CN112709156B - Bridge pier body anti-pollution system for creeping formwork construction - Google Patents

Bridge pier body anti-pollution system for creeping formwork construction Download PDF

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Publication number
CN112709156B
CN112709156B CN202110104544.2A CN202110104544A CN112709156B CN 112709156 B CN112709156 B CN 112709156B CN 202110104544 A CN202110104544 A CN 202110104544A CN 112709156 B CN112709156 B CN 112709156B
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China
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water collecting
collecting tank
water
pier body
connecting port
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CN112709156A (en
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张坤球
覃木宝
韦思
韦权
蒋昌盛
廖翼强
张文
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Guangxi Road Construction Engineering Group Co Ltd
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Guangxi Road Construction Engineering Group Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • E01D19/02Piers; Abutments ; Protecting same against drifting ice

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

An anti-pollution system for a bridge pier body for creeping formwork construction comprises a water collecting tank, a connector water collecting tank, a water collecting tank bracket, a main water pipe and a jacking device, wherein the water collecting tank bracket is fixed on a vertical rod of a creeping formwork bearing tripod; the water collecting tank is erected on the water collecting tank bracket, the water collecting tank is erected around the bridge pier body, and a plurality of connectors are reserved in the water collecting tank around the bridge pier body; two ends of the water collecting tank of the connecting port are respectively erected on the water collecting tanks at two ends of the connecting port; a water collecting basket for receiving cement slurry and curing water flowing from the connecting port is arranged at the connecting port; the bottom of the water collecting basket is communicated with a branch water pipe, the branch water pipe is communicated with a main water pipe, and the main water pipe is connected with a discharge pipe; the jacking device is arranged on the water collecting tank bracket and used for tightly pressing the water collecting tank and the connector water collecting tank against the bridge pier body, and water stop strips are arranged on the binding surfaces of the water collecting tank, the connector water collecting tank and the bridge pier body. The system is convenient to install and can effectively collect cement paste and maintenance water flowing downwards from the top of the pier.

