CN101624840B - Method for comprehensively discharging accumulated water of underpass roads by deep layer of filtering settling pond - Google Patents
Method for comprehensively discharging accumulated water of underpass roads by deep layer of filtering settling pond Download PDFInfo
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- CN101624840B CN101624840B CN2008101075419A CN200810107541A CN101624840B CN 101624840 B CN101624840 B CN 101624840B CN 2008101075419 A CN2008101075419 A CN 2008101075419A CN 200810107541 A CN200810107541 A CN 200810107541A CN 101624840 B CN101624840 B CN 101624840B
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Abstract
The invention relates to a method for comprehensively discharging accumulated water of underpass roads by a deep layer of a filtering settling pond. A water collecting well (4) is arranged below side ditches (3) on both sides of an intersecting road of a road main line (1) and an intersected road (2); the side of the well is provided with an settling pond (6); and the water collecting well (4) and the settling pond (6) are connected by a drainage pipe (5). The inside of the settling pond is provided with an infiltration well (12) penetrating a pond bottom (7). An inlet of the infiltration well (12) is covered by a filter net (10); the wall of the infiltration well is distributed with holes; the filter net (10) is covered by a filter layer (9); and the lower body of the infiltration well is wound by a filter layer (9). The periphery of the lower end of the infiltration well (12) is filled with a layer of gravels (11), and the periphery of the end head is sequentially provided with an impermeable layer (14) and a permeable soil layer (15) downwards. Due to simple arrangement and reasonable design, the method ensures that rainwater on the road surface can infiltrate into a deep underground permeable soil layer after decontamination treatment under the condition of higher groundwater level, drains sewage and supplements groundwater quickly, and has quick effect, economy and environmental protection.
Description
Technical field
The invention belongs to the highway engineering technical field, relate in particular to and a kind ofly be applicable to that underpass type after the Expressway Embankment height reduces is by the ponding method for removing on dealings road.
Background technology
For reducing the express highway roadbed depth of fill, guarantee that simultaneously the ground rainwater that underpass type is compiled by the dealings road can in time get rid of, do not influence the normal current of underway under general rainfall intensity, water discharge method commonly used mainly contains awning draining, evaporation basin draining and methods such as seepage pit or sewer draining.Wherein the major defect of awning draining is that employed waterproofing materials is aging easily, the cost height, and the replacing and the maintenance cost of awning are bigger.And this mode causes underway ponding easily; The major defect of evaporation basin draining is that occupation of land is more, and cost is corresponding bigger than normal, and can't satisfy drainage requirement when raining in torrents, and also causes underway ponding easily; Though and seepage pit or sewer drainage pattern road pavement runoff have certain damming and the diafiltration catharsis, but when underground water level is higher, water can't ooze down drains, drainage effect is bad, when especially running into rainstorm weather, the easy ponding of underway, influence is current, also might produce pollution to surrounding enviroment and underground water.
Summary of the invention
The technical problem to be solved in the present invention is, deficiency at the prior art existence, a kind of method of comprehensively discharging accumulated water of underpass roads by deep layer of filtering settling pond is provided, use this method higher in groundwater table, in the time of can not removing underway seeper of superficial layer, can make underway surface flow rainwater through compiling and decontamination is penetrated in the deep layer underground water-permeable soil layer after handling, and recharge groundwater, thereby good social economy and environmental benefit obtained.
