CN205742067U - The reservoir structure of limestone basic unit - Google Patents

The reservoir structure of limestone basic unit Download PDF

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Publication number
CN205742067U
CN205742067U CN201620648582.9U CN201620648582U CN205742067U CN 205742067 U CN205742067 U CN 205742067U CN 201620648582 U CN201620648582 U CN 201620648582U CN 205742067 U CN205742067 U CN 205742067U
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China
Prior art keywords
reservoir
limestone
basal plane
basic unit
slope
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Expired - Fee Related
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CN201620648582.9U
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Chinese (zh)
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李德群
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李德群
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Priority to CN201620648582.9U priority Critical patent/CN205742067U/en
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Abstract

The utility model discloses the reservoir structure of a kind of limestone basic unit, including limestone gully landforms, these landforms include the slope portion on the dirt bed thickness bottom of trench more than 5 meters and bottom of trench both sides, the bottom in slope portion offers the flat basal plane of level wherein, described flat basal plane flushes with the end face of bottom of trench, offering the reservoir of concave downward on described flat basal plane, the inwall at described reservoir is coated with concrete layer.Thus provide the reservoir structure of a kind of limestone basic unit, utilize reservoir to carry out water-retention for In Limestone Area and provide feasible structure, there is the features such as be skillfully constructed, simple in construction, transformation be easy and improvement cost is low.

Description

The reservoir structure of limestone basic unit
Technical field
This utility model relates to the reservoir structure of a kind of limestone basic unit, is mainly used in storing in limestone basic unit Water.
Background technology
At present, reservoir is primarily referred to as at the narrow orifice in gully or river building the artificial lake that barrage is formed.Reservoir Construction Cheng Hou, can play flood control, catchwork irrigation, supply water, generate electricity, the effect of breeding fish etc..Especially for water-deficient area, building reservoir filling is The most effective field irrigation solution.But, for In Limestone Area, due to the long-term corrosion by subsoil water, stone In limestone, insoluble calcium carbonate and water and carbon dioxide reaction are converted into sl. sol. calcium bicarbonate, are if things go on like this formed in underground Solution cavity.
In Limestone Area, the obvious solution cavity mouth in earth's surface is little, and the solution cavity mouth of more than 90 percent is respectively positioned on below earth's surface 3-30 rice depths.Further, due to the formation condition that it is special, the solution cavity of In Limestone Area is concentrated mainly on gully bottom of trench.But, Due to accumulation all the year round, bottom of trench is all covered with at least 10 meters of thick earth, and solution cavity mouth is imbedded under earth and is difficult to find.Further, The solution cavity mouth situation of bottom of trench is complicated, has the features such as quantity is many, density big, blocking difficulty.Therefore, In Limestone Area is typically to repair Building the forbidden zone of reservoir, the water shortage problem of this area can not effectively be solved.
Utility model content
Technical problem to be solved in the utility model is to provide the reservoir structure of a kind of limestone basic unit, is used for solving The water-retention difficult problem in limestone gully.
The technical solution of the utility model is as follows: the reservoir structure of a kind of limestone basic unit, including limestone gully landforms, These landforms include the slope portion on the dirt bed thickness bottom of trench more than 5 meters and bottom of trench both sides, and the bottom in slope portion offers wherein The flat basal plane of level, described flat basal plane flushes with the end face of bottom of trench, offers the reservoir of concave downward, in institute on described flat basal plane The inwall stating reservoir is coated with concrete layer.
Use said structure, offer the flat basal plane flushed with ditch top in the slope portion of bottom of trench wherein side, flat basal plane is opened If the reservoir of concave downward, at reservoir inwall oversite concrete, thus provide the reservoir structure of a kind of limestone basic unit, this water The slope portion on bottom of trench side is built in storehouse, has the advantage that
One, directly avoid bottom of trench complexity, substantial amounts of solution cavity mouth, and offer flat basal plane in slope portion, make opening of slope portion Dig the degree of depth often beyond 30 meters, avoid the degree of depth that solution cavity mouth occurs, even if there is a small amount of solution cavity mouth in slope portion, in digging process i.e. Can find in time and block, it is to avoid substantial amounts of solution cavity mouth is searched and blocking work, builds reservoir filling for In Limestone Area and carries For feasible structure, the water shortage problem of this area can be efficiently solved;
Two, during excavating flat basal plane and reservoir, produce substantial amounts of limestone, can add as the construction material of high-quality Work has the economic worth of reality after becoming limestone rubble, sell the income obtained and can subsidize the expenditure of reservoir excavation, greatly Reduce the cost that reservoir is built;
Three, the reservoir so formed at limestone slope portion excavation, when water-retention exceedes storage capacity, the water of spilling can pass through ditch The end, dredges, and even directly utilizes the solution cavity mouth flood discharge of bottom of trench, does not has the danger of dam break, and sound construction safety is high;
Four, the slope portion often stony desertification on In Limestone Area bottom of trench side is serious, ploughs seldom, so arranges water in slope portion Storehouse, substantially reduce the number and build the arable land that reservoir takies;
Five, the reservoir inwall being so arranged on limestone basic unit is limestone, makes the concrete enclosing of reservoir inwall more Add solid and reliable;
Six, such reservoir structure also can be directly used for abandoned mine regulation, is conducive to improving the economic valency of abandoned mine Value.
The described slope portion offering flat basal plane is milder than the domatic in another slope portion.On the one hand the excavation work of flat basal plane it is easy to, It is easy to improve the area of reservoir, on the other hand is conducive to obtaining wider array of collective area.
Also having at least one step in the slope portion offering flat basal plane, the horizontal stand terrace of described step is all than flat basal plane High.Step is so set, be not only convenient for dregs in digging process transport, and can utilize step carry out greening and Arrange work.
The horizontal bench face width 5-10 rice of described step is green near being provided with of reservoir at described step horizontal stand terrace Changing band, on described flat basal plane, the edge near reservoir also is provided with greenbelt.
The height of each described step is respectively less than equal to 10 meters, opens in the vertical step surface lower end of step at least one described It is provided with cave dwelling.
When reservoir span multiple lime rock stratum, (water seam is between lime rock stratum to there is water seam at the inwall of reservoir Dirt bed) time, described confining bed is the concrete layer of 20-40 cm thick.
When reservoir inwall does not exist water seam, described confining bed is the cement sand bed of 3-4 cm thick.
Beneficial effect: this utility model flushes with ditch top by offering in the slope portion of bottom of trench wherein side, limestone gully Flat basal plane, offers the reservoir of concave downward on flat basal plane, at reservoir inwall oversite concrete layer, thus provides a kind of Calx The reservoir structure of batholith layer, utilizes reservoir to carry out water-retention for In Limestone Area and provides feasible structure, has and is skillfully constructed, ties Structure is simple, transformation easily and the feature such as improvement cost is low.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure, labelling is as follows: slope portion 1, bottom of trench 2, dirt bed 3, flat basal plane 4, reservoir 5, step 6, greenbelt 7, cave dwelling 8 and Confining bed 9.
Detailed description of the invention
Below in conjunction with the accompanying drawings, by detailed description of the invention of the present utility model is further described, make this practicality new Technical scheme and the beneficial effect thereof of type are clearer, clear and definite.
As it is shown in figure 1, this utility model includes limestone gully landforms, these landforms include that dirt bed 3 thickness is more than 5 meters Bottom of trench 2 and the slope portion 1 on bottom of trench 2 both sides.The bottom in slope portion 1 offers the flat basal plane 4 of level wherein, offers flat basal plane 4 Described slope portion 1 milder than the domatic in another slope portion 1.Described flat basal plane 4 flushes with the end face of bottom of trench 2, on described flat basal plane 4 Offering the reservoir 5 of concave downward, the inwall at described reservoir 5 is coated with confining bed 9.When reservoir 5 span multiple lime rock stratum, When inwall at reservoir 5 exists water seam (water stitches the dirt bed being between lime rock stratum), described confining bed 9 is 20-40 centimetre Thick concrete layer, the thickness that pours of the preferred concrete of the present embodiment is 30 centimetres.And described confining bed 9 is by being more than or equal to No. 200 concretings form.When reservoir inwall does not exist water seam, described confining bed is the cement sand bed of 3-4 cm thick. Further, the cement sand bed of storehouse wall is sprayed twice by the cement mortar of 1: 1 and is formed, the cement sand bed of bottom of the reservior by 1: 1 cement Mortar flood irrigation forms.
As it is shown in figure 1, also have at least one step 6, the horizontal bench of described step 6 in the slope portion offering flat basal plane 4 Face is all high than flat basal plane 4.The horizontal bench face width 5-10 rice of described step 6, at described step 6 horizontal stand terrace near reservoir 5 While being provided with greenbelt 7.On described flat basal plane 4, the edge near reservoir 5 also is provided with greenbelt 7.Each described step 6 Highly it is respectively less than equal to 10 meters, offers cave dwelling 8 in the vertical step surface lower end of step at least one described 6.Described reservoir 5 The degree of depth is more than or equal to 10 meters, and area and the shape of reservoir 5 determine according to practical situation, quantity, height and the width of described step 6 Degree, determines according to practice of construction situation, does not repeats at this.

Claims (7)

1. a reservoir structure for limestone basic unit, including limestone gully landforms, these landforms include that dirt bed thickness is more than 5 meters Bottom of trench and the slope portion on bottom of trench both sides, it is characterised in that: the bottom in slope portion offers the flat basal plane of level wherein, described Flat basal plane flushes with the end face of bottom of trench, offers the reservoir of concave downward on described flat basal plane, and the inwall at described reservoir covers There is confining bed.
The reservoir structure of limestone basic unit the most according to claim 1, it is characterised in that: offer the described slope portion ratio of flat basal plane The domatic in another slope portion is mild.
The reservoir structure of limestone basic unit the most according to claim 1 or claim 2, it is characterised in that: in the slope portion offering flat basal plane Also having at least one step, the horizontal stand terrace of described step is all high than flat basal plane.
The reservoir structure of limestone basic unit the most according to claim 3, it is characterised in that: the horizontal bench face width of described step 5-10 rice, is provided with greenbelt at described step horizontal stand terrace near reservoir, near reservoir on described flat basal plane Edge also is provided with greenbelt.
The reservoir structure of limestone basic unit the most according to claim 4, it is characterised in that: the height of each described step is the least In equal to 10 meters, offer cave dwelling in the vertical step surface lower end of step at least one described.
The reservoir structure of limestone basic unit the most according to claim 5, it is characterised in that: described confining bed is 20-40 centimetre Thick concrete layer.
The reservoir structure of limestone basic unit the most according to claim 5, it is characterised in that: described confining bed is 3-4 cm thick Cement sand bed.
CN201620648582.9U 2016-06-27 2016-06-27 The reservoir structure of limestone basic unit Expired - Fee Related CN205742067U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620648582.9U CN205742067U (en) 2016-06-27 2016-06-27 The reservoir structure of limestone basic unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620648582.9U CN205742067U (en) 2016-06-27 2016-06-27 The reservoir structure of limestone basic unit

Publications (1)

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CN205742067U true CN205742067U (en) 2016-11-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106988320A (en) * 2017-04-26 2017-07-28 李德群 Limestone zone discards pit and is transformed into reservoir, the pool, the reclamation method in pond

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106988320A (en) * 2017-04-26 2017-07-28 李德群 Limestone zone discards pit and is transformed into reservoir, the pool, the reclamation method in pond

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20161130

Termination date: 20200627

CF01 Termination of patent right due to non-payment of annual fee