CN106065656A - Guard system and construction method is oozed under the regularization of Collapsible Loess District rainwater - Google Patents

Guard system and construction method is oozed under the regularization of Collapsible Loess District rainwater Download PDF

Info

Publication number
CN106065656A
CN106065656A CN201610473474.7A CN201610473474A CN106065656A CN 106065656 A CN106065656 A CN 106065656A CN 201610473474 A CN201610473474 A CN 201610473474A CN 106065656 A CN106065656 A CN 106065656A
Authority
CN
China
Prior art keywords
soil layer
layer
soil
rainwater
guard
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610473474.7A
Other languages
Chinese (zh)
Other versions
CN106065656B (en
Inventor
卢金锁
高源原
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xian University of Architecture and Technology
Original Assignee
Xian University of Architecture and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xian University of Architecture and Technology filed Critical Xian University of Architecture and Technology
Priority to CN201610473474.7A priority Critical patent/CN106065656B/en
Publication of CN106065656A publication Critical patent/CN106065656A/en
Application granted granted Critical
Publication of CN106065656B publication Critical patent/CN106065656B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/10Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
    • E03F5/103Naturals or landscape retention bodies, e.g. ponds
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C3/00Foundations for pavings
    • E01C3/06Methods or arrangements for protecting foundations from destructive influences of moisture, frost or vibration
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B3/00Methods or installations for obtaining or collecting drinking water or tap water
    • E03B3/40Other devices for confining, e.g. trenches, drainage

Abstract

The invention discloses and under the regularization of Collapsible Loess District rainwater, ooze guard system and construction method, by arranging recessed greenery patches and waterproof geotextiles, while collapsible loess soil property safety and stability, lower milliosmolarity is maximized below protection road;Utilize recessed greenery patches and the water-retention of soil self, under blend detergent power, by rainfall direct compensation urban groundwater system, improve rainwater utilization, ensure that down water quality and the water yield oozing rainwater simultaneously, the recessed greenery patches construction comparing lower section all parcels is simple, and Financial cost is relatively low.The guard system construction of the present invention is simple, and Financial cost is relatively low, and relatively common laying more saves geotextiles consumption, provides Collapsible Loess District and oozes guard system under the regularization of the most recessed a kind of greenery patches rainwater.

