CN109183946A - A kind of sponge urban biology is detained facility and its construction method - Google Patents
A kind of sponge urban biology is detained facility and its construction method Download PDFInfo
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- CN109183946A CN109183946A CN201811278280.7A CN201811278280A CN109183946A CN 109183946 A CN109183946 A CN 109183946A CN 201811278280 A CN201811278280 A CN 201811278280A CN 109183946 A CN109183946 A CN 109183946A
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- 238000010276 construction Methods 0.000 title claims abstract description 102
- 239000000463 material Substances 0.000 claims abstract description 159
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 149
- 239000002689 soil Substances 0.000 claims abstract description 35
- 238000000576 coating method Methods 0.000 claims abstract description 21
- 239000011248 coating agent Substances 0.000 claims abstract description 20
- 239000004576 sand Substances 0.000 claims description 12
- 230000008929 regeneration Effects 0.000 claims description 4
- 238000011069 regeneration method Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 49
- 239000002699 waste material Substances 0.000 abstract description 27
- 238000001764 infiltration Methods 0.000 abstract description 20
- 230000008595 infiltration Effects 0.000 abstract description 20
- 239000011449 brick Substances 0.000 abstract description 7
- 230000007704 transition Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 229910052799 carbon Inorganic materials 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 235000019738 Limestone Nutrition 0.000 abstract description 2
- 239000006028 limestone Substances 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 47
- 238000003860 storage Methods 0.000 description 24
- 241000196324 Embryophyta Species 0.000 description 20
- 238000009412 basement excavation Methods 0.000 description 18
- 238000012360 testing method Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
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- 238000000746 purification Methods 0.000 description 5
- 239000011435 rock Substances 0.000 description 5
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 4
- 235000011941 Tilia x europaea Nutrition 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 239000004571 lime Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 241001494508 Arundo donax Species 0.000 description 3
- 241000234587 Canna Species 0.000 description 3
- 235000005273 Canna coccinea Nutrition 0.000 description 3
- 241000878006 Miscanthus sinensis Species 0.000 description 3
- 244000062720 Pennisetum compressum Species 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 3
- 239000004567 concrete Substances 0.000 description 3
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- 238000013461 design Methods 0.000 description 3
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- 230000000149 penetrating effect Effects 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000012552 review Methods 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- 244000025254 Cannabis sativa Species 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000006424 Flood reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Biodiversity & Conservation Biology (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of sponge urban biologies to be detained facility and its construction method, which is detained facility and sets gradually the Regenerated Bone bed of material, biological filter media layer, biological coating from bottom to top in plain soil base upper surface；Wherein, the Regenerated Bone bed of material successively includes the lower Regenerated Bone bed of material, the middle Regenerated Bone bed of material and the upper Regenerated Bone bed of material from the bottom up.The water absorbing capacity, water-holding capacity and infiltration ability that the sponge urban biology is detained facility are preferable, the transition of the upper Regenerated Bone bed of material and the lower Regenerated Bone bed of material can be realized by the middle Regenerated Bone bed of material of setting, it is not only reasonably formed a connecting link from partial size, the whole infiltration effect of the Regenerated Bone bed of material is also made to be increased dramatically；The natural materials such as class construction refuse regenerated aggregate replacing whole limestone, gravel are mixed using brick simultaneously, gained biology is detained facility infiltration ability and water-holding capacity is increased dramatically, and construction method is simple, and production cost is low, turn waste into wealth, low-carbon environment-friendly.
Description
Technical field
The present invention relates to water treatment system fields, and in particular to a kind of sponge urban biology is detained facility and its construction party
Method.
Background technique
In recent years, with the transformation of China's urban modernization and the quickening of Urbanization Process, building waste quantity day
Benefit increases, and building waste is increasingly severe to the harm of the mankind.According to statistics, China will at least remove 3 × 10 every year7~4 ×
107m2Old building generates several hundred million tons of building wastes, wherein only generated building waste residue just has more than 4,000 ten thousand tons in work progress.
China's building waste quantity has accounted for the 30~40% of municipal refuse total amount, and " garbage-surrounded city " phenomenon is got worse.Largely build
The building refuse overwhelming majority is just transported to countryside or rural area without any processing, using conventional method (air storage, landfill, burning
Deng) handled, the pork barrels such as a large amount of arable lands and refuse collection are not only consumed, environmental improvement is returned and brings and be greatly stranded
Difficulty, this undoubtedly adheres to that the state basic policy of sustainable development and circular economy is runed counter to China.
In addition, urbanization process causes city Permeable stratum area to increase year by year, earth's surface as urbanization process constantly promotes
Runoff significantly increases before relatively developing, and earth's surface produces the concentration time and shortens when rainfall, and peak flow increases, and time to peak shifts to an earlier date, to passing
System municipal drainage facility brings enormous pressure, and 70% or more city of China met with precipitation and concurrently given birth in serious city
Flood；Meanwhile city surface source pollution is also seriously affecting quality of water environment and aquatic ecosystem health, traditional the pattern of exploitation and construction is
It can not successfully manage.Sponge city refers to that city can adapt to the side such as environmental change and reply natural calamity as sponge
Face has good elasticity, and water suction, water storage, infiltration, water purification when raining by the water stored " release " and are used when needing.
