CN107237298B - Karst funnel reservoir and its hyperbolic arch beam slab plugging structure and construction method - Google Patents
Karst funnel reservoir and its hyperbolic arch beam slab plugging structure and construction method Download PDFInfo
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- CN107237298B CN107237298B CN201710608051.6A CN201710608051A CN107237298B CN 107237298 B CN107237298 B CN 107237298B CN 201710608051 A CN201710608051 A CN 201710608051A CN 107237298 B CN107237298 B CN 107237298B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/16—Sealings or joints
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- General Engineering & Computer Science (AREA)
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- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
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- Civil Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a kind of hyperbolic arch beam slab plugging structures, the concrete pedestal of setting in inner wall surrounding one week including the leak paths along Karst funnel, the concrete slab for blocking the leak paths of Karst funnel is equipped in the concrete pedestal, the lower section of the concrete slab is equipped with the beams of concrete for being used to support the concrete slab, the beams of concrete includes crossbeam and stringer, and the both ends of the crossbeam and stringer are arranged on the concrete pedestal；On view direction straight down, the crossbeam and stringer are mutually orthogonal, and the elevation of top surface of the crossbeam and stringer in intersection is equal, and the top surface of the crossbeam and stringer forms the double curvature arch surface grids structure for being used to support the concrete slab.The invention also discloses the construction methods of a kind of Karst funnel reservoir and hyperbolic arch beam slab plugging structure.Karst funnel reservoir and its hyperbolic arch beam slab plugging structure of the invention and construction method can satisfy the requirement for concentrating leak paths block processing Karst funnel.
Description
Technical field
The invention belongs to hydraulic engineering technical fields, specifically seal for a kind of Karst funnel reservoir and its hyperbolic arch beam slab
Bridging structure and construction method.
Background technique
Karst features distribution in China's is wide, area is big, is mainly distributed on carbonate rock bare land, area about 91~1,300,000
Sq-km.Wherein with area shared by Guangxi, Guizhou and Eastern Yunnan maximum, be in the world maximum karst features area it
One.Main karst features area, China is also simultaneously Atmospheric precipitation area abundant, but since earth's surface conditions of water storage is poor, it is more
Number precipitation enters underground karst system by concentrations such as Karst funnels, so that the surface water resources in karst features area is not rich
Richness has many areas even to there are problems that Seasonal Water-Deficit outstanding, seriously affects local economy, social development.
With Chinese society development and Technological Economy progress, needs to build reservoir in karst area and solve local seasonal lack
Water problems.Largest doline or karst funnel has preferable charge for remittance condition in landform, and water quality is good, if by the free drainage of Karst funnel
Channel carries out scientific closure, can form Karst funnel reservoir.Since Karst funnel is the component part of Karst System, block completely
Runoff, the discharge process of karst water may be significantly changed, and then causes new more complicated problem.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of Karst funnel reservoir and its hyperbolic arch beam slab plugging structures
And construction method, it can satisfy the requirement for concentrating leak paths block processing Karst funnel.
In order to achieve the above objectives, the invention provides the following technical scheme:
Present invention firstly provides a kind of hyperbolic arch beam slab plugging structures, including along the leak paths of Karst funnel
Wall rounds the concrete pedestal of setting, and the mixed of the leak paths for blocking Karst funnel is equipped in the concrete pedestal
Concrete board, the lower section of the concrete slab are equipped with the beams of concrete for being used to support the concrete slab, and the beams of concrete includes
The both ends of crossbeam and stringer, the crossbeam and stringer are arranged on the concrete pedestal；
On view direction straight down, the crossbeam and stringer are mutually orthogonal, and the crossbeam and stringer are intersecting
The elevation of top surface at place is equal, and the top surface of the crossbeam and stringer forms the double curvature arch surface grids knot for being used to support the concrete slab
Structure.
Further, the concrete slab includes that upper concrete slab and the lower layer below the upper concrete slab are mixed
Concrete board.
Further, it is equipped with construction joint I in the upper concrete slab and lower-layer concrete plate, is filled out in the construction joint I
It fills and is equipped with sealing material.
Further, the construction joint I of the upper concrete slab is set and the construction of the lower-layer concrete plate is set
Seam I is in shift to install.
Further, the concrete pedestal is equipped with the slot for beams of concrete to be arranged, the both ends of the crossbeam and stringer
It is separately positioned in the slot.
Further, it is equipped with construction joint II between the concrete slab and the concrete pedestal, is filled out in the construction joint II
It fills and is equipped with sealing material.
