CN112663767A - Drainage system on highway extension project construction road surface - Google Patents
Drainage system on highway extension project construction road surface Download PDFInfo
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- CN112663767A CN112663767A CN202011420569.5A CN202011420569A CN112663767A CN 112663767 A CN112663767 A CN 112663767A CN 202011420569 A CN202011420569 A CN 202011420569A CN 112663767 A CN112663767 A CN 112663767A
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- drainage
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- 238000010276 construction Methods 0.000 title claims abstract description 27
- 238000001914 filtration Methods 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000004576 sand Substances 0.000 claims abstract description 17
- 239000000945 filler Substances 0.000 claims abstract description 8
- 238000002955 isolation Methods 0.000 claims abstract description 6
- 230000000903 blocking effect Effects 0.000 claims description 6
- 238000009825 accumulation Methods 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 239000004575 stone Substances 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000003860 storage Methods 0.000 abstract description 2
- 229920000915 polyvinyl chloride Polymers 0.000 abstract 4
- 239000004800 polyvinyl chloride Substances 0.000 abstract 4
- 238000004064 recycling Methods 0.000 abstract 1
- 238000003973 irrigation Methods 0.000 description 3
- 230000002262 irrigation Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 239000012466 permeate Substances 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Abstract
The invention relates to a drainage system for a road surface in highway extension project construction, which comprises a foundation main body and a new highway base layer, wherein a drainage ditch is formed in one side of the outer wall of the foundation main body, PVC (polyvinyl chloride) groove pipes are arranged on the periphery of the outer wall of the drainage ditch, and the new highway base layer is arranged on one side of the upper end of the foundation main body, and compared with the prior art, the drainage system has the following beneficial effects: the temporary water-blocking plate on the outer side of the original road main body limits the rainwater, so that the limited rainwater flows along the drainage slope, then the rainwater smoothly flows to the PVC groove pipe through the guide of the circular groove-shaped drainage groove on the outer wall of the new road base layer, so that stones flowing along with the water flow slide to the right side of the movable plate for temporary storage, the rainwater can fall to the upper part of the filtering device at the lower end of the PVC groove pipe along a gap, the rainwater is filtered through the double-layer isolation of the fine sand layer and the gauze layer, and then the rainwater is filtered through the filtering filler at the lower end, so that relatively clean water source recycling is obtained.
Description
Technical Field
The invention relates to the technical field of drainage systems of highway extension projects, in particular to a drainage system for a construction pavement of a highway extension project.
Background
Along with the continuous development of economy, the material living standard of people is higher and higher, particularly, the economy is developed at a high speed in coastal and middle areas, self-driving automobiles are more and more, in order to meet the requirement of the increase of the traffic volume in the areas, the widening and reconstruction of the existing expressway is necessary, particularly, the land resources of the country are relatively lack, compared with the reconstruction of the expressway, the widening of the old roadbed can fully utilize the original roadbed, shorten the construction period and occupy less construction land, but the expansion on the original expressway needs to consider more various factors, particularly in rainy days, if the road cannot be timely eliminated, the construction progress is greatly influenced, even the original expressway is damaged, the service life of the original expressway is shortened, and in order to ensure the smooth operation of the highway expansion project, the corresponding drainage system is a necessary or scarce mechanism.
In the construction of the existing highway extension project, although the importance of a drainage system to the road extension is recognized, effective measures are not provided yet, the drainage is carried out in a natural drying mode, when rainwater is accumulated on a highway, on one hand, the rainwater can permeate from a gap at the joint of an old road surface and a new road bank, the service life of the original road surface can be shortened, the quality of the new road surface can be influenced, on the other hand, a base layer on the surface of the new road bank can be caused to fall off, the solidification stability of the new road bank is influenced, the rainwater falling into the old road surface, the side slope of the old road surface and the collection of the surface of the new road bank cannot be timely and effectively collected, the rainwater cannot be smoothly discharged out of the range of the road bed, and the problem of unfavorable drainage in the construction period of the highway extension project cannot be effectively avoided.