Description

Guard system and construction method is oozed under the regularization of Collapsible Loess District rainwater
Technical field
The present invention relates to ooze guard system under the rainwater of a kind of recessed greenery patches, particularly to a kind of Collapsible Loess District rain Guard system and construction method is oozed under the regularization of water.
Background technology
In recent years, during rainy season, city is attacked by torrential rain often, and most areas there will be the hydrops waterlogging of short time, causes The waterlogging disaster that city is serious.On the one hand, concentration Heavy Rain easily occurs due to urban heat land effect, and heavy rain flood peak flow velocity Hurry up, flow big so that the surface gathered water serious runoff concentration time reduces, and urban rainwater system bearing power is not enough;On the other hand, soon The urbanization of speed makes the permeable region of urban surface less and less, and rainwater drops to road surface and cannot ooze down, and storm sewer overflows rear rain Water can only come together in road surface, forms waterlogging, causes serious economic loss.Meanwhile, China's total water inadequate resource, for meeting city The requirement of city's water consumption, people strengthen the exploitation to subsoil water;Meanwhile, rainfall-under ooze-evaporate-rainfall be regional water circulation Core link, and city hard surface is difficult to provide enough lower milliosmolaritys, subsoil water supplements deficiency so that level of ground water is in year by year The trend successively decreased, the accident sinking in road surface is of common occurrence.
For the problem of rainwater, country proposes the theory in " sponge city ", strengthens municipal water permeability, emphasizes preferential profit Organize rainwater with " green " measures such as grass planting ditch, Rain Garden, recessed greenery patchess, reached rain time " water suction, water-retention, infiltration, Water purification " needs.
But, Loess Area of Northwest China soil property mostly is collapsible loess, and under naturalness, its intensity is high, compressibility is little, and By after water-soaked under certain pressure, Soil structure is impaired, intensity declines, soil layer subsides.How high ordinary road afforested areas greenery patches is In or put down in road surface, without hydrops during rainfall, soil infiltration amount of rainfall is less;And new road of based on " sponge city " theory is green Ground uses recessed greenery patches more, and during rainfall, road surface, both sides has rainwash to import formation hydrops, and most areas are by recessed greenery patches district Territory rainwater infiltration recharge groundwater realizes rainwater and returns utilization, makes city accommodate more rainfalls.At present, logical under this soil condition Often it is not provided with recessed greenery patches, to prevent rainwater infiltration from making lower floor's Loess Collapsibility cause the destruction of pavement structure;If arranging recessed Greenery patches, is generally selected greenery patches structure section and all lays geotextiles, with prevent rainwater enter loess, in aforesaid way or can not under Ooze rainwater or rainwater cannot penetrate into lower soil and need substantial amounts of geotextiles, uneconomical.
Summary of the invention
For solving the problems referred to above, it is an object of the invention to, it is provided that under the regularization of a kind of Collapsible Loess District rainwater Ooze guard system and construction method, it is possible to ensure to ooze under the regularization of more rainwater, and will not be to saturated yielding after making rainwater infiltration Property Canal in Loess Area pavement structure damages, and rainwater can be returned underground by construction economy simultaneously.
In order to realize above-mentioned task, the present invention adopts the following technical scheme that:
Guard system is oozed, including subgrade compaction soil layer, subgrade compaction soil layer under the regularization of Collapsible Loess District rainwater For the upper soil horizon of original state soil layer, laying road structure sheaf above subgrade compaction soil layer, described guard system also includes recessed green Ground, recessed greenery patches from top to bottom sequentially passes through described road structure layer and subgrade compaction layer, and the bottom in recessed greenery patches is former with described Shape soil layer contacts;It is provided with waterproof geotextiles between one side and the described subgrade compaction soil layer in recessed greenery patches.
