CN211113471U - Dam peripheral joint stagnant water structure - Google Patents

Dam peripheral joint stagnant water structure Download PDF

Info

Publication number
CN211113471U
CN211113471U CN201922078819.0U CN201922078819U CN211113471U CN 211113471 U CN211113471 U CN 211113471U CN 201922078819 U CN201922078819 U CN 201922078819U CN 211113471 U CN211113471 U CN 211113471U
Authority
CN
China
Prior art keywords
copper sheet
water stop
waterproof
waterproof rope
joint
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.)
Expired - Fee Related
Application number
CN201922078819.0U
Other languages
Chinese (zh)
Inventor
姜楚
梁经纬
李金友
宋子龙
付仕余
杨媛丽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Water Resources And Hydropower Research Institute
Original Assignee
Hunan Water Resources And Hydropower Research Institute
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hunan Water Resources And Hydropower Research Institute filed Critical Hunan Water Resources And Hydropower Research Institute
Priority to CN201922078819.0U priority Critical patent/CN211113471U/en
Application granted granted Critical
Publication of CN211113471U publication Critical patent/CN211113471U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Revetment (AREA)

Abstract

The utility model discloses a dam circumferential joint water stop structure, which comprises a toe board, a reinforced concrete panel, a bottom water stop copper sheet, a protective cover, water stop filler, an asphalt sand cushion layer and a circumferential joint, wherein the bottom water stop copper sheet is formed by sequentially welding a plurality of copper sheet units with the same structure end to end, a water stop plug is inserted at an upper end opening of the circumferential joint, the water stop filler is filled at an upper end opening of the circumferential joint between the protective cover and the water stop plug, a water stop filler strip matched with the water stop plug is inserted at the lower part of the circumferential joint, a protective rod is arranged between the bottom water stop copper sheet and the water stop filler strip, the regions of the toe board side wall and the bottom of the reinforced concrete panel and the bottom of the bottom water stop copper sheet are provided with the asphalt sand cushion layer, the protective rod of the utility model has the protective function of protecting the bottom water stop copper sheet and, and the connection between the layers is utilized to play a good role in preventing leakage of the peripheral seams.