Disclosure of Invention
The invention aims to provide a drainage system for a road surface in highway extension project construction, which aims to solve the problems that in the prior highway extension project construction proposed in the background art, although the importance of the drainage system for road expansion is realized, no effective measures are provided, and the drainage is performed in a natural drying mode, when rainwater is accumulated on a road, on one hand, the rainwater can permeate from a gap at the joint of an old road surface and a new road embankment, so that the service life of the original road surface is reduced, the quality of the new road surface is influenced, on the other hand, a base layer on the surface of the new road embankment can fall off, the solidification stability of the new road embankment is influenced, and the rainwater falling into the old road surface, the side slope of the old road surface and the surface of the new road embankment cannot be collected timely and effectively, and the water is smoothly discharged out of the range of the roadbed, so that the problem of unfavorable water discharge in the construction period of the highway extension project can not be effectively avoided.
In order to achieve the purpose, the invention provides the following technical scheme: a drainage system for the construction surface of highway extension project is composed of a foundation main body and a new highway base layer, one side of the outer wall of the foundation main body is provided with a drainage ditch, the periphery of the outer wall of the drainage ditch is provided with PVC groove pipes, the new highway base layer is arranged on one side of the upper end of the foundation main body, the original highway main body is arranged on one side of the upper end of the foundation main body, a temporary water-blocking plate is arranged on one side of the upper end of the original road main body, a drainage slope is arranged on one side of the outer wall of the original road main body, the top of the upper end of the new highway base layer is provided with a drainage groove, the upper end of the interior of the PVC groove pipe is provided with a filtering device, the upper end of the inner wall of the PVC groove pipe is provided with a fixed rod, and the outer wall both sides of dead lever are provided with the fly leaf, the inboard of dead lever and the outer wall junction of dead lever are provided with spherical bolt, filter equipment includes fine sand layer and gauze layer and filters filler and stainless steel rack.
Preferably, the foundation main body is fixedly connected with the new road base layer and the original road main body, and the foundation main body is distributed in parallel with the new road base layer and the original road main body.
Preferably, the temporary water-blocking plate is connected with the original road main body through a bolt, and the temporary water-blocking plate is distributed in an inclined 30-degree shape.
Preferably, the drainage slope is associated with the original road main body, and the drainage slope is distributed in an inclined 30-degree manner.
Preferably, the mutual gomphosis of size between escape canal and the PVC groove pipe, and the escape canal is trapezoidal form and distributes.
Preferably, the drainage trunking is uniformly distributed along the central axis of the new highway base course, and the section of the new highway base course is distributed in the shape of a semicircular groove.
Preferably, the PVC slot pipe is associated with the new road base layer, and one end of the PVC slot pipe is fixed with the new road base layer.
Preferably, constitute the parcel structure between PVC groove pipe and the filter equipment, and constitute threaded connection between PVC groove pipe and the dead lever to the dead lever passes through to constitute swing joint between spherical bolt and the fly leaf.
Preferably, the outer side of the original road main body is provided with an inclined drainage slope, the detachable temporary water-blocking plate is arranged, and meanwhile, a drainage groove is arranged on the surface of the new road base layer, so that rainwater can flow to the upper end of the new road base layer along the surface of the drainage slope under the blocking limit of the temporary water-blocking plate, and then smoothly flow to the inner wall of the PVC groove pipe through the guiding of the drainage groove on the outer wall of the new road base layer to perform drainage treatment, so that the rainwater accumulation condition of the new road base layer is avoided, and the inner side of the PVC groove pipe is subjected to filtering treatment and broken stone isolation by a filtering device.