Description

Bridge pier body anti-pollution system for creeping formwork construction
Technical Field
The invention relates to the technical field of bridge construction, in particular to a bridge pier body anti-pollution system for creeping formwork construction.
Background
Along with the rapid development of high-speed railways and highways, the number of mountainous bridges is greatly increased, high pier body bridges are more and more common, and the main construction schemes for the high pier bridge piers comprise rollover construction, creeping formwork construction and slip form construction. The climbing form is called the jumping form for short. The climbing device consists of three parts, namely a climbing template, a climbing frame (and some climbing templates do not have the climbing frame) and climbing equipment, is the same as a sliding template, is attached to a building vertical structure in the structural construction stage, ascends layer by layer along with the structural construction, and is an effective tool in constructing high-rise structures such as a shear wall system, a cylinder system, a pier and the like. Because of the self-climbing capability, the hoisting of hoisting machinery is not needed, and the hoisting workload of the transportation machinery in construction is reduced. The scaffold is hung on the self-climbing formwork, so that an external scaffold in the construction process can be omitted. In conclusion, the climbing formwork can reduce the number of hoisting machines and accelerate the construction speed, so the climbing formwork has better economic benefit.
Research shows that in the construction of the bridge pier body, the newly poured segment can generate local slurry leakage in the construction process, maintenance water spray and the like can flow downwards along the pier body to pollute the poured bridge pier body of the lower segment, so that the appearance quality of the pier body is poor, the image of an engineering entity is influenced, and negative influence is brought to a construction unit. In order to build a bridge pier body structure with internal solid and external beauty, a bridge pier body anti-pollution system suitable for creeping formwork construction is needed.
Disclosure of Invention
The invention aims to provide an anti-pollution system for a bridge pier body for creeping formwork construction, which is convenient to install, can effectively collect cement paste and maintenance water flowing downwards from the top of a pier and has good popularization and application values.
The invention is realized by adopting the following technical scheme:
an anti-pollution system for a bridge pier body for creeping formwork construction comprises a water collecting tank, a connecting port water collecting tank, a water collecting tank bracket, a main water pipe and a jacking device, wherein the water collecting tank bracket is fixed on a creeping formwork bearing tripod upright post and is firmly connected with the creeping formwork bearing tripod upright post by a bolt fastener; the water collecting tank is erected on the water collecting tank bracket, the water collecting tank is erected around the bridge pier body, and a plurality of connectors are reserved in the water collecting tank around the bridge pier body; when the connectors are erected as water collecting tanks, the water collecting tanks are not erected by one channel steel but are multiple, two adjacent channel steels are not erected in a connected mode during erection, a certain distance is reserved, the reserved distance is the connectors, and the width of each connector cannot be larger than that of each water collecting box; two ends of the water collecting tank of the connecting port are respectively erected on the water collecting tanks at two ends of the connecting port; a water collecting basket for receiving cement slurry and curing water flowing from the connecting port is arranged at the connecting port; the bottom of the water collecting basket is communicated with a branch water pipe, the branch water pipe is communicated with a main water pipe, and the main water pipe is connected with a discharge pipe used for leading the falling cement paste and the maintenance water to a wastewater collecting pool; the jacking device is arranged on the water collecting tank bracket and used for tightly pressing the water collecting tank and the connector water collecting tank against the bridge pier body, and water stop strips are arranged on the binding surfaces of the water collecting tank, the connector water collecting tank and the bridge pier body.
Preferably: the top pressing device comprises a top plate, a counter-force screw rod, a nut and a counter-force steel plate, wherein the counter-force steel plate is fixed on the water collecting tank bracket and is provided with a screw rod penetrating opening; one end of the counter-force screw is fixed on a top plate used for jacking the water collecting tank and the connector water collecting tank, the nut is installed on the counter-force screw, the other end of the counter-force screw penetrates through a screw penetrating opening in the counter-force steel plate, and the adjustment of the jacking force of the top plate is realized by adjusting the pressure between the nut and the counter-force steel plate. The jacking device can also adopt other structures, and the water collecting tank and the connecting port water collecting tank can be tightly attached to the bridge pier body by adjusting energy.
Preferably: the reaction steel plate comprises a reaction steel plate body, a screw rod penetrating opening is formed in the reaction steel plate body, and the screw rod penetrating opening is a U-shaped opening. The U-shaped opening facilitates the penetration of the counter-force screw rod. The counter-force steel plate is as the pressure adjustment seat, and after the installation, the nut on the counter-force screw rod is screwed towards the counter-force steel plate side, and the roof is pushed towards the direction of the bridge pier body, so that the water collecting tank and the connector water collecting tank are tightly attached to the bridge pier body.