Sponge urban construction follows the principles such as Ecology Precedence, and natural way is combined with artificial measures, is ensuring municipal drainage prevention waterlogging
Under the premise of safety, realize that rainwater in the accumulation, infiltration and purification of urban area, promotes the utilization of rainwater resource to the maximum extent
And ecological environmental protection.Sponge city using source reduction, transfer halfway, the means such as end is regulated and stored, by seeping, it is stagnant, store, be net,
With multiple technologies such as, rows, runoff rain penetration is solved, regulates and stores, purify, utilization and discharge, Control the Plan Pollution Sources maintain or restore
City sponge function.
Biology is detained facility such as Rain Garden, ecostagnation grass ditch and is generally adopted by natural sand stone aggregate, such as lime stone
Or gravel, and the acquisition of rubble, gravel need to be by digging mountain quarrying, excavating river.And currently, the natural sand stone resource in China faces
Exhaustion exploits sandstone aggregate for a long time and greatly destroys green vegetation, exposes raw ore, damaged natural landscape, cause
Soil erosion, causes mineral resources increasingly to reduce, seriously destroys ecological environment.Therefore, existing sponge urban biology is stagnant
Stay the production cost of facility excessively high, infiltration and water-holding capacity is poor and building waste using it is insufficient be a urgent need to resolve
The technical issues of.
Summary of the invention
In order to solve the above problem, the present invention provides a kind of sponge urban biology and is detained facility and its construction method, the sponge
The water absorbing capacity, water-holding capacity and infiltration ability that urban biology is detained facility are preferable, can by the middle Regenerated Bone bed of material of setting
The transition of the Regenerated Bone bed of material and the lower Regenerated Bone bed of material, is not only reasonably formed a connecting link from partial size in realization, is also made again
The whole infiltration effect of raw aggregate layer is increased dramatically；Class construction refuse regenerated aggregate replacing whole lime is mixed using brick simultaneously
The natural materials such as stone, gravel, gained biology is detained facility infiltration ability and water-holding capacity is increased dramatically, construction method letter
Single, production cost is low, turns waste into wealth, low-carbon environment-friendly.
In order to achieve the above object, the present invention is resolved using following technical scheme.
(1) a kind of sponge urban biology is detained facility, sets gradually Regenerated Bone from bottom to top in plain soil base upper surface
The bed of material, biological filter media layer, biological coating；Wherein, the Regenerated Bone bed of material successively includes lower recycled aggregate from the bottom up
Layer, the middle Regenerated Bone bed of material and the upper Regenerated Bone bed of material.
Preferably, the lower Regenerated Bone bed of material includes the construction refuse regenerated aggregate that partial size is 30~50mm.
Preferably, the middle Regenerated Bone bed of material includes the construction refuse regenerated aggregate that partial size is 10~20mm.
Preferably, the upper Regenerated Bone bed of material includes the construction refuse regenerated aggregate that partial size is 5~10mm.
Preferably, the biological filter media layer includes sand, original soil and coco bran.
Preferably, the biological filter media layer includes 40~60 parts of sand, 20~40 parts of original soil and 10~30 parts of coco bran.
Preferably, the compactness of the plain soil base is not less than 93%.
Preferably, the biology coating kind is implanted with and resistance to floods drought-enduring plant.
It preferably, further include overflow well and perforated drain pipe, the overflow well is longitudinally disposed at the sponge urban biology
Be detained in facility, the upper end of the overflow well is higher by biological 10~100mm of coating, the perforated drain pipe be set to it is described under
In the Regenerated Bone bed of material, the bottom of the overflow well is connected with the perforated drain pipe.
It is further preferred that the aperture of the perforated drain pipe is no more than the built-in building refuse regeneration of the lower Regenerated Bone bed of material
The partial size of aggregate.
(2) a kind of sponge urban biology is detained the construction method of facility, comprising the following steps:
Step 1, groove is excavated, the Regenerated Bone bed of material under plain soil base upper surface making in the trench uses partial size for 30
The construction refuse regenerated aggregate making of~50mm；
Step 2, the Regenerated Bone bed of material in the upper surface making of the lower Regenerated Bone bed of material, uses partial size for 10~20mm's
Construction refuse regenerated aggregate making；
Step 3, the Regenerated Bone bed of material on the upper surface making of the middle Regenerated Bone bed of material, uses partial size for 5~10mm's
Construction refuse regenerated aggregate making；
Step 4, in the upper surface making biological filter media layer of the upper Regenerated Bone bed of material, using sand, original soil and coco bran
Making；
Step 5, it in the upper surface kind plant and biology coating of the biological filter media layer, obtains the delay of sponge urban biology and sets
It applies.
Preferably, the lower Regenerated Bone bed of material with a thickness of 15~30cm.
Preferably, the middle Regenerated Bone bed of material with a thickness of 10~30cm.
Preferably, the upper Regenerated Bone bed of material with a thickness of 5~15cm.
Preferably, the biological filter media layer with a thickness of 50~70cm.
Preferably, the biological coating with a thickness of 50~75mm.
Compared with prior art, the present invention has the following advantages that and beneficial technical effect:
(1) the resulting sponge urban biology containing construction refuse regenerated aggregate of the present invention, which is detained facility, has preferable water suction
Performance, water storage performance, water purification performance and drainage performance can play good water suction, water storage, water purification and drainage, the life
Object delay facility structure is simple, and project cost is low, and low-carbon environment-friendly.
(2) the Regenerated Bone bed of material of the invention includes the upper Regenerated Bone bed of material (the construction refuse regenerated bone for being 5~10mm containing partial size
Material), (containing partial size is 30 for the middle Regenerated Bone bed of material (construction refuse regenerated aggregate for be 10~20mm containing partial size) and the lower Regenerated Bone bed of material
The construction refuse regenerated aggregate of~50mm), the layer-by-layer transition from small to large of the partial size of three layers of aggregate layer, therefore, Regenerated Bone in setting
The bed of material realizes the transition of upper the Regenerated Bone bed of material and the lower Regenerated Bone bed of material, and connection inside aggregate layer internal pore is not only enterprising from partial size
Row is reasonably formed a connecting link, and the effect of whole draining and the water storage of the Regenerated Bone bed of material is also made to be increased dramatically.
(3) nature bones such as gravel, rubble are all replaced using construction refuse regenerated aggregate in the Regenerated Bone bed of material of the invention
Material, the characteristics such as construction refuse regenerated aggregate has loose, porous, lightweight, (storage) water is functional thoroughly, water absorbing properties, draining
Performance and water storage performance are significantly better than the natural aggregates such as gravel, rubble, make the resulting sponge city containing construction refuse regenerated aggregate
Infiltration ability, water-holding capacity and the water purification ability that city's biology is detained facility are increased dramatically.
(4) class construction refuse regenerated aggregate is all mixed using brick in the Regenerated Bone bed of material of the invention, makes full use of building rubbish
Rubbish turns waste into wealth building waste, has both solved the problems, such as in " the building waste besieged city " increasingly sharpened in city, low-carbon environment-friendly,
It reduces building waste pollution environment and landfill occupies large amount of land resources, and solve the sandstone material in sponge Process of Urban Development
Expect short problem, reduces the project cost of sponge urban construction.
Detailed description of the invention
The present invention is described in further details in the following with reference to the drawings and specific embodiments.
Fig. 1 is the structural schematic diagram that the sponge urban biology of the invention containing construction refuse regenerated aggregate is detained facility.
In the above figure: 1 plain soil base；The 2 lower Regenerated Bone bed of materials；The Regenerated Bone bed of material in 3；The Regenerated Bone bed of material on 4；5 is raw
Object filtering medium layer；6 biological coatings；7 perforated drain pipes；8 overflow wells.
Specific embodiment
Embodiment 1
With reference to Fig. 1, a kind of sponge containing construction refuse regenerated aggregate that the embodiment of content according to the present invention is proposed
Urban biology is detained facility, and setting gradually specification from bottom to top in plain soil substrate surface is the lower Regenerated Bone bed of material, middle Regenerated Bone
The bed of material, the upper Regenerated Bone bed of material, biological filter media layer, biological coating, concrete construction method are as follows:
(1) surveying setting-out
Width releases mouth width on the groove of the sponge urban biology delay facility containing construction refuse regenerated aggregate according to demand
Position spreads out middle line and sideline with lime.
(2) channel excavation
Channel excavation is excavated using backacter slope and hand excavation, and live earthwork entrucking pulls out over-the-counter.Meet ground
It when underground pipelines, using hand excavation, carries out manually repairing slope and grooving after the completion of excavating, it is noted that groove width and slot when artificial grooving
It is deep, and hanging wire essence is flat.
It when channel excavation, first carries out measurement and positioning and indicates excavating sideline, it is errorless rear using excavator to discharge line review
It excavates, it is noted that retaining the protective layer of 20cm on bottom of trench elevation when excavation, manually clear bottom.Using small-sized ramming machine by substrate
Plain soil base is tamped, it is desirable that the compactness after compacting is not less than 93%.
(3) slope is manually brushed
Top of the slope stake, bottom of slope stake are released first, by designed elevation hanging wire.It is brushed with machinery with hand fit on groove brush slope
Slope, first use brusher slope, according to trench line with grade rod control the gradient, after manually brush slope.The earthwork extra in side slope is adopted
With all brush removes base slope linea angulata, extra earthwork heap to slope angle berm two sides, spoir whole roping to abandoning to slope angle from top to bottom
In native field.Or using brush slope is carried out from bottom to top, extra soil is drawn with transport vehicle in brush, spoil ground is transported to, to surface layer of subgrade bed
It cannot destroy, carry out compacting recovery after destruction in time.
Lack native part if having, soil identical with filler in greenbelt taken to be filled up, rear screed clap it is closely knit.Slope construction is complete
Finish, is checked in time with grade rod, shortcoming is filled up in time.
