CN109989474A - A kind of construction method of rain water collecting system - Google Patents
A kind of construction method of rain water collecting system Download PDFInfo
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- CN109989474A CN109989474A CN201711476741.7A CN201711476741A CN109989474A CN 109989474 A CN109989474 A CN 109989474A CN 201711476741 A CN201711476741 A CN 201711476741A CN 109989474 A CN109989474 A CN 109989474A
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B11/00—Arrangements or adaptations of tanks for water supply
- E03B11/10—Arrangements or adaptations of tanks for water supply for public or like main water supply
- E03B11/14—Arrangements or adaptations of tanks for water supply for public or like main water supply of underground tanks
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
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Abstract
The invention discloses the construction methods of rain water collecting system, are related to rainwater utilization technology, for solving water resource Utilizing question；Its step includes: basal layer to be laid with after tamping foundation pit, and in foundation pit with concrete backfill to designed elevation in construction ground excavation pit first；Then pour pool wall, construct foundation pit waterproof layer, it is levelling after in foundation pit assembled water storage module；Then it is laid with rain water collecting system permeable layer, the earthwork is backfilled after the completion of being laid with, and inlet and outlet pipes are installed, completes construction procedure；The present invention has the following advantages and effects: the rain water collecting system that the present invention is built, have many advantages, such as structural strength height, short construction period, it is easy for installation, combination flexibly and long service life, and have the function of filtering, storage rainwater, these rainwater can be used in the purposes such as treegarden irrigation, road cleaning, the frequency of use of originally water resource is reduced, to achieve the purpose that improve water utilization rate.
Description
Technical field
The present invention relates to rainwater utilization technology, in particular to a kind of construction method of rain water collecting system.
Background technique
The gross amount of water resources in China is simultaneously many, but utilized water resources ranking world end per capita, solves water resources shortage
With water environment degradation problem be the whole world realize population, environment, economy and society sustainable development primary constraint.
In recent years, the utilization technology of rainwater resource is gradually risen in China, and the utilization of rainwater is mainly used for gard watering, lavatory
The purposes such as rinse；The method of common processing rainwater is broadly divided into physical method and biochemical method；Physical method include coagulation,
Precipitating and filtering, the most common mode is to build filtering ponds, and rainwater resource is handled by the way of physical filtering；And biochemical method
Including artificial wet land system, stabilization pond, biofilter, rotating bio-disc reactor, bio-contact oxidation, biological vulcanization bed reactor
And agent, soil treatment method, biochemical treatment mode can more thoroughly kill the microorganism in rainwater, but be easy to cause chemical dirt
Object residual is contaminated, the further pollution of soil and water resource is caused.
According to the purposes of rainwater resource, requirement just can satisfy using physical filtering method, therefore use and build rain
The mode of water collection system handles rainwater resource, but existing rain water collecting system is in the construction process, for receiving
The construction of collection bottom of pond portion is generally only the form of direct casting concrete, and the construction of pool wall and basal layer is usually to separate
, since soil layer is sagging as the flowing of underground water can generate, it be easy to cause the basal layer of bottom of foundation ditch after prolonged use
It is broken with pool wall, how to improve the structural strength of foundation pit, extend the service life of rain water collecting system, become new period solution
The certainly important subject of water resource Utilizing question.
Summary of the invention
The object of the present invention is to provide a kind of construction methods of rain water collecting system, using layer and section armored concrete knot
Structure can enhance the bonding strength between pool wall and basal layer, to achieve the purpose that improve rain water collecting system service life.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of applying for rain water collecting system
Work method, step include:
A. excavation pit: the foundation pit that depth is greater than 5 meters is excavated out in construction location using excavator, is spread after compacting in bottom of foundation ditch
If supporting course, and with concrete backfill to designed elevation, scene uses layer and section digging mode, every layer of 50 ~ 60cm of excavation, and
In excavation to basic bottom absolute altitude, by manually repairing digging, basic side slope amplifies reserved 20cm as needed, and carries out at reinforcing
Reason prevents from collapsing；
B. basal layer is constructed: foundation pit is cut the earth after completion and acceptance(check), is bound baseplate reinforcing bar, shuttering immediately, is poured C25 coagulation
Soil, and smash to pouring layer flat, formation basal layer；
C. pool wall is constructed: with concreting pool wall, pool wall height is 3.58m, wall thickness 800mm, is poured using unilateral formwork, layering
The mode built, every layer concrete pour with a thickness of 300mm, and scaffolder, carpenter template and branch check at any time in casting process
Support has non-loosening, and carries out corresponding reinforcing；
D. water storage module is constructed: it is with fine sand that basal layer is levelling, clear water is sprayed on fine sand after levelling, and fine sand layer is made to keep tide
It is wet, it is then successively laid with geotextiles, antiseepage film, leakage-preventing composite geotextile in fine sand layer, after completing waterproof layer laying, arranges people
Member's on-site consolidation water storage module in foundation pit；
E. permeable layer is constructed: the thick husky, 300mm of 200mm thickness cystosepiment, 300mm thickness rubble, 300mm is successively spread on water storage module
The bed die of thick charcoal and 300mm thickness planting soil layer as permeable layer, bed die should uniformly shakeout when being laid with；
F. backfilling of earthwork: the backfill of the earthwork, which is layered, to be carried out, and every thickness degree 500mm, every layer of earthwork is both needed to using machinery after backfill
It is tamped, and preserved pipeline installation pit during backfill；
G., storm sewer is installed.
