CN109487901A - A kind of the Demonstration for Ecological Sanitation trench system and construction method in sponge city - Google Patents

A kind of the Demonstration for Ecological Sanitation trench system and construction method in sponge city Download PDF

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Publication number
CN109487901A
CN109487901A CN201811593590.8A CN201811593590A CN109487901A CN 109487901 A CN109487901 A CN 109487901A CN 201811593590 A CN201811593590 A CN 201811593590A CN 109487901 A CN109487901 A CN 109487901A
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CN
China
Prior art keywords
trench
layer
soil layer
demonstration
construction
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Pending
Application number
CN201811593590.8A
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Chinese (zh)
Inventor
肖建茜
陈梦露
张梦思
戴梅涵
何胜洁
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Zhonglihe Ecological Construction Co Ltd
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Zhonglihe Ecological Construction Co Ltd
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Priority to CN201811593590.8A priority Critical patent/CN109487901A/en
Publication of CN109487901A publication Critical patent/CN109487901A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/14Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F1/00Methods, systems, or installations for draining-off sewage or storm water
    • E03F1/002Methods, systems, or installations for draining-off sewage or storm water with disposal into the ground, e.g. via dry wells
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F3/00Sewer pipe-line systems
    • E03F3/04Pipes or fittings specially adapted to sewers
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F3/00Sewer pipe-line systems
    • E03F3/04Pipes or fittings specially adapted to sewers
    • E03F3/046Open sewage channels
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/60Planning or developing urban green infrastructure

Abstract

The invention discloses a kind of Demonstration for Ecological Sanitation trench system in sponge city and construction methods, including base soil layer, gravel layer, planting soil layer, fixed plate, barb, rectangular through-hole, permeable layer, water pipe, seep water box body, permeable hole and permeable geotextiles, impact of the heavy rain to Demonstration for Ecological Sanitation trench system can be effectively relieved in this municipal Demonstration for Ecological Sanitation trench system, and this Demonstration for Ecological Sanitation trench system high permeability, it can satisfy the infiltration demand of high precipitation, not only green percentage is high and has both certain water purification, water storage, infiltration, drain function, eco-drainage ditch meets the needs promoted a conservation culture, improve urban environment, better maintaining ecological balance, furthermore because this construction contains organic soil, microbiologic population can quickly be formed, soil will not be hardened, the ecosystem can continue, meets the needs of sponge city with this, and then it can be to a certain extent Eliminate and slow down the tropical island effect in city.