Description

Dam peripheral joint stagnant water structure
Technical Field
The utility model relates to a peripheral stagnant water structure technical field of dam specifically is a dam all circumferential weld stagnant water structure.
Background
When the leakage amount of the concrete panel rock-fill dam is measured, the leakage amount is gradually increased along with the rising of the reservoir water level, and the leakage amount of the peripheral seam of the concrete panel rock-fill dam is abnormally increased through inspection. Practice proves that the peripheral joint is a main water leakage channel of the concrete panel rock-fill dam, so that once the peripheral joint water stop structure is damaged, a leakage channel is formed, and an anti-seepage system fails, so that a reasonable and effective peripheral joint water stop structure needs to be selected.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dam all circumferential weld stagnant water structure is in order to solve the problem that proposes in the above-mentioned background art.
In order to achieve the purpose, the utility model provides a dam circumferential joint sealing structure, including toe board, reinforced concrete panel, bottom stagnant water copper sheet, safety cover, stagnant water filler, pitch sand bed course and circumferential joint, the cross-section of circumferential joint upper end opening part is the triangle-shaped structure, and the safety cover passes through stainless steel expansion bolt to be fixed in the peripheral position department of the upper end opening part of circumferential joint, bottom stagnant water copper sheet is formed by the head and the tail welding in proper order of a plurality of copper sheet unit that the structure is the same, the copper sheet unit is "nearly" style of calligraphy structure, and the top of copper sheet unit inserts in the circumferential joint bottom, and the connecting portion that is located the bottom left and right sides of copper sheet unit all is connected with the support wing of the "┐" type structure of mutual symmetry, connecting portion and support wing integrated into one piece, one of them support wing extends perpendicularly to the fixed slot of establishing on the toe board, another support wing extends perpendicularly to the fixed slot of establishing on the reinforced concrete panel, and two fixed slots all are located the support wing bottom is equipped with the expansion sealing strip, the upper end of circumferential joint is inserted and is equipped with the stagnant water plug and is equipped with the sealing rod sealing strip of stagnant water filler, and the sealing strip is equipped with the sealing strip bottom sealing up the sealing strip, and sealing strip is equipped with the sealing strip of the sealing strip, the sealing strip is equipped with the sealing strip, the sealing strip bottom of the sealing strip is equipped with the sealing strip, and sealing strip of the sealing strip, the sealing strip is equipped with the sealing strip, the sealing strip of the sealing strip, the sealing strip is equipped with the sealing strip, the sealing strip is equipped with the sealing strip.
Preferably, the front end of the copper sheet unit is of an arrow-shaped structure, and the other end of the copper sheet unit is provided with a triangular limiting bayonet of a triangular structure matched with the front end.
Preferably, the water-stopping filling strip and the water-stopping plug are both made of chloroprene rubber materials.
Preferably, a stainless steel wire mesh is arranged in the asphalt sand cushion layer, the top end of the stainless steel wire mesh is connected with the reinforced concrete panel, the left side of the stainless steel wire mesh is connected with the toe board, and the asphalt sand cushion layer is poured on the stainless steel wire mesh.
Preferably, the toe boards, the reinforced concrete panels and the asphalt sand cushion layer are provided with connecting layers at the joints, and the connecting layers are made of mastic caulking materials.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) in the utility model, the upper opening of the peripheral joint is inserted with a water stop plug, the cross section of the water stop plug is of an inverted triangle structure matched with the upper opening of the peripheral joint, the upper opening of the peripheral joint is positioned between the protective cover and the water stop plug and is filled with water stop filler, under the action of water pressure, the water stop plug moves downwards at the upper opening of the peripheral joint, and the water stop plug is of a triangle structure, so that the water stop plug can not be separated from the upper opening of the peripheral joint in the descending process, and is clamped at the opening of the peripheral joint when the water stop plug descends to a certain position, the water stop filler positioned on the water stop plug has fluidity and is filled into the gap between the water stop plug and the upper opening of the peripheral joint to play the effect of primary water stop, the peripheral joint is positioned below the water stop plug and is inserted with a water stop filler strip matched with the peripheral joint, the stagnant water is filled the strip and is further played the effect that blocks water, the peripheral joint is located and is equipped with the protection stick between bottom stagnant water copper sheet and the stagnant water packing strip, and the bottom lateral wall and the bottom stagnant water copper sheet contact of protection stick, leaves the clearance that is used for filling GB flexible filler between the upper end of protection stick and the stagnant water packing strip, the flexible material seepage prevention performance of GB flexible filler is excellent, ageing-resistant, and is strong at the water pressure fluidity, and the plasticity is big, and has strong with concrete face cohesiveness, and the autohension is good, and the elongation is big etc. characteristics can fill up the clearance between protection stick and the bottom stagnant water copper sheet, prevent water and bottom stagnant water copper sheet contact to can play fine waterproof effect.
(2) The utility model discloses in the protection stick is formed by metal zinc processing, and the position that bottom stagnant water copper sheet is located the inseparable periphery seam is corroded easily in humid environment, because the chemical property of zinc is than copper activity splashing, and so adopt the protection stick that metal zinc made to sacrifice zinc protection bottom stagnant water copper sheet.
(3) In the utility model, the front end of the copper sheet unit is in an arrow head type structure, the other end of the copper sheet unit is provided with a triangular limiting bayonet of a triangular structure matched with the front end, the dam is very long, the bottom water stop copper sheet is spliced by selecting the number of the copper sheet units according to the length of the dam, the existing splicing method adopts a plane splicing method, the welding seam is short, the welded copper sheet is easy to tear from the end part of the welding seam to generate a gap, the gap is easy to leak, the other end of the copper sheet unit is provided with a triangular limiting bayonet of a triangular structure matched with the front end, when welding, the front end of the second copper sheet unit is inserted into the rear end of the first copper sheet unit (namely inserted into the triangular limiting bayonet), then the two copper sheet units are welded, when the third copper sheet unit is welded, the front end of the third copper sheet unit is also inserted into the rear end of the second copper sheet unit and welded, and so on, and the welding method is to increase the welding seam length of the copper sheet unit and improve the welding strength.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the construction of the toe plate;
FIG. 3 is a structural top view of a bottom water stop copper sheet;
fig. 4 is a structural side view of the bottom water stop copper sheet.
In the figure: 1. a toe plate; 2. a reinforced concrete panel; 3. a bottom water stop copper sheet; 31. a copper sheet unit; 32. a connecting portion; 33. a support wing; 4. a water-swelling sealing strip when meeting water; 5. water stopping filling strips; 6. a protective cover; 7. water stopping filler; 8. a water stop plug; 9. GB flexible filler; 10. a protective bar; 11. a stainless steel wire mesh; 12. a bituminous sand mat layer; 13. a connecting layer; 14. peripheral seams; 15. fixing grooves; 16. a triangular limiting bayonet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The water-stop structure comprises a toe board 1, a reinforced concrete panel 2, a bottom water-stop copper sheet 3, a protective cover 6, a water-stop filler 7, an asphalt sand cushion 12 and a peripheral seam 14, wherein the cross section of the opening at the upper end of the peripheral seam 14 is of a triangular structure, the protective cover 6 is fixed at the peripheral position of the opening at the upper end of the peripheral seam 14 through a stainless steel expansion bolt, the protective cover 6 is a PVC cover plate, the water-stop filler 7 is fly ash or copper mine waste sand, the bottom water-stop copper sheet 3 is formed by sequentially welding a plurality of copper sheet units 31 with the same structure, the copper sheet units 31 are of a reversed U-shaped structure, the top of one copper sheet unit 31 is inserted into the bottom of the peripheral seam 14, connecting parts 32 on the left side and the right side of the bottom of the copper sheet unit 31 are connected with supporting wings 33 of mutually symmetrical '┐' shaped structures, the connecting parts 32 and the supporting wings 33 are integrally formed, one of the supporting wings 33 is vertically extended to the water-stop fixing groove 15 on the waterproof toe board 1, the supporting groove 15, the other supporting wing 33 is vertically arranged on the supporting wing 33, the waterproof supporting flange 7, the waterproof filler 7 is arranged on the waterproof steel waterproof filler, the waterproof filler 7, the waterproof filler 7 is arranged on the waterproof filler, the waterproof filler 14, the waterproof filler 14 is arranged on the waterproof filler, the waterproof filler 14 is arranged on the waterproof filler, the waterproof filler 14, the waterproof filler 14 is arranged on the waterproof filler, the waterproof filler is arranged on the waterproof filler, the waterproof filler 7 is arranged on the waterproof filler, the waterproof filler is arranged on the waterproof filler, the waterproof filler.
In this embodiment, the front end of the copper sheet unit 31 is an arrow-shaped structure, the other end of the copper sheet unit 31 is provided with a triangular limiting bayonet 16 with a triangular structure adapted to the front end, because the dam is very long, the bottom water-stop copper sheet 3 is spliced according to the number of the copper sheet units 31 selected according to the length of the dam, the existing splicing method adopts a plane splicing method, the welding seam is short, the welded copper sheet is easy to tear from the end of the welding seam to generate a gap, the gap is easy to leak water, because the front end of the copper sheet unit 31 is an arrow-shaped structure, the other end of the copper sheet unit 31 is provided with a triangular limiting bayonet 16 with a triangular structure adapted to the front end, during welding, the front end of the second copper sheet unit 31 is inserted into the rear end of the first copper sheet unit 31 (i.e. inserted into the triangular limiting bayonet 16), then the two copper sheet units 31 are welded, and during welding the third copper sheet, the front end of the third copper sheet unit 31 is also inserted into the rear end of the second copper sheet unit 31 and welded, and so on, by properly increasing the length of the welding seam of the copper sheet unit 31 and improving the welding strength.
In this embodiment, the water-stop filling strip 5 and the water-stop plug 8 are both made of neoprene material, so that the water-stop filling strip 5 and the water-stop plug 8 both have good physical and mechanical properties, such as: the water-stop filling strip has high tensile strength, high elongation, high reversible crystallinity and high aging resistance, and can prolong the service life of the water-stop filling strip 5 and the water-stop plug 8.
In this embodiment, be equipped with stainless steel net 11 in the pitch sand bed course 12, and stainless steel net 11's top is connected with reinforced concrete panel 2, and stainless steel net 11's left side is connected with toe board 1, pitch sand bed course 12 is pour on stainless steel net 11, has strengthened pitch sand bed course 12 intensity, improves its life.
In this embodiment, the toe boards 1 and the joints between the reinforced concrete panels 2 and the asphalt sand cushion 12 are provided with the connecting layers 13, and the connecting layers 13 made of mastic caulking material have excellent crack resistance and durability, and have certain flexibility, so that the dam structure is not pulled to crack when deformed. The mastic should also have sufficient adhesion to act as a self healing system.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (5)

