CN113123656B - Rainwater storage tank built by using plastic formwork and construction method thereof - Google Patents
Rainwater storage tank built by using plastic formwork and construction method thereof Download PDFInfo
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- CN113123656B CN113123656B CN202110528787.9A CN202110528787A CN113123656B CN 113123656 B CN113123656 B CN 113123656B CN 202110528787 A CN202110528787 A CN 202110528787A CN 113123656 B CN113123656 B CN 113123656B
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- 239000004033 plastic Substances 0.000 title claims abstract description 112
- 229920003023 plastic Polymers 0.000 title claims abstract description 112
- 238000009415 formwork Methods 0.000 title claims abstract description 88
- 238000010276 construction Methods 0.000 title abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 239000004793 Polystyrene Substances 0.000 claims description 4
- 229920002223 polystyrene Polymers 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 18
- 239000010802 sludge Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract description 2
- 238000004140 cleaning Methods 0.000 abstract 1
- 239000002689 soil Substances 0.000 description 11
- 238000009434 installation Methods 0.000 description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 238000011010 flushing procedure Methods 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 229920006389 polyphenyl polymer Polymers 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H7/00—Construction or assembling of bulk storage containers employing civil engineering techniques in situ or off the site
- E04H7/02—Containers for fluids or gases; Supports therefor
- E04H7/18—Containers for fluids or gases; Supports therefor mainly of concrete, e.g. reinforced concrete, or other stone-like material
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Health & Medical Sciences (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Sewage (AREA)
Abstract
The application relates to the technical field of rainwater recycling, in particular to a rainwater storage tank built by using a plastic formwork and a construction method thereof, wherein the rainwater storage tank comprises concrete retaining walls cast on the side walls around a foundation pit, a concrete bottom plate cast on the bottom surface of the foundation pit and a plastic formwork assembly arranged on the bottom surface of the foundation pit, a concrete top plate is paved above the plastic formwork assembly, and an overhaul hole is arranged on the concrete top plate; the plastic formwork assembly comprises a plurality of groups of fixing frames arranged on a concrete bottom plate, a plurality of support columns vertically and detachably connected to the fixing frames and a plurality of plastic formworks arranged at the upper ends of the support columns, the support columns are hollow and have two open ends, the edges of two adjacent plastic formworks are contacted, and the concrete top plate is paved on the surface of the plastic formworks. The application has the effects of improving the inconvenience of cleaning the sludge in the water storage tank and avoiding the problem of secondary pollution to the rainwater in the water storage tank.
Description
Technical Field
The application relates to the technical field of rainwater recycling, in particular to a rainwater storage tank built by using a plastic formwork and a construction method thereof.
Background
At present, the collection and utilization of rainwater can solve a series of contradictions of water shortage, environment, ecology and the like. The collected rainwater can be used for daily life, such as washing clothes, washing vehicles and flushing toilets, and can also be used for watering greening, flushing roads, fire fighting and extinguishment and the like. The rainwater collection and utilization can also reduce the rainwater runoff of urban streets, lighten the pressure of urban drainage, effectively reduce the rainwater and sewage converging and lighten the pressure of sewage treatment.
In recent years, the water storage technology for collecting and utilizing rainwater is greatly improved, and various novel plastic module combined pools are developed and gradually applied to engineering practice. The plastic modules commonly used in the plastic module combined pool are of an integral type and an assembled type: the integral module is a rectangular box body with hollowed-out inside, so that the integral module has large monomer volume and is not suitable for long-distance transportation; the assembled module monomers can be stacked and placed, and assembled on a construction site, so that the long-distance transportation cost is greatly reduced. However, the existing plastic module combined pool has a large defect in application, rainwater contains a certain amount of impurities and silt in the process of collecting, and after the rainwater flows into the water storage pool, the silt in the water storage pool cannot be cleaned out due to long-time precipitation, and in the process of installation, a foundation pit with a certain depth is required to be excavated on the ground, then a plastic formwork is assembled and installed in the foundation pit, and after the installation is completed, soil covering with a certain height is required to be carried out on the plastic formwork. The plastic module box body structure limits, and the single body is assembled to form a large box body which is supported by countless support columns and is hollow inside.
Because the distance between the support columns is smaller and is generally smaller than 150mm, the dredging equipment is very difficult to move inside, not to mention that the dredging is carried out by a next person, the sludge in the rainwater storage tank after long-time use cannot be effectively removed, the service life of the water tank is greatly shortened, and meanwhile, secondary pollution of rainwater is also caused.
