CN110904924A - Horizontal seam connecting structure adapting to extrusion deformation of thick panel - Google Patents
Horizontal seam connecting structure adapting to extrusion deformation of thick panel Download PDFInfo
- Publication number
- CN110904924A CN110904924A CN201911333681.2A CN201911333681A CN110904924A CN 110904924 A CN110904924 A CN 110904924A CN 201911333681 A CN201911333681 A CN 201911333681A CN 110904924 A CN110904924 A CN 110904924A
- Authority
- CN
- China
- Prior art keywords
- horizontal
- joint
- horizontal joint
- panel
- concrete
- 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.)
- Pending
Links
Images
Classifications
-
- 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
- E02B7/02—Fixed barrages
- E02B7/04—Dams across valleys
- E02B7/06—Earth-fill dams; Rock-fill dams
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention provides a horizontal joint connecting structure adapting to extrusion deformation of a thick panel, which comprises a concrete panel, a reinforcing steel bar, a joint filling material, a water stop copper sheet, a surface water stop structure, an inter-joint shear structure and a horizontal joint; the concrete panels are obliquely arranged, the horizontal joint is arranged in the transverse direction of the concrete panels, the concrete panels on two sides of the horizontal joint are connected through reinforcing steel bars, and the surface water stopping structure is arranged on the upstream surface of the horizontal joint; the steel bar is in a structure shape of shearing resistance between the horizontal seams, and the water stop copper sheet is arranged at the bottom of the horizontal seams; and joint filling materials are arranged in the horizontal seams. The invention can meet the anti-seepage requirement, simultaneously remarkably reduce the possibility of damage to the vicinity of the horizontal joint due to the extrusion of the face plate, and ensure the safe operation of the concrete face plate in the high concrete face plate rock-fill dam.
Description
Technical Field
The invention relates to the technical field of water conservancy science dam workers, in particular to a horizontal joint connecting structure suitable for thick-faced plate extrusion deformation.
Background
With the implementation of the hydropower strategy, a large number of high dams are built, under construction or to be built in the southwest and northwest areas where water energy resources are abundant. The earth-rock dam is the most common dam type in the current dam construction, is also the dam type which develops the fastest, and mainly comprises a homogeneous earth dam, a core wall dam, a concrete panel rock-fill dam and the like.
The concrete faced rockfill dam is a dam type which takes a rockfill dam body as a supporting structure and is provided with a thin concrete face slab as an anti-seepage structure on the upstream surface. The technology of the concrete panel rock-fill dam is rapidly developed in recent years, the current building level of the concrete panel rock-fill dam reaches 200m (the maximum dam height of the water distribution is 233 m), several 250-300 m-level panel dams are under design and research, however, the panels of the high concrete panel dams are long and cannot be poured at one time, horizontal seams are often required to be arranged, the horizontal seams can generate large displacement under the action of a high water head, the large displacement can cause bending deformation of reinforcing steel bars near the horizontal seams, and due to the fact that the concrete panels and the reinforcing steel bars are bonded together, the protective layer of the concrete panel near the horizontal seams can crack and peel off, and then the panels are damaged.
Disclosure of Invention
In order to solve the problems that a thick panel near the existing horizontal seam is seriously damaged and a steel bar is bent and deformed, the invention provides the horizontal seam connecting structure suitable for the extrusion and deformation of the thick panel.
The technical scheme adopted by the invention is as follows:
a horizontal joint connecting structure adapting to thick panel extrusion deformation comprises a concrete panel, a reinforcing steel bar, a joint filling material, a water stop copper sheet, a surface water stop structure, an inter-joint shear structure and a horizontal joint; the concrete panels are obliquely arranged, the horizontal joint is arranged in the transverse direction of the concrete panels, the concrete panels on two sides of the horizontal joint are connected through reinforcing steel bars, and the surface water stopping structure is arranged on the upstream surface of the horizontal joint; the steel bar is in a structure shape of shearing resistance between the horizontal seams, and the water stop copper sheet is arranged at the bottom of the horizontal seams; and joint filling materials are arranged in the horizontal seams.