Description

A kind of the Demonstration for Ecological Sanitation trench system and construction method in sponge city
Technical field
The present invention relates to municipal field of garden technology, the Demonstration for Ecological Sanitation trench system and construction party in specially a kind of sponge city Method.
Background technique
The sponge city of the accumulation of construction nature, naturally osmotic and self-purification has been the trend of the times of current city-building, The core in sponge city is the infiltration of receiving for giving full play to the facilities such as greenery patches, road for rainwater, and sponge city refers to city energy It is enough that there is good " elasticity " in terms of adapting to environmental change and reply as sponge, water suction, storage when raining The water stored is discharged and is used when needing by water, infiltration, water purification, is brought great convenience to the production and living of people.
Ecological ditch be integrate ecology conserve, go sightseeing, the ditch domain economy of economic development and Humanistic Value, ecological ditch Difference and conventional discharge ditch are to be arranged in bottom of trench and furrow bank using the ground that plant measures or plant measures incorporation engineering measure are protected Aquaporin.Compared with conventional discharge, eco-drainage ditch low cost, landscape effect are good, ecological benefits are high, but existing ecological ditch It is not able to satisfy the demand in sponge city.
Currently, landscape ecological ditch, is widely used in production and construction project, this kind of ecology ditch soil conservation ability is weaker, soil Earth easily enters drainage system with rainwater, in blocking gutter or city planting ductwork, if be poured inside ditch body with concrete, just The effect of landscape ecological ditch is not achieved, and the system of used ecological ditch and structure are single, and the development of ecological ditch is not achieved The water seepage function of demand, existing landscape ecological ditch is weak, and when showing that rainy day rainfall is larger, water and soil is easy to run off not in time for infiltration, fine day Water resource direct electric drainage in ecological ditch is walked, is mostly pan soil in ecological ditch, water percolating capacity very little not only causes water resource Waste, the water storage for causing sponge city is ineffective, can not also preferably reach the Planning Principles in construction sponge city, reduces Long-run development.
Summary of the invention
Present invention solves the technical problem that being to overcome, the ecological ditch soil conservation ability of the prior art is weaker, be easy to cause soil The defect of loss and infiltration effect difference, provides the Demonstration for Ecological Sanitation trench system and construction method in a kind of sponge city.A kind of sea The Demonstration for Ecological Sanitation trench system and construction method in continuous city have the infiltration for avoiding the good and ecological ditch of soil losses, soil retention The strong feature of ability, with the Planning Principles in sponge city.
To achieve the above object, the invention provides the following technical scheme: a kind of Demonstration for Ecological Sanitation trench system in sponge city and Construction method, including base soil layer, the base soil layer open up downwards sloped sides and bottom of trench, the bottom of trench and two skew backs of the base soil layer Slope surface is equipped with gravel layer, and the surface of gravel layer described in bottom of trench is filled with planting soil layer, the surface of sloped sides gravel layer Compacting has permeable layer, and the inner wall surface of the permeable layer is equipped with fixed plate, is filled with planting soil layer, two sides in the fixed plate The equal aperture in the top on the slope is equipped with water pipe, and the base soil layer is equipped with infiltration box body digging pit, the water pipe it is another It brings out the mouth of a river and is turned on infiltration box cavity.
Preferably, the outer wall punch forming of the fixed plate has barb, and fixed plate is fixedly connected with permeable layer by barb, The surface of the fixed plate offers rectangular through-hole at separate barb.
Preferably, by thering is 1~5% fine sand, 1~20% sawdust, 1~25% base soil and 1~50% to be stained in the permeable layer Local soil type is at and the thickness of the permeable layer is laid on 1cm~3cm.
Preferably, the surface kind of the planting soil layer is implanted with turf.
Preferably, the water inlet end inner wall of the water pipe is fixedly installed with filter screen.
Preferably, the infiltration box body is arranged in cuboid, and inner cavity is hollow out setting, the outer wall array of the infiltration box body Permeable hole is offered, and the inner wall surface for the box body that seeps water is enclosed with permeable geotextiles.
Preferably, the thickness of the planting soil layer is located at 5cm~10cm, and the planting soil layer is interior by organic fertilizer, yellow sand Mixed with black earth, mixed proportion be 1~2:0.5~1:4~6, and planting soil layer in filled with 1~10% peat, bark, Sawdust, rice chaff, sawdust, perlite, vermiculite, haydite and scoria are one such.
Preferably, the water pipe is arranged between 20cm~30cm at a distance from base soil layer surface.
Preferably, the area ratio of the fixed plate and rectangular through-hole is provided with 1:0.7~0.9.
A kind of Demonstration for Ecological Sanitation trench system in sponge city and the application method of construction method, which is characterized in that packet Include following steps:
Step 1: excavating base soil layer, open up slope and bottom of trench downwards on the surface of base soil layer, remove extra base soil layer Soil, slope and bottom of trench are compacted, and inverted trapezoidal base soil layer is formed;
Step 2: excavating the groove that section is rectangle in the side on two slopes, infiltration is put into the groove of base soil layer Box body, seep water box body at the top of water inlet be fixedly mounted water pipe, offered between base soil layer and ramped surfaces matched with water pipe Horizontal through hole, the other end of water pipe run through the through-hole of base soil layer, and the other end of water pipe extends to ramped inner surface, in water pipe Filter screen is installed, the outer wall and slope periphery of inner wall concrete or sealing filler of water pipe are sealed installation;
Step 3: being laid with the gravel layer of 5cm~20cm thickness, the direct filling planting of the gravel layer of bottom of trench on slope and bottom of trench The gravel layer surface of soil layer, slope is poured permeable layer from top to bottom, and the barb of fixed plate is inserted into permeable layer, the hook portion court of barb Under, tamp permeable layer;
Step 4: filling full planting soil layer in the surface of fixed plate and rectangular through-hole, tamp levelling;
Step 5: spilling grass-seed in the uniform Turf Culture in planting soil layer surface on slope and bottom of trench or paving.
Compared with prior art, the beneficial effects of the present invention are:
1, this eco-drainage ditch is circumscribed with infiltration box body, after heavy rain rainwater enters eco-drainage ditch, if eco-drainage ditch seeps Saturating rate is limited, and when cannot timely be permeated, liquid level can increase rapidly, can be arranged extra rainwater by the connection of water pipe Into infiltration box body, efficient permeable work can be carried out, while in eco-drainage ditch slope, rainwater can successively penetrate plantation Soil layer, fixed plate, permeable layer, gravel layer realize the need of water suction, the water storage, infiltration of base soil in sponge city into base soil It asks;