1. A dam peripheral joint water stop structure comprises a toe board (1), a reinforced concrete panel (2), a bottom water stop copper sheet (3), a protective cover (6), a water stop filler (7), an asphalt sand cushion layer (12) and peripheral joints (14), the cross section of an opening at the upper end of the peripheral joints (14) is of a triangular structure, the protective cover (6) is fixed at the peripheral position of the opening at the upper end of the peripheral joints (14) through a stainless steel expansion bolt, the dam peripheral joint water stop structure is characterized in that the bottom water stop copper sheet (3) is formed by sequentially welding a plurality of copper sheet units (31) with the same structure end to end, the copper sheet units (31) are of a reversed U-shaped structure, the top of each copper sheet unit (31) is inserted into the bottom of the peripheral joints (14), connecting parts (32) on the left side and right side of the bottom of each copper sheet unit (31) are connected with supporting wings (33) of '┐' type structures which are symmetrical to each other, the connecting parts (32) of the supporting wings (32) and the supporting wings (33) are integrally formed, one of the supporting wing (33) extends to the waterproof joint water stop concrete panel (3) and is arranged between the waterproof joint water stop copper sheet (10), the waterproof rope (10) and the waterproof rope (10), the waterproof rope (10) is arranged on the protective cover (10), the protective joint water stop copper sheet (10), the waterproof rope (10) and the waterproof rope (10), the waterproof rope (10) is arranged on the protective cover (10), the waterproof joint (10), the waterproof rope (10) and the waterproof rope (10), the waterproof rope (10) and the waterproof rope (10) are arranged on the protective joint (10), the protective cover (10), the waterproof rope (10) and the waterproof rope (10) are arranged on the waterproof rope, the waterproof rope (10) and the waterproof rope, the waterproof rope (10) are arranged on the waterproof rope, the waterproof rope (10) and.
2. The dam peripheral joint sealing structure of claim 1, wherein: the front end of the copper sheet unit (31) is of an arrow-shaped structure, and the other end of the copper sheet unit is provided with a triangular limiting bayonet (16) of a triangular structure matched with the front end.
3. The dam peripheral joint sealing structure of claim 1, wherein: the water-stopping filling strip (5) and the water-stopping plug (8) are both made of chloroprene rubber materials.
4. The dam peripheral joint sealing structure of claim 1, wherein: be equipped with stainless steel net (11) in pitch sand bed course (12), and the top and the reinforced concrete panel (2) of stainless steel net (11) are connected, and the left side and the toe board (1) of stainless steel net (11) are connected, pitch sand bed course (12) are pour on stainless steel net (11).
5. The dam peripheral joint sealing structure of claim 1, wherein: the toe board (1) and the joint of the reinforced concrete panel (2) and the asphalt sand cushion layer (12) are both provided with connecting layers (13), and the connecting layers (13) are made of mastic caulking materials.
CN201922078819.0U 2019-11-27 2019-11-27 Dam peripheral joint stagnant water structure Expired - Fee Related CN211113471U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922078819.0U CN211113471U (en) 2019-11-27 2019-11-27 Dam peripheral joint stagnant water structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922078819.0U CN211113471U (en) 2019-11-27 2019-11-27 Dam peripheral joint stagnant water structure

