CN1074488C - Surface waterproof structure and method for enrockment dam with concrete face - Google Patents
Surface waterproof structure and method for enrockment dam with concrete faceInfo
- Publication number
- CN1074488C CN1074488C CN 99127395 CN99127395A CN1074488C CN 1074488 C CN1074488 C CN 1074488C CN 99127395 CN99127395 CN 99127395 CN 99127395 A CN99127395 A CN 99127395A CN 1074488 C CN1074488 C CN 1074488C
- Authority
- CN
- China
- Prior art keywords
- plastic filler
- plastic
- watertight seal
- concrete face
- rockfill dam
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- 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 - Lifetime
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Abstract
The present invention relates to a surface layer water stopping structure of a rockfill dam with a concrete surface in hydraulic and hydroelectric engineering, which comprises: the surface layer is provided with a plastic filler, the bottom of the surface layer is provided with rubber or a plastic rod or a pipe, and rubber or plastic water stop, wherein the rubber or the plastic rod or the pipe exerts a supporting effect on the plastic filler; the rubber or the plastic water stop exerts a sealing effect on the plastic filler; the top of the plastic filler is provided with a cover plate which can protect flexible rubber or plastics. The structure is a brand new nonliquid water stopping structure which has the water stopping mechanism that: various measureses of the structure aspect and the material aspect are adopted, so that in the process that a seam is opened, the plastic filler can be maintained on the surface layer under the action of water pressure to close the opened seam; therefore, the goal of stopping water is achieved, and engineering quality is increased.
Description
The present invention relates to Concrete Face Rockfill Dam not flow-type ones surface watertight seal form of structure in the Hydraulic and Hydro-Power Engineering, refer to a kind of surface watertight seal structure and method thereof of Concrete Face Rockfill Dam especially.
The existing concrete rock is with its safety, economic and construct fast that characteristics just worldwide obtain increasing the employing, this kind dam type water-stopping structure, sealing performance good, badly be directly connected to dam and can normally move; Connect the operation characteristic according to separately, the seam of Concrete Face Rockfill Dam can be divided into three types of all side seams, stretch-draw seam and tension seams, and is wherein the poorest with the service condition of all side seams, its design also the most the designer pay close attention to.In all side seams, from top to bottom, usually adopt three road sealing forms, Here it is surface watertight seal, middle level sealing (by rubber or plastics waterstop constitute, this road sealing also can omit) and bottom sealing (constituting by copper seal or stainless steel substrates usually), wherein surface watertight seal with its outstanding status extremely people pay attention to.
The overwhelming majority is that employing is the sealing form of core with plastic fillers such as GB, SR, IGAS at present in the surface watertight seal structure, the sealing mechanism of conventional surface watertight seal structure is: take the measure of various structure and materials aspect, plastic fillers such as GB, SR, IGAS are opened in the process in seam, can under the effect of water pressure, flow into and become silted up and fill out open seam, reach the purpose of sealing with this.Usually the method that adopts aspect structural measure is, sees Fig. 1: the top layer at panel 5 and toe board 4 is provided with plastic fillers 6 such as GB, SR, IGAS; and on this surface flexible rubber or plastics cover sheet 1 are set, be provided with in plastic filler 6 bottoms such as GB, SR, IGAS make plastic filler flow stable baffle 3, also the baffle 3 that the bottom is not set in many engineerings arranged.This form of structure easily causes seam to be pierced through by press water, present cellular, and the bad problem of stagnant water effect.
The objective of the invention is to: propose a kind of aspect sealing mechanism the form of structure of brand-new illiquidity sealing mechanism, its sealing mechanism is: take the measure of various structure and materials aspect, plastic fillers such as GB, SR, IGAS are opened in the process in seam, can under the effect of water pressure, remain on the top layer and do not flow, and open seam sealed, reach the purpose of sealing with this.
The present invention also aims to: use the form of structure of illiquidity sealing mechanism,, improve the surface watertight seal structure and the method thereof of a kind of Concrete Face Rockfill Dam in dam application life to improve the workmanship of dam.
The object of the present invention is achieved like this: a kind of surface watertight seal structure of Concrete Face Rockfill Dam; comprise that mainly plastic filler, support component, cover plate and potted component constitute; it is characterized in that: the top layer at panel, toe board is provided with plastic filler; its bottom is provided with the support component to plastic filler performance supporting role; and the potted component of plastic filler being brought into play sealing function; in addition, also be provided with the cover plate that to protect this plastic filler at the top of plastic filler.
A kind of surface watertight seal method of Concrete Face Rockfill Dam, it is characterized in that: earlier support component is placed on the seam top, each pre-buried angle steel or channel-section steel that has through hole in the concrete of upper surface both sides, toe board and the panel of seam, set bolt is located after passing above-mentioned through hole, and with the locking of rubber fastening band or plastics waterstop on pre-buried angle steel or channel-section steel, then plastic filler is filled on rubber fastening band or plastics waterstop, and between toe board and panel, at last cover plate is covered in the plastic filler, its dual-side locking gets final product on toe board and panel.
Purpose of the present invention also can be achieved through the following technical solutions: above-mentioned support component is that rubber bar, sticking plaster or pipe constitute the distance between the big what seam of its diameter; The diameter of above-mentioned rubber bar, sticking plaster or pipe is 50-100mm; Above-mentioned potted component is rubber fastening band or plastics waterstop, and its dual-side is provided with uniform through hole; Above-mentioned rubber fastening band or plastics waterstop are undaform; Above-mentioned rubber fastening band or plastics waterstop are the undaform waterstop with 4-6 ripple, thick 8-10mm.
The invention has the advantages that: sealing mechanism of the present invention is different fully with conventional sealing mechanism, this brand-new illiquidity sealing mechanism, make seam in the process of opening, can be under the effect of water pressure, plastic filler still remains on the top layer and does not flow, and open seam is sealed, and its stagnant water effect is good, the workmanship height, long service life.
Concrete structure of the present invention and implementation method further specify by the following drawings and embodiment:
Fig. 1, be the prior art structural representation
Fig. 2, be structural representation of the present invention
Fig. 3, be engineering construction illustration of the present invention
Fig. 4, be the structural representation of rubber fastening band among the present invention
Referring to Fig. 2; a kind of surface watertight seal structure of Concrete Face Rockfill Dam is: the top layer at panel 5, toe board 4 is provided with plastic fillers 6 such as GB, SR, IGAS; its bottom is provided with the rubber bar or the sticking plaster of plastic filler 6 performance supporting roles or manages 3; and rubber fastening band or the plastics waterstop 2 of plastic fillers such as GB, SR, IGAS 6 being brought into play sealing functions; in addition, be provided with the cover plate 1 that to protect flexible plastic filler 6 at the top of plastic fillers 6 such as GB, SR, IGAS.
In order to realize the sealing mechanism requirement of said structure form, on the one hand the rubber bar of plastic filler 6 bottoms such as GB, SR, IGAS or manage 3, should to have enough diameters large and small, to guarantee when seam 7 operations are opened, can resist the effect of water pressure, make rubber bar or manage 3 not to be pressed in the seam 7; On the other hand, the rubber fastening band of plastic filler 6 bottoms or plastics waterstop 2 should be able to adapt to the effect of water pressure and seam 7 displacements, to guarantee implementing effectively airtight to plastic filler 6.
The surface watertight seal method of Concrete Face Rockfill Dam is: earlier support component 3 is placed on seam 7 tops, upper surface both sides in seam 7, pre-buried angle steel or channel-section steel 8 in the concrete of toe board 4 and panel 5, angle steel or the punching of channel-section steel 8 upper surfaces also are provided with set bolt 9, with nut with on the bolt of rubber fastening band or plastics waterstop 2 lockings in pre-buried angle steel or channel-section steel 8, plastic filler 6 is filled on rubber fastening band or plastics waterstop 2 then, and between toe board 4 and panel 5, at last cover plate 1 is covered in the plastic filler 6, its dual-side locking gets final product on toe board 4 and panel 5.
Above-mentioned rubber fastening band or plastics waterstop 2 common forms are undulates, and what of waterstop 2 wave numbers should be guaranteed to reduce as much as possible, to satisfy because seam 7 is drawn the stress that moves and produced in waterstop 2.
Referring to Fig. 3, provided engineering construction illustration that adopts the not flow-type ones surface watertight seal form of structure that the present invention proposes, be provided with three road sealing forms among the figure, wherein surface watertight seal structure, middle level water-stopping structure 10 identical with Fig. 2 by rubber fastening band or plastics waterstop constitute, bottom water-stopping structure 11 is made of copper seal or stainless steel substrates.Undaform rubber fastening band 2 in the surface watertight seal structure among this embodiment, adopting diameter is the rubber bar of 50mm, and have 4 waves, thickness is the undaform rubber fastening band (seeing shown in Figure 4) of 8mm.
Claims (7)
1, a kind of surface watertight seal structure of Concrete Face Rockfill Dam; comprise that mainly plastic filler, support component, cover plate and potted component constitute; it is characterized in that: the top layer at panel, toe board is provided with plastic filler; its bottom is provided with the support component to plastic filler performance supporting role; and the potted component of plastic filler being brought into play sealing function; in addition, also be provided with the cover plate that to protect this plastic filler at the top of plastic filler.
2, a kind of surface watertight seal method of Concrete Face Rockfill Dam, it is characterized in that: earlier support component is placed on the seam top, upper surface both sides in seam, each pre-buried angle steel or channel-section steel that has through hole in the concrete of toe board and panel, set bolt is located after passing above-mentioned through hole, and with the locking of rubber fastening band or plastics waterstop on pre-buried angle steel or channel-section steel, then plastic filler is filled on rubber fastening band or plastics waterstop, and between toe board and panel, at last cover plate is covered in the plastic filler, its dual-side locking gets final product on toe board and panel.
3, the surface watertight seal structure of Concrete Face Rockfill Dam according to claim 1 is characterized in that: above-mentioned support component is that rubber bar, sticking plaster or pipe constitute the distance between the big what seam of its diameter.
4, the surface watertight seal structure of Concrete Face Rockfill Dam according to claim 3 is characterized in that: the diameter of above-mentioned rubber bar, sticking plaster or pipe is 50-100mm.
5, the surface watertight seal structure of Concrete Face Rockfill Dam according to claim 1 is characterized in that: above-mentioned potted component is rubber fastening band or plastics waterstop, and its dual-side is provided with uniform through hole.
6, the surface watertight seal structure of Concrete Face Rockfill Dam according to claim 5 is characterized in that: above-mentioned rubber fastening band or plastics waterstop are undaform.
7, the surface watertight seal structure of Concrete Face Rockfill Dam according to claim 6 is characterized in that: above-mentioned rubber fastening band or plastics waterstop are the undaform waterstop with 4-6 ripple, thick 8-10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99127395 CN1074488C (en) | 1999-12-30 | 1999-12-30 | Surface waterproof structure and method for enrockment dam with concrete face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99127395 CN1074488C (en) | 1999-12-30 | 1999-12-30 | Surface waterproof structure and method for enrockment dam with concrete face |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1256336A CN1256336A (en) | 2000-06-14 |
| CN1074488C true CN1074488C (en) | 2001-11-07 |
Family
ID=5284882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99127395 Expired - Lifetime CN1074488C (en) | 1999-12-30 | 1999-12-30 | Surface waterproof structure and method for enrockment dam with concrete face |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1074488C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2439359A1 (en) * | 2010-10-06 | 2012-04-11 | F.J. Aschwanden AG | Method for reinforcing concreted slabs for supporting elements |
| CN102155003B (en) * | 2011-03-16 | 2012-05-30 | 华北水利水电学院 | Toe board connecting structure of steel structure sandwich steel plate dam |
| CN104099942B (en) * | 2013-04-09 | 2017-06-27 | 上海市政工程设计研究总院（集团）有限公司 | A kind of underground reinforced concrete box culvert structure temporary plugging wall construction method |
| JP6320790B2 (en) * | 2014-02-21 | 2018-05-09 | 日本ヴィクトリック株式会社 | Expansion joints for concrete structures |
| CN103924554A (en) * | 2014-04-17 | 2014-07-16 | 黄河勘测规划设计有限公司 | Water stopping method of peripheral joint of concrete face rockfill dam built on deep covering layer |
| CN111576342B (en) * | 2019-04-03 | 2021-08-06 | 华北水利水电大学 | Asphalt repairing vehicle for repairing underwater cracks of concrete river levee |
-
1999
- 1999-12-30 CN CN 99127395 patent/CN1074488C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CN1256336A (en) | 2000-06-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING ZHONGSHUI KEHAILI ENGINEERING CO., LTD. Free format text: FORMER OWNER: KEHAILI NEW CONSTRUCTION MATERIALS DEVELOPMENT CO., LTD., BEIJING Effective date: 20050520 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20050520 Address after: 100038, Fuxing Road, Beijing Patentee after: zhongshui Kehaili Engineering Technology Co., Ltd., Beijing Address before: 100038 Beijing Road, Beijing Kehaili Development Co. Ltd. Patentee before: Beijing Kehaili New-Type Building Material Development Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20011107 |