CN111622572A - Circular pool wall precision control method - Google Patents
Circular pool wall precision control method Download PDFInfo
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- CN111622572A CN111622572A CN202010480401.7A CN202010480401A CN111622572A CN 111622572 A CN111622572 A CN 111622572A CN 202010480401 A CN202010480401 A CN 202010480401A CN 111622572 A CN111622572 A CN 111622572A
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- pool wall
- circular
- ring
- positioning ring
- positioning
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H7/00—Construction or assembling of bulk storage containers employing civil engineering techniques in situ or off the site
- E04H7/02—Containers for fluids or gases; Supports therefor
- E04H7/18—Containers for fluids or gases; Supports therefor mainly of concrete, e.g. reinforced concrete, or other stone-like material
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- E—FIXED CONSTRUCTIONS
- 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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/062—Forms for curved walls
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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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
- E04G17/065—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning
- E04G17/0651—One-piece elements
- E04G17/0652—One-piece elements fully recoverable
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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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/14—Bracing or strutting arrangements for formwalls; Devices for aligning forms
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to a precision control method of a circular pool wall, wherein a middle supporting upright post is vertically arranged in the middle of a pool bottom plate, and a pool wall template is connected with a positioning ring; the inside and outside of pool wall template set up interior positioning ring and outer positioning ring respectively, will fix a position ring, pool wall template and outer positioning ring with drawing the screw rod and connect, connect middle support post and pool wall location ring through connecting support piece. The positioning rings arranged on the inner side and the outer side of the pool wall template ensure the construction precision of the circular pool wall, ensure the accurate position of the pool wall template in the concrete pouring process, prevent deviation, ensure the construction quality of the circular pool wall, have simple construction method, realize the repeated use of materials, greatly save the cost and shorten the construction period. The method also omits the erection of a pool wall formwork support frame body, and greatly simplifies the field construction operation procedure.
Description
Technical Field
The invention relates to a construction method of a building with a circular pool wall, in particular to a construction precision control method of the circular pool wall.
Background
The traditional construction method of the reinforced concrete circular water tank mostly adopts double rows of support frames built inside and outside the tank wall and inclined struts arranged to control the verticality and the roundness of the tank wall, but because the support frame bodies and the inclined struts are built on site by scaffold steel pipes, the quality of the construction quality depends on the construction level of workers, the frame bodies are inevitably disturbed in the processes of reinforcing steel bar binding and template installation, particularly, the impact force when concrete is put into a mold in the concrete pouring process and the vibrating acting force of a vibrating rod can cause larger disturbance, deformation and displacement of the template and the support frame bodies, once the frame bodies generate slight deformation and displacement, the integral construction quality of the tank wall can be greatly influenced, the whole tank wall cannot be circular after being formed due to the excessive deformation and displacement, the angle difference of each part is large, and great difficulty is brought to the later equipment installation, greatly increases the treatment cost in the later period and prolongs the construction period.
Disclosure of Invention
The invention aims to provide a method for controlling the precision of a circular pool wall, so as to solve the technical problems that the precision of a circular pool wall template is difficult to control during installation and deformation and displacement occur during concrete pouring.
In order to achieve the purpose, the invention adopts the technical scheme that: a precision control method for a circular pool wall is characterized in that a middle supporting upright post is vertically arranged in the middle of a pool bottom plate, and a pool wall template is connected with a positioning circular ring; the inside and outside of pool wall template set up interior positioning ring and outer positioning ring respectively, will fix a position ring, pool wall template and outer positioning ring with drawing the screw rod and connect, connect middle support post and pool wall location ring through connecting support piece.