(4) the Regenerated Bone bed of material under making
The Regenerated Bone bed of material under the upper surface making of plain soil base, selecting partial size is the construction refuse regenerated bone of 30~50mm
Material is laid with, and construction refuse regenerated aggregate should first check appearance before being laid with, guarantee appearance it is clean, it is dry, without weathering, without miscellaneous
Matter, particle composition uniformly, using being manually transported to trench bottom when making.8.5cm is laid in the groove that biology is detained facility first
The construction refuse regenerated aggregate of 30 thick~50mm, then FH100 flexible porous tube (perforated drain pipe) is placed along ditch groove center, thoroughly
The caliber of water pipe is 100mm, and Water penetrative flexible pipe can carry out the building waste of the 30~50mm on pipe two sides and top while placement
Recycled aggregate is laid with up to the lower Regenerated Bone bed of material is with a thickness of 30cm.
(5) the Regenerated Bone bed of material in being laid with
The Regenerated Bone bed of material in the upper surface making of the lower Regenerated Bone bed of material selects the building waste that partial size is 10~20mm again
Raw aggregate is laid with, and the laying depth of the middle Regenerated Bone bed of material is 10cm.
(6) the Regenerated Bone bed of material on making
The Regenerated Bone bed of material on the upper surface making of the middle Regenerated Bone bed of material selects the building waste that partial size is 5~10mm again
Raw aggregate is laid with, and the laying depth of the upper Regenerated Bone bed of material is 5cm.
(7) making biological filter media layer
The biological filter media layer for being 60cm in the upper surface placement thickness of the upper Regenerated Bone bed of material is first (thin by 40% coarse sand
Spending modulus is 3.7~3.1, and average grain diameter is uniform for 0.5mm or more), 40% original soil and 20% coco bran mix, is transported to live groove
Side answers gradation good, and water content is best, and artificial backfill is higher than trench design absolute altitude 5cm (considering to sink).
(8) plant and biology coating is planted
In the upper surface of biological filter media layer, plantation can plant with a thickness of the biological coating of 62mm and resistance to flood drought-enduring plant
Such as Chinese silvergrass, Arundo donax, Chinese pennisetum or canna can also plant the plants such as conventional flowers and plants.
(9) slope is manually repaired
, should be levelling to bracing wire is carried out after slope construction, the place for the elevation that is above standard is modified in time, is lower than standard
The place of elevation should mend the levelling compacting of soil, make brush side slope it is linear smoothly to get the sponge city containing construction refuse regenerated aggregate
Biology is detained facility.
Embodiment 2
A kind of sponge urban biology is detained facility and its construction method, sets gradually from bottom to top in plain soil substrate surface
Specification is the lower Regenerated Bone bed of material, the middle Regenerated Bone bed of material, the upper Regenerated Bone bed of material, biological filter media layer, biological coating, specific
Construction method are as follows:
(1) surveying setting-out
Width releases mouth width on the groove of the sponge urban biology delay facility containing construction refuse regenerated aggregate according to demand
Position spreads out middle line and sideline with lime.
(2) channel excavation
Channel excavation is excavated using backacter slope and hand excavation, and live earthwork entrucking pulls out over-the-counter.Meet ground
It when underground pipelines, using hand excavation, carries out manually repairing slope and grooving after the completion of excavating, it is noted that groove width and slot when artificial grooving
It is deep, and hanging wire essence is flat.
It when channel excavation, first carries out measurement and positioning and indicates excavating sideline, it is errorless rear using excavator to discharge line review
It excavates, it is noted that retaining the protective layer of 20cm on bottom of trench elevation when excavation, manually clear bottom.Using small-sized ramming machine by substrate
Plain soil base is tamped, it is desirable that the compactness after compacting is not less than 93%.
(3) slope is manually brushed
Top of the slope stake, bottom of slope stake are released first, by designed elevation hanging wire.It is brushed with machinery with hand fit on groove brush slope
Slope, first use brusher slope, according to trench line with grade rod control the gradient, after manually brush slope.The earthwork extra in side slope is adopted
With all brush removes base slope linea angulata, extra earthwork heap to slope angle berm two sides, spoir whole roping to abandoning to slope angle from top to bottom
In native field.Or using brush slope is carried out from bottom to top, extra soil is drawn with transport vehicle in brush, spoil ground is transported to, to surface layer of subgrade bed
It cannot destroy, carry out compacting recovery after destruction in time.
Lack native part if having, soil identical with filler in greenbelt taken to be filled up, rear screed clap it is closely knit.Slope construction is complete
Finish, is checked in time with grade rod, shortcoming is filled up in time.
(4) the Regenerated Bone bed of material under making
The Regenerated Bone bed of material under the upper surface making of plain soil base, selecting partial size is the construction refuse regenerated bone of 30~50mm
Material is laid with, and construction refuse regenerated aggregate should first check appearance before being laid with, guarantee appearance it is clean, it is dry, without weathering, without miscellaneous
Matter, particle composition uniformly, using being manually transported to trench bottom when making.8.5cm is laid in the groove that biology is detained facility first
The construction refuse regenerated aggregate of 30 thick~50mm, then FH100 flexible porous tube is placed along ditch groove center, the caliber of water-permeable pipe is
100mm, Water penetrative flexible pipe can carry out the 30~50mm on pipe two sides and top construction refuse regenerated aggregate while placement are laid with
Up to the lower Regenerated Bone bed of material is with a thickness of 22cm.