Compared with the prior art, the invention has the following beneficial effects:
the outer side of the original road main body is provided with an inclined drainage slope, and a detachable temporary water-blocking plate is arranged to limit the flow of rainwater, a drainage groove is arranged on the surface of a new road base layer, the rainwater for limiting the flow can flow to the upper end of the new road base layer along the surface of the drainage slope, and then smoothly flows to the inner wall of a PVC groove pipe through the guide of a circular groove-shaped drainage groove on the outer wall of the new road base layer to accumulate and drain the rainwater so as to avoid the accumulation of the rainwater on the new road base layer, thereby achieving the purpose of reducing rainwater impact and infiltration on a road foundation, the movable plate in the PVC groove pipe is eccentrically distributed, so that the movable plate is inclined under the action of gravity, stones flowing along with the rainwater can slide to the right side of the movable plate for temporary storage, and the rainwater can fall to the upper end of the filtering device at the lower end along a gap, the fine sand layer through the inside upper end of filter equipment is isolated with the bilayer of gauze layer, come to carry out filtration treatment with the rainwater, and the fine sand layer is lived by gauze layer parcel, can be fine with the fine fixing of fine sand inboard at filter equipment, avoid the fine sand to wash away along with the rainwater, then filter filler through the lower extreme again, come filtration treatment, obtain relatively clean water source, and make its bottom at PVC groove pipe gather, thereby can connect irrigation equipment and processing water device, come to filter the rainwater of collecting and carry out recycle, guarantee the rational utilization of its resource.
Drawings
Fig. 1 is a schematic view of the overall structure of a drainage system for a road surface in the construction of a highway extension project according to the present invention;
FIG. 2 is a schematic view of a portion of an enlarged structure at A in FIG. 1 of a drainage system for a road surface in a highway extension project according to the present invention;
fig. 3 is a schematic top view of a fixing rod of a drainage system for a road surface in highway extension project construction according to the present invention.
In the figure: 1. a foundation main body; 2. a new highway base course; 3. an original road main body; 4. a temporary water barrier; 5. draining a slope; 6. a drainage ditch; 7. a drainage wire duct; 8. PVC slot pipes; 9. a filtration device; 901. a fine sand layer; 902. a gauze layer; 903. filtering the filler; 904. a stainless steel net rack; 10. a movable plate; 11. fixing the rod; 12. a spherical plug.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a drainage system of a road surface for highway extension project construction comprises a foundation main body 1, a new highway base layer 2, an original highway main body 3, a temporary water-blocking plate 4, a drainage slope 5, a drainage ditch 6, a drainage line groove 7, a PVC groove pipe 8, a filtering device 9, a movable plate 10, a fixed rod 11 and a spherical bolt 12, wherein the drainage ditch 6 is arranged on one side of the outer wall of the foundation main body 1, the PVC groove pipe 8 is arranged on the periphery of the outer wall of the drainage ditch 6, the new highway base layer 2 is arranged on one side of the upper end of the foundation main body 1, the original highway main body 3 is arranged on one side of the upper end of the foundation main body 1, the temporary water-blocking plate 4 is arranged on one side of the upper end of the original highway main body 3, the drainage slope 5 is arranged on one side of the outer wall of the original highway main body 3, the drainage line groove 7 is arranged on the top of the upper end, and the both sides of the outer wall of the dead lever 11 are provided with the movable plate 10, the inside of the dead lever 11 and the junction of the outer wall of the dead lever 11 are provided with the spherical bolt 12, the filter equipment 9 includes the fine sand layer 901 and the gauze layer 902 and filters the filler 903 and the stainless steel rack 904.
In the invention, the foundation main body 1 is fixedly connected with the new highway base layer 2 and the original highway main body 3, the foundation main body 1 is distributed in parallel with the new highway base layer 2 and the original highway main body 3, the whole foundation main body 1, the new highway base layer 2 and the original highway main body 3 are used as main structures in the highway extension project construction, the joints are connected in a coagulation mode, the connection strength structure stability of the whole joints can be ensured, and each road base layer is distributed in parallel, so that the horizontal stability of the whole structure can be ensured.
