CN214613875U - Anti-impact structure combining earth and stone with gelled sand and gravel - Google Patents
Anti-impact structure combining earth and stone with gelled sand and gravel Download PDFInfo
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- CN214613875U CN214613875U CN202022529531.3U CN202022529531U CN214613875U CN 214613875 U CN214613875 U CN 214613875U CN 202022529531 U CN202022529531 U CN 202022529531U CN 214613875 U CN214613875 U CN 214613875U
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Abstract
The utility model discloses an anti-impact structure combining earth and stone with gelled sand and gravel, which comprises an earth and stone structure positioned above an anti-seepage boundary and a lower layer structure positioned below the anti-seepage boundary; the lower layer structure comprises a gelled sand gravel structure arranged on one side of the water-facing area or gelled sand gravel structures respectively arranged on two sides of the water-facing area and two sides of the back water area. According to the anti-impact structure, the upper part adopts a soil-rock structure, and the lower part adopts a sandwich filling structure of gelled sand gravel and a soil-rock material, so that the anti-impact structure adapts to local terrain arrangement conditions, improves the anti-impact performance of the structure, and saves engineering investment and construction period.
Description
Technical Field
The utility model belongs to the technical field of water and electricity hydraulic engineering, concretely relates to anti towards structure that soil stone and gelatinization sand gravel combine mainly is applicable to the anti towards structure in the position is promoted in water and electricity hydraulic engineering office.
Background
Most of domestic western hydroelectric and hydraulic engineering is located in narrow valleys of mountainous areas, the width of a river channel is limited, water flow scouring is strong, the arrangement range of a cofferdam or a large dam is strictly limited under a local condition, while a general earth-rock structure water retaining building has better economical efficiency and easy construction characteristics, the problem of scouring of slope feet on the upstream surface is further highlighted inevitably caused by the narrowing of the current river channel, and the conventional protective structures such as riprap, a reinforced gabion and the like are difficult to meet the requirement of anti-scouring protection at high flow speed.
The gelled gravel is a material between concrete and earth and stone, has good seepage resistance and impact resistance, and is gradually applied to water conservancy and hydropower engineering as a cofferdam and dam filling material. The conventional gelled sand gravel water retaining structure takes the gelled sand gravel material as the whole structure or the main body part, so that the construction progress and the economic pressure of the engineering are increased.
The conventional earth-rock structure or cemented sand-gravel structure can not meet the requirements of hydropower and water conservancy projects with narrow river beds, high flow rate and short construction period at the same time. Based on the circumstances, the utility model provides an anti towards structure that soil stone and gelatinization sand gravel combine can effectively solve above problem.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at remedying the weak point of current earth and rockfill structure anti impact property, solve the conventional manger plate structure under the condition of local promotion and arrange a difficult problem, provide a simple structure, construction convenience, anti impact property is strong, and the lower earth and rockfill of cost and the anti impact structure that the sand gravel that gels combines.
In order to solve the technical problem, the utility model discloses a following technical scheme realizes:
an earth-rock and cemented sand-gravel combined impact-resistant structure comprises an earth-rock structure located above an impermeable boundary and a substructure located below the impermeable boundary; the lower layer structure comprises a gelled sand gravel structure arranged on one side of the water-facing area or gelled sand gravel structures respectively arranged on two sides of the water-facing area and two sides of the back water area.
As an optimal technical scheme of the utility model, when being provided with the gelatinization sand gravel structure respectively in the both sides in the meeting water district and back of the body water district, form the district of filling between two gelatinization sand gravel structures.
As an optimal technical scheme of the utility model, when only being provided with the gelatinization sand gravel structure on one side of the water-facing area, be provided with the district of filling on the lee side of this gelatinization sand gravel structure.
As an optimized technical scheme of the utility model, be provided with the bottom and extend to the plastic concrete cut-off wall that is used for anti-seepage in the basement rock in the axial direction of anti-impact structure body in the district of filling.
As an optimal technical scheme of the utility model, the top of plastic concrete cut-off wall is provided with the concrete guide wall that is used for the construction direction of plastic concrete cut-off wall, and its bottom is provided with the impervious curtain that is used for the impervious foundation bedrock.
As an optimal technical scheme of the utility model, follow plastic concrete cut-off wall length direction upwards the inside of embankment structure is provided with compound geomembrane.
As an optimized technical scheme of the utility model the bilateral symmetry of compound geomembrane is provided with stone sediment district, transition district and bedding district that outside-in arranged in proper order for structure upper portion manger plate.