The number of the reinforcing steel bars is two, and the two reinforcing steel bars cross and penetrate through the horizontal joint to form an inter-joint shear-resistant structure.
The thickness of the water stop copper sheet is 1.2 mm.
The joint filling material is filled with asphalt filler.
The concrete panel bottom be provided with the backing plate, the backing plate is located horizontal seam department, and the backing plate is located stagnant water copper sheet below.
The backing plate is a rubber backing plate.
The width of the horizontal seam is 1-2 cm.
The thickness of the concrete panel is not less than 1 m.
The invention has the beneficial effects that:
the invention adopts the surface water stop structure on the upstream face of the concrete panel, the copper water stop sheet is arranged at the bottom of the concrete panel, and the rubber cushion plate is arranged below the copper water stop sheet, thereby meeting the anti-seepage requirement and ensuring the safe operation of the rock-fill dam with the high concrete panel.
The invention adopts the inter-seam shearing resistant structure between the horizontal seams, and the inter-seam steel bars cross and penetrate through the horizontal seams, thereby enhancing the inter-seam shearing resistant capability and reducing the shearing deflection.
The invention adopts the asphalt filler as the filling material in the horizontal joint, meets the requirements of seepage prevention and absorption of the designed displacement value, reduces the displacement of the horizontal joint under the action of a high water head, and reduces the deformation degree of the reinforcing steel bar.
The following will be further described with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the present invention as applied to a horizontal seam construction of a panel.
In the figure: 1. a concrete panel; 2. reinforcing steel bars; 3. a caulking material; 4. water stopping copper sheets; 5. a base plate; 6. a surface water stopping structure; 7. an inter-seam shear structure; 8. and (7) horizontally sewing.
Detailed Description
Example 1:
in order to solve the problems that a thick panel near the existing horizontal joint is seriously damaged and a steel bar is bent and deformed, the invention provides the horizontal joint connecting structure which is suitable for the extrusion deformation of the thick panel and is shown in figures 1 and 2.
A horizontal joint connecting structure adapting to thick panel extrusion deformation comprises a concrete panel 1, a steel bar 2, a joint filling material 3, a water stop copper sheet 4, a surface water stop structure 6, an inter-joint shear structure 7 and a horizontal joint 8; the concrete panel 1 is obliquely arranged, the horizontal joint 8 is arranged in the transverse direction of the concrete panel 1, the concrete panels 1 on two sides of the horizontal joint 8 are connected through the reinforcing steel bars 2, and the surface water stopping structure 6 is arranged on the upstream surface of the horizontal joint 8; the steel bar 2 is in a shape of an inter-seam shear-resistant structure 7 at the horizontal seam 8, and the water-stop copper sheet 4 is arranged at the bottom of the horizontal seam 8; and the horizontal seam 8 is internally provided with a gap filling material 3.
The invention adopts the surface water stop structure 6 on the upstream surface of the concrete panel 1, and the copper water stop sheet 4 is arranged at the bottom of the concrete panel 1, thereby meeting the anti-seepage requirement and ensuring the safe operation of the high concrete panel rock-fill dam.
The invention adopts the surface water stop structure 6 on the upstream side of the concrete panel 1, which can play the role of seepage prevention, and the form of the surface water stop structure 6 is as follows: the rubber rod is established to the seam, establishes rubber wave form waterstop on the rubber rod, and flexible material is filled in the space between the two, lays flexible material on the wave form waterstop, and the surface is sealed with reinforced rubber area, and the outside adopts the metal protection cover, packs the fly ash in the safety cover, and the safety cover adopts zinc-plated expansion bolts to fix to adopt banding agent banding.
According to the invention, the inter-joint shear-resistant structure 7 is adopted between the horizontal joints 8, so that the inter-joint shear-resistant capability is enhanced, and the shear displacement of the horizontal joints 8 is reduced, thereby reducing the deformation of the reinforcing steel bars 2, and avoiding the damage of the reinforcing steel bars 2 and the damage of the concrete panel 1 caused by the outward protrusion of the reinforcing steel bars 2.
According to the invention, the filling material 3 is filled in the horizontal joint 8, and the filling material 3 reduces the deflection of the horizontal joint under the action of a high water head and reduces the deformation degree of the steel bar 2. The invention effectively solves the problem that the panel near the horizontal seam is damaged due to the outward protrusion of the steel bars.
