CN211922497U - River course view dam structure - Google Patents
River course view dam structure Download PDFInfo
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- CN211922497U CN211922497U CN202020341819.5U CN202020341819U CN211922497U CN 211922497 U CN211922497 U CN 211922497U CN 202020341819 U CN202020341819 U CN 202020341819U CN 211922497 U CN211922497 U CN 211922497U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/30—Flood prevention; Flood or storm water management, e.g. using flood barriers
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Abstract
The utility model belongs to the technical field of the hydraulic engineering technique and specifically relates to a river course view dam structure is related to. This river course view dam structure includes: the system comprises a landscape dam body, an upstream concrete bottom protection bank protection, an upstream river building facility, a stilling pool and a downstream river building facility; the landscape dam body is connected with the upstream river channel building facility through the upstream concrete bottom protection bank; and the landscape dam body is connected with the downstream river channel building facilities through the stilling pool. The utility model adopts the river landscape structure of the gelled sand gravel dam body on the basis of the sand gravel riverbed; the dam body structure is partitioned, the sand-gravel stones of the riverways with various particle sizes are comprehensively utilized while the functions of flood discharge, water blocking, freezing prevention and the like are met, the waste slag is reduced, the manufacturing cost is reduced, the problem that the large-area mining yards are forbidden to be developed due to environmental protection at present, concrete aggregate, stone and pebble are in short supply is solved, and the ecological civilization construction concept of grasping ecological construction by the aid of the system engineering thinking is met.
Description
Technical Field
The utility model belongs to the technical field of the hydraulic engineering technique and specifically relates to a river course view dam structure is related to.
Background
The existing river water landscape on a sand-gravel layer mostly adopts a structure that water-retaining buildings such as a concrete dam, a stone-masonry dam, a rubber dam and the like are combined with riverbed hardening seepage prevention. The sand, gravel and gravel of river channel with various grain diameters of river bed are not comprehensively utilized in each building structure. The river sand gravel is used as concrete aggregate, and needs to be screened, the waste material is crushed, the material stone needs to be processed or collected, and the process is complex and uneconomical; the river course bottom protection and bank protection hardening seepage prevention has poor landscape effect when the water depth of the river course is small.
The information disclosed in this background section is only for enhancement of understanding of the general background of the application and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a river course view dam structure to solve the technical problem who exists among the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a river course view dam structure, it includes: the system comprises a landscape dam body, an upstream concrete bottom protection bank protection, an upstream river building facility, a stilling pool and a downstream river building facility;
the landscape dam body is arranged on the bed sand gravel cushion layer;
the surface of the landscape dam body is provided with a reinforced concrete facing, the water facing surface of the reinforced concrete facing is inclined, the overflow surface of the reinforced concrete facing is in a continuous step shape, and landscape modeling masonry stones are arranged on steps of the overflow surface; gelled sand gravel is arranged inside the landscape dam body, one side of the gelled sand gravel, which is in contact with the upstream face, is inclined, one side of the gelled sand gravel, which is in contact with the overflow face, is continuously inclined, and one side of the gelled sand gravel, which is in contact with the base of the landscape dam body, is horizontal; the base of the landscape dam body is provided with rich-slurry sand gravel;
the landscape dam body is connected with the upstream river channel building facility through the upstream concrete bottom protection bank; and the landscape dam body is connected with the downstream river channel building facilities through the stilling pool.
As a further technical proposal, the step of the overflow surface of the reinforced concrete protective surface is provided with a horizontal table surface and a vertical table surface;
the horizontal table top and the vertical table top are sequentially and alternately connected;
the top of the upstream surface of the reinforced concrete armor is connected with the uppermost horizontal table surface of the step;
the back side of the rich-mortar gravel is connected with the lowest vertical table-board of the step in a flush manner.
As a further technical scheme, the inclined step of the cemented sand gravel contacted with the overflow surface is provided with a horizontal contact surface and an inclined contact surface;
the horizontal contact surface and the inclined contact surface are sequentially and alternately connected.
As a further technical scheme, the landscape modeling masonry stone comprises pebbles or stone materials.
As a further technical solution, the upstream river building and the downstream river building each include: building river bottom;
the bottom of the river bottom protection building is provided with a geomembrane;
a concrete grid anchoring beam is poured on the geomembrane;
and the concrete grid anchoring beam is filled with a coarse sand cushion layer and sand gravel.
As a further technical solution, the upstream river building and the downstream river building each include: river bank protection;
concrete revetments are arranged on the river bank protection;
six-edge concrete lattice beams are built on the concrete revetment;
the six-edge concrete grid beam is filled with natural soil.
As a further technical scheme, a concrete cushion is laid at the bottom of the stilling pool and is provided with a reinforced concrete bottom plate and a reinforced concrete outer wall.
As a further technical scheme, a 3 m-wide riprap impact-proof body is arranged behind the stilling basin.
As a further technical scheme, the riprap anti-impact body is flush with the reinforced concrete outer wall of the stilling pool.
As a further technical scheme, a coarse sand cushion layer and a geomembrane are sequentially arranged below the riprap scour prevention body.
Adopt above-mentioned technical scheme, the utility model discloses following beneficial effect has:
the utility model adopts the river landscape structure of the gelled sand gravel dam body on the basis of the sand gravel riverbed; and the dam body structure is partitioned, so that the functions of flood discharge, water blockage, freezing prevention and the like are met, and the sand-egg gravel of the riverway with various particle sizes is comprehensively utilized, so that the waste slag is reduced.
The utility model discloses well river bottom revetment adopts geomembrane anchor roof beam intussuseption coarse sand and gravel structure, adopts concrete bank protection + hexagonal body concrete lattice beam to embed natural soil structure to the river course shore protection, when satisfying functions such as scour protection, prevention of seepage, preventing frostbite, utilizes each particle diameter soil material of river course comprehensively. When the water level is lower, the surface of the bottom of the river channel is natural sand gravel, and the whole landscape effect is closer to the nature by planting or naturally growing various local plants in the concrete hexagonal block grids.
The utility model discloses in through building structure subregion, rational utilization riverbed soil material has alleviated present forbid large tracts of land exploitation stock ground shortage concrete aggregate, material stone, cobble problem because of environmental protection when reducing the cost. Accords with the ecological civilized construction concept of grasping ecological construction by the system engineering thought.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic cross-sectional view of a river landscape dam structure provided by an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a landscape bank protection provided by an embodiment of the present invention;
fig. 3 is a schematic plan view of a river landscape dam structure provided by an embodiment of the present invention;
fig. 4 is the utility model provides a river course view dam structure's material subregion sketch map.
Icon, 1: building river bottom; 2: river bank protection; 3: upstream concrete bottom protection and bank protection; 4: rich slurry sand gravel; 5: gelling sand gravel; 6: protecting the surface of the reinforced concrete; 7: landscape rockfill; 8: a stilling pool; 9: riverbed sand gravel; 10-flint scour protection.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
Example one
Referring to fig. 1 to 4, the present embodiment provides a riverway landscape dam structure, which includes: the dam comprises a landscape dam body, an upstream concrete bottom protection and bank protection 3, an upstream river building facility, a stilling pool 8 and a downstream river building facility; the landscape dam body is arranged on the riverbed sand-ovum gravel 9 cushion layer; the surface of the landscape dam body is provided with a reinforced concrete facing 6, the water facing surface of the reinforced concrete facing 6 is inclined, the overflow surface of the reinforced concrete facing 6 is in a continuous step shape, and landscape modeling stones are arranged on the steps of the overflow surface; gelled sand gravel 5 is arranged inside the landscape dam body, one side of the gelled sand gravel 5, which is in contact with the upstream face, is inclined, one side of the gelled sand gravel 5, which is in contact with the overflow face, is continuously inclined, and one side of the gelled sand gravel 5, which is in contact with the base of the landscape dam body, is horizontal; the base of the landscape dam body is provided with rich-mortar gravel 4; the landscape dam body is connected with the upstream river channel building facility through the upstream concrete bottom protection and bank protection 3; and the landscape dam body is connected with the downstream river channel building facilities through the stilling pool 8. In the embodiment, a riverway landscape structure of a cemented sand gravel 5 dam body is adopted on the basis of a sand-gravel riverbed; and the dam body structure is partitioned, so that the functions of flood discharge, water blockage, freezing prevention and the like are met, and the sand-egg gravel of the riverway with various particle sizes is comprehensively utilized, so that the waste slag is reduced.
To illustrate more specifically, among other things, the step of the overflow surface of the reinforced concrete facing 6 has a horizontal and a vertical level; the horizontal table top and the vertical table top are sequentially and alternately connected; the top of the upstream surface of the reinforced concrete protective surface 6 is connected with the uppermost horizontal table surface of the step; the rear side of the rich-mortar gravel 4 is flush-connected with the lowermost vertical table of the step. The landscape modeling masonry is positioned on the horizontal table surface of the step, and the landscape effect is good. Correspondingly, the inclined step of the cemented sand gravel 5 contacting with the overflow surface has a horizontal contact surface and an inclined contact surface; the horizontal contact surface and the inclined contact surface are sequentially and alternately connected, so that the occlusion force of the material is increased.
In this embodiment, as a further technical scheme, the landscape modeling masonry includes pebbles or stones. In this embodiment, preferably, the reinforced concrete facing 6 disposed on the surface of the landscape dam body is 0.5m thick. In this embodiment, preferably, the upstream slope 1 of the landscape dam body is: 0.3, downstream integrated dam slope 1: 1.2. in this embodiment, preferably, the right bank of the landscape dam body is provided with an emptying pipe and a gate valve well.
In this embodiment, as a further technical solution, the upstream river building facility and the downstream river building facility both include: river bottom protection and building 1; the bottom of the river bottom protection building 1 is provided with a geomembrane; a concrete grid anchoring beam is poured on the geomembrane; and the concrete grid anchoring beam is filled with a coarse sand cushion layer and sand gravel. In addition, the river bottom protection building 1 is arranged on a bed sand gravel 9 cushion layer. In this embodiment, as a further technical solution, the upstream river building facility and the downstream river building facility both include: river bank protection 2; the river bank protection 2 is provided with a concrete slope protection; six-edge concrete lattice beams are built on the concrete revetment; the six-edge concrete grid beam is filled with natural soil.
It can be seen that in this embodiment, the river bottom revetment 1 adopts a structure of geomembrane anchoring beams filled with coarse sand and gravel, and the river bank revetment 2 adopts a structure of concrete slope protection and hexagonal concrete lattice beams filled with natural soil, so that the functions of scour prevention, seepage prevention, freeze prevention and the like are met, and meanwhile, soil materials with various particle sizes in the river are comprehensively utilized. When the water level is lower, the surface of the bottom of the river channel is natural sand gravel, and the whole landscape effect is closer to the nature by planting or naturally growing various local plants in the concrete hexagonal block grids.
In this embodiment, as a further technical scheme, a concrete cushion is laid at the bottom of the stilling pool 8, and the concrete cushion is provided with a reinforced concrete bottom plate and a reinforced concrete outer wall.
Preferably, a 3 m-wide riprap impact-proof body 10 is arranged behind the stilling pool 8.
In addition, the riprap anti-impact body 10 is flush with the reinforced concrete outer wall of the stilling pool 8.
As a further technical scheme, a coarse sand cushion layer and a geomembrane are sequentially arranged below the riprap scour prevention body 10.
The embodiment also provides a construction method of the river landscape dam structure, reasonable unit projects are divided according to the characteristics of project buildings, construction is carried out independently and sectionally, each process meets the standard requirement, and the next process can be carried out after acceptance check is qualified, and the method comprises the following steps:
construction steps of river bottom revetment 1 and river bank revetment 2
Step 1: and clearing the surface, stripping soil bodies with related particle sizes, excavating a foundation pit, and leveling and rolling the foundation sand gravel according to design requirements.
Step 2: and constructing the embankment body of the river channel revetment 2 according to relevant parameter indexes determined by a field rolling experiment during embankment filling, particularly paving thickness, rolling times, relative density indexes and the like.
And step 3: and constructing a river bottom protection step 1, namely paving, welding a geomembrane → pouring a concrete grid anchoring beam → filling a coarse sand cushion layer and sand gravel on the grid anchoring beam in sequence.
And 4, step 4: constructing the river channel upstream protection surface cast-in-place concrete slope protection → building the six-edge concrete lattice beam → filling the lattice beam with natural soil.
Second, construction steps of upstream concrete bottom protection and bank protection
Step 1: and clearing the surface, stripping soil bodies with related particle sizes, excavating a foundation pit, and leveling and rolling the foundation sand gravel according to design requirements.
Step 2: and constructing the embankment body of the upstream concrete revetment according to relevant parameter indexes determined by a field rolling experiment during embankment filling, particularly paving thickness, rolling times, relative density indexes and the like.
And step 3: constructing an upstream concrete bottom protection, and paving and compacting a cushion layer in sequence;
and 4, step 4: and (5) casting a concrete bottom plate by using the vertical mold.
Thirdly, constructing mortar-rich gravel 4 gelled gravel 5, reinforced concrete facing 6 and landscape rockfill 7
Step 1: excavating a foundation pit (carrying earth and gravel by particle size), leveling and rolling the foundation sand and gravel.
Step 2: and (4) constructing rich mortar gravel 4 by using a vertical mold.
And step 3: after the implementation of the rich-mortar gravel 4 is finished, the gelled gravel 5 is constructed according to relevant parameter indexes determined by a field rolling experiment, and special attention needs to be paid to the mixing proportion, the rolling thickness, the rolling times, the vibration rolling walking speed and the like.
And 4, step 4: after construction, erecting a mould and binding reinforcing steel bars to construct a reinforced concrete protective surface 6;
and 5: and constructing the landscape rockfill 7 after construction is finished.
Construction step of stilling pool 8
Step 1: excavating a foundation pit according to the design, and leveling and rolling the foundation sand gravel.
Step 2: the cushion is paved and compacted.
And step 3: and (4) erecting a mold and pouring a bottom plate and side walls of the stilling pool 8.
Preferably, the river bottom protection building 1 adopts two pieces of cloth and one film, the top of the film is provided with a grid anchoring beam, and a coarse sand cushion layer with the thickness of 5cm and sand gravel with the mud content of less than 10 percent with the thickness of 35cm are laid in the grid. The river course revetment 2 is slope type revetment, and upstream face slope protection material adopts cast in situ concrete, for cooperating the both sides view, and the part of revetment is above the design water level adopts six arris body concrete check roof beams to fill the natural soil that can grow the plant near the river course, plants local plant. The upstream concrete bottom protection and the bank protection are secondary mixed concrete. The gelled sand gravel 5 requires that the grain diameter of the sand gravel is not more than 150mm, and the mud content is not more than 5%. The reinforced concrete protective surface 6 is reinforced concrete which meets the anti-freezing requirement in a secondary distribution mode. The landscape rockfill 7 is made of grouted or first-grade concrete masonry landscape pebbles, and the pebbles can be natural pebbles with large particle size in a river channel. The stilling pool 8 is secondary mixed concrete.
To sum up, the utility model adopts the river landscape structure of the gelled sand gravel dam body on the basis of the sand gravel riverbed; and the dam body structure is partitioned, so that the functions of flood discharge, water blockage, freezing prevention and the like are met, and the sand-egg gravel of the riverway with various particle sizes is comprehensively utilized, so that the waste slag is reduced.
The utility model discloses well view river bed protects and builds and adopts geomembrane anchor roof beam intussuseption coarse sand and gravel structure, adopts concrete bank protection + hexagonal body concrete lattice beam to embed natural soil structure to the river course shore protection, when satisfying functions such as scour protection, prevention of seepage, prevent frostbite, utilizes each particle diameter soil material in river course comprehensively. When the water level is lower, the surface of the bottom of the river channel is natural sand gravel, and the whole landscape effect is closer to the nature by planting or naturally growing various local plants in the concrete hexagonal block grids.
The utility model discloses in through building structure subregion, rational utilization riverbed soil material has alleviated present forbid large tracts of land exploitation stock ground shortage concrete aggregate, material stone, cobble problem because of environmental protection when reducing the cost. Accords with the ecological civilized construction concept of grasping ecological construction by the system engineering thought.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides a river course view dam structure which characterized in that includes: the system comprises a landscape dam body, an upstream concrete bottom protection bank protection, an upstream river building facility, a stilling pool and a downstream river building facility;
the landscape dam body is arranged on the bed sand gravel cushion layer;
the surface of the landscape dam body is provided with a reinforced concrete facing, the water facing surface of the reinforced concrete facing is inclined, the overflow surface of the reinforced concrete facing is in a continuous step shape, and landscape modeling masonry stones are arranged on steps of the overflow surface; gelled sand gravel is arranged inside the landscape dam body, one side of the gelled sand gravel, which is in contact with the upstream face, is inclined, one side of the gelled sand gravel, which is in contact with the overflow face, is continuously inclined, and one side of the gelled sand gravel, which is in contact with the base of the landscape dam body, is horizontal; the base of the landscape dam body is provided with rich-slurry sand gravel;
the landscape dam body is connected with the upstream river channel building facility through the upstream concrete bottom protection bank; and the landscape dam body is connected with the downstream river channel building facilities through the stilling pool.
2. The riverway landscape dam structure according to claim 1, wherein the step of the overflow surface of the reinforced concrete facing has a horizontal table and a vertical table;
the horizontal table top and the vertical table top are sequentially and alternately connected;
the top of the upstream surface of the reinforced concrete armor is connected with the uppermost horizontal table surface of the step;
the back side of the rich-mortar gravel is connected with the lowest vertical table-board of the step in a flush manner.
3. The riverway landscape dam structure according to claim 1, wherein the inclined step of the gelled sand gravel contacting with the overflow surface has a horizontal contact surface and an inclined contact surface;
the horizontal contact surface and the inclined contact surface are sequentially and alternately connected.
4. The riverway landscape dam structure of claim 1, wherein the landscape architectural stones comprise pebbles or stone aggregates.
5. The riverway landscape dam structure of claim 1, wherein the upstream riverway building and the downstream riverway building each comprise: building river bottom;
the bottom of the river bottom protection building is provided with a geomembrane;
a concrete grid anchoring beam is poured on the geomembrane;
and the concrete grid anchoring beam is filled with a coarse sand cushion layer and sand gravel.
6. The riverway landscape dam structure of claim 1, wherein the upstream riverway building and the downstream riverway building each comprise: river bank protection;
concrete revetments are arranged on the river bank protection;
six-edge concrete lattice beams are built on the concrete revetment;
the six-edge concrete grid beam is filled with natural soil.
7. The riverway landscape dam structure according to claim 1, wherein a concrete cushion is laid at the bottom of the stilling pool, and the concrete cushion is provided with a reinforced concrete bottom plate and a reinforced concrete outer wall.
8. The riverway landscape dam structure according to claim 1, wherein a 3m wide riprap scour prevention body is arranged behind the stilling pool.
9. The riverway landscape dam structure according to claim 8, wherein the riprap anti-impact body is flush with the reinforced concrete outer wall of the stilling pool.
10. The riverway landscape dam structure according to claim 9, wherein a coarse sand cushion layer and a geomembrane are sequentially arranged under the riprap scour prevention body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020341819.5U CN211922497U (en) | 2020-03-18 | 2020-03-18 | River course view dam structure |
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| CN202020341819.5U CN211922497U (en) | 2020-03-18 | 2020-03-18 | River course view dam structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119287824A (en) * | 2024-10-23 | 2025-01-10 | 中国水利水电第四工程局有限公司 | Sand and gravel body crack prevention protection device and method |
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2020
- 2020-03-18 CN CN202020341819.5U patent/CN211922497U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119287824A (en) * | 2024-10-23 | 2025-01-10 | 中国水利水电第四工程局有限公司 | Sand and gravel body crack prevention protection device and method |
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