CN216074984U

CN216074984U - Reservoir dam danger removing and reinforcing structure

Info

Publication number: CN216074984U
Application number: CN202122653773.8U
Authority: CN
Inventors: 李波
Original assignee: Anqiu Water Conservancy Bureau
Current assignee: Anqiu Water Conservancy Bureau
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-03-18
Anticipated expiration: 2031-10-29

Abstract

The utility model relates to the technical field of hydraulic engineering, in particular to a danger removing and reinforcing structure for a dam body of a reservoir. The danger removal and reinforcement structure for the reservoir dam body comprises a dam main body, wherein a concave channel is arranged at the top of the dam main body, and a reinforcement and protection mechanism and a concave channel stabilizing structure are further arranged on the dam main body. This dangerous reinforced structure is removed to reservoir dam body has the effect that flood impact harm was avoided to firm, protection dam main part, and the flood discharge effect is showing, avoids the flood peak to come the unrestrained impact to reservoir and external environment, has separation filter effect concurrently, has eliminated the problem that a large amount of debris rubbish are difficult to clear up in the reservoir behind the flood process.

Description

Reservoir dam danger removing and reinforcing structure

Technical Field

The utility model relates to the technical field of hydraulic engineering, in particular to a danger removing and reinforcing structure for a dam body of a reservoir.

Background

Reservoirs are one of the widely used engineering measures for flood control. A comprehensive utilization reservoir capable of regulating and storing flood is built at a proper position of an upstream river channel in a flood prevention area, the flood is blocked by utilizing the reservoir capacity of the reservoir, the peak flow entering the downstream river channel is reduced, and the aim of reducing and avoiding flood disasters is fulfilled.

The dam body is used as a main body for intercepting flood in a reservoir, concrete is generally adopted for pouring the dam body, however, along with the extension of the construction period, the dam body also has certain potential safety hazard and the risk of diking. Therefore, aiming at the existing reservoir dam body, people are continuously improving the danger removing and reinforcing measures, such as continuously pouring a concrete reinforcing wall on the water inlet side of the dam body. This measure can play better additional strengthening to the whole steadiness of dam body to a certain extent, but because concreting still need build the steel reinforcement cage, pouring time and setting time are fixed, have also brought the burden for the engineering, and are unfavorable for constructor to operate, have reduced the efficiency of construction.

In addition, accumulated water and flood peaks collected when arriving are generally washed away and carried with various sundries or garbage in the surrounding environment of the reservoir, and the impact of flood and the interference of the garbage cause great pressure and wound on the upstream surface of the dam body, and are inconvenient for cleaning the reservoir subsequently. Therefore, the existing reservoir dam body needs to be optimized to have a reinforced structure design, so that the effects of flood control and stability and safety at the initial interval of dam construction are realized, and the burden of subsequent auxiliary reinforcement on construction engineering is avoided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a danger removing and reinforcing structure of a dam body of a reservoir, which has the advantages of stability, protection of the dam body from damage caused by flood impact, remarkable flood discharge effect, prevention of impact of water waves on the reservoir and the external environment when a flood peak comes, barrier and filtration effects, elimination of the problem that a large amount of sundries and garbage in the reservoir are difficult to clean after the flood passes through the reservoir, and solution of the problems in the prior art.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

a danger removal and reinforcement structure for a reservoir dam body comprises a dam body, wherein a concave channel for buffering flood discharge is arranged at the top of the dam body, and a reinforcement and protection mechanism and a concave channel stabilizing structure which is integrally formed with the reinforcement and protection mechanism are further arranged on the dam body; the reinforcing and protecting mechanism is arranged on the water facing side of the dam body, and the concave channel stabilizing structure is matched with the inner side of the concave channel; a foot protection plate body is fixedly connected to the bottom end of the water facing side of the dam body;

the reinforcing and protecting mechanism comprises a protective wallboard used for protecting the middle part of the water-facing side of the dam body and a wave-proof guard plate arranged at the top end of the water-facing surface of the dam body, and the protective wallboard, the wave-proof guard plate and the leg protection plate body are supported by a triangular support frame;

the concave channel stabilizing structure is fixedly connected to one side of the wave-proof guard plate, and a top plate fixed with the top surface of the dam body is arranged on one side of the wave-proof guard plate outside the concave channel stabilizing structure; first blocking nets and second blocking nets are arranged in the concave channel stabilizing structure at intervals along the length direction of the concave channel, the first blocking nets are arranged close to the wave-proof guard plate, and the second blocking nets comprise at least two blocking nets arranged at intervals with the first blocking nets; each blocking net is detachably connected with the groove stabilizing structure.