Specifically, described recessed greenery patches includes gravel layer, medium-sand seam, mixed soil and the kind laid the most successively Plant soil layer;Described recessed greenery patches also includes the rain pipe being vertically arranged, and the bottom of rain pipe from top to bottom sequentially passes through planting soil Layer, mixed soil, medium-sand seam and gravel layer, the bottom of rain pipe connects urban rainwater pipeline.
Specifically, described gravel layer is arranged in described original state soil layer, and described medium-sand seam and mixed soil are arranged on institute Stating in subgrade compaction soil layer, described plantation soil layer is arranged in described road structure layer.
Specifically, described subgrade compaction soil layer contacts with described medium-sand seam and mixed soil one side and horizontal plane Angle is 45 °.
Specifically, between described medium-sand seam, mixed soil and plantation soil layer and subgrade compaction soil layer, form gap, described Waterproof geotextiles is arranged in gap, is separated with medium-sand seam, mixed soil and plantation soil layer by subgrade compaction soil layer.
Specifically, the mouth of pipe of described rain pipe is 100mm with distance d on described plantation soil layer surface.
Ooze the construction method of guard system under the regularization of described Collapsible Loess District rainwater, comprise the following steps:
Step one, is compacted the upper soil horizon of original state soil layer, forms subgrade compaction soil layer, after compacting, determines recessed greenery patches Border, both sides in subgrade compaction soil layer, digs down to subgrade compaction soil layer bottom surface at side boundary, another Lateral boundaries is sentenced and is dug to subgrade compaction soil layer bottom surface under the side slope degree of 1:1, and roots out the soil between border, both sides, subgrade compaction Forming the bar shaped laying groove that longitudinal section is right-angled trapezium in soil layer, a side of bar shaped laying groove is with respect to the horizontal plane for tilting Face;
Step 2, in original state soil layer, the border, both sides along the bottom surface of bar shaped laying groove is dug down, and roots out Original state soil layer soil between border, both sides, forms the first groove that longitudinal section is rectangle in original state soil layer;
Step 3, the top of the subgrade compaction soil layer of the both sides of bar shaped laying groove laying road structure sheaf, Liang Gedao respectively The second groove that longitudinal section is rectangle is formed between line structure layer;It it is the road knot above the side of inclined plane in bar shaped laying groove Structure layer is first line structure layer, leaves space, this sky between border and the bottom surface of bar shaped laying groove of first line structure layer Gap forms waterproof geotextiles mounting platform;
Step 4, is that waterproof geotextiles is laid, along the length of bar shaped laying groove in the side of inclined plane in bar shaped laying groove Direction overlaps multiple waterproof geotextiles;The top of waterproof geotextiles bends one fixed width and is laid in waterproof geotextiles mounting platform On, the remainder of waterproof geotextiles is laid in inclined plane;
Step 5, vertically-mounted rain pipe, the bottom of rain pipe from top to bottom sequentially passes through described second groove, bar shaped paving If groove and the first groove;The bottom of rain pipe connects with urban rainwater pipeline;
Step 6, lays gravel layer in the first groove, lays medium-sand seam in bar shaped laying groove the most successively And mixed soil, in the second groove, lay plantation soil layer;
Step 7, in plantation soil layer, plantation adapts to local climate and waterlogging plant.
Compared with prior art, the present invention has following technical effect that
1, recessed greenery patches is applied to Collapsible Loess District road, simultaneously collapsible loess soil property below protection road, Safer stable compared to the recessed greenery patches not applying protection, subsiding of road structure will not be caused because oozing under rainwater Destroy;Utilize recessed greenery patches and the water-retention of soil self, under blend detergent power, by rainfall direct compensation Urban Underground water system System, improves rainwater utilization, ensure that down water quality and the water yield oozing rainwater simultaneously.
2, the present invention only arranges waterproof geotextiles in the motor vehicles side in recessed greenery patches, and rainwater can guide bicycle one Side, it is possible in stoping the original state soil layer being entered motor vehicles one side-lower by the rainwater oozed under recessed greenery patches, play regularization water guide Effect.Comparing the recessed greenery patches construction all wrapped up by waterproof geotextiles lower section simple, Financial cost is relatively low, and can make More rainwater infiltration returns underground.