As an optimized technical proposal of the utility model, the section of the gelled sand gravel structure is in a ladder shape or an arbitrary ladder shape with various sizes.
As an optimal technical scheme of the utility model, set up and laid the boulder in the outside weir foot of the gelatinization sand gravel structure of meeting water district for prevent that gelatinization sand gravel structure outside riverbed from washing.
As an optimal technical scheme of the utility model, set up in the domatic steel reinforcement gabion that is provided with of the earth-rock structure of meeting water district for prevent washing away of upper portion structure.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
the utility model provides an anti towards structure that soil stone and gelatinization sand gravel combined, upper portion adopt the soil stone structure, and the sandwich type filling structure of gelatinization sand gravel and soil stone material has been adopted to the lower part, has adapted to the short topography of office and has arranged the condition, has improved the anti towards performance of structure, has practiced thrift engineering investment and construction period.
Drawings
Fig. 1 is a schematic cross-sectional structure diagram of the gelled sand gravel structure of the present invention disposed on two sides;
fig. 2 is the sectional structure schematic diagram of the gelled sand gravel structure of the present invention disposed on one side.
Reference numerals: 1-gelled sand gravel structures; 2-filling area; 3-plastic concrete impervious wall; 4-an impervious curtain; 5-concrete guide wall; 6-ballast area; 7-a transition zone; 8-a pad region; 9-a composite geomembrane; 10-a steel bar gabion; 11-boulder.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the following description of the preferred embodiments of the present invention is given with reference to the accompanying examples, but it should be understood that the drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
During the design and construction of the anti-impact structure, according to the vertical distribution condition of the flow velocity of water flow, a certain height of the anti-impact structure is set as an anti-seepage boundary, gelled sand gravel is filled on two sides or one side below the boundary, gravel materials are filled in the middle of the anti-impact structure, and earth stones are filled above the boundary.
As shown in fig. 1 and 2, an impact-resistant structure of an earth-rock and cemented sand-gravel combination comprises an earth-rock structure located above an impermeable boundary and a substructure located below the impermeable boundary; a composite geomembrane 9 is arranged in the earth-rock structure upwards along the length direction of the plastic concrete impervious wall 3, and a ballast area 6, a transition area 7 and a cushion area 8 which are sequentially arranged from outside to inside are symmetrically arranged at two sides of the composite geomembrane 9 and are used for retaining water at the upper part of the structure body; wherein, the stone slag area 6 is filled with stone slag materials, and the transition area 7 and the cushion area 8 are filled with soil stones materials. And a steel reinforcement gabion 10 is arranged on the slope surface of the earth and rock structure arranged in the water-facing area and used for preventing the upper structural body from being washed away. The lower layer structure comprises a gelled sand gravel structure 1 arranged on one side of the water-facing area or gelled sand gravel structures 1 respectively arranged on two sides of the water-facing area and the two sides of the water-backing area, the cross section of each gelled sand gravel structure 1 is in a step shape or any trapezoid shape with various sizes, the distance of the gelled sand gravel structures 1 relative to the axis of the anti-impact structure can be adjusted, and the cross section does not intersect with the axis.
Further, in another embodiment, as shown in fig. 1, when gelled sand gravel structures 1 are respectively arranged on both sides of the water-facing area and the water-backing area, a filling area 2 is formed between the two gelled sand gravel structures 1, and the filling area 2 is filled with gravel materials. The gelled sand gravel structure 1 is divided into a water-facing area and a water-backing area, the water-facing area is used for preventing water flow on the water-facing surface from scouring the slope surface of the structure body, and the water-backing area is used for shrinking the structure body, so that the range of the foundation pit occupied by the structure body is reduced. The gravel material is arranged at the middle lower part of the anti-impact structure body and positioned in the middle of the upstream and downstream gelled sand gravel structures 1 to serve as a soil-rock structure at the lower part of the anti-seepage platform of the anti-impact structure body.
Specifically, a plastic concrete impervious wall 3 extending from the bottom into the bedrock for impervious against the lower portion of the impact-resistant structure 1 is provided in the landfill 2 along the axial direction of the impact-resistant structure. The top of the plastic concrete impervious wall 3 is provided with a concrete guide wall 5 for construction guide of the plastic concrete impervious wall 3, and the bottom of the plastic concrete impervious wall is provided with an impervious curtain 4 for seepage prevention of foundation bedrock. And large stones 11 are laid on the outer weir feet of the gelled sand gravel structure 1 arranged in the water-facing area and used for preventing the outer riverbed of the gelled sand gravel structure 1 from being washed.