Solution of the present invention is that the method for described a kind of comprehensively discharging accumulated water of underpass roads by deep layer of filtering settling pond with reference to Fig. 1, is to be divided into a collecting well 4 at road main line 1 and underpass type by the cross way both sides gutter 3 on dealings road 2 or covered conduit.Collecting well 4 sides are established a sedimentation basin 6.Establish an infiltration well 12 in this sedimentation basin 6 and be passed down through at the bottom of the pond 7.Infiltration well 12 protrudes upward at the bottom of the pond 7 inlet one end cap and puts a screen pack 10.Cloth hole on 7 the part borehole wall at the bottom of infiltration well 12 protrudes upward the pond, hole area are not less than described infiltration well 12 and protrude upward at the bottom of the pond 30% of 7 part borehole wall area.Screen pack 10 tops cover one deck filtration beds 9, and the infiltration well 12 well body peripheries of screen pack 10 belows are also around one deck filtration beds 9.Infiltration well 12 passes at the bottom of the pond 7 lower end well body periphery and fills one deck sandstone 11.Infiltration termination, well 12 lower end periphery is downwards water barrier 14 and permeable ground 15 successively.Infiltration well 12 passes water barrier 14 and stretches to permeable ground 15, infiltration well 12 passes cloth hole on the borehole wall of one section well body that water barrier 14 stretches to permeable ground 15, hole area be not less than described infiltration well 12 pass one section well body under the water barrier 14 borehole wall area 30%, at water proof interval well body periphery around filling one deck roof clay ball layer 13.Pass on the borehole wall of one section well body under the water barrier 14 around one deck sand net 16 at infiltration well 12.Use a gutter 5 to connect described collecting well 4 and described sedimentation basin 6, utilize the filtration beds 9 in the described sedimentation basin 6 and the sieving function of screen pack 10 to filter, remove suspension in above-mentioned gutter 3 or covered conduit and the sedimentation basin 6, ammonia nitrogen, heavy metal ion one pollutant and obtain to discharge through the rainwater percdation of purified treatment.
When the method for comprehensively discharging accumulated water of underpass roads by deep layer of filtering settling pond of the present invention comes into operation, its collecting well 4 places trackside gutter 3 or covered conduit below, sedimentation basin 6 bottoms place water table, connect with gutter 5 pipes between the two, can make gutter 3 or covered conduit institute product path surface flow rainwater flow into collecting well 4, flow into sedimentation basin 6 through gutter 5 then, filtration beds in sedimentation basin 69 filters layer by layer with screen pack 10 again, discharges the rainwater of the above-mentioned purified treatment of process behind the pollutant in the elimination pavement runoff in the percdation mode by infiltration well 12.
The invention has the beneficial effects as follows, because a kind of like this method of comprehensively discharging accumulated water of underpass roads by deep layer of filtering settling pond, be proved to be reasonable in design through practice test, be provided with simple, underway surface flow rainwater is compiled after, handle through decontamination, when groundwater table is higher, be penetrated into deep layer underground water-permeable soil layer, get rid of fast and eliminate pollutant in the rainwater, and additional underground water, so in highway engineering construction very easy applying.That this method has is effective, instant effect, less investment, environmental protection, economic characteristics, can obtain good social economy and environmental benefit.
Description of drawings
Fig. 1 is the enforcement view of a specific embodiment of the present invention, is denoted as among the figure:
1-road main line, 2-be by the dealings road,
The 3-gutter, the 4-collecting well,
The 5-gutter, the 6-sedimentation basin,
At the bottom of the 7-pond, 8-dash low bank between fields,
The 9-filtration beds, the 10-screen pack,
The 11-sandstone, 12-permeates well,
13-clay ball layer, the 14-water barrier,
The 15-permeable ground, 16-sand net.