Constitute bolted connection between board 4 and the former highway main part 3 temporarily to hinder water, and hinder water board 4 temporarily and be the 30 degrees forms of slope and distribute, be equipped with the interim board 4 that hinders water that can dismantle on the outside of former highway main part 3, hinder water board 4 temporarily and be the even form distribution in the outside, can play the effect of current-limiting, it is spacing to carry out accumulational rainwater on the former highway main part 3, make its rainwater trickle from the clearance department of hindering water board 4 temporarily, and this interim board 4 that hinders water adopts the mode of bolt to connect, hinder water board 4 temporarily's upper end and be the 30 degrees forms of slope temporarily, can make 30 degrees forms of slope can be better accumulational rainwater, guarantee its interim long-term use who hinders water board 4.
The drainage slopes 5 are associated with the original road main body 3, the drainage slopes 5 are distributed in a 30-degree inclined manner, and the drainage slopes 5 inclined by 30 degrees are arranged on the outer side of the original road main body 3, so that rainwater can smoothly flow from the outer walls of the drainage slopes 5, impact of water flow on the new road base layer 2 is reduced, long-term use of the new road base layer 2 is guaranteed, and stability of the rainwater in a rainwater drainage process is also guaranteed.
Mutual gomphosis of size between escape canal 6 and the PVC trough pipe 8, and escape canal 6 is trapezoidal form and distributes, the outside department of new highway basic unit 2 has begun trapezoidal escape canal 6, 6 rainwater with the multilayer road surface of escape canal collects, come the rainwater emission, and trapezoidal escape canal 6 can guarantee the rainwater under the drive of gravity, the inside of smooth escape canal 6 that slides to of meeting, and be provided with the PVC trough pipe 8 of mutual gomphosis in the inboard of escape canal 6, its PVC trough pipe 8 itself has fine excellent performance, guarantee the long-term use of this escape canal 6.
The drainage line grooves 7 are uniformly distributed along the central axis of the new highway base layer 2, the section of the new highway base layer 2 is distributed in the shape of a semicircular groove, the uniform drainage line grooves 7 are formed in the surface of the new highway base layer 2, and the semicircular section of the drainage line grooves 7 can play a role in assisting sliding, so that rainwater smoothly slides on the inner wall of the drainage line grooves 7 along the two sides of the circular groove to be collected and processed.
The PVC groove pipe 8 is correlated with the new highway base layer 2, one end of the PVC groove pipe 8 is fixed with the new highway base layer 2, the PVC groove pipe 8 is fixed between the outer wall of the left side of the PVC groove pipe 8 and the new highway base layer 2 in a coagulation mode to limit the position of the PVC groove pipe 8, the horizontal plane of the PVC groove pipe 8 is higher than the horizontal plane of the joint of the new highway base layer 2, rainwater can directly fall on the inner side of the PVC groove pipe 8 when sliding down from the drainage groove 7 in the new highway base layer 2 to be discharged, and the phenomenon that rainwater permeates into the inner portion of the new highway base layer 2 is avoided.
A wrapping structure is formed between the PVC tank pipe 8 and the filtering device 9, a threaded connection is formed between the PVC tank pipe 8 and the fixed rod 11, the fixed rod 11 forms a movable connection between the spherical bolt 12 and the movable plate 10, the fixed rod 11 connected through a thread is fixed on the inner side of the PVC tank pipe 8, the upper end of the fixed rod 11 is hollow spherical, openings are arranged on two sides, the spherical bolt 12 on the inner side of the movable plate 10 can be embedded inside to ensure the stability of the connection part, the movable plate 10 is eccentrically distributed to be inclined, stones flowing along with water flow can slide to the right side of the movable plate 10 to be temporarily stored, rainwater can fall to the upper end of the filtering device 9 on the lower end along the gap, the rainwater is filtered through the double-layer isolation of the fine sand layer 901 inside the filtering device 9 and the upper end of the gauze layer 902, and the fine sand layer 901 is wrapped by the gauze layer 902, can be fine fix the fine sand 9 inboardly at filter equipment, avoid the fine sand to wash away along with the rainwater, then filter filler 903 through the lower extreme again, carry out filtration treatment, obtain relatively clean water source, and make it gather in PVC groove pipe 8's bottom, thereby can connect irrigation equipment and processing water device, carry out recycle with the rainwater that it filtered the collection, guarantee the rational utilization of its resource.
The outer side of the original road main body 3 is provided with an inclined drainage slope 5, the detachable temporary water-blocking plate 4 is arranged, a drainage groove 7 is arranged on the surface of the new road base layer 2, rainwater can flow to the upper end of the new road base layer 2 along the surface of the drainage slope 5 under the blocking limit of the temporary water-blocking plate 4, and then smoothly flows to the inner wall of the PVC groove pipe 8 to be drained under the guiding of the drainage groove 7 on the outer wall of the new road base layer 2, so that the rainwater accumulation condition of the new road base layer 2 is avoided, and the inner side of the PVC groove pipe 8 is subjected to filtering treatment and broken stone isolation by a filtering device (9).
The working principle of the embodiment is as follows: when the drainage system for the road surface in the highway extension project construction is used, the temporary water-blocking plate 4 is fixed on the outer side of the original highway main body 3 by a bolt-rivet fixing mode to play a role in limiting current, rainwater accumulated on the original highway main body 3 is limited to flow from a gap of the temporary water-blocking plate 4 and then smoothly slide on the inner wall of the drainage groove 7 along two sides of the drainage groove 7 along the drainage slope 5 inclined by 30 degrees so as to smoothly flow from the outer wall of the drainage slope 5 to reduce impact of water flow on the new highway base layer 2, when the rainwater flows to the surface of the new highway base layer 2, the rainwater can smoothly slide on the inner wall of the drainage groove 7 to slide on the inner wall of the new highway base layer 2, so that the stability of the circular groove is utilized to reduce the impact on the road surface to ensure the stability of the new highway base layer 2, and then directly fall on the inner side of the PVC groove pipe 8 from the drainage groove 7, the gathering and discharging are carried out, the horizontal top end of the left side of the PVC groove pipe 8 is fixed inside the new road base layer 2 to limit the position of the PVC groove pipe 8, the horizontal plane of the PVC groove pipe 8 is higher than the horizontal plane of the joint of the new road base layer 2 to avoid the rainwater from permeating into the new road base layer 2, the movable plate 10 at the upper end of the PVC groove pipe 8 is eccentrically distributed to be inclined, so that stones flowing along with the water flow can slide to the right side of the movable plate 10 to be temporarily stored, the rainwater can fall to the upper end of the filtering device 9 at the lower end along the gap, the rainwater is filtered by the double-layer isolation of the fine sand layer 901 at the upper end inside the filtering device 9 and the gauze layer 902, the fine sand layer 901 is wrapped by the gauze layer 902, the fine sand can be well fixed inside the filtering device 9 to avoid the fine sand from being washed away along with the rainwater, and then passes through the filtering filler 903 at the lower end, carry out filtration treatment to obtain relatively clean water source to make it gather in PVC groove pipe 8's bottom, thereby can connect irrigation equipment and processing water installation, carry out recycle with its rainwater of filtering the collection, guarantee the rational utilization of its resource.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a drainage system on highway extension project construction road surface, includes ground main part (1) and new highway basic unit (2), its characterized in that: the road traffic safety protection device is characterized in that a drainage ditch (6) is formed in one side of the outer wall of the foundation main body (1), PVC groove pipes (8) are arranged on the periphery of the outer wall of the drainage ditch (6), a new road base layer (2) is arranged on one side of the upper end of the foundation main body (1), an original road main body (3) is arranged on one side of the upper end of the original road main body (3), a temporary water blocking plate (4) is arranged on one side of the upper end of the original road main body (3), a drainage slope (5) is arranged on one side of the outer wall of the original road main body (3), a drainage groove (7) is formed in the top of the upper end of the new road base layer (2), a filtering device (9) is arranged at the upper end of the inside of each PVC groove pipe (8), a fixing rod (11) is arranged at the upper end of the inner wall of each PVC groove pipe (8), movable plates (10) are arranged on, the filtering device (9) comprises a fine sand layer (901), a gauze layer (902), filtering filler (903) and a stainless steel net rack (904).
2. The drainage system for a road extension project construction pavement of claim 1, wherein: the foundation main body (1) is fixedly connected with the new road base layer (2) and the original road main body (3), and the foundation main body (1) is distributed in a parallel shape with the new road base layer (2) and the original road main body (3).
3. The drainage system for a road extension project construction pavement of claim 1, wherein: the temporary water-blocking plate (4) is connected with the original road main body (3) through bolts, and the temporary water-blocking plate (4) is distributed in an inclined 30-degree shape.
4. The drainage system for a road extension project construction pavement of claim 1, wherein: the drainage slopes (5) are associated with the original road main body (3), and the drainage slopes (5) are distributed in an inclined 30-degree manner.
5. The drainage system for a road extension project construction pavement of claim 1, wherein: the mutual gomphosis of size between escape canal (6) and PVC trough pipe (8), and escape canal (6) are trapezoidal form and distribute.
6. The drainage system for a road extension project construction pavement of claim 1, wherein: the drainage line grooves (7) are uniformly distributed along the central axis of the new highway base layer (2), and the section of the new highway base layer (2) is distributed in the shape of a semicircular groove.
7. The drainage system for a road extension project construction pavement of claim 1, wherein: the PVC groove pipe (8) is associated with the new road base layer (2), and one end of the PVC groove pipe (8) is fixed with the new road base layer (2).
8. The drainage system for a road extension project construction pavement of claim 1, wherein: constitute the parcel structure between PVC groove pipe (8) and filter equipment (9), and constitute threaded connection between PVC groove pipe (8) and dead lever (11) to dead lever (11) constitute swing joint between through spherical bolt (12) and fly leaf (10).
9. A drainage system for a road extension work construction pavement according to claims 1 to 8, wherein: the novel road base layer rainwater drainage device is characterized in that an inclined drainage slope (5) is arranged on the outer side of an original road main body (3), a detachable temporary water blocking plate (4) is arranged, a drainage line groove (7) is formed in the surface of a new road base layer (2), rainwater can smoothly flow onto the inner wall of a PVC groove pipe (8) along the surface of the drainage slope (5) under the blocking limit of the temporary water blocking plate (4) and then flow to the upper end of the new road base layer (2), the rainwater is guided by the drainage line groove (7) in the outer wall of the new road base layer (2) to be drained, the accumulation of rainwater on the new road base layer (2) is avoided, and filtering treatment and gravel isolation are carried out on the inner side of the PVC groove pipe (8) through a filtering device (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011420569.5A CN112663767A (en) | 2020-12-07 | 2020-12-07 | Drainage system on highway extension project construction road surface |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011420569.5A CN112663767A (en) | 2020-12-07 | 2020-12-07 | Drainage system on highway extension project construction road surface |
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| CN112663767A true CN112663767A (en) | 2021-04-16 |
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| CN202011420569.5A Pending CN112663767A (en) | 2020-12-07 | 2020-12-07 | Drainage system on highway extension project construction road surface |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113718805A (en) * | 2021-09-18 | 2021-11-30 | 江西师范高等专科学校 | Geotechnical engineering side slope drainage structure |
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2020
- 2020-12-07 CN CN202011420569.5A patent/CN112663767A/en active Pending
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| KR20100127535A (en) * | 2009-05-26 | 2010-12-06 | 대우조선해양 주식회사 | Drain treatment system of drilling equipment and method |
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