It, can be during foundation pit excavates convenient for control by foundation pit stage excavation in step a by using above scheme
The excavating depth of foundation pit reduces the destruction to bottom of foundation ditch stress layer, does not allow soil stress layer so that foundation pit is not easy to backbreak
It generates and sink easily under the washing away of underground water；In step b, using the substrate of baseplate reinforcing bar, shuttering and concreting formation
Layer can cooperate while reinforcing supporting course bearing capacity with pool wall, enhance the seepage capability of foundation pit, and check and accept in foundation pit
Basal layer is laid with after qualification at once, the time of substrate exposure can be reduced, reduces the possibility that substrate generates disturbance because being drenched with rain
Property, improve the structural strength of foundation pit；In step c, by concreting in lifts, every layer concrete is made all to stand pressure after pouring
It is real, make to be not easy gas chamber occur in concrete, so that concrete more consolidation after solidification, is improving the same of foundation pit structure intensity
When, make pool wall that there is better seepage capability, and unilateral formwork makes the steel frame construction and substrate of formwork during building
Layer is fixedly connected, and makes pool wall that can have higher bonding strength between basal layer after pouring；In step d, fine sand
Layer sprays clear water when being laid with, and can make mutually to be bonded together between fine sand by the tension of water, after keeping bottom of foundation ditch levelling
It is not easy because fine sand flows caused by by the wind blowing, so that can uniformly press to basal layer after water storage module installation, makes basal layer
It is not easy unevenly to sink because being generated by unilateral power, to make more to be less likely to occur to be broken between pool wall and basal layer；Step e
In top plate the rainwater for penetrating ground can be filtered, and by filtered rainwater storage in water storage module；Using
The rain water collecting system that this form of construction work is built, during construction, each stress layer is that layer and section is constructed, and is made
Obtaining a stress layer can check in time during construction, adjust construction parameter, and need between pool wall and basal layer
It to be fixedly connected by unilateral formwork, make pool wall that there is between basal layer higher bonding strength after pouring, so that
When soil stress layer occurs to sink, the position being connected between pool wall and basal layer is less likely to occur to be broken, to reach raising
The purpose of rain water collecting system service life；And permeable layer can enter in water storage module for the rain penetration on ground, because
This can adjust surface gathered water in rainy season, alleviate municipal drainage pressure, to reach the mesh for reducing flood possibility occurrence
's.
The further setting of the present invention are as follows: in step a, the supporting course is using weathering packsand as supporting course, holding force
Layer is with a thickness of 300mm.
By using above scheme, rain water collecting system is embedded in subsurface, using weathering packsand as supporting course,
Bottom of foundation ditch can be kept smooth as far as possible when being laid with, and basal layer and bottom of foundation ditch can be increased when basal layer is laid with
Contact area, and then increase the forced area of bottom of foundation ditch, so that rain water collecting system be made to be less likely to occur in use
Sedimentation.
The further setting of the present invention are as follows: in step b, the basal layer is embedded with earth anchor in the construction process.
By using above scheme, earth anchor can make during pool wall is constructed for being attached with unilateral formwork
Concrete is not easy to push the movement of wood glue plate during pouring, and the construction of pool wall needs the concrete in basal layer solidifying
It is carried out before Gu, because the connection between pool wall and basal layer will become loosely if being poured again after concrete setting
It leans on, therefore earth anchor needs the baseplate reinforcing bar by earth anchor and basal layer to weld, increase unilateral formwork and basal layer when embedded
Between bonding strength, so that the connecting portion between pool wall and basal layer be made to be less likely to occur to be broken.
The further setting of the present invention are as follows: in step c, the unilateral formwork construction supported using steel diagonal brace, wood glue plate
As form surfacing, the lumps of wood as secondary joist, steel pipe as main joist, the subsequent casting concrete between Tu Bi and wood glue plate,
Steel plate for sealing water is installed after the completion of pouring at the top of formwork, and contacts steel plate for sealing water with concrete.
By using above scheme, wood glue plate be with do not include cellulosic fibre filler via trigger squeeze processing and fabricating and
At wood-based plate, there is good corrosion-resistant and waterproof ability, and concrete contains large quantity of moisture, therefore wood glue before curing
Plate can have the ability of good resistance to concrete erosion, and wood glue plate is in the case where also needing disassembly after concrete solidifies completely
Come, steel pipe and steel diagonal brace are wrapped up into concrete at this time, can enhance the structural strength of concrete, to reach raising foundation pit
The purpose of structural strength.
The further setting of the present invention are as follows: the part that the steel pipe is in contact with basal layer is fixed by earth anchor and basal layer
Connection.
By using above scheme, steel pipe is mainly used for for unilateral formwork being attached with earth anchor, makes unilateral formwork and base
The baseplate reinforcing bar of bottom is fixed, and concrete can have the trend of slump during pouring, this trend is deposited
It will use the trend that there is overflow in the concrete for forming basal layer, therefore during concreting, needing in base
Wood glue plate is laid on bottom, and with earth anchorage wood glue plate, in order to avoid concrete overflow, doing so can either be prevented on concrete
It overflows, and the consistency of concrete can be increased, to further increase the structural strength of foundation pit.
The further setting of the present invention are as follows: in step c, every layer concrete requires to be smash with densifier equipment when pouring
It is real.
By using above scheme, the layering that pours of pool wall is carried out, and is all carried out once after every layer concrete pours
Tamping, air mixed in concreting process can be excluded from concrete, step up the structure of concrete more as far as possible
It is real, so that concrete is not easy stomata occur after solidification, so that pool wall be made to have better seepage capability.
The further setting of the present invention are as follows: in step d, then the leakage-preventing composite geotextile will using geotextiles as substrate
Pitch immerses in geotextiles, the coating rubber in geotextiles again after pitch cooled and solidified.
By using above scheme, geotextiles have stronger infiltration ability, in order to enable water storage module to save rainwater,
It needs to carry out Anti-seeping technology to geotextiles, pitch can increase the structural strength of geotextiles, geotextiles is made to be able to bear water storage mould
The weight of block, and rubber can separate pitch with rainwater, and the chemical substance that may contain in pitch is made to be not easy to penetrate into rain
In water, so that leakage-preventing composite geotextile be made to pollute while playing the role of anti-seepage effect with barrier.
The further setting of the present invention are as follows: in step d, permeable layer is when being laid in cystosepiment, metalling, charcoal layer, sand
Geotextile is equipped between layer and planting soil layer as separation.
By using above scheme, metalling, sand bed, planting soil layer and geotextile are used to seep for surface rain, and
The surface rain permeated is filtered, geotextile is used to separate each permeable layer when permeable layer is laid with, convenient for control
The laying depth of permeable layer processed, and thick foam can reduce the exposed area of water storage module, the evaporation of rainwater be obstructed, to reach
Extend the purpose of rainwater duration.
The further setting of the present invention are as follows: the geotextile is terylene filter cloth.
By using above scheme, terylene filter cloth has many advantages, such as acid and alkali-resistance, wear-resisting, corrosion-resistant and without side effect, in rain
There can be good filter effect in water filter process.
In conclusion the invention has the following advantages: the rain water collecting system built using construction method of the present invention,
Have structural strength height, short construction period, easy for installation, combination flexible relative to concrete basin and long service life etc. is excellent
Point, and the rain water collecting system built out has the function of filtering, storage rainwater, and these collected rainwater can be used in
The purposes such as treegarden irrigation, road cleaning, reduce the frequency of use of originally water resource, the Natural Water money for making full use of the Nature to assign
Source, to achieve the purpose that improve water utilization rate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram after present invention completion；
Fig. 2 is the partial enlarged view being located at A in Fig. 1.
In figure: 1, foundation pit；2, supporting course；3, basal layer；31, baseplate reinforcing bar；32, shuttering；4, earth anchor；5, unilateral branch
Mould；51, steel diagonal brace；52, wood glue plate；53, the lumps of wood；54, steel pipe；6, concrete；7, steel plate for sealing water；8, geotextiles；9, antiseepage film；
10, leakage-preventing composite geotextile；11, water storage module；12, cystosepiment；13, rubble；14, charcoal；15, husky；16, planting soil；17, into
Waterpipe；18, outlet conduit；19, geotextile.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
A kind of construction method of rain water collecting system, referring to figs. 1 and 2, specifically includes the following steps:
A. excavation pit: excavating out foundation pit 1 in construction location using excavator, and the projected depth of this project foundation pit 1 is 5m, but
Need to consider the laying of supporting course 2 during practice of construction, therefore practical cutting depth is greater than 5m, specific cutting depth can be according to applying
Work scene is adjusted, and scene uses layer and section digging mode, every layer of 50 ~ 60cm of excavation, and is excavating to basic bottom absolute altitude
When reserved 20cm amplified as needed by manually repairing diggings, basic side slope, and carry out ground tamping and handle and prevent from collapsing；Foundation pit
1 after the completion of excavation, needs to tamp hole bottom, to improve the bearing capacity of soil；It is laid with and holds in 1 bottom of foundation pit after compacting
Power layer 2, supporting course 2 using being laid with a thickness of the weathering fine sand rock panel of 300mm, weathering packsand after the completion of laying,
Concrete 6 with strength grade for C25 is poured in weathering fine sand rock panel, and is poured until designed elevation；
B. basal layer is constructed: foundation pit 1 is cut the earth after completion and acceptance(check), binds baseplate reinforcing bar 31 immediately, and baseplate reinforcing bar 31 is table
The screwed reinforcing bar in face, baseplate reinforcing bar 31 are bound with " well " character form structure, and in 31 shapes of " well " font baseplate reinforcing bar
At grid in place steel shuttering 32, and baseplate reinforcing bar 31 intersect node at weld earth anchor 4, be laid with after the completion of pour
C25 concrete 6 is built, shuttering 32 is fixedly connected with baseplate reinforcing bar 31, it should be noted that it cannot during concrete 6 pours
So that the thickness that pours of concrete 6 was not had earth anchor 4, and smash to pouring layer flat, formation basal layer 3 in casting process；It is pouring
Must make the best use of time to carry out in time when smashing concrete 6, to reduce the time that basal layer 3 exposes in air, reduce basal layer 3 by
It drenches with rain and impregnates and generate the amplitude of disturbance；
C. pool wall is constructed: pool wall needs carry out before the concrete setting of basal layer 3, and using concrete 6 as main structure,
Pool wall height is 3.58m, wall thickness 800mm, then needs assembled water storage module 11 in foundation pit 1, therefore can only use unilateral formwork 5
Mode construct, unilateral formwork 5 construction is supported using steel diagonal brace 51, wood glue plate 52 is made as form surfacing, the lumps of wood 53
It is used as main joist for secondary joist, steel pipe 54, the lumps of wood 53 is mainly used for connecting adjacent two blocks of wood glue plates 52；Steel pipe 54 is used as main joist
It needs to be fixedly connected steel pipe 54 with earth anchor 4 during installation, to limit the displacement of wood glue plate 52, and improves pool wall and substrate
The bonding strength of layer 3；The then casting concrete 6 between Tu Bi and wood glue plate 52；It is needed before pouring in the mixed of basal layer 3
It is laid with wood glue plate 52 on solidifying soil, and is fixed with earth anchor 4, because pool wall, when pouring, concrete can generate collapsing, these
The coagulation of collapsing, which is known from experience, makes the concrete of 3 part of basal layer generate overflow, it is therefore desirable to wood glue plate 52 is laid with, to prevent concrete
Overflow, the laying of wood glue plate is limited with being completely covered by underlayment；Pool wall is carried out pouring layered, and every layer concrete 6 pours
It builds with a thickness of 300mm, and scaffolder, carpenter wood glue plate 52 and are supported by non-loosening check at any time in casting process, and carry out
It is corresponding to reinforce；Steel plate for sealing water 7 is installed after the completion of pouring at the top of pool wall, and contacts steel plate for sealing water 7 with concrete 6, it will
Concrete 6 wraps up, and after the solidification of concrete 6, removes steel plate for sealing water 7 and wood glue plate 52；
D. water storage module is constructed: it is with fine sand 15 that basal layer 3 is levelling after the concrete of basal layer 3 and pool wall solidifies completely, carefully
Sand 15 needs constantly to spray clear water during levelling, keeps 15 layers of holding of fine sand moist, and moisture can make fine sand 15 mutually viscous
Knot, fine sand 15 is less likely to occur slack, and geotextiles 8 are then successively laid on 15 layers of fine sand after levelling, antiseepage film 9, are prevented
Composite earthwork cloth 10 is seeped, geotextiles 8 are water penetration geosynthetics made of being pierced or woven by needle as synthetic fibers；Antiseepage
Film 9 is polyethylene film for earthwork, mainly translucent to the opaque thermoplastic resin material of milky-polyvinyl resin production
It forms；Leakage-preventing composite geotextile 10 is substrate with geotextiles 8, is then immersed pitch in geotextiles 8, after pitch cooled and solidified
The coating rubber in geotextiles 8 again, so that geotextiles 8 have the function of antiseepage；After completing waterproof layer laying, arrange personnel in base
On-site consolidation water storage module 11 in hole 1, the water storage module 11 that the present invention uses are made of PP polypropylene plastics, and rainwater saves mould
Block is the novel product that one kind can be used to store water, but occupy little space, and has 95% hollow space in space structure, can
To realize efficient water storage, and its internal tapered hollow load-bearing pillar bearing capacity with super strength, so that rainwater-collecting system
Side can be used as the purposes such as lawn, road surface or parking lot to system thereon after the completion of building；
E. permeable layer construct: after completing 11 assembly of water storage module, successively spread on water storage module 11 200mm thickness cystosepiment 12,
Bed die of thick husky 16 layers of planting soil of the 15 and 300mm thickness of 300mm thickness rubble 13,300mm thickness charcoal 14,300mm as permeable layer, respectively
Permeable layer bed die paves between each other has geotextile 19 as separation, and each permeable layer bed die should uniformly be spread out when being laid with
It is flat；Planting soil 16, sand 15 and rubble 13 are mainly used for filtering rainwater, and the impurity actually mainly contained in rainwater is silt 15,
Silt 15 is most of after the filter plate of planting soil 16, fine sand 15, charcoal 14 and rubble 13 to be all trapped, into water storage mould
Rainwater clarity in block 11 has been able to satisfy requirement, and charcoal 14 can retain the microorganism that may contain in rainwater,
Improve the water quality for entering rainwater in water storage module 11；Permeable layer can allow the ponding on road surface to penetrate into water storage module,
It can reduce the probability of flood generation when rainy season；
F. backfilling of earthwork: the backfill of the earthwork, which is layered, to be carried out, and every thickness degree 500mm, every layer of earthwork is both needed to using machinery after backfill
It is tamped, and preserved pipeline installation pit during backfill；
G., storm sewer is installed, storm sewer is divided into water inlet line 17 and outlet conduit 18, and water inlet line 17 is connected to rainwater-collecting
Filtering ponds, and outlet conduit 18 is connected to delivery pump, the rainwater in reservoir can be delivered to the ground such as parking lot, lawn；In rain
Waterpipe continues backfill side after installing, and entire rain water collecting system is buried, then at the top of rain water collecting system
It is laid with pervious floor tile, so that surface gathered water can penetrate into water storage module.
Rain water collecting system structure after the completion of laying is as depicted in figs. 1 and 2, is followed successively by planting soil 16, sand from top to bottom
15, charcoal 14, rubble 13, cystosepiment 12, water storage module 11, leakage-preventing composite geotextile 10, geotextiles 8, antiseepage film 9, basal layer 3
With supporting course 2, surrounding is the pool wall of concreting.
This construction method has structural strength height, short construction period, easy for installation, combination flexible and long service life etc. is excellent
Point, the rain water collecting system built out have the function of filtering, storage rainwater, these collected rainwater can be used in gardens
The purposes such as irrigation, road cleaning, reduce the frequency of use of originally water resource, the natural water resource for making full use of the Nature to assign,
Improve the utilization rate of water resource；And water storage space and superpower load-carrying members of the water storage module of honeycomb with superelevation,
So that rain water collecting system can reduce rainwater collection as purposes such as lawn, road and parking lots at the top of it after the completion of construction
Occupancy of the collecting system to city space；And the structure of percolating type can make road surface product when occurring in rainy season for rainwater of regulating and storing
Water energy enough leaks into water storage module, to have the function of alleviating municipal drainage pressure.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (9)
1. a kind of construction method of rain water collecting system, step include:
A. excavation pit: the foundation pit that depth is greater than 5m is excavated out in construction location using excavator, is spread after compacting in bottom of foundation ditch
If supporting course, and with concrete backfill to designed elevation, scene uses layer and section digging mode, every layer of 50 ~ 60cm of excavation, and
In excavation to basic bottom absolute altitude, by manually repairing digging, basic side slope amplifies reserved 20cm as needed, and carries out at reinforcing
Reason prevents from collapsing；
B. basal layer is constructed: foundation pit is cut the earth after completion and acceptance(check), is bound baseplate reinforcing bar, shuttering immediately, is poured C25 coagulation
Soil, and smash to pouring layer flat, formation basal layer；
C. pool wall is constructed: with concreting pool wall, pool wall height is 3.58m, wall thickness 800mm, is poured using unilateral formwork, layering
The mode built, every layer concrete pour with a thickness of 300mm, and scaffolder, carpenter template and branch check at any time in casting process
Support has non-loosening, and carries out corresponding reinforcing；
D. water storage module is constructed: it is with fine sand that basal layer is levelling, clear water is sprayed on fine sand after levelling, and fine sand layer is made to keep tide
It is wet, it is then successively laid with geotextiles, antiseepage film, leakage-preventing composite geotextile in fine sand layer, after completing waterproof layer laying, arranges people
Member's on-site consolidation water storage module in foundation pit；
E. permeable layer construct: successively spread on water storage module 200mm thickness cystosepiment, 300mm thickness rubble, 300mm thickness charcoal,
Bed die of the thick husky and 300mm thickness planting soil layer of 300mm as permeable layer, bed die should uniformly shakeout when being laid with；
F. backfilling of earthwork: the backfill of the earthwork, which is layered, to be carried out, and every thickness degree 500mm, every layer of earthwork is both needed to using machinery after backfill
It is tamped, and preserved pipeline installation pit during backfill；
G., storm sewer is installed.
2. a kind of construction method of rain water collecting system according to claim 1, it is characterised in that: described to hold in step a
Power layer is using weathering packsand as supporting course, and supporting course is with a thickness of 300mm.
3. a kind of construction method of rain water collecting system according to claim 1, it is characterised in that: in step b, the base
Bottom is embedded with earth anchor in the construction process.
4. a kind of construction method of rain water collecting system according to claim 1, it is characterised in that: in step c, the list
Formwork construction in side supported using steel diagonal brace, wood glue plate as form surfacing, the lumps of wood as secondary joist, steel pipe as main joist,
The then casting concrete between Tu Bi and wood glue plate, installs steel plate for sealing water, and make water-stopping steel at the top of formwork after the completion of pouring
Plate is contacted with concrete.
5. a kind of construction method of rain water collecting system according to claim 4, it is characterised in that: the steel pipe and substrate
The part that layer is in contact is fixedly connected by earth anchor with basal layer.
6. a kind of construction method of rain water collecting system according to claim 1, it is characterised in that: in step c, every layer mixed
Solidifying soil requires to be consolidated with densifier equipment when pouring.
7. a kind of construction method of rain water collecting system according to claim 1, it is characterised in that: described anti-in step d
Composite earthwork cloth is seeped using geotextiles as substrate, is then immersed pitch in geotextiles, again in geotextiles after pitch cooled and solidified
Upper coating rubber.
8. a kind of construction method of rain water collecting system according to claim 1, it is characterised in that: in step d, top plate
Bed die, which is equipped with geotextile between cystosepiment, metalling, charcoal layer, sand bed and planting soil layer when being laid with and is used as, to be divided
Every.
9. a kind of construction method of rain water collecting system according to claim 8, it is characterised in that: the geotextile is
Terylene filter cloth.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112696058A (en) * | 2020-12-31 | 2021-04-23 | 上海二十冶建设有限公司 | Construction method of rain-proof and rain-collecting device for open excavation foundation pit of tunnel |
| WO2023208309A3 (en) * | 2022-04-25 | 2023-12-21 | Emac Lagoons | An innovative system for the construction and operation of an artificial lake with a huge water body used for recreational purposes |
| WO2023193870A3 (en) * | 2022-04-06 | 2024-06-06 | Emac Lagoons | An innovative system for lining of the large water structures that ensures that water does not leak out of the structure |
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| WO2023193870A3 (en) * | 2022-04-06 | 2024-06-06 | Emac Lagoons | An innovative system for lining of the large water structures that ensures that water does not leak out of the structure |
| WO2023208309A3 (en) * | 2022-04-25 | 2023-12-21 | Emac Lagoons | An innovative system for the construction and operation of an artificial lake with a huge water body used for recreational purposes |
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