Further, the triangular support frame includes a plurality of that set up along dam main part width direction interval.

Furthermore, the protective wall plate is arranged along the width direction of the water facing side of the dam body and is fixed with the dam body through an anchoring piece; the wave-proof guard plate is a cambered surface guard plate which is formed by a dam body facing water and protrudes towards the direction of the back water surface of the dam body, a plurality of first reinforcing rod ribs are connected between the middle part of the inner wall of the cambered surface guard plate and the middle part of the outer side wall of the protective wall plate, a plurality of second reinforcing rod ribs are connected between the bottom end of each first reinforcing rod rib and the corresponding protective foot plate body, a third reinforcing rod rib is fixedly connected between each first reinforcing rod rib and each second reinforcing rod rib, and the first reinforcing rod rib, the second reinforcing rod rib and the third reinforcing rod rib are enclosed into the triangular support frame.

Further, the groove comprises at least two grooves which are arranged at intervals along the width direction of the dam body; the concave channel stabilizing structure is arranged on one side of the wave-proof guard plate corresponding to each concave channel, and the concave channel stabilizing structure is in threaded connection with the inner side wall of the concave channel or is fixed through concrete pouring.

Furthermore, the concave channel stabilizing structure is a concave groove steel plate matched with the concave channel, slots are formed in the inner side of the concave groove steel plate, and the blocking net is vertically inserted and fixed with the concave groove steel plate through the slots; the first barrier net is a grid strip barrier net, and the second barrier net is a mesh screen-shaped barrier net.

Furthermore, the first blocking net is arranged in a protruding mode corresponding to the upstream face of the dam body; the concave groove steel plate end parts on two sides of the first separation net are provided with separation parts, each separation part comprises a rod body arranged along the width direction of the upstream face of the dam body, and the end parts of the rod bodies are provided with sharp spike rods perpendicular to the upstream face of the dam body.

Further, the blocking pieces are arranged at intervals along the height direction of the steel plate with the concave grooves.

Furthermore, the roof includes two at least that link firmly in wave guard plate one side both ends, roof and dam main part top surface are through anchor rod or bolt fastening.

Furthermore, a top plate fixedly connected with one side of the wave guard plate is also arranged on the top surface of the dam body between the two ditches.

Furthermore, an anchoring rod or a bolt is arranged on the toe guard plate body and used for being fixed with the reservoir substrate, and the bottom end of the triangular support frame is fixed to the top end of the anchoring rod or the top end of the bolt on the toe guard plate body.

Furthermore, an anti-seepage film layer structure is further arranged on the upstream face of the dam body, the anti-seepage film layer structure is fixed with the dam body through a reinforcing mesh, and a concrete layer arranged along the upstream face of the dam body is laid on the outer side of the reinforcing mesh.

The utility model has the beneficial effects that:

according to the danger-removing reinforcing structure for the reservoir dam body, the reinforcing and protecting mechanism and the concave channel stabilizing structure which are integrally formed are arranged, so that direct assembly of the dam body after completion is guaranteed, and the construction is simple and convenient. Strengthen the effect that protection machanism formed the buffering and reduced water pressure to the upstream face of dam main part, the ditch stable structure can form the protection to the ditch inner wall to avoid the flood to flow through the impact that forms to the outside dam main part top of ditch. The triangular support frame is arranged between the wave-proof guard plate, the protective wall plate and the foot protection plate body which are used for reinforcing the protective mechanism, so that the stability of the protective wall plate is improved, and the triangular support structure of the triangular support frame is more stable, so that the stability of the foot protection plate body of the wave-proof guard plate and the bottom end of the dam body is enhanced. Through set up in the ditch firm mechanism and separate the net, can carry out the separation to debris or rubbish in the flood, the follow-up clearance of being convenient for, the clearance and the dismantlement connected mode of concave groove steel sheet of separation net make things convenient for the clearance and the dismantlement change of separation net. The danger-removing reinforcing structure of the reservoir dam body can be matched with the construction at the beginning of the construction of the dam body, can also be used for later reinforcing and maintaining of old dam bodies, and plays a role in safety promotion on the protection of the dam bodies against dangerous cases and the stabilization of dam foundations.

