CN110725595A - Pool wall prefabricated block splicing structure suitable for static pressure assembly type pool and construction method - Google Patents
Pool wall prefabricated block splicing structure suitable for static pressure assembly type pool and construction method Download PDFInfo
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- CN110725595A CN110725595A CN201910914309.4A CN201910914309A CN110725595A CN 110725595 A CN110725595 A CN 110725595A CN 201910914309 A CN201910914309 A CN 201910914309A CN 110725595 A CN110725595 A CN 110725595A
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- pool
- block
- static pressure
- precast
- blocks
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H7/00—Construction or assembling of bulk storage containers employing civil engineering techniques in situ or off the site
- E04H7/02—Containers for fluids or gases; Supports therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H7/00—Construction or assembling of bulk storage containers employing civil engineering techniques in situ or off the site
- E04H7/02—Containers for fluids or gases; Supports therefor
- E04H7/18—Containers for fluids or gases; Supports therefor mainly of concrete, e.g. reinforced concrete, or other stone-like material
Abstract
The invention discloses a splicing structure of prefabricated blocks of a pool wall suitable for a static pressure assembly type pool and a construction method thereof. The construction method comprises the following steps: determining the size and the number of the precast blocks according to the size of the water pool; manufacturing a precast block, pressing the precast block into a soil body, and butting reinforcing steel bars; and pouring concrete to form a cast-in-place block. The prefabricated block and the cast-in-place block are assembled to form the pool wall, and the prefabricated structure and the cast-in-place structure are combined, so that the seepage-proofing performance of the pool wall is improved, and the integral rigidity of the structure is guaranteed.
Description
Technical Field
The invention relates to an assembled water tank structure, in particular to a tank wall prefabricated block splicing structure suitable for a static pressure assembled water tank and a construction method.
Background
The traditional assembled prestressed concrete pool is divided into a round pool and a rectangular pool. The circular pool is hooped by high-strength steel wires in a winding manner and prestress is applied, and the integrity of the pool is ensured by four-corner cast-in-place concrete wall plates and a steel bar structure between seams of the prefabricated wall plates for the rectangular pool. The static pressure assembly type pool is different from a traditional pool, is a pool built by adopting a static pressure technology, can greatly reduce the cost of foundation pit excavation and support, and simultaneously improves the frictional resistance of the side wall of the pool to reduce the investment of anti-floating measures, but the existing matched construction process and structural design are still not mature.
In addition, the static pressure assembly type pool adopts a press-in process flow in the construction process, instead of large-excavation open-air cast-in-place construction, but the splicing strength of the existing splicing structure of the static pressure assembly type pool under the semi-concealed engineering construction condition is lower, and the leakage problem is serious.
Therefore, it is desired to solve the above problems.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide a pool wall precast block splicing structure suitable for a static pressure assembly type pool, which solves the problems of splicing strength and seepage prevention of the static pressure assembly type pool precast block under the semi-concealed engineering construction condition, and solves the problems that the static pressure assembly type pool needs to utilize the outer side of the pool to retain soil, exposed reinforcing steel bars of the pool wall precast block are easy to bend and the like before static pressure construction.
The second purpose of the invention is to provide a construction method of the pool wall precast block splicing structure suitable for the static pressure fabricated water pool.
The technical scheme is as follows: in order to realize the purpose, the invention discloses a pool wall prefabricated block splicing structure suitable for a static pressure assembly type pool, which is characterized in that: including assembling the prefabricated section that forms the pool wall along circumference, pass the prefabricated section and follow the reinforcing bar that the prefabricated section circumference tip stretches out, be located the spliced block that prefabricated section circumference tip formed the pool outer wall and be located the fender soil block of prefabricated section bottom, spliced block and fender soil block enclose and enclose the spread groove that is used for circumference to assemble, and when this prefabricated section was assembled along circumference, two-phase relative reinforcing bar linked firmly each other in the spread groove of adjacent prefabricated section to pack the concrete in the spread groove and form cast-in-place block. The prefabricated block and the cast-in-place block are assembled to form the pool wall, and the prefabricated structure and the cast-in-place structure are combined, so that the seepage-proofing performance of the pool wall is improved, and the integral rigidity of the structure is guaranteed; the soil retaining block is additionally arranged at the bottom of the precast block to prevent the exposed reinforcing steel bars at the upper part from being bent, the splicing block is arranged at the end part of the precast block, and soil residues are prevented from falling into the connecting groove of the precast block in the construction process by utilizing the splicing block for retaining soil; the prefabricated blocks are provided with the reinforcing steel bars in a penetrating mode, and the reinforcing steel bars on two adjacent prefabricated blocks are in butt joint through welding or staggered joints of threaded sleeves, so that the tensile property and the bending resistance of a splicing structure can be guaranteed, and the effects of guaranteeing the butt joint quality and the pouring quality are achieved.
