CN114635440A - Cofferdam assembly for water channel overhaul with water - Google Patents
Cofferdam assembly for water channel overhaul with water Download PDFInfo
- Publication number
- CN114635440A CN114635440A CN202210403959.4A CN202210403959A CN114635440A CN 114635440 A CN114635440 A CN 114635440A CN 202210403959 A CN202210403959 A CN 202210403959A CN 114635440 A CN114635440 A CN 114635440A
- Authority
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- China
- Prior art keywords
- channel
- cofferdam
- water
- overhaul
- steel plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 75
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 51
- 239000010959 steel Substances 0.000 claims abstract description 51
- 238000007789 sealing Methods 0.000 claims description 12
- 229920001875 Ebonite Polymers 0.000 claims description 4
- 239000002023 wood Substances 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/02—Restraining of open water
- E02D19/04—Restraining of open water by coffer-dams, e.g. made of sheet piles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
- E02B5/08—Details, e.g. gates, screens
- E02B5/082—Closures
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a cofferdam assembly for water-carrying overhaul of an overflow channel, which comprises a steel plate cofferdam, wherein the steel plate cofferdam is a three-sided coaming plate, a channel concrete lining plate to be overhauled is enclosed, a water passing side is reserved on one side far away from the channel concrete lining plate to be overhauled, so that the channel is not cut off, a balancing weight is arranged on the steel plate cofferdam, a water stop pad is arranged at the contact part of the steel plate cofferdam, the bottom of the channel and the side slope of the channel, and is composed of an arched water stop strip and an elastic water stop strip filled in an arched water stop strip arch, the arch back of the arched water stop strip is contacted with the steel plate cofferdam, the elastic water stop strip is tightly attached to the bottom of the channel and the channel concrete lining plate, and a plurality of supporting arched beams are supported between the outer side of the steel plate cofferdam and the side of the channel side slope concrete slab far away from the channel concrete lining plate to be overhauled. The invention has the advantages of no interruption of water supply, no pollution to water quality, small investment and convenient and quick construction.
Description
Technical Field
The invention relates to a cofferdam assembly, in particular to a cofferdam assembly for overhauling a water channel with water.
Background
China is one of the most river countries in the world, and has more than 4.5 million rivers. The construction of cross-basin diversion projects is the most effective measure for solving the problems of uneven space-time distribution of water resources and unbalanced social water demand; among them, water transportation by river or canal is one of the common ways. Due to the influences of factors such as geological conditions, climate differences, frost heaving and the like, cracks can occur on the side slope of the channel along with the lapse of time, and the channel needs to be overhauled, but the channel has a water supply task and can not stop water supply, so that the channel is always overhauled with water. The common construction methods at present include an underwater construction method and a full-section cofferdam water distribution pump water supply method. The underwater construction method has great construction difficulty and can pollute water quality; the water supply method of the full-section cofferdam water distribution pump has the advantages of large construction work amount, long construction period and high investment.
Disclosure of Invention
The invention aims to solve the technical problem of providing a cofferdam assembly for the overhaul of a water channel with water, which does not interrupt water supply during construction, does not pollute water quality, has small investment and is convenient and quick to construct.
In order to solve the problems, the technical scheme adopted by the invention is as follows: the utility model provides a cofferdam subassembly for overflow channel overhauls with water, including the steel sheet cofferdam, the steel sheet cofferdam is trilateral bounding wall, the channel concrete lining board that will overhaul is enclosed, and leave logical water side in keeping away from channel concrete lining board one side that will overhaul, make the channel not cut off, be provided with the balancing weight on the steel sheet cofferdam, the steel sheet cofferdam is provided with the stagnant water pad with the position of the contact of canal bottom and channel side slope, the stagnant water pad comprises arch sealing rod and the elasticity sealing rod of packing in arch sealing rod arch, the hunch back and the steel sheet cofferdam contact of arch sealing rod, elasticity sealing rod hugs closely canal bottom and channel concrete lining board, it has a plurality of support arched girders to support between the slope concrete slab of the channel side in keeping away from the one side steel sheet cofferdam outside of channel concrete lining board that will overhaul.
One end of the supporting arched beam is pressed on the concrete slab of the channel side slope on the water passing side through the backing plate, and the other end of the supporting arched beam is pressed on the steel plate cofferdam.
The support arched beam is provided with a pre-pressing device, and the pre-pressing device is an oil jack.
And the balancing weight is hung on the steel plate cofferdam through a steel wire rope.
The channel concrete lining plate to be overhauled is of a concrete structure or a stone structure.
The arch water stop strip and the elastic water stop strip are made of rubber materials, and the hardness of the arch water stop strip is larger than that of the elastic water stop strip.
The backing plate is a wood plate or a hard rubber plate.
The invention has the beneficial effects that: the defects that water supply is interrupted when the side slope is repaired and the like are avoided, water supply is not influenced, the water quality is not polluted, the investment is small, and the construction is convenient and rapid.