3, the guard system construction of the present invention is simple, and Financial cost is relatively low, and relatively common laying more saves geotextiles consumption, right Collapsible Loess District provides oozes guard system under the regularization of the most recessed a kind of greenery patches rainwater.
Accompanying drawing explanation
Fig. 1 is the half range road schematic diagram arranging recessed greenery patches;
Fig. 2 is that recessed greenery patches plane is confluxed schematic diagram;
Fig. 3 is guard system schematic diagram between motor-driven bicycle lane;
Fig. 4 is footpath side guard system schematic diagram;
Fig. 5 is simulation design sketch after Fig. 2 guard system rainfall;
Fig. 6 is the distribution of 10min rainfall and accumulated rainfall variation diagram;
Fig. 7 be rain pipe the mouth of pipe from plantation soil layer surface distance different time, in recessed greenery patches depth of detention seeper become Change figure;
Fig. 8 is the change of moisture content curve of observation station 1,2 in Fig. 5;
Fig. 9 be rain pipe the mouth of pipe from plantation soil layer surface distance different time, water content variation diagram in recessed greenery patches;
Each label implication in figure: 1 original state soil layer, 2 subgrade compaction soil layers, 3 road structure layers, 4 recessed greenery patchess, 4-1 gravel layer, 4-2 medium-sand seam, 4-3 mixed soil, 4-4 kind plants soil layer, 4-5 rain pipe, 5 bar shapeds layings Groove, 6 first grooves, 7 second grooves, 8 waterproof geotextiles mounting platforms, 9 waterproof geotextiles, 10 central strips Band, 11 motor vehicles Che Xing roads, the 12 motor-driven recessed greenery patchess of bicycle lane part, 13 bicycle Che Xing roads, 14 People's Bank of China Road, the 15 recessed greenery patchess of footpath side, 16 median strips, 17 motor vehicles driveways, 18 motor-driven bicycle lanes Between recessed greenery patches, 19 bicycle driveways, 20 footpath, the 21 recessed greenery patchess of footpath side, 22 kerbstones, 23 kerbstone discharge outlet.
With detailed description of the invention the solution of the present invention done below in conjunction with the accompanying drawings and explain in further detail and illustrate.
Detailed description of the invention
Seeing Fig. 1, recessed greenery patches is adjacent with urban road, when being applied to different road surface laying, may be disposed at diverse location, Motor vehicles side antiseepage (to bicycle side water guide) is taked time between motor vehicles and bicycle lane, or in footpath side greenery patches Time alternative use pavement side antiseepage (to side, greenery patches water guide), or take time between driveway and footpath driveway side prevent Ooze (to pavement side water guide).Road is provided with the gradient to direction, greenery patches, and roadside arranges the kerbstone 22 higher than road surface, kerbstone 22 On be provided with kerbstone discharge outlet 23 so that rainwater can enter in recessed greenery patches.
See Fig. 3, the collapsible loess ground as a example by laying recessed greenery patches by between motor-driven bicycle lane below, to the present invention Ooze guard system under the regularization of district's rainwater to illustrate, ooze guard system under the regularization of Collapsible Loess District rainwater and include Subgrade compaction soil layer 2, subgrade compaction soil layer 2 is the upper soil horizon of original state soil layer 1, at the original state soil layer more than 1 of Loess Area of Northwest China For collapsible loess, laying road structure sheaf 3 above described subgrade compaction soil layer 2, described guard system also includes recessed greenery patches 4, recessed greenery patches 4 from top to bottom sequentially passes through described road structure layer 3 and subgrade compaction layer 2, and the bottom in recessed greenery patches 4 is with described Original state soil layer 1 contacts;It is provided with waterproof geotextiles 9 between one side and the described subgrade compaction soil layer 2 in recessed greenery patches 4.
The present invention only arranges waterproof geotextiles 9 in the motor vehicles side in recessed greenery patches, and rainwater can guide bicycle one Side, it is possible to stop the rainwater oozed for 4 times by recessed greenery patches to enter subgrade compaction soil layer 2 and the undisturbed soil of settlement by soaking of motor vehicles side In layer 1, comparing and all wrapped up by waterproof geotextiles below recessed greenery patches 4, the guard system construction of the present invention is simple, Financial cost Relatively low.Utilize recessed greenery patches and the water-retention of soil self, under blend detergent power, by rainfall direct compensation Urban Underground water system System, improves rainwater utilization, ensure that down water quality and the water yield oozing rainwater simultaneously.