The specific embodiment
Embodiment 1, and referring to Fig. 1, among this embodiment, collecting well 4 is located at road main line 1 and underpass type by under the cross way both sides gutter 3 on dealings road 2.Sedimentation basin 6 adopts steel concrete to build and builds, and is located in the soil layer under the collecting well 4 side groundwater table.Also adopt the concrete back cover at the bottom of the pond of sedimentation basin 6, coaxial line is provided with the infiltration well 12 that a caliber is the steel pipe material of ￠ 10cm downwards in sedimentation basin 6 cell cavities.Adopt commercially available ordinary steel silk screen to be placed on end entrance on the infiltration well 12 as screen pack 10, infiltration well 12 protrudes upward at the bottom of the pond 7 the high 1m of part, cloth hole on the borehole wall, and hole area is not less than described infiltration well 12 and protrudes upward at the bottom of the pond 30% of 7 part borehole wall area.Screen pack 10 tops cover one deck vermiculite filtration beds 9, and the infiltration well 12 well body peripheries of screen pack 10 belows are also around coating one deck filtration beds 9.It is the commercially available common vermiculite grid of 2m * 2m * 1.5m that above-mentioned filtration beds 9 adopts specification.This grid is made up of the vermiculite grid layer of solid vermiculite granule.Infiltration well 12 passes at the bottom of the pond 7 lower end well body periphery and fills one deck sandstone 11.Infiltration termination, well 12 lower end periphery is downwards water barrier 14 and permeable ground 15 successively, promptly permeating well 12 passes water barrier 14 and stretches to permeable ground 15, infiltration well 12 passes cloth hole on the borehole wall of one section well body under the water barrier 14, hole area be not less than described infiltration well 12 pass one section well body under the water barrier 14 borehole wall area 30%, fill one deck roof clay ball layer 13 at water proof interval well body periphery.Pass on the borehole wall of one section well body under the water barrier 14 around one deck sand net 16 at infiltration well 12, it is the commercially available ordinary steel silk screen of ￠ 1mm that sand net 16 adopts apertures.Gutter 5 pipes lead to and connect collecting well 4 bottoms and sedimentation basin 6.It is the steel concrete material of ￠ 75cm that the gutter 5 of connection collecting well 4 and sedimentation basin 6 also adopts caliber.For avoided multi-pollutant especially solid pollutant pour in gutter 3 or covered conduit, on the both sides furrow dam of described gutter 3 or covered conduit, build and build one deck road water low bank between fields 8.
Embodiment 2, and collecting well 4 is located at road main line 1 and underpass type by under the cross way both sides covered conduit on dealings road 2.Sedimentation basin 6 adopts bellows to build.Other is with embodiment 1.
The method of this comprehensively discharging accumulated water of underpass roads by deep layer of filtering settling pond of the present invention, through testing in big wide Hengshui, speedway Hebei to the your name's section many places of China, it is good to be proved to be drainage effect, reach designing requirement fully, but especially be suitable for shallow and the situation that the charge for remittance amount is bigger of groundwater table, clean blowdown rate has truly obtained good social economy and environmental benefit up to more than 95%.
Claims (2)
1. the method for a comprehensively discharging accumulated water of underpass roads by deep layer of filtering settling pond, this method is to be divided into a collecting well (4) at road main line (1) and underpass type by the cross way both sides gutters (3) of dealings road (2) or covered conduit, establish a sedimentation basin (6) in collecting well (4) the side underground water, establish an infiltration well (12) in this sedimentation basin (6) and be passed down through (7) at the bottom of the pond, infiltration well (12) protrudes upward at the bottom of the pond inlet one end cap of (7) and puts a screen pack (10), cloth hole on the part borehole wall of (7) at the bottom of infiltration well (12) protrudes upward the pond, hole area be not less than described infiltration well (12) protrude upward (7) at the bottom of the pond part borehole wall area 30%, screen pack (10) top covers one deck filtration beds (9), infiltration well (12) the well body periphery of screen pack (10) below is also around one deck filtration beds (9), infiltration well (12) passes the lower end well body periphery of (7) at the bottom of the pond and fills one deck sandstone (11), infiltration well (12) termination, lower end periphery is downwards water barrier (14) and permeable ground (15) successively, infiltration well (12) passes water barrier (14) and stretches to permeable ground (15), infiltration well (12) passes cloth hole on the borehole wall of one section well body under the water barrier (14), hole area be not less than described infiltration well (12) pass one section well body under the water barrier (14) borehole wall area 30%, fill one deck roof clay ball layer (13) at water proof interval well body periphery, pass on the borehole wall of one section well body under the water barrier (14) around one deck sand net (16) at infiltration well (12), use a gutter (5) pipe to lead to and connect described collecting well (4) and described sedimentation basin (6), utilize filtration beds (9), filter screen (10) is removed the infiltration of must purifying waste water of pollutant in above-mentioned gutter (3) or covered conduit and the sedimentation basin (6) and is discharged.
