CN211596670U - Horizontal seam connecting structure adapting to extrusion deformation of thin panel - Google Patents
Horizontal seam connecting structure adapting to extrusion deformation of thin panel Download PDFInfo
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- CN211596670U CN211596670U CN201922321917.2U CN201922321917U CN211596670U CN 211596670 U CN211596670 U CN 211596670U CN 201922321917 U CN201922321917 U CN 201922321917U CN 211596670 U CN211596670 U CN 211596670U
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Abstract
The utility model provides a horizontal joint connection structure adapting to the extrusion deformation of a thin panel, which comprises a concrete panel, a steel sleeve, a steel bar, a joint filling material, a water stop copper sheet, a surface water stop structure, asphalt hemp threads and a horizontal joint; the concrete panels are obliquely arranged, a horizontal seam is arranged between every two adjacent concrete panels in the transverse direction, the steel bars penetrate through the horizontal seam to connect the two adjacent concrete panels, and joint filling materials are arranged in the horizontal seam; steel sleeves are arranged on two sides of the horizontal seam, the steel sleeves are positioned in the concrete panel, the steel bars are positioned in the steel sleeves, and asphalt hemp threads are filled in the steel sleeves; the water-stopping structure is characterized in that a surface water-stopping structure is arranged on the upstream surface of the horizontal seam, and a water-stopping copper sheet is arranged at the bottom of the horizontal seam. The utility model discloses can show when satisfying the prevention of seepage requirement and reduce near horizontal joint because thin panel extrusion and suffer the possibility of destruction, the safe operation of concrete panel in the high concrete panel rock-fill dam of guarantee.
Description
Technical Field
The utility model relates to a water conservancy science dam worker technical field, concretely relates to horizontal seam connection structure that adaptation thin face board extrusion warp.
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.
SUMMERY OF THE UTILITY MODEL
In order to overcome near current horizontal joint's thin panel destruction seriously, the problem of bending deformation takes place for the reinforcing bar, the utility model provides a horizontal joint connection structure who adapts to thin panel extrusion deformation, the utility model discloses set up the steel casing pipe in horizontal joint department, pack the pitch hemp silk in the steel casing pipe for near horizontal joint reinforcing bar and concrete separation can relative motion, and set up rubber tie plate bottom the horizontal joint, set up the stagnant water copper sheet on the rubber tie plate, the panel upstream face adopts the shutoff of surface stagnant water structure. The utility model discloses can show when satisfying the prevention of seepage requirement and reduce near horizontal joint because the panel extrusion suffers the possibility of destruction, the safe operation of concrete panel in the high concrete panel rock-fill dam of guarantee.
The utility model adopts the technical proposal that:
a horizontal joint connecting structure adapting to extrusion deformation of a thin panel comprises a concrete panel, a steel sleeve, a steel bar, a joint filling material, a water stop copper sheet, a surface water stop structure, asphalt hemp threads and a horizontal joint; the concrete panels are obliquely arranged, a horizontal seam is arranged between every two adjacent concrete panels in the transverse direction, the steel bars penetrate through the horizontal seam to connect the two adjacent concrete panels, and joint filling materials are arranged in the horizontal seam; steel sleeves are arranged on two sides of the horizontal seam, the steel sleeves are positioned in the concrete panel, the steel bars are positioned in the steel sleeves, and asphalt hemp threads are filled in the steel sleeves; the water-stopping structure is characterized in that a surface water-stopping structure is arranged on the upstream surface of the horizontal seam, and a water-stopping copper sheet is arranged at the bottom of the horizontal seam.
The number of the steel bars is at most two.
The length of the steel sleeve is 1 m.
The thickness range value of the concrete panel is as follows: 30cm-100 cm.
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 diameter of the steel sleeve is 1.1 times of that of the steel bar.
The joint filling material adopts composite asphalt filler.
The utility model has the advantages that:
the utility model discloses adopt surface stagnant water structure at the upstream face of concrete panel, set up the copper stagnant water piece and set up the rubber tie plate under the stagnant water copper piece in concrete panel bottom, satisfied the prevention of seepage requirement, ensure the safe operation of high concrete panel rock-fill dam.
The utility model discloses well steel casing sleeve cover is on the reinforcing bar near the horizontal joint and pack the pitch hemp silk in the sleeve pipe, makes near horizontal joint reinforcing bar and concrete panel separation, receives water pressure at the panel and produces when shifting, and near horizontal joint reinforcing bar can have certain activity space and at the outside one deck protective screen that forms of reinforcing bar, has avoided because the reinforcing bar evagination leads to the panel to destroy.
The utility model discloses a compound pitch stopping fills gaps, can absorb design displacement value, has reduced the displacement of horizontal joint under the high water head effect, has reduced the deformation degree of reinforcing bar.
