CN206233252U - For the steel cofferdam device that bridge pier is reinforced under water - Google Patents
For the steel cofferdam device that bridge pier is reinforced under water Download PDFInfo
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- CN206233252U CN206233252U CN201621276359.2U CN201621276359U CN206233252U CN 206233252 U CN206233252 U CN 206233252U CN 201621276359 U CN201621276359 U CN 201621276359U CN 206233252 U CN206233252 U CN 206233252U
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- cofferdam
- bridge pier
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Abstract
The utility model discloses a kind of steel cofferdam device reinforced under water for bridge pier including multiple located at the cofferdam steel plate treated on the outside of reinforced bridge pier, cofferdam steel plate is by central rectangular steel plate and is arranged at the steel pipe of its two vertical edge and constitutes, and vertical slot is provided with each steel pipe；Connected by shaped steel connecting key between the steel plate of cofferdam, shaped steel connecting key both sides are inserted in the vertical slot of steel pipe respectively；Also include for extracting water plug of the cofferdam steel plate around the interior volume water for treating reinforced bridge pier out.A kind of steel cofferdam device reinforced under water for bridge pier of the present utility model, overcomes the defect that the steel cofferdam method that traditional bridge pier reinforces under water exists when reinforcing, and bright process is simple reinforces short time limit, faster；It is safe and reliable, it is ensured that the safety in bridge pier reinforcement space under water；Cofferdam steel plate and dodge gate can be reused, and be applied under various sizes of bridge water in reinforcing engineering, need to only adjust the size of movable door board, and economy is high.
Description
Technical field
The utility model is related to native bridge field, specifically a kind of steel cofferdam device reinforced under water for bridge pier.
Background technology
China is the numerous country of a rivers and lakes, and substantial amounts of railway and highway bridge make land transportation be linked to be network,
The important leverage that China's economy is developed rapidly is turned into.But the growth and the volume of traffic with the bridge operation time is all with day
Increase, various problems continuously emerge, while for bridge superstructure, the damage of bottom submerged structure is more general
Time, and be difficult to be found, this washes away mainly due to static stress higher under water, river, ship collision, erosion, severe cold ground
The factors such as the Frozen-thawed cycled and floating ice in area easily trigger the formation of all kinds of damages of bridge submerged structure, such as concrete cover stripping
Fall, crack, dew muscle, steel bar corrosion and river-bed deepened etc., these are damaged, defect will cause load carrying capacity of bridge and endurance quality drops
It is low, seriously jeopardize traffic safety.For under normal circumstances, bridge pier reinforcement means under water, steel cofferdam is used as bridge underwater construction
Temporary facility, sinks in place before reinforcement.But it is limited to be completed the shadow of bridge due to the construction of bridge strengthening steel cofferdam
Ring, operable space is limited, and binder is often there are between bridge pier, bridge pier is conventionally used in this case and is reinforced under water
Cofferdam be difficult to carry out.Meanwhile, conventional method also needs to set up cofferdam again in reinforced bridge pier basal perimeter inserting piling steel-pipe pile a bit,
The not only high cost but also duration is more long.It can be seen that traditional steel cofferdam and its construction method are deposited at aspects such as application, economy
In some shortcomings.
Utility model content
Goal of the invention：In order to overcome the deficiencies in the prior art, the utility model provides one kind is used for bridge pier under water
The steel cofferdam device of reinforcing.
Technical scheme：In order to solve the above technical problems, a kind of steel cofferdam reinforced under water for bridge pier of the present utility model
Device, including it is multiple located at the cofferdam steel plate treated on the outside of reinforced bridge pier, cofferdam steel plate is by central rectangular steel plate and is arranged at it
The steel pipe of two vertical edges is constituted, and vertical slot is provided with each steel pipe；Connected by shaped steel connecting key between the steel plate of cofferdam, shaped steel connection
Insert respectively in the vertical slot of steel pipe key both sides；Also include for extracting cofferdam steel plate out around the interior volume water for treating reinforced bridge pier
Water plug.
Wherein, shaped steel connecting key is H profile steel, and the both wings edge of H profile steel is inserted in corresponding steel pipe respectively.
Wherein, encapsulant is filled with steel pipe.
Wherein, when when reinforced bridge pier includes binder, dodge gate is additionally provided with the cofferdam steel plate below binder.
Wherein, dodge gate includes base plate, door-plate and the guide rail being arranged on steel pipe, and door-plate is installed between the guide rails, and
And sealed by rubber strip between guide rail, it is in close contact with guide rail eventually through the sealing bolt on guide rail.
Wherein, base plate and door-plate are shaped as matrix, and base plate concave port width is more than binder width, door-plate concave port width
It is identical with binder width.
Wherein, door-plate circle on the inside of concave port is evenly equipped with rubber strip.
Wherein, dodge gate also includes a portable plate, and portable plate is a rectangular steel plates, the width of portable plate and the width of base plate
It is identical, it is respectively provided with one rubber strip in two vertical sides of backwater one side.
The utility model when in use, is comprised the following steps：
1) treat reinforced bridge pier to investigate, design cofferdam steel plate number and riding position such as treat that reinforced bridge pier has
Binder, also answers design activity door board size；
2) site operation, cofferdam steel plate and dodge gate are squeezed into ground successively by design attitude；
3) it is attached in the steel pipe that shaped steel connecting key is inserted adjacent two blocks of cofferdam steel plates；
4) door-plate of dodge gate is promoted to binder bottom, tightening the sealing bolt on guide rail extrudes door-plate and rubber strip
It is closely knit；
If 5) binder upper surface is below the water surface, need to also binder upper end by water side lay portable plate, by hydraulic pressure with
Rubber strip dense extrusion；
6) the cofferdam steel plate two ends steel pipe after connection is filled closely knit with clay；
7) water of remnants in cofferdam is pumped with water pump, forming reinforcement face carries out subsequent reinforcement construction.
Beneficial effect：A kind of steel cofferdam device reinforced under water for bridge pier of the present utility model, overcomes traditional bridge pier
The defect that the steel cofferdam method reinforced under water exists when reinforcing, with following distinguishing feature：
(1) the utility model process is simple, reinforces short time limit, faster；
(2) the utility model is safe and reliable, it is ensured that the safety in bridge pier reinforcement space under water；
(3) the cofferdam steel plate and dodge gate in the utility model can be reused, and be applied to various sizes of bridge
Under water in reinforcing engineering, the size of movable door board need to be only adjusted, economy is high；
(4) the utility model scope on probation is wide, can be used for the various situations for having a binder between bridge pier；
(5) the utility model is economic and environment-friendly, and sealing clay raw material used are universal extensively, reduce reinforcement cost.
Brief description of the drawings
Fig. 1 is the process chart of the steel cofferdam method reinforced under water for bridge pier of the present utility model；
Fig. 2 is steel cofferdam apparatus structure schematic diagram of the present utility model；
Fig. 3 to Fig. 4 is the schematic diagram of each step of the steel cofferdam method reinforced under water for bridge pier of the present utility model, its
In：
Fig. 3 is steel plate schematic elevation view in cofferdam used by the utility model；
Fig. 4 is steel plate schematic cross-section in cofferdam used by the utility model；
Fig. 5 to Fig. 7 is the work used in a kind of steel cofferdam implementation reinforced under water for bridge pier of the present utility model
Dynamic door schematic diagram, wherein：
Fig. 5 is dodge gate schematic elevation view；
Fig. 6 is dodge gate schematic cross-section；
Fig. 7 is dodge gate base plate and rail combined structure schematic diagram；
Fig. 8 is door panel structure schematic diagram；
Fig. 9 is activity plate structure schematic diagram；
Figure 10 to Figure 17 is a kind of each step of steel cofferdam implementation reinforced under water for bridge pier of the present utility model
Schematic diagram, wherein：
Figure 10 is pier section schematic diagram to be reinforced of the present utility model, treats that reinforced bridge pier includes binder in figure；
Figure 11 is the schematic diagram that the cofferdam steel plate that will design and dodge gate are squeezed into ground successively by design attitude；
Figure 12 is the schematic diagram that will be attached in the conduit of the adjacent two blocks of cofferdam steel plates of shaped steel connecting key insertion；
Figure 13 is the dodge gate schematic diagram for not lifting door-plate；
Figure 14 lifts the schematic diagram of door-plate for dodge gate；
Figure 15 is that the schematic diagram of portable plate is laid by water side in binder upper end；
Figure 16 is that the cofferdam steel plate two ends steel pipe clay after connection is filled into closely knit schematic diagram；
Figure 17 is the schematic diagram that residual water in cofferdam is pumped with water pump.
Specific embodiment
The utility model is further described below in conjunction with the accompanying drawings.
As shown in Fig. 2-Fig. 9, the utility model provides a kind of steel cofferdam device reinforced under water for bridge pier, including many
Individual to be arranged on the cofferdam steel plate 2 for treating the outside of reinforced bridge pier 1, cofferdam steel plate 2 is by central rectangular steel plate 21 and is arranged at it and two erects
The steel pipe 22 on side is constituted, and vertical slot 23 is provided with each steel pipe 22；Connected by shaped steel connecting key 3 between cofferdam steel plate 2, shaped steel
Insert respectively in the vertical slot 23 of steel pipe 2 both sides of connecting key 3；Also include for extracting cofferdam steel plate 2 out around treating reinforced bridge pier 1
The water plug of interior volume water, is specifically as follows water pump.Shaped steel connecting key 3 is H profile steel, and the both wings edge of H profile steel is inserted respectively
In corresponding steel pipe 2, clay 5 is then filled in steel pipe 2 as encapsulant.When whne reinforced bridge pier include binder 11 when, if
It is placed on the cofferdam steel plate 2 of the lower section of binder 11 and also sets up dodge gate 4.Dodge gate 4 includes base plate 41, door-plate 42 and is arranged on steel
Guide rail 43 on pipe 2, door-plate 42 is arranged between guide rail 43, and is sealed by rubber strip 44 between guide rail 43, eventually through
Sealing bolt 45 on guide rail 43 makes it be in close contact with guide rail 54.Base plate 41 and door-plate 42 are shaped as matrix, and base plate 41 is recessed
Type mouthful width is more than the width of binder 11, and the concave port width of door-plate 42 is identical with the width of binder 11.Door-plate 42 is one on the inside of concave port
Circle is evenly equipped with rubber strip 44.Dodge gate also include a portable plate 45, portable plate 45 be a rectangular steel plates, the width of portable plate 45 with
The width of base plate 41 is identical, and one rubber strip is respectively provided with two vertical sides of backwater one side.
Specifically, Fig. 2 is the structural representation of steel cofferdam device of the present utility model；During Fig. 3, Fig. 4 are steel cofferdam device
The cofferdam steel plate schematic diagram for using, wherein Fig. 4 is the schematic cross-section of cofferdam steel plate 2, and Fig. 4 is that cofferdam steel plate outward appearance main view is illustrated
Figure, as can be seen from the figure cofferdam steel plate 2 is made up of two ends steel pipe 22 and center steel plate 21, and two ends steel pipe 22 is opened in design attitude
Vertical slot 23；Fig. 5 to Fig. 7 is the schematic diagram of dodge gate 4, and wherein Fig. 6 is the schematic cross-section of dodge gate 4, and Fig. 5 is that dodge gate 4 is faced
Schematic diagram, Fig. 7 is each component detailed maps of dodge gate 4, it can be seen that dodge gate 4 by base plate 41, door-plate 42 and
Guide rail 43, rubber strip 44 and the sealing bolt 45 being arranged on steel pipe 2 are constituted, and wherein base plate 41 and door-plate 42 is shaped as " recessed "
Type, as is illustrated schematically, and base plate 41 " recessed " type mouthful width is more than door-plate 42 " recessed " type mouthful width for shape.
Fig. 8 to Figure 15 is the schematic diagram of each step when the utility model is implemented, wherein：Fig. 8 represents of the present utility model to be added
Gu pier section schematic diagram, treats that reinforced bridge pier 1 includes binder 11 in figure；Fig. 9 represents the cofferdam steel plate 2 and dodge gate that will be designed
4 schematic diagrames squeezed into successively in ground by design attitude；Figure 10 is represented and for shaped steel connecting key 3 to be inserted adjacent two blocks of cofferdam steel plates 2
Vertical slot 23 in the schematic diagram that is attached；Figure 11 to Figure 12 represents and for the door-plate 42 of dodge gate 4 to be promoted to the bottom of binder 11,
And the schematic diagram of sealing bolt 45 on guide rail is tightened, wherein Figure 11 represents the dodge gate schematic diagram for not lifting door-plate 42, Figure 12
Represent that dodge gate 4 lifts the schematic diagram of door-plate 42；Figure 13 is represented and the signal of portable plate 45 is laid by water side in the upper end of binder 11
Figure；Figure 14 is represented and for the clay of two ends steel pipe 22 5 of cofferdam steel plate 2 after connection to be filled closely knit schematic diagram；Figure 15 is represented and is used water
Pumping 6 removes the schematic diagram of residual water in cofferdam.
