CN210177469U - Large-traffic high-flow velocity sluicing groove structure - Google Patents

Large-traffic high-flow velocity sluicing groove structure Download PDF

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Publication number
CN210177469U
CN210177469U CN201920744275.4U CN201920744275U CN210177469U CN 210177469 U CN210177469 U CN 210177469U CN 201920744275 U CN201920744275 U CN 201920744275U CN 210177469 U CN210177469 U CN 210177469U
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China
Prior art keywords
bottom plate
section
side wall
flow
slope
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Expired - Fee Related
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CN201920744275.4U
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Chinese (zh)
Inventor
Yan Zhang
张岩
Qinzhi Yan
严沁之
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Guodian Dadu River Hydropower Development Co Ltd
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Guodian Dadu River Hydropower Development Co Ltd
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Abstract

The utility model discloses a large-flow high-flow-rate water drainage tank structure, which comprises an open tank body; the open groove body comprises a first bottom plate, a second bottom plate, a left side wall and a right side wall which are longitudinally arranged, the second bottom plate is arranged below the first bottom plate, and the lower ends of the left side wall and the right side wall are respectively connected with the first bottom plate; the open trough body is longitudinally divided into a front section bottom slope and a rear section bottom slope, and the front section bottom slope is connected with the rear section bottom slope through a falling sill section; the first bottom plate is provided with a plurality of transverse expansion joints along the longitudinal direction, and the left side wall and the right side wall are both provided with a plurality of vertical expansion joints corresponding to the transverse expansion joints of the first bottom plate along the longitudinal direction; two aerator sections are arranged on the back section bottom slope. The utility model discloses bearing capacity is strong, and stable in structure is difficult to the fracture, guarantees resident on every sideThe safety of ground and important facilities, because of stable structure, can bear large-traffic high velocity of flow rivers, and the maximum discharge reaches 4000m3And/s, the maximum flow velocity reaches 50 m/s.

Description

Large-traffic high-flow velocity sluicing groove structure
Technical Field
The utility model belongs to the technical field of flood control equipment, concretely relates to large-traffic high flow velocity sluicing groove structure.
Background
The flood discharge passage is a flood control device for reservoir construction, is built on one side of a dam, and when the water level in the reservoir exceeds the safety limit, water flows out of the flood discharge passage to prevent the dam from being damaged.
The conventional spillway is not enough in bearing capacity due to the influence of a flowing geological structure, is unstable in structure and is easy to break, so that potential safety hazards are caused to surrounding residents and important facilities.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the prior art, the utility model aims to provide a large-traffic high flow velocity sluicing groove structure.
The utility model discloses the technical scheme who adopts does:
a large-flow high-flow-rate water drainage tank structure comprises an open tank body;
the open groove body comprises a first bottom plate, a second bottom plate, a left side wall and a right side wall which are longitudinally arranged, the second bottom plate is arranged below the first bottom plate, and the lower ends of the left side wall and the right side wall are respectively connected with the first bottom plate;
the open groove body is longitudinally divided into a front section bottom slope and a rear section bottom slope, the front section bottom slope is connected with the rear section bottom slope through a ridge falling section, the gradient i of the front section bottom slope is 0.010-0.020, and the gradient i of the rear section bottom slope B is 0.4-0.5;
the first bottom plate is provided with a plurality of transverse expansion joints along the longitudinal direction, and the left side wall and the right side wall are both provided with a plurality of vertical expansion joints corresponding to the transverse expansion joints of the first bottom plate along the longitudinal direction;
and the back section bottom slope is provided with an aerator section.
Because the geological structure influence of flowing through, bearing capacity is not enough in order to solve traditional spillway, and the unstable structure is easy fracture to cause the defect of potential safety hazard to resident ground and important facility on every side, the utility model discloses set up first bottom plate and second bottom plate, reinforcing bearing capacity, transverse expansion joint have strengthened the restraint of front and back plate interblock, prevent the dislocation.
On the basis of the technical scheme, the falling sill section comprises a first falling sill, a horizontal section and an arc section which are integrally formed, the upper end of the first falling sill is connected with the tail end of the front section bottom slope, the lower end of the first falling sill is connected with one longitudinal end of the horizontal section, and the other longitudinal end of the horizontal section is connected with the starting end of the rear section bottom slope.
On the basis of the technical scheme, the first bottom plate positioned at the horizontal section is provided with a transverse expansion joint. The falling sill section forms an effective cavity, so that the high-speed water flow crosses the transverse expansion joint, and the transverse expansion joint is prevented from being impacted by the high-speed water flow.
On the basis of the technical scheme, the aerator section comprises a second drop sill, a first straight line section and a second straight line section which are integrally formed, the upper end of the second drop sill is connected with the rear section bottom slope above the second drop sill, the lower end of the second drop sill is connected with the longitudinal end of the first straight line section, the longitudinal other end of the first straight line section is connected with the longitudinal end of the second straight line section, and the longitudinal other end of the second straight line section is connected with the rear section bottom slope below the second straight line section.
On the basis of the technical scheme, the first bottom plate positioned on the first straight line segment is provided with a transverse expansion joint. The aerator bucket section forms an effective cavity, so that the high-speed water flow crosses the transverse expansion joint, and the transverse expansion joint is prevented from being impacted by the high-speed water flow.
On the basis of the technical scheme, the transverse expansion joint is provided with a trapezoidal key groove, a trapezoidal key, a water-stopping copper sheet and a rubber water-stopping sheet are arranged in the trapezoidal key groove, the water-stopping copper sheet and the rubber water-stopping sheet are arranged in a gap between the trapezoidal key and the trapezoidal key groove, and the groove wall of the trapezoidal key groove is also provided with an emulsified asphalt layer;
the vertical expansion joint is provided with a key groove, a key, a water stop copper sheet and a rubber water stop sheet are arranged in the key groove, the water stop copper sheet and the rubber water stop sheet are arranged in a gap between the key and the key groove, and the groove wall of the key groove is also provided with an emulsified asphalt layer.
The trapezoidal key groove further strengthens the restraint between the front plate block and the rear plate block, and prevents dislocation.
On the basis of the technical scheme, a plurality of transverse drainage blind ditches are longitudinally arranged between the first bottom plate and the second bottom plate, vertical drainage blind ditches corresponding to the transverse drainage blind ditches in position and communicated with the transverse drainage blind ditches are arranged on the left side wall or the right side wall, a drainage gallery is further longitudinally arranged between the first bottom plate and the second bottom plate, and the drainage gallery is communicated with all the transverse drainage blind ditches.
The transverse drainage blind ditch, the vertical drainage blind ditch and the drainage gallery prevent the rock foundation from water seepage, and ensure the stability of the open trough body.
