CN207775831U - A kind of asymmetric hyperbolic rolled concrete arch dam structure - Google Patents
A kind of asymmetric hyperbolic rolled concrete arch dam structure Download PDFInfo
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- CN207775831U CN207775831U CN201721771671.3U CN201721771671U CN207775831U CN 207775831 U CN207775831 U CN 207775831U CN 201721771671 U CN201721771671 U CN 201721771671U CN 207775831 U CN207775831 U CN 207775831U
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Abstract
The utility model provides a kind of asymmetric hyperbolic rolled concrete arch dam structure, dome dam dam body is along vertically and horizontally all using curvilinear structures, normal concrete graduation three is used between the dam foundation and riverbed of the dome dam dam body, is connected using High Pressure Consolidation Grouting column and conventional consolidation grouting column between the normal concrete graduation three and riverbed；It is disposed with the first grouting collector drain, the first collector drain and the second collector drain from bottom to up along dome dam dam body, the medium position of dome dam dam body is provided with flushing sluice, pier in the top setting of the dome dam dam body, it is provided with overflow duct between the middle pier, overflow gates of segmental shape is installed on the overflow duct.This Arch Dam Structure can well adapt to karst area condition, while utilize mechanical structure well using the structure of hyperbolic, ensure that stability and the safety of dam, additionally it is possible to greatly shorten construction period.
Description
Technical field
The utility model belongs to RCC double curvature arch dam technical field of construction more particularly to a kind of asymmetric hyperbolic is ground
Press arched concrete dam structure.
Background technology
RCC dam is nearly grow up for 30 years a dam construction technique, builds a dam with normal concrete and uses vibrator
The method for being inserted into vibration compacting is different, is mainly characterized by low, high fly as contained the dry concrete using cement content, adopts
With transport identical with earth and rockfill dam and paving equipment, thin layer pave vibroroller cmpacting, rise fill layer by layer.This essence is concrete
Dam structure and the superiority of both material and earth-rock dam construction method are integrated, by preferentially improve be combined made of it is a kind of
New dam construction technology.
Due to being needed by geographical location, geological conditions and reservoir impoundment power generation, needs to design a kind of asymmetric hyperbolic and roll
Arched concrete dam structure.Although disclosing a kind of tunneling boring three-graded concrete dam structure in 202945579 U of CN,
Be that such dam structure mainly solves is that the original section concrete subregion of RCC dam is arranged and gives the inconvenience that brings of construction
The technical issues of, such dam structure compares consumable material, of high cost.
The rolled concrete arch dam that a kind of tunneling boring uses same grading is disclosed in 203113291 U of CN, is overcome existing
There is in technology on same section the existing problem and shortage using two kinds of different gradation concrete, essentially discloses and used
Material, the geological conditions of this dam can not be adapted to.
Utility model content
The main purpose of the utility model is to provide a kind of asymmetric hyperbolic rolled concrete arch dam structure, this arch dam knots
Structure can well adapt to karst area condition, and work progress is simple, and the material that entire engineering is consumed is less, effectively
Reduce construction cost, while mechanical structure is utilized using the structure of hyperbolic well, ensure that the stability and peace of dam
Quan Xing, additionally it is possible to greatly shorten construction period.
In order to realize above-mentioned technical characteristic, what the purpose of this utility model was realized in：A kind of asymmetric hyperbolic stone roller
Arched concrete dam structure is pressed, it includes dome dam dam body, and the dome dam dam body is along vertically and horizontally all using
Curvilinear structures use normal concrete graduation three, the normal concrete between the dam foundation and riverbed of the dome dam dam body
It is connected using High Pressure Consolidation Grouting column and conventional consolidation grouting column between graduation three and riverbed；Along dome dam dam body under
It is supreme to be disposed with the first grouting collector drain, the first collector drain and the second collector drain, in dome dam dam body
Position, which installs, is equipped with flushing sluice, pier in the top setting of the dome dam dam body, and overflow duct is provided between the middle pier,
Overflow gates of segmental shape is installed on the overflow duct, the overflow gates of segmental shape by with the headstock gear phase inside headstock gear
Even, its opening and closing is controlled, the dam crest in dome dam dam body is arranged in the headstock gear.
The curvature of the dome dam dam body along the vertical and horizontal directions all changes constantly.
There are underwater bed plate, the end of the underwater bed plate to set by anchor pile anchoring on the underwater bed of the dam foundation
It is equipped with Er Daoba, the section on two dam uses trapezoid cross section；The bottom of the underwater bed plate is provided with osculum.
The water inlet of the flushing sluice is provided with flashboard, and the flashboard is slidably matched with lock slot composition, the flushing sluice
Outlet is provided with sand discharge gates of segmental shape.
The head upstream face of the dome dam dam body is provided with bulwark.
The first dam rear axle is provided on the downstream dam facing of first collector drain position.
The second dam rear axle is provided on the downstream dam facing of second collector drain position.
The dam foundation, anchor pile, bis- dams underwater bed Ban He are all located at original place upper thread or less.
The gas vent of vertical structure is provided on the middle pier positioned at the upstream face of dam body.
The utility model has the advantages that：
1, by using above-mentioned asymmetric hyperbolic rolled concrete arch dam structure, this Arch Dam Structure can well adapt to
Karst area condition, and work progress is simple, and the material that entire engineering is consumed is less, effectively reduces and is constructed into
This, while mechanical structure is utilized using the structure of hyperbolic well, it ensure that stability and the safety of dam, additionally it is possible to significantly
Shortening construction period.
2, it is proved by the way that engineering is practical, this asymmetric hyperbolic rolled concrete arch dam structure, more conventional gravity dam is saved
Material is up to 25% or so.
Description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is the sectional view of the asymmetric hyperbolic rolled concrete arch dam structure of the utility model.
In figure：Pier 5, the second collector drain 6, in headstock gear 1, overflow gates of segmental shape 2, bulwark 3, overflow duct 4
Two dam rear axles 7, flushing sluice 8, sand discharge gates of segmental shape 9, the first collector drain 10, the first dam rear axle 11, dome dam dam body 12,
One grouting collector drain 13, High Pressure Consolidation Grouting column 14, original place upper thread 15, the dam foundation 16, conventional consolidation grouting column 17, normality coagulation
Native graduation three 18, anchor pile 19, osculum 20, two dams 21, gas vent 22, lock slot 23, underwater bed plate 24, flashboard 25.
Specific implementation mode
The embodiment of the utility model is described further below in conjunction with the accompanying drawings.
Referring to Fig. 1, a kind of asymmetric hyperbolic rolled concrete arch dam structure, it includes dome dam dam body 12, described double
Arched dam dam body 12 is along vertically and horizontally all using curvilinear structures, the dam foundation 16 and riverbed of the dome dam dam body 12
Between use normal concrete graduation three 18, between the normal concrete graduation three 18 and riverbed use High Pressure Consolidation Grouting column
14 and conventional consolidation grouting column 17 be connected；It is disposed with the first grouting from bottom to up along dome dam dam body 12 and drains corridor
Road 13, the first collector drain 10 and the second collector drain 6 are provided with flushing sluice 8, institute in the medium position of dome dam dam body 12
Pier 5 in the top setting of dome dam dam body 12 is stated, is provided with overflow duct 4 between the middle pier 5, on the overflow duct 4
Overflow gates of segmental shape 2 is installed, the overflow gates of segmental shape 2 controls it and open by being connected with the headstock gear inside headstock gear 1
It opens and closes, the dam crest in dome dam dam body 12 is arranged in the headstock gear 1.It is rolled with above-mentioned asymmetric hyperbolic by
Arched concrete dam structure utilizes mechanical structure well, ensure that stability and the safety of dam, additionally it is possible to greatly shorten
Construction period.
Further, the curvature of the dome dam dam body 12 along the vertical and horizontal directions all changes constantly.
Further, there is underwater bed plate 24 by the anchoring of anchor pile 19 on the underwater bed of the dam foundation 16, under described
The end of trip riverbed plate 24 is provided with two dams 21, and the section on two dam 21 uses trapezoid cross section；The underwater bed plate
24 bottom is provided with osculum 20.Underwater bed plate 24 can be protected by two dams 21, prevents from rushing riverbed
Brush.
Further, the water inlet of the flushing sluice 8 is provided with flashboard 25, and the flashboard 25 constitutes sliding with lock slot 23 and matches
It closes, the outlet of the flushing sluice 8 is provided with sand discharge gates of segmental shape 9.It can play the role of sand surfing by the flushing sluice 8.
Further, the head upstream face of the dome dam dam body 12 is provided with bulwark 3.Pass through the bulwark
3 can play the purpose of wave resistance.
Further, it is provided with the first dam rear axle 11 on the downstream dam facing of 10 position of the first collector drain.
Further, it is provided with the second dam rear axle 7 on the downstream dam facing of 6 position of the second collector drain.
Further, the dam foundation 16, anchor pile 19, underwater bed plate 24 and two dams 21 be all located at original place upper thread 15 with
Under.
Further, the gas vent 22 of vertical structure is provided on the middle pier 5 positioned at the upstream face of dam body.
Practical by engineering, in the present embodiment, dam is RCC double curvature arch dam, crest elevation 1452.50m, dam
Bottom elevation 1285.00m, maximum height of dam 167.50,90.25 ° of center of maximum angle, 39.535 ° of minimum central angle, at mean camber arch crown
Maximum curvature radius 187.7513m, minimum profile curvature radius 69.2341m, dam crest upstream arc length 426.118m, dam crest thickness 9.00m,
Thickness 36.000m at the arch crown of dam bottom, thickness 40.926m at left arch abutment, thickness 40.811m at right arch abutment, thickness high ratio 0.215, vault subsidence is most
Big degree of hanging by the feet is 0.14.
The above embodiments are only the optimal technical scheme of the utility model, and are not construed as the limit for the utility model
System, the technical solution that the scope of protection of the utility model should be recorded with claim include the technical solution of claim record
The equivalents of middle technical characteristic are protection domain.Equivalent replacement i.e. within this range is improved, also in the utility model
Protection domain within.
Claims (9)
1. a kind of asymmetric hyperbolic rolled concrete arch dam structure, it is characterised in that：It includes dome dam dam body（12）, described
Dome dam dam body（12）Along vertically and horizontally all using curvilinear structures, the dome dam dam body（12）The dam foundation
（16）Normal concrete graduation three is used between riverbed（18）, the normal concrete graduation three（18）It is used between riverbed
High Pressure Consolidation Grouting column（14）And conventional consolidation grouting column（17）It is connected；Along dome dam dam body（12）From bottom to up successively
It is provided with the first grouting collector drain（13）, the first collector drain（10）With the second collector drain（6）, in dome dam dam body
（12）Medium position be provided with flushing sluice（8）, the dome dam dam body（12）Top setting in pier（5）, the middle pier
（5）Between be provided with overflow duct（4）, the overflow duct（4）On overflow gates of segmental shape is installed（2）, the overflow arc
Gate（2）By with headstock gear（1）Internal headstock gear is connected, and controls its opening and closing, the headstock gear（1）Setting
In dome dam dam body（12）Dam crest.
2. a kind of asymmetric hyperbolic rolled concrete arch dam structure according to claim 1, it is characterised in that：The double curvature arch
Dam dam body（12）Curvature along the vertical and horizontal directions all changes constantly.
3. a kind of asymmetric hyperbolic rolled concrete arch dam structure according to claim 1, it is characterised in that：The dam foundation
（16）Underwater bed on pass through anchor pile（19）Anchoring has underwater bed plate（24）, the underwater bed plate（24）End set
It is equipped with Er Daoba（21）, two dam（21）Section use trapezoid cross section；The underwater bed plate（24）Bottom setting
There is osculum（20）.
4. a kind of asymmetric hyperbolic rolled concrete arch dam structure according to claim 1, it is characterised in that：The flushing sluice
（8）Water inlet be provided with flashboard（25）, the flashboard（25）With lock slot（23）Composition is slidably matched, the flushing sluice（8）'s
Outlet is provided with sand discharge gates of segmental shape（9）.
5. a kind of asymmetric hyperbolic rolled concrete arch dam structure according to claim 1, it is characterised in that：The double curvature arch
Dam dam body（12）Head upstream face be provided with bulwark（3）.
6. a kind of asymmetric hyperbolic rolled concrete arch dam structure according to claim 1, it is characterised in that：The first row
Water gallery（10）The first dam rear axle is provided on the downstream dam facing of position（11）.
7. a kind of asymmetric hyperbolic rolled concrete arch dam structure according to claim 1, it is characterised in that：The second row
Water gallery（6）The second dam rear axle is provided on the downstream dam facing of position（7）.
8. a kind of asymmetric hyperbolic rolled concrete arch dam structure according to claim 3, it is characterised in that：The dam foundation
（16）, anchor pile（19）, underwater bed plate（24）With two dams（21）It is all located at original place upper thread（15）Below.
9. a kind of asymmetric hyperbolic rolled concrete arch dam structure according to claim 1, it is characterised in that：The middle pier
（5）The upper upstream face positioned at dam body is provided with the gas vent of vertical structure（22）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721771671.3U CN207775831U (en) | 2017-12-18 | 2017-12-18 | A kind of asymmetric hyperbolic rolled concrete arch dam structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721771671.3U CN207775831U (en) | 2017-12-18 | 2017-12-18 | A kind of asymmetric hyperbolic rolled concrete arch dam structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207775831U true CN207775831U (en) | 2018-08-28 |
Family
ID=63226383
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721771671.3U Active CN207775831U (en) | 2017-12-18 | 2017-12-18 | A kind of asymmetric hyperbolic rolled concrete arch dam structure |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113026672A (en) * | 2020-12-31 | 2021-06-25 | 贵阳市水利水电勘测设计研究院有限公司 | Construction method for construction engineering dam on karst landform |
| CN114991091A (en) * | 2022-05-10 | 2022-09-02 | 中国葛洲坝集团第二工程有限公司 | Anti-impact wear-resistant concrete pouring method for hyperbolic twisted surface flow surface bottom plate |
-
2017
- 2017-12-18 CN CN201721771671.3U patent/CN207775831U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113026672A (en) * | 2020-12-31 | 2021-06-25 | 贵阳市水利水电勘测设计研究院有限公司 | Construction method for construction engineering dam on karst landform |
| CN114991091A (en) * | 2022-05-10 | 2022-09-02 | 中国葛洲坝集团第二工程有限公司 | Anti-impact wear-resistant concrete pouring method for hyperbolic twisted surface flow surface bottom plate |
| CN114991091B (en) * | 2022-05-10 | 2024-03-22 | 中国葛洲坝集团第二工程有限公司 | Anti-impact and wear-resistant concrete pouring method for bottom plate of double-twist-surface overflow surface |
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