The following will be further described with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the present invention applied to a horizontal seam structure of a panel.
In the figure: 1. a concrete panel; 2. steel casing; 3. reinforcing steel bars; 4. a caulking material; 5. water stopping copper sheets; 6. a base plate; 7. a surface water stopping structure; 8. asphalt hemp threads; 9. and (7) horizontally sewing.
Detailed Description
Example 1:
in order to overcome near current horizontal joint's thin panel destruction seriously, the problem of bending deformation takes place for the reinforcing bar, the utility model provides a horizontal seam connection structure who adapts to thin panel extrusion deformation as shown in fig. 1 and 2, the utility model discloses set up the steel casing pipe in horizontal joint department, pack the pitch hemp in the steel casing pipe for near horizontal joint reinforcing bar and concrete separation can relative motion, and set up rubber tie plate bottom the horizontal joint, set up the stagnant water copper sheet on the rubber tie plate, the panel upstream face adopts the shutoff of surface stagnant water structure. The utility model discloses can show when satisfying the prevention of seepage requirement and reduce near horizontal joint because the panel extrusion suffers the possibility of destruction, the safe operation of concrete panel in the high concrete panel rock-fill dam of guarantee.
A horizontal joint connection structure adapting to extrusion deformation of a thin panel comprises a concrete panel 1, a steel sleeve 2, a steel bar 3, a joint filling material 4, a water stop copper sheet 5, a surface water stop structure 7, asphalt hemp threads 8 and a horizontal joint 9; the concrete panels 1 are obliquely arranged, a horizontal seam 9 is arranged between every two adjacent concrete panels 1 in the transverse direction, the reinforcing steel bars 3 penetrate through the horizontal seam 9 to connect the two adjacent concrete panels 1, and gap filling materials 4 are arranged in the horizontal seams 9; two sides of the horizontal seam 9 are respectively provided with a steel sleeve 2, the steel sleeve 2 is positioned in the concrete panel 1, the steel bars 3 are positioned in the steel sleeve 2, and asphalt hemp threads 8 are filled in the steel sleeve 2; the water-stopping structure is characterized in that a surface water-stopping structure 7 is arranged on the upstream surface of the horizontal seam 9, and the water-stopping copper sheet 5 is arranged at the bottom of the horizontal seam 9.
The utility model discloses adopt surface stagnant water structure 7 in the upstream face of concrete panel 1, set up copper waterstop 5 in concrete panel 1 bottom, satisfied the prevention of seepage requirement, ensure the safe operation of high concrete panel rock-fill dam.
The utility model discloses adopt surface stagnant water structure 7 at the upstream face of concrete panel 1, can play the prevention of seepage effect, surface stagnant water structure 7's form is: 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.
The utility model discloses 2 covers of well steel casing are on reinforcing bar 3 near horizontal joint 9 and pack pitch hemp 8 in steel casing 2, make reinforcing bar 3 and the separation of concrete panel 1 near horizontal joint 9, receive water pressure at concrete panel 1 and produce when shifting, and near horizontal joint 9 reinforcing bar 3 can have certain activity space and at 3 outside formation one deck protective screens of reinforcing bar, avoided leading to the panel destruction because 3 evaginations of reinforcing bar.
The utility model discloses a pitch stopping fills gaps to horizontal joint 9, and the pitch stopping can absorb design displacement value, has reduced the displacement of horizontal joint under the high water head effect, has reduced the deformation degree of reinforcing bar.
Example 2:
based on embodiment 1, in this embodiment, the number of the reinforcing bars 3 is at most two.
The length of the steel sleeve 2 is 1 m.
The thickness range value of the concrete panel 1 is as follows: 30cm-100 cm.
The bottom of the concrete panel 1 is provided with a backing plate 6, the backing plate 6 is positioned at the horizontal seam 9, and the backing plate 6 is positioned below the water stop copper sheet 5.
The backing plate 6 is a rubber backing plate.
The diameter of the steel sleeve 2 is 1.1 times of that of the steel bar 3. The diameter of the steel sleeve 2 is larger than that of the steel bar 3, so that the steel bar 3 can move in the steel sleeve 2.
The width of the horizontal seam 9 is 1-2 cm.
The thickness of the water stop copper sheet 5 is 1.2 mm.
The joint filling material 4 adopts composite asphalt filler.
The utility model discloses in be equipped with horizontal joint 9 between two adjacent concrete panels 1, pack gap filler 4 in horizontal joint 9, gap filler 4's packing has reduced horizontal joint 9 and has shifted under the high water head effect, has reduced the deformation degree of reinforcing bar 3.
The utility model discloses well joint filling material 4 adopts compound pitch stopping, and compound pitch stopping can prevent seepage, absorb the requirement of design displacement value, has reduced the displacement of horizontal joint 9 under the high water head effect, has reduced the deformation degree of reinforcing bar 3. The utility model discloses in set up stagnant water copper sheet 5 in concrete panel 1 bottom, arrange the backing plate 6 of rubber under stagnant water copper sheet 5.
The utility model discloses adopt surface stagnant water structure 7 in the upstream face of concrete panel 1, set up copper waterstop 5 and set up the backing plate 6 of rubber under stagnant water copper sheet 5 in concrete panel 1 bottom, satisfied the prevention of seepage requirement, ensure the safe operation of high concrete panel rock-fill dam.
The utility model discloses 2 covers of well steel casing are on reinforcing bar 3 near horizontal joint 9 and pack pitch hemp 8 in steel casing 2, make near horizontal joint 9 reinforcing bar 3 and concrete panel 1 separation, receive water pressure at concrete panel 1 and produce when shifting, near horizontal joint 9 reinforcing bar 3 can have certain activity space and at 3 outside formation one deck protective screens of reinforcing bar, avoided because 3 evaginations of reinforcing bar lead to the panel to destroy. The utility model discloses a compound pitch stopping fills gaps to horizontal joint 9, and the design displacement value can be absorbed to compound pitch stopping, has reduced horizontal joint 9 and has shifted under the high water head effect, has reduced the deformation degree of reinforcing bar.
The above illustration is merely an illustration of the present invention, and does not limit the scope of the present invention, and all designs identical or similar to the present invention are within the scope of the present 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 an adaptation thin panel extrusion deformation's horizontal seam connection structure which characterized in that: the concrete waterproof structure comprises a concrete panel (1), a steel sleeve (2), a steel bar (3), a joint filling material (4), a water stop copper sheet (5), a surface water stop structure (7), asphalt hemp threads (8) and a horizontal joint (9); the concrete panels (1) are obliquely arranged, a horizontal seam (9) is arranged between every two adjacent concrete panels (1) in the transverse direction, the reinforcing steel bars (3) penetrate through the horizontal seam (9) to connect the two adjacent concrete panels (1), and a gap filling material (4) is arranged in the horizontal seam (9); two sides of the horizontal seam (9) are respectively provided with a steel sleeve (2), the steel sleeves (2) are positioned in the concrete panel (1), the steel bars (3) are positioned in the steel sleeves (2), and asphalt hemp threads (8) are filled in the steel sleeves (2); a surface water stopping structure (7) is arranged on the upstream surface of the horizontal seam (9), and the water stopping copper sheet (5) is arranged at the bottom of the horizontal seam (9).
2. A horizontal joint connection structure adapted to press deformation of a thin panel according to claim 1, wherein: the number of the steel bars (3) is at most two.
3. A horizontal joint connection structure adapted to press deformation of a thin panel according to claim 1, wherein: the length of the steel sleeve (2) is 1 m.
4. A horizontal joint connection structure adapted to press deformation of a thin panel according to claim 1, wherein: the thickness range value of the concrete panel (1) is as follows: 30cm-100 cm.
5. A horizontal joint connection structure adapted to press deformation of a thin panel according to claim 1, wherein: the concrete panel (1) bottom be provided with backing plate (6), backing plate (6) are located horizontal seam (9) department, and backing plate (6) are located stagnant water copper sheet (5) below.
6. A horizontal joint connection structure adapted to squeeze deformation of a thin panel according to claim 5, wherein: the backing plate (6) is a rubber backing plate.
7. A horizontal joint connection structure adapted to press deformation of a thin panel according to claim 1, wherein: the diameter of the steel sleeve (2) is 1.1 times of that of the steel bar (3).
8. A horizontal joint connection structure adapted to press deformation of a thin panel according to claim 1, wherein: the joint filling material (4) adopts composite asphalt filler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922321917.2U CN211596670U (en) | 2019-12-23 | 2019-12-23 | Horizontal seam connecting structure adapting to extrusion deformation of thin panel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922321917.2U CN211596670U (en) | 2019-12-23 | 2019-12-23 | Horizontal seam connecting structure adapting to extrusion deformation of thin panel |
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| CN211596670U true CN211596670U (en) | 2020-09-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110904925A (en) * | 2019-12-23 | 2020-03-24 | 中国电建集团西北勘测设计研究院有限公司 | Horizontal seam connecting structure adapting to extrusion deformation of thin panel |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110904925A (en) * | 2019-12-23 | 2020-03-24 | 中国电建集团西北勘测设计研究院有限公司 | Horizontal seam connecting structure adapting to extrusion deformation of thin panel |
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