Example 2:
based on the embodiment 1, in this embodiment, there are two reinforcing bars 2, and the two reinforcing bars 2 will cross and pass through the horizontal seam 8 to form the inter-seam shear structure 7.
The thickness of the water stop copper sheet 4 is 1.2 mm.
The gap filling material 3 is filled with asphalt filler.
The bottom of the concrete panel 1 is provided with a backing plate 5, the backing plate 5 is positioned at the horizontal seam 8, and the backing plate 5 is positioned below the water stop copper sheet 4.
The backing plate 5 is a rubber backing plate.
The width of the horizontal seam 8 is 1-2 cm.
The thickness of the concrete panel 1 is not less than 1 meter.
According to the invention, the horizontal joint 8 is arranged between two adjacent concrete panels 1, the filling material 3 is filled in the horizontal joint 8, and the filling of the filling material 3 reduces the deflection of the horizontal joint under the action of a high water head and reduces the deformation degree of the steel bar 2.
The joint filling material 3 adopts the asphalt filling material, the asphalt filling material can prevent seepage and absorb the requirement of the design displacement value, the displacement of the horizontal joint 8 under the action of a high water head is reduced, and the deformation degree of the reinforcing steel bar 2 is reduced. According to the invention, the bottom of the concrete panel 1 is provided with the water-stop copper sheet 4, and the rubber backing plate 5 is arranged below the water-stop copper sheet 4.
According to the invention, the surface water stop structure 6 is adopted on the upstream surface of the concrete panel 1, the copper water stop sheet 4 is arranged at the bottom of the concrete panel 1, and the rubber base plate 5 is arranged below the water stop sheet 4, so that the anti-seepage requirement is met, and the safe operation of the high concrete panel rock-fill dam is ensured. The invention adopts the inter-seam shearing resistant structure 7 between the horizontal seams 8, and the inter-seam steel bars cross and penetrate through the horizontal seams, thereby enhancing the inter-seam shearing resistant capability and reducing the shearing deflection.
The above examples are merely illustrative of the present invention and should not be construed as limiting the scope of the invention, which is intended to be covered by the claims and any design similar or equivalent to the scope of the invention. The devices and their structural components not described in detail in this embodiment are well known in the art and commonly used in the industry, and will not be described herein.
Claims (8)
1. The utility model provides a horizontal seam connection structure that adaptation thick panel extrusion warp which characterized in that: the joint sealing structure comprises a concrete panel (1), reinforcing steel bars (2), a joint filling material (3), a water stopping copper sheet (4), a surface water stopping structure (6), an inter-joint shear structure (7) and a horizontal joint (8); the concrete panel (1) is obliquely arranged, the horizontal joint (8) is arranged in the transverse direction of the concrete panel (1), the concrete panels (1) on two sides of the horizontal joint (8) are connected through the reinforcing steel bars (2), and the surface water stopping structure (6) is arranged on the upstream surface of the horizontal joint (8); the steel bar (2) is in a shape of an inter-seam shear-resistant structure (7) at a horizontal seam (8), and the water-stop copper sheet (4) is arranged at the bottom of the horizontal seam (8); and joint filling materials (3) are arranged in the horizontal seams (8).
2. The horizontal joint connecting structure adapted to the crush deformation of the thick panel as set forth in claim 1, wherein: the number of the steel bars (2) is two, and the two steel bars (2) cross and penetrate through the horizontal joint (8) to form an inter-joint shear structure (7).
3. The horizontal joint connecting structure adapted to the crush deformation of the thick panel as set forth in claim 1, wherein: the thickness of the water stop copper sheet (4) is 1.2 mm.
4. The horizontal joint connecting structure adapted to the crush deformation of the thick panel as set forth in claim 1, wherein: the joint filling material (3) is filled with asphalt filler.
5. The horizontal joint connecting structure adapted to the crush deformation of the thick panel as set forth in claim 1, wherein: the concrete panel (1) bottom be provided with backing plate (5), backing plate (5) are located horizontal seam (8) department, and backing plate (5) are located stagnant water copper sheet (4) below.