Preferably: the water stop strip is good in compressibility and sealing performance. The arrangement of the water stop strips can ensure that the water collecting tank and the connector water collecting tank are tightly attached to the bridge pier body without leaving gaps, thereby playing the role of sealing and completely intercepting.
Preferably: the water collecting basket comprises buckling lugs and a water collecting box, wherein the buckling lugs are arranged above the water collecting box and used for being buckled on a water collecting groove of the connecting port, the water collecting box extends to be connected below the connecting port, a water outlet is formed in the bottom of the water collecting box, and the water outlet is communicated with a water supporting pipe.
Preferably: the water collecting tank and the connector water collecting tank are both made of channel steel. The channel-section steel is common steel, purchases the use easily, and the channel-section steel can used repeatedly as the catch basin, long service life.
This bridge pier shaft anti-pollution system of creeping formwork construction usefulness's advantage does:
1. the anti-pollution system for the bridge pier body for the formwork construction is designed and used for building a bridge pier body structure which is interior and exterior beautiful, the water collecting tank and the connector water collecting tank play a role in intercepting, cement paste and maintenance water which flow downwards from the top of the pier can be effectively collected, the lower section pier body is protected from being polluted, and the anti-pollution system has good popularization and application values.
2. This anti-pollution system of bridge pier shaft's for construction water catch bowl bracket screw rod and creeping formwork bearing tripod pole setting firm in connection, erect the water catch bowl to the water catch bowl bracket on, connector water receiving tank sets up to the water catch bowl on, the water catch bowl is as an organic whole with a water piping connection in advance, then detain the water catch bowl to connector opening department, hug closely water catch bowl and connector water catch bowl and bridge pier shaft with roof pressure device, the surface of hugging closely adds and establishes the sealing rod, high durability and convenient installation, utilize water catch bowl and connector water catch bowl to cut off and avoid grout and maintenance water to pollute down the bridge pier shaft that the lower section has been pour, the grout and the maintenance water of damming pass through the water catch bowl, a water pipe, trunk and delivery pipe combined action, collect the drainage and discharge.
Drawings
FIG. 1 is a view showing the installation relationship between the anti-pollution system for bridge pier bodies and the bridge pier bodies for creeping formwork construction;
FIG. 2 is a schematic view of the installation section of the anti-pollution system for the pier body of the bridge for creeping formwork construction;
FIG. 3 is an enlarged sectional view of the installation of FIG. 2;
FIG. 4 is a schematic right-side view of FIG. 3;
FIG. 5 is a schematic view from above of the installation of the anti-pollution system for pier body of bridge for creeping formwork construction;
FIG. 6 is an enlarged partial view of FIG. 5;
FIG. 7 is a schematic view of a structure of the sump case;
FIG. 8 is a schematic structural view of a reaction force steel plate;
the names of the sequence numbers in the figure are:
1. the water collecting basket comprises a water collecting basket body, 2 parts of water stopping strips, 3 parts of a water collecting tank, 4 parts of a connector water collecting tank, 5 parts of a top plate, 6 parts of a reaction screw rod, 7 parts of a nut, 8 parts of a reaction steel plate, 9 parts of a water collecting tank bracket, 10 parts of a branch water pipe, 11 parts of a trunk water pipe, 12 parts of a discharge pipe, 13 parts of a buckle lug, 14 parts of a water collecting box, 15 parts of a water outlet, 16 parts of a U-shaped opening, 17 parts of a reaction steel plate body.
Detailed Description
The technical solution of the present invention is described clearly and completely with reference to the following embodiments, which are only a part of the present invention, but not all of the embodiments.
Example 1
An anti-pollution system for a bridge pier body for creeping formwork construction comprises a water collecting tank 3, a connecting port water collecting tank 4, a water collecting tank bracket 9, a main water pipe 11 and a jacking device, wherein the water collecting tank bracket 9 is fixed on a creeping formwork bearing tripod upright post, and the water collecting tank bracket 9 is firmly connected with the creeping formwork bearing tripod upright post by a bolt fastener; the water collecting tank 3 is erected on the water collecting tank bracket 9, the water collecting tank 3 is erected around the bridge pier body, and a plurality of connectors are reserved on the water collecting tank 3 around the bridge pier body; two ends of the water collecting tank 4 of the connecting port are respectively erected on the water collecting tanks 3 at two ends of the connecting port; a water collecting basket 1 for receiving cement slurry and curing water flowing from the connecting port is arranged at the connecting port; the bottom of the water collecting basket 1 is communicated with a branch water pipe 10, the branch water pipe 10 is communicated with a main water pipe 11, and the main water pipe 11 is connected with a discharge pipe 12 for leading the falling cement paste and the curing water to a waste water collecting pool; the roof pressure device installation sets up and is used for compressing tightly laminating bridge pier shaft with water catch bowl 3 and connector water catch bowl 4 on water catch bowl bracket 9, all is provided with sealing rod 2 on the binding face of water catch bowl 3 and connector water catch bowl 4 and bridge pier shaft.