Disclosure of Invention
In order to solve the problem that sludge in the water storage tank is inconvenient to clean and the problem that rainwater in the water storage tank is prevented from being polluted by secondary pollution, the application provides a rainwater water storage tank built by using a plastic formwork and a construction method thereof.
The application provides a rainwater storage tank built by using a plastic mould shell, which adopts the following technical scheme:
the rainwater storage pool built by using the plastic formwork comprises concrete retaining walls cast on the side walls around a foundation pit, a concrete bottom plate cast on the bottom surface of the foundation pit and a plastic formwork assembly arranged on the bottom surface of the foundation pit, wherein a concrete top plate is paved above the plastic formwork assembly, and an access hole is formed in the concrete top plate;
The plastic formwork assembly comprises a plurality of groups of fixing frames, a plurality of support columns and a plurality of plastic formworks, wherein the fixing frames are arranged on a concrete bottom plate, the support columns are vertically and detachably connected to the fixing frames, the plastic formworks are arranged at the upper ends of the support columns, the support columns are hollow in the interior and are provided with openings at two ends, the edges of two adjacent plastic formworks are contacted, and the concrete top plate is paved on the surface of the plastic formwork.
Through adopting the technical scheme, the plastic formwork assembly provided by the application can form a larger rainwater storage space in the rainwater storage tank, the distance between two adjacent support columns reaches 580mm, when sludge is cleaned, workers can enter the inside of the storage tank and can freely walk in the storage tank, the sludge in the storage tank can be cleaned by using flushing equipment, the service life of the rainwater storage tank and the volume of rainwater storage are greatly prolonged, the heights of the support columns can be adjusted according to the design requirement of the rainwater storage tank, and the volume of the rainwater storage tank can be increased or reduced by adjusting the heights of the support columns.
Optionally, the mount includes the backup pad of laying on concrete bottom plate and perpendicular fixed connection at the fixed section of thick bamboo of backup pad upper surface, the support column lower extreme can peg graft in fixed section of thick bamboo.
Through adopting above-mentioned technical scheme, the mount that sets up makes dismantlement and installation more convenient between mount and the support column, and during the transportation, mount and support column can split transport, has reduced transportation cost greatly, when needs installation, the staff directly peg graft the one end of support column in fixed section of thick bamboo in the job site can, has improved installation and efficiency of construction to construction cost has been reduced.
Optionally, a plurality of reinforcing plates are fixedly connected to the connection part of the fixed cylinder and the supporting plate.
Through adopting above-mentioned technical scheme, the reinforcing plate that sets up can increase the joint strength between fixed section of thick bamboo and the backup pad, prevents that the support column from breaking between fixed section of thick bamboo and the backup pad after receiving the pressure of plastic formwork top concrete roof.
Optionally, a plurality of the support column is along length direction and width direction equidistance interval distribution of foundation ditch, the plastics mould shell is the rectangle, and four angles of plastics mould shell all fixedly connected with plugboard, plugboard on four angles of plastics mould shell can peg graft in four support column upper ends that are the rectangle setting and minimum unit.
Through adopting the technical scheme, the distance between the support columns reaches 580mm along the length and width directions of the foundation pit, so that later-stage workers can conveniently enter the water storage tank to clean, and after a concrete top plate is poured above the plastic formwork, the support columns can provide effective support to prevent the weight of the concrete from collapsing the plastic formwork assembly; the plug board can be used for quickly inserting the plastic formwork into the upper end of the support column, so that the plastic formwork and the support column are more convenient and quicker to install, and the working efficiency is greatly improved.
Optionally, the lower extreme of concrete retaining wall has been pour integrated into one piece's fixed base, fixed base sets up in concrete bottom plate below.
Through adopting above-mentioned technical scheme, the fixed base that sets up can increase the intensity of concrete barricade, prevents to receive the influence of external force around the tank, makes concrete barricade take place to fracture, causes the collapse of tank.
The application provides a construction method for building a rainwater storage tank by using a plastic formwork, which adopts the following technical scheme:
A construction method for building a rainwater storage tank by using a plastic formwork comprises the following steps:
s1: pouring a fixed base and a concrete retaining wall: the concrete retaining wall is poured on the fixed base;
s2: pouring a concrete bottom plate: pouring a concrete bottom plate on the bottom surface of the foundation pit;
S3: installing a plastic formwork assembly: a fixed frame, a support column and a plastic mould shell are sequentially arranged on a concrete bottom plate;
s4: pouring a concrete roof: and pouring a concrete top plate on the upper surface of the plastic formwork after the installation, wherein the concrete can flow into the support column.
