CN109469189B - Assembled concrete prestress mould pressing box pump rainwater collecting tank and construction method thereof - Google Patents
Assembled concrete prestress mould pressing box pump rainwater collecting tank and construction method thereof Download PDFInfo
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- CN109469189B CN109469189B CN201811597605.8A CN201811597605A CN109469189B CN 109469189 B CN109469189 B CN 109469189B CN 201811597605 A CN201811597605 A CN 201811597605A CN 109469189 B CN109469189 B CN 109469189B
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- 238000003825 pressing Methods 0.000 title claims abstract description 19
- 238000010276 construction Methods 0.000 title claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 80
- 239000010959 steel Substances 0.000 claims abstract description 80
- 239000011083 cement mortar Substances 0.000 claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 68
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 23
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 9
- 239000010962 carbon steel Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 230000007797 corrosion Effects 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 2
- 238000011065 in-situ storage Methods 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 description 8
- 239000010410 layer Substances 0.000 description 6
- 239000011241 protective layer Substances 0.000 description 5
- 238000005266 casting Methods 0.000 description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 239000000701 coagulant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011396 hydraulic cement Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Classifications
-
- 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
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H4/00—Swimming or splash baths or pools
- E04H4/0075—Swimming or splash baths or pools made of concrete
- E04H4/0087—Swimming or splash baths or pools made of concrete with walls prefabricated and floor cast in situ
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Artificial Fish Reefs (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses an assembled concrete prestress mould pressing box pump rainwater collecting tank, which comprises a tank bottom and a tank wall, wherein the tank bottom is integrally cast, a plurality of layers of steel wires are arranged on the outer side of the tank wall, a cement mortar protection layer is sprayed on the outer side of the steel wires, a plurality of rectangular inner concrete plates are arranged in the rainwater collecting tank, the rainwater collecting tank is divided into a plurality of small collecting tanks by the inner concrete plates, and the small collecting tanks are communicated with each other. The bottom of the rainwater collecting tank is cast in situ, the tank wall and the small collecting tank are respectively formed by splicing an outer concrete slab and an inner concrete slab, and the rainwater collecting tank structure accelerates the construction speed of the rainwater collecting tank.
Description
Technical Field
The invention relates to the technical field of building water conservation, in particular to an assembled concrete prestress mould pressing tank pump rainwater collecting tank and a construction method thereof.
Background
The rainwater collecting tank is a device for collecting rainwater, and can collect and reuse rainwater resources, so that the effect of saving water resources is achieved, and good economic and social benefits are achieved. Although the rainwater collection and utilization of the urban areas in China have a long history, a plurality of defects still exist on the construction of the rainwater collection pool: the rainwater collection amount of the rainwater collection tank is small, the rainwater collection tank is easy to split, gaps are formed, and the service life is short.
Disclosure of Invention
The invention aims to provide an assembled concrete prestress mould pressing box pump rainwater collecting tank and a construction method thereof, which are used for solving the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the rainwater collecting tank comprises a tank bottom and a tank wall, wherein a water pump is arranged outside the rainwater collecting tank, and the water pump is communicated with the rainwater collecting tank.
In the above technical scheme, rainwater in the rainwater collecting tank is pumped out for reuse by the water pump.
As the preferred scheme, the rainwater collecting tank comprises a tank bottom and a tank wall, wherein the tank bottom is formed by integrally pouring, a plurality of layers of steel wires are arranged on the outer side of the tank wall, a cement mortar protection layer is sprayed on the outer side of the steel wires, a plurality of rectangular inner concrete plates are arranged in the rainwater collecting tank, the inner concrete plates divide the rainwater collecting tank into a plurality of small collecting tanks, and the small collecting tanks are communicated with each other.
In the technical scheme, the bottom of the rainwater collecting tank is an integrally formed bottom of the tank which is cast in situ, and the bottom of the rainwater collecting tank is cast where to build the rainwater collecting tank, so that compared with the method that the cast bottom of the tank is carried to the site, the carrying manpower and material resources are saved, and the cost for building the rainwater collecting tank is saved; the steel wires are used for tightening the pool wall, applying prestress to the pool wall, improving the compression resistance of the pool wall, so that the rainwater collecting pool can accommodate high-capacity rainwater; the cement mortar protective layer is used for slowing down rust and corrosion of the steel wire and improving the water impermeability of the rainwater collecting tank; the rainwater collecting tank is divided into a plurality of small collecting tanks by the inner concrete plate, so that the pressure of rainwater in the rainwater collecting tank to the tank wall is reduced.
As the preferred scheme, interior concrete slab includes side, lower side, left side and right side symmetry are provided with curved first recess, the side is provided with rectangular second recess down, be provided with oval-shaped through-hole on the interior concrete slab.
In the technical scheme, the second grooves and the through holes can be used for the rainwater in the rainwater collecting tank to circulate, and the through holes are elliptical through holes with larger areas and can be used for people to pass through, so that the detection of the inner concrete slab and the rainwater collecting tank by the maintainer is facilitated; the first groove is matched with the water stop ring to be used, so that rainwater in the rainwater collecting tank is prevented from penetrating into first reinforcing steel bars in the inner concrete plate or the outer concrete plate, the first reinforcing steel bars are prevented from being corroded by rust, the service lives of the inner concrete plate and the outer concrete plate are prolonged, and the service life of the rainwater collecting tank is prolonged.
As a preferred scheme, the pool wall comprises a plurality of rectangular outer concrete plates, the outer concrete plates sequentially comprise a first concrete plate, a second concrete plate and a third concrete plate, the first concrete plate and the third concrete plate are symmetrical with respect to the second concrete plate, a first concrete sloping plate and a second concrete sloping plate are respectively arranged between the first concrete plate, the third concrete plate and the second concrete plate, arc-shaped first grooves are symmetrically arranged on the first concrete plate and the third concrete plate, the transverse sections of the first concrete plate and the third concrete plate are rectangular, and the transverse section of the second concrete plate is arc-shaped.
In the technical scheme, the inner concrete plate and the outer concrete plate are molded and preformed, the volumes of the inner concrete plate and the outer concrete plate are far smaller than the volumes of the pool bottom, the manpower and material resources for conveying the inner concrete plate and the outer concrete plate are small, the inner concrete plate and the outer concrete plate are molded and formed in a compression mode, and the inner concrete plate and the outer concrete plate are directly conveyed when the rainwater collecting pool is built, so that the time for building the rainwater collecting pool can be greatly shortened, and the rainwater collecting pool can be put into use as soon as possible; the arrangement of the first concrete sloping plate and the second concrete sloping plate enables the second concrete slab to be not on the same horizontal plane as the first concrete slab and the third concrete slab, the second concrete slab protrudes outwards of the rainwater collecting tank, and the structure arrangement enables rainwater with larger capacity to be collected on the basis of guaranteeing the firmness of the rainwater collecting tank; the transverse section of the second concrete plate is arc-shaped, that is to say, the contact surface of the second concrete plate and the steel wire is arc-shaped, the second concrete plate can be more attached to the steel wire through the arrangement of the arc-shaped surface, so that the steel wire is stressed more uniformly, the service life of the steel wire is prolonged, and the steel wire is used for applying force to the first concrete sloping plate and the second concrete sloping plate around the outer wall of the pool through the second concrete plate, so that the adjacent outer concrete plates are more compact.
As the preferable scheme, between the outer concrete plates, between the inner concrete plates, all be provided with the screw rod between outer concrete plate and the inner concrete plate, be provided with the water-stop ring on the screw rod, water-stop ring and first recess cooperation use, the both ends of screw rod are provided with the fastener.
In the technical scheme, the screw rod is used as a house building center column in the rainwater collecting tank, so that the overall building strength of the rainwater collecting tank is improved, and the earthquake resistance of the rainwater collecting tank is improved; the body of the rainwater collecting tank is formed by assembling a tank bottom, a screw rod, an outer concrete plate and an inner concrete plate, gaps are formed between the screw rod and the outer concrete plate and between the screw rod and the inner concrete plate, and the gaps are filled with micro-expanded cement mortar to prevent the rainwater collecting tank from leaking; the fastener is the nut, and the fastener makes the connection between screw rod and the outer concrete slab and interior concrete slab more fastening.
As a preferable scheme, the rainwater collecting tank is rectangular in shape, the small collecting tank is square in shape, the rainwater collecting tank further comprises a tank cover, a water inlet and a water outlet are arranged on the tank cover, and the water pump is communicated with the rainwater collecting tank through the water outlet; the inner concrete plate and the outer concrete plate are integrally cast and molded concrete plates, the inner concrete plate and the outer concrete plate comprise first concrete and first reinforcing steel bars, and the first reinforcing steel bars are longitudinally arranged in the inner concrete plate and the outer concrete plate.
In the technical scheme, the rainwater collecting tank is connected with the external sedimentation tank through the water inlet, and rainwater in the rainwater collecting tank can be directly used after being treated by an external device; the rainwater in the rainwater collecting pool is pumped out and utilized by controlling a water pump, wherein the water pump is a ZX series horizontal centrifugal pump, and the model number of the water pump is 25ZX3.2-32; the inner concrete plate and the outer concrete plate are integrally poured, so that the inner concrete plate and the outer concrete plate are firmer, the inner concrete plate and the outer concrete plate are formed by compression molding, the inner concrete plate and the outer concrete plate can be obtained by automatic industrial production, and the construction efficiency of producing the inner concrete plate and the outer concrete plate is improved; the first reinforcing steel bars are embedded in the inner concrete plate and the outer concrete plate and are used for applying prestress in the longitudinal direction, so that the bearing force of the inner concrete plate and the outer concrete plate in the longitudinal direction is improved, and the rainwater collecting tank is firmer.
A method of constructing a rainwater collection tank for an assembled concrete prestressed molded tank pump, the method comprising the steps of:
a) Preparing an inner concrete plate and an outer concrete plate;
B) Pouring the bottom of the pool;
c) Assembling the pool wall;
d) Dividing a rainwater collecting tank;
E) Fastening the pool wall;
F) Protecting the steel wire;
g) And installing a pool cover and a water pump.
Preferably, the construction method comprises the following steps:
a) Preparing an inner concrete plate and an outer concrete plate: selecting first concrete and first steel bars, mixing the first concrete and the first steel bars, and then placing the mixed first concrete and the mixed first steel bars in an inner concrete slab mould and an outer concrete slab mould, and respectively pressing the mixed first concrete and the first steel bars into an inner concrete slab and an outer concrete slab;
b) Pouring the bottom of the pool: directly pouring the bottom of the pool with first concrete at a construction site;
C) Assembling the pool wall: selecting a plurality of external concrete plates in the step A), and fixing the external concrete plates around the casting pool bottom in the step B) to form pool walls, wherein the pool walls and the pool bottom form a rainwater collecting pool;
D) Dividing a collecting pool: selecting a plurality of inner concrete plates in the step A), fixing the inner concrete plates in the rainwater collecting pool in the step C), and dividing the rainwater collecting pool into a plurality of small collecting pools;
e) Fastening the pool wall: transversely winding steel wires on the wall of the rainwater collecting tank in the step D), and fastening the wall of the rainwater collecting tank;
f) Steel wire protection: spraying cement mortar on the steel wire in the step E) to form a cement mortar protection layer, and slowing down steel wire corrosion;
G) Installing a pool cover and a water pump: a pool cover and a water pump are arranged on the rainwater collecting pool.
In the technical scheme, the inner concrete plate and the outer concrete plate are prefabricated by mould pressing in advance, the bottom of the pool is cast in situ, a screw is arranged on the bottom of the pool after casting, then the outer concrete plate is assembled into a pool wall, the pool cover is a pool cover which is customized in advance, a water inlet and a water outlet are arranged on the pool cover, the water inlet is connected with an external rainwater treatment device, the water outlet is connected with a water pump, then the water outlet is wound in the direction from the pool cover to the bottom of the pool by steel wires, the outer concrete plates are tightly connected, and finally the outside of the steel wires are sprayed by cement mortar, so that the rust corrosion speed of the steel wires is slowed down.
Preferably, the first steel bar in the step A) is a steel bar subjected to heat treatment, the steel wire in the step E) is a carbon steel wire, the first concrete in the step A) is permeation-resistant concrete, and the cement mortar in the step F) is provided with shrinkage-resistant cement and an accelerator.
In the scheme, the first steel bars are subjected to the heat treatment and then are pre-stressed, so that the rigidity of the inner concrete plate and the outer concrete plate is improved, and the service life of the rainwater collecting tank is prolonged; the steel wire is a carbon steel wire, the carbon steel wire is a prestressed steel wire with carbon content not exceeding about 0.9%, the strength and the hardness of the carbon steel wire are very high, and the prestressed steel wire with high strength and high hardness can enable the tank wall to be fastened more; the concrete in the inner concrete plate and the outer concrete plate adopts anti-penetration concrete, so that the pores in the inner concrete plate and the outer concrete plate can be reduced, rainwater is prevented from penetrating into the inner concrete plate and the outer concrete plate from the pores to contact with the first reinforcing steel bars, and the first reinforcing steel bars are prevented from rusting and corroding; the cement mortar is sprayed outside the steel wire, so that the coagulant is accelerated, the solidification of the cement mortar is accelerated, the cement mortar is prevented from sliding down, and the cement mortar outside the steel wire is not uniform; the shrinkage-preventing hydraulic cement mortar is used for preventing cement mortar outside the steel wire from shrinking and preventing the rainwater collecting tank from generating cracks, so that the service life of the rainwater collecting tank is prolonged.
Preferably, the cement mortar in the step F) is sprayed on the steel wire when the rainwater collection tank is filled with water.
In the above technical scheme, if the cement mortar is sprayed under the condition that the rainwater collecting tank is not full of water, the cement mortar can not bear the pressure of the tank wall and the steel wire when the rainwater collecting tank is full of water, so that the cement mortar on the outer side of the steel wire is cracked to generate gaps.
Compared with the prior art, the invention has the beneficial effects that:
1. the bottom of the rainwater collecting tank is cast in situ, the tank wall and the small collecting tank are respectively formed by splicing an outer concrete slab and an inner concrete slab, and the rainwater collecting tank structure accelerates the construction speed of the rainwater collecting tank.
2. The rainwater collecting tank is firmer by arranging the first steel bars and the second concrete plates.
3. According to the invention, the steel wire and cement mortar protection layer is arranged on the outer side of the tank wall, so that the tank wall is firmer.
Drawings
FIG. 1 is a schematic diagram of the structure of an assembled concrete prestressed mold pressing tank pump rainwater collecting tank of the invention;
FIG. 2 is a top view of the body of the assembled concrete prestressed mold pressing box pump rainwater collection tank of the present invention;
FIG. 3 is a schematic view of the connection structure of the inner concrete slab of the assembled concrete prestressed mold pressing box pump rainwater collecting tank of the invention;
FIG. 4 is a schematic view of the connection structure of the outer concrete slab of the assembled concrete prestressed mold pressing box pump rainwater collecting tank of the present invention;
FIG. 5 is a cross-sectional view of an inner concrete slab of the fabricated concrete prestressed mold tank pump rainwater collection tank of the present invention;
Fig. 6 is a cross-sectional view of an outer concrete slab of the assembled concrete prestressed mold tank pump rainwater collecting tank of the present invention.
In the figure: 1-pool bottom, 2-water pump, 3-pool wall, 4-water outlet, 5-water inlet, 6-inner concrete slab, 7-small collecting pool, 8-fastener, 9-outer concrete slab, 10-screw, 11-through hole, 12-first groove, 13-second groove, 14-first concrete slab, 15-first concrete sloping plate, 16-second concrete slab, 17-second concrete sloping plate, 18-third concrete slab, 19-first concrete, 20-first steel bar, 21-cement mortar protection layer, 22-steel wire, 23-water stop ring, 24-upper side, 25-left side, 26-lower side, 27-right side and 28-pool cover.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 6, in the embodiment of the invention, an assembled concrete prestress mould pressing box pump rainwater collecting tank comprises a tank bottom 1 and a tank wall 3, a water pump 2 is arranged outside the rainwater collecting tank, and the water pump 2 is communicated with the rainwater collecting tank.
In the above-described technical solution, rainwater in the rainwater collecting tank is drawn out for reuse by the water pump 2.
As the preferred scheme, the rainwater collecting tank includes bottom of the pool 1 and pool wall 3, bottom of the pool 1 is the integrated into one piece bottom of the pool 1 of pouring the shaping, the outside of pool wall 3 is provided with multilayer steel wire 22, the outside of steel wire 22 is spouted and is equipped with cement mortar protective layer 21, be provided with the rectangular interior concrete slab 6 of polylith in the rainwater collecting tank, interior concrete slab 6 separates the rainwater collecting tank into a plurality of little collecting tank 7, communicate each other between the little collecting tank 7.
In the technical scheme, the pool bottom 1 is the integrally formed pool bottom 1 cast in situ, and the pool bottom 1 is cast where the rainwater collecting pool is built, so that compared with the method that the pool bottom 1 which is cast already is carried to the site, the carrying manpower and material resources are saved, and the cost for building the rainwater collecting pool is saved; the steel wires 22 are used for tightening the pool wall 3, applying prestress to the pool wall 3, improving the compression resistance of the pool wall 3, so that the rainwater collecting pool can contain large-capacity rainwater; the cement mortar protection layer 21 is used for preventing the steel wire 22 from rusting and corroding, and can improve the water impermeability of the rainwater collecting tank; the rainwater collecting tank is divided into a plurality of small collecting tanks 7 by the inner concrete plate 6, which is beneficial to reducing the pressure of the rainwater in the rainwater collecting tank to the tank wall 3.
As a preferred solution, the inner concrete slab 6 includes an upper side 24, a lower side 26, a left side 25 and a right side 27, the left side 25 and the right side 27 are symmetrically provided with an arc-shaped first groove 12, the lower side 26 is provided with a rectangular second groove 13, and the inner concrete slab 6 is provided with an oval through hole 11.
In the technical scheme, the second groove 13 and the through hole 11 can be used for the rainwater in the rainwater collecting tank to circulate, the through hole 11 is an elliptical through hole 11 with a larger area, and can be used for a person to pass through, so that the detection of the inner concrete slab 6 and the rainwater collecting tank is facilitated for an maintainer; the first groove 12 is matched with the water stop ring 23 to prevent rainwater in the rainwater collecting pool from penetrating into the first reinforcing steel bars 20 in the inner concrete plate 6 or the outer concrete plate 9, prevent the first reinforcing steel bars 20 from rusting and corroding, and prolong the service lives of the inner concrete plate 6 and the outer concrete plate 9, so that the service life of the rainwater collecting pool is prolonged.
As a preferred scheme, the pool wall 3 comprises a plurality of rectangular outer concrete plates 9, the outer concrete plates 9 sequentially comprise a first concrete plate 14, a second concrete plate 16 and a third concrete plate 18, the first concrete plate 14 and the third concrete plate 18 are symmetrical about the second concrete plate 16, a first concrete sloping plate 15 and a second concrete sloping plate 17 are respectively arranged between the first concrete plate 14, the third concrete plate 18 and the second concrete plate 16, arc-shaped first grooves 12 are symmetrically arranged on the first concrete plate 14 and the third concrete plate 18, the transverse sections of the first concrete plate 14 and the third concrete plate 18 are rectangular, and the transverse section of the second concrete plate 16 is arc-shaped.
In the technical scheme, the inner concrete plate 6 and the outer concrete plate 9 are molded and prefabricated, the volumes of the inner concrete plate 6 and the outer concrete plate 9 are far smaller than those of the pool bottom 1, the manpower and material resources for conveying the inner concrete plate 6 and the outer concrete plate 9 are smaller, the inner concrete plate 6 and the outer concrete plate 9 are molded and shaped, and the inner concrete plate 6 and the outer concrete plate 9 are directly conveyed when the rainwater collecting pool is built, so that the time for building the rainwater collecting pool can be greatly shortened, and the rainwater collecting pool can be put into use as soon as possible; the arrangement of the first concrete sloping plate 15 and the second concrete sloping plate 17 ensures that the second concrete plate 16, the first concrete plate 14 and the third concrete plate 18 are not on the same horizontal plane, the second concrete plate 16 protrudes outside the rainwater collecting tank, and the structure arrangement ensures that the rainwater with larger capacity can be collected on the basis of ensuring the firmness of the rainwater collecting tank; the transverse section of the second concrete slab 16 is arc-shaped, that is to say, the contact surface of the second concrete slab 16 and the steel wire 22 is arc-shaped, the arrangement of the arc-shaped surface can enable the second concrete slab 16 to be more attached to the steel wire 22, so that the stress of the steel wire 22 is more uniform, the service life of the steel wire 22 is prolonged, and the steel wire 22 applies force to the first concrete sloping plate 15 and the second concrete sloping plate 17 around the outer wall of a pool through the second concrete slab 16, so that the adjacent outer concrete slabs 9 are more compact.
As a preferable scheme, screw rods 10 are arranged between the outer concrete plates 9 and between the inner concrete plates 6, screw rods 10 are arranged between the outer concrete plates 9 and the inner concrete plates 6, water stop rings 23 are arranged on the screw rods 10, the water stop rings 23 are matched with the first grooves 12 for use, and fastening pieces 8 are arranged at two ends of the screw rods 10.
In the above technical solution, the screw 10 acts as a central column for building a house in the rainwater collecting tank, for improving the overall building strength of the rainwater collecting tank and the earthquake resistance of the rainwater collecting tank; the body of the rainwater collecting tank is formed by assembling a tank bottom 1, a screw rod 10, an outer concrete plate 9 and an inner concrete plate 6, gaps are formed between the screw rod 10 and the outer concrete plate 9 and between the screw rod 10 and the inner concrete plate 6, and the gaps are filled with micro-expanded cement mortar to prevent the rainwater collecting tank from leaking; the fastening member 8 is a nut, and the fastening member 8 makes the connection between the screw 10 and the outer and inner concrete slabs 9, 6 more tight.
As a preferable scheme, the shape of the rainwater collecting tank is rectangular, the shape of the small collecting tank 7 is square, the rainwater collecting tank further comprises a tank cover 28, a water inlet 5 and a water outlet 4 are arranged on the tank cover 28, and the water pump 2 is communicated with the rainwater collecting tank through the water outlet 4; the inner concrete slab 6 and the outer concrete slab 9 are integrally cast and molded concrete slabs, the inner concrete slab 6 and the outer concrete slab 9 comprise first concrete and first reinforced bars 20, and the first reinforced bars 20 are longitudinally arranged in the inner concrete slab 6 and the outer concrete slab 9.
In the technical scheme, the rainwater collecting tank is connected with an external sedimentation tank through the water inlet 5, and rainwater in the rainwater collecting tank can be directly used after being treated by an external device; the rainwater in the rainwater collecting pool is pumped out and utilized by controlling the water pump 2, the water pump 2 is a ZX series horizontal centrifugal pump, and the model number of the water pump 2 is 25ZX3.2-32; the inner concrete plate 6 and the outer concrete plate 9 are integrally poured, so that the inner concrete plate 6 and the outer concrete plate 9 are firmer, the inner concrete plate 6 and the outer concrete plate 9 are formed by compression molding, the inner concrete plate 6 and the outer concrete plate 9 can be obtained by automatic industrial production, and the construction efficiency of producing the inner concrete plate 6 and the outer concrete plate 9 is improved; the first reinforcing steel bars 20 are embedded in the inner concrete plate 6 and the outer concrete plate 9, the first reinforcing steel bars 20 are used for applying prestress in the longitudinal direction, the bearing force of the inner concrete plate 6 and the outer concrete plate 9 in the longitudinal direction is improved, and the rainwater collecting pool is firmer.
A method of constructing a rainwater collection tank for an assembled concrete prestressed molded tank pump, the method comprising the steps of:
a) Preparing an inner concrete plate 6 and an outer concrete plate 9;
B) Pouring the pool bottom 1;
C) Assembling a pool wall 3;
d) Dividing a rainwater collecting tank;
e) Fastening the pool wall 3;
F) The steel wire 22 is protected;
G) A pool cover 28 and a water pump 2 are installed.
Preferably, the construction method comprises the following steps:
A) Preparation of inner concrete slab 6 and outer concrete slab 9: selecting a first concrete 19 and a first reinforcing steel bar 20, mixing the first concrete 19 with the first reinforcing steel bar 20, and then placing the mixed first concrete into an inner concrete slab 6 mould and an outer concrete slab 9 mould, and respectively pressing into an inner concrete slab 6 and an outer concrete slab 9 which are about 200cm long, about 12cm wide and about 300cm high;
b) Pouring the pool bottom 1: in the construction site, the first concrete 19 is directly used for pouring the pool bottom 1 with the length of 1500cm and the width of 1000cm
C) Assembling a pool wall 3: selecting a plurality of external concrete plates 9 in the step A), fixing the external concrete plates 9 around the casting pool bottom 1 in the step B) to form a pool wall 3 with the length of about 800cm, the width of about 600cm and the height of 300cm, and forming a rainwater collecting pool by the pool wall 3 and the pool bottom 1;
d) Dividing a collecting pool: selecting a plurality of inner concrete plates 6 in the step A), fixing the inner concrete plates 6 in the rainwater collecting pool in the step C), and dividing the rainwater collecting pool into a plurality of small collecting pools 7 with the length of 200cm and the width of 200 cm;
E) Fastening the pool wall 3: transversely winding steel wires 22 on the pool wall 3 of the rainwater collecting pool in the step D), and fastening the pool wall 3;
F) Steel wire 22 protects: spraying cement mortar on the steel wire 22 in the step E) to form a cement mortar protective layer 21, slowing down the corrosion of the steel wire 22, wherein the thickness of the cement mortar protective layer 21 is about 50 mm;
g) Mounting the pool cover 28 and the water pump 2: a pool cover 28 and a water pump 2 are mounted on the rainwater collecting pool.
In the technical scheme, the inner concrete plate 6 and the outer concrete plate 9 are prefabricated by mould pressing in advance, the bottom 1 is cast in situ, a screw is arranged on the bottom 1 after the casting of the bottom 1, then the outer concrete plate 9 is assembled into the pool wall 3, the pool cover 28 is a pool cover 28 customized in advance, a water inlet and a water outlet are arranged on the pool cover 28, the water inlet is connected with an external rainwater treatment device, the water outlet is connected with the water pump 2, then the steel wire 22 is wound from the pool cover 28 to the bottom 1, the outer concrete plates 9 are tightly connected, finally the outside of the steel wire 22 is sprayed with cement mortar, and the rust corrosion speed of the steel wire 22 is slowed down; the tank cover 28 may be a custom made stainless steel tank cover 28 for use with a rainwater collection tank.
Preferably, the first reinforcing steel bar 20 in the step a) is a reinforcing steel bar subjected to heat treatment, the steel wire 22 in the step E) is a carbon steel wire 22, the first concrete 19 in the step a) is anti-penetration concrete, and the cement mortar in the step F) is provided with anti-shrinkage cement and an accelerator.
In the scheme, the first steel bars 20 are subjected to the heat treatment, and then the prestress is applied to the first steel bars 20, so that the rigidity of the inner concrete plate 6 and the outer concrete plate 9 is improved, and the service life of the rainwater collecting tank is prolonged; the steel wire 22 is a carbon steel wire 22, the carbon steel wire 22 is a prestressed steel wire 22 with carbon content not more than about 0.9%, the strength and the hardness of the carbon steel wire 22 are very high, and the prestressed steel wire 22 with high strength and high hardness can enable the pool wall 3 to be fastened more; the concrete in the inner concrete plate 6 and the outer concrete plate 9 adopts penetration-resistant concrete, so that the pores in the inner concrete plate 6 and the outer concrete plate 9 can be reduced, rainwater is prevented from penetrating into the inner concrete plate 6 and the outer concrete plate 9 from the pores to be contacted with the first reinforcing steel bars 20, and the first reinforcing steel bars 20 are prevented from rusting and corroding; the cement mortar is sprayed outside the steel wire 22, so that the setting accelerator is required to accelerate the setting of the cement mortar, and the cement mortar is prevented from sliding down, so that the cement mortar outside the steel wire 22 is uneven; the shrinkage-preventing cement is used for preventing cement mortar outside the steel wires 22 from shrinking and preventing the rainwater collecting tank from generating cracks, thereby prolonging the service life of the rainwater collecting tank.
Preferably, the cement mortar in the step F) is sprayed on the steel wire 22 when the rainwater collecting tank is filled with water.
In the above technical scheme, if the cement mortar is sprayed under the condition that the rainwater collecting tank is not full of water, the cement mortar can not bear the pressure of the tank wall 3 and the steel wire 22 when the rainwater collecting tank is full of water, so that the cement mortar protective layer 21 on the outer side of the steel wire 22 is cracked to generate gaps.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. Assembled concrete prestressing force mould pressing case pump rainwater collecting tank, its characterized in that: the rainwater collecting tank comprises a tank bottom (1) and a tank body, wherein the tank body comprises a tank wall (3), a water pump (2) is arranged on the tank bottom (1), and the water pump (2) is communicated with the rainwater collecting tank; the rainwater collecting tank is characterized in that the tank bottom (1) is formed by integrally pouring, a plurality of layers of steel wires (22) are arranged on the outer side of the tank wall (3), cement mortar protection layers (21) are sprayed on the outer sides of the steel wires (22), a plurality of rectangular inner concrete plates (6) are arranged in the rainwater collecting tank, the rainwater collecting tank is divided into a plurality of small collecting tanks (7) by the inner concrete plates (6), and the small collecting tanks (7) are communicated with each other; the inner concrete slab (6) comprises an upper side (24), a lower side (26), a left side (25) and a right side (27), wherein the left side (25) and the right side (27) are symmetrically provided with arc-shaped first grooves (12), the lower side (26) is provided with rectangular second grooves (13), and the inner concrete slab (6) is provided with oval through holes (11); the pool wall (3) comprises a plurality of rectangular outer concrete plates (9), the outer concrete plates (9) sequentially comprise a first concrete plate (14), a second concrete plate (16) and a third concrete plate (18), the first concrete plate (14) and the third concrete plate (18) are symmetrical relative to the second concrete plate (16), a first concrete sloping plate (15) and a second concrete sloping plate (17) are respectively arranged between the first concrete plate (14), the third concrete plate (18) and the second concrete plate (16), arc-shaped first grooves (12) are symmetrically arranged on the first concrete plate (14) and the third concrete plate (18), the transverse sections of the first concrete plate (14) and the third concrete plate (18) are rectangular, and the transverse section of the second concrete plate (16) is arc-shaped; screw rods (10) are arranged between the outer concrete plates (9) and the inner concrete plates (6), screw rings (23) are arranged on the screw rods (10), and the water rings (23) are matched with the first grooves (12).
2. The fabricated concrete prestressed mold tank pump rainwater collection tank of claim 1, wherein: the rainwater collecting tank is rectangular in shape, the small collecting tank (7) is square in shape, the rainwater collecting tank further comprises a tank cover (28), a water inlet (5) and a water outlet (4) are arranged on the tank cover (28), and the water pump (2) is communicated with the rainwater collecting tank through the water outlet (4); the inner concrete plate (6) and the outer concrete plate (9) are integrally cast and molded concrete plates, the inner concrete plate (6) and the outer concrete plate (9) comprise first concrete (19) and first reinforcing steel bars (20), and the first reinforcing steel bars (20) are longitudinally arranged in the inner concrete plate (6) and the outer concrete plate (9).
3. The construction method for the rainwater collection tank of the fabricated concrete prestress mould pressing box pump, which is applied to the 1, is characterized in that: the construction method comprises the following steps:
A) Preparing an inner concrete plate (6) and an outer concrete plate (9);
B) Pouring the pool bottom (1);
c) Assembling pool walls (3);
D) Dividing a rainwater collecting tank;
E) -fastening the pool wall (3);
F) The steel wire (22) is protected;
g) And a pool cover (28) and a water pump (2) are arranged.
4. A method of constructing a modular concrete prestressed modular tank pump rainwater collection tank as claimed in claim 3, wherein: the construction method comprises the following steps:
A) Preparation of an inner concrete plate (6) and an outer concrete plate (9): selecting a first concrete (19) and a first reinforcing steel bar (20), mixing the first concrete (19) with the first reinforcing steel bar (20), and then placing the mixed first concrete and the mixed first reinforcing steel bar into an inner concrete slab (6) die and an outer concrete slab (9) die, and respectively pressing the mixed first concrete and the first reinforcing steel bar into the inner concrete slab (6) and the outer concrete slab (9);
B) Pouring the pool bottom (1): directly pouring the pool bottom (1) by using first concrete (19) at a construction site;
c) Assembling pool walls (3): selecting a plurality of external concrete plates (9) in the step A), fixing the external concrete plates (9) around the pouring pool bottom (1) in the step B) to form pool walls (3), and forming a rainwater collecting pool by the pool walls (3) and the pool bottom (1);
D) Dividing a collecting pool: selecting a plurality of inner concrete plates (6) in the step A), fixing the inner concrete plates (6) in the rainwater collecting pool in the step C), and dividing the rainwater collecting pool into a plurality of small collecting pools (7);
e) Fastening the pool wall (3): transversely winding steel wires (22) on the pool wall (3) of the rainwater collecting pool in the step D), and fastening the pool wall (3);
F) The steel wire (22) is protected: spraying cement mortar on the steel wire (22) in the step E) to form a cement mortar protection layer (21), and slowing down corrosion of the steel wire (22);
G) Installing a pool cover (28) and a water pump (2): a pool cover (28) and a water pump (2) are arranged on the rainwater collecting pool.
5. The method for constructing the rainwater collection tank of the fabricated concrete prestressed mold pressing tank pump, as claimed in claim 4, is characterized in that: the first steel bar (20) in the step A) is a steel bar subjected to heat treatment, the steel wire (22) in the step E) is a carbon steel wire (22), the first concrete (19) in the step A) and the step B) is permeation-resistant concrete, and shrinkage-resistant cement and an accelerator are arranged in cement mortar in the step F).
6. The method for constructing the rainwater collection tank of the fabricated concrete prestressed mold pressing tank pump, as claimed in claim 5, is characterized in that: the cement mortar in the step F) is sprayed on the steel wire (22) when the rainwater collection tank is filled with water.
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| KR101293549B1 (en) * | 2012-05-31 | 2013-08-06 | 주식회사 코아이엔씨 | Structure of precast concrete water tank using prestressing |
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| CN109469189A (en) | 2019-03-15 |
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