CN110359525B - Static pressure prefabricated assembled water pool and construction method thereof - Google Patents
Static pressure prefabricated assembled water pool and construction method thereof Download PDFInfo
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- CN110359525B CN110359525B CN201910535316.3A CN201910535316A CN110359525B CN 110359525 B CN110359525 B CN 110359525B CN 201910535316 A CN201910535316 A CN 201910535316A CN 110359525 B CN110359525 B CN 110359525B
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B11/00—Arrangements or adaptations of tanks for water supply
- E03B11/10—Arrangements or adaptations of tanks for water supply for public or like main water supply
- E03B11/14—Arrangements or adaptations of tanks for water supply for public or like main water supply of underground tanks
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
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- Structural Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
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Abstract
The invention discloses a static pressure prefabricated assembled water pool and a construction method thereof, wherein a pool wall structure is divided into strip-shaped prefabricated blocks for processing and prefabricating; positioning the construction site, and excavating a guide pressure relief hole; sequentially pressing the strip-shaped precast blocks of the pool wall plate into the soil layer by adopting a static pressure machine to form a pool wall rudiment; excavating an internal soil body, and well supporting; removing soil at the connection position of the precast blocks, carrying out steel bar butt joint, and carrying out cast-in-place construction on the connection position; and (5) casting a bottom plate in situ and dismantling the support. The static pressure technology is applied to the construction of the pool structure, so that the earth excavation and backfill amount in the conventional pool construction process can be greatly reduced, the deformation and uneven settlement of surrounding buildings are reduced, the static pressure pool is suitable for construction in narrow space, the requirement on a construction site is reduced, the pool construction speed is accelerated, the construction period is shortened, the noise is low during construction, and the static pressure pool can be constructed in sites with residential areas around. Meanwhile, the static pressure technology can greatly improve the frictional resistance of the side wall of the water tank, and is favorable for reducing the anti-floating cost.
Description
Technical Field
The invention relates to a pool structure, in particular to a novel construction method of the pool structure.
Background
On one hand, with the rapid development of economy and industry, a large number of water tanks need to be newly built in thermal power plants, sewage treatment plants and the like; on the other hand, under the large background of ecological civilization construction, environmental protection reconstruction or reconstruction is urgently needed to be carried out on a plurality of constructed water pools. In the process of transformation, the requirement of rapid construction is often met, the existing pool construction basically adopts a large excavation scheme, the construction period is long, the earth excavation and backfilling amount are large, peripheral buildings are easy to deform and settle unevenly, and the pool is particularly not suitable for construction in narrow space and has great technical innovation requirements. At present, the application of static pressure technology is mature in the construction of pile structures, and the static pressure technology can provide technical support for the innovation of the construction technology of pool structures.
Disclosure of Invention
The purpose of the invention is as follows: the invention provides a static pressure prefabricated assembly type water pool and a construction method thereof, and aims to solve the problems that in the prior art, the water pool is large in earth excavation and backfill amount, easy to cause deformation and uneven settlement of surrounding buildings and not suitable for narrow space construction.
The technical scheme is as follows: a static pressure prefabricated assembled pool building method comprises the following steps:
the method comprises the following steps: processing the precast block according to the pool wall structure;
step two: positioning a water pool construction site, marking the pressing-in position of the precast block according to the position of the pool wall, and excavating a guide pressure relief hole at the marked position;
step three: pressing the precast blocks into a soil layer by using a static pressure machine to form a pool wall;
step four: excavating soil inside the pool wall, and supporting the pool wall in the excavation process;
step five: after the inner soil body is excavated to a specified depth, removing the soil body between the adjacent prefabricated blocks, and butting and casting the connecting positions in situ;
step six: and (5) casting a bottom plate in situ, and dismantling the support in the step four.
Further, in the first step, the precast block is of a slab-shaped reinforced concrete structure, and comprises a middle plate body, a web plate and reinforcing ribs, wherein the web plate is positioned on the inner side of the middle plate body, and the reinforcing ribs are positioned on the outer side of the middle plate body; the reinforcing steel bars are exposed at two ends of the web plate.