2, it when water volume flow rate is too fast in high precipitation or eco-drainage ditch, by fine sand, sawdust, base soil in permeable layer and is stained with Laying of the filling and fixed plate of soil on permeable layer, can reinforce the stability of the base soil on slope, stable structure, cost Low and construction technology is simple, and the soil losses avoided in base soil are excessive, and reduce the soil for the planting soil layer taken out of with flowing water Earth protects the environment of eco-drainage ditch;
3, the planting soil layer of high fertile rate is filled in eco-drainage ditch, Turf Culture or paving spill grass-seed in planting soil layer, grass After skin growth or after grass-seed sprouting, Greening functions can be played to gutter surface, and turf, grass-seed can also play sponge city The water purification effect of city's draining, improves eco-drainage ditch Regional Urban Greening rate;
Impact of the heavy rain to Demonstration for Ecological Sanitation trench system, and this ecology row can be effectively relieved in this municipal Demonstration for Ecological Sanitation trench system Ditch system high permeability can satisfy the infiltration demand of high precipitation, and not only green percentage is high and has both certain water purification, stores Water, infiltration, drain function, eco-drainage ditch meet the needs promoted a conservation culture, and improve urban environment, preferably maintenance ecology Furthermore balance can quickly form microbiologic population, soil will not the hardened, ecosystem because this construction contains organic soil It can continue, meet the needs of sponge city with this, and then can eliminate to a certain extent and slow down the tropical island effect in city.
Detailed description of the invention
Fig. 1 is sectional structure chart of the invention;
Fig. 2 is the enlarged drawing of A at Fig. 1 of the present invention;
Fig. 3 is the structural schematic diagram of fixed plate in the present invention;
Fig. 4 is the structural schematic diagram of present invention infiltration box body.
Figure label: 1, base soil layer;2, gravel layer;3, planting soil layer;4, fixed plate;41, barb;42, rectangular through-hole;5, Permeable layer;6, water pipe;7, seep water box body;71, permeable hole;72, permeable geotextiles.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: including base soil layer 1, base soil layer is excavated, in base soil layer Surface opens up downwards slope and bottom of trench, removes the soil of extra base soil layer, and slope and bottom of trench are compacted, and forms inverted trapezoidal Base soil layer, the bottom of trench of base soil layer 1 and sloped sides surface are equipped with gravel layer 2, and the thickness of planting soil layer 3 is set as 7cm, kind It plants and is mixed in soil layer 3 by organic fertilizer, yellow sand and black earth, mixed proportion 2:1:6, and be filled in planting soil layer 3 10% sawdust, the surface compaction of sloped sides gravel layer 2 have a permeable layer 5, in permeable layer 5 by have 5% fine sand, 20% sawdust, 25% base soil and 50% is stained with local soil type at and the thickness of permeable layer 5 is laid on 2cm, and the inner wall surface of permeable layer 5 is equipped with fixed plate 4, fixed plate 4 is PVC plastic material, and the outer wall punch forming of fixed plate 4 has barb 41, and fixed plate 4 is fixed by barb 41 Permeable layer 5 is connected, the surface of fixed plate 4 is laid with 10cm on slope and bottom of trench far from rectangular through-hole 42 is offered at barb 41 The gravel layer 2 of thickness, the direct filling planting soil layer 3 of gravel layer 2 of bottom of trench, 2 surface of gravel layer on slope is poured infiltration from top to bottom Water layer 5 downward by the hook portion of the insertion permeable layer 5 of barb 41 of fixed plate 4 and barb 41 tamps permeable layer 5, the table of fixed plate 4 Full planting soil layer 3 is filled in face and rectangular through-hole 42, tamp levelling, water volume flow rate mistake in high precipitation or eco-drainage ditch When fast, by fine sand, sawdust, base soil in permeable layer 5 and it is stained with the laying of the filling and fixed plate 4 of soil on permeable layer 5, it can To reinforce the stability of the base soil on slope, stable structure, low cost and construction technology are simple, avoid the soil losses in base soil Excessively, and the soil of planting soil layer 3 taken out of with flowing water is reduced, protects the environment of eco-drainage ditch;
When precipitation, rainwater can successively penetrate planting soil layer 3, fixed plate 4, permeable layer 5, gravel layer 2 and enter base soil layer 1 In, the demand of water suction, the water storage, infiltration of base soil in sponge city is realized, the equal aperture in the top of sloped sides is equipped with water pipe 6, base soil layer 1 dig pit be equipped with infiltration box body 7, infiltration box body 7 material be the punch forming of pp plastics, infiltration box body 7 in length Cube setting, inner cavity are hollow out setting, and the outer wall array of infiltration box body 7 offers permeable hole 71, and the inner wall table for the box body 7 that seeps water Face is enclosed with permeable geotextiles 72, the groove that section is rectangle is excavated in the side on two slopes, in the groove of base soil layer 1 It is inside put into infiltration box body 7, the water inlet at 7 top of infiltration box body is fixedly mounted water pipe 6, opens up between base soil layer 1 and ramped surfaces Have and runs through the through-hole of base soil layer 1, and the other end extension of water pipe 6 with the matched horizontal through hole of water pipe 6, the other end of water pipe 6 To ramped inner surface, filter screen, the outer wall and slope periphery of inner wall concrete or sealing filler of water pipe 6 are installed in water pipe 6 It is sealed installation, water pipe 6 is arranged in 20cm at a distance from 1 surface of base soil layer, after heavy rain rainwater enters eco-drainage ditch, if raw State gutter limited permeability, when cannot timely be permeated, liquid level can increase rapidly, can be by the connection of water pipe 6, will be more Remaining rainwater discharges into infiltration box body 7, and into after infiltration 7 inner cavity of box body, rainwater, can by each permeable hole 71 and water geotextiles 72 To be permeated into base soil layer 1, efficient permeable work can be carried out, is finally implanted with turf in the surface kind of planting soil layer 3 Or paving spills grass-seed, and the high planting soil layer 3 of fertile rate is filled in eco-drainage ditch, Turf Culture or paving spill grass-seed in planting soil layer 3, After turf grass growth or after grass-seed sprouting, Greening functions can be played to gutter surface, and turf, grass-seed can also play sponge The water purification of municipal drainage acts on, and improves eco-drainage ditch Regional Urban Greening rate, improves urban environment, and preferably maintenance ecology is flat Weighing apparatus, furthermore because this construction contains organic soil, can quickly form microbiologic population, soil will not the hardened, ecosystem can To continue, meets the needs of sponge city with this.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (10)

1. the Demonstration for Ecological Sanitation trench system and construction method in a kind of sponge city, including base soil layer (1), the base soil layer (1) is downward Open up sloped sides and bottom of trench, it is characterised in that: the bottom of trench of the base soil layer (1) and sloped sides surface are equipped with gravel layer (2), the surface of gravel layer described in bottom of trench (2) is filled with planting soil layer (3), and the surface compaction of sloped sides gravel layer (2) has infiltration The inner wall surface of water layer (5), the permeable layer (5) is equipped with fixed plate (4), and planting soil layer is filled on the fixed plate (4) (3), the equal aperture in the top on slope described in two sides is equipped with water pipe (6), and the base soil layer (1) is equipped with infiltration box body digging pit (7), the other end water outlet of the water pipe (6) is turned on infiltration box body (7) inner cavity.
2. the Demonstration for Ecological Sanitation trench system and construction method in a kind of sponge city according to claim 1, it is characterised in that: institute The outer wall punch forming for stating fixed plate (4) has barb (41), and fixed plate (4) is fixedly connected with permeable layer (5) by barb (41), The surface of the fixed plate (4) offers rectangular through-hole (42) at separate barb (41).
3. the Demonstration for Ecological Sanitation trench system and construction method in a kind of sponge city according to claim 1, it is characterised in that: institute It states in permeable layer (5) by thering is 1~5% fine sand, 1~20% sawdust, 1~25% base soil and 1~50% to be stained with local soil type into and the infiltration The thickness of water layer (5) is laid on 1cm~3cm.
4. the Demonstration for Ecological Sanitation trench system and construction method in a kind of sponge city according to claim 1, it is characterised in that: institute The surface kind for stating planting soil layer (3) is implanted with turf or paving spills grass-seed.
5. the Demonstration for Ecological Sanitation trench system and construction method in a kind of sponge city according to claim 1, it is characterised in that: institute The water inlet end inner wall for stating water pipe (6) is fixedly installed with filter screen.
6. the Demonstration for Ecological Sanitation trench system and construction method in a kind of sponge city according to claim 1, it is characterised in that: institute It states infiltration box body (7) to be arranged in cuboid, inner cavity is hollow out setting, and the outer wall array of infiltration box body (7) offers permeable Hole (71), and the inner wall surface of infiltration box body (7) is enclosed with permeable geotextiles (72).
7. the Demonstration for Ecological Sanitation trench system and construction method in a kind of sponge city according to claim 1, it is characterised in that: institute The thickness for stating planting soil layer (3) is located at 5cm~10cm, in the planting soil layer (3) by the mixing of organic fertilizer, yellow sand and black earth and At mixed proportion is 1~2:0.5~1:4~6, and is filled with 1~10% peat, bark, sawdust, rice in planting soil layer (3) Chaff, sawdust, perlite, vermiculite, haydite and scoria are one such.
8. the Demonstration for Ecological Sanitation trench system and construction method in a kind of sponge city according to claim 1, it is characterised in that: institute Water pipe (6) is stated to be arranged between 20cm~30cm at a distance from base soil layer (1) surface.
9. the Demonstration for Ecological Sanitation trench system and construction method in a kind of sponge city according to claim 2, it is characterised in that: institute The area ratio for stating fixed plate (4) and rectangular through-hole (42) is provided with 1:0.7~0.9.
10. the application method of a kind of Demonstration for Ecological Sanitation trench system in sponge city described in -9 and construction method according to claim 1, Characterized by comprising the following steps:
Step 1: excavating base soil layer (1), open up slope and bottom of trench downwards on the surface of base soil layer (1), remove extra base soil layer (1) soil, slope and bottom of trench are compacted, and are formed inverted trapezoidal base soil layer (1);
Step 2: excavating the groove that section is rectangle in the side on two slopes, infiltration is put into the groove of base soil layer (1) Box body (7), infiltration box body (7) at the top of water inlet be fixedly mounted water pipe (6), offered between base soil layer (1) and ramped surfaces With water pipe (6) matched horizontal through hole, the other end of water pipe (6) runs through the through-hole of base soil layer (1), and water pipe (6) is another End extends to ramped inner surface, installs filter screen in water pipe (6), the outer wall and slope periphery of inner wall concrete of water pipe (6) or Sealing filler is sealed installation;
Step 3: being laid with the gravel layer (2) of 5cm~20cm thickness on slope and bottom of trench, the gravel layer (2) of bottom of trench directly fills kind It plants soil layer (3), gravel layer (2) surface on slope is poured permeable layer (5) from top to bottom, and the barb (41) of fixed plate (4) is inserted into Permeable layer (5), the hook portion of barb (41) downward, are tamped permeable layer (5);
Step 4: being filled in the surface of fixed plate (4) and rectangular through-hole (42) full planting soil layer (3), tamp levelling;
Step 5: spilling grass-seed in the uniform Turf Culture in planting soil layer (3) surface on slope and bottom of trench or paving.
CN201811593590.8A 2018-12-25 2018-12-25 A kind of the Demonstration for Ecological Sanitation trench system and construction method in sponge city Pending CN109487901A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110016953A (en) * 2019-03-13 2019-07-16 西安建筑科技大学 For seeping structure, system and construction method under the rainwater guiding performance of Canal in Loess Area
CN110439078A (en) * 2019-08-06 2019-11-12 深圳港湾建设有限公司 A kind of sponge urban rainwater garden and construction method

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CN205662934U (en) * 2016-05-20 2016-10-26 广州市林华园林建设工程有限公司 Arrange carrier component on domatic in
CN206681021U (en) * 2017-02-27 2017-11-28 长沙理工大学 A kind of multi-functional slope reinforcement structure
CN207348075U (en) * 2017-10-18 2018-05-11 迟永喜 A kind of reinforcement type highway slope protection
CN108343142A (en) * 2018-04-17 2018-07-31 中冶(贵州)建设投资发展有限公司 A kind of flexible ecological roadbed side slope gutter and its construction method
CN207700330U (en) * 2017-12-25 2018-08-07 梅州市城市规划设计院 A kind of concave herbaceous field grass-planting ecological ditch

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205012441U (en) * 2015-09-01 2016-02-03 中国水利水电科学研究院 Rainwater infiltration - discharges integrative device
CN205662934U (en) * 2016-05-20 2016-10-26 广州市林华园林建设工程有限公司 Arrange carrier component on domatic in
CN206681021U (en) * 2017-02-27 2017-11-28 长沙理工大学 A kind of multi-functional slope reinforcement structure
CN207348075U (en) * 2017-10-18 2018-05-11 迟永喜 A kind of reinforcement type highway slope protection
CN207700330U (en) * 2017-12-25 2018-08-07 梅州市城市规划设计院 A kind of concave herbaceous field grass-planting ecological ditch
CN108343142A (en) * 2018-04-17 2018-07-31 中冶(贵州)建设投资发展有限公司 A kind of flexible ecological roadbed side slope gutter and its construction method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110016953A (en) * 2019-03-13 2019-07-16 西安建筑科技大学 For seeping structure, system and construction method under the rainwater guiding performance of Canal in Loess Area
CN110439078A (en) * 2019-08-06 2019-11-12 深圳港湾建设有限公司 A kind of sponge urban rainwater garden and construction method

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