Described recessed greenery patches 4 includes being equipped with gravel layer 4-1, medium-sand seam 4-2, mixed soil 4-3 the most successively With plantation soil layer 4-4;Described recessed greenery patches 4 also includes the rain pipe 4-5 being vertically arranged, and the bottom of rain pipe 4-5 is from top to bottom Sequentially pass through plantation soil layer 4-4, mixed soil 4-3, medium-sand seam 4-2 and the connection city, bottom of gravel layer 4-1, rain pipe 4-5 City's storm sewer.In mixed soil 4-3, original state soil layer 1 is 1:1 with the ratio of fine sand.
In the plantation soil layer 4-4 in described recessed greenery patches 4, plantation adapts to local climate and waterlogging plant, is laying anti-water and soil Short shrub is planted in the side of work cloth 9, and high megaphanerophyte is planted in another side, to prevent waterproof geotextiles 9 from affecting arbor planting depth.
Described gravel layer 4-1 is arranged in described original state soil layer 1, and described medium-sand seam 4-2 and mixed soil 4-3 is arranged on In described subgrade compaction soil layer 2, described plantation soil layer 4-4 is arranged in described road structure layer 3.Described gravel layer 4-1 can Increase the water penetration of recessed greenery patches 4 bottom, make the water oozed for 4 times by recessed greenery patches farthest flow into underground and supplement Urban Underground Water.
One side that described subgrade compaction soil layer 2 contacts with described medium-sand seam 4-2 and mixed soil 4-3 and horizontal plane Angle is 45 °.Seam is formed between described medium-sand seam 4-2, mixed soil 4-3 and plantation soil layer 4-4 and subgrade compaction soil layer 2 Gap, described waterproof geotextiles 9 is arranged in gap, by subgrade compaction soil layer 2 and medium-sand seam 4-2, mixed soil 4-3 and plantation Soil layer 4-4 separates, and waterproof geotextiles 9 is also 45 ° with the angle of horizontal plane.Unfavorable rainfall is simulated according to HYDRUS-2D software Under the conditions of, the different waterproof geotextiles 9 laying form, draw the waterproof geotextiles 9 of vertical rotation 45 °, both can ensure that bottom The permeable area of section of soil layer is not less than the total area of section in greenery patches 50%, collapsible loess soil property safety and stability below protection road Lower milliosmolarity is maximized simultaneously.
In described recessed greenery patches 4, soil is laid in layering, and the 200mm being wherein less than under waterproof geotextiles 9 is gravel layer, on it Being medium-sand seam for 300mm, it is the mixed soil 4-3 of original state soil layer and fine sand 1:1, upper covering 400-500mm kind is planted Soil layer 4-4, strengthens its water penetration, changes field soil and improves permeability, makes rainwater quickly penetrate into after entering recessed greenery patches 4, makes recessed Greenery patches carries more rainwater, utilizes original soil simultaneously, and not all soil removal and replacement, relatively inexpensive, thus make up owing to laying waterproof Geotextiles 9 and the part that reduces receive water and soil layer, it is ensured that and improve the permeable total amount in recessed greenery patches.
The mouth of pipe of described rain pipe 4-5 is 10cm with distance d on plantation soil layer 4-4 surface, and rain pipe 4-5 is used for accepting height In the rainwater of its height, prevent owing to the situation on the rainwater backflow road surface that power deficiency causes is accepted in recessed greenery patches 4.This distance value d The simulation of selection gist HYDRUS-2D software, select the length of least favorable condition to last rainfall sight, according to Xi'an 1961- Rainfall data in 2014, the length selecting rainfall intensity i=0.9cm/h, rainfall duration to be 12h lasts rainfall, recessed greenery patches loess Infiltration coefficient is Ks=0.53cm/h, chooses carriageway width 10m, sidewalk width 3m, recessed greenery patches width 2.7m, determines total Catchment area 785, greenery area 135, ratio of green space 17.2%.The difference under rainfall sight is lasted in setting length in recessed greenery patches The greenery patches depth of accumulated water of the recessed degree of depth with the change of rainfall as it is shown in fig. 7, rainfall sight long is lasted setting in recessed greenery patches Under the recessed degree of depth of difference recessed greenery patches water content with rainfall change as shown in Figure 9;The top of rain pipe 4-5 and kind The distance planting soil layer 4-4 surface is set to 5cm, 10cm, 15cm, the water content in recessed greenery patches, and settlement by soaking does not occur because of loess The water content upper limit selected is 0.20cm3·cm-3, the most above-mentioned distance d is that the recessed greenery patches of 5cm and 10cm meets requirement;Root According to Fig. 7, simultaneously in order to ensure the maximum water accumulating volume in recessed greenery patches, distance d selects 10cm.
