CN216615469U - Structure is prevented subsiding by bridgehead - Google Patents
Structure is prevented subsiding by bridgehead Download PDFInfo
- Publication number
- CN216615469U CN216615469U CN202123111934.7U CN202123111934U CN216615469U CN 216615469 U CN216615469 U CN 216615469U CN 202123111934 U CN202123111934 U CN 202123111934U CN 216615469 U CN216615469 U CN 216615469U
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- Prior art keywords
- bridgehead
- attachment strap
- strap
- fixed
- pier
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- Expired - Fee Related
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- 230000008093 supporting effect Effects 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 238000011065 in-situ storage Methods 0.000 abstract description 2
- 230000008439 repair process Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000007569 slipcasting Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a bridgehead anti-settling structure, and belongs to the technical field of anti-settling structures. It includes pier and roadbed, one side overlap joint that the pier deviates from roadbed mutually has the abutment, the opposite side overlap joint of pier has the bridgehead attachment strap, the other end of bridgehead attachment strap stretches into to the roadbed in situ, both sides all are fixed with the support column around the abutment top, and one side of support column bridgehead attachment strap is equipped with a plurality of wire rope in opposite directions, every wire rope's both ends are all fixed with bridgehead attachment strap and support column respectively through the mounting, the opening has been seted up at the top of bridgehead attachment strap, and be equipped with closed assembly in the opening. The utility model can provide supporting force for the upper side and the lower side of the bridge end butt strap, thereby ensuring the use stability of the bridge end butt strap, preventing the road surface from driving the bridge end butt strap to settle simultaneously, and facilitating the repair work after the road surface settles.
Description
Technical Field
The utility model relates to a bridgehead anti-settling structure, and belongs to the technical field of anti-settling structures.
Background
In the highway bridge construction, because the pile foundation of bridge has firm basis, and the bridge both ends often only have the ground except that the upper strata is sand stone cement mixture, and the ground is the native soil bed for the settlement of pier intermediate position gets less than the settlement at bridge both ends, so, often can appear the phenomenon that the settlement fall appears in bridge mesa both ends and the region that links up mutually.
At present, the transition section of a road bridge generally adopts a relatively large number of butt strap structures to reasonably treat soft soil foundations and implement filling compaction behind a platform to eliminate embankment filling soil body settlement, and the butt strap structure in the prior art only supports the butt strap at the bottom of the foundation in the using process, so that after long-time use, the foundation can be settled, and then the butt strap can be driven to settle simultaneously to influence the running of subsequent vehicles.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the utility model provides a structure is prevented subsiding by bridgehead, it has been solved the attachment strap structure among the prior art and has only the bottom of ground in the use and support the attachment strap, and after long-time the use, the problem that the ground can take place to subside equally, and then can drive the attachment strap and subside simultaneously, influences the problem that follow-up vehicle went.
The technical problem to be solved by the utility model is realized by adopting the following technical scheme:
the utility model provides a structure is prevented subsiding by bridgehead, includes pier and roadbed, one side overlap joint that the pier deviates from roadbed mutually has the abutment, the opposite side overlap joint of pier has the bridgehead attachment strap, the other end of bridgehead attachment strap stretches into to the roadbed in situ, both sides all are fixed with the support column around the abutment top, just one side that the support column was in opposite directions the bridgehead attachment strap is equipped with a plurality of wire rope, every wire rope's both ends all are fixed with bridgehead attachment strap and support column respectively through the mounting, the opening has been seted up at the top of bridgehead attachment strap, and is equipped with closed assembly in the opening.
Preferably, the closing component includes screw thread piece and apron, the screw thread piece is located the opening, just screw thread piece and opening threaded connection, the top of screw thread piece has still been seted up and has been twisted the groove, the apron is located the top of screw thread piece, just one end movable sleeve of apron is equipped with the fixed axle, the both ends of fixed axle are all fixed with the screw thread piece.
Preferably, the bottom that the bridgehead attachment strap is close to pier one end is fixed to be inlayed and is equipped with a plurality of reinforcing bar heads, and is a plurality of the other end of reinforcing bar head is inlayed and is located in the pier.
Preferably, the roadbed layer below the bridge head butt strap is provided with a plurality of grouting grooves, and concrete is poured into each grouting groove.
