CN209854763U - Road shoulder retaining wall - Google Patents
Road shoulder retaining wall Download PDFInfo
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- CN209854763U CN209854763U CN201920524703.2U CN201920524703U CN209854763U CN 209854763 U CN209854763 U CN 209854763U CN 201920524703 U CN201920524703 U CN 201920524703U CN 209854763 U CN209854763 U CN 209854763U
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- barricade
- retaining wall
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Abstract
The utility model discloses a curb barricade belongs to road engineering technical field. The utility model discloses an apron system, barricade wall body and barricade bottom plate, the upper surface of apron system be provided with road surface structure, road surface structure's the outside set up the parapet, barricade wall body's bottom is connected with the barricade bottom plate, the barricade wall body prop up the rib and constitute by the barricade backup pad, a ground apron supporting beam, barricade prop up and are provided with stiffening rib between rib and the barricade bottom plate. The utility model discloses simple structure, safe and reliable, low cost, the balanced soil body lateral pressure of the anti-bending moment of the road surface load formation more than the make full use of ground apron to reduce barricade structure thickness and rigidity, consequently have very big advantage in narrow place and for soft soil foundation, the practicality is stronger, simultaneously the utility model discloses can adopt cast-in-place concrete structure also can take precast concrete structure, do benefit to the construction of on-the-spot rapidization.
Description
Technical Field
The utility model relates to a road engineering technical field, more specifically say, relate to a curb barricade.
Background
In the current urban development situation of China, urban construction density is high, so that much inconvenience is brought to urban road construction, a road shoulder retaining wall is common in urban roads, particularly bridge abutment positions, the influence on the surrounding environment is reduced as much as possible, and key factors which often restrict the retaining wall arrangement are reduced by earth excavation, so that the retaining wall engineering is still a problem with high challenge, high risk and high difficulty. Common road shoulder retaining walls include gravity retaining walls, constant weight retaining walls, pile-plate retaining walls, cantilever retaining walls, buttress retaining walls, anchor rod retaining walls, and the like. The gravity retaining wall and the balance retaining wall mainly balance the lateral pressure of a soil body by the self weight of the wall body, so that the masonry amount is larger; the pile plate type retaining wall mainly balances the lateral pressure of the soil body by the passive soil pressure of the soil body below the reverse bending point, so the pile length is longer, the pile forming quality is more tightly controlled, and the engineering cost is higher; cantilever type and counterfort type retaining walls rely on the self weight of the soil body to balance the lateral pressure of the soil body, but the foundation is buried deeply in a soft soil area; anchor rod type retaining walls are generally used in mountainous areas and are often used less frequently in soft soil areas.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved by the utility model
The defect and not enough to prior art exist, the utility model provides a curb barricade, the utility model discloses simple structure, safe and reliable, low cost reduces the requirement to the ground bearing capacity to a great extent, and the practicality is stronger, can add muscle and soil body formation approximate rigid body structure through the level simultaneously, and the deflection will reduce by a great extent.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
the utility model discloses a curb barricade, including apron system, barricade wall body and barricade bottom plate, the apron system constitute by ground apron and a ground apron supporting beam, the upper surface of apron system is provided with road surface structure, road surface structure's the outside set up the parapet, parapet and apron system fixed connection, barricade wall body's bottom is connected with the barricade bottom plate, the barricade wall body constitute by barricade brace rib and barricade backup pad, be provided with stiffening rib between a ground apron supporting beam, barricade brace rib and the barricade bottom plate.
Furthermore, parapet, apron system, barricade wall body be reinforced concrete structure, adopt cast-in-place mode or prefabricated construction mode.
Furthermore, the retaining wall supporting ribs and the ground cover plate supporting beams are main stress components, the retaining wall supporting plates and the ground cover plates transmit the load of the parts to the retaining wall supporting ribs and the ground cover plate supporting beams, and the horizontal distance between every two adjacent retaining wall supporting ribs and between every two adjacent ground cover plate supporting beams is 2-3 m.
Furthermore, the stiffening ribs are respectively arranged at the corner junctions between the retaining wall support rib and the ground cover plate support beam and between the retaining wall support rib and the retaining wall bottom plate, and the horizontal distance between the adjacent stiffening ribs is 2 m-3 m.
Further, apron system and barricade wall body adopt the board rib structure, when adopting cast-in-place structure, barricade backup pad and ground apron are located barricade support rib and ground apron supporting beam one side respectively, and when adopting the prefabricated construction, the barricade backup pad inserts in the reservation recess in the middle of the barricade support rib, the ground apron inserts in the reservation recess in the middle of the ground apron supporting beam.
Furthermore, the construction of the retaining wall body and the earth backfilling are carried out synchronously, and when the horizontal reinforcement treatment is carried out on the soil body, the rib belts are connected with the retaining wall support ribs or the retaining wall support plates.
Furthermore, the face of the retaining wall supporting plate is provided with a water drainage hole and a back-filtering facility according to actual conditions.
Furthermore, the retaining wall body is arranged to be inclined, so that the bending moment caused by the lateral pressure of the soil body can be balanced, and the inclination angle is 5-15 degrees.
Furthermore, the length of the ground cover plate is 2 m-4 m and is less than or equal to the height of the retaining wall body.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:
the utility model discloses simple structure, safe and reliable, low cost, make full use of behind the wall soil body gravity itself, and utilize the anti-bending moment balance soil body lateral pressure that road surface load above the ground apron formed, thereby reduce the pressure to the foundation soil, utilize the part above the bottom plate to form approximate rigid body structure, reduce the requirement to the bearing capacity of ground to a great extent, therefore have very big advantage on narrow place and for the soft soil foundation, the practicality is stronger, simultaneously the utility model discloses can adopt cast-in-place concrete structure also can adopt prefabricated concrete structure, do benefit to on-the-spot rapid construction, in addition, after the barricade wall body is properly to face upward the slope, more be favorable to the moment of flexure that the balance soil body lateral pressure brought; after the soil body behind the wall is subjected to horizontal reinforcement treatment, the strength of a rigid body formed by the structure body and the soil body is improved to a greater degree, and the deformation resistance is stronger.
Drawings
FIG. 1 is an overall structure diagram of the present invention;
FIG. 2 is a schematic view of the plate rib type cast-in-place structure of the cover plate system of the present invention;
fig. 3 is the plate rib type prefabricated structure schematic diagram of the cover plate system of the present invention.
In the figure: 1. a parapet wall; 2. a pavement structure; 3. a ground cover plate; 4. a ground cover plate support beam; 5. a stiffening rib; 6. retaining wall support ribs; 7. a retaining wall support plate; 8. a retaining wall bottom plate; 9. a cover plate system; 10. and (4) retaining wall bodies.
Detailed Description
The invention is further described with reference to the following figures and examples:
example 1
As can be seen from fig. 1, the shoulder retaining wall of the present embodiment includes a cover plate system 9, a retaining wall body 10 and a retaining wall bottom plate 8, the cover plate system 9 is composed of a ground cover plate 3 and a ground cover plate supporting beam 4, the upper surface of the cover plate system 9 is provided with a pavement structure 2, the outside of the pavement structure 2 is provided with a parapet wall 1, the parapet wall 1 is fixedly connected with the cover plate system 9, the height of the parapet wall 1 is set according to the requirement of pedestrian safety protection, the parapet wall 1, the cover plate system 9 and the retaining wall body 10 are all made of reinforced concrete structures, a cast-in-place method or a prefabricated structure method is adopted, the parapet wall 1 is fixedly connected with the cover plate system 9, the bottom of the retaining wall body 10 is connected with the retaining wall bottom plate 8, the retaining wall body 10 is composed of retaining wall supporting ribs 6 and retaining wall supporting plates 7, the surface of the retaining wall supporting plates 7, stiffening ribs 5 are arranged among the ground cover plate supporting beam 4, the retaining wall supporting ribs 6 and the retaining wall bottom plate 8.
The retaining wall supporting ribs 6 and the ground cover plate supporting beams 4 are main stress components, the retaining wall supporting plates 7 and the ground cover plates 3 transmit the load of the parts to the retaining wall supporting ribs 6 and the ground cover plate supporting beams 4, the horizontal distance between every two adjacent retaining wall supporting ribs 6 and between every two adjacent ground cover plate supporting beams 4 is 2 m-3 m, the stiffening ribs 5 are respectively arranged at corner junctions between the retaining wall supporting ribs 6 and the ground cover plate supporting beams 4 and between the retaining wall supporting ribs 6 and the retaining wall bottom plates 8, and the horizontal distance between every two adjacent stiffening ribs 5 is 2 m-3 m, so that the engineering investment cost is saved to a large extent.
The cover plate system 9 and the retaining wall 10 are of a plate rib structure, as can be seen from fig. 2, when a cast-in-place structure is adopted, the retaining wall support plate 7 and the ground cover plate 3 are respectively positioned at one side of the retaining wall support rib 6 and one side of the ground cover plate support beam 4, which is convenient for the construction of the template engineering, as can be seen from fig. 3, when a prefabricated structure is adopted, the retaining wall support plate 7 is inserted into a reserved groove in the middle of the retaining wall support rib 6, the ground cover plate 3 is inserted into a reserved groove in the middle of the ground cover plate support beam 4, the construction of the retaining wall 10 and the backfilling of the earthwork are synchronously carried out, when the horizontal reinforcement treatment is carried out on the soil body, the rib belt is connected with the retaining wall support rib 6 or the retaining wall support plate 7, so that the soil body and the rigid body formed by the structure have higher strength and stronger deformation resistance, the retaining, and is less than or equal to the height of the retaining wall 10.
During the concrete construction, the method comprises the following steps:
the method comprises the following steps: in the construction period, firstly, the water passage, the electricity passage, the road passage and the field are ensured to be smooth, and the safety of electricity and water utilization is ensured;
step two: and (3) measurement and paying-off: according to the coordinate reference points provided by a design unit, lofting positioning and elevation measurement are carried out according to a design drawing, and permanent marks and temporary marks are made;
step three: excavating a foundation trench: the excavation depth of the foundation trench is larger than 1.0m, so that the basic requirements of relevant specifications are met, and meanwhile, the foundation soil layer meets the basic requirements of stress and settlement of a structure;
step four: pouring a retaining wall bottom plate 8: before the retaining wall bottom plate 8 is poured, cushion layer pouring is carried out to ensure the construction operation environment of the retaining wall bottom plate 8, after the steel bar binding, the template engineering and the concealment engineering are accepted, pouring operation of the retaining wall bottom plate 8 is carried out, meanwhile, embedded bars are reserved in the retaining wall bottom plate 8, and the retaining wall bottom plate 8 is fixedly connected with the retaining wall body 10 through the embedded bars in the follow-up process;
step five: pouring the retaining wall body 10: for a cast-in-place structure, performing template operation, and after ensuring that the welding strength of steel bars or the bolt connection strength meets the standard requirement, performing concrete pouring, and for a prefabricated structure, performing consolidation connection between a retaining wall support rib 6 and a retaining wall bottom plate 8 in advance, and then performing insertion operation of a retaining wall support plate 7, wherein the pouring height of the retaining wall 10 and the earthwork filling are kept synchronous, the height of the retaining wall 10 is more than 1.0m higher than the earthwork filling height, when a soil body is subjected to horizontal reinforcement treatment, a horizontal rib belt is connected with the retaining wall support plate 7 or the retaining wall support rib 6, the inclination angle of the retaining wall 10 is performed according to the inclination angle of a design drawing, and the construction of a stiffening rib 5 and the retaining wall 10;
step six: pouring the cover plate system 9: for the cast-in-place structure, template operation is carried out, and concrete pouring is carried out after the welding strength of the steel bars or the connection strength of the bolts meet the standard requirements; for the prefabricated structure, after the ground cover plate supporting beam 4 is fixedly connected with the retaining wall supporting rib 6 in advance, the ground cover plate 3 is inserted, the construction of the stiffening rib 5 and the cover plate system 9 is carried out simultaneously, and the parapet 1 and the cover plate system 9 are constructed synchronously;
step seven: paving the pavement structure 2: pavement structure 2 paves the operation according to relevant standard, if set up permeable pavement, should set up outlet and inverted filter at the wall body, guarantees the soil body intensity behind the wall body.
The utility model has the advantages of simple structure, safe and reliable, low cost, the gravity of soil body itself behind the make full use of wall, and utilize the anti-bending moment balance soil body lateral pressure that the road surface load more than cover plate system 9 formed to reduce the pressure to the foundation soil, the part forms approximate rigid body structure more than barricade bottom plate 8, reduces the requirement to the ground bearing capacity to a great extent, consequently has very big advantage in narrow place and for the weak soil foundation on, the practicality is stronger, simultaneously the utility model discloses can adopt cast-in-place concrete structure also can take prefabricated concrete structure, do benefit to on-the-spot rapid construction.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (9)
1. The utility model provides a curb retaining wall, includes apron system (9), barricade wall body (10) and barricade bottom plate (8), its characterized in that: apron system (9) constitute by ground apron (3) and ground apron supporting beam (4), the upper surface of apron system (9) is provided with road surface structure (2), the outside of road surface structure (2) set up parapet (1), parapet (1) and apron system (9) fixed connection, the bottom of barricade wall body (10) is connected with barricade bottom plate (8), barricade wall body (10) constitute by barricade brace rib (6) and barricade backup pad (7), be provided with stiffening rib (5) between ground apron supporting beam (4), barricade brace rib (6) and barricade bottom plate (8).
2. The road shoulder retaining wall of claim 1, wherein: parapet (1), apron system (9), barricade wall body (10) be reinforced concrete structure, adopt cast-in-place mode or prefabricated construction mode.
3. The road shoulder retaining wall of claim 1, wherein: the retaining wall support rib (6) and the ground cover plate support beam (4) are main stress members, the retaining wall support plate (7) and the ground cover plate (3) transmit the load of the part to the retaining wall support rib (6) and the ground cover plate support beam (4), and the horizontal distance between the adjacent retaining wall support ribs (6) and the horizontal distance between the adjacent ground cover plate support beams (4) are both 2 m-3 m.
4. The road shoulder retaining wall of claim 1, wherein: the stiffening ribs (5) are respectively arranged at corner junctions between the retaining wall supporting rib (6) and the ground cover plate supporting beam (4) and between the retaining wall supporting rib (6) and the retaining wall bottom plate (8), and the horizontal distance between the adjacent stiffening ribs (5) is 2-3 m.
5. The road shoulder retaining wall of claim 1, wherein: apron system (9) and barricade wall body (10) adopt the plate rib structure, when adopting cast-in-place structure, barricade backup pad (7) and ground apron (3) are located barricade and support rib (6) and ground apron supporting beam (4) one side respectively, when adopting prefabricated construction, barricade backup pad (7) insert in the reservation recess in the middle of barricade support rib (6), ground apron (3) insert in the reservation recess in the middle of ground apron supporting beam (4).
6. The road shoulder retaining wall of claim 1, wherein: the construction of the retaining wall body (10) and the earth backfill are carried out synchronously, and when the horizontal reinforcement treatment is carried out on the soil body, the rib belt is connected with the retaining wall support rib (6) or the retaining wall support plate (7).
7. The road shoulder retaining wall of claim 1, wherein: the face of barricade backup pad (7) on be provided with behind outlet and the wall anti-facility of straining according to actual conditions.
8. The road shoulder retaining wall of claim 1, wherein: the retaining wall body (10) is arranged to be inclined, so that the bending moment caused by the lateral pressure of the soil body can be balanced, and the inclination angle is 5-15 degrees.
9. The road shoulder retaining wall of claim 1, wherein: the length of the ground cover plate (3) is 2 m-4 m and is less than or equal to the height of the retaining wall body (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920524703.2U CN209854763U (en) | 2019-04-18 | 2019-04-18 | Road shoulder retaining wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920524703.2U CN209854763U (en) | 2019-04-18 | 2019-04-18 | Road shoulder retaining wall |
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| CN209854763U true CN209854763U (en) | 2019-12-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109914470A (en) * | 2019-04-18 | 2019-06-21 | 中冶华天南京工程技术有限公司 | A kind of road shoulder barricade and its construction method |
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- 2019-04-18 CN CN201920524703.2U patent/CN209854763U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109914470A (en) * | 2019-04-18 | 2019-06-21 | 中冶华天南京工程技术有限公司 | A kind of road shoulder barricade and its construction method |
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