On the basis of the technical scheme, the first bottom plate, the second bottom plate, the left side wall and the right side wall are all made of concrete.
On the basis of the technical scheme, in order to stabilize the connection between the first bottom plate and the second bottom plate and the connection between the second bottom plate and the rock foundation and prevent the first bottom plate and the second bottom plate from being staggered and the second bottom plate and the rock foundation from being staggered, the open trough body is also longitudinally provided with a plurality of anchor bar groups and a plurality of consolidation grouting groups, one ends of the anchor bar groups are connected with the first bottom plate, and the other ends of the anchor bar groups penetrate through the second bottom plate and extend into the rock foundation; one end of the consolidation grouting group is connected with the first bottom plate, and the other end of the consolidation grouting group penetrates through the second bottom plate and extends into the rock base.
On the basis of the technical scheme, in order to strengthen the stability of the left side wall and the right side wall, the anchor bar group and the consolidation grouting group are arranged below the left side wall and the right side wall, or the anchor bar group and the consolidation grouting group are arranged at the end parts of the two transverse ends of the first bottom plate.
The left side wall or the right side wall is a balance weight type or gravity type retaining wall, when the left side wall is the balance weight type or gravity type retaining wall, the right side wall positioned at the tail end of the rear section bottom slope is the balance weight type or gravity type retaining wall, and the right side wall positioned at the rest parts of the front section bottom slope, the drop sill section and the rear section bottom slope is a slope-attached upright retaining wall; when the right side wall is a balance weight type or gravity type retaining wall, the left side wall positioned at the tail end of the rear section bottom slope is the balance weight type or gravity type retaining wall, and the left side wall positioned at the rest parts of the front section bottom slope, the drop sill section and the rear section bottom slope is a slope-attached vertical retaining wall.
The utility model has the advantages that:
the utility model discloses bearing capacity is strong, and stable in structure is difficult to the fracture, guarantees the safety of resident ground and important facility on every side, because stable in structure, consequently can bear large-traffic high velocity of flow rivers, the biggest discharge capacityUp to 4000m3And/s, the maximum flow velocity reaches 50 m/s.
Drawings
Fig. 1 is a schematic side view of an embodiment of the present invention.
Fig. 2 is a schematic side view of a drop sill section according to an embodiment of the present invention.
Fig. 3 is a schematic side view of an aerator section according to an embodiment of the present invention.
Fig. 4 is a schematic sectional structure view of 1-1 of fig. 1.
Fig. 5 is a schematic cross-sectional structure of 2-2 of fig. 1.
Fig. 6 is a schematic sectional structure view of 3-3 of fig. 1.
Fig. 7 is a schematic cross-sectional view of 4-4 of fig. 1.
In the figure: 001-first base plate; 002-a second bottom plate; 003-left side wall; 004-right side wall; 005-anchor bar group; 006-consolidation grouting group; 007-transverse drainage blind ditches; 008-drainage gallery; 009-vertical drainage blind ditch; a-front section bottom slope; b-rear section bottom slope; c-a bank drop section; 301-first drop threshold; 302-horizontal segment; 303-arc section; d-aerator section; 402-a first straight line segment; 403-a second straight line segment; 5-flood discharge tunnel; 6-ground line; 7-flip bucket section.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Example (b):
as shown in fig. 1-7, the large-flow high-flow-rate drainage channel structure of the present embodiment includes an open channel body, the open channel body includes a first bottom plate 001, a second bottom plate 002, a left side wall 003 and a right side wall 004 which are longitudinally arranged, wherein the second bottom plate 002 is disposed below the first bottom plate 001, and the lower ends of the left side wall 003 and the right side wall 004 are respectively connected with the first bottom plate 001.
In this embodiment, the cross section of the inner surface of the open channel body is rectangular.
The open trough body is longitudinally divided into a front section bottom slope A and a rear section bottom slope B connected with the front section bottom slope through a sill falling section C.
Because the geological structure influence of flowing through, bearing capacity is not enough in order to solve traditional spillway, and the unstable structure is easy fracture to cause the defect of potential safety hazard to resident ground and important facility on every side, the utility model discloses set up first bottom plate 001 and second bottom plate 002, reinforcing bearing capacity.
The slope i of the front bottom slope a is 0.010-0.020, the slope i of the front bottom slope a is 0.015 in this embodiment, the slope i of the rear bottom slope B is 0.4-0.5 in this embodiment, and the slope i of the rear bottom slope B is 0.462 in this embodiment.
The falling threshold section C comprises a first falling threshold 301, a horizontal section 302 and an arc section 303 which are integrally formed, wherein the upper end of the first falling threshold 301 is connected with the tail end of the front section bottom slope 1, the lower end of the first falling threshold 301 is connected with one longitudinal end of the horizontal section 302, and the other longitudinal end of the horizontal section 302 is connected with the starting end of the rear section bottom slope B.
Explanation: the longitudinal direction of this embodiment is the water flow direction, and the transverse direction is the direction perpendicular to the water flow direction.
In this embodiment, the height of the first step 301 is 1.5m, the length of the horizontal segment 302 is 3m, and the radius of the circular arc segment 303 is 20 m.