Further, the method described above comprises:
step one, mounting a middle supporting upright post
The middle supporting upright post comprises a base, a central supporting steel pipe and a circular ring structure supporting piece, a bottom plate is embedded in the middle of the bottom plate of the water pool, the mounting position of the central supporting steel pipe is accurately marked on the base, then the central supporting steel pipe is vertically welded and fixed on the upper surface of the bottom plate, and the circular ring structure supporting piece is arranged on the outer surface of the circumference of the central supporting steel pipe;
step two, installing a positioning ring
A plurality of layers of inner positioning circular rings and outer positioning circular rings are arranged at intervals and in parallel along the height direction of the pool wall;
after the binding of the reinforcing steel bars on the tank wall is finished, connecting support pieces in a ring structure and positioning rings in the tank wall are radially connected on each layer through a plurality of uniformly arranged connecting support pieces;
the outer positioning ring of installation when the pool wall template is consolidated, the installation is gone on from the bottom up successive layer, and every outer positioning ring elevation should be unanimous with each inside positioning ring elevation of pool wall in each layer, makes the counter-pull screw rod of each layer positioning ring department pass and fasten from the middle of each layer positioning ring and pool wall template.
And further, in the second step, the channel steel supporting legs are fixedly connected between the upper layer connecting supporting piece and the lower layer connecting supporting piece.
Furthermore, the positioning circular ring comprises two annular channel steel which are concentrically arranged, and a steel plate is connected between the two annular channel steel at intervals.
Furthermore, the counter-pulling screw rod adopted in the second step is a water stopping screw rod, and the middle part of the counter-pulling screw rod is provided with a water stopping steel plate.
Furthermore, the positioning circular ring is formed by welding a plurality of prefabricated arc-shaped groove steels into a whole.
Furthermore, an inner positioning ring and an outer positioning ring are arranged at intervals of 1500mm along the height direction of the pool wall.
Compared with the prior art, the invention adopts the positioning rings arranged on the inner side and the outer side of the pool wall template to ensure the construction precision of the circular pool wall, ensures the accurate position of the pool wall template in the concrete pouring process, prevents deviation, ensures the construction quality of the circular pool wall, has simple construction method, can realize the repeated use of materials, greatly saves the cost and shortens the construction period.
After concrete pouring is finished, the accuracy error of the measured pool wall meets the standard requirement, and the problems that the construction error of the pool wall is large and equipment cannot be installed in the later equipment installation process are greatly avoided.
The method of the invention also saves the erection of the pool wall template support frame body, greatly simplifies the field construction operation procedure and reduces the requirements for constructors. The circular pool can be used in a turnover way in a project with a plurality of circular pools.
Drawings
FIG. 1 is a schematic view of the construction of the present invention.
Fig. 2 is a schematic structural view of the intermediate support column.
Fig. 3 is a sectional view taken along line a-a in fig. 2.
Figure 4 is a plan view of the positioning cylinder within the wall of the tank.
Fig. 5 is a sectional view taken along line B-B in fig. 4.
Fig. 6 is a cross-sectional view taken along line C-C in fig. 4.
Fig. 7 is a structural schematic diagram of the positioning ring reinforcing template.
In the figure, 1-middle supporting upright posts, 2-inner positioning circular rings, 3-outer positioning circular rings, 4-pool wall templates, 5-split screws, 6-connecting supporting pieces, 7-channel steel supporting legs, 8-to-be-built pool walls, 9-square wood, 10-water stop steel sheets, 11-conical plastic plugs, 101-bases, 102-center supporting steel pipes and 103-circular ring structure supporting pieces.
Detailed Description
The invention provides a typical embodiment for a circular pool wall precision control method, which is characterized in that a middle supporting upright post 1 is vertically arranged in the middle of a pool bottom plate, and a pool wall template 4 is connected with a positioning ring; the inside and outside of pool wall template 4 set up interior positioning ring 2 and outer positioning ring 3 respectively, connect interior positioning ring 2, pool wall template 4 and outer positioning ring 3 with split screw 5, connect middle support column 1 and pool wall interior positioning ring 2 through connecting support piece 6.
In this embodiment, the middle support column 1 is used as a core member, and mainly functions to ensure accurate positioning and support the fixed positioning ring during construction. The function of location ring mainly is to ensure the construction precision of circular pond pool wall 8, guarantees that the position of pool wall template is accurate at concrete placement in-process, prevents the skew. By adopting the method, the problems that the precision of the formwork 4 and the support of the pool wall is difficult to control during installation, the deformation, the displacement and the like during the concrete pouring process can be solved, and the construction quality of the circular pool wall is ensured.
In a relatively specific embodiment, the circular pool wall accuracy control method comprises the following steps:
step one, mounting the middle supporting upright post 1
The middle supporting upright column comprises a base 101, a center supporting steel pipe 102 and a circular ring structure supporting piece 103, the base 101 is embedded in the middle of the bottom plate of the water pool, the installation position of the center supporting steel pipe 102 is accurately marked on the base 101, then the center supporting steel pipe 102 is vertically welded and fixed on the upper surface of the base 101, and the circular ring structure supporting piece 103 is arranged on the outer circumferential surface of the center supporting steel pipe 102.
Step two, installing a positioning ring
The inner positioning rings 2 and the outer positioning rings 3 are arranged in multiple layers at intervals and in parallel along the height direction of the pool wall so as to further prevent the offset of the pool wall formwork in the concrete pouring process.
After the completion of pool wall reinforcement, all be radial connection ring structure support piece 103 and the interior positioning ring 2 of pool wall through a plurality of evenly arranged's connection support piece 6 on every layer, improve overall structure's stability and prevent to fix a position the ring skew.
Install outer location ring 3 when the pool wall template is consolidated, the installation is gone on from the bottom up successive layer, and 3 elevation of every layer outer location ring is unanimous with 2 elevations of each layer inner location ring in the pool wall, makes the split screw 5 of each layer location ring department pass and fasten from the middle of each layer location ring and pool wall template 4. Preferably, the adopted counter-pulling screw 6 is a counter-pulling water-stopping screw, the middle part of the counter-pulling screw is provided with a water-stopping steel plate 10, and a conical plastic plug 11 is arranged at the intersection of the counter-pulling screw 5 and the inner side of the pool wall formwork.
In a preferred embodiment, in the second step, the channel steel leg 7 is fixedly connected between the upper layer connecting support 6 and the lower layer connecting support 6. The channel steel supporting legs 7 are used as reinforcing supporting pieces and mainly used for supporting and fixing the positioning circular rings and preventing the deformation of the positioning circular rings.
The technical solution and the technical effects claimed by the present invention will be further explained by the following specific examples.
Manufacturing and mounting of central support upright post
As shown in fig. 1 and 2, the intermediate support column includes a base 101, a central support steel tube 102, and a circular ring structural support 103. Base 101 adopts pre-buried form, and with base 101 pre-buried at the bottom plate center during construction of pool wall bottom plate, base 101 elevation and bottom plate parallel and level adopt material Q345B, the steel sheet preparation of thick 30 mm. The center support steel pipe 102 is made of a seamless steel pipe with phi 219 x 6mm, the material is Q345B, the height is 5.1m, an annular supporting plate is welded on the center support steel pipe 102 at the position 500mm, 2000mm, 3500mm and 5000mm away from the bottom end to serve as a circular ring structure supporting piece to support, fix and position a circular ring, and the circular ring structure supporting piece 103 is made of a steel plate with the thickness of 20mm and the material Q345B.
When the center support steel pipe is installed, firstly, measurement setting-out is carried out according to the measurement datum point, the installation position of the center support steel pipe 102 is accurately marked on the embedded base 101, then, the center support steel pipe 102 is welded and fixed on the base 101, the center support steel pipe 102 is ensured to be accurately in place during installation, the verticality meets the requirement, and finally, reinforcing rib plates are welded to complete installation of the center support steel pipe.
(II) manufacturing and mounting of positioning ring
Each set of positioning ring is composed of two sets of channel steel rings inside and outside the pool wall, namely the inner positioning ring 2 is a set of channel steel rings, and the outer positioning ring 3 is a set of channel steel rings. Each group of channel steel circular rings consists of two single channel steel circular rings. The positioning circular ring is made of No. 10 channel steel and is made of Q345B, the radius of the positioning circular ring is determined according to the diameter of a round concrete pool to be built and the thickness of a template and a support in formwork supporting, the required number of the channel steel and the radian of each channel steel to be processed are accurately calculated, then the channel steel is processed into required arc-shaped channel steel, and numbering is carried out according to the assembling position.
And (3) installing a positioning ring in the pool wall: and the positioning ring is bound on the reinforcing steel bars on the pool wall when being assembled on site, and the binding is carried out after the acceptance is qualified. Firstly, according to the number of each channel steel during processing, the arc-shaped channel steel is respectively assembled and welded into a whole, steel plates of 100X 14 are clamped and welded between two circular rings of each group of channel steel, the distance is 5m, and the positioning circular rings are assembled and welded into a positioning circular ring group. Every group location ring uses the true north to be 0 in the pool wall, respectively at 0 °, 45 °, 90 °, 135 °, 180 °, 225 °, 270 °, 315 ° position adopt 10# channel steel to support as supporting connector 6 and central support post 1 welding and form wholly, and support steel pipe 102 about 14m department at a distance from the center and add and establish 10# channel steel landing leg 7, channel steel landing leg from the bottom up sets up in succession to prevent location ring offset.
Installing a positioning ring outside the pool wall: the outer positioning ring 3 of the pool wall is installed on the template of the pool wall for reinforcement, the outer template of the pool wall, a support and a water stopping screw rod are installed in place, the installation is carried out layer by layer from bottom to top, the elevation of the outer positioning ring 3 of each layer is consistent with the elevation of the positioning ring of each layer in the pool wall, so that the water stopping screw rod at the positioning ring of each layer passes through the middle of each group of positioning rings, and finally, the whole template reinforcement is carried out by adopting double butterfly clamps and double nuts.
The interval between each layer of positioning circular rings is about 1.5 meters, for example, the positioning circular rings are respectively arranged at the positions 500mm, 2000mm, 3500mm and 5000mm away from the bottom of the pool during the construction of the pool wall, and the pool wall is integrally cast and molded at one time. In order to prevent the formwork support of the pool wall from slightly deforming during concrete pouring, two energy-saving counter-pulling water-stopping screw rods are additionally arranged between the positioning circular rings of each layer, the inside and the outside of the pool wall are integrally processed into a circular shape by adopting a steel bar with the diameter of 25mm according to the manufacturing mode of the positioning circular rings, and then the whole formwork is reinforced by adopting double butterfly clamps and double nuts.
In the embodiment, the components can be dismantled on site after being used, and the materials can be used as the manufacturing materials of the later-stage steel ladder and the later-stage platform for secondary use after being trimmed, so that the value of the materials is exerted to the maximum extent, and the materials are recycled.
Claims (7)
1. A circular pool wall precision control method is characterized in that: a middle supporting upright post is vertically arranged in the middle of the bottom plate of the water pool, and a pool wall template is connected with a positioning ring; the inside and outside of pool wall template set up interior positioning ring and outer positioning ring respectively, will fix a position ring, pool wall template and outer positioning ring with drawing the screw rod and connect, connect middle support post and pool wall location ring through connecting support piece.
