CN112854146A - Vertical water stop structure at bottom of sluice trough and construction method thereof - Google Patents
Vertical water stop structure at bottom of sluice trough and construction method thereof Download PDFInfo
- Publication number
- CN112854146A CN112854146A CN202110063818.8A CN202110063818A CN112854146A CN 112854146 A CN112854146 A CN 112854146A CN 202110063818 A CN202110063818 A CN 202110063818A CN 112854146 A CN112854146 A CN 112854146A
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- Prior art keywords
- water stop
- red copper
- water
- connecting piece
- vertical
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
- E02B7/54—Sealings for gates
Abstract
The invention discloses a vertical water stop structure at the bottom of a sluice gate tank and a construction method thereof. Through increasing vertically L type stagnant water connecting piece in the same direction as the rivers direction in floodgate groove bottom, effectively prevent rivers and form the passageway in the same direction as the rivers direction, solved the sluice and impound the back, under water pressure, from the problem that horizontal stagnant water upper portion leaked.
Description
Technical Field
The invention relates to the technical field of water conservancy equipment, in particular to a vertical water stopping device at the bottom of a sluice trough and a construction method thereof.
Background
The river sluice is of a sluice chamber structure vertical to the water flow direction, the sluice chamber is composed of a bottom plate, sluice piers and an upper structure, a cover is arranged at the upstream of the sluice chamber, and a steep slope section, a stilling pool, a Heiman and the like are arranged at the downstream of the sluice chamber. The lock chamber is generally divided into a plurality of holes, each hole is provided with a gate for retaining water, the gate is located on a bottom rail of the lock bottom plate, the bottom rail is embedded in the lock chamber bottom plate, the bottom plate is of a reinforced concrete structure, and the bottom rail is combined with the bottom plate through second-stage concrete.
According to the actual requirements and design requirements of the project, the water gate project has 4 types of water stopping modes, wherein the A-type water stopping mode is vertical red copper water stopping mode and is used between an upstream quay wall and a side pier; the B-type water stop is a horizontal red copper sheet water stop and is used for a paving room, a joint of the paving room and an upstream bank wall, a steep slope section and a joint of the steep slope section and a downstream bank wall; the C-shaped water stop is two water stops, the upper part is a red copper sheet water stop, and the lower part is a rubber water stop and is used for paving the water stops between the water stops and the gate bottom plate, between the gate bottom plate and the steep slope section, between the seam pier and the gate bottom plate; the D-shaped water stop is a rubber water stop and is used for the water diversion gate part.
The conventional design sluice bottom plate adopts C-shaped water stop along the water flow direction, and is used for two water stops, and the upper layer and the lower layer are arranged in parallel.
In the prior art, the arrangement form of water stopping of the gate bottom plate along the water flow direction is generally single-layer or double-layer water stopping and is horizontally arranged. The single-layer water stopping material is commonly a rubber water stopping belt or red copper water stopping, is arranged along deformation joints, settlement joints and construction joints in the direction along water flow, and is generally arranged 20cm below the top elevation of a cast-in-place bottom plate, a covering bottom plate is connected at the upper part, and a steep slope bottom plate is connected at the lower part. The double-layer water stopping material is commonly a red copper water stopping sheet, a rubber water stopping belt or a combination of two kinds of water stopping, and is arranged along a horizontal water flow direction seam, a settlement seam and a construction seam in an up-and-down two-way mode, generally, the upper portion is a red copper water stopping sheet, the lower portion is rubber water stopping, the two water stopping layers are spaced by 15cm-20cm, and a paving bottom plate is connected to the upper portion, and a steep slope bottom plate is connected to the lower portion. The above two kinds of gate bottom plate water stop form a closed body to the gate chamber bottom plate in the horizontal direction, so as to achieve the effect of preventing leakage. However, the two kinds of water stops of the gate bottom plate form a closed body to the gate chamber bottom plate in the horizontal direction, so that the effect of preventing leakage is achieved. The two methods can not avoid effectively preventing water leakage caused by the fact that water level rises due to upstream water storage and is influenced by water pressure, and water seepage passes through the expansion joint to form a water seepage channel along the upper part of the horizontal water stop.
Disclosure of Invention
The invention provides a structure and a construction method for vertically stopping water at the bottom of a gate slot of a gate bottom plate.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention adopts the following technical scheme:
the utility model provides a perpendicular stagnant water structure in sluice gate tank bottom portion from top to bottom includes horizontal red copper stagnant water, first layer expansion joint, plasticity packing layer, second floor expansion joint, rubber waterstop, third layer expansion joint, its characterized in that still includes L type stagnant water connecting piece, L type stagnant water connecting piece is located above the red copper stagnant water of level, with horizontal stagnant water fixed connection.
The utility model provides an aforementioned perpendicular stagnant water structure of sluice gate tank bottom, L type stagnant water connecting piece includes vertical red copper stagnant water, horizontal red copper stagnant water, vertical red copper stagnant water and horizontal red copper stagnant water fixed connection, L type stagnant water connecting piece intermediate position set up the stagnant water nasal cavity, the stagnant water nasal cavity is located the expansion joint between left side floodgate bottom plate and the right side floodgate bottom plate, horizontal red copper stagnant water and horizontal red copper stagnant water fixed connection.
According to the vertical water stopping structure at the bottom of the sluice gate tank, the vertical red copper water stopping structure is fixedly connected with the transverse red copper water stopping structure through double-sided lap welding.
The vertical water stopping structure at the bottom of the sluice gate tank is characterized in that the transverse red copper water stopping front end is fixedly connected with the horizontal red copper water stopping through double-sided lap welding, and the transverse red copper water stopping rear end is fixedly connected with the horizontal red copper water stopping through double-sided lap welding.
According to the vertical water stopping structure at the bottom of the sluice gate tank, the lap joint length of the double-sided lap welding is more than or equal to 20 mm.
According to the vertical water stopping structure at the bottom of the sluice trough, the number of the L-shaped water stopping connecting pieces is more than or equal to 2.
A construction method of a vertical water stop structure at the bottom of a sluice trough comprises the following steps:
and 7, pouring gate slot second-stage concrete together with the gate bottom rail and the vertical red copper water seal extending out of the transverse red copper water seal of the L-shaped water seal connecting piece.
In the construction method of the vertical water stop structure at the bottom of the sluice trough, in the step 2, the lap joint length of the lap joint glue joint is more than or equal to 10cm.
In the aforementioned construction method for the vertical water stop structure at the bottom of the sluice trough, in the step 5, the material of the expansion joint is a polyethylene closed-cell foam material.
In the construction method of the vertical water stop structure at the bottom of the sluice trough, in the step 5, the plastic filler is asphalt mortar.
Drawings
FIG. 1 is a schematic view of a vertical water stopping structure at the bottom of a sluice trough according to the present invention;
FIG. 2 is a schematic structural view of the cross section A-A of FIG. 1;
FIG. 3 is a schematic structural view of section B-B of FIG. 1;
fig. 4 is a schematic structural view of an L-shaped water stop connecting member.
The meaning of the reference numerals: 1-horizontal red copper water stop 2-first layer expansion joint 3-plastic packing layer
4-second layer expansion joint 5-rubber waterstop 6-third layer expansion joint 7-L type waterstop connecting piece
8-vertical red copper water stop 9-horizontal red copper water stop 10-water stop nasal cavity 11-left side floodgate bottom plate
12-right gate bottom plate 13-expansion joint.
Detailed Description
The vertical water stopping structure at the bottom of the sluice trough of the present invention will be further described in detail with reference to fig. 1 to 4 of the accompanying drawings.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
As shown in fig. 1, 2, 3, 4, a perpendicular stagnant water structure in sluice trough bottom portion from top to bottom includes horizontal red copper stagnant water 1, first layer expansion joint 2, plasticity packing layer 3, second floor expansion joint 4, rubber waterstop 5, third layer expansion joint 6, its characterized in that still includes L type stagnant water connecting piece 7, L type stagnant water connecting piece 7 is located above horizontal red copper stagnant water 1, with horizontal stagnant water 1 fixed connection. In the prior art, the vertical water stopping structure at the bottom of the water gate slot is arranged by adopting single-layer or double-layer water stopping along the water flow direction, the double-layer water stopping material is usually a horizontal red copper water stopping 1 and a rubber water stopping belt 5 or a combination of two water stopping, a deformation joint, a settlement joint and a construction joint are arranged along the water flow direction in an up-and-down two-way manner, the upper part of the cast-in-place bottom plate is generally 20cm below the top elevation, the horizontal red copper water stopping 1 is arranged at the upper part of the cast-in-place bottom plate, the rubber water stopping belt 5 is arranged at the lower part of the cast-in-place bottom plate, the two. The bottom plate water stop forms a closed body to the bottom plate of the lock chamber in the horizontal direction, so as to achieve the effect of preventing leakage. However, in the prior art, the water level is raised due to upstream water storage and is affected by water pressure, and water seepage passes through the expansion joint to form a water seepage channel along the upper part of the horizontal water stop, so that water leakage is caused and the effect of preventing water seepage is not achieved. Therefore, the invention adopts the L-shaped water stop connecting piece 7 fixedly connected on the horizontal red copper water stop 1 to prevent the water flow from forming a channel along the water flow direction, thereby solving the problem of water leakage from the upper part of the horizontal water stop under the condition of water pressure after the water gate stores water. Further, L type stagnant water connecting piece 7 includes vertical red copper stagnant water 8, horizontal red copper stagnant water 9, vertical red copper stagnant water 8 and horizontal red copper stagnant water 9 fixed connection, L type stagnant water connecting piece 7 intermediate position set up stagnant water nasal cavity 10, stagnant water nasal cavity 10 is located the expansion joint 13 between first phase floodgate bottom plate 11 and second phase floodgate bottom plate 12, horizontal red copper stagnant water 8 and 1 fixed connection of horizontal red copper stagnant water. The L-shaped water stop connecting piece 7 needs to be prefabricated, the size of the L-shaped water stop connecting piece 7 is determined according to the distance between the horizontal red copper water stop 1 and the bottom rail of the door groove, and the L-shaped water stop connecting piece 7 is prefabricated. The L-shaped water stop connecting piece 7 is also formed by welding red copper water stops, namely, the L-shaped water stop connecting piece is formed by connecting a vertical red copper water stop 8 and a horizontal red copper water stop 9 through double-sided lap welding. The water stopping nasal cavity 10 is positioned in the middle of the L-shaped water stopping connecting piece 7, and the water stopping nasal cavity 10 plays a role in positioning to prevent the L-shaped water stopping connecting piece 7 from displacing in the installation process; secondly, the ground sinks or the building deflects, the construction seam has the splitting phenomenon, the water stopping nasal cavity 10 can stretch along the splitting direction, the filler in the water stopping nasal cavity 10 can be dispersed, and the water stopping effect of the L-shaped water stopping connecting piece 7 is maintained. The stagnant water nasal cavity 10 is located the expansion joint 13 between left side floodgate bottom plate 11 and the right side floodgate bottom plate 12 to use L type stagnant water connecting piece 7 to use stagnant water nasal cavity 10 as the boundary, divide L type stagnant water connecting piece 7 the left side and L type stagnant water connecting piece 7 the right with L type stagnant water connecting piece 7, L type stagnant water connecting piece 7 the left side is located left side floodgate bottom plate 11 top, L type stagnant water connecting piece 7 the right side is located the higher authority of right side floodgate bottom plate 12. And the transverse red copper water stop 8 is fixedly connected with the horizontal red copper water stop 1. Further, the front end of the transverse red copper water stop 9 is fixedly connected with the red copper horizontal water stop 1 through double-sided lap welding, and the rear end of the transverse red copper water stop 9 is fixedly connected with the red copper horizontal water stop 1 through double-sided lap welding. The horizontal red copper water stop installation should be smooth, the surface floating skin, rust and oil stain should be removed completely, and repair welding should be carried out if there are sand holes, nail holes and cracks. The front end of the transverse red copper water stop 9 is fixedly connected with the red copper horizontal water stop 1 through double-sided lap welding, and the rear end of the transverse red copper water stop 9 is fixedly connected with the red copper horizontal water stop 1 through double-sided lap welding. Further, the lap length of the double-sided lap welding is more than or equal to 20 mm. The lapping length is not less than 20mm, and the surface of the welding joint is smooth, has no sand holes or cracks and is impermeable to water. Further, the number of the L-shaped water stop connecting pieces 7 is more than or equal to 2. According to the structure of the bottom rail of the sluice gate, the number of the L-shaped water stop connecting pieces 7 is set. In the present embodiment, the number of the L-shaped water stop connectors 7 is set to 2.