Publications (1)

Publication Number Publication Date
CN211113471U true CN211113471U (en) 2020-07-28

Family

ID=71695707

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922078819.0U Expired - Fee Related CN211113471U (en) 2019-11-27 2019-11-27 Dam peripheral joint stagnant water structure

Country Status (1)

Country Link
CN (1) CN211113471U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114411635A (en) * 2022-02-16 2022-04-29 中国电建集团西北勘测设计研究院有限公司 Large-deformation water stop structure for joint of asphalt concrete panel and mounting method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114411635A (en) * 2022-02-16 2022-04-29 中国电建集团西北勘测设计研究院有限公司 Large-deformation water stop structure for joint of asphalt concrete panel and mounting method
CN114411635B (en) * 2022-02-16 2024-03-19 中国电建集团西北勘测设计研究院有限公司 Asphalt concrete panel and concrete panel joint large deformation water stop structure and installation method

Similar Documents

Publication Publication Date Title
CN103225285B (en) A kind of steel membrane rock
CN211113471U (en) Dam peripheral joint stagnant water structure
CN110005438B (en) Large-deformation tunnel cast-in-place structure design and construction method for crossing movable fault
CN107313341A (en) A kind of small bridge is from drainage type expansion gap device
CN212506437U (en) Induced joint system for basement exterior wall
CN206128319U (en) External wall construction seam stagnant water structure
CN110904924A (en) Horizontal seam connecting structure adapting to extrusion deformation of thick panel
CN210151600U (en) Road and bridge crack reinforced structure
CN209669813U (en) A kind of water delivery analysis on aqueduct structure seam leakage reparation structure
CN112854146A (en) Vertical water stop structure at bottom of sluice trough and construction method thereof
CN210049292U (en) Advanced water stop pouring belt structure for building
CN108660934B (en) Joint grout stopping device for steel-concrete combined section and construction method thereof
CN211312159U (en) Water leakage prevention trestle
CN214832926U (en) Construction joint structure of water-containing structure bottom plate
CN206015611U (en) The SR water sealing structures that a kind of connecting plate and cut-pff wall connect between stitching
CN110904925A (en) Horizontal seam connecting structure adapting to extrusion deformation of thin panel
CN109281292B (en) Method for repairing detachment crack of deep water concrete panel of reservoir
CN109972506B (en) Bridge expansion waterproof device based on special-shaped spring piece, and installation method and application thereof
CN207295432U (en) Small bridge is from drainage type expansion gap device
CN209652881U (en) Rock-fill dams periphery crack structure
CN220789862U (en) Post-cast strip pastes connection structure of post mound department
CN113047235A (en) Seepage-proofing panel for preventing extrusion damage of pressure vertical seam and seepage-proofing panel arrangement structure
CN206607495U (en) The sealing belting of bridge expanssion joint
CN206829383U (en) A kind of bracing means of steel plate for sealing water
CN206706685U (en) A kind of concrete water channel expanded joint structure

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200728