CN2809004Y - Fixing and connection structure for anti-leaking geomembrane edge of reservior - Google Patents
Fixing and connection structure for anti-leaking geomembrane edge of reservior Download PDFInfo
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- CN2809004Y CN2809004Y CN 200520013492 CN200520013492U CN2809004Y CN 2809004 Y CN2809004 Y CN 2809004Y CN 200520013492 CN200520013492 CN 200520013492 CN 200520013492 U CN200520013492 U CN 200520013492U CN 2809004 Y CN2809004 Y CN 2809004Y
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- Prior art keywords
- layer
- geomembrane
- leaking
- seepage
- reservoir
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- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 18
- 239000010935 stainless steel Substances 0.000 claims abstract description 18
- 239000004593 Epoxy Substances 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 229920004933 Terylene® Polymers 0.000 claims abstract description 6
- 239000004746 geotextile Substances 0.000 claims abstract description 6
- 239000005020 polyethylene terephthalate Substances 0.000 claims abstract description 6
- 239000000945 filler Substances 0.000 claims description 20
- 150000001875 compounds Chemical class 0.000 claims description 14
- 239000000126 substance Substances 0.000 claims description 9
- 239000011324 bead Substances 0.000 claims description 8
- 238000004873 anchoring Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 238000007789 sealing Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 abstract 8
- 239000012790 adhesive layer Substances 0.000 abstract 3
- 239000002131 composite material Substances 0.000 abstract 3
- 230000010354 integration Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 238000005056 compaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
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Abstract
The utility model relates to a fixing and connection structure for the periphery of an anti-leaking geomembrane of a reservoir, which is an anti-leaking structure in engineering of water conservancy, hydropower, civicism and environmental protection. The utility model particularly relates to a fixing and connection structure for the periphery of the anti-leaking geomembrane of the reservoir. The utility model comprises a self concrete structure layer, and upward in turn comprises a flexibility filling bottom adhesive layer, a flexibility filling leveling layer, a composite terylene nonweaven geotextile layer, a flexibility filling bottom adhesive layer, a geomembrane, a flexibility filling bottom adhesive layer, and a composite anti-leaking cover piece, wherein one side of the composite anti-leaking cover piece is pasted onto the concrete structure layer through an elastic epoxy edge sealing layer, and the other side is pasted with the geomembrane through the elastic epoxy edge sealing layer to form anti-leaking integration. In addition, the inner parts of a structure combination layer and the concrete structure layer are provided with a group of fastener components comprising a stainless steel screw bolt, stainless angle steel a spring shim and a stainless nut through a later making hole. Accordingly, the utility model solves the anti-leaking problem of the periphery of the geomembrane of the reservoir, and the utility model has the characteristics of strong adaptability to foundation deformation, little construction equipment, high construction speed, convenient repair, low fabrication cost, small engineering investment, etc.
Description
Technical field
The utility model relates to a kind of geomembrane periphery fixed connection structure that is used for leakage preventing structure, the especially reservoir seepage-proofing of water conservancy and hydropower and municipal administration, environment-friendly engineering.
Background technology
Reservoir on the pumped storage power plant, high-land, open water supply or runoff seldom, to the requirement of antiseepage than higher.The upper storage reservoir leakage preventing structure of the existing storage station that has built has steel concrete panel, bituminous concrete panel, and with vertical curtain grouting leakage preventing structure etc.; The fixedly connected mode of anti-seepage geomembrane that in water conservancy, municipal and environment-friendly engineering, occurs at present and periphery thereof, with hydroelectric project, particularly the antiseepage in the pumped storage power plant engineering requires and arranges difference to some extent, because for the pumped storage power plant upper storage reservoir, its antiseepage requirement and arrangement constraints condition are all very strict, so the precedent of geomembrane anti-seepage is not arranged as yet.
Application experience according to anti-seepage geomembrane in water conservancy, the municipal and environment-friendly engineering, the easiest weak link, especially structural shape impaired or that be prone to leakage problems most are the keys of guaranteeing that the reservoir seepage-proofing body is whether safe and reliable in the fixedly connected geomembrane anti-seepage often of the geomembrane periphery antiseepage structure.Geomembrane periphery connection in existing water conservancy, the municipal and environment-friendly engineering mainly contains anchor slot embedding connection, mechanical fixation connects and chemical bonding connects three kinds of patterns, built the main anchor slot embedding connected mode that adopts in the similar engineering at home, this mode construction technology is easy relatively, fixed effect is better, but anti-seepage effect is relatively poor relatively, and the arrangement condition restriction is strict, civilwork engineering quantity is bigger; And mechanical fixation connects and the chemical bonding syndeton is used seldom, its concrete structural shape imperfection, immature, particularly for the geomembrane of thickness greater than 1mm, the sealing antiseepage of geomembrane splicing seams bump pad does not have special design, and therefore the fixedly connected pattern of existing geomembrane anti-seepage all can not well be applicable in the reservoir seepage-proofing of pumped storage power plant.
Summary of the invention
The utility model is to overcome the deficiency that also exists in the above-mentioned prior art, a kind of reservoir seepage-proofing geomembrane periphery fixed connection structure that can be used for hydroelectric project is provided, and make that it has that adaptive capacity to foundation deformation is strong, the construction equipment of good seepage-proof property, required input is few, speed of application fast, repair characteristics such as convenient, that cost is low, construction investment is few.
The utility model reservoir seepage-proofing geomembrane periphery fixed connection structure, it contains on the concrete structure course, comprises following textural association layer successively: flexible filler primer layer, flexible filler leveling layer, compound terylene non-woven geotextile layer, flexible filler primer layer, geomembrane, flexible filler primer layer, anti-seepage compound coverslip; Wherein a side of anti-seepage compound coverslip bonds on the concrete structure layer by the elastic epoxy bead layer, in addition side becomes antiseepage integral body by elastic epoxy bead layer and geomembrane are bonding, and by pore-creating afterwards one group of fastener assembly that comprises stainless steel bolt, stainless steel angle steel, spring shim and stainless steel nut is set in textural association layer and concrete structure layer.By based on the mechanical fixation antiseepage, the chemical bonding antiseepage is the dual leakage preventing structure pattern of assisting, and utilize the bonding flexibility of flexible filler, the pliability of anti-seepage compound coverslip, auxiliary syndeton realizes levelling, antiseepage, holds one's breath, the function of self-healing, has improved the fixedly antiseepage security reliability and the endurance quality of geomembrane periphery syndeton.
The bottom of above-mentioned stainless steel bolt has the chemical anchoring agent; The thickness of geomembrane is preferably less than 2.0mm.
The beneficial effects of the utility model: the utility model reservoir seepage-proofing geomembrane periphery fixed connection structure, have that arrangement is flexible, bonding strength is high, anti-seepage effect is excellent and safe and reliable, excellent in durability, construction and easy to maintenance, engineering quantity is little, especially the Hydraulic and Hydro-Power Engineering that can be used for the following head of 50m, particularly pumped storage power plant reservoir seepage-proofing; Can also be generalized in the application of geomembrane anti-seepage engineerings such as municipal administration, environmental protection.
Description of drawings
Fig. 1 is the main sectional view of the utility model reservoir seepage-proofing geomembrane periphery fixed connection structure;
Fig. 2 be among Fig. 1 from the concrete structure layer 1 sectional drawing enlarged drawing of each layer upwards.
Label declaration among the figure: 1-concrete structure layer; 2-flexible filler primer layer; 3-flexible filler leveling layer; The compound terylene non-woven geotextile of 4-layer; The agent of 5-chemical anchoring; The 6-geomembrane; 7-elastic epoxy bead layer; The 8-anti-seepage compound coverslip; 9-stainless steel angle steel; The 10-spring shim; 11-stainless steel nut; The 12-stainless steel bolt.
The specific embodiment
Embodiment present embodiment reservoir seepage-proofing geomembrane periphery fixed connection structure can be seen from Fig. 1 and Fig. 2, the left of Fig. 1 is the place side of reservoir, the centre is a concrete structure layer 1, from concrete structure layer 1 upwards, comprise following textural association layer successively: flexible filler primer layer 2, flexible filler leveling layer 3, compound terylene non-woven geotextile layer 4, flexible filler primer layer 2, thickness is less than the HDPE geomembrane 6 of 2.0mm, flexible filler primer layer 2, anti-seepage compound coverslip 8 is (because of the very thin thickness of each layer of textural association layer, so express the number of plies of this textural association layer in Fig. 1, the section of this textural association layer in Fig. 2 presentation graphs 1); Wherein a side of anti-seepage compound coverslip 8 bonds on the concrete structure layer 1 by elastic epoxy bead layer 7, in addition side becomes antiseepage integral body by elastic epoxy bead layer and geomembrane are bonding, and by back pore-creating one group of fastener assembly that comprises stainless steel bolt 12, stainless steel angle steel 9, spring shim 10 and stainless steel nut 11 is set in structural stratification and concrete structure layer 1, the bottom of stainless steel bolt has gains sharp chemical anchoring agent 5 happily.
Back pore-creating in the present embodiment adopts the later stage to be drilled with anchor hole in concrete body, and places the sharp fixedly M16 stainless steel bolt of chemical anchoring agent 5 that gets of happiness in the hole, as the mechanical fixation point.This back pore-creating design scheme; avoided the pre-embedded bolt scheme in extensive concrete vibrating work progress and than long construction many shortcomings that the period brought; as cannot say for sure to demonstrate,prove its accurately location and bolt verticality; to the screw thread protection of bolt also difficulty etc. very; therefore, the quality of connection and the connection reliability of geomembrane and peripheral concrete body have been guaranteed.The sharp chemical anchoring layer 5 that gets of above-mentioned happiness, simple because of constructing, anti-external condition is good, endurance quality is good, hardening time is moderate, concrete body is not had the mechanical prestress effect yet, can make things convenient for large-scale open work or adapt to long-term operation under water, do not overhaul the needs of situations such as replacing condition substantially again.
Present embodiment reservoir seepage-proofing geomembrane periphery fixed connection structure has also utilized the caking property of flexible filler primer layer and the flexibility of flexible filler, the irregularity degree that has adapted to concrete syndeton face, thereby reach levelling, hold one's breath, the purpose of antiseepage, and tighten in the extrusion process at angle steel bolt machinery, form the first road mechanical compaction antiseepage line.
Above-mentioned compound terylene non-woven geotextile layer for flexible filler provides the function of reinforcing rib, improves the flexibility and the extrusion stability of flexible filler, so can guarantee the durability of syndeton.
The combination of above-mentioned flexible filler primer layer 2, anti-seepage compound coverslip 8, elastic epoxy bead layer 7 can form second road bonding auxiliary seepage proof line of present embodiment syndeton, to increase the antiseepage safety of syndeton.Oppositely stainless steel angle steel 9 press strips cooperate spring shim 10, have both guaranteed certain rigidity of press strip, can guarantee the closely knit barrier properties of mechanical compaction band under the pitch of bolts of economical rationality, and durable mechanical pre-pressing force can be provided again.
Claims (3)
1, a kind of reservoir seepage-proofing geomembrane periphery fixed connection structure, it is characterized in that: it contains from concrete structure layer (1) upwards, comprises following textural association layer successively: flexible filler primer layer (2), flexible filler leveling layer (3), compound terylene non-woven geotextile layer (4), flexible filler primer layer (2), geomembrane (6), flexible filler primer layer (2), anti-seepage compound coverslip (8); Wherein a side of anti-seepage compound coverslip (8) bonds on the concrete structure layer (1) by elastic epoxy bead layer (7), in addition side becomes antiseepage integral body by elastic epoxy bead layer (7) and geomembrane are bonding, and by pore-creating afterwards one group of fastener assembly that comprises stainless steel bolt (12), stainless steel angle steel (9), spring shim (10) and stainless steel nut (11) is set in textural association layer and concrete structure layer.
2, reservoir seepage-proofing geomembrane periphery fixed connection structure according to claim 1, it is characterized in that: the bottom of said stainless steel bolt (12) has chemical anchoring agent (5).
3, reservoir seepage-proofing geomembrane periphery fixed connection structure according to claim 1 and 2, it is characterized in that: the thickness of said geomembrane (6) is less than 2.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520013492 CN2809004Y (en) | 2005-07-22 | 2005-07-22 | Fixing and connection structure for anti-leaking geomembrane edge of reservior |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520013492 CN2809004Y (en) | 2005-07-22 | 2005-07-22 | Fixing and connection structure for anti-leaking geomembrane edge of reservior |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2809004Y true CN2809004Y (en) | 2006-08-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520013492 Expired - Lifetime CN2809004Y (en) | 2005-07-22 | 2005-07-22 | Fixing and connection structure for anti-leaking geomembrane edge of reservior |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2809004Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102041800A (en) * | 2010-12-08 | 2011-05-04 | 四川路航建设工程有限责任公司 | Method for constructing PVC (polyvinyl chloride) composite geomembrane watertight core of earth-rockfill dam |
| CN103669292A (en) * | 2013-12-24 | 2014-03-26 | 河南省水利勘测设计研究有限公司 | Concrete joint water stop structure and construction method thereof |
| CN106996093A (en) * | 2016-01-26 | 2017-08-01 | 北京市水利规划设计研究院 | Geomembrane anchor structure and anchoring process |
| CN112502102A (en) * | 2020-12-24 | 2021-03-16 | 中国电建集团华东勘测设计研究院有限公司 | Dam body core wall geomembrane and basic concrete structure's two flexible anchor structures of preventing line |
| CN112575744A (en) * | 2020-12-25 | 2021-03-30 | 中国电建集团华东勘测设计研究院有限公司 | Full-warehouse basin PE geomembrane anti-seepage panel arrangement type and construction method |
| CN113089584A (en) * | 2021-03-18 | 2021-07-09 | 中国水利水电第九工程局有限公司 | Construction method of soil dam heightening anti-seepage PVC geomembrane |
-
2005
- 2005-07-22 CN CN 200520013492 patent/CN2809004Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102041800A (en) * | 2010-12-08 | 2011-05-04 | 四川路航建设工程有限责任公司 | Method for constructing PVC (polyvinyl chloride) composite geomembrane watertight core of earth-rockfill dam |
| CN102041800B (en) * | 2010-12-08 | 2012-07-04 | 四川路航建设工程有限责任公司 | Method for constructing PVC (polyvinyl chloride) composite geomembrane watertight core of earth-rockfill dam |
| CN103669292A (en) * | 2013-12-24 | 2014-03-26 | 河南省水利勘测设计研究有限公司 | Concrete joint water stop structure and construction method thereof |
| CN106996093A (en) * | 2016-01-26 | 2017-08-01 | 北京市水利规划设计研究院 | Geomembrane anchor structure and anchoring process |
| CN112502102A (en) * | 2020-12-24 | 2021-03-16 | 中国电建集团华东勘测设计研究院有限公司 | Dam body core wall geomembrane and basic concrete structure's two flexible anchor structures of preventing line |
| CN112502102B (en) * | 2020-12-24 | 2025-07-22 | 中国电建集团华东勘测设计研究院有限公司 | Double-defense line flexible anchoring structure of dam body core wall geomembrane and foundation concrete structure |
| CN112575744A (en) * | 2020-12-25 | 2021-03-30 | 中国电建集团华东勘测设计研究院有限公司 | Full-warehouse basin PE geomembrane anti-seepage panel arrangement type and construction method |
| CN113089584A (en) * | 2021-03-18 | 2021-07-09 | 中国水利水电第九工程局有限公司 | Construction method of soil dam heightening anti-seepage PVC geomembrane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150722 Granted publication date: 20060823 |
|
| EXPY | Termination of patent right or utility model |