Further, in another embodiment, as shown in fig. 2, when the cemented sand and gravel structure 1 is provided only on the water-facing side, a filling area 2 is provided on the backwater side of the cemented sand and gravel structure 1, and the filling area 2 is filled with gravel.
The utility model provides an anti towards structure that soil stone and gelatinization sand gravel combined, upper portion adopt the soil stone structure, and the sandwich type filling structure of gelatinization sand gravel and soil stone material has been adopted to the lower part, has adapted to the short topography of office and has arranged the condition, has improved the anti towards performance of structure, has practiced thrift engineering investment and construction period.
According to the description and drawings of the present invention, it is easy for those skilled in the art to manufacture or use the impact-resistant structure combining earth and rock with cemented sand and gravel, and the positive effects described in the present invention can be produced.
Unless otherwise specified, in the present invention, if the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are used for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass both fixed and removable connections, or integral connections; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.
Claims (10)
1. The utility model provides an anti impact structure that soil stone and gelled sand gravel combine which characterized in that: the anti-seepage concrete structure comprises an earth and rock structure positioned above an anti-seepage boundary and a lower layer structure positioned below the anti-seepage boundary; the lower layer structure comprises a gelled sand gravel structure arranged on one side of the water-facing area or gelled sand gravel structures respectively arranged on two sides of the water-facing area and two sides of the back water area.
2. The impact structure of the combination of earth and rock and cemented sand and gravel as claimed in claim 1, characterized in that: when the two sides of the water-facing area and the water-backing area are respectively provided with the gelled sand gravel structures, a filling area is formed between the two gelled sand gravel structures.
3. The impact structure of the combination of earth and rock and cemented sand and gravel as claimed in claim 1, characterized in that: when the gelled sand gravel structure is arranged on one side of the water facing area, a filling area is arranged on the back water side of the gelled sand gravel structure.
4. An impact-resistant structure of earth and rock combined with cemented sand and gravel according to claim 2 or 3, characterized in that: and a plastic concrete impervious wall with the bottom extending into the bedrock and used for preventing seepage at the lower part of the impact-resistant structure body is arranged in the filling area along the axial direction of the impact-resistant structure body.
5. The impact structure of the combination of earth and rock and cemented sand and gravel as claimed in claim 4, characterized in that: the top of the plastic concrete impervious wall is provided with a concrete guide wall for construction guide of the plastic concrete impervious wall, and the bottom of the plastic concrete impervious wall is provided with an impervious curtain for seepage prevention of foundation bedrock.
6. The impact structure of the combination of earth and rock and cemented sand and gravel as claimed in claim 4, characterized in that: and a composite geomembrane is arranged in the earth-rock structure upwards along the length direction of the plastic concrete impervious wall.
7. The impact structure of the combination of earth and rock and cemented sand and gravel as claimed in claim 6, characterized in that: and a ballast area, a transition area and a cushion area which are sequentially arranged from outside to inside are symmetrically arranged on two sides of the composite geomembrane and are used for retaining water on the upper part of the structure body.
8. The impact structure of the combination of earth and rock and cemented sand and gravel as claimed in claim 1, characterized in that: the section of the gelled sand gravel structure is stepped or any trapezoidal shape with various sizes.
9. The impact structure of the combination of earth and rock and cemented sand and gravel as claimed in claim 1, characterized in that: and large stones are laid on the outer side weir feet of the gelled sand gravel structure arranged in the water-facing area and used for preventing the outer side riverbed of the gelled sand gravel structure from being washed.
10. The impact structure of the combination of earth and rock and cemented sand and gravel as claimed in claim 1, characterized in that: and a steel reinforcement gabion is arranged on the slope surface of the earth and rock structure arranged in the water-facing area and used for preventing the upper structure body from being washed away.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022529531.3U CN214613875U (en) | 2020-11-05 | 2020-11-05 | Anti-impact structure combining earth and stone with gelled sand and gravel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022529531.3U CN214613875U (en) | 2020-11-05 | 2020-11-05 | Anti-impact structure combining earth and stone with gelled sand and gravel |
Publications (1)
| Publication Number | Publication Date |
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| CN214613875U true CN214613875U (en) | 2021-11-05 |
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| CN202022529531.3U Active CN214613875U (en) | 2020-11-05 | 2020-11-05 | Anti-impact structure combining earth and stone with gelled sand and gravel |
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| CN (1) | CN214613875U (en) |
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- 2020-11-05 CN CN202022529531.3U patent/CN214613875U/en active Active
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