Drawings

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

FIG. 2 is a schematic diagram of the right side view of FIG. 1;

FIG. 3 is a left side view of the structure of FIG. 1;

FIG. 4 is a schematic top view of the wave guard shown in FIG. 1 with the wave guard removed;

fig. 5 is an enlarged view of a portion a of fig. 4.

Wherein, 1 dam main part, 2 ditch, 3 toe guard plate bodies, 4 protection wall boards, 5 wave-proof guard plates, 6 roof, 7 first barrier net, 8 second barrier net, 9 anchor rods, 10 first stiffener muscle, 11 second stiffener muscle, 12 third stiffener muscle, 13 concave groove steel sheet, 14 slots, 15 baffling piece, 151 body of rod, 152 sharp thorn pole, 16 prevention of seepage rete structures.

Detailed Description

In order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 5, the reservoir dam danger eliminating and reinforcing structure comprises a dam body 1, wherein a concave channel 2 for buffering and discharging flood is arranged at the top of the dam body, the concave channel is arranged in a penetrating manner along the width direction of the dam body, and a reinforcing and protecting mechanism and a concave channel stabilizing structure integrally formed with the reinforcing and protecting mechanism are further arranged on the dam body. The reinforcing and protecting mechanism is arranged on the water facing side of the dam body 1, and the concave channel stabilizing structure is matched with the inner side of the concave channel 2; a foot protection plate body 3 is fixedly connected to the bottom end of the water facing side of the dam body; the foot protection plate body is formed by pouring reinforced concrete.

The reinforcing and protecting mechanism comprises a protective wall plate 4 used for protecting the middle lower part of the water facing side of the dam body 1 and a wave-proof guard plate 5 arranged at the top end of the water facing surface of the dam body, wherein the protective wall plate 4, the wave-proof guard plate 5 and the toe guard plate body 3 are supported by a triangular support frame; the protection wave plate and the protection wall plate are both steel plate structures. The concave channel stabilizing structure is fixedly connected to one side of the wave guard plate 5, and a top plate 6 fixed with the top surface of the dam body 1 is arranged on the left side of the wave guard plate outside the concave channel stabilizing structure; first blocking nets 7 and second blocking nets 8 are arranged in the channel stabilizing structure at intervals along the length direction of the channel, the first blocking nets are arranged close to the wave guard plates 5, and the second blocking nets 8 comprise two blocking nets 7 arranged at intervals; each blocking net is detachably connected with the groove stabilizing structure.

The triangular support frame includes a plurality of triangular support frames arranged at intervals along the width direction of the dam body 1. The specific composition is as described later.

The protective wall plate 4 is arranged along the width direction of the water facing side of the dam body 1 and is fixed with the dam body 1 through a plurality of anchoring rods 9; the wave-proof guard plate 5 is a cambered surface guard plate which is formed by a dam body facing water and protrudes towards the direction of the back water surface of the dam body, a plurality of first reinforcing rod ribs 10 are connected between the middle part of the inner wall of the cambered surface guard plate and the middle part of the outer side wall of the protective wall plate, a plurality of second reinforcing rod ribs 11 are connected between the bottom end of each first reinforcing rod rib and the corresponding protective foot plate body 3, third reinforcing rod ribs 12 are fixedly connected between the first reinforcing rod ribs and the second reinforcing rod ribs, and the first reinforcing rod ribs, the second reinforcing rod ribs and the third reinforcing rod ribs are jointly enclosed to form the triangular support frame. The first, second and third reinforcing ribs are all round steel reinforcing ribs.

The concave channels 2 comprise two grooves which are arranged at intervals along the width direction of the dam body; the concave channel stabilizing structure is arranged on the left side of the wave-proof guard plate 5 corresponding to each concave channel, and the concave channel stabilizing structure is in threaded connection with the inner side wall of the concave channel or is fixed through concrete pouring. Specifically, the concave channel stabilizing structure is a concave groove steel plate 13 matched with the concave channel, the concave groove steel plate 13 is arranged in a penetrating mode along the length direction of the dam body, and gaps between the concave groove steel plate and the side wall of the concave channel are reinforced through concrete pouring. The inner side of the concave-groove steel plate is provided with a slot 14, and the barrier net is vertically inserted and fixed with the concave-groove steel plate through the slot 14; first separation net 7 separates the net for the grid strip, and second separation net 8 separates the net for the mesh screen form, so sets up, can guarantee the reinforcing that lasts of filtration separation effect, in addition, can also be when changing or dismantling first separation net 7, through the realization of second separation net to the blocking of aquatic debris or rubbish, avoid debris to continue to flow into follow-up river course and cause the difficulty of pollution or clearance.