Wherein, two relative reinforcing bars pass through the welding and interconnect firmly.
Preferably, the two opposite steel bars are fixedly connected with each other through a threaded sleeve joint, and the type of the threaded sleeve is determined by the type of the selected steel bar.
Furthermore, the bottom of the precast block is provided with a lower pressing block with an inclined edge shape. The lower pressing block is designed into an inclined blade angle shape, so that the precast blocks are pressed into a soil body during static pressure construction, and meanwhile, the splicing strength among the precast blocks is increased by using the foundation reaction force.
Furthermore, a hole for the steel bar to penetrate through is reserved on the precast block.
Preferably, when the precast blocks are assembled along the circumferential direction, roughening treatment is carried out on contact end faces of adjacent splicing blocks, and a grouting hose is arranged at a joint formed by the adjacent contact end faces. The contact end surface of the invention is chiseled and the joints of the precast blocks are grouted by plastic hoses, thus further improving the seepage-proofing performance of the pool wall of the water pool.
Furthermore, the prefabricated sections include straight-plate-shaped prefabricated sections constituting the wall of the pool and right-angle-shaped prefabricated sections constituting the corners of the pool.
Further, the length L1 of the pool is more than or equal to 6m, the width W1 is more than or equal to 6m, the height H1 is more than or equal to 2m, the thickness T is 0.3-0.4 m, the length L2 of the cast-in-place block is 0.3-0.4 m, the width W2 is 0.15-0.25 m, and the height H2 is 0.1-0.2 m shorter than the height H1 of the pool. The invention reasonably optimizes the sizes of the precast blocks and the cast-in-place blocks, ensures the effective size of the splicing blocks to realize the soil retaining function required by the static pressure assembly type pool, ensures the effective size of the soil retaining blocks to realize the function of preventing the reinforcing steel bars from being bent, and also ensures the effective size of the cast-in-place blocks to fully play the functions of tensile resistance, bending resistance and seepage prevention of the cast-in-place section.
Preferably, the thickness T of the pool wall of the pool is 0.1-0.15 times of the length L of the precast block.
The invention relates to a construction method of a pool wall prefabricated block splicing structure suitable for a static pressure assembly type pool, which comprises the following steps:
(1) determining the size and the number of the precast blocks according to the size of the water pool;
(2) 4 right-angle precast blocks and a plurality of straight plate precast blocks which form the pool wall structure are manufactured, holes for steel bars to penetrate and grouting pipelines are reserved, and the steel bars are inserted to complete prefabrication;
(3) hoisting the precast blocks to a construction site, completing static pressure construction by adopting a static pressure mechanical device, and pressing the precast blocks into a soil body in a sequence from right to left;
(4) removing soil in the connecting grooves of the prefabricated blocks to be spliced;
(5) butt-jointing two opposite steel bars by welding or staggered joints of threaded sleeve joints, and arranging a grouting hose at a joint formed by adjacent contact end surfaces for grouting;
(6) and after the template for pouring is installed, pouring concrete into the connecting groove of the prefabricated block to complete the construction of the cast-in-place block, and forming the static pressure assembly type pool wall after the concrete is solidified.