Optionally, in step S2, before the concrete bottom plate is poured, a plain concrete leveling layer is required to be poured on the bottom surface of the foundation pit, and then the concrete bottom plate is poured.
Through adopting above-mentioned technical scheme, the plain concrete screed-coat that sets up can level to the soil of foundation ditch bottom surface, prevents that soil from not at ordinary times, and concrete bottom plate surface after pouring also is in the inclined state, influences the installation of later stage plastics mould shell subassembly, makes it can not install accurately.
Optionally, in step S3, after the plastic formwork is installed on the support column, a polystyrene board is filled between the plastic formwork and the side wall of the foundation pit.
Through adopting above-mentioned technical scheme, the polyphenyl board that sets up can prevent when pouring the concrete roof, and the concrete flows into the tank inside from the gap between plastics mould shell and the concrete retaining wall, has improved the inside leakproofness of rainwater tank to also make the concrete roof can be quick pour the completion.
Optionally, in step S4, a plurality of steel bars arranged in a crisscross manner are paved on the upper surface of the plastic formwork, the steel bars are bound, steel bars are also arranged inside the support columns, after the steel bars are paved, a concrete top plate is poured on the upper surface of the plastic formwork, and when the concrete top plate is poured, the support columns can be filled with concrete; a second concrete screed is laid on the concrete roof.
By adopting the technical scheme, the strength of the concrete top plate can be greatly increased by the arranged steel bars, and a series of phenomena such as cracking and the like are prevented from happening after the concrete top plate is used for a long time, so that the collapse of the interior of the water storage pool is caused; after the concrete is poured into the support column, the strength of the support column is greatly improved, and the poured concrete roof is prevented from crushing the support column; the second concrete screed-coat that sets up can make level to the concrete roof, makes things convenient for follow-up to mat formation on the second concrete screed-coat, carries out the laying of soil or plants some vegetation on soil, can carry out the afforestation on ground above the rainwater tank.
In summary, the present application includes at least one of the following beneficial technical effects:
1. The plastic formwork assembly provided by the application can form a larger rainwater storage space in the rainwater storage tank, the distance between two adjacent support columns reaches 580mm, when sludge is cleaned, a worker can enter the storage tank and can freely walk in the storage tank, and the sludge in the storage tank can be cleaned by using flushing equipment, so that the service life of the rainwater storage tank and the volume of rainwater storage are greatly prolonged;
2. the fixed frame is arranged, so that the fixed frame and the support column are convenient to detach and install, and can be detached for transportation when in transportation, so that the transportation cost is greatly reduced, and when the fixed frame is required to be installed, a worker can directly plug one end of the support column into the fixed cylinder on a construction site, the installation and construction efficiency are improved, and the construction cost is reduced;
3. The strength of the concrete roof can be greatly increased by the arranged steel bars, and a series of phenomena of cracking and the like of the concrete roof after long-time use are prevented, so that the collapse of the interior of the water storage pool is caused; the second concrete screed-coat that sets up can make level to the concrete roof, makes things convenient for follow-up to mat formation on the second concrete screed-coat, carries out the laying of soil or plants some vegetation on soil, can carry out the afforestation on ground above the rainwater tank.
Drawings
FIG. 1 is a cross-sectional view of a rainwater tank embodying an embodiment of the present application;
FIG. 2 is a schematic illustration of a plastic formwork assembly embodying an embodiment of the present application;
Fig. 3 is a flow chart of a construction method according to an embodiment of the present application.
Reference numerals illustrate: 1. a concrete floor; 2. a concrete retaining wall; 21. a fixed base; 3. a plastic formwork assembly; 31. a fixing frame; 311. a support plate; 312. a fixed cylinder; 32. a support column; 33. a plastic formwork; 331. a plug board; 34. a reinforcing plate; 4. a concrete top plate; 5. a plain concrete leveling layer; 6. polyphenyl board; 7. reinforcing steel bars; 8. and a second concrete leveling layer.
Detailed Description
The application is described in further detail below with reference to fig. 1-3.
