CN114961253A - Construction method of triangular pyramid of water tank of sewage treatment station - Google Patents
Construction method of triangular pyramid of water tank of sewage treatment station Download PDFInfo
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- CN114961253A CN114961253A CN202210595025.5A CN202210595025A CN114961253A CN 114961253 A CN114961253 A CN 114961253A CN 202210595025 A CN202210595025 A CN 202210595025A CN 114961253 A CN114961253 A CN 114961253A
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- 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
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- 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
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
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- 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
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/208—Off-grid powered water treatment
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
A construction method of a triangular pyramid of a water tank of a sewage treatment station is characterized by comprising the following steps: a. b, constructing the water tank of the sewage treatment station in the direction of the sections on the two sides of the long side of the inverted quadrangular frustum and constructing the direction of the sections on the two sides of the short side of the inverted quadrangular frustum in the same way as the step b according to the design that the water tank of the sewage treatment station is in the shape of the inverted quadrangular frustum. The construction method of the water pool triangular pyramid of the sewage treatment station has the advantages that concrete solid bricks are used as brick bed films to pour concrete in a layered and segmented mode, so that the construction efficiency can be greatly improved, the inconvenience of reinforcing a limited space operation template of a water pool and the potential safety hazards of operation are avoided, the joint of a surface concrete reinforcing steel bar net piece and two end structures is reinforced by using embedded steel bars, the construction quality safety is guaranteed, the labor cost is reduced, and the construction period is shortened.
Description
Technical Field
The invention relates to a construction method of a triangular pyramid, in particular to a construction method of a water tank triangular pyramid of a sewage treatment station.
Background
The industrial development improves the economic benefit of China, but also causes the aggravation of water pollution and environmental pollution, and nowadays, people face the severe problem of water resource shortage, especially, the existence of a large amount of water pollution further reduces the available water resources of people, and each province and each enterprise actively supervises a sewage treatment station to effectively treat domestic sewage, industrial wastewater and the like in urban areas, so that the sewage and pollutants are prevented from directly flowing into water areas, and the method has important significance for improving the ecological environment, improving the urban grade and promoting the economic development.
In the pond such as nickel, chromium, zinc, plumbous, copper are contained at industrial factory building sewage treatment station, often set up the triangular pyramid and prevent that harmful chemical from deposiing, play diversion water conservancy diversion effect, this triangular pyramid is mostly concrete structure, often adopts following method to construct: firstly, during one-step structural construction, the triangular cones are poured together, but the triangular cones have larger inclination angle, are not firmly reinforced by a hanging mould, are not suitable for forming concrete and have larger construction difficulty; and secondly, secondary structure construction needs to be carried out, old screw rods are reserved for reinforcing the template in a segmented pouring mode, the operation is carried out in a limited space of a pool, the site is narrow, a mold expanding and mold bursting are generated during pouring, the concrete forming quality is poor, and the construction is slow.
Therefore, the construction method of the basin triangular pyramid of the known sewage treatment station has various inconveniences and problems.
Disclosure of Invention
The invention aims to provide a safe and reliable construction method of a triangular pyramid of a water tank of a sewage treatment station.
In order to achieve the purpose, the technical solution of the invention is as follows:
a construction method of a triangular pyramid of a water tank of a sewage treatment station is characterized by comprising the following steps:
a. according to the design, the water pool of the sewage treatment station is in an inverted quadrangular frustum pyramid shape, the size of the top surface of the inverted quadrangular frustum pyramid is 3000 multiplied by 5000mm, the size of the bottom surface of the inverted quadrangular frustum pyramid is 1200 multiplied by 2000mm, and the height of the inverted quadrangular frustum pyramid is 2142 mm; the width of the triangular pyramid in the section direction of two sides of the long side of the inverted quadrangular frustum is 900 multiplied by 2142mm, and the included angle with the horizontal direction is 67 degrees; the width of the triangular pyramid in the section directions of two sides of the short side of the inverted quadrangular frustum is 1500 multiplied by 2142mm, and the included angle between the triangular pyramid and the horizontal plane is 55 degrees;