2. The circular pool wall accuracy control method of claim 1, comprising:
step one, mounting a middle supporting upright post
The middle supporting upright post comprises a base, a central supporting steel pipe and a circular ring structure supporting piece, a bottom plate is embedded in the middle of the bottom plate of the water pool, the mounting position of the central supporting steel pipe is accurately marked on the base, then the central supporting steel pipe is vertically welded and fixed on the upper surface of the bottom plate, and the circular ring structure supporting piece is arranged on the outer surface of the circumference of the central supporting steel pipe;
step two, installing a positioning ring
A plurality of layers of inner positioning circular rings and outer positioning circular rings are arranged at intervals and in parallel along the height direction of the pool wall;
after the binding of the reinforcing steel bars on the tank wall is finished, connecting support pieces in a ring structure and positioning rings in the tank wall are radially connected on each layer through a plurality of uniformly arranged connecting support pieces;
the outer positioning ring of installation when the pool wall template is consolidated, the installation is gone on from the bottom up successive layer, and every outer positioning ring elevation should be unanimous with each inside positioning ring elevation of pool wall in each layer, makes the counter-pull screw rod of each layer positioning ring department pass and fasten from the middle of each layer positioning ring and pool wall template.
3. The circular pool wall accuracy control method of claim 2, wherein: and in the second step, the channel steel supporting legs are fixedly connected between the upper layer and the lower layer which are connected with the supporting pieces.
4. The circular pool wall accuracy control method of claim 3, wherein: the positioning circular ring comprises two annular channel steels which are concentrically arranged, and steel plates are connected between the two annular channel steels at intervals.
5. The circular pool wall accuracy control method of claim 4, wherein: the counter-pulling screw rod adopted in the second step is a water stopping screw rod, and the middle part of the counter-pulling screw rod is provided with a water stopping steel plate.
6. The circular pool wall accuracy control method according to any one of claims 1 to 5, wherein: the positioning circular ring is formed by welding a plurality of prefabricated arc-shaped groove steels into a whole.
7. The circular pool wall accuracy control method of claim 6, wherein: and in the second step, an inner positioning ring and an outer positioning ring are arranged at intervals of 1500mm along the height direction of the pool wall.
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CN202010480401.7A CN111622572A (en) | 2020-05-30 | 2020-05-30 | Circular pool wall precision control method |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103321421A (en) * | 2013-06-28 | 2013-09-25 | 河北省第二建筑工程公司 | Construction method for one-time formation of concrete pool wall |
CN203430040U (en) * | 2013-07-17 | 2014-02-12 | 中铁四局集团第三建设有限公司 | Fixing device for water-stop steel plate of concrete pool wall hanging mould |
CN103821364A (en) * | 2014-02-24 | 2014-05-28 | 中国化学工程第十四建设有限公司 | Method for constructing reinforced concrete pond |
CN205742505U (en) * | 2016-06-30 | 2016-11-30 | 青建国际集团有限公司 | A kind of superelevation variable cross-section cistern pool wall |
CN207847082U (en) * | 2018-01-08 | 2018-09-11 | 广东华坤建设集团有限公司 | A kind of concrete pool wall haunch formwork harden structure |
CN108978718A (en) * | 2018-07-23 | 2018-12-11 | 中国水利水电第五工程局有限公司 | A kind of inspection shaft gang form |
-
2020
- 2020-05-30 CN CN202010480401.7A patent/CN111622572A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103321421A (en) * | 2013-06-28 | 2013-09-25 | 河北省第二建筑工程公司 | Construction method for one-time formation of concrete pool wall |
CN203430040U (en) * | 2013-07-17 | 2014-02-12 | 中铁四局集团第三建设有限公司 | Fixing device for water-stop steel plate of concrete pool wall hanging mould |
CN103821364A (en) * | 2014-02-24 | 2014-05-28 | 中国化学工程第十四建设有限公司 | Method for constructing reinforced concrete pond |
CN205742505U (en) * | 2016-06-30 | 2016-11-30 | 青建国际集团有限公司 | A kind of superelevation variable cross-section cistern pool wall |
CN207847082U (en) * | 2018-01-08 | 2018-09-11 | 广东华坤建设集团有限公司 | A kind of concrete pool wall haunch formwork harden structure |
CN108978718A (en) * | 2018-07-23 | 2018-12-11 | 中国水利水电第五工程局有限公司 | A kind of inspection shaft gang form |
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