The rear-section bottom slope B is provided with two aerator sections D, each aerator section D comprises a second drop sill 401, a first straight line section 402 and a second straight line section 403 which are integrally formed, wherein the upper end of the second drop sill 401 is connected with the rear-section bottom slope B above, the lower end of the second drop sill 401 is connected with one longitudinal end of the first straight line section 402, the other longitudinal end of the first straight line section 402 is connected with one longitudinal end of the second straight line section 403, and the other longitudinal end of the second straight line section 403 is connected with the rear-section bottom slope B below.
First bottom plate 001 is equipped with a plurality of horizontal expansion joints along vertically, and horizontal expansion joint has strengthened the restraint between the front and back board piece, prevents the dislocation. Further, the first bottom plate 001 located at the horizontal section 302 and the first straight line section 402 is also provided with a transverse expansion joint, so that the sill falling section C and the aerator sill section D form an effective cavity, and further, the high-speed water flow crosses the transverse expansion joint, thereby avoiding the transverse expansion joint from being impacted by the high-speed water flow.
The transverse expansion joint is provided with a trapezoidal key groove, a trapezoidal key, a water stop copper sheet and a rubber water stop sheet are arranged in the trapezoidal key groove, the water stop copper sheet and the rubber water stop sheet are arranged in a gap between the trapezoidal key and the trapezoidal key groove, and the groove wall of the trapezoidal key groove is also provided with an emulsified asphalt layer. The trapezoidal key groove further strengthens the restraint between the front plate block and the rear plate block, and prevents dislocation.
The left side wall 003 and the right side wall 004 are all along vertically being equipped with a plurality of vertical expansion joints that correspond with the horizontal expansion joint position of first bottom plate 001, and vertical expansion joint is equipped with the keyway, is equipped with key, stagnant water copper sheet and rubber stagnant water piece in the keyway, and the gap between key and keyway is located to stagnant water copper sheet and rubber stagnant water piece, and the cell wall of keyway still is equipped with the emulsification pitch layer.
In this embodiment, a plurality of horizontal drainage blind ditches 007 are longitudinally arranged between the first bottom plate 001 and the second bottom plate 002, the vertical drainage blind ditches 009 corresponding to the horizontal drainage blind ditches 007 and communicated with the horizontal drainage blind ditches 007 are arranged on the left side wall 003 or the right side wall 004, a drainage gallery 008 is further longitudinally arranged between the first bottom plate 001 and the second bottom plate 002, the drainage gallery 008 is communicated with all the horizontal drainage blind ditches 007, and the horizontal drainage blind ditches 007 and the vertical drainage blind ditches 009 are made of plastics. The transverse drainage blind ditches 007, the vertical drainage blind ditches 009 and the drainage galleries 008 prevent the rock foundation from water seepage, and the stability of the open trough body is ensured.
First bottom plate 001, second bottom plate 002, left side wall 003 and right side wall 004 all adopt the concrete to make. In this embodiment, the upstream surfaces of the first bottom plate 001, the left side wall 003 and the right side wall 004 are C9040 or C9050 impact-resistant and wear-resistant concrete, wherein C is adopted for the slope surfaces of the second bottom plate 002, the left side wall 003 and the right side wall 0049030 concrete.
In order to stabilize the connection of first bottom plate 001 and second bottom plate 002 and the connection of second bottom plate 002 and rock-base, prevent that dislocation from appearing in first bottom plate 001 and second bottom plate 002 and dislocation appear in second bottom plate 002 and rock-base, open cut groove body still along vertical a plurality of anchor muscle groups 005 and a plurality of consolidation grout group 006.
Anchor bar group 005 includes one and locates the anchor bar at center and four anchor bars that the anchor bar set up around the center, and the one end and the first bottom plate 001 of anchor bar are connected, and the other end of anchor bar passes second bottom plate 002 and extends to in the rock-base.
Consolidation grout group 006 includes a grout post of locating the center and four grout posts that set up around the grout post at center, and the one end and the first bottom plate 001 of grout post are connected, and the other end of grout post passes second bottom plate 002 and extends to in the rock-base.
In order to strengthen the stability of the left side wall 003 and the right side wall 004, the anchor bar group 005 and the consolidation grouting group 006 are arranged below the left side wall 003 and the right side wall 004, or the anchor bar group 005 and the consolidation grouting group 006 are arranged at the end parts of the two transverse ends of the first bottom plate 001.
The left side wall 003 or the right side wall 004 is a balance weight type or gravity type retaining wall, when the left side wall 003 is the balance weight type or gravity type retaining wall, the right side wall 004 positioned at the tail end of the rear section bottom slope B is the balance weight type or gravity type retaining wall, and the right side wall 004 positioned at the rest parts of the front section bottom slope A, the drop sill section C and the rear section bottom slope B is a slope-attached upright retaining wall; when the right side wall 004 is a weight-balancing or gravity-type retaining wall, the left side wall 003 at the tail end of the rear-section bottom slope B is a weight-balancing or gravity-type retaining wall, and the left side wall 003 at the rest parts of the front-section bottom slope a, the drop sill section C and the rear-section bottom slope B is a slope-attaching upright retaining wall.
The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.