The embodiment of the application discloses a rainwater storage tank built by using a plastic formwork and a construction method thereof. Referring to fig. 1, a rainwater storage tank constructed by using a plastic formwork 33 comprises a concrete bottom plate 1 poured on the bottom surface of a foundation pit and concrete retaining walls 2 poured on the side walls around the foundation pit, wherein a plastic formwork component 3 is arranged in the rainwater storage tank, and when the concrete bottom plate 1 and the concrete retaining walls 2 are poured, workers assemble the plastic formwork component 3 in the storage tank; when setting up the rainwater tank, need excavate the foundation ditch of certain degree of depth in suitable position, then at the inside rainwater tank of setting up of foundation ditch, the rainwater tank after setting up can collect the reuse to the rainy rainwater in rainy day, has improved resource utilization.
Referring to fig. 1 and 2, a concrete roof 4 is laid on the upper surface of the plastic formwork assembly 3, and an access hole for a worker to enter the rainwater storage tank to clean up sludge is formed in the concrete roof 4, so that impurities and sludge in rainwater can flow into the storage tank completely after the rainwater storage tank is used for a long time, and the impurities and the sludge can be deposited in the storage tank to affect the collection amount of the rainwater.
The lower end of the concrete retaining wall 2 is provided with the annular fixed base 21, the fixed base 21 is arranged below the concrete bottom plate 1, the poured fixed base 21 can increase the strength of the concrete retaining wall 2 and prevent the concrete retaining wall 2 from being broken due to the influence of external force around the water storage pool, so that the water storage pool is collapsed.
Referring to fig. 1 and 2, the plastic formwork assembly 3 includes a plurality of fixing frames 31 laid on the concrete floor 1, a plurality of fixing frames 31 can be sequentially laid on the surface of the whole concrete floor 1, support columns 32 are vertically arranged on the fixing frames 31, fixed connection can be disassembled between the support columns 32 and the fixing frames 31, and the support columns 32 are hollow inside and are of structures with openings at the upper end and the lower end, the plurality of support columns 32 are equidistantly distributed at intervals along the length direction and the width direction of a foundation pit, a rectangular plastic formwork 33 is installed at the upper end of each support column 32, edges of two adjacent plastic formworks 33 are contacted after the plastic formwork 33 is installed, a concrete roof 4 can be poured on the surface of the plastic formwork 33, the height of each support column 32 can be adjusted according to the design requirement of a rainwater storage tank, the height of each support column 32 can be adjusted, the volume of the rainwater storage tank can be increased or reduced, the set plastic formwork assembly 3 can form a large rainwater storage space inside the rainwater storage tank, and the distance between the two adjacent support columns 32 reaches 580 mm.
The mount 31 is including laying the backup pad 311 and perpendicular fixed connection at backup pad 311 upper surface at concrete bottom plate 1's backup pad 311 fixed cylinder 312, the border of two adjacent backup pads 311 contacts each other, the lower extreme of support column 32 can peg graft in fixed cylinder 312, the mount 31 of setting, it is more convenient to dismantle and install between messenger's mount 31 and the support column 32, when the transportation, mount 31 and support column 32 can split the transportation, the cost of transportation has been reduced greatly, when needs are installed, the staff directly peg graft the one end of support column 32 in fixed cylinder 312 at the job site can, installation and efficiency of construction have been improved, and construction cost has been reduced.
Referring to fig. 1 and 2, further, a plurality of reinforcing plates 34 are fixedly connected to the connection between the fixing cylinder 312 and the supporting plate 311, one end of each reinforcing plate 34 is fixedly connected to the outer wall of the fixing cylinder 312, the other end of each reinforcing plate 34 is fixedly connected to the upper surface of the supporting plate 311, the plurality of reinforcing plates 34 are circumferentially equidistantly distributed along the axis of the fixing cylinder 312, the reinforcing plates 34 can increase the connection strength between the fixing cylinder 312 and the supporting plate 311, and the supporting columns 32 are prevented from being broken between the fixing cylinder 312 and the supporting plate 311 after being pressed by the concrete roof 4 above the plastic formwork 33.