6. The horizontal joint connecting structure adapted to the crush deformation of the thick panel as recited in claim 5, wherein: the backing plate (5) is a rubber backing plate.
7. The horizontal joint connecting structure adapted to the crush deformation of the thick panel as set forth in claim 1, wherein: the width of the horizontal seam (8) is 1-2 cm.
8. The horizontal joint connecting structure adapted to the crush deformation of the thick panel as set forth in claim 1, wherein: the thickness of the concrete panel (1) is not less than 1 meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911333681.2A CN110904924A (en) | 2019-12-23 | 2019-12-23 | Horizontal seam connecting structure adapting to extrusion deformation of thick panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911333681.2A CN110904924A (en) | 2019-12-23 | 2019-12-23 | Horizontal seam connecting structure adapting to extrusion deformation of thick panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110904924A true CN110904924A (en) | 2020-03-24 |
Family
ID=69827093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911333681.2A Pending CN110904924A (en) | 2019-12-23 | 2019-12-23 | Horizontal seam connecting structure adapting to extrusion deformation of thick panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110904924A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111676761A (en) * | 2020-06-15 | 2020-09-18 | 河海大学常州校区 | Bridge and road expansion joint filling method |
| CN111676762A (en) * | 2020-06-15 | 2020-09-18 | 河海大学常州校区 | Bridge and road expansion joint filling method |
-
2019
- 2019-12-23 CN CN201911333681.2A patent/CN110904924A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111676761A (en) * | 2020-06-15 | 2020-09-18 | 河海大学常州校区 | Bridge and road expansion joint filling method |
| CN111676762A (en) * | 2020-06-15 | 2020-09-18 | 河海大学常州校区 | Bridge and road expansion joint filling method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202298564U (en) | Anti-seismic and water-stopping structure for concrete face rock-fill dam | |
| CN103225285B (en) | A kind of steel membrane rock | |
| CN110904924A (en) | Horizontal seam connecting structure adapting to extrusion deformation of thick panel | |
| CN204703179U (en) | A kind of composite geo-membrane sloping core cofferdam | |
| CN110005438B (en) | Large-deformation tunnel cast-in-place structure design and construction method for crossing movable fault | |
| CN203034492U (en) | Reinforced concrete pipe ditch deformation seam | |
| CN208184005U (en) | A kind of vertical restricted type metal yield energy-consumption damper of release | |
| CN110904925A (en) | Horizontal seam connecting structure adapting to extrusion deformation of thin panel | |
| CN211113468U (en) | Concrete face dam surface layer seam prevention of seepage protective structure | |
| CN211596671U (en) | Horizontal seam connecting structure adapting to extrusion deformation of thick panel | |
| CN109356102B (en) | Asphalt concrete core wall and dam foundation impervious wall connecting structure | |
| CN211596670U (en) | Horizontal seam connecting structure adapting to extrusion deformation of thin panel | |
| CN113047235A (en) | Seepage-proofing panel for preventing extrusion damage of pressure vertical seam and seepage-proofing panel arrangement structure | |
| CN111156036A (en) | Novel plate anchor structure | |
| CN212248082U (en) | Reservoir seepage prevention structure | |
| CN211713897U (en) | Seepage-proofing structure of concrete faced rockfill dam | |
| CN211113471U (en) | Dam peripheral joint stagnant water structure | |
| CN211113528U (en) | Anti-arch plunge pool structure adapting to valley amplitude deformation | |
| CN210658748U (en) | Waterproof construction structure of building gap | |
| CN112301963A (en) | Stainless steel panel concrete combined anti-seepage structure and construction method thereof | |
| CN111305158A (en) | Seepage-proofing structure of concrete faced rockfill dam | |
| CN214695688U (en) | Impervious wall for deep covering layer | |
| CN215165307U (en) | Seepage-proofing panel for preventing extrusion damage of pressure vertical seam and seepage-proofing panel arrangement structure | |
| CN206829383U (en) | A kind of bracing means of steel plate for sealing water | |
| CN214531209U (en) | Concrete crack grouting repair reinforcing structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |