CN210946330U - Structure is widened to formula of encorbelmenting road bed - Google Patents
Structure is widened to formula of encorbelmenting road bed Download PDFInfo
- Publication number
- CN210946330U CN210946330U CN201921409284.4U CN201921409284U CN210946330U CN 210946330 U CN210946330 U CN 210946330U CN 201921409284 U CN201921409284 U CN 201921409284U CN 210946330 U CN210946330 U CN 210946330U
- Authority
- CN
- China
- Prior art keywords
- section
- road bed
- widening
- roadbed
- embedded
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The utility model relates to a structure is widened to overhanging type road bed belongs to the road bed and widens technical field, including existing road bed section, one side that existing road bed section is close to the zanjon is provided with the road bed section of inlaying, it is connected through the stock between road bed section of inlaying and the existing road bed section, one side that the road bed section of inlaying is close to the zanjon is provided with unsettled widening section, it is concrete structure with unsettled widening section to inlay the road bed section, inlay the road bed section and the unsettled widening section combination department inlay and be equipped with many reinforcing bars, the surface of existing road bed section, embedding road bed section and unsettled widening section is located same horizontal plane, the utility model has the advantages of be convenient for realize widening the road bed that one side is mountain, opposite side are the zanjon highway section.
Description
Technical Field
The utility model belongs to the technical field of the technique is widened to the road bed and specifically relates to a structure is widened to overhanging type road bed is related to.
Background
At present, for road reconstruction (expansion) projects, when the road reconstruction (expansion) projects are limited by terrain conditions, for example, when one side of the road is a mountain and the other side of the road is a deep-groove road section, the reconstruction and the expansion are very difficult or cannot be widened, so that the road expansion projects under the terrain are difficult to develop.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a structure is widened to overhanging type road bed has and is convenient for realize that one side is the mountain, the opposite side widens for the road bed in deep groove highway section.
The above object of the present invention can be achieved by the following technical solutions:
the utility model provides a structure is widened to overhanging type road bed, includes existing road bed section, one side that existing road bed section is close to the zanjon is provided with the road bed section of inlaying, it is connected through the stock between road bed section and the existing road bed section to inlay, one side that the road bed section of inlaying is close to the zanjon is provided with unsettled widening section, it is concrete structure with unsettled widening section to inlay the road bed section, it inlays and is equipped with many reinforcing bars with unsettled widening section's combination department to inlay the road bed section, the surface of existing road bed section, embedding road bed section and unsettled widening section is on same horizontal plane.
By implementing the technical scheme, after the embedded roadbed section is erected on the existing road section, the embedded roadbed section also belongs to a part of the existing road section, and the embedded roadbed section is connected with the existing roadbed section through the anchor rod, so that the method is very convenient and low in cost; because the embedded roadbed section is of a concrete structure, the embedded roadbed section can be directly provided with a suspended widening section which is also of the concrete structure, so that the connection between the embedded roadbed section and the suspended widening section is more stable, and a plurality of steel bars are embedded at the joint of the embedded roadbed section and the suspended widening section, so that the shearing resistance of the embedded roadbed section and the suspended widening section can be enhanced, and the strength of the concrete structure formed by the embedded roadbed section and the suspended widening section is better. After the arrangement, the widening can be conveniently carried out on the roadbed of which one side is a mountain and the other side is a deep groove road section, and the widened roadbed is more stable.
Further, the anchor rods are inserted into the existing roadbed section from the embedded roadbed section in a vertically downward state.
According to the technical scheme, the anchor rod is inserted into the existing roadbed section from the embedded roadbed section in a vertical downward state, so that the shearing resistance between the embedded roadbed section and the existing roadbed section is larger, and the strength is better.
Furthermore, a guardrail is arranged on the surface of the suspended widening section close to the deep trench side.
Implement above-mentioned technical scheme, one side that existing road bed section is close to the deep groove is provided with the guardrail originally, and this guardrail is that the position on existing road bed section moves to unsettled widening section and is close to deep groove side department, lets the road bed after widening be close to deep groove one side and still be guaranteed, can prevent to a certain extent that the vehicle from rushing out the road and taking place the accident.
Further, the guardrail is made of concrete and is integrally arranged with the suspended widening section.
Implement above-mentioned technical scheme, after guardrail and unsettled widening section an organic whole set up, can let guardrail and unsettled widening section's whole more firm, reach and let the more solid effect of guardrail installation.
Further, I-shaped steel is arranged in the embedded roadbed section and the suspended widening section, one section of the I-shaped steel is positioned in the embedded roadbed section, and the other section of the I-shaped steel is positioned in the suspended widening section.
By implementing the technical scheme, the strength between the embedded roadbed section and the suspended widening section can be further improved by the arrangement of the I-shaped steel, so that the shearing resistance of the joint of the embedded roadbed section and the suspended widening section is further improved, and the widened roadbed is more stable.
Further, the guardrail is formed by combining a concrete guardrail and a cable guardrail.
Implement above-mentioned technical scheme, the guardrail adopts the mode that concrete guardrail and cable guardrail combined together to arrange, can alleviate the weight of guardrail to a certain extent to reduce the shear pressure of the position of encorbelmenting, improve the stability of road bed.
Furthermore, a side ditch is arranged at the joint of the existing roadbed section and the mountain.
By implementing the technical scheme, the arrangement of the side ditch is convenient for draining away rainwater or underground water, and the influence of the rainwater or the underground water on widening the roadbed is reduced.
To sum up, the utility model discloses following beneficial effect has:
after an embedded roadbed section is erected on an existing road section, the embedded roadbed section also belongs to a part of the existing road section, and the embedded roadbed section is connected with the existing roadbed section through an anchor rod, so that the method is very convenient and low in cost; because the embedded roadbed section is of a concrete structure, the embedded roadbed section can be directly provided with a suspended widening section which is also of the concrete structure, so that the connection between the embedded roadbed section and the suspended widening section is more stable, and a plurality of steel bars are embedded at the joint of the embedded roadbed section and the suspended widening section, so that the shearing resistance of the embedded roadbed section and the suspended widening section can be enhanced, and the strength of the concrete structure formed by the embedded roadbed section and the suspended widening section is better. After the arrangement, the widening can be conveniently carried out on the roadbed with the mountain on one side and the deep groove on the other side, and the widened roadbed is more stable;
after the guard bar and the suspended widening section are integrally arranged, the whole body of the guard bar and the suspended widening section can be more stable, and the effect of more firmly installing the guard bar is achieved;
the strength between the embedded roadbed section and the suspended widening section can be further improved through the arrangement of the I-shaped steel, so that the shearing resistance of the joint of the embedded roadbed section and the suspended widening section is further improved, and the widened roadbed is more stable;
the guardrail adopts the mode that concrete guardrail and cable guardrail combined together to arrange, can alleviate the weight of guardrail to a certain extent to reduce the shear force of the position of encorbelmenting, improve the stability of road bed.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural view of the guardrail according to the embodiment of the present invention.
Reference numerals: 1. existing roadbed sections; 2. embedding a roadbed section; 3. an anchor rod; 4. a suspended widening section; 5. a guardrail; 51. a concrete guardrail; 52. a cable guard; 6. i-shaped steel; 7. and (4) side ditches.
Detailed Description
The technical solution of the embodiment of the present invention will be described below with reference to the accompanying drawings.
As shown in figure 1, the overhanging type roadbed widening structure comprises an existing roadbed section 1, wherein an embedded roadbed section 2 is arranged on one side, close to a deep groove, of the existing roadbed section 1, the embedded roadbed section 2 is connected with the existing roadbed section 1 through anchor rods 3, a plurality of anchor rods 3 are arranged, the embedded roadbed section 2 is connected with the existing roadbed section 1 through the anchor rods 3, the convenience is achieved, the cost is low, the anchor rods 3 are inserted into the existing roadbed section 1 from the embedded roadbed section 2 in a vertically downward state, and the shearing resistance and the strength between the embedded roadbed section 2 and the existing roadbed section 1 can be larger and better.
As shown in fig. 1, a suspended widening section 4 is arranged on one side, close to a deep groove, of an embedded roadbed section 2, the embedded roadbed section 2 and the suspended widening section 4 are both of a concrete structure, a plurality of steel bars (the steel bars are not shown in the figure) are embedded in the joint of the embedded roadbed section 2 and the suspended widening section 4, the surfaces of the existing roadbed section 1, the embedded roadbed section 2 and the suspended widening section 4 are located on the same horizontal plane, and the shearing resistance of the embedded roadbed section 2 and the suspended widening section 4 can be enhanced by embedding the plurality of steel bars in the joint of the embedded roadbed section 2 and the suspended widening section 4, so that the strength of the concrete structure formed by the embedded roadbed section 2 and the suspended widening section 4 is better.
As shown in fig. 1, a guardrail 5 is arranged on the surface of the suspended widening section 4 close to the deep ditch side, the guardrail 5 is made of concrete, and the guardrail 5 and the suspended widening section 4 are integrally arranged; and after guardrail 5 and unsettled widening section 4 an organic whole set up, can let guardrail 5 and unsettled widening section 4 whole more firm, reach and let guardrail 5 install more solid effect.
As shown in fig. 1, i-beams 6 are arranged in the embedded roadbed section 2 and the suspended widening section 4, one section of the i-beam 6 is arranged in the embedded roadbed section 2, and the other section of the i-beam 6 is arranged in the suspended widening section 4; the I-shaped steel 6 can further improve the strength between the embedded roadbed section 2 and the suspended widening section 4, so that the shearing resistance of the joint of the embedded roadbed section 2 and the suspended widening section 4 is further improved, and the widened roadbed is more stable.
As shown in fig. 1 and 2, the guard rail 5 is formed by combining a concrete guard rail 51 and a cable guard rail 52, that is, when the guard rail 5 is constructed at the roadside, a certain gap is left between two concrete guard rails 51, and then the cable guard rail 52 is arranged between the two concrete guard rails 51, so that the guard rail 5 is constructed in the form of a concrete guard rail 51-cable guard rail 52-concrete guard rail 51; the mode that guardrail 5 adopted concrete guardrail 51 to combine together with cable guardrail 52 arranges, can alleviate guardrail 5's weight to a certain extent to reduce the shear force of the position of encorbelmenting, improve the stability of road bed.
As shown in fig. 1, a side ditch 7 is arranged at the joint of the existing roadbed section 1 and the mountain, and the side ditch 7 is convenient for draining rainwater or underground water, so that the influence of the rainwater or the underground water on widening the roadbed is reduced.
The specific working process is as follows: firstly, pouring concrete into an embedded roadbed section 2 on the basis of an existing roadbed section 1, then fixing the embedded roadbed section 2 and the existing roadbed section 1 through an anchor rod 3, then continuously pouring concrete out of a suspended widening section 4 on the side, close to a deep groove, of the embedded roadbed section 2, then erecting reinforcing steel bars and I-shaped steel 6 between the embedded roadbed section 2 and the suspended widening section 4, finally integrally erecting concrete guardrails 51 in sequence in the length direction of the suspended widening section 4, and pulling a cable guardrail 52 between two adjacent concrete guardrails 51.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent law within the scope of the present invention.
Claims (7)
1. The utility model provides a structure is widened to overhanging type road bed, includes existing road bed section (1), its characterized in that one side that existing road bed section (1) is close to the zanjon is provided with inlays road bed section (2), inlay and be connected through stock (3) between road bed section (2) and existing road bed section (1), one side that inlays road bed section (2) and be close to the zanjon is provided with unsettled widening section (4), inlay road bed section (2) and unsettled widening section (4) and be concrete structure, the junction of embedding road bed section (2) and unsettled widening section (4) inlays and is equipped with many reinforcing bars, the surface of existing road bed section (1), embedding road bed section (2) and unsettled widening section (4) is on same horizontal plane.
2. An overhanging type roadbed widening structure according to claim 1, wherein: the anchor rods (3) are inserted into the existing roadbed section (1) from the embedded roadbed section (2) in a vertically downward state.
3. An overhanging type roadbed widening structure according to claim 1, wherein: and a guardrail (5) is arranged on the surface of the suspended widening section (4) close to the deep trench side.
4. An overhanging type roadbed widening structure according to claim 3, wherein: the guardrail (5) is made of concrete and the guardrail (5) and the suspended widening section (4) are integrally arranged.
5. An overhanging type roadbed widening structure according to claim 4, wherein: i-shaped steel (6) is arranged in the embedded roadbed section (2) and the suspended widening section (4), one section of the I-shaped steel (6) is arranged in the embedded roadbed section (2), and the other section of the I-shaped steel is arranged in the suspended widening section (4).
6. An overhanging type roadbed widening structure according to claim 3, wherein: the guardrail (5) is formed by combining a concrete guardrail (51) and a cable guardrail (52).
7. An overhanging type roadbed widening structure according to claim 1, wherein: and a side ditch (7) is arranged at the joint of the existing roadbed section (1) and the mountain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921409284.4U CN210946330U (en) | 2019-08-28 | 2019-08-28 | Structure is widened to formula of encorbelmenting road bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921409284.4U CN210946330U (en) | 2019-08-28 | 2019-08-28 | Structure is widened to formula of encorbelmenting road bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210946330U true CN210946330U (en) | 2020-07-07 |
Family
ID=71396468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921409284.4U Active CN210946330U (en) | 2019-08-28 | 2019-08-28 | Structure is widened to formula of encorbelmenting road bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210946330U (en) |
-
2019
- 2019-08-28 CN CN201921409284.4U patent/CN210946330U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201224889Y (en) | High and light type anchoring plate retaining wall in high filling branch block engineering | |
| CN110242305A (en) | A kind of inclined shaft applies the construction technique in main hole into single side heading method | |
| CN109989407B (en) | Roadbed pile tube curtain supporting structure behind newly-added two-line platform of railway | |
| CN105926391A (en) | Method for widening shoulder of existing railway subgrade | |
| CN206828906U (en) | A kind of temporary pavement bedding structure for Metro Deep Excavation | |
| CN206448293U (en) | A kind of reverse construction ground prop structure | |
| CN210946330U (en) | Structure is widened to formula of encorbelmenting road bed | |
| CN100535392C (en) | Bridge type shield construction method for box type bridge | |
| CN202170453U (en) | Wind and snow-resistant corridor for railway | |
| CN209669718U (en) | A kind of existing hangar tunnel combination stone cut off wall structure of rockfall protection | |
| CN102373676A (en) | High vertical reverse Y-shaped net cage sand barrier and construction method thereof | |
| CN104562923B (en) | A kind of construction method of the semi-rigid joint Integral Abutment Bridge of concrete-pile supporting | |
| CN217300589U (en) | Reinforcing system of subway shield tunnel underpass operation railway frame bridge | |
| CN203668978U (en) | Anti-floating structure for subway tunnel | |
| CN106283938B (en) | The compound framing type support rail girder construction of medium-and low-speed maglev two-wire excavation location pile foundation | |
| CN204875868U (en) | Induced seam structure of twin columns of subway station | |
| CN201962697U (en) | Frame retaining wall with composite structure | |
| CN211285505U (en) | Forward slope mountain-climbing channel structure | |
| CN212103491U (en) | Overhead soilless roadbed structure, roadbed assembly and roadbed system | |
| KR20090092990A (en) | Construction method for underground structure using prestressed beam and development structure, saddle used in the same | |
| CN106592632A (en) | Underground supporting structure for reverse construction method and construction method | |
| CN103696370B (en) | A kind of Quick bridge construction method and structure | |
| CN103147460B (en) | Integrated prefabricated pier and foundation structure | |
| CN208280462U (en) | A kind of jackscrew sleeve connected for covering digging station side wall reinforcing bar | |
| CN205369243U (en) | Take soil nail that prestretches of stiffening rib |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |