CN102839689A - Large-deformation-adaptable water stop for use between sluice bottom and deep overburden layer foundation cutoff wall top, and construction method - Google Patents
Large-deformation-adaptable water stop for use between sluice bottom and deep overburden layer foundation cutoff wall top, and construction method Download PDFInfo
- Publication number
- CN102839689A CN102839689A CN2012103233381A CN201210323338A CN102839689A CN 102839689 A CN102839689 A CN 102839689A CN 2012103233381 A CN2012103233381 A CN 2012103233381A CN 201210323338 A CN201210323338 A CN 201210323338A CN 102839689 A CN102839689 A CN 102839689A
- Authority
- CN
- China
- Prior art keywords
- impervious wall
- formwork erection
- sealing
- situ concrete
- sluice
- 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
Abstract
In a large-deformation-adaptable anti-seepage water stop structure for use between a sluice bottom and a deep overburden layer foundation cutoff wall top, an inorganic interface binder (10) is coated on the contact face between a formwork erection cast-in-place concrete cutoff wall (2) and a slot hole poured cutoff wall (1), plastic water stop member (6) is arranged at one side of the formwork erection cast-in-place concrete cutoff wall (2), a copper water stop member (7) is arranged at the other side of the formwork erection cast-in-place concrete cutoff wall (2), the compression modulus of elasticity of a polyethylene closed-cell foam board is 2.4 plus or minus 5MPa, the height of a wall top cavity filled with the polyethylene closed-cell foam board is 30cm, and the widths of cavities on the two sides are 10cm. The invention mainly solves the problem of safe connection between the sluice bottom plate and the cutoff wall top when relative large vertical deformation (up to 6cm) and horizontal deformation (up to 2cm) occur to the deep overburden layer foundation sluice bottom plate concrete while relatively small deformation occurs to the cutoff wall top. The invention also discloses a construction method of the structure.
Description
Technical field
The present invention is the hydro-structure field, relates to the dark covering layer foundation wall top large deformation water seepage prevention in a kind of sluice bottom.The invention still further relates to the job practices of this sluice bottom dark covering layer basis impervious wall top large deformation sealing.
Background technology
The sluice of construction on dark covering layer (overburden cover is greater than 30m) basis; When concrete cut is adopted in basic antiseepage; Because the effect of load in sluice construction and the running, sluice basis will inevitably produce bigger vertical and horizontal distortion, so must adopt the water-stopping structure that adapts to large deformation between impervious wall top and the sluice bottom; Make the load of sluice not pass or pass to less as far as possible on the concrete cut top, in order to avoid influence the attachment security of impervious wall and sluice bottom.This construction large deformation (vertically reach 6cm, level reaches 2cm) water seepage prevention structure between sluice plate on dark covering layer (overburden cover is greater than the 30m) basis and impervious wall push up does not have the experience that can directly adopt.
Summary of the invention
The objective of the invention is to overcome above-mentioned existing disadvantages of background technology part; Research and develop out a kind of sluice bottom dark covering layer basis impervious wall top large deformation sealing; It mainly solves, and dark covering layer base water gate floor concrete takes place greatly vertically and horizontal distortion (vertically reaches 6cm; Level reaches 2cm) and impervious wall top distortion is hour, the attachment security problem between gate floor pushes up with impervious wall.Require the connecting portion potential energy to adapt to large deformation, water-tight, and can not make the sluice Load Transfer, prevent that impervious wall from destroying to the impervious wall top.
Another object of the present invention provides the job practices of a kind of sluice bottom dark covering layer basis impervious wall top large deformation sealing.
First purpose of the present invention reaches through following measure: sluice of the present invention bottom dark covering layer basis impervious wall top large deformation sealing; It is characterized in that scribbling inorganic interface glue at the contact surface that formwork erection cast-in-situ concrete impervious wall and slotted eye are built between the impervious wall; And build at formwork erection cast-in-situ concrete impervious wall and slotted eye and to have bar planting to be connected between the impervious wall; Both sides at formwork erection cast-in-situ concrete impervious wall are provided with the sealing sheet, in formwork erection cast-in-situ concrete impervious wall top and both sides cavity, adopt polyvinyl closed-cell foam plate to fill; Side at said formwork erection cast-in-situ concrete impervious wall is provided with plastics sealing sheet; Opposite side at formwork erection cast-in-situ concrete impervious wall is provided with the Copper water stop sheet; The modulus of elasticity in comperssion of said polyvinyl closed-cell foam plate is 2.4 ± 5MPa; The wall head space chamber height that said employing polyvinyl closed-cell foam plate is filled is 30cm, and the both sides cavity width is 10cm.
In above-mentioned water-stopping structure, the middle part of said plastics sealing sheet is positioned at polyvinyl closed-cell foam plate, and an end of plastics sealing sheet is positioned at the sluice plate concrete, and the other end of plastics sealing sheet is positioned at formwork erection cast-in-situ concrete impervious wall.
In above-mentioned water-stopping structure, the middle part of said Copper water stop sheet is filled with PVC cement, and an end of Copper water stop sheet is fixed in the sluice plate concrete, and the other end of Copper water stop sheet is positioned at formwork erection cast-in-situ concrete impervious wall.
In above-mentioned water-stopping structure, said bar planting comprises straight muscle and inverted U-shaped muscle.
In above-mentioned water-stopping structure, said plastics sealing sheet is a center open sealing sheet, and sealing sheet thickness is 6mm, and sealing nose vertical section height is 10cm, and sealing nose width is 5cm,
In above-mentioned water-stopping structure, said Copper water stop sheet thickness is 1.2mm, and sealing nose vertical section height is 7.5cm, and sealing nose width is 4cm.
The job practices of sluice of the present invention bottom dark covering layer basis impervious wall top large deformation sealing, it comprises the steps:
1. at slotted eye concreting impervious wall top formwork erection cast-in-situ concrete impervious wall, formwork erection cast-in-situ concrete impervious wall is built with slotted eye and is adopted inorganic interface glue and bar planting to be connected between the impervious wall;
2. when formwork erection cast-in-situ concrete impervious wall, plastics sealing sheet and Copper water stop sheet are established in both sides, make plastics sealing sheet and Copper water stop sheet be fixed on formwork erection cast-in-situ concrete impervious wall both sides;
3. the removing surface of formwork erection cast-in-situ concrete impervious wall is clean; And after making dry tack free; At formwork erection cast-in-situ concrete impervious wall top and both sides filling polyvinyl chloride clay and polyvinyl closed-cell foam plate, polyvinyl closed-cell foam plate should be filled closely knit, and should contact between the sealing sheet closely;
4. mounting template and build sluice plate bottom concrete;
5. bedding cavity top concrete precast plate.
The special water seepage prevention structure design of sluice of the present invention bottom dark covering layer basis impervious wall top large deformation twice adapt to the sealing sheet of moderate finite deformation; And fill the polyvinyl closed-cell foam plate deformation layer that adapts to moderate finite deformation with the both sides design on impervious wall top; Simple in structure, technology is reliable, and is economical and practical; Dark covering layer base water gate floor and basic impervious wall top sealing connectivity problem have effectively been solved; Can adapt to the vertically big and horizontal distortion (vertically reach 6cm, level reaches 2cm) in sluice bottom, guarantee the water seepage prevention effect of junction.
Prove that through numerical analysis and model testing water seepage prevention structure technology of the present invention is reasonable.
Description of drawings
Fig. 1 is a sluice of the present invention bottom dark covering layer basis impervious wall top large deformation sealing sectional drawing.
Fig. 2 is a plastics sealing sheet sketch map.
Fig. 3 is a Copper water stop sheet sketch map.
Among the figure: 1. slotted eye concreting impervious wall, 2. formwork erection cast-in-situ concrete impervious wall, 3. sluice concrete floor, 4. concrete prefabricated board; 5. polyvinyl closed-cell foam plate, 6. plastics sealing sheet, 7. Copper water stop sheet, 8. PVC cement; 9. sandy gravel bed course, 10. interface adhesive glue, 11. bar plantings (reinforcing bar); H. thickness, G. sealing nose vertical section height, K. sealing nose width.
The specific embodiment
Specify performance of the present invention below in conjunction with accompanying drawing, but they do not constitute to qualification of the present invention, only do for example, simultaneously through explain advantage of the present invention will become clear more with understand easily.
Consulting accompanying drawing can know: sluice of the present invention bottom dark covering layer basis impervious wall top large deformation sealing; It comprises sandy gravel bed course 9; At sandy gravel bed course 9 grooved hole concreting impervious walls 1; At slotted eye concreting impervious wall 1 top formwork erection cast-in-situ concrete impervious wall 2 is arranged, the contact surface of building between the impervious wall 1 at formwork erection cast-in-situ concrete impervious wall 2 and slotted eye has inorganic interface glue 10, has bar planting 12 to lay respectively at formwork erection cast-in-situ concrete impervious wall 2 and builds in the impervious wall 1 with slotted eye; Both sides at formwork erection cast-in-situ concrete impervious wall 2 are provided with the sealing sheet, in formwork erection cast-in-situ concrete impervious wall 2 tops and both sides cavity, adopt polyvinyl closed-cell foam plate 5 to fill; Side at said formwork erection cast-in-situ concrete impervious wall 2 is provided with plastics sealing sheet 6, is provided with Copper water stop sheet 7 at the opposite side of formwork erection cast-in-situ concrete impervious wall 2.
The job practices of sluice of the present invention bottom dark covering layer basis impervious wall top large deformation sealing comprises the steps:
1. at slotted eye concreting impervious wall 1 top formwork erection cast-in-situ concrete impervious wall 2, formwork erection cast-in-situ concrete impervious wall 2 is built with slotted eye and is adopted inorganic interface glue 11 and bar planting 12 to be connected between the impervious wall 1;
2. when formwork erection cast-in-situ concrete impervious wall 2, plastics sealing sheet 6 and Copper water stop sheet 7 are established in both sides, make plastics sealing sheet 6 and Copper water stop sheet 7 be fixed on formwork erection cast-in-situ concrete impervious wall 2 both sides;
3. 2 removing surfaces of formwork erection cast-in-situ concrete impervious wall are clean; And after making dry tack free; At formwork erection cast-in-situ concrete impervious wall 2 tops and both sides filling polyvinyl chloride clay 8 and polyvinyl closed-cell foam plate 5, polyvinyl closed-cell foam plate 5 should be filled closely knit, and should contact between the sealing sheet closely;
4. mounting template and build sluice plate bottom concrete 3;
5. bedding cavity top concrete precast plate 4.
Material of selecting for use among the present invention and material property thereof:
1) the sealing sheet is established in both sides, impervious wall top, is respectively plastics sealing sheet and Copper water stop sheet, and two kinds of sealing sheet patterns all can adapt to vertically big and horizontal distortion; Wherein, Plastics sealing sheet low price, economical and practical, Copper water stop sheet tensile strength is high, durable in use, safe and reliable, adopts the water seepage prevention structure of two kinds of sealing sheet combinations; Taken into account economy and security reliability, the Main physical performance indications of two kinds of sealing sheets are seen table 1 and table 2 respectively;
Table 1 plastics sealing sheet mechanics index of physics table
Table 2 Copper water stop sheet mechanics index of physics table
2) cavity is established in impervious wall top and both sides, and adopts polyvinyl closed-cell foam plate to fill, and wall head space chamber height is 30cm, and the both sides cavity width is 10cm.
Polyvinyl closed-cell foam plate is economical and practical, and modulus of elasticity in comperssion is little, is 2.4 ± 5MPa, can adapt to the requirement of impervious wall top and both sides cavity large deformation, and its Main physical performance indications are seen shown in the table 3.
Table 3 polyvinyl closed-cell foam plate requires the physical index table
Plastics sealing sheet is a center open sealing sheet, and thickness is 6mm, and sealing nose vertical section height is 10cm, and sealing nose width is 5cm, shown in accompanying drawing 2.Said Copper water stop sheet thickness is 1.2mm, and sealing nose vertical section height is 7.5cm, and sealing nose width is 4cm, shown in accompanying drawing 3.
Claims (7)
1. the dark covering layer in sluice bottom basis impervious wall top large deformation sealing; It is characterized in that scribbling inorganic interface glue (10) at the contact surface that formwork erection cast-in-situ concrete impervious wall (2) and slotted eye are built between the impervious wall (1); And build at formwork erection cast-in-situ concrete impervious wall and slotted eye and to have bar planting to be connected (12) between the impervious wall; Both sides at formwork erection cast-in-situ concrete impervious wall (2) are provided with the sealing sheet, in formwork erection cast-in-situ concrete impervious wall (2) top and both sides cavity, adopt polyvinyl closed-cell foam plate (5) to fill; Side at said formwork erection cast-in-situ concrete impervious wall (2) is provided with plastics sealing sheet (6); Opposite side at formwork erection cast-in-situ concrete impervious wall (2) is provided with Copper water stop sheet (7); The modulus of elasticity in comperssion of said polyvinyl closed-cell foam plate is 2.4 ± 5MPa; The wall head space chamber height that said employing polyvinyl closed-cell foam plate is filled is 30cm, and the both sides cavity width is 10cm.
2. sluice according to claim 1 bottom dark covering layer basis impervious wall top large deformation sealing; The middle part that it is characterized in that said plastics sealing sheet (6) is positioned at polyvinyl closed-cell foam plate (5); One end of plastics sealing sheet (6) is positioned at sluice plate concrete (3), and the other end of plastics sealing sheet (6) is fixed in the formwork erection cast-in-situ concrete impervious wall (2).
3. sluice according to claim 1 bottom dark covering layer basis impervious wall top large deformation sealing; The middle part that it is characterized in that said Copper water stop sheet (7) is filled with PVC cement (8); One end of Copper water stop sheet (7) is fixed in the sluice plate concrete (3), and the other end of Copper water stop sheet (7) is fixed in the formwork erection cast-in-situ concrete impervious wall (2).
4. according to claim 2 or 3 described sluice bottom dark covering layer basis impervious wall top large deformation sealings, it is characterized in that said bar planting (12) comprises straight muscle and inverted U-shaped muscle.
5. sluice according to claim 2 bottom dark covering layer basis impervious wall top large deformation sealing; It is characterized in that said plastics sealing sheet (6) is a center open sealing sheet; Sealing sheet thickness (H) is 6mm; Sealing nose vertical section height (G) is 10cm, and sealing nose width (K) is 5cm.
6. dark covering layer basis impervious wall top large deformation sealing in sluice according to claim 3 bottom is characterized in that said Copper water stop sheet (7) thickness (H) is 1.2mm, and sealing nose vertical section height (G) is 7.5cm, and sealing nose width (K) is 4cm.
7. the job practices of the dark covering layer in sluice bottom basis impervious wall top large deformation sealing is characterized in that it comprises the steps:
1. at slotted eye concreting impervious wall (1) top formwork erection cast-in-situ concrete impervious wall (2), formwork erection cast-in-situ concrete impervious wall (2) is built with slotted eye and is adopted inorganic interface glue (11) and bar planting (12) to be connected between the impervious wall (1);
2. when formwork erection cast-in-situ concrete impervious wall (2), plastics sealing sheet (6) and Copper water stop sheet (7) are established in both sides, make plastics sealing sheet (6) and Copper water stop sheet (7) be fixed on formwork erection cast-in-situ concrete impervious wall (2) both sides;
3. formwork erection cast-in-situ concrete impervious wall (2) removing surface is clean; And after making dry tack free; At formwork erection cast-in-situ concrete impervious wall (2) top and both sides filling polyvinyl chloride clay (8) and polyvinyl closed-cell foam plate (5); Polyvinyl closed-cell foam plate (5) should be filled closely knit, and should contact between the sealing sheet closely;
4. mounting template and build sluice plate bottom concrete (3);
5. bedding cavity top concrete precast plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103233381A CN102839689A (en) | 2012-09-04 | 2012-09-04 | Large-deformation-adaptable water stop for use between sluice bottom and deep overburden layer foundation cutoff wall top, and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103233381A CN102839689A (en) | 2012-09-04 | 2012-09-04 | Large-deformation-adaptable water stop for use between sluice bottom and deep overburden layer foundation cutoff wall top, and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102839689A true CN102839689A (en) | 2012-12-26 |
Family
ID=47367391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103233381A Pending CN102839689A (en) | 2012-09-04 | 2012-09-04 | Large-deformation-adaptable water stop for use between sluice bottom and deep overburden layer foundation cutoff wall top, and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102839689A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103225283A (en) * | 2013-04-24 | 2013-07-31 | 黄河勘测规划设计有限公司 | Connection structure of barrage foundation diaphragm wall and gate dam building |
| CN104480973A (en) * | 2014-12-23 | 2015-04-01 | 江苏省水利建设工程有限公司 | Copper sheet post-embedding type water stop construction method of underground waterproof project |
| CN109267544A (en) * | 2018-10-11 | 2019-01-25 | 湖北省水利水电规划勘测设计院 | One kind wearing dike box culvert and dyke seepage control enclosed construction |
| CN113684850A (en) * | 2021-10-26 | 2021-11-23 | 山东水利建设集团有限公司 | Novel connection structure of foundation ditch cut-off wall |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100986300B1 (en) * | 2010-01-25 | 2010-10-07 | 준이앤씨(주) | Water-proofing plate unit for concrete and construction method of concrete structure using that |
| CN201857617U (en) * | 2010-11-04 | 2011-06-08 | 广州市水务规划勘测设计研究院 | Seepage-proofing structure and waterproof structure for hydraulic architecture foundation |
| CN202298668U (en) * | 2011-10-13 | 2012-07-04 | 中国市政工程华北设计研究总院 | I-shaped multilayer waterproof-rubber water stop |
-
2012
- 2012-09-04 CN CN2012103233381A patent/CN102839689A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100986300B1 (en) * | 2010-01-25 | 2010-10-07 | 준이앤씨(주) | Water-proofing plate unit for concrete and construction method of concrete structure using that |
| CN201857617U (en) * | 2010-11-04 | 2011-06-08 | 广州市水务规划勘测设计研究院 | Seepage-proofing structure and waterproof structure for hydraulic architecture foundation |
| CN202298668U (en) * | 2011-10-13 | 2012-07-04 | 中国市政工程华北设计研究总院 | I-shaped multilayer waterproof-rubber water stop |
Non-Patent Citations (1)
| Title |
|---|
| 曾力等: "开县水位调节坝防渗墙与闸坝底部柔性接头研究", 《水力发电》, vol. 36, no. 8, 12 August 2010 (2010-08-12) * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103225283A (en) * | 2013-04-24 | 2013-07-31 | 黄河勘测规划设计有限公司 | Connection structure of barrage foundation diaphragm wall and gate dam building |
| CN103225283B (en) * | 2013-04-24 | 2015-08-19 | 黄河勘测规划设计有限公司 | The syndeton of barrage foundation diaphragm wall and gate dam building |
| CN104480973A (en) * | 2014-12-23 | 2015-04-01 | 江苏省水利建设工程有限公司 | Copper sheet post-embedding type water stop construction method of underground waterproof project |
| CN104480973B (en) * | 2014-12-23 | 2016-04-27 | 江苏省水利建设工程有限公司 | Embedding copper sheet water stop construction method after underground waterproof engineering |
| CN109267544A (en) * | 2018-10-11 | 2019-01-25 | 湖北省水利水电规划勘测设计院 | One kind wearing dike box culvert and dyke seepage control enclosed construction |
| CN109267544B (en) * | 2018-10-11 | 2023-12-19 | 湖北省水利水电规划勘测设计院 | Dyke-penetrating box culvert and dyke anti-seepage sealing structure |
| CN113684850A (en) * | 2021-10-26 | 2021-11-23 | 山东水利建设集团有限公司 | Novel connection structure of foundation ditch cut-off wall |
| CN113684850B (en) * | 2021-10-26 | 2022-01-25 | 山东水利建设集团有限公司 | Connection structure of foundation cut-off wall |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206396566U (en) | A kind of U-shaped embankment structure of pile of the anti-ground collapse in karst area | |
| CN203174619U (en) | Reverse raft concrete terrace | |
| CN102839689A (en) | Large-deformation-adaptable water stop for use between sluice bottom and deep overburden layer foundation cutoff wall top, and construction method | |
| CN203755341U (en) | Geogrid retaining wall | |
| CN103952986A (en) | Load-shedding type rigid culvert structure | |
| CN203846450U (en) | Riverway retaining wall | |
| CN205444254U (en) | Deformation joint structure | |
| CN203654563U (en) | Bidirectional composite floor slab with cross-shaped ribs | |
| CN202530465U (en) | Foundation pit drainage structure | |
| CN204199131U (en) | A kind of steel concrete groove type roadbed | |
| CN105756377A (en) | Swimming pool and construction method thereof | |
| CN102787614A (en) | Drainage structure of excavation slope of plunge pool | |
| CN202787331U (en) | Large-deformation seepage-proofing water stop structure of crown of deep overburden layer foundation cut-off wall at bottom of sluice | |
| CN205917862U (en) | Connected node on basis | |
| CN202830672U (en) | Buttress type U-shaped groove structure | |
| CN205637707U (en) | Swimming pool | |
| CN203546713U (en) | H-type support pile connecting structure | |
| CN203960759U (en) | A kind of off-load formula rigidity culvert structure | |
| CN207017169U (en) | A kind of high-filled subgrade culvert off-loading structure | |
| CN207267994U (en) | Corrugated sheet steel formula retaining wall | |
| CN206887976U (en) | A kind of caisset for being suitable for big wave | |
| CN208748451U (en) | A kind of novel water permeable brick for floor file | |
| CN207260394U (en) | A kind of through ribbed prefabricated one-way slabs entirely | |
| CN207727784U (en) | A kind of building block for space between padding girder bottom and wall top | |
| CN207063190U (en) | A kind of fabricated structure waterproof construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121226 |