2. the method for comprehensively discharging accumulated water of underpass roads by deep layer of filtering settling pond according to claim 1 is characterized in that, builds on the both sides furrow dam of described gutter (3) or covered conduit and builds one deck dash low bank between fields (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101075419A CN101624840B (en) | 2008-12-22 | 2008-12-22 | Method for comprehensively discharging accumulated water of underpass roads by deep layer of filtering settling pond |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101075419A CN101624840B (en) | 2008-12-22 | 2008-12-22 | Method for comprehensively discharging accumulated water of underpass roads by deep layer of filtering settling pond |
Publications (2)
| Publication Number | Publication Date |
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| CN101624840A CN101624840A (en) | 2010-01-13 |
| CN101624840B true CN101624840B (en) | 2010-10-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008101075419A Expired - Fee Related CN101624840B (en) | 2008-12-22 | 2008-12-22 | Method for comprehensively discharging accumulated water of underpass roads by deep layer of filtering settling pond |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182242B (en) * | 2011-04-06 | 2012-05-30 | 清华大学深圳研究生院 | Rainwater treatment system and rainwater treatment method |
| CN103510441B (en) * | 2013-10-16 | 2015-06-17 | 江苏省镇江市路桥工程总公司 | Three-dimensional-drainage roadbed structure for preventing water damage of road in cold region and construction method thereof |
| CN106436820A (en) * | 2016-11-28 | 2017-02-22 | 管丽环境技术(上海)有限公司 | Rainwater seepage and drainage equipment for municipal administration and installing method thereof |
| CN109505214A (en) * | 2018-11-30 | 2019-03-22 | 苏州国通建设工程有限公司 | A kind of silt section road foundation ecological drainage system and construction method |
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Owner name: CHANGSHA UNIVERSITY OF SCIENCES+TECHNOLOGY HEBEI E Owner name: PREPARATION AND CONSTRUCTION OFFICE, HENGDA SECTIO Free format text: FORMER OWNER: CHANGSHA UNIVERSITY OF SCIENCES+TECHNOLOGY Effective date: 20110117 |
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Inventor after: Liao Jijian Inventor after: Wei Hongbin Inventor after: Liu Chaohui Inventor after: Bai Fenghuai Inventor after: Xu Lei Inventor after: Qin Renjie Inventor after: Li Jianjun Inventor after: Chen Junchao Inventor after: Luo Lihong Inventor after: Zhou Kefeng Inventor before: Liu Chaohui Inventor before: Liao Jijian Inventor before: Qin Renjie Inventor before: Zhou Kefeng |
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Free format text: CORRECT: INVENTOR; FROM: LIU ZHAOHUI LIAO JIXIA QIN RENJIE ZHOU KEFENG TO: LIAO JIXIA LIU ZHAOHUI BAI FENGHUAI XU LEI QIN RENJIE LI JIANJUN CHEN JUNZHAO LUO LIHONG ZHOU KEFENG WEI HONGBIN Free format text: CORRECT: ADDRESS; FROM: 410076 NO.45, CHILING ROAD, TIANXIN DISTRICT, CHANGSHA CITY, HU NAN PROVINCE TO: 050030 NO.509, YUHUA EAST ROAD, YUHUA DISTRICT, SHIJIAZHUANG CITY, HEBEI PROVINCE |
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Effective date of registration: 20110117 Address after: 050030 No. 509 East Yuhua Road, Yuhua District, Hebei, Shijiazhuang Co-patentee after: Changsha University of Sciences and Technology Patentee after: Hebei Daguang Highway Hengda Section preparatory office Co-patentee after: Hebei Institute of hydrogeology and engineering geology Address before: 410076 Hunan province Changsha Tianxin Qu Chi Ling Road No. 45 Patentee before: Changsha University of Sciences and Technology |
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