CN218622112U

CN218622112U - Earth-rock dam overtopping and bursting prevention water outlet structure

Info

Publication number: CN218622112U
Application number: CN202222404100.3U
Authority: CN
Inventors: 周建平; 杜效鹄; 周兴波; 江婷; 杨子儒
Original assignee: China Water Resources And Hydropower Construction Engineering Consulting Co ltd; General Institute Of Hydropower And Water Resources Planning And Design Co ltd; China Renewable Energy Engineering Institute
Current assignee: China Water Resources And Hydropower Construction Engineering Consulting Co ltd; General Institute Of Hydropower And Water Resources Planning And Design Co ltd; China Renewable Energy Engineering Institute
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2023-03-14
Anticipated expiration: 2032-09-09

Abstract

The utility model belongs to the technical field of hydraulic and hydroelectric engineering, and an embankment dam prevents outlet structure that overtopped burst was broken down, including the earth and rockfill dam body, the weir has been seted up on the top of earth and rockfill dam body, the sluicing tank that is located the weir right side has been seted up to the inside of earth and rockfill dam body, the equal fixed mounting in inside of crossing weir and sluicing tank has slope foot protective structure, slope foot protective structure's top fixed mounting is located the barricade of crossing weir and sluicing tank both sides. The utility model discloses a set up water weir and sluicing groove and barricade, because the design of crossing water weir and sluicing groove and barricade, when taking place the overtopping at the water level, flood will be followed through sluicing groove along crossing the water weir and carry out the flood discharge to make the barricade block the water conservancy diversion to rivers, thereby effectively avoid reservoir water level overtopping to cause the embarrassment of earth and rockfill dam, improve the rockfill dam and resist the great effect in the aspect of exceeding standard flood ability, and then reached the purpose of preventing the overtopping and burst.

Description

Earth-rock dam overtopping and bursting prevention water outlet structure

Technical Field

The utility model belongs to the technical field of hydraulic and hydroelectric engineering, specifically be an earth and rockfill dam prevents overtopping and bursts outlet structure who decides.

Background

The water conservancy and hydropower engineering is an important infrastructure for guaranteeing the sustainable development of national economy, and mainly comprises facilities such as dams and the like, and the dams are used for flood control, power generation, irrigation, water supply, ecological environment protection and the like.

At present, due to extreme weather, super-strong rainfall, local rainstorm, landslide, barrage, lake blockage and the like, the water level of water flow in a reservoir is too high, standard flood can be caused, the dam break of the reservoir dam can be caused seriously, the life and property safety of people can be damaged, and the dam is prevented from breaking due to the fact that the flood overflows the top of the dam, so that improvement needs to be carried out.

SUMMERY OF THE UTILITY MODEL

The utility model aims at above problem, the utility model provides an earth and rockfill dam prevents overtopping and bursts outlet structure who decides has the advantage of preventing overtopping and bursting.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an embankment dam prevents outlet structure of bursting of overtopping, includes the earth and rockfill dam body, the weir has been seted up on the top of earth and rockfill dam body, the sluicing groove that is located the weir right side is crossed to the inside of earth and rockfill dam body, the equal fixed mounting in inside of crossing weir and sluicing groove has toe protective structure, toe protective structure's top fixed mounting is located the barricade of crossing weir and sluicing groove both sides, the top fixed mounting of earth and rockfill dam body has dam crown road surface, self-compaction rock-fill concrete bed course has been laid to the bottom of barricade.

As the utility model discloses preferred, cross the weir and all should adopt reinforced concrete to make with the barricade with the sluicing groove, and the three wholly presents for concave type.

As the utility model discloses preferred, toe protective structure adopts guest check cage, boulder and concrete to pave and makes, and self-compaction rockfill concrete cushion adopts local slip casting to consolidate or the cemented rockfill of self-compaction mortar and granule to make.

As the utility model discloses it is preferred, the inside both sides of earth and rockfill dam body are all fixed the waterproof piece of having cup jointed, waterproof piece adopts pitch to make.

As the utility model discloses it is preferred, the inside fixed mounting of earth and rockfill dam body has first steel mesh layer, the side of first steel mesh layer and the side fixed connection of waterproof piece.

As the utility model discloses it is preferred, the inside fixed mounting of earth and rockfill dam body has the connecting block, the side and the first steel mesh layer fixed connection of connecting block.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up water weir and sluicing groove and barricade, because the design of crossing water weir and sluicing groove and barricade, when taking place the overtopping at the water level, flood will be followed through sluicing groove along crossing the water weir and carry out the flood discharge to make the barricade block the water conservancy diversion to rivers, thereby effectively avoid reservoir water level overtopping to cause the embarrassment of earth and rockfill dam, improve the rockfill dam and resist the great effect in the aspect of exceeding standard flood ability, and then reached the purpose of preventing the overtopping and burst.

2. The utility model discloses a set up waterproof piece and first steel mesh layer and connecting block, because the design of waterproof piece, thereby make it stop that external rivers permeate into the inside structure of the inside corruption of earth and rockfill dam body, and make it stop earth and rockfill dam body landslide, then because the design of first steel mesh layer, thereby will make it improve the holistic fastness of waterproof piece, afterwards because the design of connecting block, thereby will make it play good fixed connection effect to two first steel mesh layers, and then strengthened first steel mesh layer to the holistic intensity of this dam body, thereby the mesh of antiskid slope has been reached.

Drawings

FIG. 1 is a schematic view of the general structure of the present invention;

fig. 2 is a schematic view of the overall structure in another aspect of the present invention;

FIG. 3 is a schematic sectional view of the front side of the water weir of the present invention in a general aspect;

FIG. 4 is a schematic front sectional view of a weir according to another aspect of the present invention;

FIG. 5 is a schematic view of the internal side sectional structure of the present invention;

fig. 6 is a schematic view of a part a of the enlarged structure in fig. 5.

In the figure: 1. an earth and rockfill dam body; 2. a water-passing weir; 3. a water discharge tank; 4. retaining walls; 5. a toe guard structure; 6. a dam crest road surface; 7. self-compacting rock-fill concrete cushion; 8. a waterproof block; 9. a first steel mesh layer; 10. and (4) connecting the blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 6, the utility model provides an earth and rock dam prevents outlet structure that overtopping burst, including earth and rock dam body 1, weir 2 has been seted up on earth and rock dam body 1's top, sluice tank 3 that is located weir 2 right side has been seted up to earth and rock dam body 1's inside, the equal fixed mounting in inside of crossing weir 2 and sluice tank 3 has toe guard structure 5, toe guard structure 5's top fixed mounting is located the barricade 4 of crossing weir 2 and sluice tank 3 both sides, earth and rock dam body 1's top fixed mounting has dam crown road surface 6, self-compaction rock-fill concrete bed course 7 has been laid to barricade 4's bottom, as shown in fig. 1, 3, dam crown road surface 6 sets up the upper and lower gentle slope near broad crown weir, so that vehicle is smooth, as shown in fig. 2, 4, dam crown road surface 6 establishes the mound bridge near curve type practical weir so that vehicle straight line is current.

Referring to fig. 3 and 4, the water weir 2, the water drainage groove 3 and the retaining wall 4 are made of reinforced concrete, and the three are concave.

As a technical optimization scheme of the utility model, through the design of crossing weir 2 and sluicing groove 3 and barricade 4 to will make rivers loop through sluicing groove 3 and barricade 4 and cross weir 2 and discharge and carry out the flood discharge, and make barricade 4 block the water conservancy diversion to rivers.

Referring to fig. 3 and 4, the toe protection structure 5 is made of a gabion cage, boulders and concrete cover, and the self-compacting rockfill concrete cushion 7 is made of local grouting reinforcement or self-compacting mortar cementing of the boulders and particles.

As a technical optimization scheme of the utility model, because the design of toe protective structure 5 to make it carry out the antiscour protection to 3 ends of sluicing groove and the suitable scope in 1 low reaches of earth and rockfill dam body, because the design of self-compaction rock-fill concrete bed course 7, thereby make its 1 basic bearing capacity of reinforcing earth and rockfill dam body and anti erosion resistance.

Referring to fig. 5 and 6, waterproof blocks 8 are fixedly sleeved on two sides of the interior of the earth-rock dam body 1, and the waterproof blocks 8 are made of asphalt.

As a technical optimization scheme of the utility model, through the design of waterproof piece 8 to make it stop that external rivers permeate the structure of its inside corruption of the embankment dam body 1 inside.

Referring to fig. 5 and 6, a first steel mesh layer 9 is fixedly installed inside the earth and rockfill dam body 1, and a side surface of the first steel mesh layer 9 is fixedly connected with a side surface of the waterproof block 8.

As a technical optimization scheme of the utility model, through the design of first steel mesh layer 9 to will make it improve the holistic fastness of waterproof piece 8.

Referring to fig. 5 and 6, a connecting block 10 is fixedly installed inside the earth and rockfill dam body 1, and the side surface of the connecting block 10 is fixedly connected with the first steel mesh layer 9.

As a technical optimization scheme of the utility model, through the design of connecting block 10 to will make it play good fixed connection effect to two first steel mesh layers 9, and then strengthened the holistic intensity of this dam body.

The utility model discloses a theory of operation and use flow:

when the water level exceeds the top of the overflow dam to be about to overflow, flood can be discharged along the overflow weir 2 through the water discharge groove 3, and the retaining wall 4 can block and guide water flow, so that the phenomenon that the earth-rock dam breaks due to overflow of the reservoir water level is effectively avoided, an important effect is achieved on the aspect of improving the capability of the earth-rock dam for resisting over-standard flood, and the purpose of preventing the overtopping and breaking is achieved.

Simultaneously, will make waterproof piece 8 block external rivers infiltration and corrode its inside structure of the internal portion of the embankment dam body 1, and make it block embankment dam body 1 landslide, this moment because the design of first steel net layer 9, thereby will make it improve the holistic fastness of waterproof piece 8, then because the design of connecting block 10, thereby will make it play good fixed connection effect to two first steel net layers 9, and then strengthened the holistic intensity of this dam body, thereby the mesh of antiskid slope has been reached.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an earth and rockfill dam prevents that overtopping bursts structure of discharging, includes earth and rockfill dam body (1), its characterized in that: the top of earth and rockfill dam body (1) has been seted up weir (2), sluice drain (3) that are located weir (2) right side have been seted up to the inside of earth and rockfill dam body (1), the equal fixed mounting in inside of crossing weir (2) and sluice drain (3) has slope foot protective structure (5), the top fixed mounting of slope foot protective structure (5) is located barricade (4) of weir (2) and sluice drain (3) both sides, the top fixed mounting of earth and rockfill dam body (1) has dam crown road surface (6), self-compaction rock-fill concrete bed course (7) have been laid to the bottom of barricade (4).

2. The earth and rockfill dam flood-roof-burst-preventing water discharge building structure as claimed in claim 1, wherein: the water passing weir (2), the water drainage groove (3) and the retaining wall (4) are made of reinforced concrete, and the three are concave.

3. The earth and rockfill dam overtopping and bursting water outlet building structure according to claim 1, wherein: waterproof blocks (8) are fixedly sleeved on two sides of the interior of the earth-rock dam body (1), and the waterproof blocks (8) are made of asphalt.

4. The earth and rockfill dam flood-roof-burst-preventing water discharge building structure as claimed in claim 1, wherein: a first steel mesh layer (9) is fixedly installed inside the earth-rock dam body (1), and the side face of the first steel mesh layer (9) is fixedly connected with the side face of the waterproof block (8).

5. The earth and rockfill dam overtopping and bursting water outlet building structure according to claim 1, wherein: the interior fixed mounting of earth and rockfill dam body (1) has connecting block (10), the side and the first steel mesh layer (9) fixed connection of connecting block (10).