Drawings
Fig. 1 is a layout view of a cofferdam assembly for the overhaul of water channels with water according to the invention.
Fig. 2 is a diagrammatic view of the support arch beam of the present invention.
Fig. 3 is a big picture of the arch water stop of the invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 3, the cofferdam assembly for the overhaul of the water channel with water comprises a steel plate cofferdam 2, wherein the steel plate cofferdam 2 is a three-sided coaming, a concrete lining plate 8 of the channel to be overhauled is enclosed, a water-through side is left on one side of the concrete lining board 8 far away from the channel to be overhauled to ensure that the channel does not cut off, a balancing weight 5 is arranged on the steel plate cofferdam 2, a water-stop pad is arranged at the contact part of the steel plate cofferdam 2 and the bottom of the channel and the side slope of the channel, the water-stop pad is composed of an arch water-stop strip 7 and an elastic water-stop strip 9 filled in the arch water-stop strip arch, the arch back of the arch water-stop strip 7 is contacted with the steel plate cofferdam 2, the elastic water-stop strip 9 is tightly attached to the bottom of the channel and the concrete lining board 8 of the channel, a plurality of supporting arched girders 1 are supported between the outer side of the steel plate cofferdam 2 at the side far from the channel concrete lining plate 8 to be overhauled and the channel slope concrete plate at the water passing side.
One end of the supporting arched girder 1 is pressed on a channel side slope concrete slab on the water passing side through a backing plate 6, and the other end of the supporting arched girder is pressed on the steel plate cofferdam 2. The support arched beam 1 is provided with a pre-pressing device 3, and the pre-pressing device 3 is an oil jack. And the balancing weight 5 is hung on the steel plate cofferdam 2 through a steel wire rope 4. The channel concrete lining plate 8 to be overhauled is of a concrete structure or a masonry structure.
The arch water stop strip 7 and the elastic water stop strip 9 are both made of rubber, and the hardness of the arch water stop strip 7 is larger than that of the elastic water stop strip 9. The backing plate 6 is a wood plate or a hard rubber plate.
The steel plate cofferdam 2 encloses a channel concrete lining plate 8 to be overhauled; the balancing weight 5 is hung on the steel plate cofferdam 2 through a steel wire rope 4; the arched water stop bars 7 and the elastic water stop bars 9 on the inner sides of the arched water stop bars are arranged on the lower edge and the side edges of the steel plate cofferdam 2, and the elastic water stop bars 9 are tightly attached to the channel concrete lining plate 8 and the bottom plate; one end of the supporting arched girder 1 is pressed on the concrete slab of the channel side slope on the water passing side through a backing plate 6, and the other end is pressed on the steel plate cofferdam 2. The steel plate cofferdam 2 compresses tightly the arch sealing rod 7 and the elastic sealing rod 9 of the lower edge and the lateral edge of the steel plate cofferdam 2 through the balancing weight 5 and the supporting arched girder 1, so that a water stopping effect is achieved, a dry construction environment is formed, and the damaged concrete lining plate is conveniently dismantled, replaced or maintained.
The steel plate cofferdam 2 encloses the channel concrete lining plates 8 to be overhauled to form a dry construction environment, so that the damaged concrete lining plates 8 can be conveniently dismantled, replaced or maintained, and the steel plate cofferdam 2 has enough rigidity and water retaining height. The balancing weight 5 is hung on the steel plate cofferdam 2 through the steel wire rope 4, and the steel wire rope 4 has enough strength. The buoyancy of the gravity of the balancing weight 5 to the steel plate cofferdam 2 is eliminated, the stability of the steel plate cofferdam 2 is increased, and the arch-shaped water stop strip 7 and the elastic water stop strip 9 on the lower edge of the steel plate cofferdam 2 are compressed simultaneously, so that the water stopping effect is achieved, and the weight of the balancing weight 5 is appropriate.
The supporting arched girder 1 is connected with the side slope concrete of the water-through side channel and the steel plate cofferdam 2, the prepressing device 3 on the supporting arched girder 1 is an oil jack, and the prepressing device 3 compresses the arch water stop 7 and the elastic water stop strip 9 for overhauling the lower edge of the steel plate cofferdam 2 on the side slope, so that the purposes of water stop and fixing the steel plate cofferdam 2 are achieved, and the supporting arched girder 1 has enough rigidity and strength. The backing plate 6 between the support arched beam 1 and the channel side slope concrete on the water passing side is used for reducing the pressure of the support arched beam 1 to the channel side slope concrete, preventing the concrete lining plate from being crushed, and simultaneously increasing the friction force between the support arched beam 1 and the side slope concrete, and the backing plate 6 can be a wood plate or a hard rubber plate.
The above examples are only for illustrating the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the same, and the scope of the present invention is not limited by the examples, i.e., the equivalent changes or modifications made in the spirit of the present invention disclosed are still within the scope of the present invention.
