CN113512994B - Water-storable hollow check dam based on efficient utilization of water resources - Google Patents
Water-storable hollow check dam based on efficient utilization of water resources Download PDFInfo
- Publication number
- CN113512994B CN113512994B CN202110446755.4A CN202110446755A CN113512994B CN 113512994 B CN113512994 B CN 113512994B CN 202110446755 A CN202110446755 A CN 202110446755A CN 113512994 B CN113512994 B CN 113512994B
- Authority
- CN
- China
- Prior art keywords
- water
- water storage
- dam
- dam body
- storage cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/04—Valves, slides, or the like; Arrangements therefor; Submerged sluice gates
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Sewage (AREA)
Abstract
The invention discloses a water-storable hollow siltation dam based on efficient utilization of water resources, which comprises a dam body, wherein the cross section of the dam body is of a trapezoidal structure, a water storage cavity is formed in the dam body, a plurality of water inlet holes are formed in one side of the dam body, the water inlet holes are communicated with the water storage cavity, a water drainage hole is formed in one side of the dam body, which is far away from the water storage cavity, and the end of the water drainage hole is communicated with the bottom of the inner wall of the water storage cavity; the water is blocked by the hollow dam which is arranged, the water is stored in the water storage cavity, flood which cannot be utilized or is difficult to utilize can be effectively utilized, the hollow dam is built, particularly, a reservoir is built beside a hillside land, the problem that the water is not enough in the hillside land and the forest fruit land is solved to a certain extent, the flood with higher silt content can not enter the inside of the water storage cavity, and the clean water with lower silt content at the upper layer can flow into the inside of the water storage cavity, so that the use of follow-up people can be facilitated.
Description
Technical Field
The invention belongs to the technical field of hydraulic engineering, and particularly relates to a water-storage type hollow check dam based on efficient utilization of water resources.
Background
In northern arid mountainous areas, annual precipitation is mostly about 400mm or less, wherein more than 60% of precipitation is concentrated in crops or economic forests and grasses in the form of heavy rain for seven, eight and nine months with the largest water demand for growth and development, and more than 60% of heavy rain forms flood due to high intensity and short time, and the flood carries mud, wraps up sand and leaks. The slope crops and the forest and grass cannot be irrigated in time, so that the yield is reduced and even the crops wither; the upper stream of the spilled flood washes out farmlands, roads and villages, while the lower stream deposits in river channels and lifts river beds, which causes great loss. In order to prevent and control water and soil loss and increase cultivated land, governments in various places build a large number of siltation dams in trenches, and although the purposes of soil conservation, land increase and water and soil loss prevention are achieved primarily, development of water conservation and water utilization functions is blank, and only soil conservation and no water conservation are achieved. For the masses in arid mountainous areas with more land and less water, one more land and one less land are not enough, and a plurality of water sources can generate direct benefits.
The main mode for preventing and controlling water and soil loss and flood resource utilization in arid mountainous areas is channel treatment engineering, and is mainly a silt dam at present. Because the siltation dam is higher in position, simple in structure and low in flood design standard, the water storage function is generally not considered, so that the water required by crops or forest fruits for growth and development cannot be kept up after the flood season, the economic benefit of the siltation dam is directly influenced, the enthusiasm of the masses for building and maintaining the siltation dam is contused, and the agricultural development in arid mountain areas is very difficult to realize.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the water-storable hollow check dam based on the efficient utilization of water resources, and solves the problems that the traditional check dam is simple in structure, low in flood design standard, and only soil conservation and no water conservation are generally realized without considering the water storage function.
The utility model provides a but hollow check dam of water storage formula based on water resource high-efficient utilization, includes the dam body, and the cross-section of dam body is trapezium structure, and the water storage chamber has been seted up to the inside of dam body, and the upstream face one side from the top down of dam body is equipped with a plurality of inlet opening, and the inlet opening is linked together with the water storage chamber, and the wash port has been seted up to the opposite side bottom of dam body surface of a backdrop, and the wash port is linked together with the water storage chamber, and the access well has been seted up at the top of dam body, and the access well is linked together with the water storage chamber.
The water inlet holes are arranged in multiple layers from top to bottom, the layers are arranged at intervals, each layer is provided with one or more water inlet holes, and the water inlet holes of each layer are positioned on the same horizontal line.
The water inlet is arranged from the outer wall of the dam body to the inner part of the water storage cavity in a downward inclined mode.
The outer wall of one side of the dam body, which is close to the water inlet holes, is built with a plurality of steps, each layer of water inlet holes corresponds to one step, and the steps are laid along the width direction of the water-facing surface of the dam body.
And a valve is arranged in each water inlet hole, and a valve is arranged in each water outlet hole 6.
A water storage volume calculation method of a water storage type hollow check dam based on efficient water resource utilization is characterized in that the water storage volume of the hollow check dam is the volume of an internal water storage cavity, the water storage volume of the hollow check dam is S = min (Q, V), wherein Q is the annual maximum water collection amount in a small flow area, and V is the average annual water consumption amount.
Q＝A*μ*α*Pi*COSβ；
In the formula, Q-water collection quantity (m) 3 ) A- - -effective catchment area (m) 2 )
The effective water collecting area specifically refers to the water collecting area in the watershed of the small watershed, and refers to the vertical projection area of the channel and the slope, namely the area capable of collecting rainwater.
Mu- - -coefficient of assurance
The guarantee coefficient refers to probability coefficient in meteorology, and refers to 50-year-one or one-hundred-year-one rainstorm
Alpha-runoff coefficient
Pi-average annual precipitation (m)
Beta-slope of water collection surface
The weighted average gradient is different gradients in a small flow field, and can also be a median of the different gradients;
V＝a*Wmax
in the formula, V-water consumption (m) 3 )
a- - -volume coefficient, 0.8 is taken
Wmax — maximum water usage for the average year.
Compared with the prior art, the invention has the beneficial effects that:
1. the hollow check dam body can block flood, and meanwhile, the water storage cavity in the hollow check dam can store clear water, so that the flood which cannot be utilized or is difficult to utilize can be effectively utilized. The construction of the hollow check dam, especially the construction of a reservoir beside a hillside land, can effectively solve the problem of insufficient water consumption of the hillside land and the forest and fruit land to a certain extent and create favorable conditions for ecological civilized construction.
2. The step is built near each layer of inlet opening for the staff can conveniently operate the inlet opening and open or close, only clear water flows into the water storage cavity, and muddy water and silt are all stopped outside the dam body.
3. The inspection well is used for inspecting the water quality and the water quantity and inspecting the interior of the dam body when no water exists in the dam body, and the use is very convenient.
4. By calculating the water storage volume of the hollow check dam, the volume of a water storage cavity of the hollow check dam can be selected and built according to different terrains and channels, so that the hollow check dam is convenient to build, and rainfall resources are fully utilized.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention in use;
fig. 3 is an enlarged view of the structure at a in fig. 2 according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-3, a hollow siltation dam capable of storing water based on efficient utilization of water resources comprises a dam body 1, wherein the cross section of the dam body 1 is of a trapezoidal structure, a water storage cavity 3 is formed in the dam body 1, a plurality of water inlet holes 4 are formed in one side of the upstream face of the dam body 1 from top to bottom, the water inlet holes 4 are communicated with the water storage cavity 3, a drain hole 6 is formed in the bottom of the other side of the back face of the dam body 1, the drain hole 6 is communicated with the water storage cavity 3, an overhaul well 5 is formed in the top of the dam body 1, and the overhaul well 5 is communicated with the water storage cavity 3.
In the embodiment, the water is blocked by the hollow dam and the water storage cavity 3 is used for storing water, so that the unavailable or difficult-to-utilize flood can be effectively utilized. The hollow dam is built, especially if a reservoir is built beside a hillside land, the problem of insufficient water consumption of the hillside land and the forest and fruit land can be effectively solved to a certain extent, and favorable conditions are created for ecological civilization construction.
The maintenance well 5 is used for checking the water quality, the water quantity and the interior of the dam body 1 when no water exists in the dam body 1, and the use is very convenient.
The water inlet holes 4 are arranged in multiple layers from top to bottom, the layers are arranged at intervals, each layer is provided with one or more water inlet holes, and the water inlet holes of each layer are positioned on the same horizontal line.
The inlet opening 4 is the inside downward sloping setting of the outer wall to the water storage chamber 3 by the dam body 1, and the inlet opening 4 of slope makes things convenient for water to get into the inside in water storage chamber 3 along inlet opening 4.
A plurality of steps 12 are built on the outer wall of one side, close to the water inlet holes 4, of the dam body 1, each layer of water inlet holes corresponds to one step 12, and the steps 12 are laid along the width direction of the water-facing surface of the dam body 1. The arrangement of the step 12 facilitates the maintenance personnel to move up, down, left and right along the step to reach the position near any one water inlet hole, and meanwhile, the maintenance is convenient.
All set up valve 7 in every inlet opening 4, the staff of hollow check dam is according to the clear degree of quality of water of naked eye observation, moves about from top to bottom along step 12, opens the valve 7 of the inlet opening of clear water layer for clear water flows in the water storage chamber 3. A valve 8 is arranged in the drain hole 6.
The valves 7 and 8 are manually controlled valves or simple plugs, as long as the prior art of opening or closing the water inlet hole can be satisfied.
The application also provides a water storage volume calculation method of the water-storable hollow check dam based on the efficient utilization of water resources, wherein the water storage volume of the hollow check dam is the volume of the internal water storage cavity, and the determination of the volume of the water storage cavity of the hollow dam requires to calculate the maximum water collection amount per year and calculate the average annual water consumption.
The water collection amount can be calculated according to the following formula:
Q＝A*μ*α*Pi*COSβ
in the formula, Q-water collection quantity (m) 3 ) A- - - -effective catchment area (m) 2 )
The effective water collecting area specifically refers to the water collecting area in the watershed of the small watershed, and refers to the vertical projection area of the channel and the slope, namely the area capable of collecting rainwater.
Mu- - -coefficient of assurance
The guarantee coefficient refers to probability coefficient in meteorology, and refers to 50-year-first or one-hundred-year-first rainstorm
Alpha-runoff coefficient
Pi- -annual average precipitation (m)
Beta-grade of water collection surface
The weighted average gradient of different gradients in the small flow field can be the median of different gradients.
The average annual water usage can be calculated according to the following formula:
V＝a*Wmax
v- -water consumption (m) 3 )
a- - - -volume coefficient, is 0.8
Wmax — maximum water usage for the average year.
The water storage volume is the minimum value of Q and V, and the volume of the water storage cavity of the hollow dam is obtained.
The working principle and the using process of the invention are as follows: the dam body 1 is used for the hollow silted dam to block water, the water is stored in the water storage cavity 3 in the dam, the inlet water is injected into the water storage cavity 3 through the water inlet hole 4 in the dam body 1, the water flows out from the water outlet hole 6 in a self-flowing mode through the fall, workers move along the step 12, the water quality clarity degree is observed according to the sediment content distribution in flood water, the water inlet hole of the clear water layer is opened manually, the clean water with lower sediment content in the upper layer can flow into the water storage cavity 3 along the water inlet hole 4, the flood water with higher sediment content can not enter the water storage cavity 3 along the water inlet hole 4, the water stored in the water storage cavity 3 is clean water, the use of follow-up people can be facilitated, the manhole 5 is used for checking the water quality, the water quantity and the interior of the dam body 1 when no water exists in the dam body 1.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A method for calculating the water storage volume of a water-storable hollow check dam based on efficient utilization of water resources is characterized by comprising the following steps: the hollow silting dam comprises a dam body (1), the cross section of the dam body (1) is of a trapezoid structure, a water storage cavity (3) is formed in the dam body (1), a plurality of water inlet holes (4) are formed in one side, facing the water surface, of the dam body (1) from top to bottom, the water inlet holes (4) are communicated with the water storage cavity (3), a drain hole (6) is formed in the bottom of the other side, facing the water surface, of the dam body (1), the drain hole (6) is communicated with the water storage cavity (3), an overhaul well (5) is formed in the top of the dam body (1), and the overhaul well (5) is communicated with the water storage cavity (3);
the water storage volume of the hollow check dam is the volume of an internal water storage cavity, and S = min (Q, V) is the water storage volume of the hollow check dam, wherein Q is the annual maximum water collection amount in a small flow area, and V is the average annual water consumption;
Q=A*μ*α*Pi*COSβ；
q in small watershed annual maximum water collection volume (m) A in China-active water collection area (m)
The effective water collecting area specifically refers to the water collecting area in the watershed of the small watershed, and refers to the vertical projection area of the channel and the slope, namely the area capable of collecting rainwater,
mu- - -coefficient of assurance
The guarantee coefficient refers to probability coefficient in meteorology, and refers to 50-year-first or one-hundred-year-first rainstorm
Coefficient of alpha-runoff
Pi-average annual precipitation (m)
Beta-slope of water collection surface
The weighted average gradient is different gradients in a small flow field, and can also be a median of the different gradients;
V= a *Wmax
v- - -average annual water consumption (m)
a- - - -volume coefficient, is 0.8
Wmax — maximum water usage for the average year.
2. The method for calculating the water storage volume of a hollow dam according to claim 1, wherein: the water inlet holes (4) are arranged in multiple layers from top to bottom, the layers are arranged at intervals, each layer is provided with one or more water inlet holes, and the water inlet holes of each layer are positioned on the same horizontal line.
3. The method for calculating the water storage volume of a hollow dam according to claim 1, wherein: the water inlet (4) is arranged from the outer wall of the dam body (1) to the inner part of the water storage cavity (3) in a downward inclined mode.
4. The method for calculating the water storage volume of a hollow dam according to claim 1, wherein: the outer wall of one side, close to the water inlet holes (4), of the dam body (1) is built with a plurality of steps (12), each layer of water inlet holes corresponds to one step (12), and the steps (12) are laid along the width direction of the water facing surface of the dam body (1).