Example 2
An anti-pollution system for a bridge pier body for creeping formwork construction comprises a water collecting tank 3, a connecting port water collecting tank 4, a water collecting tank bracket 9, a main water pipe 11 and a jacking device, wherein the water collecting tank bracket 9 is fixed on a creeping formwork bearing tripod upright post, and the water collecting tank bracket 9 is firmly connected with the creeping formwork bearing tripod upright post by a bolt fastener; the water collecting tank 3 is erected on the water collecting tank bracket 9, the water collecting tank 3 is erected around the bridge pier body, and a plurality of connectors are reserved on the water collecting tank 3 around the bridge pier body; two ends of the water collecting tank 4 of the connecting port are respectively erected on the water collecting tanks 3 at two ends of the connecting port; the water collecting tank 3 and the connecting port water collecting tank 4 are both made of channel steel. A water collecting basket 1 for receiving cement slurry and curing water flowing from the connecting port is arranged at the connecting port; the bottom of the water collecting basket 1 is communicated with a branch water pipe 10, the branch water pipe 10 is communicated with a main water pipe 11, and the main water pipe 11 is connected with a discharge pipe 12 for leading the falling cement paste and the curing water to a waste water collecting pool; roof pressure device installation sets up and is used for compressing tightly laminating bridge pier shaft with water catch bowl 3 and connector water catch bowl 4 on water catch bowl bracket 9, all is provided with sealing rod 2 on the binding face of water catch bowl 3 and connector water catch bowl 4 and bridge pier shaft, sealing rod 2 be the good sealing rod of compressibility, leakproofness.
The top pressing device comprises a top plate 5, a reaction screw 6, a nut 7 and a reaction steel plate 8, wherein the reaction steel plate 8 is fixed on a water collecting tank bracket 9, and a screw penetrating opening is formed in the reaction steel plate 8; one end of the counter-force screw 6 is fixed on a top plate 5 used for jacking the water collecting tank 3 and the connector water collecting tank 4, the nut 7 is installed on the counter-force screw 6, the other end of the counter-force screw 6 penetrates through a screw penetrating opening in the counter-force steel plate 8, and the jacking force of the top plate 5 is adjusted by adjusting the pressure between the nut 7 and the counter-force steel plate 8. The reaction steel plate 8 comprises a reaction steel plate body 17, a screw rod penetrating opening is formed in the reaction steel plate body 17, and the screw rod penetrating opening is a U-shaped opening 16.
The water collecting basket 1 comprises a buckling lug 13 and a water collecting box 14, the buckling lug 13 is arranged above the water collecting box 14, the buckling lug 13 is used for being buckled on the water collecting groove 4 of the connecting port, the water collecting box 14 extends below the connecting port, a water outlet 15 is arranged at the bottom of the water collecting box 14, and the water outlet 15 is communicated with the branch water pipe 10.
The installation and construction engineering of the bridge pier body anti-pollution system for creeping formwork construction is as follows: designing and processing a water collecting tank 3 and a connecting port water collecting tank 4 according to the plane arrangement and the pier body size of a bridge pier body creeping formwork, after the bridge pier body creeping formwork is installed, firstly installing a water collecting tank bracket 9 at the corresponding position of a creeping formwork bearing tripod upright post, firmly connecting the water collecting tank bracket 9 with the creeping formwork bearing tripod upright post by a screw rod, erecting the water collecting tank 3 on the water collecting tank bracket 9, clamping a counter-force screw rod 6 with a nut 7 into a U-shaped opening 16 of a counter-force steel plate 17, propping the water collecting tank 3 and the connecting port water collecting tank 4 by a top plate 5, then erecting the connecting port water collecting tank 4 on the water collecting tank 3, connecting the water collecting basket 1 with a branch water pipe 10 into a whole in advance, then buckling the water collecting basket 1 at a connecting opening, enclosing a trunk water pipe 11 for a circle, leading a discharge pipe 12 to the waste water collecting tank along a safe ladder after the bridge pier body creeping formwork is closed, inserting the branch water pipe 10 into a reserved joint of the trunk water pipe 11, and (3) screwing the nut 7 after the whole body is positioned, and further jacking the water collecting tank 3 and the connector water collecting tank 4 by the top plate 5, so that the water stop strip 2 is tightly attached to the bridge pier body. After the system is installed, the upper bridge pier body can be operated and constructed, the water collecting tank 3 plays a role in intercepting, the cement paste and the maintenance water which flow downwards fall into the water collecting tank 3 and the connector water collecting tank 4, then fall into the water collecting box 14 of the water collecting basket 1 from the connector, then enter the branch water pipe 10 from the water outlet 15 of the water collecting box 14, finally flow into the main water pipe 11 and are guided and discharged by the discharge pipe 12, and the lower bridge pier body is protected from being polluted. Before climbing to next segment, creeping formwork system loosens with reaction screw 6 earlier, and water catch bowl 3 outwards removes, can promote creeping formwork system after having certain interval with the pier shaft.
The above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should understand that they can make various changes, modifications, additions and substitutions within the spirit and scope of the present invention.

Claims (6)

1. The utility model provides a bridge pier shaft anti-pollution system that creeping formwork construction was used which characterized in that: the device comprises a water collecting tank (3), a connecting port water collecting tank (4), a water collecting tank bracket (9), a main water pipe (11) and a jacking device, wherein the water collecting tank bracket (9) is fixed on a climbing formwork bearing tripod upright post, and the water collecting tank bracket (9) is firmly connected with the climbing formwork bearing tripod upright post through a bolt fastener; the water collecting tank (3) is erected on the water collecting tank bracket (9), the water collecting tank (3) is erected around the bridge pier body, and a plurality of connectors are reserved on the water collecting tank (3) around the bridge pier body; two ends of the water collecting tank (4) of the connecting port are respectively erected on the water collecting tanks (3) at two ends of the connecting port; a water collecting basket (1) for connecting cement slurry and curing water which flow down from the connecting port is arranged at the connecting port; the bottom of the water collecting basket (1) is communicated with a branch water pipe (10), the branch water pipe (10) is communicated with a main water pipe (11), and the main water pipe (11) is connected with a discharge pipe (12) used for leading falling cement paste and maintenance water to a waste water collecting pool; the jacking device is arranged on the water collecting tank bracket (9) and used for tightly pressing and attaching the water collecting tank (3) and the connector water collecting tank (4) to the bridge pier body, and water stop strips (2) are arranged on the attaching surfaces of the water collecting tank (3) and the connector water collecting tank (4) and the bridge pier body.
2. The anti-pollution system for the pier body of the bridge for creeping formwork construction according to claim 1, wherein: the top pressing device comprises a top plate (5), a reaction screw (6), a nut (7) and a reaction steel plate (8), wherein the reaction steel plate (8) is fixed on a water collecting tank bracket (9), and a screw penetrating opening is formed in the reaction steel plate (8); one end of the counter-force screw rod (6) is fixed on a top plate (5) used for jacking the water collecting tank (3) and the connecting port water collecting tank (4), the nut (7) is installed on the counter-force screw rod (6), the other end of the counter-force screw rod (6) penetrates through a screw rod penetrating port on the counter-force steel plate (8), and the jacking force of the top plate (5) is adjusted by adjusting the pressure between the nut (7) and the counter-force steel plate (8).
3. The anti-pollution system for the pier body of the bridge for creeping formwork construction according to claim 2, wherein: the reaction steel plate (8) comprises a reaction steel plate body (17), a screw rod penetrating opening is formed in the reaction steel plate body (17), and the screw rod penetrating opening is a U-shaped opening (16).
4. The anti-pollution system for the pier body of the bridge for creeping formwork construction according to claim 1, wherein: the water stop strip (2) is a water stop strip with good compressibility and sealing performance.
5. The anti-pollution system for the pier body of the bridge for creeping formwork construction according to claim 1, wherein: the water collecting basket (1) comprises buckling lugs (13) and a water collecting box (14), the buckling lugs (13) are arranged above the water collecting box (14), the buckling lugs (13) are used for being buckled on a water collecting tank (4) of a connecting port, the water collecting box (14) extends below the connecting port, a water outlet (15) is formed in the bottom of the water collecting box (14), and the water outlet (15) is communicated with a water branch pipe (10).
6. The anti-pollution system for the pier body of the bridge for creeping formwork construction according to claim 1, wherein: the water collecting tank (3) and the connecting port water collecting tank (4) are both made of channel steel.
CN202110104544.2A 2021-01-26 2021-01-26 Bridge pier body anti-pollution system for creeping formwork construction Active CN112709156B (en)

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CN202110104544.2A CN112709156B (en) 2021-01-26 2021-01-26 Bridge pier body anti-pollution system for creeping formwork construction

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CN202110104544.2A CN112709156B (en) 2021-01-26 2021-01-26 Bridge pier body anti-pollution system for creeping formwork construction

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CN112709156B true CN112709156B (en) 2022-05-10

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005248628A (en) * 2004-03-05 2005-09-15 Tonichi Koji Kk Vent equipment and its construction method
CN105780661A (en) * 2016-03-31 2016-07-20 中交公局第六工程有限公司 High pier sliding and turning integrated construction formwork system
CN208250924U (en) * 2018-05-23 2018-12-18 王晨晨 A kind of bridge coxopodite pier shaft pours leakproof sizing device
CN109989347A (en) * 2019-03-12 2019-07-09 中交一公局桥隧工程有限公司 Cantilever formwork of hollow bridge pier and construction method thereof
CN110761195A (en) * 2019-10-31 2020-02-07 中铁二局集团有限公司 Bridge hollow thin-wall cable tower concrete spraying maintenance device and method
CN111236086A (en) * 2020-03-18 2020-06-05 周泽辉 Automatic spraying and curing device for concrete bridge pier
CN211947981U (en) * 2020-02-24 2020-11-17 重庆城建控股(集团)有限责任公司 Slurry leakage prevention device for construction of pier creeping formwork segment

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005248628A (en) * 2004-03-05 2005-09-15 Tonichi Koji Kk Vent equipment and its construction method
CN105780661A (en) * 2016-03-31 2016-07-20 中交公局第六工程有限公司 High pier sliding and turning integrated construction formwork system
CN208250924U (en) * 2018-05-23 2018-12-18 王晨晨 A kind of bridge coxopodite pier shaft pours leakproof sizing device
CN109989347A (en) * 2019-03-12 2019-07-09 中交一公局桥隧工程有限公司 Cantilever formwork of hollow bridge pier and construction method thereof
CN110761195A (en) * 2019-10-31 2020-02-07 中铁二局集团有限公司 Bridge hollow thin-wall cable tower concrete spraying maintenance device and method
CN211947981U (en) * 2020-02-24 2020-11-17 重庆城建控股(集团)有限责任公司 Slurry leakage prevention device for construction of pier creeping formwork segment
CN111236086A (en) * 2020-03-18 2020-06-05 周泽辉 Automatic spraying and curing device for concrete bridge pier

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