CN206521804U - Excavation section drainage system - Google Patents

Excavation section drainage system Download PDF

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Publication number
CN206521804U
CN206521804U CN201720077243.4U CN201720077243U CN206521804U CN 206521804 U CN206521804 U CN 206521804U CN 201720077243 U CN201720077243 U CN 201720077243U CN 206521804 U CN206521804 U CN 206521804U
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China
Prior art keywords
water
road surface
sealant
water leg
drainage system
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CN201720077243.4U
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Chinese (zh)
Inventor
严朝锋
王宝军
柴建军
苟高峰
王辉
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First Engineering Co Ltd of China Railway 20th Bureau Group Co Ltd
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First Engineering Co Ltd of China Railway 20th Bureau Group Co Ltd
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Abstract

The utility model discloses a kind of excavation section drainage system, including the water leg for the use C20 concrete cast-in-situs for being arranged on road surface side, the permeable layer of connection sub-surface is provided with the side wall on the water leg laminating road surface, the sealant for hindering water to flow into soil is equipped with below the road surface, the sealant end is concordant with permeable layer, the water leg is provided with the water irrigating hole of connection permeable layer along the insertion of its thickness direction, the port laminating of the water irrigating hole is provided with the infiltration geotextiles for filter water, depression is provided with rhone to the trench bottom that catchments downwards, the draining groove sidewall is coated with infiltration geotextiles.The utility model improves the efficiency of road drainage by the cooperation of permeable layer and sealant, while can guarantee that few water penetration enters in roadbed, the infiltration geotextiles of draining groove sidewall can also further enhance the effect of catchmenting of drainage system.

Description

Excavation section drainage system
Technical field
The utility model is related to a kind of road drainage engineering field, more specifically, it relates to a kind of draining of excavation section System.
Background technology
At present, the drainaging scheme of preceding cut subgrade is main to set cover-plate type gutter to exclude road scope in shoulder Interior water, cover-plate type gutter is divided into the different construction case such as mortar flag stone, brick and concrete cast-in-situ again, but regardless of side Case is required for using artificial building construction after excavating, and low construction efficiency, progress is slow, and after construction is finished, in gutter model It can not be afforested in enclosing, landscape effect is poor.
The buried drainage system utilization of cut subgrade disclosed in the patent of Application No. " 201320054962.6 " will be arranged Water pipe is secretly embedded in lowly, so that drainage system influences smaller to road, but is due to that this drainage system relies only on draining Pipe catchments to realize, continues just to be easily caused drainage system when raining heavyly and can not fully catchment running into, drainpipe is filled up by rainwater, A large amount of rainwater will be penetrated into soil, cause roadbed loose, while the water on road surface also can easily be accumulated, influence user's row Sail.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of excavation for being capable of efficient draining Section drainage system.
To realize above-mentioned technical purpose, the utility model provides following technical scheme:Including being arranged on adopting for road side With the water leg of C20 concrete cast-in-situs, oozing for connection sub-surface is provided with the side wall on the water leg laminating road surface Being equipped with to be provided with below the sealant for hindering water to flow into soil, the sealant below water layer, the road surface is used for The roadbed on road surface is supported, the water leg is provided with the water irrigating hole of connection permeable layer along the insertion of its thickness direction, described to catchment Trench bottom is provided with rhone to lower recess, and the draining groove sidewall is provided with infiltration geotextiles, and the draining trench bottom is set There is the draining being provided with above the bottom being made of C15 Cement Concretes, the bottom along the length direction of rhone for draining Pipe, the trench bottom insertion of catchmenting is provided with the through hole of communicated drainage pipe.
By using above-mentioned technical proposal, rainwater falls can flow into the water leg of road surface side behind road surface along road surface, Simultaneously penetrate into road surface water also due to the obstruction of sealant and flowed to along sealant in permeable layer, water passes through meeting after permeable layer Entered by water irrigating hole in water leg, the water in water leg can be finally dropped into the drainpipe in rhone.Water compared with When big, water can be entered in soil through sealant, and the space that now water can be in soil is continued to flowing down, now rhone Neighbouring water is entered in rhone after will passing through the infiltration geotextiles in draining groove sidewall, so as to achieve efficient draining Beneficial effect.
Preferably, the road surface is provided with the infiltration groove for placing permeable layer close to the side of water leg, it is described close The bottom of sealing upper surface laminating infiltration groove, the sealant being located in infiltration groove is formed to the inclined slope shape of water irrigating hole, The sealant is located at below water irrigating hole.
By using above-mentioned technical proposal, by the slope shape of sealant so that the water for penetrating into road surface can be along sealant Pass through more quickly and entered after permeable layer in water irrigating hole, achieve the beneficial effect of enhancing drainage effect.
Preferably, the port of the water irrigating hole is filled with the infiltration geotextiles for impurity in filter water.
By using above-mentioned technical proposal, by the filtration of infiltration geotextiles, by the impurity and permeable layer in water Rubble stop outside, it is to avoid the rubble in impurity and permeable layer blocks water irrigating hole, achieves and improves the beneficial of structural soundness Effect.
Preferably, being provided with the protection board for sealing permeable layer, the protection board upper surface above the permeable layer It is concordant with road surface.
By using above-mentioned technical proposal so that permeable layer is isolated from the outside, it is to avoid extraneous debris is fallen into permeable layer, Achieve the beneficial effect of further extension drainage system service life.
Preferably, being provided with the cover plate for sealing water leg above the water leg, the water leg two ends are symmetrical It is set to the inclined slope shape of cover plate.
By using above-mentioned technical proposal, cover plate is sealed water leg, so as to avoid the impurity in the external world from entering water leg It is interior, cause through hole to block, while the water on road surface can also be guided to water leg, achieve the beneficial effect of enhancing structure steadiness Really.
Preferably, the road surface opposite side is provided with water pump, the water pump is provided with and communicated with the fountain head for water spray, The water pump other end is provided with below road surface the simultaneously flow pipe of communicated drainage groove.
By using above-mentioned technical proposal, the water in rhone is extracted out and sprayed using water pump in weather dry for a long time Road surface is sprinkled upon, dust and debris on road surface etc. is flushed in water leg by flow velocity higher current, road dust is solved It can cause that road surface roughness is relatively low when more, cause easily to skid during running car, achieve the beneficial effect of maintenance road Really.
In summary, the utility model improves the efficiency of road drainage by the cooperation of permeable layer and sealant, simultaneously It can guarantee that few water penetration enters in roadbed, the infiltration geotextiles of draining groove sidewall can also further enhance catchmenting for drainage system Effect.
Brief description of the drawings
Fig. 1 is to be used to show the diagrammatic cross-section of road wing structure in the present embodiment;
Fig. 2 is to be used to show the structural relation figure of flow pipe and road in the present embodiment.
In figure, 1, water leg;2nd, rhone;3rd, permeable layer;4th, sealant;11st, water irrigating hole;12nd, seep water geotextiles;21、 Drainpipe;22nd, bottom;31st, protection board;5th, road surface;51st, roadbed;6th, water pump;61st, fountain head;62nd, flow pipe;13rd, through hole; 14th, cover plate;15th, seep water groove.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
This specific embodiment is only to explain of the present utility model, and it is not to limitation of the present utility model, ability Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but As long as all being protected in right of the present utility model by Patent Law.
Embodiment:As shown in figure 1, a kind of excavation section drainage system, including it is arranged on the use C20 of the side of road surface 5 and mixes The permeable layer 3 of the connection lower floor of road surface 5, road are provided with the cast-in-place water leg 1 of solidifying soil, the side wall on the laminating of water leg 1 road surface 5 Face 5 is provided with the infiltration groove 15 for placing permeable layer 3 close to the side of water leg 1, the upper surface of sealant 4 laminating infiltration groove Bottom, the sealant 4 in infiltration groove is formed to the inclined slope shape of water irrigating hole 11, and sealant 4 is located at the lower section of water irrigating hole 11. Permeable layer 3 is made of the graded broken stone being made up of the rubble of a variety of different volumes, by the sky between the rubble of different volumes Gap reaches the purpose of filter water, while also adapting to the water of different flow, improves the efficiency that current pass through, it is to avoid water is larger When can cause the blocking of permeable layer 3.The top of permeable layer 3 is provided with the protection board 31 for sealing permeable layer 3, the upper table of protection board 31 Face is concordant with road surface 5, and protection board 31 is made of the larger C25 concretes of mechanical strength so that permeable layer 3 is isolated from the outside, it is to avoid Extraneous debris is fallen into permeable layer 3, achieves the beneficial effect of further extension drainage system service life.
The lower section of road surface 5 is equipped with the sealant 4 for hindering water to flow into soil, and the lower section of sealant 4 is provided with for branch The roadbed 51 on road surface 5 is supportted, sealant 4 is modified heated bitumen using SBS and rubble is mixed and is made, by being sprayed on the top layer of roadbed 51 SBS is modified heated bitumen and stone in small, broken bits, so as to realize that rubble is modified the strong bonded of heated bitumen with SBS, achieves preferably Seal water proofing property.Water leg 1 is provided with the cylindrical water irrigating hole 11 of connection permeable layer 3 along the insertion of its thickness direction, pours water The port laminating in hole 11 is provided with the infiltration geotextiles 12 for filter water, and the bottom of permeable layer 3 is set to tilt to water irrigating hole 11 Slope shape, accelerate the speed that is flowed to water irrigating hole 11 of water.The top of water leg 1 is provided with the cover plate 14 for sealing water leg 1, The two ends of water leg 1 are symmetrical arranged as to the inclined slope shape of cover plate 14.The bottom of water leg 1 is provided with rhone 2 to lower recess, row The side wall of tank 2 is coated with infiltration geotextiles 12, and infiltration geotextiles 12 are made up of terylene short fiber needle-punched geotextiles, when water is by fines soil When laminar flow enters coarse fodder soil layer, using terylene short fiber needle-punched geotextiles good gas permeability and water penetration, pass through current, and it is effective Ground current-carrying soil particle, fine sand, small building stones etc., with the stabilization for the engineering that conserves water and soil, infiltration geotextiles 12 belong to prior art, herein Do not repeat.The bottom of rhone 2 is provided with the bottom 22 being made of C15 Cement Concretes, length of the top of bottom 22 along rhone 2 Direction is provided with the drainpipe 21 for draining, and drainpipe 21 uses the DN150 double-wall corrugated pipes supported by high density polyethylene (HDPE), Strengthen the compression strength of drainpipe 21 by the corrugated outer wall of bellows, while the smooth inwall of double-wall corrugated pipe also will not Influence the circulating rate of current.The bottom insertion of water leg 1 is provided with the through hole 13 of communicated drainage pipe 21.
Rainwater falls can flow into the water leg 1 of the side of road surface 5 behind road surface 5 along road surface 5, while penetrating into the water on road surface 5 Also due to the obstruction of sealant 4 and flowed to along sealant 4 in permeable layer 3, water is by that can pass through water irrigating hole 11 after permeable layer 3 Enter in water leg 1, the water in water leg 1 can be finally dropped into the drainpipe 21 in rhone 2.When water is larger, Water can be entered in soil through sealant 4, and the space that now water can be in soil is continued to flowing down, and now rhone 2 is attached Near water is entered in rhone 2 after will passing through the infiltration geotextiles 12 on the side wall of rhone 2.
As shown in Fig. 2 the opposite side of road surface 5 is provided with water pump 6, water pump 6 is provided with and communicated with the spray larger for spraying flow velocity Head 61, the other end of water pump 6 is provided with the flow pipe positioned at the lower section of road surface 5 and communicated drainage groove 2.Water receiving pipe 62 is located at roadbed 51 It is interior, the overall structure of road is not interfered with, so as to ensure the structural soundness of road.Water pump is utilized in weather dry for a long time Water in rhone 2 is extracted out and is sprayed at road surface 5 by 6, rushes dust and debris on road surface 5 etc. by the higher current of flow velocity Into water leg 1, solve road dust it is more when can make it that road surface roughness is relatively low, cause easily to beat during running car Sliding the problem of.

Claims (6)

1. a kind of excavation section drainage system, it is characterised in that:Use C20 concrete including being arranged on road surface (5) side shows The infiltration of connection road surface (5) lower floor is provided with the water leg (1) poured, the side wall of water leg (1) laminating road surface (5) It is equipped with below layer (3), the road surface (5) below the sealant (4) for hindering water to flow into soil, the sealant (4) The roadbed (51) for supporting road surface (5) is provided with, the water leg (1) is provided with connection infiltration along the insertion of its thickness direction The water irrigating hole (11) of layer (3), water leg (1) bottom is provided with rhone (2), rhone (2) side wall to lower recess Infiltration geotextiles (12) are provided with, rhone (2) bottom is provided with the bottom (22) being made of C15 Cement Concretes, described The length direction of rhone (2) is provided with the drainpipe (21) for draining, water leg (1) bottom above bottom (22) Insertion is provided with the through hole (13) of communicated drainage pipe (21).
2. excavation section according to claim 1 drainage system, it is characterised in that:The road surface (5) is close to water leg (1) Side be provided with for placing the infiltration groove (15) of permeable layer (3), sealant (4) the upper surface laminating infiltration groove (15) Bottom, the sealant (4) being located in infiltration groove (15) is formed to water irrigating hole (11) inclined slope shape, the sealant (4) it is located at below water irrigating hole (11).
3. excavation section according to claim 1 drainage system, it is characterised in that:The port filling of the water irrigating hole (11) It is provided with the infiltration geotextiles (12) for filtering impurities in water.
4. excavation section according to claim 1 drainage system, it is characterised in that:It is provided with above the permeable layer (3) Protection board (31) for sealing permeable layer (3), protection board (31) upper surface is concordant with road surface (5).
5. excavation section according to claim 1 drainage system, it is characterised in that:It is provided with above the water leg (1) Cover plate (14) for sealing water leg (1), water leg (1) two ends are symmetrical arranged as to cover plate (14) inclined slope Shape.
6. excavation section according to claim 1 drainage system, it is characterised in that:Road surface (5) opposite side is provided with Water pump (6), the water pump (6) is provided with and communicated with the fountain head (61) for water spray, and water pump (6) other end is provided with insertion Roadbed(51) and communicated drainage groove (2) flow pipe (62).
CN201720077243.4U 2017-01-21 2017-01-21 Excavation section drainage system Active CN206521804U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720077243.4U CN206521804U (en) 2017-01-21 2017-01-21 Excavation section drainage system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720077243.4U CN206521804U (en) 2017-01-21 2017-01-21 Excavation section drainage system

Publications (1)

Publication Number Publication Date
CN206521804U true CN206521804U (en) 2017-09-26

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Application Number Title Priority Date Filing Date
CN201720077243.4U Active CN206521804U (en) 2017-01-21 2017-01-21 Excavation section drainage system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114411540A (en) * 2021-12-20 2022-04-29 云南阳光道桥股份有限公司 Transverse buried drainage ditch at rigid-flexible joint of road surface and construction method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114411540A (en) * 2021-12-20 2022-04-29 云南阳光道桥股份有限公司 Transverse buried drainage ditch at rigid-flexible joint of road surface and construction method

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