Further, this embodiment still discloses a perpendicular stagnant water structure construction method of sluice tank bottom, includes following step:
and 7, pouring gate slot second-stage concrete together with the gate bottom rail and the vertical red copper water seal extending out of the transverse red copper water seal of the L-shaped water seal connecting piece.
Further, in the step 2, the lap joint length of the lap joint glue joint is more than or equal to 10cm. The long and short lap length of the lap bond is related to the firmness and cost of the rubber water seal connection. Multiple tests prove that in the vertical water stopping structure at the bottom of the sluice gate tank, the shortest overlapping length of the two rubber water stopping lap joints and the glue is 10cm. In this example, the lap length of the lap bond is 10cm.
Further, in the step 5, the expansion joint material is a polyethylene closed-cell foam material; in the step 5, the plastic filler is asphalt mortar.
The above description is only for the purpose of illustrating specific embodiments of the present invention, and should not be construed as limiting the scope of the present invention, and all equivalent changes, modifications, or equivalent scaled-up or down made according to the design spirit of the present invention should be considered as falling within the scope of the present invention.
Claims (10)
1. The utility model provides a perpendicular stagnant water structure of sluice tank bottom portion from top to bottom includes horizontal red copper stagnant water (1), first layer expansion joint (2), plasticity packing layer (3), second floor expansion joint (4), rubber waterstop (5), third layer expansion joint (6), its characterized in that still includes L type stagnant water connecting piece (7), L type stagnant water connecting piece (7) are located above horizontal red copper stagnant water (1), with horizontal red copper stagnant water (1) fixed connection.
2. The vertical water stop structure at the bottom of a sluice trough according to claim 1, characterized in that the L-shaped water stop connecting piece (7) comprises a vertical red copper water stop (8) and a horizontal red copper water stop (9), the vertical red copper water stop (8) is fixedly connected with the horizontal red copper water stop (9), a water stop nasal cavity (10) is arranged at the middle position of the L-shaped water stop connecting piece (7), the water stop nasal cavity (10) is positioned at an expansion joint (13) between a left sluice bottom plate (11) and a right sluice bottom plate (12), and the horizontal red copper water stop (8) is fixedly connected with the horizontal red copper water stop (1).
3. The vertical water stop structure at the bottom of a sluice trough according to claim 2, characterized in that the vertical red copper water stop (8) is fixedly connected with the horizontal red copper water stop (9) by double-sided lap welding.
4. The vertical water stop structure at the bottom of a sluice trough according to claim 2, characterized in that the front end of the transverse red copper water stop (9) is fixedly connected with the horizontal red copper water stop (1) through double-sided lap welding, and the rear end of the transverse red copper water stop (9) is fixedly connected with the horizontal red copper water stop (1) through double-sided lap welding.
5. The vertical water stopping device at the bottom of the sluice trough according to claim 4, wherein the lap length of the double-sided lap welding is more than or equal to 20 mm.
6. The vertical water stop structure at the bottom of a sluice trough according to claim 1, characterized in that the number of the L-shaped water stop connecting pieces (7) is more than or equal to 2.
7. A construction method of a vertical water stop structure at the bottom of a sluice trough comprises the following steps:
step 1, prefabricating an L-shaped water-stopping connecting piece in advance; the L-shaped water stop connecting piece is formed by welding a transverse red copper water stop and a vertical red copper water stop, and a welding interface adopts double-sided lap welding;
step 2, installing a rubber water stop; the rubber water stops are in lap joint, ribs on two sides of the water stops are removed by blades, the water stops are polished by a thorn wheel until the thickness of the rubber water stops is 1/2, the rough surfaces of joints of the two rubber water stops are in lap joint, then the connected rubber water stops are laid flat, are clamped and positioned by a template, are firmly supported, and the upper parts of the rubber water stops are provided with horizontal red copper water stops;
step 3, installing an L-shaped water stopping connecting piece; determining that the vertical red copper water stop of the L-shaped water stop connecting piece is perpendicular to the bottom rail of the gate slot in the same plane according to the pay-off position of the gate slot, and the horizontal red copper water stop of the L-shaped water stop connecting piece is in lap joint with the horizontal red copper water stop, namely, the front end of the horizontal red copper water stop of the L-shaped water stop connecting piece is in double-sided lap joint welding with the horizontal red copper water stop, and the rear end of the horizontal red copper water stop of the L-shaped water stop connecting piece is in double-sided lap joint welding with the horizontal red copper water stop, so that the L-shaped water stop;
step 4, reinforcing the L-shaped water stop connecting piece, fastening and positioning the transverse red copper water stop right side of the L-shaped water stop connecting piece by using a cross beam, enabling the water stop nasal cavity to be positioned at the position of an expansion joint between the brake bottom plate and the brake bottom plate, enabling the transverse red copper water stop left side of the L-shaped water stop connecting piece to penetrate into the left brake bottom plate, and reinforcing and supporting the L-shaped water stop connecting piece by combining a template and a steel pipe;
step 5, water stopping nasal cavity filling, laying of a first layer of expansion joint, a second layer of expansion joint and a third layer of expansion joint, and filling of a plastic layer; pouring the gate bottom plate in the first period, removing the template after the gate bottom plate reaches the age, cleaning sundries in a nasal cavity of the copper water stop, filling a plastic filler in the nasal cavity of the water stop for sealing, and paving expansion joint materials in the first layer of expansion joints, the second layer of expansion joints and the third layer of expansion joints after filling the plastic filler in the plastic filler layer;
step 6, pouring right brake bottom plates at adjacent positions;
and 7, pouring gate slot second-stage concrete together with the gate bottom rail and the vertical red copper water seal extending out of the transverse red copper water seal of the L-shaped water seal connecting piece.
8. The construction method of the vertical water stop structure at the bottom of the sluice trough according to claim 7, wherein in the step 2, the lap length of the lap-joint glue joint is more than or equal to 10cm.
9. The method for constructing the vertical water stop structure at the bottom of the sluice trough according to claim 7, wherein in the step 5, the material of the expansion joint is a closed-cell polyethylene foam material.
10. The method for constructing a vertical water stop structure at the bottom of a sluice trough according to claim 7, wherein in the step 5, the plastic filler is asphalt mortar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110063818.8A CN112854146A (en) | 2021-01-18 | 2021-01-18 | Vertical water stop structure at bottom of sluice trough and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110063818.8A CN112854146A (en) | 2021-01-18 | 2021-01-18 | Vertical water stop structure at bottom of sluice trough and construction method thereof |
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| CN112854146A true CN112854146A (en) | 2021-05-28 |
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| CN202110063818.8A Pending CN112854146A (en) | 2021-01-18 | 2021-01-18 | Vertical water stop structure at bottom of sluice trough and construction method thereof |
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| CN115305883A (en) * | 2022-08-25 | 2022-11-08 | 山西省水利建筑工程局集团有限公司 | Vertical water stop structure at bottom of sluice trough and construction method thereof |
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Application publication date: 20210528 |