If Fig. 3 is recessed greenery patches between motor-driven bicycle lane, between driveway footpath, recessed greenery patches also can be selected for this kind of knot Structure;Fig. 4 is that the recessed greenery patches of footpath side arranges structure chart, and one side arranges geotextiles and can make down to ooze rainwater and more enter separately Side, thus protect the side that structural requirement is higher.
Seeing Fig. 5, choose observation station in the guard system of the present invention, simulation water content schematic diagram as shown in Figure 8, is observed Change of moisture content situation such as Fig. 8 of point 1,2, observation station 1 is positioned at waterproof geotextiles bottom Dian Chu, observes illustrating that rainwater is opened herein Beginning to penetrate into soil under waterproof construction, observation station 2 is positioned at pavement structure and lays at the intact loess that pavement boundaries position is corresponding, herein Observe and start to penetrate into soil under pavement structure with explanation rainwater.As seen from Figure 8, at observation station 2, the water content of soil layer is obvious Less than observation station 1 and the water content of other positions, illustrate to use the system of the present invention can effectively prevent rainwater from entering important The original state soil layer of pavement structure (car lane) lower section, thus preferably protect pavement structure.
Ooze the construction method of guard system under the regularization of above-mentioned Collapsible Loess District rainwater, comprise the following steps:
Step one, is compacted the upper soil horizon of original state soil layer 1, forms subgrade compaction soil layer 2, and compactness is at 93%-95% Between, the width of subgrade compaction soil layer 2 is 800mm, and the degree of depth of subgrade compaction soil layer 2 is 800mm, after compacting, determines recessed green 4 borders, both sides in subgrade compaction soil layer 2, ground, dig down to subgrade compaction soil layer bottom surface at side boundary, Opposite side boundary is to dig under the side slope degree of 1:1 to subgrade compaction soil layer 2 bottom surface, and roots out the soil between border, both sides, road Forming, in base compacting soil layer 2, the bar shaped laying groove 5 that longitudinal section is right-angled trapezium, a side of bar shaped laying groove 5 is relative to water Plane is inclined plane;
Step 2, in original state soil layer 1, the border, both sides along the bottom surface of bar shaped laying groove 5 is dug down, and shovels Except the original state soil layer soil between border, both sides, in original state soil layer 1, form the first groove 6 that longitudinal section is rectangle;
Step 3, the top of the subgrade compaction soil layer 2 of the both sides of bar shaped laying groove 5 laying road structure sheaf 3 respectively, two The second groove 7 that longitudinal section is rectangle is formed between road structure layer 3;It is above the side of inclined plane in bar shaped laying groove 5 Road structure layer 3 is first line structure layer, leaves sky between border and the bottom surface of bar shaped laying groove 5 of first line structure layer Gap, this space forms waterproof geotextiles mounting platform 8;
Step 4, is that waterproof geotextiles 9 is laid, along the length of bar shaped laying groove 5 in the side of inclined plane in bar shaped laying groove 5 Degree direction overlaps multiple waterproof geotextiles 9, and the width of each waterproof geotextiles 9 is 1600mm;The overlap joint of adjacent waterproof geotextiles 9 Length is not less than 300mm;The top of waterproof geotextiles 9 bends one fixed width and is laid on waterproof geotextiles mounting platform 8, anti- The remainder of water geotextiles 9 is laid in inclined plane;Arranging of waterproof geotextiles mounting platform 8 ensures waterproof geotextiles 9 energy Enough it is firmly installed in inclined plane;
Step 5, vertically-mounted rain pipe 4-5, the bottom of rain pipe 4-5 from top to bottom sequentially passes through described second groove 7, bar shaped laying groove 5 and the first groove 6;The bottom of rain pipe 4-5 connects with urban rainwater pipeline;
Step 6, lays gravel layer 4-1 in the first groove 6, and the thickness of gravel layer 4-1 is 200mm, in bar shaped laying groove Laying medium-sand seam 4-2 and mixed soil 4-3 in 5 the most successively, the thickness of medium-sand seam 4-2 is 300mm, at the second ditch Laying plantation soil layer 4-4 in groove 7, the thickness of plantation soil layer 4-4 is 400-500mm;
Step 7, in plantation soil layer 4-4, plantation adapts to local climate and waterlogging plant.

Claims (7)

1. ooze guard system under the regularization of Collapsible Loess District rainwater, including subgrade compaction soil layer (2), subgrade compaction soil layer (2) it is the upper soil horizon of original state soil layer (1), subgrade compaction soil layer (2) top laying road structure sheaf (3), it is characterised in that institute State guard system and also include that recessed greenery patches (4), recessed greenery patches (4) from top to bottom sequentially pass through described road structure floor (3) and road Base compacted lift (2), the bottom of recessed greenery patches (4) contacts with described original state soil layer (1);One side in recessed greenery patches (4) and institute State and between subgrade compaction soil layer (2), be provided with waterproof geotextiles (9).
2. ooze guard system under the regularization of Collapsible Loess District as claimed in claim 1 rainwater, it is characterised in that described Recessed greenery patches (4) includes the gravel layer (4-1) laid the most successively, medium-sand seam (4-2), mixed soil (4-3) and plants Plant soil layer (4-4);Described recessed greenery patches (4) also includes the rain pipe (4-5) being vertically arranged, and the bottom of rain pipe (4-5) is by upper Plantation soil layer (4-4), mixed soil (4-3), medium-sand seam (4-2) and gravel layer (4-1), rain pipe (4-is sequentially passed through under to 5) bottom connects urban rainwater pipeline.
3. ooze guard system under the regularization of Collapsible Loess District as claimed in claim 2 rainwater, it is characterised in that described Gravel layer (4-1) is arranged in described original state soil layer (1), and described medium-sand seam (4-2) and mixed soil (4-3) are arranged on described In subgrade compaction soil layer (2), described plantation soil layer (4-4) is arranged in described road structure layer (3).
4. ooze guard system under the regularization of Collapsible Loess District as claimed in claim 3 rainwater, it is characterised in that described The one side that subgrade compaction soil layer (2) contacts with described medium-sand seam (4-2) and mixed soil (4-3) with the angle of horizontal plane is 45°。
5. ooze guard system under the regularization of Collapsible Loess District as claimed in claim 4 rainwater, it is characterised in that described Gap is formed between medium-sand seam (4-2), mixed soil (4-3) and plantation soil layer (4-4) and subgrade compaction soil layer (2), described Waterproof geotextiles (9) is arranged in gap, by subgrade compaction soil layer (2) and medium-sand seam (4-2), mixed soil (4-3) and kind Plant soil layer (4-4) to separate.
6. ooze guard system under the regularization of Collapsible Loess District as claimed in claim 2 rainwater, it is characterised in that described The mouth of pipe of rain pipe (4-5) is 100mm with distance d on described plantation soil layer (4-4) surface.
7. under the regularization of the Collapsible Loess District rainwater described in claim 5, ooze the construction method of guard system, its feature It is, comprises the following steps:
Step one, is compacted the upper soil horizon of original state soil layer (1), forms subgrade compaction soil layer (2), after compacting, determines recessed green (4) border, both sides in subgrade compaction soil layer (2), ground, digs down to subgrade compaction soil layer at side boundary (2) bottom surface, opposite side boundary is to dig under the side slope degree of 1:1 to subgrade compaction soil layer (2) bottom surface, and roots out between border, both sides Soil, form the bar shaped laying groove (5) that longitudinal section is right-angled trapezium, the one of bar shaped laying groove (5) in subgrade compaction soil layer (2) Individual side is with respect to the horizontal plane inclined plane;
Step 2, in original state soil layer (1), the border, both sides along the bottom surface of bar shaped laying groove (5) is dug down, and shovels Except forming the first groove (6) that longitudinal section is rectangle in the original state soil layer soil between border, both sides, original state soil layer (1);
Step 3, the top of the subgrade compaction soil layer (2) of the both sides of bar shaped laying groove (5) laying road structure sheaf (3) respectively, two The second groove (7) that longitudinal section is rectangle is formed between individual road structure layer (3);It is the one of inclined plane in bar shaped laying groove (5) Road structure layer (3) above side is first line structure layer, the border of first line structure layer and the end of bar shaped laying groove (5) Leaving space between face, this space forms waterproof geotextiles mounting platform (8);
Step 4, is that waterproof geotextiles (9) is laid, along bar shaped laying groove (5) in the side of inclined plane in bar shaped laying groove (5) Length direction overlaps multiple waterproof geotextiles (9);The top of waterproof geotextiles (9) bends one fixed width and is laid in waterproof geotechnique On cloth mounting platform (8), the remainder of waterproof geotextiles (9) is laid in inclined plane;
Step 5, vertically-mounted rain pipe (4-5), the bottom of rain pipe (4-5) from top to bottom sequentially passes through described second groove (7), bar shaped laying groove (5) and the first groove (6);The bottom of rain pipe (4-5) connects with urban rainwater pipeline;
Step 6, lays gravel layer (4-1), in laying the most successively in bar shaped laying groove (5) in the first groove (6) Coarse sands layer (4-2) and mixed soil (4-3), lay plantation soil layer (4-4) in the second groove (7);
Step 7, in plantation soil layer (4-4), plantation adapts to local climate and waterlogging plant.
CN201610473474.7A 2016-06-24 2016-06-24 Guard system and construction method are oozed under the regularization of Collapsible Loess District rainwater Active CN106065656B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610473474.7A CN106065656B (en) 2016-06-24 2016-06-24 Guard system and construction method are oozed under the regularization of Collapsible Loess District rainwater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610473474.7A CN106065656B (en) 2016-06-24 2016-06-24 Guard system and construction method are oozed under the regularization of Collapsible Loess District rainwater

Publications (2)

Publication Number Publication Date
CN106065656A true CN106065656A (en) 2016-11-02
CN106065656B CN106065656B (en) 2018-09-21

Family

ID=57420690

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610473474.7A Active CN106065656B (en) 2016-06-24 2016-06-24 Guard system and construction method are oozed under the regularization of Collapsible Loess District rainwater

Country Status (1)

Country Link
CN (1) CN106065656B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106958179A (en) * 2017-04-11 2017-07-18 水利部交通运输部国家能源局南京水利科学研究院 Slow down the urban road structure and its method of construction of waterlogging
CN107178135A (en) * 2017-05-17 2017-09-19 西安建筑科技大学 A kind of structure of Ren Hanglv roads hardening supply rainwater infiltration
CN108360644A (en) * 2018-01-22 2018-08-03 西安建筑科技大学 A kind of biology for solving collapsibility of loess is detained facility and base material improvement method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4403454C1 (en) * 1994-02-04 1995-04-06 Georg Dipl Ing Neumann Process and apparatus for treating surface water or the like
CN104313974A (en) * 2014-10-15 2015-01-28 上海交通大学 Ecological grass planting trench for cities with rich water resource
CN105089142A (en) * 2015-08-27 2015-11-25 天津大学 Low elevation greenbelt rainwater regulation scheduling pool and distributed rainwater regulation scheduling pool system
CN204826447U (en) * 2015-08-01 2015-12-02 西安科技大学 Collapsible loess area underground garage planting roof seeps water to get rid of and uses drainage structures
CN105421562A (en) * 2015-11-09 2016-03-23 中国科学院测量与地球物理研究所 Green belt with initial rainwater road surface runoff purifying function and water storage function
CN105507112A (en) * 2015-12-04 2016-04-20 东南大学 Pavement system for preventing waterlogging and supplying underground water
CN105544343A (en) * 2015-12-05 2016-05-04 华中科技大学 Source rainwater purification and storage system based on low impact development and installation method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4403454C1 (en) * 1994-02-04 1995-04-06 Georg Dipl Ing Neumann Process and apparatus for treating surface water or the like
CN104313974A (en) * 2014-10-15 2015-01-28 上海交通大学 Ecological grass planting trench for cities with rich water resource
CN204826447U (en) * 2015-08-01 2015-12-02 西安科技大学 Collapsible loess area underground garage planting roof seeps water to get rid of and uses drainage structures
CN105089142A (en) * 2015-08-27 2015-11-25 天津大学 Low elevation greenbelt rainwater regulation scheduling pool and distributed rainwater regulation scheduling pool system
CN105421562A (en) * 2015-11-09 2016-03-23 中国科学院测量与地球物理研究所 Green belt with initial rainwater road surface runoff purifying function and water storage function
CN105507112A (en) * 2015-12-04 2016-04-20 东南大学 Pavement system for preventing waterlogging and supplying underground water
CN105544343A (en) * 2015-12-05 2016-05-04 华中科技大学 Source rainwater purification and storage system based on low impact development and installation method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106958179A (en) * 2017-04-11 2017-07-18 水利部交通运输部国家能源局南京水利科学研究院 Slow down the urban road structure and its method of construction of waterlogging
CN106958179B (en) * 2017-04-11 2019-04-09 水利部交通运输部国家能源局南京水利科学研究院 Slow down the urban road structure and its method of construction of waterlogging
CN107178135A (en) * 2017-05-17 2017-09-19 西安建筑科技大学 A kind of structure of Ren Hanglv roads hardening supply rainwater infiltration
CN107178135B (en) * 2017-05-17 2019-08-06 西安建筑科技大学 A kind of structure of the road Ren Hanglv hardening supply rainwater infiltration
CN108360644A (en) * 2018-01-22 2018-08-03 西安建筑科技大学 A kind of biology for solving collapsibility of loess is detained facility and base material improvement method

Also Published As

Publication number Publication date
CN106065656B (en) 2018-09-21

Similar Documents

Publication Publication Date Title
CN106759825B (en) Construction method of sponge urban green land water storage system
CN100562630C (en) Structural water resource recovery method
US8221029B2 (en) Water drainage and harvesting system for an artificial turf environment
CN207259888U (en) A kind of sponge urban road sinking greenbelt
CN105544417A (en) Method for enabling pavements to have strong rainwater storage capacity and reducing rainwater loss
CN106065656B (en) Guard system and construction method are oozed under the regularization of Collapsible Loess District rainwater
CN101336593A (en) Method for constructing ecology garden landscape compound structures to improve salt-affected soil
CN106245487B (en) The construction method of the urban road sponge engineering system of combining road maintenance
CN106320494B (en) The construction method of sponge engineering system based on existing urban road and drainage condition
CN107988867A (en) A kind of novel water permeable road and its construction method
CN105970764B (en) A kind of laying method of drainage pavement
CN105064380B (en) Harnessed the river anti-skid structure rich in diving high slope
CN102888849B (en) A kind of large outdoors colliery refuse dump, loess area micro-slope reconstruction method
CN111535098A (en) Rainwater drainage system for green belts and sidewalks of town roads and construction method
CN209941826U (en) Green land rainwater collecting and recycling pipe network based on undulating terrain condition
CN104818734B (en) Control completely decomposed granite side slope damage by water waterproof and water drainage system and construction method thereof
CN106835890A (en) Concave herbaceous field system and construction method based on sponge city
CN106836243A (en) A kind of sponge greenery patches of suitable mountain topography and its building method
DE3828209A1 (en) FIXED GROUND SURFACE
CN108086459A (en) A kind of construction method of sponge urban green space water storage system
CN202202227U (en) Urban road brick curb and road and flower bed rainwater drainage combined system
CN106759778A (en) For the scattered collection mating type waterproof and water drainage system of highway median strip
CN106499002A (en) Green grassland rainwater cyclic utilization system
CN107724402B (en) A kind of spoil ground regulation method
CN206503213U (en) Scattered collection mating type waterproof and water drainage system for highway median strip

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant