CN108755603B - Impact-resistant dam with flood diversion pipe and construction method thereof - Google Patents
Impact-resistant dam with flood diversion pipe and construction method thereof Download PDFInfo
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- CN108755603B CN108755603B CN201810606079.0A CN201810606079A CN108755603B CN 108755603 B CN108755603 B CN 108755603B CN 201810606079 A CN201810606079 A CN 201810606079A CN 108755603 B CN108755603 B CN 108755603B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/02—Fixed barrages
Abstract
The invention relates to an impact-resistant dam with flood diversion pipes and a construction method thereof, wherein the impact-resistant dam comprises a plurality of connected dam units, each dam unit is a dam body consisting of a front slope and a stepped rear slope, a plurality of rectangular grooves are formed in the dam body, a vertical reinforcing column is arranged at the center of each rectangular groove, a plurality of first concrete reinforcing plates are connected between the inner wall of each rectangular groove and the corresponding reinforcing column, a concrete connecting layer, an asphalt concrete impermeable layer and a concrete reinforcing layer are sequentially connected to the surface of the front slope from inside to outside, a plurality of erosion-proof protrusions are connected to the surface of each concrete reinforcing layer, and a concrete protective layer is connected to the surface of each erosion-proof protrusion. The anti-impact bulges can disperse the water flow directly impacted, so that the anti-impact capacity is improved; the rectangular groove, the reinforcing column, the first concrete reinforcing plate, the second concrete reinforcing plate and the stone are combined, so that the impact resistance of the dam is further improved; the flood diversion pipe can decompose the rivers that strike the dam body top, reduces the impact strength of rivers, guarantees the good shock resistance of dam.
Description
Technical Field
The invention relates to the technical field of hydraulic engineering, in particular to an impact-resistant dam with a flood diversion pipe and a construction method thereof.
Background
The dam is a water retaining structure which intercepts water flow of a river channel to raise the water level or adjust the flow. The dam is mainly constructed for flood control, water supply, irrigation, hydroelectric power generation, shipping improvement and the like. However, the impact force on the front slope of the dam is generally larger, and particularly when the water flow is larger, the strong impact force is brought to the dam by the sharp water flow, so that the dam is easily damaged.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an impact-resistant dam with a flood diversion pipe and a construction method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme: an impact-resistant dam with flood diversion pipes comprises a plurality of connected dam units, each dam unit is a dam body consisting of a front slope and a stepped back slope, a plurality of rectangular grooves are formed in the dam body, a vertical reinforcing column is arranged in the center of each rectangular groove, a plurality of first concrete reinforcing plates are connected between the inner walls of the rectangular grooves and the reinforcing columns, cavities with triangular sections are formed in the inner walls of the rectangular grooves between adjacent first concrete reinforcing plates and adjacent first concrete reinforcing plates, stones are filled in the cavities, concrete is poured in gaps among the stones, a concrete connecting layer, an asphalt concrete impermeable layer and a concrete reinforcing layer are sequentially connected to the surface of the front slope from inside to outside, a plurality of impact-preventing protrusions are connected to the surface of the concrete reinforcing layer, a concrete protective layer is connected to the surface of the impact-preventing protrusions, a plurality of anchoring pieces are arranged in the impact-preventing protrusions, and the other ends of the anchoring pieces are located in the dam body, the upper part of the dam body is connected with a plurality of flood diversion pipes, the water inlet ends of the flood diversion pipes are positioned at the upper end of the front slope and sleeved with a filter screen, and the water outlet ends of the flood diversion pipes are positioned on the rear slope.
Specifically, the number of rectangular grooves in each dike unit is 2 to 6.
Particularly, the anti-impact bulge is in a round table or frustum pyramid structure.
In particular, the anchor is an S-shaped or Z-shaped structure.
Particularly, the water outlet height and the water outlet length of the water outlet ends of the adjacent flood diversion pipes are different.
In particular, a second concrete reinforcing plate is arranged in the cavity and divides the cavity into two cavities with triangular sections.
A method for constructing an impact-resistant dam with a flood diversion pipe comprises the following steps:
a, a rectangular groove is reserved when a dam body is poured, an anchoring piece is pre-embedded on a front slope of the dam body, and a part of the anchoring piece is exposed on the outer side of the dam body;
b, pouring a reinforcing column in the center of the rectangular groove;
c supporting a template T between the reinforcing column and the rectangular groove1To the template T1Pouring concrete, compacting by vibration with a vibrator, drying the concrete, and removing the formwork T1Obtaining a first concrete reinforcing plate;
d forming a cavity middle supporting template T with a triangular section on the inner wall of the rectangular groove between the adjacent first concrete reinforcing plates and the adjacent first concrete reinforcing plates2To the template T2Pouring concrete, compacting by vibration with a vibrator, drying the concrete, and removing the formwork T2Obtaining a second concrete reinforcing plate, placing stones into the cavity, and then submerging the stones by using concrete and sealing the rectangular groove;
e, continuously pouring the dam body upwards;
f, pouring a concrete connecting layer on the front slope of the poured dam body, then pouring an asphalt concrete impermeable layer on the surface of the concrete connecting layer, and then pouring a concrete reinforcing layer on the surface of the asphalt concrete impermeable layer, wherein one part of the anchoring piece is exposed outside the concrete reinforcing layer;
g supporting template T at the periphery of the exposed anchoring part3Then form T on the concrete reinforcement3Pour the scour protection arch in, make anchor assembly be located inside the scour protection arch, treat that the scour protection arch is dry the back and demolish template T3；
h, pouring a concrete protective layer on the surface of the anti-impact bulge;
i, arranging a flood diversion pipe parallel to the water flow direction on the upper surface of the dam body, fixing the flood diversion pipe on the dam body, sleeving a filter screen on a water inlet end of the flood diversion pipe, and fixing a water outlet end of the flood diversion pipe on a back slope.
The invention has the beneficial effects that: the anti-impact bulges can disperse the water flow directly impacted, so that the anti-impact capacity is improved; the rectangular groove, the reinforcing column, the first concrete reinforcing plate, the second concrete reinforcing plate and the stone are combined, so that the impact resistance of the dam is further improved; the flood diversion pipe can decompose the rivers that strike the dam body top, reduces the impact strength of rivers, guarantees the good shock resistance of dam.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of the present invention;
in the figure: 1-a dam body; 2-a rectangular groove; 3-a reinforcing column; 4-a first concrete reinforcing plate; 5-stone blocks; 6-concrete connecting layer; 7-asphalt concrete impermeable layer; 8-a concrete reinforcing layer; 9-bump prevention; 10-concrete protective layer; 11-an anchor member; 12-flood diversion pipes; 13-a filter screen;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in fig. 1 and 2, an impact-resistant dam with flood diversion pipes comprises a plurality of connected dam units, each dam unit is a dam body 1 consisting of a front slope and a stepped rear slope, a plurality of rectangular grooves 2 are arranged inside the dam body 1, vertical reinforcing columns 3 are arranged at the centers of the rectangular grooves 2, a plurality of first concrete reinforcing plates 4 are connected between the inner walls of the rectangular grooves 2 and the reinforcing columns 3, cavities with triangular sections are formed by the inner walls of the rectangular grooves 2 between the adjacent first concrete reinforcing plates 4 and the adjacent first concrete reinforcing plates 4, stones 5 are filled in the cavities, concrete is poured in gaps among the stones 5, a concrete connecting layer 6, an asphalt concrete impermeable layer 7 and a concrete reinforcing layer 8 are sequentially connected to the surface of the front slope from inside to outside, a plurality of anti-impact bulges 9 are connected to the surface of the concrete reinforcing layer 8, a concrete protective layer 10 is connected to the surface of the anti-impact bulges 9, the inside of scour protection arch 9 is equipped with a plurality of anchor assembly 11, and the other end of anchor assembly 11 is located the inside of dam body 1, and the top of dam body 1 even has a plurality of flood diversion pipes 12, and the end of intaking of flood diversion pipe 12 is located the upper end of front slope and overlaps and have filter screen 13, and the play water end of flood diversion pipe 12 is located the back slope.
Specifically, the number of rectangular grooves 2 in each embankment unit is 2 to 6.
In particular, the anti-impact protrusions 9 are in a truncated cone or truncated pyramid structure.
In particular, the anchor 11 is of an S-shaped or Z-shaped configuration.
In particular, the outlet ends of adjacent flood diversion pipes 12 have different outlet heights and lengths.
In particular, a second concrete reinforcing plate is arranged in the cavity and divides the cavity into two cavities with triangular sections.
A method for constructing an impact-resistant dam with a flood diversion pipe comprises the following steps:
a, a rectangular groove 2 is reserved when the dam body 1 is poured, an anchoring piece 11 is pre-embedded on the front slope of the dam body 1, and a part of the anchoring piece 11 is exposed on the outer side of the dam body 1;
b, pouring a reinforcing column 3 in the center of the rectangular groove 2;
c supporting a template T between the reinforcing column 3 and the rectangular groove 21To the template T1Pouring concrete, compacting by vibration with a vibrator, drying the concrete, and removing the formwork T1Obtaining a first concrete reinforcing plate 4;
d between adjacent first concrete-reinforcing plates 4 and adjacent first concrete-reinforcing plates 4Hollow cavity middle supporting template T with triangular section formed by inner wall of rectangular groove 22To the template T2Pouring concrete, compacting by vibration with a vibrator, drying the concrete, and removing the formwork T2Obtaining a second concrete reinforcing plate, placing the stone blocks 5 into the cavity, and then submerging the stone blocks 5 by using concrete and sealing the rectangular groove 2;
e, continuously pouring the dam body 1 upwards;
f, pouring a concrete connecting layer 6 on the front slope of the poured dam body 1, then pouring an asphalt concrete impermeable layer 7 on the surface of the concrete connecting layer 6, and then pouring a concrete reinforcing layer 8 on the surface of the asphalt concrete impermeable layer 7, wherein one part of the anchoring piece 11 is exposed outside the concrete reinforcing layer 8;
g supporting the template T at the periphery of the exposed anchoring part 113Then form T on the concrete reinforcement layer 83Pour in and prevent dashing for protruding 9, make anchor assembly 11 be located the protruding 9 insides of scour prevention, treat to remove template T after the protruding 9 drying of scour prevention3；
h, pouring a concrete protective layer 10 on the surface of the anti-impact bulge 9;
i, arranging a flood diversion pipe 12 parallel to the water flow direction on the upper surface of the dam body 1, fixing the flood diversion pipe 12 on the dam body 1, sleeving a filter screen 13 on a water inlet end of the flood diversion pipe 12, and fixing a water outlet end of the flood diversion pipe 12 on a back slope.
Example one
An impact-resistant dam with flood diversion pipes comprises a plurality of connected dam units, each dam unit is a dam body 1 consisting of a front slope and a stepped back slope, a plurality of rectangular grooves 2 are arranged inside the dam body 1, a vertical reinforcing column 3 is arranged at the center of each rectangular groove 2, a plurality of first concrete reinforcing plates 4 are connected between the inner walls of the rectangular grooves 2 and the reinforcing columns 3, cavities with triangular sections are formed by the inner walls of the rectangular grooves 2 between the adjacent first concrete reinforcing plates 4 and the adjacent first concrete reinforcing plates 4, stones 5 are filled in the cavities, concrete is poured in gaps among the stones 5, a concrete connecting layer 6, an asphalt concrete impermeable layer 7 and a concrete reinforcing layer 8 are sequentially connected to the surface of the front slope from inside to outside, a plurality of anti-impact bulges 9 are connected to the surface of each anti-impact bulge 9, a concrete protective layer 10 is connected to the surface of each anti-impact bulge 9, a plurality of anchoring pieces 11 are arranged inside each anti-impact bulge 9, the other end of the anchoring piece 11 is positioned inside the dam body 1, a plurality of flood diversion pipes 12 are connected above the dam body 1, the water inlet ends of the flood diversion pipes 12 are positioned at the upper end of the front slope and sleeved with a filter screen 13, and the water outlet ends of the flood diversion pipes 12 are positioned on the rear slope.
Specifically, the number of rectangular grooves 2 in each embankment unit is 2.
In particular, the anti-impact protrusions 9 are in a truncated cone or truncated pyramid structure.
In particular, the anchor 11 is of an S-shaped or Z-shaped configuration.
In particular, the outlet ends of adjacent flood diversion pipes 12 have different outlet heights and lengths.
In particular, a second concrete reinforcing plate is arranged in the cavity and divides the cavity into two cavities with triangular sections.
A method for constructing an impact-resistant dam with a flood diversion pipe comprises the following steps:
a, a rectangular groove 2 is reserved when the dam body 1 is poured, an anchoring piece 11 is pre-embedded on the front slope of the dam body 1, and a part of the anchoring piece 11 is exposed on the outer side of the dam body 1;
b, pouring a reinforcing column 3 in the center of the rectangular groove 2;
c supporting a template T between the reinforcing column 3 and the rectangular groove 21To the template T1Pouring concrete, compacting by vibration with a vibrator, drying the concrete, and removing the formwork T1Obtaining a first concrete reinforcing plate 4;
d forming a cavity formwork T with a triangular cross section on the inner wall of the rectangular groove 2 between the adjacent first concrete reinforcing plates 4 and the adjacent first concrete reinforcing plates 42To the template T2Pouring concrete, compacting by vibration with a vibrator, drying the concrete, and removing the formwork T2Obtaining a second concrete reinforcing plate, placing the stone blocks 5 into the cavity, and then submerging the stone blocks 5 by using concrete and sealing the rectangular groove 2;
e, continuously pouring the dam body 1 upwards;
f, pouring a concrete connecting layer 6 on the front slope of the poured dam body 1, then pouring an asphalt concrete impermeable layer 7 on the surface of the concrete connecting layer 6, and then pouring a concrete reinforcing layer 8 on the surface of the asphalt concrete impermeable layer 7, wherein one part of the anchoring piece 11 is exposed outside the concrete reinforcing layer 8;
g supporting the template T at the periphery of the exposed anchoring part 113Then form T on the concrete reinforcement layer 83Pour in and prevent dashing for protruding 9, make anchor assembly 11 be located the protruding 9 insides of scour prevention, treat to remove template T after the protruding 9 drying of scour prevention3；
h, pouring a concrete protective layer 10 on the surface of the anti-impact bulge 9;
i, arranging a flood diversion pipe 12 parallel to the water flow direction on the upper surface of the dam body 1, fixing the flood diversion pipe 12 on the dam body 1, sleeving a filter screen 13 on a water inlet end of the flood diversion pipe 12, and fixing a water outlet end of the flood diversion pipe 12 on a back slope.
Example two
An impact-resistant dam with flood diversion pipes comprises a plurality of connected dam units, each dam unit is a dam body 1 consisting of a front slope and a stepped back slope, a plurality of rectangular grooves 2 are arranged inside the dam body 1, a vertical reinforcing column 3 is arranged at the center of each rectangular groove 2, a plurality of first concrete reinforcing plates 4 are connected between the inner walls of the rectangular grooves 2 and the reinforcing columns 3, cavities with triangular sections are formed by the inner walls of the rectangular grooves 2 between the adjacent first concrete reinforcing plates 4 and the adjacent first concrete reinforcing plates 4, stones 5 are filled in the cavities, concrete is poured in gaps among the stones 5, a concrete connecting layer 6, an asphalt concrete impermeable layer 7 and a concrete reinforcing layer 8 are sequentially connected to the surface of the front slope from inside to outside, a plurality of anti-impact bulges 9 are connected to the surface of each anti-impact bulge 9, a concrete protective layer 10 is connected to the surface of each anti-impact bulge 9, a plurality of anchoring pieces 11 are arranged inside each anti-impact bulge 9, the other end of the anchoring piece 11 is positioned inside the dam body 1, a plurality of flood diversion pipes 12 are connected above the dam body 1, the water inlet ends of the flood diversion pipes 12 are positioned at the upper end of the front slope and sleeved with a filter screen 13, and the water outlet ends of the flood diversion pipes 12 are positioned on the rear slope.
Specifically, the number of rectangular grooves 2 in each embankment unit is 6.
In particular, the anti-impact protrusions 9 are in a truncated cone or truncated pyramid structure.
In particular, the anchor 11 is of an S-shaped or Z-shaped configuration.
In particular, the outlet ends of adjacent flood diversion pipes 12 have different outlet heights and lengths.
In particular, a second concrete reinforcing plate is arranged in the cavity and divides the cavity into two cavities with triangular sections.
A method for constructing an impact-resistant dam with a flood diversion pipe comprises the following steps:
a, a rectangular groove 2 is reserved when the dam body 1 is poured, an anchoring piece 11 is pre-embedded on the front slope of the dam body 1, and a part of the anchoring piece 11 is exposed on the outer side of the dam body 1;
b, pouring a reinforcing column 3 in the center of the rectangular groove 2;
c supporting a template T between the reinforcing column 3 and the rectangular groove 21To the template T1Pouring concrete, compacting by vibration with a vibrator, drying the concrete, and removing the formwork T1Obtaining a first concrete reinforcing plate 4;
d forming a cavity formwork T with a triangular cross section on the inner wall of the rectangular groove 2 between the adjacent first concrete reinforcing plates 4 and the adjacent first concrete reinforcing plates 42To the template T2Pouring concrete, compacting by vibration with a vibrator, drying the concrete, and removing the formwork T2Obtaining a second concrete reinforcing plate, placing the stone blocks 5 into the cavity, and then submerging the stone blocks 5 by using concrete and sealing the rectangular groove 2;
e, continuously pouring the dam body 1 upwards;
f, pouring a concrete connecting layer 6 on the front slope of the poured dam body 1, then pouring an asphalt concrete impermeable layer 7 on the surface of the concrete connecting layer 6, and then pouring a concrete reinforcing layer 8 on the surface of the asphalt concrete impermeable layer 7, wherein one part of the anchoring piece 11 is exposed outside the concrete reinforcing layer 8;
g supporting the template T at the periphery of the exposed anchoring part 113Then form T on the concrete reinforcement layer 83Pour in and prevent dashing for protruding 9, make anchor assembly 11 be located the protruding 9 insides of scour prevention, treat to remove template T after the protruding 9 drying of scour prevention3；
h, pouring a concrete protective layer 10 on the surface of the anti-impact bulge 9;
i, arranging a flood diversion pipe 12 parallel to the water flow direction on the upper surface of the dam body 1, fixing the flood diversion pipe 12 on the dam body 1, sleeving a filter screen 13 on a water inlet end of the flood diversion pipe 12, and fixing a water outlet end of the flood diversion pipe 12 on a back slope.
EXAMPLE III
An impact-resistant dam with flood diversion pipes comprises a plurality of connected dam units, each dam unit is a dam body 1 consisting of a front slope and a stepped back slope, a plurality of rectangular grooves 2 are arranged inside the dam body 1, a vertical reinforcing column 3 is arranged at the center of each rectangular groove 2, a plurality of first concrete reinforcing plates 4 are connected between the inner walls of the rectangular grooves 2 and the reinforcing columns 3, cavities with triangular sections are formed by the inner walls of the rectangular grooves 2 between the adjacent first concrete reinforcing plates 4 and the adjacent first concrete reinforcing plates 4, stones 5 are filled in the cavities, concrete is poured in gaps among the stones 5, a concrete connecting layer 6, an asphalt concrete impermeable layer 7 and a concrete reinforcing layer 8 are sequentially connected to the surface of the front slope from inside to outside, a plurality of anti-impact bulges 9 are connected to the surface of each anti-impact bulge 9, a concrete protective layer 10 is connected to the surface of each anti-impact bulge 9, a plurality of anchoring pieces 11 are arranged inside each anti-impact bulge 9, the other end of the anchoring piece 11 is positioned inside the dam body 1, a plurality of flood diversion pipes 12 are connected above the dam body 1, the water inlet ends of the flood diversion pipes 12 are positioned at the upper end of the front slope and sleeved with a filter screen 13, and the water outlet ends of the flood diversion pipes 12 are positioned on the rear slope.
Specifically, the number of rectangular grooves 2 in each embankment unit is 4.
In particular, the anti-impact protrusions 9 are in a truncated cone or truncated pyramid structure.
In particular, the anchor 11 is of an S-shaped or Z-shaped configuration.
In particular, the outlet ends of adjacent flood diversion pipes 12 have different outlet heights and lengths.
In particular, a second concrete reinforcing plate is arranged in the cavity and divides the cavity into two cavities with triangular sections.
A method for constructing an impact-resistant dam with a flood diversion pipe comprises the following steps:
a, a rectangular groove 2 is reserved when the dam body 1 is poured, an anchoring piece 11 is pre-embedded on the front slope of the dam body 1, and a part of the anchoring piece 11 is exposed on the outer side of the dam body 1;
b, pouring a reinforcing column 3 in the center of the rectangular groove 2;
c supporting a template T between the reinforcing column 3 and the rectangular groove 21To the template T1Pouring concrete, compacting by vibration with a vibrator, drying the concrete, and removing the formwork T1Obtaining a first concrete reinforcing plate 4;
d forming a cavity formwork T with a triangular cross section on the inner wall of the rectangular groove 2 between the adjacent first concrete reinforcing plates 4 and the adjacent first concrete reinforcing plates 42To the template T2Pouring concrete, compacting by vibration with a vibrator, drying the concrete, and removing the formwork T2Obtaining a second concrete reinforcing plate, placing the stone blocks 5 into the cavity, and then submerging the stone blocks 5 by using concrete and sealing the rectangular groove 2;
e, continuously pouring the dam body 1 upwards;
f, pouring a concrete connecting layer 6 on the front slope of the poured dam body 1, then pouring an asphalt concrete impermeable layer 7 on the surface of the concrete connecting layer 6, and then pouring a concrete reinforcing layer 8 on the surface of the asphalt concrete impermeable layer 7, wherein one part of the anchoring piece 11 is exposed outside the concrete reinforcing layer 8;
g supporting the template T at the periphery of the exposed anchoring part 113Then form T on the concrete reinforcement layer 83Pour in and prevent dashing for protruding 9, make anchor assembly 11 be located the protruding 9 insides of scour prevention, treat to remove template T after the protruding 9 drying of scour prevention3；
h, pouring a concrete protective layer 10 on the surface of the anti-impact bulge 9;
i, arranging a flood diversion pipe 12 parallel to the water flow direction on the upper surface of the dam body 1, fixing the flood diversion pipe 12 on the dam body 1, sleeving a filter screen 13 on a water inlet end of the flood diversion pipe 12, and fixing a water outlet end of the flood diversion pipe 12 on a back slope.
When the invention works, when water on the front slope of the dam body 1 impacts the dam body 1, the water impacts the impact-proof bulge 9 firstly, on one hand, part of impact force of the water can be reduced, on the other hand, the impacted water can be dispersed, the impact potential energy of the water is further weakened, the impact resistance of the dam is increased, the dispersed water is shunted from the periphery of the impact-proof bulge 9, when the water impacts the concrete reinforcing layer 8, the dam body 1 has larger impact resistance, meanwhile, the triangular cavity structure in the rectangular groove 2 plays a good role in supporting and resisting the dam body 1, the impact resistance of the dam is further improved, when the water quantity is larger, the arranged flood diversion pipe can decompose the water flow impacting the upper part of the dam body 1, so that part of the water flow enters the flood diversion pipe 12 and is discharged from the rear slope of the dam body 1, on the one hand, the water flow is dispersed, and the impact strength of the water flow is reduced, on one hand, water on the front slope directly flows to the rear slope through the flood diversion pipe 12, so that the water quantity of the dam body 1 under impact is reduced, and the good impact resistance of the dam is ensured.
The invention has been described in connection with the accompanying drawings, it is to be understood that the invention is not limited to the specific embodiments disclosed, but is intended to cover various modifications, adaptations or uses of the invention, and all such modifications and variations are within the scope of the invention.
Claims (7)
1. An impact-resistant dam with flood diversion pipes is characterized by comprising a plurality of dam units which are connected, each dam unit is a dam body (1) consisting of a front slope and a stepped rear slope, a plurality of rectangular grooves (2) are formed in the dam body (1), a vertical reinforcing column (3) is arranged at the center of each rectangular groove (2), a plurality of first concrete reinforcing plates (4) are connected between the inner walls of the rectangular grooves (2) and the reinforcing columns (3), cavities with triangular sections are formed in the inner walls of the rectangular grooves (2) between adjacent first concrete reinforcing plates (4) and adjacent first concrete reinforcing plates (4), stones (5) are filled in the cavities, concrete is poured in gaps among the stones (5), a concrete connecting layer (6), an asphalt concrete impermeable layer (7) and a concrete reinforcing layer (8) are sequentially connected on the surface of the front slope from inside to outside, a plurality of anti-scouring bulges (9) are connected on the surface of the concrete reinforcing layer (8), even there is concrete inoxidizing coating (10) on the surface of scour protection arch (9), and the inside of scour protection arch (9) is equipped with a plurality of anchor members (11), and the other end of anchor member (11) is located the inside of dam body (1), and the top of dam body (1) even has a plurality of flood diversion pipes (12), and the end of intaking of flood diversion pipe (12) is located the upper end of front slope and overlaps and have filter screen (13), and the water outlet end of flood diversion pipe (12) is located the back slope.
2. An impact-resistant dam with flood diversion pipes as claimed in claim 1, wherein the number of rectangular grooves (2) in each embankment unit is 2-6.
3. The impact-resistant dam with the flood diversion pipe as claimed in claim 2, wherein the impact-resistant protrusions (9) are of a truncated cone or truncated pyramid structure.
4. An impact-resistant dam with flood diversion pipes as claimed in claim 3, wherein the anchoring elements (11) are of S-or Z-shaped configuration.
5. An impact-resistant dam with flood distribution pipes according to claim 4, wherein the outlet ends of adjacent flood distribution pipes (12) have different outlet heights and lengths.
6. An impact-resistant dam with flood diversion pipes according to claim 5, wherein a second concrete reinforcing plate is arranged in the cavity and divides the cavity into two cavities with triangular cross-sections.
7. A method of constructing an impact resistant dam with flood diversion pipes as claimed in claim 6, comprising the steps of:
a, a rectangular groove (2) is reserved when a dam body (1) is poured, an anchoring piece (11) is pre-buried on a front slope of the dam body (1), and a part of the anchoring piece (11) is exposed on the outer side of the dam body (1);
b, pouring a reinforcing column (3) in the center of the rectangular groove (2);
c in the reinforcing column (3) and the rectangular groove (2)Middle supporting template T1To the template T1Pouring concrete, compacting by vibration with a vibrator, drying the concrete, and removing the formwork T1Obtaining a first concrete reinforcing plate (4);
d, forming a cavity formwork T with a triangular cross section on the inner wall of the rectangular groove (2) between the adjacent first concrete reinforcing plates (4) and the adjacent first concrete reinforcing plates (4)2To the template T2Pouring concrete, compacting by vibration with a vibrator, drying the concrete, and removing the formwork T2Obtaining a second concrete reinforcing plate, placing the stone blocks (5) in the cavity, and then submerging the stone blocks (5) by using concrete and sealing the rectangular groove (2);
e, continuously pouring the dam body (1) upwards;
f, pouring a concrete connecting layer (6) on the front slope of the poured dam body (1), then pouring an asphalt concrete impermeable layer (7) on the surface of the concrete connecting layer (6), and then pouring a concrete reinforcing layer (8) on the surface of the asphalt concrete impermeable layer (7), wherein one part of the anchoring piece (11) is exposed out of the concrete reinforcing layer (8);
g supporting the template T at the periphery of the exposed anchoring piece (11)3Then on the concrete reinforcement layer (8) is placed a formwork T3Pouring the anti-impact bulge (9) in, enabling the anchoring piece (11) to be positioned inside the anti-impact bulge (9), and dismantling the template T after the anti-impact bulge (9) is dried3；
h, pouring a concrete protective layer (10) on the surface of the anti-impact bulge (9);
i, arranging a flood diversion pipe (12) parallel to the water flow direction on the upper surface of the dam body (1), fixing the flood diversion pipe (12) on the dam body (1), sleeving a filter screen (13) at the water inlet end of the flood diversion pipe (12), and fixing the water outlet end of the flood diversion pipe (12) on a back slope.
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| CN101831889A (en) * | 2010-05-05 | 2010-09-15 | 河海大学 | Anti-seismic combination slab for earth and rockfill dam and construction method thereof |
| CN202509507U (en) * | 2012-02-29 | 2012-10-31 | 江苏明睿科技实业有限公司 | Concrete slope protection building block |
| CN103898877A (en) * | 2014-04-18 | 2014-07-02 | 清华大学 | Rock-fill concrete construction method |
| CN105544455A (en) * | 2016-02-20 | 2016-05-04 | 叶兴 | Dam over-standard flood diversion duct tape |
| CN105735206A (en) * | 2016-05-05 | 2016-07-06 | 中国电建集团华东勘测设计研究院有限公司 | Repair structure and construction method of pathological concrete gravity dam in severe cold area |
| CN105926544A (en) * | 2016-06-24 | 2016-09-07 | 中国电建集团华东勘测设计研究院有限公司 | Economical debris flow blocking dam structure and construction method thereof |
| CN206752411U (en) * | 2017-05-31 | 2017-12-15 | 山东安澜工程建设有限公司 | A kind of dykes and dams for improving anti-impact force |
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