Claims (7)
1. The utility model provides a cofferdam subassembly for overflow channel overhauls with water, including steel sheet cofferdam (2), steel sheet cofferdam (2) are trilateral bounding wall, the channel concrete lining board (8) that will overhaul are enclosed, and leave logical water side in keeping away from channel concrete lining board (8) one side that will overhaul, make the channel ceaseless, a serial communication port, be provided with balancing weight (5) on steel sheet cofferdam (2), steel sheet cofferdam (2) and the position of the contact of canal bottom and channel side slope are provided with the stagnant water pad, the stagnant water pad comprises arch sealing strip (7) and the elasticity sealing strip (9) of packing in arch sealing strip arch, the hunch back and the steel sheet cofferdam (2) contact of arch sealing strip (7), elasticity sealing strip (9) are hugged closely the canal bottom and channel concrete lining board (8), it has a plurality of arched girders (1) to support between the channel side slope concrete slab to keep away from one side steel sheet cofferdam (2) outside of concrete lining board (8) that will overhaul.
2. The cofferdam assembly for the aquatic channel overhaul with water according to claim 1, wherein said supporting arched girders (1) are pressed at one end against the concrete slab of the channel side slope on the side of water passage by means of a backing plate (6) and at the other end against the steel plate cofferdam (2).
3. The cofferdam assembly for the overhauled channel with water maintenance of claim 1, wherein the supporting arched girder (1) is provided with a pre-pressing device (3), and the pre-pressing device (3) is an oil jack.
4. The cofferdam assembly for the overhaul of an overflow channel with water of claim 1, wherein the counterweight (5) is hung on the steel plate cofferdam (2) through a steel wire rope (4).
5. The cofferdam assembly for the water channel wet overhaul according to claim 1, wherein the channel concrete lining panel (8) to be overhauled is a concrete structure or a masonry structure.
6. The cofferdam assembly for the overhaul of the water channel with water according to claim 1, wherein the arched water stop strip (7) and the elastic water stop strip (9) are made of rubber, and the hardness of the arched water stop strip (7) is greater than that of the elastic water stop strip (9).
7. The cofferdam assembly for the overhaul of the channels with water of claim 2, wherein the backing plate (6) is a wood plate or a hard rubber plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210403959.4A CN114635440A (en) | 2022-04-18 | 2022-04-18 | Cofferdam assembly for water channel overhaul with water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210403959.4A CN114635440A (en) | 2022-04-18 | 2022-04-18 | Cofferdam assembly for water channel overhaul with water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114635440A true CN114635440A (en) | 2022-06-17 |
Family
ID=81952516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210403959.4A Pending CN114635440A (en) | 2022-04-18 | 2022-04-18 | Cofferdam assembly for water channel overhaul with water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114635440A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337424A (en) * | 2016-10-20 | 2017-01-18 | 长江勘测规划设计研究有限责任公司 | Cofferdam semi-enclosed type foundation pit without interrupting water conveying during canal lining restoration and method |
| DE202017101470U1 (en) * | 2017-03-14 | 2017-04-27 | Sbh Tiefbautechnik Gmbh | Grabenverbau for the installation of pipeline trenches |
| CN206815355U (en) * | 2017-05-24 | 2017-12-29 | 宁波绿茵市政园林股份有限公司 | A kind of river course pile foundation cofferdam |
| CN110004958A (en) * | 2019-04-02 | 2019-07-12 | 武大巨成结构股份有限公司 | A kind of underwater prestress steel cofferdam device of bottom sky formula for active well of fetching water |
| CN212612556U (en) * | 2020-06-19 | 2021-02-26 | 中国建筑一局(集团)有限公司 | Shallow water area manger plate cofferdam structure |
| CN113026783A (en) * | 2021-03-31 | 2021-06-25 | 河北省水利工程局 | Channel underwater lining plate maintenance steel cofferdam |
-
2022
- 2022-04-18 CN CN202210403959.4A patent/CN114635440A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337424A (en) * | 2016-10-20 | 2017-01-18 | 长江勘测规划设计研究有限责任公司 | Cofferdam semi-enclosed type foundation pit without interrupting water conveying during canal lining restoration and method |
| DE202017101470U1 (en) * | 2017-03-14 | 2017-04-27 | Sbh Tiefbautechnik Gmbh | Grabenverbau for the installation of pipeline trenches |
| CN206815355U (en) * | 2017-05-24 | 2017-12-29 | 宁波绿茵市政园林股份有限公司 | A kind of river course pile foundation cofferdam |
| CN110004958A (en) * | 2019-04-02 | 2019-07-12 | 武大巨成结构股份有限公司 | A kind of underwater prestress steel cofferdam device of bottom sky formula for active well of fetching water |
| CN212612556U (en) * | 2020-06-19 | 2021-02-26 | 中国建筑一局(集团)有限公司 | Shallow water area manger plate cofferdam structure |
| CN113026783A (en) * | 2021-03-31 | 2021-06-25 | 河北省水利工程局 | Channel underwater lining plate maintenance steel cofferdam |
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