Four corners of the plastic mould shell 33 are bent towards the same side to form an umbrella-shaped structure, the plastic mould shell 33 arranged in the umbrella-shaped structure can bear larger pressure to a certain extent, concrete is conveniently poured on the plastic mould shell 33 in the later stage, the plastic mould shell 33 is formed by injection molding of polypropylene plastics, and a plurality of plastic mould shells 33 can be sleeved together, so that the transport volume is greatly reduced, long-distance transport is facilitated, and the transport cost can be reduced; the plug boards 331 extending towards the same side are fixedly connected to the four corners of the plastic formwork 33, and the arranged plug boards 331 can quickly insert the plastic formwork 33 into the upper ends of the support columns 32, so that the plastic formwork 33 and the support columns 32 are more convenient and quick to install, and the working efficiency is greatly improved; when installing the plastic formwork 33, the staff inserts the plug-in boards 331 on the plastic formwork 33 into the upper ends of the support columns 32 which are rectangular in structure and have the smallest units respectively, and the upper ends of the same support column 32 can be used for plugging in four corners of four plastic formworks 33.
The application also provides a construction method for constructing a rainwater storage tank by using the plastic formwork, and referring to fig. 1,2 and 3, the construction method comprises the following steps:
S1: pouring fixed base 21 and concrete retaining wall 2
Pouring annular fixed base 21 in the foundation ditch bottom that excavates earlier, then pouring annular and vertical concrete retaining wall 2 of setting on fixed base 21, the concrete retaining wall 2 that pours the completion is laminated with the lateral wall of foundation ditch, and the concrete retaining wall 2 of pouring can prevent that the foundation ditch from taking place to collapse all around, and the fixed base 21 of pouring can support concrete retaining wall 2, prevents that the soil of foundation ditch bottom from being soft, makes concrete retaining wall 2 take place to subside.
S2: cast concrete floor 1
Before the concrete bottom plate 1 is poured at the bottom of a foundation pit, a plain concrete leveling layer 5 is required to be poured at the bottom of the soft foundation pit, and the plain concrete leveling layer 5 can level soil at the bottom of the foundation pit, so that the surface of the poured concrete bottom plate 1 is also in an inclined state to influence the installation of the later plastic formwork component 3, and the later plastic formwork component cannot be accurately installed; after the plain concrete screed 5 is poured, the concrete floor 1 is poured.
S3: mounting a Plastic form Assembly 3
When the plastic formwork assembly 3 is installed, a plurality of fixing frames 31 are sequentially paved on a concrete bottom plate 1, the fixing frames 31 are equidistantly arranged along the length direction and the width direction of a foundation pit, then one end of a support column 32 is inserted into the fixing frames 31, after a plurality of groups of fixing frames 31 and the support column 32 are installed on the concrete bottom plate 1, plug boards 331 on four corners of a plastic formwork 33 are correspondingly inserted into the upper ends of the support column 32, after the plastic formwork 33 is installed, a sealed top plate is formed at the upper ends of the support column 32, and the edges of two adjacent plastic formworks 33 are contacted; the polystyrene board 6 is filled between the plastic formwork 33 and the side wall of the foundation pit, and the filled polystyrene board 6 can prevent concrete from flowing into the water storage tank from a gap between the plastic formwork 33 and the concrete retaining wall 2 when the concrete top board 4 is poured, so that the tightness of the interior of the rainwater water storage tank is improved, and the concrete top board 4 can be quickly poured.
S4: cast concrete roof 4
After the plastic formwork assembly 3 is installed, a plurality of steel bars 7 which are arranged in a crisscross manner are paved on the upper surface of a plastic formwork 33, then the steel bars 7 are bound, a steel bar 7 net sheet is formed on the plastic formwork 33, and steel bars 7 are also arranged in each hollow supporting column 32, after the steel bars 7 are paved, a concrete top plate 4 is poured on the upper surface of the plastic formwork 33, in the process of pouring the concrete top plate 4, concrete can flow into the supporting columns 32, the supporting columns 32 are filled with the concrete, the strength of the concrete top plate 4 can be greatly increased by the arranged steel bars 7, and a series of phenomena such as cracking and the like are prevented from occurring after the concrete top plate 4 is used for a long time, so that the collapse of the inside of a water storage pool is caused; after the concrete is poured into the support columns 32, the strength of the support columns 32 is greatly improved, and the poured concrete top plate 4 is prevented from crushing the support columns 32; after the concrete roof 4 solidifies the design, pour second concrete screed-coat 8 on concrete roof 4, second concrete screed-coat 8 that sets up can make level to concrete roof 4, makes things convenient for follow-up to lay on second concrete screed-coat 8, carries out the laying of soil or plants some vegetation on the soil, can carry out the afforestation on ground above the rainwater tank.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (7)
1. A rainwater tank built by using a plastic mould shell, which is characterized in that: comprises a concrete retaining wall (2) cast on the side wall around the foundation pit, a concrete bottom plate (1) cast on the bottom surface of the foundation pit and a plastic mould shell assembly (3) arranged in the foundation pit, a concrete top plate (4) is paved above the plastic formwork assembly (3), and an overhaul hole is formed in the concrete top plate (4);
the plastic formwork assembly (3) comprises a plurality of groups of fixing frames (31) arranged on a concrete bottom plate (1), a plurality of support columns (32) vertically and detachably connected to the fixing frames (31) and a plurality of plastic formworks (33) arranged at the upper ends of the support columns (32), the support columns (32) are hollow inside and are of structures with two open ends, the edges of the adjacent plastic formworks (33) are contacted, a concrete top plate (4) is paved on the surface of the plastic formworks (33), the fixing frames (31) comprise support plates (311) paved on the concrete bottom plate (1) and fixing cylinders (312) vertically and fixedly connected to the upper surfaces of the support plates (311), the lower ends of the support columns (32) can be spliced in the fixing cylinders (312), a plurality of the support columns (32) are distributed at equal intervals along the length direction and the width direction of a foundation pit, the plastic formworks (33) are rectangular, four corners of the plastic formworks (33) are fixedly connected with plug boards (331), and the four plug boards (331) on the four corners of the plastic formworks (33) can be spliced at the four corners of the plug boards (331).
2.A rainwater tank constructed using a plastic formwork as claimed in claim 1, wherein: a plurality of reinforcing plates (34) are fixedly connected to the connection part of the fixing cylinder (312) and the supporting plate (311).
3. A rainwater tank constructed using a plastic formwork as claimed in claim 1, wherein: the lower end of the concrete retaining wall (2) is poured with an integrally formed fixed base (21), and the fixed base (21) is arranged below the concrete bottom plate (1).
4. A method of constructing a rainwater storage using a plastic formwork as claimed in any one of claims 1 to 3, wherein: the method comprises the following steps:
S1: pouring a fixed base (21) and a concrete retaining wall (2): the concrete retaining wall (2) is poured on the fixed base (21);
S2: pouring a concrete bottom plate (1): pouring a concrete bottom plate (1) on the bottom surface of the foundation pit;
S3: installing a plastic formwork assembly (3): a fixed frame (31), a support column (32) and a plastic mould shell (33) are sequentially arranged on a concrete bottom plate (1);
s4: pouring a concrete top plate (4): and pouring a concrete top plate (4) on the upper surface of the plastic formwork (33) which is installed, and enabling concrete to flow into the support column (32).
5. A method of constructing a rainwater tank using a plastic formwork as claimed in claim 4, wherein: in the step S2, before the concrete bottom plate (1) is poured, a plain concrete leveling layer (5) is required to be poured on the bottom surface of the foundation pit, and then the concrete bottom plate (1) is poured.
6. A method of constructing a rainwater tank using a plastic formwork as claimed in claim 4, wherein: in the step S3, after the plastic mould shell (33) is installed on the supporting column (32), a polystyrene board (6) is filled between the plastic mould shell (33) and the side wall of the foundation pit.
7. A method of constructing a rainwater tank using a plastic formwork as claimed in claim 4, wherein: in the step S4, a plurality of steel bars (7) which are arranged in a crisscross manner are paved on the upper surface of the plastic formwork (33), the steel bars (7) are bound, the steel bars (7) are also arranged in the support columns (32), after the steel bars (7) are paved, a concrete top plate (4) is poured on the upper surface of the plastic formwork (33), and when the concrete top plate (4) is poured, the support columns (32) can be filled with concrete; a second concrete leveling layer (8) is laid on the concrete top plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110528787.9A CN113123656B (en) | 2021-05-14 | 2021-05-14 | Rainwater storage tank built by using plastic formwork and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110528787.9A CN113123656B (en) | 2021-05-14 | 2021-05-14 | Rainwater storage tank built by using plastic formwork and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113123656A CN113123656A (en) | 2021-07-16 |
| CN113123656B true CN113123656B (en) | 2024-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110528787.9A Active CN113123656B (en) | 2021-05-14 | 2021-05-14 | Rainwater storage tank built by using plastic formwork and construction method thereof |
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