Further, in the first step, the precast block further comprises a cutting edge, the cutting edge is located at the bottom of the precast block, and the tail end of the bottom of the cutting edge is in a sharp angle shape.
Further, in the first step, the bottom of the precast block is provided with an L-shaped steel bar, and the vertical section of the L-shaped steel bar is positioned inside the precast block; the outer edge of the threaded sleeve is flush with the surface of the precast block; the horizontal section of the L-shaped steel bar is connected with the threaded sleeve.
Furthermore, in the second step, the guide pressure relief holes have the functions of penetration guide and pressure relief at the same time, and the depth is consistent with the pressing depth of the precast block; the positions of the guide pressure relief holes are arranged along the length direction of the precast block and/or the positions of the reinforcing ribs, the density degree of the drill holes is determined according to the pressing depth and the soil hardness, and the deeper the pressing depth is, the denser the soil is, and the more the number of the drill holes is.
Furthermore, after the precast blocks are pressed into the soil layer, the adjacent precast blocks are mutually attached through flanges at two ends of the precast blocks.
Further, in the fifth step, the method for butting and casting the connecting positions between the adjacent prefabricated blocks in a cast-in-place mode comprises the following steps: clear away the soil body between the prefabricated section web earlier, wash and expose the reinforcing bar, dock the reinforcing bar of adjacent prefabricated section, pour the concrete between to the web again, form cast-in-place section.
Further, in step six, at first the bottom plate steel reinforcement framework is banded, steel reinforcement framework includes main atress muscle, is connected main atress muscle and L shaped steel muscle through the threaded sleeve, then pours the bottom plate.
A static pressure prefabricated assembled water pool comprises a peripheral pool wall and a bottom plate, wherein the peripheral pool wall comprises a plurality of prefabricated blocks, the prefabricated blocks are of a slab-shaped reinforced concrete structure, each prefabricated block comprises a middle plate body, a web plate and a reinforcing rib, the web plate is positioned on the inner side of the middle plate body, and the reinforcing ribs are positioned on the outer side of the middle plate body and are arranged along the elevation direction; the reinforcing steel bars in the adjacent webs extend out and are connected with each other, and a cast-in-place section is poured outside the reinforcing steel bars; the adjacent precast blocks are mutually attached through flanges at two ends of the middle plate body; the bottom of the precast block is provided with an L-shaped steel bar, and the vertical section of the L-shaped steel bar is positioned inside the precast block; the outer edge of the threaded sleeve is flush with the surface of the precast block; the horizontal section of the L-shaped steel bar is connected with the threaded sleeve; the bottom plate is located the pond bottom, has main atress muscle in the bottom plate, main atress muscle is connected with L shaped steel muscle through threaded sleeve.
Furthermore, the precast block also comprises a cutting edge which is positioned at the bottom of the precast block, and the tail end of the bottom of the cutting edge is in a sharp angle shape.
Has the advantages that: based on the background, the invention provides a static pressure prefabricated assembled water pool and a construction method thereof, compared with the prior art, the static pressure prefabricated assembled water pool has the following advantages:
1. the invention adopts the static pressure technology to directly press the prefabricated block of the tank wall into the ground, and only excavates the internal soil body after the pressing of the peripheral tank wall is finished, thereby avoiding the large excavation scheme of the traditional construction, accelerating the construction progress and being suitable for the construction of narrow space.
2. The pool wall pressed in earlier stage can be used as an enclosure structure for later stage internal soil excavation, so that the construction process of the enclosure pile is omitted, the construction cost is saved, and the construction period is shortened.
3. The static pressure construction method has low noise in the whole process and is suitable for the construction environment of residential areas around.
4. The pool wall can compact the soil bodies on two sides in the process of pressing the soil bodies into the pool wall, so that the frictional resistance of the pool side wall can be greatly improved, and the anti-floating cost can be favorably reduced.
5. Through the reasonable design to the prefabricated section of pool wall, can guarantee the intensity and the prevention of seepage performance of prefabricated section hookup location, guarantee the performance of pond structure.