b. the construction method of the sections of the two sides of the long side of the inverted quadrangular frustum comprises the following steps:
1) building a 1 st concrete solid brick moulding bed on two sides of the bottom surface of the inverted quadrangular frustum pyramid along the outer side direction of the pool wall, wherein M7.5 cement mortar is adopted for building, the building width is 500mm, the building height is 1190mm, the building length is 5000mm, and the building angle is 67 degrees with the horizontal direction;
2) pouring concrete outside the concrete solid brick moulding bed, wherein the pouring width of the concrete is 292mm, the pouring height is 1190mm, and the pouring length is 5000mm, so that the upper surface of the concrete at the top end of the 1 st concrete solid brick moulding bed is flush;
3) continuously building a 2 nd concrete solid brick moulding bed on the flush surface along the outer side direction of the pool wall, wherein the building width is 292mm, the building height is 694mm, the building length is 5000mm, and the building angle and the horizontal direction form 67 degrees, so that the oblique surfaces of the 1 st concrete solid brick moulding bed and the 2 nd concrete solid brick moulding bed form an inclined plane of an inverted quadrangular frustum;
4) pouring C20 fine stones with the strength grade of C20 on the inclined surface of the inverted quadrangular frustum pyramid on two sides in the inner side direction of the pool wall, wherein the thickness is 100mm, the joint of an internally-matched 4@150 steel wire mesh and two end structures is reinforced by adopting HBB400, and the steel bar planting depth is 120 mm;
c. the construction method of the two side section directions of the short side of the inverted quadrangular frustum pyramid is the same as the construction method of the step b, and comprises the following steps:
1) the strength grade of the masonry concrete solid brick is MU15, the specification is 200 multiplied by 95 multiplied by 90mm, M7.5 cement mortar is adopted for masonry, the masonry width is 500mm, the masonry height is 714mm, the masonry length is 3000mm, and the masonry angle is 55 degrees with the horizontal direction;
2) and the strength grade of the cast concrete is C20 fine-stone concrete. The casting width is 878mm, the casting height is 714mm, and the casting length is 3000 mm;
3) the strength grade of the masonry concrete solid brick is MU15, the specification is 200 multiplied by 95 multiplied by 90mm, M7.5 cement mortar is adopted for masonry, the masonry width is 500mm, the masonry height is 714mm, the masonry length is 3000mm, and the masonry angle is 55 degrees with the horizontal direction;
4) and the strength grade of the cast concrete is C20 fine-stone concrete. Pouring width 378mm, pouring height 714mm and pouring length 3000 mm;
5) the strength grade of the masonry concrete solid brick is MU15, the specification is 200 multiplied by 95 multiplied by 90mm, M7.5 cement mortar is adopted for masonry, the masonry width is 378mm, the masonry height is 540mm, the masonry length is 3000mm, and the masonry angle and the horizontal direction form 55 degrees;
6) the strength grade of the concrete of the pouring surface layer is C20 fine stones, the thickness is 100mm, the joint of the internally-matched 4@150 steel wire mesh and the two-end structure is connected and reinforced by the steel bar planting with the diameter of 12 by adopting HBB400, and the planting depth is 120 mm.
The construction method of the water tank triangular pyramid of the sewage treatment station can be further realized by adopting the following technical measures.
The method, wherein the strength grade of the concrete solid brick is MU15, and the specification is 200 x 95 x 90 mm.
The method of the preceding, wherein the concrete strength grade is C20 fine aggregate concrete.
After the technical scheme is adopted, the construction method of the water tank triangular pyramid of the sewage treatment station has the following advantages:
1. the construction efficiency can be greatly improved by pouring concrete in a layered and segmented manner by using the concrete solid bricks as the brick bed films, and inconvenience in reinforcing the operation template in the limited space of the water pool and potential safety hazards in operation are avoided;
2. the joint of the surface concrete reinforcing mesh and the two end structures is reinforced by planting bars, so that the construction quality safety is ensured;
3. the labor cost is reduced, and the construction period is shortened.
Drawings
FIG. 1 is a schematic view of an inverted quadrangular frustum of a basin of a sewage treatment station according to an embodiment of the present invention;
FIG. 2 is a schematic construction diagram of the inverted quadrangular frustum pyramid with two long sides along the cross-sectional direction according to the embodiment of the present invention;
fig. 3 is a schematic construction diagram of the inverted quadrangular frustum pyramid short side in the two-side cross-sectional direction according to the embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the following examples and the accompanying drawings.
Example 1
Referring to fig. 1, fig. 1 is a schematic view of an inverted quadrangular frustum of a basin of a sewage treatment station according to an embodiment of the present invention. The invention discloses a construction method of a triangular pyramid of a water tank of a sewage treatment station, which comprises the following steps:
a. according to the design, the water pool of the sewage treatment station is in an inverted quadrangular frustum pyramid shape, the size of the top surface of the inverted quadrangular frustum pyramid is 3000 multiplied by 5000mm, the size of the bottom surface of the inverted quadrangular frustum pyramid is 1200 multiplied by 2000mm, and the height of the inverted quadrangular frustum pyramid is 2142 mm; the width of the triangular pyramid in the section direction of two sides of the long side of the inverted quadrangular frustum is 900 multiplied by 2142mm, and the included angle with the horizontal direction is 67 degrees; the width of the triangular pyramid in the section directions of two sides of the short side of the inverted quadrangular frustum is 1500 multiplied by 2142mm, and the included angle between the triangular pyramid and the horizontal plane is 55 degrees;
fig. 2 is a schematic construction diagram of the inverted quadrangular frustum pyramid in the cross-sectional direction of both sides of the long side of the truncated quadrangular frustum pyramid according to the embodiment of the present invention.
b. The construction method of the sections of the two sides of the long side of the inverted quadrangular frustum comprises the following steps of adopting layered and segmented construction, and building a concrete solid brick bed course 1, pouring concrete 2, building a concrete solid brick bed course 3 and pouring surface layer concrete 4 according to the following steps:
1) the concrete solid brick (1) is built by adopting M7.5 cement mortar, the building width is 500mm, the building height is 1190mm, the building length is 5000mm, and the building angle is 67 degrees with the horizontal direction.
2) And the strength grade of the cast concrete is C20 fine-stone concrete. The casting width is 292mm, the casting height is 1190mm, and the casting length is 5000 mm.
3) The strength grade of the masonry concrete solid brick is MU15, the specification is 200 multiplied by 95 multiplied by 90mm, the masonry concrete solid brick is built by M7.5 cement mortar, the masonry width is 292mm, the masonry height is 694mm, the masonry length is 5000mm, and the masonry angle is 67 degrees with the horizontal direction.
4) The strength grade of the concrete of the pouring surface layer is C20 fine stones, the thickness is 100mm, the joint of the internally-matched 4@150 steel wire mesh and the two-end structure is connected and reinforced by the steel bar planting with the diameter of 12 by adopting HBB400, and the planting depth is 120 mm.
Fig. 3 is a schematic construction diagram of the inverted quadrangular frustum pyramid short side in the two-side cross-sectional direction according to the embodiment of the present invention.
c. The construction method comprises the steps of building a concrete solid brick bed mould 4, pouring concrete 5, building a concrete solid brick bed mould 6, pouring concrete 7, building a concrete solid brick bed mould 8 and pouring surface layer concrete 9. The method comprises the following steps:
1) the strength grade of the masonry concrete solid brick is MU15, the specification is 200 multiplied by 95 multiplied by 90mm, M7.5 cement mortar is adopted for masonry, the masonry width is 500mm, the masonry height is 714mm, the masonry length is 3000mm, and the masonry angle is 55 degrees with the horizontal direction.
2) And the strength grade of the cast concrete is C20 fine aggregate concrete. The casting width is 878mm, the casting height is 714mm, and the casting length is 3000 mm.
3) The strength grade of the masonry concrete solid brick is MU15, the specification is 200 multiplied by 95 multiplied by 90mm, M7.5 cement mortar is adopted for masonry, the masonry width is 500mm, the masonry height is 714mm, the masonry length is 3000mm, and the masonry angle is 55 degrees with the horizontal direction.
4) And the strength grade of the cast concrete is C20 fine-stone concrete. Casting width 378mm, casting height 714mm and casting length 3000 mm.
5) The strength grade of the masonry concrete solid brick is MU15, the specification is 200 multiplied by 95 multiplied by 90mm, the masonry concrete solid brick is masonry by M7.5 cement mortar, the masonry width is 378mm, the masonry height is 540mm, the masonry length is 3000mm, and the masonry angle is 55 degrees with the horizontal direction.
6) The strength grade of the concrete of the pouring surface layer is C20 fine stones, the thickness is 100mm, the joint of the internally-matched 4@150 steel wire mesh and the two-end structure is connected and reinforced by the steel bar planting with the diameter of 12 by adopting HBB400, and the planting depth is 120 mm.
Compared with the traditional method, the construction efficiency can be greatly improved by using the concrete solid bricks to cast the concrete in a layered and segmented manner by using the brick bed films, the inconvenience of reinforcing the operation template in the limited space of the water pool and the potential safety hazard of the operation can be avoided, the phenomenon of mold expansion and mold explosion can not be generated, meanwhile, the joint of the surface concrete reinforcing mesh and the structures at two ends is reinforced by the embedded bars, the construction quality safety is ensured, the labor cost is reduced, the construction period is shortened, and the construction method is popular among operators, management and use units.
The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes or modifications without departing from the spirit and scope of the present invention. Accordingly, all equivalents are intended to fall within the scope of the invention, which is defined in the claims.
Claims (3)
1. A construction method of a triangular pyramid of a water tank of a sewage treatment station is characterized by comprising the following steps:
a. according to the design, the water pool of the sewage treatment station is in an inverted quadrangular frustum pyramid shape, the size of the top surface of the inverted quadrangular frustum pyramid is 3000 multiplied by 5000mm, the size of the bottom surface of the inverted quadrangular frustum pyramid is 1200 multiplied by 2000mm, and the height of the inverted quadrangular frustum pyramid is 2142 mm; the width of the triangular pyramid in the section direction of two sides of the long side of the inverted quadrangular frustum is 900 multiplied by 2142mm, and the included angle with the horizontal direction is 67 degrees; the width of the triangular pyramid in the section directions of two sides of the short side of the inverted quadrangular frustum is 1500 multiplied by 2142mm, and the included angle between the triangular pyramid and the horizontal plane is 55 degrees;
b. the construction method of the sections of the two sides of the long side of the inverted quadrangular frustum comprises the following steps:
1) building a 1 st concrete solid brick moulding bed on two sides of the bottom surface of the inverted quadrangular frustum pyramid along the outer side direction of the pool wall, wherein M7.5 cement mortar is adopted for building, the building width is 500mm, the building height is 1190mm, the building length is 5000mm, and the building angle is 67 degrees with the horizontal direction;
2) pouring concrete outside the concrete solid brick moulding bed, wherein the pouring width of the concrete is 292mm, the pouring height is 1190mm, and the pouring length is 5000mm, so that the upper surface of the concrete at the top end of the 1 st concrete solid brick moulding bed is flush;
3) continuously building a 2 nd concrete solid brick moulding bed on the flush surface along the outer side direction of the pool wall, wherein the building width is 292mm, the building height is 694mm, the building length is 5000mm, and the building angle and the horizontal direction form 67 degrees, so that the oblique surfaces of the 1 st concrete solid brick moulding bed and the 2 nd concrete solid brick moulding bed form an inclined plane of an inverted quadrangular frustum;
4) pouring C20 fine stones with the strength grade of C20 on the inclined surface of the inverted quadrangular frustum pyramid on two sides in the inner side direction of the pool wall, wherein the thickness is 100mm, the joint of an internally-matched 4@150 steel wire mesh and two end structures is reinforced by adopting HBB400, and the steel bar planting depth is 120 mm;
c. the construction method of the two side section directions of the short side of the inverted quadrangular frustum pyramid is the same as the construction method of the step b, and comprises the following steps:
1) the strength grade of the masonry concrete solid brick is MU15, the specification is 200 multiplied by 95 multiplied by 90mm, M7.5 cement mortar is adopted for masonry, the masonry width is 500mm, the masonry height is 714mm, the masonry length is 3000mm, and the masonry angle is 55 degrees with the horizontal direction;
2) pouring fine stone concrete with the concrete strength grade of C20;
the casting width is 878mm, the casting height is 714mm, and the casting length is 3000 mm;
3) the strength grade of the masonry concrete solid brick is MU15, the specification is 200 multiplied by 95 multiplied by 90mm, M7.5 cement mortar is adopted for masonry, the masonry width is 500mm, the masonry height is 714mm, the masonry length is 3000mm, and the masonry angle is 55 degrees with the horizontal direction;
4) pouring fine stone concrete with the concrete strength grade of C20;
pouring width 378mm, pouring height 714mm and pouring length 3000 mm;
5) the strength grade of the masonry concrete solid brick is MU15, the specification is 200 multiplied by 95 multiplied by 90mm, M7.5 cement mortar is adopted for masonry, the masonry width is 378mm, the masonry height is 540mm, the masonry length is 3000mm, and the masonry angle and the horizontal direction form 55 degrees;
6) the strength grade of the concrete of the pouring surface layer is C20 fine stones, the thickness is 100mm, the joint of the internally-matched 4@150 steel wire mesh and the two-end structure is connected and reinforced by the steel bar planting with the diameter of 12 by adopting HBB400, and the planting depth is 120 mm.
2. The method for constructing the triangular pyramid of the water tank of the sewage treatment station as claimed in claim 1, wherein the strength grade of the concrete solid brick is MU15 and the specification is 200 x 95 x 90 mm.
3. The method for constructing a triangular pyramid of a water tank of a sewage treatment station as claimed in claim 1, wherein the strength grade of the concrete is C20 fine-grained concrete.
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