(5) the Regenerated Bone bed of material in being laid with
The Regenerated Bone bed of material in the upper surface making of the lower Regenerated Bone bed of material selects the building waste that partial size is 10~20mm again
Raw aggregate is laid with, and the laying depth of the middle Regenerated Bone bed of material is 20cm.
(6) the Regenerated Bone bed of material on making
The Regenerated Bone bed of material on the upper surface making of the middle Regenerated Bone bed of material selects the building waste that partial size is 5~10mm again
Raw aggregate is laid with, and the laying depth of the upper Regenerated Bone bed of material is 10cm.
(7) making biological filter media layer
The biological filter media layer for being 50cm in the upper surface placement thickness of the upper Regenerated Bone bed of material is first (thin by 50% coarse sand
Spending modulus is 3.7~3.1, and average grain diameter is uniform for 0.5mm or more), 20% original soil and 30% coco bran mix, is transported to live groove
Side answers gradation good, and water content is best, and artificial backfill is higher than trench design absolute altitude 5cm (considering to sink).
(8) plant and biology coating is planted
In the upper surface of biological filter media layer, plantation can plant with a thickness of the biological coating of 50mm and resistance to flood drought-enduring plant
Such as Chinese silvergrass, Arundo donax, Chinese pennisetum or canna can also plant the plants such as conventional flowers and plants.
(9) slope is manually repaired
, should be levelling to bracing wire is carried out after slope construction, the place for the elevation that is above standard is modified in time, is lower than standard
The place of elevation should mend the levelling compacting of soil, make brush side slope it is linear smoothly to get the sponge city containing construction refuse regenerated aggregate
Biology is detained facility.
Embodiment 3
A kind of sponge urban biology is detained facility and its construction method, sets gradually from bottom to top in plain soil substrate surface
Specification is the lower Regenerated Bone bed of material, the middle Regenerated Bone bed of material, the upper Regenerated Bone bed of material, biological filter media layer, biological coating, specific
Construction method are as follows:
(1) surveying setting-out
Width releases mouth width on the groove of the sponge urban biology delay facility containing construction refuse regenerated aggregate according to demand
Position spreads out middle line and sideline with lime.
(2) channel excavation
Channel excavation is excavated using backacter slope and hand excavation, and live earthwork entrucking pulls out over-the-counter.Meet ground
It when underground pipelines, using hand excavation, carries out manually repairing slope and grooving after the completion of excavating, it is noted that groove width and slot when artificial grooving
It is deep, and hanging wire essence is flat.
It when channel excavation, first carries out measurement and positioning and indicates excavating sideline, it is errorless rear using excavator to discharge line review
It excavates, it is noted that retaining the protective layer of 20cm on bottom of trench elevation when excavation, manually clear bottom.Using small-sized ramming machine by substrate
Plain soil base is tamped, it is desirable that the compactness after compacting is not less than 93%.
(3) slope is manually brushed
Top of the slope stake, bottom of slope stake are released first, by designed elevation hanging wire.It is brushed with machinery with hand fit on groove brush slope
Slope, first use brusher slope, according to trench line with grade rod control the gradient, after manually brush slope.The earthwork extra in side slope is adopted
With all brush removes base slope linea angulata, extra earthwork heap to slope angle berm two sides, spoir whole roping to abandoning to slope angle from top to bottom
In native field.Or using brush slope is carried out from bottom to top, extra soil is drawn with transport vehicle in brush, spoil ground is transported to, to surface layer of subgrade bed
It cannot destroy, carry out compacting recovery after destruction in time.
Lack native part if having, soil identical with filler in greenbelt taken to be filled up, rear screed clap it is closely knit.Slope construction is complete
Finish, is checked in time with grade rod, shortcoming is filled up in time.
(4) the Regenerated Bone bed of material under making
The Regenerated Bone bed of material under the upper surface making of plain soil base, selecting partial size is the construction refuse regenerated bone of 30~50mm
Material is laid with, and construction refuse regenerated aggregate should first check appearance before being laid with, guarantee appearance it is clean, it is dry, without weathering, without miscellaneous
Matter, particle composition uniformly, using being manually transported to trench bottom when making.5.0cm is laid in the groove that biology is detained facility first
The construction refuse regenerated aggregate of 30 thick~50mm, then FH100 flexible porous tube is placed along ditch groove center, the caliber of water-permeable pipe is
100mm, Water penetrative flexible pipe can carry out the 30~50mm on pipe two sides and top construction refuse regenerated aggregate while placement are laid with
Up to the lower Regenerated Bone bed of material is with a thickness of 15cm.
(5) the Regenerated Bone bed of material in being laid with
The Regenerated Bone bed of material in the upper surface making of the lower Regenerated Bone bed of material selects the building waste that partial size is 10~20mm again
Raw aggregate is laid with, and the laying depth of the middle Regenerated Bone bed of material is 30cm.
(6) the Regenerated Bone bed of material on making
The Regenerated Bone bed of material on the upper surface making of the middle Regenerated Bone bed of material selects the building waste that partial size is 5~10mm again
Raw aggregate is laid with, and the laying depth of the upper Regenerated Bone bed of material is 15cm.
(7) making biological filter media layer
The biological filter media layer for being 70cm in the upper surface placement thickness of the upper Regenerated Bone bed of material is first (thin by 60% coarse sand
Spending modulus is 3.7~3.1, and average grain diameter is uniform for 0.5mm or more), 20% original soil and 20% coco bran mix, is transported to live groove
Side answers gradation good, and water content is best, and artificial backfill is higher than trench design absolute altitude 5cm (considering to sink).
(8) plant and biology coating is planted
In the upper surface of biological filter media layer, plantation can plant with a thickness of the biological coating of 75mm and resistance to flood drought-enduring plant
Such as Chinese silvergrass, Arundo donax, Chinese pennisetum or canna can also plant the plants such as conventional flowers and plants.
(9) slope is manually repaired
, should be levelling to bracing wire is carried out after slope construction, the place for the elevation that is above standard is modified in time, is lower than standard
The place of elevation should mend the levelling compacting of soil, make brush side slope it is linear smoothly to get the sponge city containing construction refuse regenerated aggregate
Biology is detained facility.
In above embodiments, overflow well is longitudinally disposed at sponge urban biology and is detained in facility, and the upper end of overflow well is higher by
Biological 10~100mm of coating is provided with overflow port at the top of overflow well, use is promptly drained when for heavy rain；Perforation draining
Pipe is set in the lower Regenerated Bone bed of material, and the bottom of overflow well is connected with one end of perforated drain pipe, and perforated drain pipe is used for will
The water discharge sponge urban biology infiltrated through in the lower Regenerated Bone bed of material is detained outside facility, and the other end of perforated drain pipe can be with municipal administration
The connection such as pipeline, irrigated for garden etc..
Construction refuse regenerated aggregate include partial size be 5~10mm construction refuse regenerated aggregate, partial size be 10~20mm's
The construction refuse regenerated aggregate of construction refuse regenerated aggregate, the construction refuse regenerated aggregate third gear specification that partial size is 30~50mm,
It is the different grains for forming concrete, mortar, stone, the brick and tile etc. in building waste after the techniques such as broken, magnetic separation, screening
The recycled aggregate of diameter.And the construction refuse regenerated aggregate of third gear specification is that brick mixes class mixing material, does not need brick and mixes
Solidifying soil block is separated by the difference of ingredient, reduces brick and concrete block separating technology, can be carried out to building waste abundant
It utilizes.Construction refuse regenerated aggregate answers washing process, answers clean, drying, without weathering, particle composition should uniformly have centainly strong
It spends and corrosion-resistant, particular technique index should meet the regulation of table 1.
1 construction refuse regenerated aggregate technical requirements of table
Test 1
The water absorbing capacity and water-holding capacity of natural rubble and construction refuse regenerated aggregate are tested, specific test method
Referring to JTG E42-2005 " highway engineering gather materials testing regulations ", test result is as shown in table 2:
2 natural rubble of table and construction refuse regenerated aggregate performance difference
Data in table 2 are the average value of 3 parallel tests.Compared with natural rubble, recycled aggregate surface porosity is more
Hole, aggregate itself porosity is more considerably beyond natural rubble, especially open pores, can greatly promote the water imbibition of aggregate.By
Table 2 is 0.1% it is found that the 1h of natural rubble and water absorption rate is unchanged for 24 hours；And the 1h water absorption rate of construction refuse regenerated aggregate
It is 14%, water absorption rate is 15.2% for 24 hours；The water absorbing capacity for showing construction refuse regenerated aggregate is the 140~150 of natural rubble
Times, it is applied to construction refuse regenerated aggregate as aquifer material in sponge urban construction, there are big advantage and potentiality.
The storage coefficient of construction refuse regenerated aggregate is higher than the storage coefficient of natural rubble, shows under the conditions of water storage thickness is increased,
The water-holding capacity of construction refuse regenerated aggregate is equally better than natural rubble.
In conclusion the water absorbing capacity and water-holding capacity of construction refuse regenerated aggregate are all substantially better than the water suction of natural rubble
Ability and water-holding capacity, construction refuse regenerated aggregate, which is detained facility for biology, can play the role of good water storage and infiltration,
It is a kind of effective way for solving ground material shortage using building waste production recycled aggregate substitution natural sand stone material, also can is sea
Continuous urban construction is done one's bit.
Test 2
The infiltration ability to the upper Regenerated Bone bed of material, the middle Regenerated Bone bed of material and the lower Regenerated Bone bed of material and water-holding capacity carry out respectively
Test, wherein the upper Regenerated Bone bed of material includes grain comprising the construction refuse regenerated aggregate that partial size is 5~10mm, the middle Regenerated Bone bed of material
Construction refuse regenerated aggregate that diameter is 10~20mm, the lower Regenerated Bone bed of material include the construction refuse regenerated bone that partial size is 30~50mm
Material, specific as follows:
1) test method:
Infiltration ability is tested referring to JTG E60-2008 " highway subgrade pavement on-the-spot test regulation ", and using storage
Water coefficient characterizes its water-holding capacity.