The first barrier net 7 is arranged to protrude outwards corresponding to the upstream face of the dam body 1, so that direct damage and impact on the first barrier net caused by flood impact can be avoided; and the end parts of the concave groove steel plates 13 on the two sides of the first separation net are provided with separation pieces 15, and the separation pieces are fixedly connected with the concave groove steel plates in an integrated manner. The blocking member includes a rod body 151 disposed along the width direction of the upstream surface of the dam body, and a spike rod 152 disposed at the end of the rod body and perpendicular to the upstream surface of the dam body. The blocking pieces are arranged at intervals along the height direction of the concave groove steel plate.

The top plate 6 comprises three parts which are fixedly connected with the two ends of the back side of the wave guard plate 5 and between the two grooves, and the top plate 6 and the top surface of the dam body 1 are fixed through bolts.

A plurality of anchor rods or bolts arranged at intervals are arranged on the toe guard plate body 3 and are used for being fixed with the ground substrate of the reservoir, and the bottom end of the triangular support frame is fixed at the top ends of the anchor rods or bolts on the toe guard plate body.

In order to improve the seepage-proofing effect of the dam body, an seepage-proofing film layer structure 16 is further arranged on the upstream face of the dam body, the seepage-proofing film layer structure is fixed with the dam body through a reinforcing mesh, and a concrete layer arranged along the upstream face of the dam body is laid on the outer side of the reinforcing mesh. The anti-seepage film layer structure adopts 6 layers of polyethylene geomembranes.

When in use, the reinforcing and protecting mechanism is directly assembled and fixed on the dam body on the basis of the dam body. The design can ensure the strong stability and safety of the reservoir dam body. When the flood comes, the flood strikes the upstream face one side of dam main part 1, through the setting of protection wallboard 4, can play the effect of preventing the harm to the flood pressure who strikes the dam main part, especially through setting up protection wallboard in the high middle and lower part position of dam main part upstream face, can play better cushioning effect to the position that the upstream face of slope contacted the flood impact at first. And through the setting of the triangular supports frame on the protective wall board 4, make protective wall board 4, banket plate body 3 and wave guard plate 5 form firm triangular support structure, guaranteed this reinforcement protection machanism's whole steadiness. When the flood discharge capacity is big, the flood can flow through the concave channel on dam body upper portion, forms the impact to the dam body top in the concave channel outside, and the setting of concave groove steel sheet 13, can be convenient for the discharge of flood on the one hand, and on the other hand can form the reinforcing action to the dam body lateral wall of concave channel position, avoids the flood peak to form crack or fracture to the dam body top impact force of concave channel lateral wall position too big. The first separation net 7 arranged at the end part of the concave-groove steel plate close to the upstream face side of the dam body can form primary separation to sundries or garbage carried in the flowing process of flood, so that the impact and the impact of the sundries on the top of the dam body are avoided. Especially, the setting of the blocking piece 15 on the two sides of the first blocking net can form hooks for flexible sundries or garbage, so that subsequent cleaning is facilitated. The rod body 151 of the blocking piece is directly fixedly connected with the end part of the concave groove steel plate 13, so that the stability of the blocking piece is guaranteed, and the blocking piece is convenient to manufacture, construct and install. The second separation net is arranged in the middle of the concave channel and on one side close to the back water surface, and can achieve the secondary separation effect. After the flood passes, the first barrier net and the second barrier net can be lifted, so that the two barrier nets inserted into the slots of the concave-groove steel plates 13 are separated from the concave channel, and the concave-groove steel plates are cleaned and replaced at regular time. The second separation net can also avoid the problem that other sundries or garbage in flowing water continuously flow into a rear reservoir through the concave channel after the first separation net is detached. In order to ensure the stability of the first and second barrier nets in the process of flowing flood through, fixing parts for fixing the barrier nets, such as bolt fixing parts or other fastener structures, can be arranged on the top surfaces of the concave groove steel plates 13 above the slots 14.