As shown in figure 1, it is of the present utility model when implementing, comprise the following steps：
1) treat reinforced bridge pier 1 to investigate, the quantity of design cofferdam steel plate 2 and riding position, if any binder, should also
Design activity 4 door-plate sizes of door；
2) site operation is squeezed into ground cofferdam steel plate 2 and dodge gate 4 by design attitude successively；
3) it is attached in the conduit that shaped steel connecting key 3 is inserted adjacent two blocks of cofferdam steel plates 2；
4) door-plate of dodge gate 4 is promoted to binder bottom, tightening the sealing bolt on guide rail squeezes door-plate and rubber strip
Densification reality；
If 5) binder upper surface is below the water surface, need to also binder upper end by water side lay portable plate, by hydraulic pressure with
Rubber strip dense extrusion；
6) the two ends steel pipes clay 5 of cofferdam steel plate 2 after connection is filled closely knit；
7) water of remnants in cofferdam is pumped with water pump 6, forming reinforcement face carries out subsequent reinforcement construction.
The bridge pier that the utility model can be suitably used for various situations is reinforced under water.
The above is only preferred embodiment of the present utility model, it should be pointed out that：For the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (8)
1. a kind of steel cofferdam device reinforced under water for bridge pier, it is characterised in that：It is located at including multiple and treats reinforced bridge pier outside
Cofferdam steel plate, cofferdam steel plate is by central rectangular steel plate and is arranged at the steel pipe of its two vertical edge and constitutes, and is provided with each steel pipe
Vertical slot；Connected by shaped steel connecting key between the steel plate of cofferdam, shaped steel connecting key both sides are inserted in the vertical slot of steel pipe respectively；Also
Including for extracting water plug of the cofferdam steel plate around the interior volume water for treating reinforced bridge pier out.
2. the steel cofferdam device reinforced under water for bridge pier according to claim 1, it is characterised in that：Wherein, shaped steel connects
Key is connect for H profile steel, the both wings edge of H profile steel is inserted in corresponding steel pipe respectively.
3. the steel cofferdam device reinforced under water for bridge pier according to claim 1, it is characterised in that：Wherein, in steel pipe
Filled with encapsulant.
4. the steel cofferdam device reinforced under water for bridge pier according to claim 1, it is characterised in that：Wherein, when to be added
Gu bridge pier includes binder, dodge gate is additionally provided with the cofferdam steel plate below binder.
5. the steel cofferdam device reinforced under water for bridge pier according to claim 4, it is characterised in that：Wherein, dodge gate
Including base plate, door-plate and the guide rail being arranged on steel pipe, door-plate is installed between the guide rails, and passes through rubber strip between guide rail
Sealing, makes it be in close contact with guide rail eventually through the sealing bolt on guide rail.
6. the steel cofferdam device reinforced under water for bridge pier according to claim 5, it is characterised in that：Wherein, base plate and
Door-plate is shaped as matrix, and base plate concave port width is more than binder width, and door-plate concave port width is identical with binder width.
7. the steel cofferdam device reinforced under water for bridge pier according to claim 6, it is characterised in that：Wherein, door-plate exists
The circle of concave port inner side one is evenly equipped with rubber strip.
8. the steel cofferdam device reinforced under water for bridge pier according to claim 5, it is characterised in that：Wherein, dodge gate
Also include a portable plate, portable plate is a rectangular steel plates, and the width of portable plate is identical with the width of base plate, erected in backwater one side two
One rubber strip is respectively provided with to side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621276359.2U CN206233252U (en) | 2016-11-25 | 2016-11-25 | For the steel cofferdam device that bridge pier is reinforced under water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621276359.2U CN206233252U (en) | 2016-11-25 | 2016-11-25 | For the steel cofferdam device that bridge pier is reinforced under water |
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| Publication Number | Publication Date |
|---|---|
| CN206233252U true CN206233252U (en) | 2017-06-09 |
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ID=58980118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621276359.2U Active CN206233252U (en) | 2016-11-25 | 2016-11-25 | For the steel cofferdam device that bridge pier is reinforced under water |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106545023A (en) * | 2016-11-25 | 2017-03-29 | 南京东至南工程技术有限公司 | For the steel cofferdam device and method that bridge pier is reinforced under water |
| CN109944262A (en) * | 2019-04-09 | 2019-06-28 | 江苏现代路桥有限责任公司 | A kind of steel cofferdam installation method of reinforcement bridge submerged structure |
-
2016
- 2016-11-25 CN CN201621276359.2U patent/CN206233252U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106545023A (en) * | 2016-11-25 | 2017-03-29 | 南京东至南工程技术有限公司 | For the steel cofferdam device and method that bridge pier is reinforced under water |
| CN109944262A (en) * | 2019-04-09 | 2019-06-28 | 江苏现代路桥有限责任公司 | A kind of steel cofferdam installation method of reinforcement bridge submerged structure |
| CN109944262B (en) * | 2019-04-09 | 2023-12-05 | 江苏现代路桥有限责任公司 | Steel cofferdam installation method for reinforcing bridge underwater structure |
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