2) test result:
Seeping water, the results are shown in Table 3 for ability test, and water-holding capacity test result is as shown in table 4.
The infiltration ability test result of table 3
| Serial number | Structure sheaf | Quality/g | Time/s | Water/mL | Infiltration coefficient mL/min |
| 1 | The upper Regenerated Bone bed of material | 3300 | 12 | 400 | 2000 |
| 2 | The middle Regenerated Bone bed of material | 2810 | 3 | 400 | 8000 |
| 3 | The lower Regenerated Bone bed of material | 2831 | 5 | 400 | 4800 |
As shown in Table 3, the infiltration coefficient of the middle Regenerated Bone bed of material is 8000mL/min, hence it is evident that is higher than the upper Regenerated Bone bed of material under
The infiltration coefficient of the Regenerated Bone bed of material shows the middle Regenerated Bone bed of material being made of the construction refuse regenerated aggregate that partial size is 10~20mm
Permeability performance more preferably.
In addition, traditional gravel drainage blanket only include upper gravel layer (comprising partial size be 5~10mm natural rubble) and under
Gravel layer (comprising partial size be 30~50mm natural rubble), due to the particle size span of upper gravel layer and lower gravel layer medium stone compared with
Greatly, and the voidage of lower gravel layer is larger, and partial size is that the natural rubble of 5~10mm can fill downwards to lower gravel in upper gravel layer
In the natural rubble of 30~50mm in layer, causes the voidage of lower gravel layer to decline, influence the drainage effect of gravel drainage blanket.
And drainage blanket of the invention is the Regenerated Bone bed of material, can realize the upper Regenerated Bone bed of material by the middle Regenerated Bone bed of material of setting
It with the transition of the lower Regenerated Bone bed of material, is not only reasonably formed a connecting link from partial size, seeps the whole of the Regenerated Bone bed of material
Water effect is increased dramatically.
Therefore, the sponge urban biology of the invention containing construction refuse regenerated aggregate is detained in facility, the middle Regenerated Bone bed of material
Permeability performance be substantially better than the permeability performance of the Regenerated Bone bed of material and the lower Regenerated Bone bed of material, and the middle Regenerated Bone bed of material being arranged can
The transition of the Regenerated Bone bed of material and the lower Regenerated Bone bed of material in realization, so that the resulting sponge containing construction refuse regenerated aggregate of the present invention
The permeability performance that urban biology is detained facility is increased dramatically.
4 water-holding capacity test result of table
| Serial number | Structure sheaf | Storage coefficient/% | Structure sheaf | Storage coefficient/% |
| 1 | The upper Regenerated Bone bed of material | 7 | Upper gravel layer | 5 |
| 2 | The middle Regenerated Bone bed of material | 5 | Boulderet rock layers | 3 |
| 3 | The lower Regenerated Bone bed of material | 2 | Lower gravel layer | 2 |
As shown in Table 4, the storage coefficient of the upper Regenerated Bone bed of material is higher than the storage coefficient of upper gravel layer, the middle Regenerated Bone bed of material
Storage coefficient be higher than boulderet rock layers storage coefficient, show the upper Regenerated Bone bed of material being made of construction refuse regenerated aggregate, in again
The water storage performance of raw aggregate layer is better than the upper gravel layer being made of natural rubble, the water storage performance of boulderet rock layers respectively.Simultaneously
Show that the water storage performance of construction refuse regenerated aggregate is substantially better than the water storage performance of natural rubble, mainly due to being equally saturation
In the state that face is dry, construction refuse regenerated aggregate surface pore is more, and the natural aggregates such as rubble and gravel surface is smooth and hole
Gap is less, therefore the water-holding capacity of construction refuse regenerated aggregate is more excellent.
In addition, the water-holding capacity of the upper Regenerated Bone bed of material in the Regenerated Bone bed of material, the middle Regenerated Bone bed of material, the lower Regenerated Bone bed of material is successively
Successively decrease, this is because with the increase of construction refuse regenerated aggregate partial size, its water-holding capacity is gradually reduced in the Regenerated Bone bed of material.Gravel
Upper gravel layer in rock layers, boulderet rock layers, lower gravel layer water-holding capacity successively successively decrease, this is because in gravel layer with broken
Its water-holding capacity of the increase of stone grain diameter is gradually reduced.
In conclusion the sponge urban biology of the invention containing construction refuse regenerated aggregate, which is detained facility, has preferable inhale
Outlet capacity, infiltration ability and water-holding capacity, and the upper Regenerated Bone bed of material and lower recycled aggregate can be achieved in the setting of the middle Regenerated Bone bed of material
The transition of layer, so that the water absorbing capacity of the resulting sponge urban biology delay facility containing construction refuse regenerated aggregate of the present invention,
Infiltration ability and water-holding capacity are increased dramatically.
The main component of building waste is inorganic material, and acidproof, alkaline-resisting, water-tolerant, chemical property is more stable, simultaneously
Also have a stable physical property: particle is big, good water permeability, not freezing up, plasticity are small, is a kind of to build well after treatment
Material is built, is applied to engineering construction again, can accomplish to make the best use of everything, turn waste into wealth.It is construction refuse regenerated compared with natural rubble
The characteristics such as aggregate has loose, porous, lightweight, (storages) water is functional thoroughly are especially suitable for sponge urban construction for construction material
The needs of material.Both " sponge city " and " construction refuse resource utilization " combines closely, and construction refuse regenerated aggregate is used
It is detained the biologies such as careless ditch in Rain Garden, biology and is detained facility, can significantly alleviates the discharge pressure of city sewer, reduce city
Waterlogging pushes sponge urban construction.
Also can solve simultaneously the natural resources such as sandstone are increasingly in short supply, building waste increasingly increased severe situation the problems such as,
Building waste is turned waste into wealth, the use of rubble, the lithotomes such as gravel is reduced, significantly reduces project cost, it is resulting containing building
The sponge urban biology of building refuse recycled aggregate is detained facility such as Rain Garden, the infiltration of ecostagnation grass ditch, water storage performance more
It is good.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modification and variations of the invention belong to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of sponge urban biology is detained facility, which is characterized in that successively set from bottom to top in plain soil base (1) upper surface
Set the Regenerated Bone bed of material, biological filter media layer (5), biological coating (6)；Wherein, the Regenerated Bone bed of material is from the bottom up successively
Include the lower Regenerated Bone bed of material (2), the middle Regenerated Bone bed of material (3) and the upper Regenerated Bone bed of material (4).
2. sponge urban biology according to claim 1 is detained facility, which is characterized in that the lower Regenerated Bone bed of material (2)
The construction refuse regenerated aggregate for being 30~50mm comprising partial size.
3. sponge urban biology according to claim 1 is detained facility, which is characterized in that the middle Regenerated Bone bed of material (3)
The construction refuse regenerated aggregate for being 10~20mm comprising partial size.
4. sponge urban biology according to claim 1 is detained facility, which is characterized in that the upper Regenerated Bone bed of material (4)
The construction refuse regenerated aggregate for being 5~10mm comprising partial size.
5. sponge urban biology according to claim 1 is detained facility, which is characterized in that the biological filter media layer
It (5) include sand, original soil and coco bran.
6. sponge urban biology according to claim 5 is detained facility, which is characterized in that the biological filter media layer
(5) comprising 40~60 parts of sand, 20~40 parts of original soil and 10~30 parts of coco bran.
7. described in any item sponge urban biologies are detained facility according to claim 1~6, which is characterized in that further include overflow
Well (8) and perforated drain pipe (7), the overflow well (8) is longitudinally disposed at the sponge urban biology and is detained in facility, described to overflow
The upper end of stream well (8) is higher by biological (6) 10~100mm of coating, and the perforated drain pipe (7) is set to the lower recycled aggregate
In layer (2), the bottom of the overflow well (8) is connected with the perforated drain pipe (7).
8. the construction method that a kind of sponge urban biology is detained facility, which comprises the following steps:
Step 1, excavate groove, the Regenerated Bone bed of material under plain soil base upper surface making in the trench, use partial size for 30~
The construction refuse regenerated aggregate making of 50mm；
Step 2, the Regenerated Bone bed of material in the upper surface making of the lower Regenerated Bone bed of material, uses partial size for the building of 10~20mm
Garbage regeneration aggregate making；
Step 3, the Regenerated Bone bed of material on the upper surface making of the middle Regenerated Bone bed of material, uses partial size for the building of 5~10mm
Garbage regeneration aggregate making；
Step 4, in the upper surface making biological filter media layer of the upper Regenerated Bone bed of material, using sand, original soil and coco bran making；
Step 5, it in the upper surface kind plant and biology coating of the biological filter media layer, obtains sponge urban biology and is detained facility.
9. the construction method that sponge urban biology according to claim 8 is detained facility, which is characterized in that the lower regeneration
Aggregate layer with a thickness of 15~30cm, the middle Regenerated Bone bed of material with a thickness of 10~30cm, the thickness of the upper Regenerated Bone bed of material
Degree is 5~15cm.
10. the construction method that sponge urban biology according to claim 8 is detained facility, which is characterized in that the biology
Filtering medium layer with a thickness of 50~70cm, the biology coating with a thickness of 50~75mm.
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| CN109914564A (en) * | 2019-01-28 | 2019-06-21 | 华北水利水电大学 | It is a kind of to store and be sustained the underground shallow layer structure recycled for rainwater |
| CN112499757A (en) * | 2021-01-29 | 2021-03-16 | 中机国际工程设计研究院有限责任公司 | Graded biofiltration medium, preparation method thereof and graded biofiltration system |
| CN112544349A (en) * | 2020-11-09 | 2021-03-26 | 江苏龙腾工程设计股份有限公司 | Water amount self-control type rainwater garden special for green sponge and construction method |
| CN112919631A (en) * | 2021-01-29 | 2021-06-08 | 中机国际工程设计研究院有限责任公司 | Graded biofiltration medium, preparation method thereof and graded biofiltration system |
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