Drawings
FIG. 1 is a schematic illustration of a splice between precast blocks;
FIG. 2 is a schematic illustration of the splicing of the preform block and the base plate;
FIG. 3 is a schematic view of a pilot pressure relief vent;
fig. 4 is a schematic view of the walls of a hydrostatic prefabricated assembled water basin.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
A static pressure prefabricated assembled pool building method comprises the following steps:
the method comprises the following steps: processing the precast block 1 according to the structure of the pool wall;
as shown in fig. 1, the precast block 1 is a slab-shaped reinforced concrete structure, the precast block 1 includes a middle plate body 3, a web 5 and a reinforcing rib 6, the web 5 is located at the inner side of the middle plate body 3, and the reinforcing rib 6 is located at the outer side of the middle plate body 3; the reinforcing steel bars 2 are reserved on two sides of the web plate 5, flanges 4 at two ends of the adjacent prefabricated blocks 1 are mutually attached after pressing, and the outer soil bodies caused by later-stage inner soil body excavation can be prevented from sliding into the pool. And the cavity between the adjacent webs 5 can be convenient for the butt joint of the reinforcing steel bars 2 between the adjacent prefabricated blocks, and the integrity of the assembly structure is improved after the cast-in-place process is carried out.
The precast block 1 further comprises a cutting edge 11, the cutting edge 11 is located at the bottom of the precast block, and the tail end of the bottom of the cutting edge 11 is in a pointed shape, so that static pressure construction is facilitated, and resistance in a static pressure process is reduced.
As shown in fig. 2, the bottom of the precast block 1 is provided with an L-shaped steel bar 9, and a vertical section of the L-shaped steel bar 9 is positioned inside the precast block 1; the prefabricated block structure further comprises a threaded sleeve 10, wherein the threaded sleeve 10 is embedded into the prefabricated block 1, and the outer edge of the threaded sleeve 10 is flush with the surface of the prefabricated block 1; the horizontal section of the L-shaped steel bar 9 is connected with the threaded sleeve 10, and the structure is convenient for the connection between the follow-up precast block 1 and the bottom plate 7.
Step two: and (4) positioning the construction site of the pool, and excavating a guide pressure relief hole 13 at the marked position of the soil layer 12 according to the position of the pool wall for marking the pressed-in position of the precast block, as shown in figure 3. The guiding pressure relief holes 13 have the functions of penetration guiding and pressure relief, the drilling depth is consistent with the pressing depth, and the guiding pressure relief holes 13 are arranged at the positions of the outer reinforcing ribs 6 besides being arranged along the length direction of the precast block 1, so that the precast block can be uniformly pressed in. And determining the density degree of the drill holes according to the pressing depth and the soil hardness, wherein the deeper the pressing depth is, the denser the soil is, and the more the number of the drill holes is.
Step three: and pressing the precast block 1 into the soil layer by using a static pressure machine to form the pool wall.
Step four: after all the prefabricated blocks 1 of the peripheral tank wall are pressed into the soil body, excavating the soil body on the inner side, determining the excavating depth of each layer according to the depth of the tank wall, and performing tank wall support step by step to prevent the tank wall from generating large lateral deformation.
Step five: after the internal soil body is excavated to the appointed depth, the soil body between the adjacent prefabricated blocks 1 is removed, and the connection position between the adjacent prefabricated blocks 1 is butted and cast in situ: clear away the soil body between the prefabricated section web 5 earlier, wash and expose reinforcing bar 2, dock reinforcing bar 2 of adjacent prefabricated section, to pouring concrete between the web again, form cast-in-place section 14, make and form good the connection between two prefabricated sections.
Step six: firstly binding a bottom plate steel reinforcement framework, wherein the steel reinforcement framework comprises a main stress rib 8, connecting the main stress rib 8 with an L-shaped steel rib 9 through a threaded sleeve 10, then pouring a bottom plate 7, and dismantling the support in the fourth step.
The prefabricated blocks 1 pressed into the periphery form a pool wall and can be used as an enclosure structure for later-stage internal soil excavation, so that the construction process of an enclosure pile is omitted, the construction cost is saved, and the construction period is shortened.
A static pressure prefabricated assembled water pool comprises a peripheral pool wall and a bottom plate 7, wherein the peripheral pool wall comprises a plurality of prefabricated blocks 1, the prefabricated blocks 1 are of a slab-shaped reinforced concrete structure, each prefabricated block 1 comprises a middle plate body 3, a web plate 5 and a reinforcing rib 6, the web plate 5 is positioned on the inner side of the middle plate body 3, and the reinforcing rib 6 is positioned on the outer side of the middle plate body 3; the reinforcing steel bars 2 in the adjacent webs 5 extend out and are connected with each other, and cast-in-place sections are poured outside the reinforcing steel bars 2; the bottom of the precast block 1 is provided with an L-shaped steel bar 9, and the vertical section of the L-shaped steel bar 9 is positioned inside the precast block 1; the prefabricated block structure further comprises a threaded sleeve 10, wherein the threaded sleeve 10 is embedded into the prefabricated block 1, and the outer edge of the threaded sleeve 10 is flush with the surface of the prefabricated block 1; the horizontal section of the L-shaped steel bar 9 is connected with the threaded sleeve 10; the bottom plate 7 is located the pond bottom, has main atress muscle 8 in the bottom plate 7, main atress muscle 8 is connected with L shaped steel muscle 9 through threaded sleeve 10. Precast block 1 still includes sword foot 11, and sword foot 11 is located precast block 1 bottom, sword foot 11 bottom end is sharp horn shape.
Claims (10)
1. A static pressure prefabricated assembled pool building method is characterized by comprising the following steps:
the method comprises the following steps: processing the precast block according to the pool wall structure;
step two: positioning a water pool construction site, marking the pressing-in position of the precast block according to the position of the pool wall, and excavating a guide pressure relief hole at the marked position;
step three: pressing the precast blocks into a soil layer by using a static pressure machine to form a pool wall;
step four: excavating soil inside the pool wall, and supporting the pool wall in the excavation process;
step five: after the inner soil body is excavated to a specified depth, removing the soil body between the adjacent prefabricated blocks, and butting and casting the connecting positions in situ;
step six: and (5) casting a bottom plate in situ, and dismantling the support in the step four.
2. The method for constructing a static pressure prefabricated assembled water pool as claimed in claim 1, wherein in the first step, the prefabricated block is a slab-shaped reinforced concrete structure, the prefabricated block comprises a middle plate body, a web plate and reinforcing ribs, the web plate is positioned on the inner side of the middle plate body, and the reinforcing ribs are positioned on the outer side of the middle plate body; the reinforcing steel bars are exposed at two ends of the web plate.
3. The method of constructing a static prefabricated assembled pond according to claim 1, wherein in the first step, the precast block further comprises a blade foot, the blade foot is positioned at the bottom of the precast block, and the bottom of the blade foot is pointed.
4. The construction method of the static pressure prefabricated assembled water pool as claimed in claim 1, wherein in the first step, the bottom of the precast block is provided with L-shaped steel bars, and the vertical section of the L-shaped steel bars is positioned inside the precast block; the outer edge of the threaded sleeve is flush with the surface of the precast block; the horizontal section of the L-shaped steel bar is connected with the threaded sleeve.
5. The construction method of the static pressure prefabricated assembled water pool as claimed in claim 2, wherein in the second step, the depth of the guide pressure relief hole is consistent with the pressing depth of the precast block; the positions of the guide pressure relief holes are arranged along the length direction of the precast block and/or the positions of the reinforcing ribs.
6. The method for constructing a static pressure prefabricated assembled water pool as claimed in claim 2, wherein in the third step, after the prefabricated blocks are pressed into the soil layer, the adjacent prefabricated blocks are attached to each other through flanges at both ends of the prefabricated blocks.
7. The construction method of the static pressure prefabricated assembled water pool as claimed in claim 2, wherein in the fifth step, the method for butt-jointing and cast-in-place of the connection positions between the adjacent precast blocks comprises the following steps: clear away the soil body between the prefabricated section web earlier, wash and expose the reinforcing bar, dock the reinforcing bar of adjacent prefabricated section, pour the concrete between to the web again, form cast-in-place section.
8. The construction method of the static pressure prefabricated assembled type water pool according to the claim 4, wherein in the sixth step, a steel reinforcement framework of the bottom plate is firstly bound, the steel reinforcement framework comprises a main stress rib, the main stress rib is connected with the L-shaped steel rib through a threaded sleeve, and then the bottom plate is poured.
9. A static pressure prefabricated assembled water pool is characterized by comprising a peripheral pool wall and a bottom plate, wherein the peripheral pool wall comprises a plurality of prefabricated blocks, the prefabricated blocks are of a slab-shaped reinforced concrete structure, each prefabricated block comprises a middle plate body, a web plate and a reinforcing rib, the web plate is positioned on the inner side of the middle plate body, and the reinforcing rib is positioned on the outer side of the middle plate body; the reinforcing steel bars in the adjacent webs extend out and are connected with each other, and cast-in-place sections are poured outside the reinforcing steel bars; flanges at two ends of adjacent precast blocks are mutually attached; the bottom of the precast block is provided with an L-shaped steel bar, and the vertical section of the L-shaped steel bar is positioned inside the precast block; the outer edge of the threaded sleeve is flush with the surface of the precast block; the horizontal section of the L-shaped steel bar is connected with the threaded sleeve; the bottom plate is located the pond bottom, has main atress muscle in the bottom plate, main atress muscle is connected with L shaped steel muscle through threaded sleeve.
10. The prefabricated, static-pressure assembled water pool of claim 9, wherein the prefabricated block further comprises a cutting edge, the cutting edge is positioned at the bottom of the prefabricated block, and the bottom of the cutting edge is pointed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910535316.3A CN110359525B (en) | 2019-06-20 | 2019-06-20 | Static pressure prefabricated assembled water pool and construction method thereof |
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| CN201910535316.3A CN110359525B (en) | 2019-06-20 | 2019-06-20 | Static pressure prefabricated assembled water pool and construction method thereof |
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| CN110359525A CN110359525A (en) | 2019-10-22 |
| CN110359525B true CN110359525B (en) | 2020-10-02 |
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| CN115162384B (en) * | 2022-07-21 | 2023-07-14 | 河南省水利第一工程局 | Non-water-cut construction cofferdam structure of pump station forebay and non-water-cut construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH05321510A (en) * | 1992-05-21 | 1993-12-07 | Nippon Steel Corp | Construction method for underground tank |
| CN201649434U (en) * | 2009-12-30 | 2010-11-24 | 湖南高岭建设集团股份有限公司 | Ribbed reinforced concrete prefabricated component plate |
| CN104846842A (en) * | 2015-05-27 | 2015-08-19 | 中船第九设计研究院工程有限公司 | Deeply-buried pool construction method for gridded underground continuous-wall foundation pit support |
| CN104895379A (en) * | 2015-04-15 | 2015-09-09 | 李兆鹏 | Reinforced concrete water pool and construction method for same |
| CN107700475A (en) * | 2017-11-16 | 2018-02-16 | 浙江杰立建设集团有限公司 | A kind of assembly concrete continuous underground wall structure and construction technology |
-
2019
- 2019-06-20 CN CN201910535316.3A patent/CN110359525B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05321510A (en) * | 1992-05-21 | 1993-12-07 | Nippon Steel Corp | Construction method for underground tank |
| CN201649434U (en) * | 2009-12-30 | 2010-11-24 | 湖南高岭建设集团股份有限公司 | Ribbed reinforced concrete prefabricated component plate |
| CN104895379A (en) * | 2015-04-15 | 2015-09-09 | 李兆鹏 | Reinforced concrete water pool and construction method for same |
| CN104846842A (en) * | 2015-05-27 | 2015-08-19 | 中船第九设计研究院工程有限公司 | Deeply-buried pool construction method for gridded underground continuous-wall foundation pit support |
| CN107700475A (en) * | 2017-11-16 | 2018-02-16 | 浙江杰立建设集团有限公司 | A kind of assembly concrete continuous underground wall structure and construction technology |
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