CN107905179A - A kind of cold area's earth and rockfill dam anti-freeze expansion structure and its construction method - Google Patents
A kind of cold area's earth and rockfill dam anti-freeze expansion structure and its construction method Download PDFInfo
- Publication number
- CN107905179A CN107905179A CN201711172431.6A CN201711172431A CN107905179A CN 107905179 A CN107905179 A CN 107905179A CN 201711172431 A CN201711172431 A CN 201711172431A CN 107905179 A CN107905179 A CN 107905179A
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- dam
- earth
- tempered glass
- freezing
- heating panel
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/02—Fixed barrages
- E02B7/04—Dams across valleys
- E02B7/06—Earth-fill dams; Rock-fill dams
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
- E02B3/128—Coherent linings made on the spot, e.g. cast in situ, extruded on the spot
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Revetment (AREA)
Abstract
The present invention provides a kind of cold area's earth and rockfill dam anti-freeze expansion structure, protective slope structure and the swollen structure of novel anti-freezing are equipped with along upstream dam slope, protective slope structure is respectively to be laid on cast-in-place concrete structure, sand-gravel cushion and the geomembrane at dam bottom and dam crest, structure that novel anti-freezing is swollen is tempered glass heating panel, photovoltaic battery panel, LED shine marker, solar charger, storage battery, light-operated heater switch, basic stratum, reinforced concrete wall and embedded bar.The beneficial effects of the invention are as follows：The present invention reaches antifreezing expansion effect using the swollen structure heating of novel anti-freezing and warning, has the characteristics that antifreezing expansion effect is good compared with conventional earth and rockfill dam anti-freeze expansion structure.Present invention also offers a kind of construction method of cold area's earth and rockfill dam anti-freeze expansion structure.
Description
Technical field
The present invention relates to water conservancy electrical engineering field, more specifically to a kind of cold area's earth and rockfill dam anti-freeze expansion structure and its applies
Work method, this method are suitable for, when Han Qu builds earth and rockfill dam, reaching native stone using this method area's earth and rockfill dam anti-freeze expansion structure of trembling with fear
Dam antifreezing expansion effect.
Background technology
Earth and rockfill dam bank protection frost heaving failure is common problem in the hydraulic engineering of High-cold regions.Earth and rockfill dam bank protection is born in the winter time
Frost-heaving deformation can be produced under temperature effect and ice pulls out destruction, spring temperature, which rises, makes it melt generation thaw collapse deformation, and spring is in stormy waves
Effect is lower to produce ice push, and destruction can be produced with earth and rockfill dam bank protection under wind wave action by being pushed away by multigelation, ice.
Antiseepage anti-freeze expansion structure is single in the prior art, and antifreezing expansion effect is poor, is pushed away by multigelation, frost heave, ice and ice
Pull out effect earth and rockfill dam bank protection and produce destruction.Anti-freeze expansion is not solved the problems, such as from essence, earth and rockfill dam bank protection passes through several Frozen-thawed cycleds
After effect and frost evil, earth and rockfill dam bank protection produces frost heaving failure, not only influences the on-road efficiency of reservoir but also adds maintenance expense
With.
The content of the invention
It is right the present invention provides a kind of High-cold regions earth and rockfill dam protective slope structure the present invention overcomes deficiency of the prior art
Existing earth and rockfill dam bank protection anti-freeze expansion form has carried out contrast test, experiment knot with new earth and rockfill dam bank protection anti-freeze expansion structure type
Fruit shows that earth and rockfill dam bank protection antifreezing expansion effect of the present invention is obvious, and suppressing dam body using the swollen structure of novel anti-freezing bankets frost heave and shield
The advantages that slope anti-freeze expansion.Another object of the present invention is to provide a kind of construction method of cold area's earth and rockfill dam protective slope structure.
The purpose of the present invention is achieved by following technical proposals.
A kind of cold area's earth and rockfill dam anti-freeze expansion structure, it is characterised in that：Protective slope structure and novel anti-freezing are equipped with dam body upstream
Swollen structure, the protective slope structure are the cast-in-place concrete structure for being laid on dam bottom and dam crest, and the swollen structure of novel anti-freezing is located at
The corresponding Reservoir in winter water storage level icing area of the dam slope, the swollen structure of novel anti-freezing include pouring the steel being embedded at dam slope
Reinforced concrete wall body structure and the luminous heating structure for being arranged on the reinforced concrete wall structural top, the luminous heating
Structure includes tempered glass heating panel, LED shines marker, light-operated heater switch, the heater switch and the tempering glass
Glass heating panel and the LED marker that shines connect, and shine instruction equipped with LED between the adjacent tempered glass heating panel
Layer.
Further, the swollen structure of the novel anti-freezing is set along the dam body vertical section direction.
Further, the LED markers that shine are laid in the lower floor of the tempered glass heating panel and the adjacent steel
Between change glass heating panel.
Further, the outer surface of the tempered glass heating panel is black, and shape is quadrangle, and the tempered glass adds
It is embedded with the photovoltaic battery panel in hot panel, it is the photovoltaic battery panel and the solar charger, the storage battery, described
Light-operated heater switch is sequentially connected.
Further, the top of the reinforced concrete wall structure is equipped with embedded bar, the reinforced concrete wall knot
The surface at the top of structure is equipped with basic stratum, and the tempered glass heating panel is arranged on the embedded bar by nut.
Further, the outer surface of the cast-in-place concrete structure and the swollen structure of the novel anti-freezing is in the same plane.
A kind of construction method of cold area's earth and rockfill dam anti-freeze expansion structure, includes the following steps：
1) dam body is filled, linear is made in the dam body；
2) in the corresponding Reservoir in winter water storage level icing area pouring reinforcement concrete wall of dam slope, in the armored concrete
The luminous heating structure of top installation of wall；
3) geomembrane, sand-gravel cushion to dam crest are laid with successively on the surface of the dam body；
4) poured on the sand-gravel cushion along dam bottom to the swollen structure of the novel anti-freezing close to the side at the dam bottom
Concrete layer；
5) poured described in the step 3) on sand-gravel cushion along opposite side to the dam crest of the swollen structure of the novel anti-freezing
Build cast-in-place concrete layer.
Further, described in the step 2) shine heating structure include tempered glass heating panel, photovoltaic battery panel,
LED shines marker, solar charger, storage battery, light-operated heater switch, between the adjacent tempered glass heating panel
Shine marker equipped with the LED, the photovoltaic battery panel, the photovoltaic cell are embedded with the tempered glass heating panel
Plate is sequentially connected with the solar charger, the storage battery, the light-operated heater switch, the light-operated heater switch and institute
Tempered glass heating panel and the LED marker that shines is stated to connect.
Further, the outer surface of the tempered glass heating panel is black, and shape is quadrangle, and the tempered glass adds
Hot panel is arranged on by nut on the embedded bar of the reinforced concrete wall structural top.
Further, reinforced concrete wall width described in the step 2) is 1-2m, a height of 1-2m, along axis of dam direction
Arrangement.
Beneficial effects of the present invention are：
Water at winter water storage level can freeze along dam slope surface to be spread, and produces thrust to slopes and ice pulls out, under normal conditions
The width that icing face is distributed along dam slope is 2m or so, and when the water freezing of winter water storage level scope, ice sheet is distributed in novel anti-freezing
Swollen to tie, luminous heating structure can melt bank protection icing；
Photovoltaic battery panel is embedded with the tempered glass heating panel, solar power generation can be utilized but also prevent frost heave from breaking
It is bad, convert solar energy into electrical energy, substantial amounts of electric energy can be accumulated；
Anti-freeze expansion structure have anti-freeze expansion, it is anti-icing push away, it is anti-icing pull out, insulate, heating, light-emitting caution remind etc. performance；
Using the swollen structure heating of novel anti-freezing and material property, winter water storage level icing area bank protection surface ice-out is prevented
Stagnant ice is to the washing away of bank protection, frost heave, ice push away, ice pulls out destruction；
The present invention reaches antifreezing expansion effect using the swollen structure of novel anti-freezing, has compared with conventional earth and rockfill dam anti-freeze expansion structure
The characteristics of differential frost heave deformation is small, and the anti-icing ability of pushing away is strong, and antifreezing expansion effect is good.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the structure diagram of anti-freeze expansion structural plan of the present invention；
Fig. 3 novel anti-freezings are swollen structure diagram；
In figure：
1st, dam body；2nd, cast-in-place concrete structure；3rd, sand-gravel cushion；4th, geomembrane；5th, the swollen structure of novel anti-freezing；
6th, reinforced concrete wall structure；7th, embedded bar；8th, nut；9th, tempered glass heating panel；
10th, LED shines marker；11st, solar charger；12nd, storage battery；13rd, light-operated heater switch；
14th, basic stratum.
Embodiment
Technical scheme is further described below by specific embodiment.
A kind of cold area's earth and rockfill dam anti-freeze expansion structure as shown in Figure 1, Figure 2, Figure 3 shows, protective slope structure and new is equipped with 1 upstream of dam body
Type anti-freeze expansion structure, the protective slope structure are the cast-in-place concrete structure 2 for being laid on dam bottom and dam crest, structure 5 that novel anti-freezing is swollen
Positioned at the corresponding Reservoir in winter water storage level icing area of the dam slope, structure 2 that novel anti-freezing is swollen includes pouring being embedded at dam slope
Reinforced concrete wall structure 6 and the luminous heating structure for being arranged on the top of reinforced concrete wall structure 6；Reinforced concrete wall
6 width of body is 2m, a height of 1m.The swollen structure of novel anti-freezing is regular hexagon, and regular hexagon compatibility of deformation effect is good.Novel anti-freezing
Swollen structure 5 is set along 1 vertical section direction of dam body；Shine marker 10 equipped with LED between adjacent tempered glass heating panel 9；LED
The marker 10 that shines is laid between lower floor and the adjacent tempered glass heating panel 9 of tempered glass heating panel 9.
The luminous heating structure includes tempered glass heating panel 9, photovoltaic battery panel, LED shine marker 10, the sun
Can charger 11, storage battery 12 and light-operated heater switch 13, be embedded with the photovoltaic battery panel, institute in tempered glass heating panel 9
Photovoltaic battery panel is stated to be sequentially connected with solar charger 11, storage battery 12, light-operated heater switch 13, light-operated heater switch 13 with
Tempered glass heating panel 9 and the LED marker 10 that shines connect；Structure 5 that novel anti-freezing is swollen is set along the dam body vertical section direction
Put.
The top of reinforced concrete wall structure 6 is equipped with embedded bar 7, the table at the top of reinforced concrete wall structure 6
Face is equipped with basic stratum 14, and tempered glass heating panel 9 is arranged on embedded bar 7 by nut 8, and basic 14 thickness of stratum is
20cm；
The outer surface of cast-in-place concrete structure 2 and the swollen structure 5 of novel anti-freezing is in the same plane；
Water at winter water storage level can freeze along dam slope surface to be spread, and produces thrust to slopes and ice pulls out, under normal conditions
The width that icing face is distributed along dam slope is 2m or so, and when the water freezing of winter water storage level scope, ice sheet is distributed in novel anti-freezing
In swollen structure 5, structure 5 that novel anti-freezing is swollen can melt bank protection icing.
The construction method of above-mentioned cold area's earth and rockfill dam bank protection anti-freeze expansion structure, its method and step include：
1) dam body 1 is filled, straight line is made in dam body 1, height of dam 45m, 1 upstream dam slope slope of dam body is than 1:2.5；
2) in the corresponding Reservoir in winter water storage level icing area pouring reinforcement concrete wall 6 of dam slope, reinforced concrete wall 6
Width is 2m, a height of 1m, intensity C40；Embedded bar 7 is buried at the top of reinforced concrete wall 6, embedded bar 7 it is a diameter of
0.02m；
3) geomembrane 4, sand-gravel cushion 3 to dam crest, geomembrane are laid with successively inside-out along perpendicular to the surface of dam body
For geomembrane, 3 laying depth of sand-gravel cushion is 0.45m, and the wherein cobble of sand-gravel cushion 3 is not less than 0.05m；
4) poured on sand-gravel cushion 3 along dam bottom to the swollen structure of the novel anti-freezing close to the side at the dam bottom cast-in-place
Concrete structure 2, cast-in-place concrete structure 2 are C30 concrete, laying depth 0.45m；
5) poured described in the step 3) on sand-gravel cushion 3 along opposite side to the dam crest of the swollen structure of the novel anti-freezing
Build cast-in-place concrete structure 2, cast-in-place concrete structure 2 is C30 concrete, laying depth 0.45m；
6) the top installation swollen structure 5 of novel anti-freezing of reinforced concrete wall 6, novel anti-freezing is swollen 5 smooth outer surface of structure
For black, thickness 15cm；Nut 8 is on embedded bar 7；
The cast-in-place concrete structure and the swollen structural outer surface of the novel anti-freezing in the same plane, i.e., cast-in-place coagulation
Native 2, structure 5 that novel anti-freezing is swollen, the outer surface of nut 8 maintain an equal level.
One embodiment of the present of invention is described in detail above, but the content is only the preferable implementation of the present invention
Example, it is impossible to be construed as limiting the practical range of the present invention.All all the changes and improvements made according to the present patent application scope
Deng, should all still belong to the present invention patent covering scope within.
Claims (10)
- A kind of 1. cold area's earth and rockfill dam anti-freeze expansion structure, it is characterised in that：Protective slope structure is equipped with dam body upstream and novel anti-freezing is swollen Structure, the protective slope structure are the cast-in-place concrete structure for being laid on dam bottom and dam crest, and the swollen structure of novel anti-freezing is located at institute The corresponding Reservoir in winter water storage level icing area of dam slope is stated, the swollen structure of novel anti-freezing includes pouring the reinforcing bar being embedded at dam slope Concrete wall structure and the luminous heating structure for being arranged on the reinforced concrete wall structural top, the luminous heating knot Structure includes tempered glass heating panel, LED shines marker, light-operated heater switch, the heater switch and the tempered glass Heating panel and the LED marker that shines connect, and shine instruction equipped with LED between the adjacent tempered glass heating panel Layer.
- 2. cold area's earth and rockfill dam anti-freeze expansion structure according to claim 1, it is characterised in that：The swollen structure edge of novel anti-freezing The dam body vertical section direction is set.
- 3. cold area's earth and rockfill dam anti-freeze expansion structure according to claim 1, it is characterised in that：The LED markers that shine are put down It is layered between lower floor and the adjacent tempered glass heating panel of the tempered glass heating panel.
- 4. cold area's earth and rockfill dam anti-freeze expansion structure according to claim 3, it is characterised in that：The tempered glass heating panel Outer surface be black, shape is quadrangle, and the photovoltaic battery panel, the light are embedded with the tempered glass heating panel Volt solar panel is sequentially connected with the solar charger, the storage battery, the light-operated heater switch.
- 5. cold area's earth and rockfill dam anti-freeze expansion structure according to claim 4, it is characterised in that：The reinforced concrete wall knot The top of structure is equipped with embedded bar, and the surface at the top of the reinforced concrete wall structure is equipped with basic stratum, the tempering Glass heating panel is arranged on the embedded bar by nut.
- 6. cold area's earth and rockfill dam anti-freeze expansion structure according to claim 1, it is characterised in that：The cast-in-place concrete structure and The outer surface of the swollen structure of novel anti-freezing is in the same plane.
- 7. the construction method of cold area's earth and rockfill dam anti-freeze expansion structure according to claim 1, it is characterised in that：Including following step Suddenly：1) dam body is filled, linear is made in the dam body；2) in the corresponding Reservoir in winter water storage level icing area pouring reinforcement concrete wall of dam slope, in the reinforced concrete wall Top installation shine heating structure；3) geomembrane, sand-gravel cushion to dam crest are laid with successively on the surface of the dam body；4) on the sand-gravel cushion along dam bottom to the swollen structure of the novel anti-freezing coagulation is poured close to the side at the dam bottom Soil layer；5) poured now along opposite side to the dam crest of the swollen structure of the novel anti-freezing on sand-gravel cushion described in the step 3) Pouring concrete layer.
- 8. the construction method of cold area's earth and rockfill dam anti-freeze expansion structure according to claim 7, it is characterised in that：The step 2) Described in shine heating structure include tempered glass heating panel, photovoltaic battery panel, LED shine marker, solar charger, Storage battery, light-operated heater switch, shine marker equipped with the LED between the adjacent tempered glass heating panel, described It is embedded with the photovoltaic battery panel in tempered glass heating panel, it is the photovoltaic battery panel and the solar charger, described Storage battery, the light-operated heater switch are sequentially connected, the light-operated heater switch and the tempered glass heating panel and described LED shine marker connection.
- 9. the construction method of cold area's earth and rockfill dam anti-freeze expansion structure according to claim 7, it is characterised in that：The tempering glass The outer surface of glass heating panel is black, and shape is quadrangle, and the tempered glass heating panel is arranged on described by nut On the embedded bar of reinforced concrete wall structural top.
- 10. the construction method of cold area's earth and rockfill dam anti-freeze expansion structure according to claim 7, it is characterised in that：The step 2) reinforced concrete wall width described in is 1-2m, a height of 1-2m, is arranged along axis of dam direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711172431.6A CN107905179A (en) | 2017-11-22 | 2017-11-22 | A kind of cold area's earth and rockfill dam anti-freeze expansion structure and its construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711172431.6A CN107905179A (en) | 2017-11-22 | 2017-11-22 | A kind of cold area's earth and rockfill dam anti-freeze expansion structure and its construction method |
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| CN107905179A true CN107905179A (en) | 2018-04-13 |
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| CN201711172431.6A Pending CN107905179A (en) | 2017-11-22 | 2017-11-22 | A kind of cold area's earth and rockfill dam anti-freeze expansion structure and its construction method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109252491A (en) * | 2018-11-06 | 2019-01-22 | 淮阴工学院 | A kind of explosion-proof protective device of rock |
| CN109403275A (en) * | 2018-06-21 | 2019-03-01 | 长春华普大通防冰工程技术有限公司 | Anti-icing system, anti-icing control method and computer readable storage medium |
| CN109440732A (en) * | 2018-11-14 | 2019-03-08 | 天津大学 | Cold area's water delivery open channel winter anti-icing navigation structure |
| CN111395274A (en) * | 2020-04-24 | 2020-07-10 | 中水北方勘测设计研究有限责任公司 | Anti-frost-heaving method and anti-frost-heaving assembly of measurement and control integrated gate |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201047074Y (en) * | 2007-05-22 | 2008-04-16 | 上海奇谋能源技术开发有限公司 | Device for thawing railway crossing ice and snow |
| CN102174793A (en) * | 2011-03-02 | 2011-09-07 | 湘潭大学 | Intelligent temperature-control anti-freezing bridge deck |
| CN103806472A (en) * | 2014-03-07 | 2014-05-21 | 南京水利科学研究院 | Frost-and-expansion resistant protection body for water transmission tower of water reservoir, and arranging method thereof |
| CN107152009A (en) * | 2017-05-04 | 2017-09-12 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of anti-icing selection structure of High-cold regions earth and rockfill dam bank protection and its construction method |
-
2017
- 2017-11-22 CN CN201711172431.6A patent/CN107905179A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201047074Y (en) * | 2007-05-22 | 2008-04-16 | 上海奇谋能源技术开发有限公司 | Device for thawing railway crossing ice and snow |
| CN102174793A (en) * | 2011-03-02 | 2011-09-07 | 湘潭大学 | Intelligent temperature-control anti-freezing bridge deck |
| CN103806472A (en) * | 2014-03-07 | 2014-05-21 | 南京水利科学研究院 | Frost-and-expansion resistant protection body for water transmission tower of water reservoir, and arranging method thereof |
| CN107152009A (en) * | 2017-05-04 | 2017-09-12 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of anti-icing selection structure of High-cold regions earth and rockfill dam bank protection and its construction method |
Non-Patent Citations (1)
| Title |
|---|
| 王长贵等: "《太阳能光伏发电实用技术》", 30 September 2005, 化学工业出版社 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109403275A (en) * | 2018-06-21 | 2019-03-01 | 长春华普大通防冰工程技术有限公司 | Anti-icing system, anti-icing control method and computer readable storage medium |
| CN109252491A (en) * | 2018-11-06 | 2019-01-22 | 淮阴工学院 | A kind of explosion-proof protective device of rock |
| CN109440732A (en) * | 2018-11-14 | 2019-03-08 | 天津大学 | Cold area's water delivery open channel winter anti-icing navigation structure |
| CN111395274A (en) * | 2020-04-24 | 2020-07-10 | 中水北方勘测设计研究有限责任公司 | Anti-frost-heaving method and anti-frost-heaving assembly of measurement and control integrated gate |
| CN111395274B (en) * | 2020-04-24 | 2024-05-28 | 中水北方勘测设计研究有限责任公司 | Anti-frost-heaving method and anti-frost-heaving assembly for measurement and control integrated gate |
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Application publication date: 20180413 |
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