Has the advantages that: compared with the prior art, the invention has the following remarkable advantages:
(1) the prefabricated block and the cast-in-place block are assembled to form the pool wall, and the prefabricated structure and the cast-in-place structure are combined, so that the seepage-proofing performance of the pool wall is improved, and the integral rigidity of the structure is guaranteed;
(2) the soil retaining block is additionally arranged at the bottom of the precast block to prevent the exposed reinforcing steel bars at the upper part from being bent, the splicing block is arranged at the end part of the precast block, and soil residues are prevented from falling into the connecting groove of the precast block in the construction process by utilizing the splicing block for retaining soil;
(3) the prefabricated blocks are provided with the steel bars in a penetrating way, and the steel bars on two adjacent prefabricated blocks are butted by welding or staggered joints of threaded sleeves, so that the tensile property and the bending resistance of a splicing structure can be ensured, and the effects of ensuring the butting quality and the pouring quality are achieved;
(4) the lower pressing block is designed into an inclined blade angle shape, so that the prefabricated blocks are pressed into a soil body during static pressure construction, and meanwhile, the splicing strength among the prefabricated blocks is increased by using the foundation reaction force;
(5) the sizes of the prefabricated blocks and the cast-in-place blocks are reasonably optimized, so that the effective sizes of the splicing blocks are ensured to realize the soil retaining function required by the static pressure assembly type pool, the effective sizes of the soil retaining blocks are ensured to realize the function of preventing the reinforcing steel bars from being bent, and the effective sizes of the cast-in-place blocks are also ensured to fully play the functions of tensile resistance, bending resistance and seepage prevention of the cast-in-place section;
(6) the contact end surface of the invention is chiseled and the joints of the precast blocks are grouted by plastic hoses, thus further improving the seepage-proofing performance of the pool wall of the water pool;
(7) the invention has ingenious structural design, can realize large-size prefabrication, simplifies the construction process and simultaneously reduces the requirement on hoisting machinery.
Drawings
FIG. 1 is a sectional view of the prefabricated section of the present invention in a state of connection;
FIG. 2 is a perspective view showing a state where prefabricated blocks according to the present invention are connected;
FIG. 3 is an enlarged schematic view at A in FIG. 1;
FIG. 4 is an enlarged view of FIG. 2 at B;
FIG. 5 is a perspective view of the prefabricated section at the corner of the water tank of the present invention in a connected state;
FIG. 6 is a schematic view of the structure of the pool of the present invention.
Detailed Description
The technical scheme of the invention is further explained by combining the attached drawings.
As shown in figure 1, the pool wall precast block splicing structure suitable for the static pressure assembly type pool comprises a precast block 1, a reinforcing steel bar 2 and a cast-in-place block 6. As shown in FIG. 6, the length L1 of the static pressure assembly type water pool 10 is more than or equal to 6m, the width W1 is more than or equal to 6m, the height H1 is more than or equal to 2m, and the thickness T is 0.3-0.4 m.
As shown in fig. 1 and 2, the prefabricated block 1 of the present invention includes a straight plate-shaped prefabricated block constituting a wall of a pool of the water pool and a right-angle-shaped prefabricated block constituting a corner of the pool. The prefabricated section 1 is assembled along circumference and is formed the pool wall, and the circumference tip of prefabricated section 1 has splice block 3, and the bottom of prefabricated section has soil block 4, and splice block 3 and soil block 4 enclose into the spread groove 5 that is used for circumference to assemble, reserve the hole and the grout pipeline that can supply the reinforcing bar to penetrate on the prefabricated section 1, and inside reinforcing bar 2 passed the prefabricated section and stretched into spread groove 5, stretched out the length looks adaptation of reinforcing bar length and spread groove. When the precast blocks are assembled in the circumferential direction, two opposite steel bars in connecting grooves of adjacent precast blocks are fixedly connected with each other, concrete is filled in the connecting grooves to form a cast-in-place block 6, simultaneously, roughening treatment is carried out on contact end surfaces of the adjacent splicing blocks 3, and grouting hoses are arranged at seams formed by the adjacent contact end surfaces; wherein two relative reinforcing bars 2 link firmly each other through welding 7, perhaps two relative reinforcing bars 2 link firmly each other through threaded sleeve joint 8, and the threaded sleeve model is confirmed by the reinforcing bar model of selecting. The bottom of the precast block 1 is provided with a lower pressing block 9 with an inclined blade angle shape, and the lower pressing block is designed into the inclined blade angle shape, so that the precast block is pressed into a soil body during static pressure construction, and meanwhile, the splicing strength among the precast blocks is increased by using the foundation reaction force.
The precast block 1, the splice block 3, the retaining block 4 and the lower pressing block 9 are of an integral structure with a T-shaped cross section, and are precast according to the size of a pool before construction, wherein the length L2 of the cast-in-place block 6 is 0.3-0.4 m, the width W2 is 0.15-0.25 m, the height H2 is 0.1-0.2 m shorter than the height H1 of the pool, and the thickness T of the pool wall of the pool is 0.1-0.15 times of the length L of the precast block. The long cast-in-place block can cause the long length of the steel bar matched with the cast-in-place block to be bent to influence the normal use, the short length can cause the insufficient size of the cast-in-place block to ensure the strength and the seepage-proofing performance of the structure, the thick cast-in-place block can cause the outer wall of the splicing block to lose the soil-retaining function, and the thin cast-in-place block can cause the insufficient size of the cast-in-place block to ensure the strength and the seepage-proofing performance of the structure.
The invention relates to a construction method of a pool wall prefabricated block splicing structure suitable for a static pressure assembly type pool, which comprises the following steps:
(1) determining the size and the number of the precast blocks according to the size of the water pool;
(2) 4 right-angle precast blocks and a plurality of straight-plate precast blocks which form the pool wall structure are manufactured, holes for steel bars to penetrate and grouting pipelines are reserved, and the steel bars are inserted to complete prefabrication;
(3) hoisting the precast block to a construction site, completing static pressure construction by adopting a static pressure mechanical device, and pressing the precast block into a soil body;
(4) removing soil in the connecting grooves of the prefabricated blocks to be spliced;
(5) the outer walls of the splicing blocks and the precast blocks are used for retaining soil, soil in a connecting groove is dug out after static pressure is finished, two opposite reinforcing steel bars are butted by adopting welding or staggered joints of threaded sleeve joints, and grouting hoses are arranged at seams formed by adjacent contact end surfaces for grouting;
(6) after a formwork for pouring is installed, concrete is poured into the connecting grooves of the prefabricated blocks, construction of cast-in-place blocks is completed, and after the concrete is solidified, a static pressure assembly type pool wall is formed, wherein the shortest time for concrete stirring is 90 seconds, and the concrete can be vibrated by adopting an insertion vibrator, and if the pool size is large, the concrete needs to be poured in different layers in different blocks, and the pouring of the next layer of concrete is completed before the initial setting of the previous layer of concrete.
Example 1
The hydrostatic assembly basin 10 has a length L1 of 6m, a width W1 of 6m, a height H1 of 2m, and a thickness T of 0.3 m. The length L2 of cast-in-place block 6 is 0.3m, the width W2 is 0.15m, the height H2 is 1.8m, and the length L of cast-in-place block is 3 m.
Example 2
The hydrostatic assembly basin 10 has a length L1 of 8m, a width W1 of 8m, a height H1 of 2.5m, and a thickness T of 0.4 m. Wherein the length L2 of cast-in-place block 6 is 0.4m, the width W2 is 0.25m, the height H2 is 2.4m, and the length L of precast block is 3 m.
Example 3
The hydrostatic assembly basin 10 has a length L1 of 7m, a width W1 of 7m, a height H1 of 2m, and a thickness T of 0.35 m. Wherein the length L2 of cast-in-place block 6 is 0.35m, the width W2 is 0.2m, the height H2 is 1.9m, and the length L of precast block is 3 m.
Claims (10)
1. The utility model provides a pool wall prefabricated section mosaic structure suitable for static pressure assembled pond which characterized in that: including assembling prefabricated section (1) that forms the pool wall along circumference, passing the prefabricated section and from reinforcing bar (2) that prefabricated section circumference tip stretches out, splice block (3) that are located prefabricated section circumference tip formation pool outer wall and the fender piece (4) that are located the prefabricated section bottom, splice block (3) and fender piece (4) enclose into spread groove (5) that are used for circumference to assemble, when this prefabricated section was assembled along circumference, two-phase relative reinforcing bar linked firmly each other in the spread groove of adjacent prefabricated section to pack concrete in the spread groove and form cast-in-place block (6).
2. The pool wall precast block splicing structure suitable for the static pressure fabricated pool of claim 1, wherein: the two opposite steel bars (2) are fixedly connected with each other through welding (7).
3. The pool wall precast block splicing structure suitable for the static pressure fabricated pool of claim 1, wherein: the two opposite steel bars (2) are fixedly connected with each other through a threaded sleeve joint (8).
4. The pool wall precast block splicing structure suitable for the static pressure fabricated pool of claim 1, wherein: the bottom of the precast block (1) is provided with a lower pressing block (9) with an inclined edge angle shape.
5. The pool wall precast block splicing structure suitable for the static pressure fabricated pool of claim 1, wherein: holes for steel bars to penetrate are reserved in the precast blocks (1).
6. The pool wall precast block splicing structure suitable for the static pressure fabricated pool of claim 1, wherein: when the precast blocks (1) are assembled along the circumferential direction, chiseling treatment is carried out on the contact end surfaces of the adjacent splicing blocks (3), and grouting hoses are arranged at joints formed by the adjacent contact end surfaces.
7. The pool wall precast block splicing structure suitable for the static pressure fabricated pool of claim 1, wherein: the precast block (1) comprises a straight plate-shaped precast block forming the wall of the water pool and a right-angle-shaped precast block forming the corner of the water pool.
8. The pool wall precast block splicing structure suitable for the static pressure fabricated pool of claim 1, wherein: the length L1 of the pool (10) is more than or equal to 6m, the width W1 is more than or equal to 6m, the height H1 is more than or equal to 2m, the thickness T is 0.3-0.4 m, the length L2 of the cast-in-place block (6) is 0.3-0.4 m, the width W2 is 0.15-0.25 m, and the height H2 is 0.1-0.2 m shorter than the height H1 of the pool.
9. The pool wall precast block splicing structure suitable for the static pressure fabricated pool of claim 8, wherein: the thickness T of the pool wall of the pool is 0.1-0.15 times of the length L of the prefabricated block.
10. The construction method of the splicing structure of the wall precast blocks of the static pressure fabricated water pool as claimed in any one of claims 1 to 9, comprising the steps of:
(1) determining the size and the number of the precast blocks according to the size of the water pool;
(2) 4 right-angle precast blocks and a plurality of straight plate precast blocks which form the pool wall structure are manufactured, holes for steel bars to penetrate and grouting pipelines are reserved, and the steel bars are inserted to complete prefabrication;
(3) hoisting the precast blocks to a construction site, completing static pressure construction by adopting a static pressure mechanical device, and pressing the precast blocks into a soil body in a sequence from right to left;
(4) removing soil in the connecting grooves of the prefabricated blocks to be spliced;
(5) butt-jointing two opposite steel bars by welding or staggered joints of threaded sleeve joints, and arranging a grouting hose at a joint formed by adjacent contact end surfaces for grouting;
(6) and after the template for pouring is installed, pouring concrete into the connecting groove of the prefabricated block to complete the construction of the cast-in-place block, and forming the static pressure assembly type pool wall after the concrete is solidified.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910914309.4A CN110725595A (en) | 2019-09-25 | 2019-09-25 | Pool wall prefabricated block splicing structure suitable for static pressure assembly type pool and construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910914309.4A CN110725595A (en) | 2019-09-25 | 2019-09-25 | Pool wall prefabricated block splicing structure suitable for static pressure assembly type pool and construction method |
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| CN110725595A true CN110725595A (en) | 2020-01-24 |
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| CN201910914309.4A Pending CN110725595A (en) | 2019-09-25 | 2019-09-25 | Pool wall prefabricated block splicing structure suitable for static pressure assembly type pool and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113585336A (en) * | 2021-08-16 | 2021-11-02 | 中铁十五局集团第二工程有限公司 | Quick construction method of sinking type concrete mixing station in soft foundation environment |
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| CN107938902A (en) * | 2017-12-04 | 2018-04-20 | 宝业集团股份有限公司 | Two-way close spelling laminated floor slab connecting joint structure and installation method with groove type embedded part |
| CN207420144U (en) * | 2017-09-28 | 2018-05-29 | 江阴四方游泳康复产业股份有限公司 | Swimming pool pool wall panel |
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| EP2450503A1 (en) * | 2010-11-08 | 2012-05-09 | Lermite | Basin, in particular of a swimming-pool |
| CN202322826U (en) * | 2011-10-26 | 2012-07-11 | 董保成 | Assembling concrete anaerobic digester |
| CN204609416U (en) * | 2015-04-15 | 2015-09-02 | 李兆鹏 | A kind of reinforced concrete water pond |
| CN107859223A (en) * | 2017-09-26 | 2018-03-30 | 广东省建筑科学研究院集团股份有限公司 | A kind of novel precast floor slab and the casting method of monoblock floor is built up by it |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113585336A (en) * | 2021-08-16 | 2021-11-02 | 中铁十五局集团第二工程有限公司 | Quick construction method of sinking type concrete mixing station in soft foundation environment |
| CN113585336B (en) * | 2021-08-16 | 2023-01-31 | 中铁十五局集团第二工程有限公司 | Quick construction method of sinking type concrete mixing station in soft foundation environment |
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