5. The method for calculating the water storage volume of a hollow dam according to claim 1, wherein: a valve is arranged in each water inlet hole (4), and a valve is arranged in each water outlet hole (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110446755.4A CN113512994B (en) | 2021-04-25 | 2021-04-25 | Water-storable hollow check dam based on efficient utilization of water resources |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110446755.4A CN113512994B (en) | 2021-04-25 | 2021-04-25 | Water-storable hollow check dam based on efficient utilization of water resources |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113512994A CN113512994A (en) | 2021-10-19 |
| CN113512994B true CN113512994B (en) | 2023-01-17 |
Family
ID=78061268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110446755.4A Active CN113512994B (en) | 2021-04-25 | 2021-04-25 | Water-storable hollow check dam based on efficient utilization of water resources |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113512994B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10311014A (en) * | 1997-05-12 | 1998-11-24 | Kaihatsu Doboku Consultant:Kk | Water storage facility using underground hollow dam and operation method therefor |
| CN109724653A (en) * | 2019-03-12 | 2019-05-07 | 长江水利委员会水文局 | A kind of high rod-type gamut hydrological observation platform and its construction and integrated approach |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4049492B2 (en) * | 1999-09-30 | 2008-02-20 | 前澤工業株式会社 | Uniform overflow weir for movable weir and water storage treatment facility |
| CN104141287B (en) * | 2013-05-07 | 2015-12-09 | 上海交通建设总承包有限公司 | Inland river water diversion engineering construction method |
| CN106284506A (en) * | 2016-08-30 | 2017-01-04 | 黄河水利委员会黄河水利科学研究院 | A kind of silt arrester water resource storing facilities of water |
-
2021
- 2021-04-25 CN CN202110446755.4A patent/CN113512994B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10311014A (en) * | 1997-05-12 | 1998-11-24 | Kaihatsu Doboku Consultant:Kk | Water storage facility using underground hollow dam and operation method therefor |
| CN109724653A (en) * | 2019-03-12 | 2019-05-07 | 长江水利委员会水文局 | A kind of high rod-type gamut hydrological observation platform and its construction and integrated approach |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113512994A (en) | 2021-10-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213390170U (en) | Ecological slope wall of hydraulic engineering | |
| CN206090587U (en) | School dropout's attitude system of watering is gathered to side slope | |
| CN102926362B (en) | Pollution control and emission reduction method for farmland drainage | |
| CN206575904U (en) | A kind of domatic saline and alkaline improvement vegetation water-saving structure | |
| CN210104936U (en) | Ecological drainage ditch | |
| WO2020094086A1 (en) | Modern water conservation technology and circular agriculture system, and construction method for same | |
| CN208844656U (en) | Rainwater-collecting and constant pressure seep vegetation moisturizing net certainly | |
| CN209494139U (en) | A kind of anti-roof afforestation structure of waterproof | |
| CN106358986A (en) | Water-fertilizer integrated irrigation system applicable to alpine and gorge regions | |
| CN107347551B (en) | Ecological revetment of type river is swung to arid desert area wandering | |
| CN111705589B (en) | Rainwater collection system of hollow water-permeable curb | |
| CN211353410U (en) | Sloping field tea garden infiltration pipe water intaking drip irrigation system that catchments | |
| CN113512994B (en) | Water-storable hollow check dam based on efficient utilization of water resources | |
| CN113073706A (en) | Submerged flow intercepting water intake structure and construction method | |
| CN210202763U (en) | Sponge urban green belt | |
| CN209907348U (en) | Farmland underground pipe network water storage and water transfer circulation irrigation system | |
| CN112012164A (en) | Ecological riverway restoration system in northwest desert area based on branch of a river infiltrating wheel irrigation and construction method | |
| CN208105426U (en) | A kind of greenbelt to prevent erosion | |
| CN207484386U (en) | Reservoir structure and the irrigation system to different height terraced fields in the raceway groove of hilly country | |
| CN206956909U (en) | A kind of underground staged chain rainwater storage pond | |
| CN205922310U (en) | System that utilizes is stored up to rainwater | |
| CN211312590U (en) | Novel side slope greening retaining wall group | |
| CN206052848U (en) | Blood circulation is irrigated in a kind of efficient farmland rain penetration | |
| CN107842089A (en) | A kind of water resources circulation system based on green building | |
| CN114250827A (en) | Structure for flowing spring water into village to construct water conservancy facilities for beneficial mutual transformation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220729 Address after: 450003 Henan Province, Zhengzhou City Road No. 45 Applicant after: YELLOW RIVER INSTITUTE OF HYDRAULIC RESEARCH Applicant after: YELLOW RIVER CONSERVANCY TECHNICAL INSTITUTE Address before: 450003 Henan Province, Zhengzhou City Road No. 45 Applicant before: YELLOW RIVER INSTITUTE OF HYDRAULIC RESEARCH |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |