11;
the corrugated pipe is characterized by further comprising a plurality of fixing pieces, wherein the fixing pieces are arranged on the corrugated holes 12 and the connecting holes 11 respectively, and are arranged at the lower end of the corrugated pipe 2;
each fixing piece comprises a connecting block 6, a bolt rod 7 and a thick steel bar 8;
the number of the connecting blocks 6 and the number of the bolt bars 7 are consistent with that of the connecting holes 11, and the number of the thick steel bars 8 is consistent with that of the corrugated holes 12;
the connecting block 6 is arranged on the inner side of the corrugated pipe 2, and one side face of the connecting block 6 is welded with the corrugated pipe 2;
the upper surface of the connecting block 6 is vertically provided with a through hole;
the bolt rod 7 is arranged in the through hole and is in threaded connection with the through hole, and the lower end of the bolt rod 7 is in threaded connection with the connecting hole 11;
one part of the thick steel bar 8 is arranged between the corrugated pipe 2 and the shell 4, and the other part of the thick steel bar is in clearance fit with the corrugated hole 12;
still include fixed layer 9, fixed layer 9 set up in thick reinforcing bar 8 with between the ripple hole 12, the material of fixed layer 9 is ultrahigh performance mortar.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (7)
1. The pier column structure is characterized by comprising a prefabricated template, wherein the prefabricated template comprises a shell, a corrugated pipe, a plurality of stirrups and a plurality of short steel bars;
the shell is a hollow cylinder and is made of ultra-high performance concrete;
the corrugated pipe is fixed on the inner side of the shell, the corrugated pipe is a hollow round pipe with openings at two ends, and the hollow round pipe is formed by alternately arranging a plurality of wave crests and a plurality of wave troughs in the circumferential direction and is made of steel;
the stirrups are sequentially arranged at intervals along the length direction of the corrugated pipe and are arranged in an inner cavity defined by the shell of the shell in an embedded mode;
each stirrup is provided with a plurality of short steel bars, and one end of each short steel bar is connected with the stirrup and the other end of each short steel bar is welded on the surface of the corrugated pipe.
2. The pier column structure of claim 1, further comprising a plurality of connecting members, wherein a plurality of connecting members are arranged on each wave crest of the corrugated pipe, the plurality of connecting members are sequentially arranged on the wave crests at intervals along the length direction of the corrugated pipe, and the connecting members are used for maintaining the corrugated shape of the corrugated pipe.
3. The pier stud structure of claim 2, wherein a plurality of the connectors comprise nuts and bolts;
a plurality of bolt holes are sequentially arranged on each wave crest of the corrugated pipe at intervals along the length direction of the corrugated pipe;
a nut is arranged in each bolt hole;
each nut is internally provided with a bolt, one part of the bolt is arranged on the inner side of the corrugated pipe, and the other part of the bolt extends into the shell.
4. The pier column structure of claim 1, further comprising a prefabricated bearing platform, wherein the prefabricated formworks are vertically stacked and installed on the prefabricated bearing platform, and a plurality of corrugated holes and a plurality of connecting holes are concentrically arranged on the upper surface of the prefabricated bearing platform;
the plurality of corrugated holes are formed in the outer sides of the plurality of connecting holes.
5. The pier stud structure of claim 4, further comprising a plurality of fixing members, wherein each of the corrugated holes and each of the connecting holes are provided with a fixing member, and the plurality of fixing members are provided at the lower end of the corrugated pipe.
6. The pier stud structure of claim 5, wherein the fixing members of each comprise a connecting block, a bolt bar and a thick steel bar;
the number of the connecting blocks and the number of the bolt bars are consistent with the number of the connecting holes, and the number of the thick steel bars is consistent with the number of the corrugated holes;
the connecting block is arranged on the inner side of the corrugated pipe, and one side face of the connecting block is welded with the corrugated pipe;
the upper surface of the connecting block is vertically provided with a through hole;
the bolt rod is arranged in the through hole and is in threaded connection with the through hole, and the lower end of the bolt rod is in threaded connection with the connecting hole;
one part of the thick steel bar is arranged between the corrugated pipe and the shell, and the other part of the thick steel bar is in clearance fit with the corrugated hole.
7. The pier column structure of claim 6, further comprising a fixing layer, wherein the fixing layer is arranged between the thick steel bars and the corrugated holes, and the fixing layer is made of ultra-high performance mortar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023118072.6U CN214459575U (en) | 2020-12-22 | 2020-12-22 | Pier stud structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023118072.6U CN214459575U (en) | 2020-12-22 | 2020-12-22 | Pier stud structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214459575U true CN214459575U (en) | 2021-10-22 |
Family
ID=78191925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023118072.6U Expired - Fee Related CN214459575U (en) | 2020-12-22 | 2020-12-22 | Pier stud structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214459575U (en) |
-
2020
- 2020-12-22 CN CN202023118072.6U patent/CN214459575U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20211022 |