Preferably, a reinforcing rib is arranged in each grouting groove.
Preferably, pavement layers are paved on the tops of the abutment and the bridge head butt strap.
Preferably, one end of the cover plate, which is far away from the fixed shaft, is fixed with a rubber gasket, and the rubber gasket is abutted against the thread block.
Preferably, three steel wire ropes are arranged on one side of each supporting column.
Compared with the prior art, the utility model provides a bridge head anti-settlement structure, which has the following beneficial effects:
1. this structure is prevented subsiding by bridgehead through abutment, support column, wire rope and the mounting that is equipped with, can all provide the holding power for both sides about the bridgehead attachment strap to guarantee the stability that the bridgehead attachment strap used, prevent that the roadbed face from driving the bridgehead attachment strap and subsiding simultaneously.
2. This structure is prevented subsiding by bridgehead through opening and the closure assembly that is equipped with, can be convenient for carry out the slip casting to bridgehead attachment strap below, the restoration work after the roadbed face subsides of being convenient for.
The parts which are not involved in the device are the same as or can be realized by adopting the prior art, and the device can provide supporting force for the upper side and the lower side of the bridge head butt strap, thereby ensuring the use stability of the bridge head butt strap, preventing the road surface from driving the bridge head butt strap to simultaneously settle, and facilitating the repair work after the road surface settles.
Drawings
FIG. 1 is a schematic structural diagram of a bridgehead anti-settling structure provided by the utility model;
fig. 2 is an enlarged view of a portion a of fig. 1.
In the figure: 1 pier, 2 roadbed layers, 3 abutment, 4 bridge head butt strap, 5 support columns, 6 steel wire ropes, 7 fixing parts, 8 thread blocks, 9 cover plates, 10 screwing grooves, 11 fixing shafts, 12 steel bar heads, 13 concrete, 14 reinforcing bars, 15 pavement layers and 16 rubber gaskets.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purpose and the efficacy of the utility model easy to understand, the utility model is further described with reference to the specific drawings.
As shown in fig. 1, a bridge head anti-settling structure comprises a bridge pier 1 and a roadbed layer 2, wherein one side of the bridge pier 1 opposite to the roadbed layer 2 is lapped with a bridge abutment 3, the tops of the bridge abutment 3 and the bridge head butt strap 4 are both paved with a pavement layer 15 for facilitating the walking of vehicles and pedestrians, the other side of the bridge pier 1 is lapped with a bridge head butt strap 4, the other end of the bridge head butt strap 4 extends into the roadbed layer 2, the bottom of the bridge head butt strap 4 close to one end of the bridge pier 1 is fixedly embedded with a plurality of steel bar heads 12, the other ends of the plurality of steel bar heads 12 are embedded in the bridge pier 1, the position of one end of the bridge head butt strap 4 is limited to prevent the deviation, support columns 5 are fixed on the front and back sides of the top of the bridge abutment 3, one side of each support column 5 opposite to the bridge head butt strap 4 is provided with a plurality of steel wire ropes 6, three steel wire ropes 6 are arranged on one side of each support column 5, two ends of each steel wire rope 6 are respectively fixed with the bridge head butt strap 4 and the support columns 5 through fixing parts 7, the fixing part 7 is embedded in the support column 5 and the bridge head butt strap 4 in the prefabricating process and is fixed with the steel wire rope 6 in a welding mode, the top of the bridge head butt strap 4 is provided with an opening penetrating through the bridge head butt strap 4, and a closing assembly is arranged in the opening.
As shown in fig. 2, the closing assembly includes thread block 8 and apron 9, thread block 8 is located the opening, and thread block 8 and opening threaded connection, the top of thread block 8 has still been seted up and has been twisted groove 10, apron 9 is located the top of thread block 8, the top of apron 9 is just level with pavement layer 15 mutually, the one end movable sleeve of apron 9 is equipped with fixed axle 11, the both ends of fixed axle 11 are all fixed with thread block 8, the apron 9 is kept away from the one end of fixed axle 11 and is fixed with rubber gasket 16, and rubber gasket 16 offsets with thread block 8, guarantee the stability after the apron 9 is closed.
As shown in fig. 1, the roadbed layer 2 below the bridge head butt strap 4 is provided with a plurality of grouting grooves, concrete 13 is poured into each grouting groove, and after the concrete 13 is fastened, reinforcing ribs 14 are arranged in each grouting groove to improve the supporting effect of the roadbed layer 2 on the bridge head butt strap 4, so that the supporting strength of the solidified concrete 13 is improved.
The working principle is as follows: when in use, the lower part of the bridge head butt strap 4 can be supported by the road base layer 2, and then the steel wire rope 6 and the fixing piece 7 can be fixedly connected with the bridge head butt strap 4 and the supporting column 5, thereby providing upward pulling force for the bridge head butt strap 4, further ensuring the stability of the bridge head access plate 4 in the using process, preventing the subgrade surface 2 from subsiding and driving the bridge head access plate 4 to subside together, inserting a tool into the screwing groove 10 of the thread block 8 through the arranged thread block 8 and rotating the tool to enable the thread block 8 to rotate, and then can make it break away from each other with the opening, the external equipment of being convenient for carries out the slip casting to abutment end attachment strap 4 below, guarantees the roadbed 2 and to abutment end attachment strap 4's supporting effect, and apron 9 and fixed axle 11 that the rethread was equipped with can be closed the top of screw thread piece 8, prevent that outside foreign matter from getting into to twisting in the groove 10.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a structure is prevented subsiding by bridgehead, includes pier (1) and roadbed layer (2), its characterized in that: bridge pier (1) is from one side overlap joint of road bed (2) mutually has abutment (3), the opposite side overlap joint of bridge pier (1) has bridgehead attachment strap (4), the other end of bridgehead attachment strap (4) stretches into in road bed (2), both sides all are fixed with support column (5) around abutment (3) top, just support column (5) are equipped with a plurality of wire rope (6) in one side of bridgehead attachment strap (4) in opposite directions, every the both ends of wire rope (6) are all fixed with bridgehead attachment strap (4) and support column (5) respectively through mounting (7), the opening has been seted up at the top of bridgehead attachment strap (4), and is equipped with closed assembly in the opening.
2. A bridgehead anti-settling structure according to claim 1, wherein: the closing assembly comprises a thread block (8) and a cover plate (9), the thread block (8) is located in the opening, the thread block (8) is connected with the opening through threads, a screwing groove (10) is further formed in the top of the thread block (8), the cover plate (9) is located above the thread block (8), a fixed shaft (11) is movably sleeved at one end of the cover plate (9), and the two ends of the fixed shaft (11) are fixed with the thread block (8).
3. A bridgehead anti-settling structure according to claim 1, wherein: the fixed a plurality of reinforcing bar heads (12) that are equipped with of bottom that are close to pier (1) one end in bridgehead attachment strap (4), and a plurality of the other end of reinforcing bar head (12) inlays and locates in pier (1).
4. A bridgehead anti-settling structure according to claim 1, wherein: and a plurality of grouting grooves are formed in the roadbed layer (2) below the bridge head butt strap (4), and concrete (13) is poured into each grouting groove.
5. A bridgehead anti-settling structure according to claim 4, wherein: and reinforcing ribs (14) are arranged in each grouting groove.
6. A bridgehead anti-settling structure according to claim 1, wherein: and pavement layers (15) are paved on the tops of the abutment (3) and the bridge head butt strap (4).
7. A bridgehead anti-settling structure according to claim 2, wherein: and a rubber gasket (16) is fixed at one end of the cover plate (9) far away from the fixed shaft (11), and the rubber gasket (16) is abutted against the thread block (8).
8. A bridgehead anti-settling structure according to claim 1, wherein: and three steel wire ropes (6) are arranged on one side of each supporting column (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123111934.7U CN216615469U (en) | 2021-12-11 | 2021-12-11 | Structure is prevented subsiding by bridgehead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123111934.7U CN216615469U (en) | 2021-12-11 | 2021-12-11 | Structure is prevented subsiding by bridgehead |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216615469U true CN216615469U (en) | 2022-05-27 |
Family
ID=81704206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123111934.7U Expired - Fee Related CN216615469U (en) | 2021-12-11 | 2021-12-11 | Structure is prevented subsiding by bridgehead |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216615469U (en) |
-
2021
- 2021-12-11 CN CN202123111934.7U patent/CN216615469U/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 |
Granted publication date: 20220527 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |