CN213013740U - Combined type highway subgrade structure - Google Patents
Combined type highway subgrade structure Download PDFInfo
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- CN213013740U CN213013740U CN202021244255.XU CN202021244255U CN213013740U CN 213013740 U CN213013740 U CN 213013740U CN 202021244255 U CN202021244255 U CN 202021244255U CN 213013740 U CN213013740 U CN 213013740U
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Abstract
The utility model relates to a combined type highway roadbed structure relates to highway engineering's technical field, enclose the slope including roadbed body, side slope body and side slope, the side slope body is located roadbed body's both sides, the side slope encloses the slope and surrounds the side slope body is kept away from one side of roadbed body, the side slope body includes surface course one, dirt bed layer one, anti-filter bed course, rock back up coat and soft soil layer one from top to bottom in proper order, the side slope body with roadbed body's junction is provided with vertical bearing plate perpendicularly, the slope is provided with the support stock of wearing to establish surface course one, dirt bed layer one, anti-filter bed course, rock back up coat and soft soil layer one in this internal slope of side slope, the tip of support stock with vertical bearing plate passes through the bolt fastening. The utility model provides a not good easy technical problem who sinks of side slope steadiness, have the effect that improves the side slope defect of easily collapsing.
Description
Technical Field
The utility model belongs to the technical field of highway engineering's technique and specifically relates to a combined type highway roadbed structure is related to.
Background
The roadbed is a strip structure which is built according to a route position and a certain technical requirement and serves as a road surface foundation, and is a linear structure built by soil or stones. The roadbed structure mainly comprises a roadbed body and side slopes, the roadbed body bears the self weight of rock soil and the gravity of a road surface, and the driving load transmitted from the road surface, and transmits and diffuses the load to the deep part of a foundation, and the roadbed is an important component of the whole highway structure. In civil engineering, the subgrade occupies an important position in the aspects of construction quantity, floor area and investment.
The prior Chinese patent with publication number CN104358197B discloses a roadbed structure, which comprises a road surface, wherein both sides of the road surface are provided with side slope excavation surfaces which incline outwards, the inclination angle is between thirty degrees and forty-five degrees, a gabion cage is arranged between the two side slope excavation surfaces, the protective plate also comprises a protective plate, the two ends of the protective plate are fixedly connected with the side slope excavation surfaces, the guard plate is positioned on the gabion cage, more than one air pipe is vertically arranged on the lower surface of the guard plate, the top of each air pipe is connected with the guard plate, the bottom of the water drainage device is fixed on the inner bottom surface of the gabion cage, the water drainage channels are arranged on the lower surface of the gabion cage close to the two sides, the top of each water drainage channel is communicated and connected with the gabion cage, the bottom of the drainage channel is positioned on a bearing plate, the bottom of the drainage channel penetrates through the bearing plate and is flush with the lower surface of the bearing plate, the upper surface of the bearing plate is provided with two pile foundation foundations, and the pile foundation is positioned between the two rows of the drainage channels.
The above prior art solutions have the following drawbacks: the prior art scheme discloses road surface and side slope structure, but does not set up the reinforcement measure between this road surface and the side slope, when meetting heavy weather such as heavy rain or snow storm, the side slope is very easily receive heavy rain to erode or snow storm and heavily press and collapses.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a combined type highway roadbed structure, it has the effect that improves the easy defect of collapsing of side slope.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a combined type highway roadbed structure, encloses the slope including roadbed body, side slope body and side slope, the side slope body is located roadbed body's both sides, the side slope encloses the slope and surrounds the side slope body is kept away from one side of roadbed body, the side slope body includes surface course one, dirt bed layer one, anti-filter bed course, rock back up coat and soft soil layer one from top to bottom in proper order, the side slope body with roadbed body's junction is provided with vertical bearing plate perpendicularly, slope body internal inclination is provided with wears to establish the supporting stock of surface course one, dirt bed layer one, anti-filter bed course, rock back up coat and soft soil layer one, the tip of supporting the stock with vertical bearing plate passes through the bolt fastening.
By adopting the technical scheme, cracks and collapse are easily generated at the joint of the roadbed body and the side slope body, and the vertical bearing plate is arranged at the joint of the roadbed body and the side slope body to support the joint, so that the problems that cracks are easily generated and the collapse is easily generated at the joint are solved; the supporting anchor rods are arranged in the side slope body, have good supporting effect on the side slope body and are used for solving the problem that the side slope body is easy to collapse in severe weather; the supporting anchor rods are connected with the vertical bearing plates to form an interconnected skeleton structure inside the side slope body and the roadbed body, so that the side slope body and the roadbed body are reinforced, and the effect of improving the defect that the side slope body is prone to collapse is improved.
The present invention may be further configured in a preferred embodiment as: the surface of the first surface layer is paved with a lattice beam, a diversion trench is formed in the lattice beam, a water collection tank communicated with the diversion trench is formed in the upper surface of the side slope surrounding slope, a water outlet is formed in the bottom of the water collection tank, and a water guide pipe vertically penetrating through the side slope surrounding slope is communicated in the water outlet.
Through adopting above-mentioned technical scheme, set up the lattice roof beam on surface course one, the lattice roof beam has certain reinforcing effect, and the setting of guiding gutter, water catch bowl, outlet and aqueduct all is used for in time getting rid of the rainwater on the side slope body, avoids producing ponding on the side slope body and corrodes its inner structure and lead to its structural strength to avoid aggravating the problem that the side slope body easily sinks.
The present invention may be further configured in a preferred embodiment as: and a protective net layer is laid between the first surface layer and the first soil layer.
By adopting the technical scheme, the protective net layer also plays a good role in reinforcement so as to further improve the stability of the side slope body and improve the defect that the side slope body is easy to collapse.
The present invention may be further configured in a preferred embodiment as: an anti-seepage film layer is further laid between the first surface layer and the first soil layer, and the anti-seepage film layer is located on the lower portion of the protective net layer.
Through adopting above-mentioned technical scheme, because rainwater infiltration is difficult to in time discharge and will corrode the inside structure of side slope body, leads to its internal strength to reduce and change and produce and sink, the infiltration that sets up of prevention of seepage rete is used for isolated rainwater to further improve the problem that the side slope body easily sinks.
The present invention may be further configured in a preferred embodiment as: the roadbed body sequentially comprises a second surface layer, a second soil layer, a concrete layer, a drainage layer and a second soft soil layer from top to bottom, wherein a packing layer is arranged between the second soil layer and the concrete layer.
Through adopting above-mentioned technical scheme, the setting of packing layer is used for strengthening the road bed body to strengthen the structural strength of road bed body.
The present invention may be further configured in a preferred embodiment as: the filler layer is prepared from the following components in percentage by mass of 1:2:1, mixing broken stone, gravel and clay.
Through adopting above-mentioned technical scheme, the rubble is arranged in forming the skeleton texture of packing layer, and the gravel is filled in the gap of rubble, is used for remedying the defect that the bearing stress that the rubble gap brought reduces, and clay has good viscidity, is used for strengthening the steadiness of being connected between gravel and the rubble to strengthen the steadiness of packing layer, the packing layer is prepared into to the three combined action, and the packing layer is filled in order to strengthen the holistic structural strength of road bed body between soil layer two and concrete layer, thereby reduces its risk of caving.
The present invention may be further configured in a preferred embodiment as: and reinforcing rods are embedded in the second soil layer.
Through adopting above-mentioned technical scheme, because the texture of dirt bed two itself is soft, intensity is lower, the setting up of back up bar supports the reinforcement effect to dirt bed two for the intensity of reinforcing dirt bed two, thereby the bulk strength of reinforcing road bed body reduces its risk of caving in.
The present invention may be further configured in a preferred embodiment as: and an impermeable geotextile is laid in front of the drainage layer and the soft soil layer II.
By adopting the technical scheme, the anti-seepage geotextile is used for effectively intercepting the surface water permeated from the upper part in the drainage layer, and the intercepted surface water is discharged out of the roadbed body through the drainage layer, so that the surface water is prevented from carelessly entering the soft soil layer II and the underground layer to pollute the underground layer structure.
To sum up, the utility model discloses a following at least one useful technological effect:
1. connecting the support anchor rods with the vertical bearing plates to form a skeleton structure inside the side slope body and the roadbed body to play a role in reinforcement, so that the effect of improving the defect that the side slope is easy to collapse is improved;
2. the arrangement of the diversion trench, the water collection trench, the water outlet and the water guide pipe is used for timely draining rainwater on the side slope body, so that the phenomenon that the structure is corroded by accumulated water on the side slope body to reduce the structural strength of the side slope body is avoided, and the problem that the side slope body is easy to collapse is further solved;
3. the protective net layer also plays a good role in reinforcing, so that the stability of the side slope body is further improved, and the defect that the side slope body is easy to collapse is overcome.
Drawings
Fig. 1 is a schematic overall sectional structure of the present embodiment.
Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.
Fig. 3 is a schematic plan view of the lattice beam in this embodiment.
Reference numerals: 1. a roadbed body; 11. a second surface layer; 12. a second soil layer; 121. a reinforcing rod; 13. a filler layer; 14. a concrete layer; 15. a drainage layer; 151. anti-seepage geotextile; 16. a soft soil layer II; 17. a vertical bearing plate; 2. a side slope body; 21. a first surface layer; 211. a lattice beam; 2111. a diversion trench; 22. a protective mesh layer; 23. an impermeable film layer; 24. a first soil layer; 25. a reverse filter bed layer; 26. a rock reinforcement layer; 27. a soft soil layer I; 28. supporting an anchor rod; 3. enclosing a slope by a side slope; 31. a water collection tank; 311. a water outlet; 32. a water conduit.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, do the utility model discloses a combined type highway subgrade structure, including subgrade body 1, side slope body 2 and side slope enclose slope 3. The side slope body 2 is located the both sides of road bed body 1, and side slope enclosing slope 3 is located the side that road bed body 1 is kept away from to side slope body 2 to enclose side slope body 2 bottom.
Referring to fig. 1 and 2, the slope body 2 sequentially comprises a first surface layer 21, a protective net layer 22, an anti-seepage film layer 23, a first soil layer 24, an anti-filter bed layer 25, a rock reinforcement layer 26 and a first soft soil layer 27 from top to bottom. Lay anti-skidding stratum reticulare between surface course one 21 and dirt bed one 24, protection stratum reticulare 22 comprises many protection networks, and many protection networks have the effect of dispersion side slope body 2 surface bearing stress to play good reinforcing effect for side slope body 2, in order to improve its steadiness, thereby improve the defect that side slope body 2 easily sinks. An anti-seepage film layer 23 is laid on the lower portion of the protective net layer 22, the anti-seepage film layer 23 is composed of double anti-seepage films, and the anti-seepage films have good rainwater permeability; the structure in the side slope body 2 is corroded due to the fact that rainwater on the ground surface is difficult to drain in time due to infiltration, the internal strength of the side slope body is reduced, collapse is easy to occur, the seepage-proofing film layer 23 is used for isolating infiltration of rainwater, and therefore the problem that the side slope body 2 is prone to collapse is further solved.
Referring to fig. 1, the roadbed body 1 sequentially comprises a second surface layer 11, a second soil layer 12, a filler layer 13, a concrete layer 14, a drainage layer 15 and a second soft soil layer 16 from top to bottom. Reinforcing rods 121 are buried in the second soil layer 12, the reinforcing rods 121 are two in one group, multiple groups are provided, multiple groups of reinforcing rods 121 are distributed along the length direction of the road basic body 1 in an array mode, the two reinforcing rods 121 in each group of reinforcing rods 121 are arranged in a crossed mode, stable triangular structures are formed between the crossed reinforcing rods 121, the second soil layer 12 is soft in texture, the strength is low, the reinforcing rods 121 are arranged to support and reinforce the second soil layer 12, the strength of the second soil layer 12 is enhanced, the overall strength of the roadbed body 1 is enhanced, and collapse risks of the roadbed body are reduced. The packing layer 13 is composed of broken stones, gravels and clay, the mass ratio of the broken stones to the gravel to the clay to the concrete to the gravel to the. An impermeable geotextile 151 is arranged between the drainage layer 15 and the second soft soil layer 16, the impermeable geotextile 151 is laid at the lower part of the drainage layer 15 and is used for effectively intercepting surface water permeating from the upper part in the drainage layer 15, and the intercepted surface water is discharged out of the roadbed body 1 through the drainage layer 15, so that the surface water is prevented from carelessly entering the second soft soil layer 16 and the underground layer to pollute the underground layer structure.
Referring to fig. 1, a vertical bearing plate 17 is buried at the joint of a roadbed body 1 and a side slope body 2, the length direction of the vertical bearing plate 17 is consistent with that of the roadbed body 1, and the vertical bearing plate is perpendicular to the horizontal plane. The slope body 2 is internally provided with a plurality of groups of supporting anchor rods 28 in an inclined manner, each supporting anchor rod 28 is uniformly distributed along the inclined direction of the slope body 2, a plurality of supporting anchor rods 28 positioned on the same vertical plane form a group, and each group of supporting anchor rods 28 is uniformly distributed along the length direction of the slope body 2. The end parts of the support anchor rods 28 are fixedly connected with the side wall of the vertical bearing plate 17 through bolts.
Referring to fig. 1, lattice beams 211 are laid on the surface of the first surface layer 21, and the lattice beams 211 have a good reinforcing effect. Referring to fig. 3, the surface of the lattice beam 211 is provided with guide grooves 2111, and the guide grooves 2111 are communicated with each other. The upper surface of the side slope enclosing slope 3 is provided with a water collecting tank 31, and the length direction of the water collecting tank 31 is consistent with that of the side slope enclosing slope 3 and is communicated with the diversion trench 2111. A plurality of water outlets 311 are formed on the bottom surface of the water collection tank 31, the water outlets 311 are uniformly distributed along the length direction of the water collection tank 31, and a water guide pipe 32 is arranged at the bottom of the water outlets 311. The water guide pipe 32 penetrates the side slope surrounding slope 3 along the height direction of the side slope surrounding slope and is used for discharging surface water out of the side slope body 2 in time, so that the phenomenon that accumulated water generated on the side slope body 2 seeps downwards to corrode the inner structure of the side slope body to reduce the strength of the inner structure of the side slope body is avoided, and the problem that the heavy side slope body 2 is prone to collapse is avoided.
The implementation principle of the embodiment is as follows: the vertical bearing plate 17 is used for supporting the joint of the side slope body 2 and the roadbed body 1, so that the joint strength between the side slope body 2 and the roadbed body 1 is improved, and the problems that cracks are easy to generate and the joint is easy to collapse are solved; the support anchor rod 28 has a good support effect on the side slope body 2 and is used for improving the problem that the side slope body 2 is easy to collapse in severe weather; the support anchor rods 28 and the vertical bearing plates 17 are fixed to form an interconnected skeleton structure inside the side slope body 2 and the roadbed body 1, so that the side slope body 2 and the roadbed body 1 are reinforced, and the defect that the side slope body 2 is prone to collapse is improved.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. The utility model provides a combined type highway roadbed structure, includes roadbed body (1), side slope body (2) and side slope enclose slope (3), its characterized in that: slope body (2) are located the both sides of road bed body (1), slope enclosing slope (3) surround side slope body (2) are kept away from one side of road bed body (1), side slope body (2) from top to bottom include surface course one (21), dirt bed layer one (24), anti-filter bed course (25), rock back up coat (26) and soft soil layer one (27) in proper order, side slope body (2) with the junction of road bed body (1) is provided with vertical bearing plate (17) perpendicularly, slope body (2) internal inclination is provided with support stock (28) of wearing to establish surface course one (21), dirt bed layer one (24), anti-filter bed course (25), rock back up coat (26) and soft soil layer one (27), the tip of support stock (28) with vertical bearing plate (17) pass through the bolt fastening.
2. The composite highway subgrade structure according to claim 1, wherein: lattice beam (211) have been laid on the surface of surface course one (21), guiding gutter (2111) have been seted up on lattice beam (211), the upper surface of side slope enclose slope (3) seted up with water catch bowl (31) of guiding gutter (2111) intercommunication, outlet (311) have been seted up to the bottom of water catch bowl (31), the intercommunication has in outlet (311) and runs through perpendicularly aqueduct (32) of side slope enclose slope (3).
3. The composite highway subgrade structure according to claim 1, wherein: and a protective net layer (22) is laid between the first surface layer (21) and the first soil layer (24).
4. A composite highway subgrade structure according to claim 3, characterized in that: an anti-seepage film layer (23) is further laid between the first surface layer (21) and the first soil layer (24), and the anti-seepage film layer (23) is located on the lower portion of the protective net layer (22).
5. The composite highway subgrade structure according to claim 1, wherein: the roadbed body (1) sequentially comprises a second surface layer (11), a second soil layer (12), a concrete layer (14), a drainage layer (15) and a second soft soil layer (16) from top to bottom, wherein a packing layer (13) is arranged between the second soil layer (12) and the concrete layer (14).
6. The composite highway subgrade structure according to claim 5, wherein: and reinforcing rods (121) are embedded in the second soil layer (12).
7. The composite highway subgrade structure according to claim 5, wherein: an impermeable geotextile (151) is laid in front of the drainage layer (15) and the soft soil layer II (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021244255.XU CN213013740U (en) | 2020-06-29 | 2020-06-29 | Combined type highway subgrade structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021244255.XU CN213013740U (en) | 2020-06-29 | 2020-06-29 | Combined type highway subgrade structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213013740U true CN213013740U (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021244255.XU Active CN213013740U (en) | 2020-06-29 | 2020-06-29 | Combined type highway subgrade structure |
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|---|---|
| CN (1) | CN213013740U (en) |
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- 2020-06-29 CN CN202021244255.XU patent/CN213013740U/en active Active
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Effective date of registration: 20221024 Address after: 1908-1913, Building 3, Overseas Chinese Center, No. 1999, Qianshan Road, Administrative District, Hefei City, Anhui Province, 230031 Patentee after: Anhui Tianzhilan Ecological Environment Co.,Ltd. Address before: 230000 1908-1913, building 3, Zhongqiao center, No. 1999, Qianshan Road, administrative district, Hefei City, Anhui Province Patentee before: Anhui JIEZHI Construction Engineering Co.,Ltd. |