The danger eliminating and reinforcing structure for the reservoir dam body is installed together with the dam body during construction, or is used for performing subsequent auxiliary installation on the dam body with a long construction period, and can play a good danger eliminating and reinforcing role.

The above-described embodiments should not be construed as limiting the scope of the utility model, and any alternative modifications or alterations to the embodiments of the present invention will be apparent to those skilled in the art.

The present invention is not described in detail, but is known to those skilled in the art.

Claims

1. A danger removal and reinforcement structure for a reservoir dam body comprises a dam body, wherein a concave channel for buffering flood discharge is arranged at the top of the dam body, and the danger removal and reinforcement structure is characterized in that a reinforcement and protection mechanism and a concave channel stabilizing structure which is integrally formed with the reinforcement and protection mechanism are further arranged on the dam body; the reinforcing and protecting mechanism is arranged on the water facing side of the dam body, and the concave channel stabilizing structure is matched with the inner side of the concave channel; a foot protection plate body is fixedly connected to the bottom end of the water facing side of the dam body;

2. The danger eliminating reinforcing structure of a dam body of a reservoir of claim 1, wherein said triangular support frame comprises a plurality of frames spaced apart in a width direction of the dam body.

3. The danger eliminating and reinforcing structure of a dam body of a reservoir as claimed in claim 1, wherein said protective wall panel is provided in a width direction of a water-facing side of the dam body, and the protective wall panel is fixed to the dam body via an anchoring member; the wave-proof guard plate is a cambered surface guard plate which is formed by a dam body facing water and protrudes towards the direction of the back water surface of the dam body, a plurality of first reinforcing rod ribs are connected between the middle part of the inner wall of the cambered surface guard plate and the middle part of the outer side wall of the protective wall plate, a plurality of second reinforcing rod ribs are connected between the bottom end of each first reinforcing rod rib and the corresponding protective foot plate body, a third reinforcing rod rib is fixedly connected between each first reinforcing rod rib and each second reinforcing rod rib, and the first reinforcing rod ribs, the second reinforcing rod ribs and the third reinforcing rod ribs are enclosed into the triangular support frame.

4. The reservoir dam danger eliminating and reinforcing structure according to claim 1, wherein said channels comprise at least two spaced apart along the width direction of the dam body; the concave channel stabilizing structure is arranged on one side of the wave-proof guard plate corresponding to each concave channel, and the concave channel stabilizing structure is in threaded connection with the inner side wall of the concave channel or is fixed through concrete pouring.

5. The danger-removing and reinforcing structure for the dam body of the reservoir as claimed in claim 1, wherein the channel stabilizing structure is a concave channel steel plate adapted to the channel, slots are arranged on the inner side of the concave channel steel plate, and the blocking nets are vertically inserted and fixed with the concave channel steel plate through the slots; the first barrier net is a grid strip barrier net, and the second barrier net is a mesh screen-shaped barrier net.

6. The danger eliminating reinforcement structure of a dam body of a reservoir according to claim 5, wherein the first blocking net is protrudingly provided corresponding to an upstream surface of the dam body; the concave groove steel plate end parts on two sides of the first separation net are provided with separation parts, each separation part comprises a rod body arranged along the width direction of the upstream face of the dam body, and the end parts of the rod bodies are provided with sharp spike rods perpendicular to the upstream face of the dam body.

7. The danger eliminating and reinforcing structure for dam body of reservoir as claimed in claim 1, wherein said top plate includes at least two pieces fixed to both ends of one side of the wave guard plate, said top plate and the top surface of the dam body being fixed by means of anchor rods or bolts.

8. The danger eliminating and reinforcing structure for dam body of reservoir as claimed in claim 1, wherein an anchoring rod or bolt is provided on the toe guard plate body for fixing with the reservoir substrate, and the bottom end of said triangular support frame is fixed to the top end of the anchoring rod or bolt on the toe guard plate body.

9. The danger eliminating and reinforcing structure of a dam body of a reservoir as claimed in claim 1, wherein an anti-seepage film structure is further provided on the upstream surface of the dam body, the anti-seepage film structure is fixed to the dam body through a reinforcing mesh, and a concrete layer provided along the upstream surface of the dam body is laid on the outside of the reinforcing mesh.