Claims (10)

1. The utility model provides a large-traffic high flow velocity sluicing groove structure which characterized in that: comprises an exposed groove body;
the open groove body comprises a first bottom plate (001), a second bottom plate (002), a left side wall (003) and a right side wall (004) which are longitudinally arranged, the second bottom plate is arranged below the first bottom plate, and the lower ends of the left side wall and the right side wall are respectively connected with the first bottom plate;
the open groove body is longitudinally divided into a front section bottom slope (A) and a rear section bottom slope (B), the front section bottom slope is connected with the rear section bottom slope through a ridge falling section (C), the gradient i of the front section bottom slope is 0.010-0.020, and the gradient i of the rear section bottom slope (B) is 0.4-0.5;
the first bottom plate is provided with a plurality of transverse expansion joints along the longitudinal direction, and the left side wall and the right side wall are both provided with a plurality of vertical expansion joints corresponding to the transverse expansion joints of the first bottom plate along the longitudinal direction;
and the back-section bottom slope is provided with an aerator section (D).
2. The large-flow high-flow-rate drainage channel structure according to claim 1, wherein: the falling threshold section comprises a first falling threshold (301), a horizontal section (302) and an arc section (303) which are integrally formed, the upper end of the first falling threshold is connected with the tail end of the front section bottom slope, the lower end of the first falling threshold is connected with one longitudinal end of the horizontal section, and the other longitudinal end of the horizontal section is connected with the starting end of the rear section bottom slope.
3. The large-flow high-flow-rate drainage channel structure according to claim 2, wherein: the first bottom plate positioned at the horizontal section is provided with a transverse expansion joint.
4. The large-flow high-flow-rate drainage channel structure according to claim 1, wherein: the aerator comprises an aerator bucket section and an aerator bucket section, wherein the aerator bucket section comprises a second drop sill (401), a first straight line section (402) and a second straight line section (403) which are integrally formed, the upper end of the second drop sill is connected with the rear section bottom slope above the second drop sill, the lower end of the second drop sill is connected with the longitudinal end of the first straight line section, the longitudinal other end of the first straight line section is connected with the longitudinal end of the second straight line section, and the longitudinal other end of the second straight line section is connected with the rear section bottom slope below the second straight line section.
5. The large-flow high-flow-rate drainage channel structure according to claim 4, wherein: the first bottom plate located on the first straight line section is provided with a transverse expansion joint.
6. The structure of a large-flow high-flow-rate drainage channel according to any one of claims 1 to 5, wherein: the transverse expansion joint is provided with a trapezoidal key groove, a trapezoidal key, a water stop copper sheet and a rubber water stop sheet are arranged in the trapezoidal key groove, the water stop copper sheet and the rubber water stop sheet are arranged in a gap between the trapezoidal key and the trapezoidal key groove, and the wall of the trapezoidal key groove is also provided with an emulsified asphalt layer;
the vertical expansion joint is provided with a key groove, a key, a water stop copper sheet and a rubber water stop sheet are arranged in the key groove, the water stop copper sheet and the rubber water stop sheet are arranged in a gap between the key and the key groove, and the groove wall of the key groove is also provided with an emulsified asphalt layer.
7. The large-flow high-flow-rate drainage channel structure according to claim 1, wherein: a plurality of transverse drainage blind ditches (007) are longitudinally arranged between the first bottom plate and the second bottom plate, vertical drainage blind ditches (009) which correspond to the transverse drainage blind ditches in position and are communicated with the transverse drainage blind ditches are arranged on the left side wall or the right side wall, drainage galleries (008) are further longitudinally arranged between the first bottom plate and the second bottom plate, and the drainage galleries are communicated with all the transverse drainage blind ditches.
8. The large-flow high-flow-rate drainage channel structure according to claim 1, wherein: the first bottom plate, the second bottom plate, the left side wall and the right side wall are all made of concrete.
9. The large-flow high-flow-rate drainage channel structure according to claim 1, wherein: the open channel body is also provided with a plurality of anchor bar groups (005) and a plurality of consolidation grouting groups (006) along the longitudinal direction, one end of each anchor bar group is connected with the first bottom plate, and the other end of each anchor bar group penetrates through the second bottom plate and extends into a rock foundation; one end of the consolidation grouting group is connected with the first bottom plate, and the other end of the consolidation grouting group penetrates through the second bottom plate and extends into the rock base.
10. The large-flow high-flow-rate drainage channel structure according to claim 9, wherein: the anchor bar group and the consolidation grouting group are arranged below the left side wall and the right side wall, or the anchor bar group and the consolidation grouting group are arranged at the end parts of the two transverse ends of the first bottom plate.
CN201920744275.4U 2019-05-21 2019-05-21 Large-traffic high-flow velocity sluicing groove structure Expired - Fee Related CN210177469U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920744275.4U CN210177469U (en) 2019-05-21 2019-05-21 Large-traffic high-flow velocity sluicing groove structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920744275.4U CN210177469U (en) 2019-05-21 2019-05-21 Large-traffic high-flow velocity sluicing groove structure

Publications (1)

Publication Number Publication Date
CN210177469U true CN210177469U (en) 2020-03-24

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ID=69835286

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920744275.4U Expired - Fee Related CN210177469U (en) 2019-05-21 2019-05-21 Large-traffic high-flow velocity sluicing groove structure

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CP01 Change in the name or title of a patent holder

Address after: No.7 Tianyun Road, high tech Zone, Chengdu, Sichuan 610000

Patentee after: Guoneng Dadu River Basin Hydropower Development Co.,Ltd.

Address before: No.7 Tianyun Road, high tech Zone, Chengdu, Sichuan 610000

Patentee before: DADU RIVER HYDROPOWER DEVELOPMENT Co.,Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200324

Termination date: 20210521