Further, the beams of concrete is made of armored concrete or prestressed reinforced concrete；The coagulation soil matrix
Seat is made of armored concrete；The concrete slab is made of armored concrete or bituminous concrete.
The invention also provides a kind of Karst funnel reservoirs, including as described above for blocking the leak paths of Karst funnel
Hyperbolic arch beam slab plugging structure, the periphery rock of the Karst funnel in the hyperbolic arch beam slab plugging structure and portion disposed thereon
It is formed between body and is used for water storage and the storage area through antiseepage drain process；The bottom surface of the concrete pedestal and lateral surface are and karst
The periphery rock mass of funnel contacts；Flood releasing structure, the intake structure for water intaking for flood discharge are equipped in the storage area
With the emptying building for being vented storage area；The bottom of the storage area is arranged in the emptying building, and the flood discharge is built
The top that the storage area is arranged in object is built, the middle part of the storage area is arranged in the intake structure.
Further, the water inlet bottom surface elevation of the flood releasing structure is equal to or slightly lower than the ordinary water level of the storage area
Elevation；The water inlet bottom surface elevation of the emptying building is equal to or slightly lower than the level of dead water elevation of the storage area；It is described to take
Aqueduct is connected on water buildings, and the intake elevation of the intake structure is located at the level of dead water of the storage area
Between elevation and ordinary water level elevation.
The invention also provides a kind of construction methods of hyperbolic arch beam slab plugging structure as described above, including walk as follows
It is rapid:
1) it removes or administers Dangerous Rock Body: removing or administer the danger of the hyperbolic arch beam slab plugging structure elevation of top surface or more
Rock mass；
2) concrete pedestal foundation pit is excavated: excavation concrete pedestal foundation pit to design altitude, and remove or administer foundation pit side
Slope unstable rock mass；
3) construction concrete pedestal: concrete pedestal of constructing in the concrete pedestal foundation pit excavated, and pay attention to conserving
Concrete prevents from cracking；
4) construction beams of concrete: construction concrete longitudinal and cross beam pays attention to curing concrete, prevents from cracking；
5) construction lower-layer concrete plate: in the beams of concrete top surface construction lower-layer concrete plate constructed, and pay attention to conserving
Concrete prevents from cracking；
6) it constructs lower layer's sealing: construction joint II between the concrete pedestal constructed and lower-layer concrete plate and under
Sealing material is filled in the construction joint I of layer concrete plate；
7) construction upper concrete slab: in the lower-layer concrete plate top surface construction upper concrete slab constructed, and pay attention to
Curing concrete prevents from cracking；
8) it constructs upper layer sealing: construction joint II between the concrete pedestal and upper concrete slab constructed and upper
Sealing material is filled in the construction joint I of layer concrete plate.
The beneficial effects of the present invention are:
Hyperbolic arch beam slab plugging structure of the invention is used to support concrete by forming the top surface of longitudinal and cross beam
The loads such as library water and silt self weight can be converted into pressure and be transmitted on surrounding rock body, effectively by the double curvature arch surface grids structure of plate
The pulling force that plugging structure is born is reduced, to reduce the project amount of beams of concrete, good economy performance；Especially suitable for blocking large-scale rock
The bottom storehouse of molten funnel reservoir.
By the way that construction joint II is arranged between concrete slab and concrete pedestal, sealing material is filled in construction joint II, not only
Meet antiseepage requirement, the stress for reducing concrete slab is more advantageous to, to reduce the project amount of concrete slab, good economy performance.
By setting concrete slab to the double-layer structure of upper concrete slab and lower-layer concrete plate, and it is arranged on upper layer
The dislocation arrangement of construction joint I in concrete slab and lower-layer concrete plate is not overlapped, so that the barrier performance of plugging structure is more preferable, is made
Use longer life expectancy.
Detailed description of the invention
In order to keep the purpose of the present invention, technical scheme and beneficial effects clearer, the present invention provides following attached drawing and carries out
Illustrate:
Fig. 1 is the structural schematic diagram of Karst funnel reservoir embodiment of the present invention, specifically, flood releasing structure is omitted, takes
Water buildings and emptying building；
Fig. 2 is the transverse cross of Fig. 1；
Fig. 3 is longitudinal cross-section diagram of Fig. 1；
Fig. 4 is the structural schematic diagram of arch beam slab plugging structure；
Fig. 5 is the A-A cross-sectional view of Fig. 4；
Fig. 6 is the structural schematic diagram of concrete pedestal and beams of concrete；
Fig. 7 is the flow chart of concrete slab enrockment plugging structure method of construction.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples, so that those skilled in the art can be with
It better understands the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
As shown in Figure 1, being the structural schematic diagram of Karst funnel reservoir embodiment of the present invention.The Karst funnel water of the present embodiment
Library, the hyperbolic arch beam slab plugging structure 2 including the leak paths for blocking Karst funnel, hyperbolic arch beam slab plugging structure
2 and portion disposed thereon Karst funnel periphery rock mass 1 between formed for water storage and through the storage area of antiseepage drain process 3.Storage
The flood releasing structure for flood discharge, the emptying building for the intake structure of water intaking and for being vented storage area are equipped in pool
Object；The bottom of storage area is arranged in emptying building, and the top of storage area is arranged in flood releasing structure, and intake structure setting exists
The middle part of storage area.The water inlet bottom surface elevation of the flood releasing structure of the present embodiment is equal to or slightly lower than the ordinary water level of storage area
Elevation；The water inlet bottom surface elevation for being vented building is equal to or slightly lower than the level of dead water elevation of storage area；Connect on intake structure
Be equipped with aqueduct, and the intake elevation of intake structure be located at storage area level of dead water elevation and ordinary water level elevation it
Between.
It is logical to block Karst funnel free drainage using hyperbolic arch beam slab plugging structure for the Karst funnel reservoir of the present embodiment
Road, and formed for water storage simultaneously between the periphery rock mass of the Karst funnel in hyperbolic arch beam slab plugging structure and portion disposed thereon
Storage area through antiseepage drain process, so that Karst funnel has the condition that storage surface water forms reservoir；Being vented building can
To be vented reservoir, to overhaul all kinds of buildings of reservoir area；Flood releasing structure can drain extra water in time, to ensure reservoir
Safe operation；Intake structure can be connect with aqueduct, be fetched water for producing, living；In addition, due to Karst funnel periphery
Pollution sources are limited, soil erosion problem is not serious, and therefore, the sediment siltation problem of Karst funnel reservoir does not protrude, Reservoir Water Quality
Also preferably.
The hyperbolic arch beam slab plugging structure of the present embodiment, the inner wall surrounding including the leak paths along Karst funnel one week
The concrete pedestal 4 of setting, the bottom surface of concrete pedestal 4 and lateral surface are contacted with the periphery rock mass 1 of Karst funnel.Concrete
The concrete slab for blocking the leak paths of Karst funnel is equipped in pedestal 4, the lower section of concrete slab is mixed equipped with being used to support
The beams of concrete of concrete board, beams of concrete include crossbeam 5a and stringer 5b, and the both ends of crossbeam 5a and stringer 5b are arranged at coagulation
On soil matrix seat 4.On view direction straight down, crossbeam 5a and stringer 5b are mutually orthogonal, and crossbeam 5a and stringer 5b are in phase
Elevation of top surface at friendship is equal, and the top surface of crossbeam 5a and stringer 5b form the double curvature arch surface grids knot for being used to support concrete slab
Structure, as shown in Figure 6.
Further, concrete slab includes upper concrete slab 6 and the lower-layer concrete plate positioned at 6 lower section of upper concrete slab
7.Construction joint I is equipped in the upper concrete slab 6 and lower-layer concrete plate 7 of the present embodiment, filling is equipped with sealing in construction joint I
Material.And it is in shift to install that the construction joint I of upper concrete slab 6, which is arranged in, and the construction joint I of lower-layer concrete plate 7 is arranged in.
In addition, being equipped with construction joint II between concrete slab and concrete pedestal 4, filling is equipped with sealing material in construction joint II.By
Construction joint II is set between concrete slab and concrete pedestal 4, fills sealing material in construction joint II, not only meets antiseepage requirement,
It is more advantageous to the stress for reducing concrete slab, to reduce the project amount of concrete slab, good economy performance.By the way that concrete slab is set
It is set to the double-layer structure of upper concrete slab 6 and lower-layer concrete plate 7, and is arranged in upper concrete slab and lower-layer concrete plate
The interior dislocation arrangement of construction joint I is not overlapped, so that the barrier performance of plugging structure is more preferable, the service life is longer.
Further, concrete pedestal 4 is equipped with the slot for beams of concrete 5 to be arranged, the both ends point of crossbeam 5a and stringer 5b
It She Zhi not be in slot.It, can be by the both ends of prefabricated crossbeam 5a and stringer 5b when beams of concrete constructs production in prefabrication practice
It is directly installed in slot and realizes positioning；It, can be directly in corresponding two slots when beams of concrete is using cast-in-place method construction production
Between cast-in-place production crossbeam 5a and stringer 5b.Specifically, beams of concrete uses armored concrete or prestressed reinforced concrete system
At the beams of concrete of the present embodiment is made of armored concrete；Concrete pedestal 4 is made of armored concrete；Concrete
Plate is made of armored concrete or bituminous concrete, and the concrete slab of the present embodiment is made of armored concrete.
The hyperbolic arch beam slab plugging structure of the present embodiment is used to support coagulation by forming the top surface of longitudinal and cross beam
The loads such as library water and silt self weight can be converted into pressure and be transmitted on surrounding rock body, had by the double curvature arch surface grids structure of native plate
Effect reduces the pulling force that plugging structure is born, to reduce the project amount of beams of concrete, good economy performance；It is large-scale especially suitable for blocking
The bottom storehouse of Karst funnel reservoir.
The present embodiment also proposed a kind of construction method of hyperbolic arch beam slab plugging structure, include the following steps:
1) it removes or administers Dangerous Rock Body: removing or administer the crag of 2 elevation of top surface of hyperbolic arch beam slab plugging structure or more
Body；
2) concrete pedestal foundation pit is excavated: excavation concrete pedestal foundation pit to design altitude, and remove or administer foundation pit side
Slope unstable rock mass；
3) construction concrete pedestal: concrete pedestal 4 of constructing in the concrete pedestal foundation pit excavated, and pay attention to conserving
Concrete prevents from cracking；
4) construction beams of concrete: construction concrete stringer 5b and crossbeam 5a pays attention to curing concrete, prevents from cracking；
5) construction lower-layer concrete plate: in the beams of concrete top surface construction lower-layer concrete plate 7 constructed, and pay attention to conserving
Concrete prevents from cracking；
6) construct lower layer's sealing: construction joint II between the concrete pedestal 4 constructed and lower-layer concrete plate 7 and
Sealing material is filled in the construction joint I of lower-layer concrete plate；
7) construction upper concrete slab: in the lower-layer concrete plate top surface construction upper concrete slab 6 constructed, and pay attention to
Curing concrete prevents from cracking；
8) construct upper layer sealing: construction joint II between the concrete pedestal 4 constructed and upper concrete slab 6 and
Sealing material is filled in the construction joint I of upper concrete slab.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
It encloses without being limited thereto.Those skilled in the art's made equivalent substitute or transformation on the basis of the present invention, in the present invention
Protection scope within.Protection scope of the present invention is subject to claims.
Claims (7)
1. a kind of hyperbolic arch beam slab plugging structure, it is characterised in that: the inner wall surrounding including the leak paths along Karst funnel
The concrete pedestal of setting in one week, the interior concrete being equipped with for blocking the leak paths of Karst funnel of the concrete pedestal
Plate, the lower section of the concrete slab are equipped with the beams of concrete for being used to support the concrete slab, and the beams of concrete includes crossbeam
And stringer, the both ends of the crossbeam and stringer are arranged on the concrete pedestal；On view direction straight down, institute
It states crossbeam and stringer is mutually orthogonal, and the elevation of top surface of the crossbeam and stringer in intersection is equal, the crossbeam and stringer
Top surface, which is formed, is used to support the double curvature arch surface grids structure of the concrete slab, the concrete slab include upper concrete slab and
It is equipped in lower-layer concrete plate below the upper concrete slab, the upper concrete slab and lower-layer concrete plate
Construction joint I, the interior filling of the construction joint I are equipped with sealing material, and the construction joint I and setting that the upper concrete slab is arranged in exist
The construction joint I of the lower-layer concrete plate is in shift to install.
2. hyperbolic arch beam slab plugging structure according to claim 1, it is characterised in that: the concrete pedestal is equipped with
For being arranged the slot of beams of concrete, the both ends of the crossbeam and stringer are separately positioned in the slot.
3. hyperbolic arch beam slab plugging structure according to claim 1, it is characterised in that: the concrete slab is mixed with described
Construction joint II is equipped between solidifying soil matrix seat, filling is equipped with sealing material in the construction joint II.
4. hyperbolic arch beam slab plugging structure according to claim 1, it is characterised in that: the beams of concrete uses reinforcing bar
Concrete or prestressed reinforced concrete are made；The concrete pedestal is made of armored concrete；The concrete slab is adopted
It is made of armored concrete or bituminous concrete.
5. a kind of Karst funnel reservoir, it is characterised in that: sealed including hyperbolic arch beam slab according to any one of claims 1-4
It is formed between the periphery rock mass of the Karst funnel in bridging structure, the hyperbolic arch beam slab plugging structure and portion disposed thereon for storing up
Water and storage area through antiseepage drain process；The bottom surface of the concrete pedestal and lateral surface connect with the periphery rock mass of Karst funnel
Touching；The flood releasing structure for flood discharge is equipped in the storage area, for the intake structure of water intaking and for being vented storage area
Emptying building；The bottom of the storage area is arranged in the emptying building, and the flood releasing structure is arranged in the storage
The middle part of the storage area is arranged in the top in pool, the intake structure.
6. Karst funnel reservoir according to claim 5, it is characterised in that: the water inlet bottom surface of the flood releasing structure is high
Journey is equal to or slightly lower than the ordinary water level elevation of the storage area；The water inlet bottom surface elevation of the emptying building is equal to or omits
Lower than the level of dead water elevation of the storage area；Aqueduct, and the intake structure are connected on the intake structure
Intake elevation be located between the level of dead water elevation and ordinary water level elevation of the storage area.
7. a kind of construction method of the hyperbolic arch beam slab plugging structure as described in claim any one of 2-5, it is characterised in that: packet
Include following steps:
1) it removes or administers Dangerous Rock Body: removing or administer the crag of the hyperbolic arch beam slab plugging structure elevation of top surface or more
Body；
2) concrete pedestal foundation pit is excavated: excavation concrete pedestal foundation pit to design altitude, and remove or administer excavation slope not
Rock mass stability；
3) construction concrete pedestal: concrete pedestal of constructing in the concrete pedestal foundation pit excavated, and pay attention to conserving coagulation
Soil prevents from cracking；
4) construction beams of concrete: construction concrete longitudinal and cross beam pays attention to curing concrete, prevents from cracking；
5) construction lower-layer concrete plate: in the beams of concrete top surface construction lower-layer concrete plate constructed, and pay attention to conserving coagulation
Soil prevents from cracking；
6) it constructs lower layer's sealing: construction joint II between the concrete pedestal constructed and lower-layer concrete plate and mixed in lower layer
Sealing material is filled in the construction joint I of concrete board；
7) construction upper concrete slab: in the lower-layer concrete plate top surface construction upper concrete slab constructed, and pay attention to conserving
Concrete prevents from cracking；
8) it constructs upper layer sealing: construction joint II between the concrete pedestal and upper concrete slab constructed and mixed on upper layer
Sealing material is filled in the construction joint I of concrete board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710608051.6A CN107237298B (en) | 2017-07-24 | 2017-07-24 | Karst funnel reservoir and its hyperbolic arch beam slab plugging structure and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710608051.6A CN107237298B (en) | 2017-07-24 | 2017-07-24 | Karst funnel reservoir and its hyperbolic arch beam slab plugging structure and construction method |
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| Publication Number | Publication Date |
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| CN107237298A CN107237298A (en) | 2017-10-10 |
| CN107237298B true CN107237298B (en) | 2019-10-18 |
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ID=59988206
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| CN201710608051.6A Active CN107237298B (en) | 2017-07-24 | 2017-07-24 | Karst funnel reservoir and its hyperbolic arch beam slab plugging structure and construction method |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110012A (en) * | 2014-07-28 | 2014-10-22 | 中国电建集团西北勘测设计研究院有限公司 | Low-permeability rock-fill material concrete panel rock-fill dam |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8690485B2 (en) * | 2011-10-18 | 2014-04-08 | Eric W. Smith | Rock bolt sealing system |
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2017
- 2017-07-24 CN CN201710608051.6A patent/CN107237298B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110012A (en) * | 2014-07-28 | 2014-10-22 | 中国电建集团西北勘测设计研究院有限公司 | Low-permeability rock-fill material concrete panel rock-fill dam |
Non-Patent Citations (1)
| Title |
|---|
| "刘家沟面板堆石坝坝体设计与运行期应力变形研究";吴明洋;《中国优秀硕士学位论文全文数据库（电子期刊）》;20160630;刘家沟面板堆石坝坝体设计与运行期应力变形研究，CNKI普通检索，岩溶 and 水库 and 混凝土面板 and 垫层； * |
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Effective date of registration: 20211112 Address after: 257092 building 10, No. 38, Huanghe Road, economic development zone, Dongying City, Shandong Province Patentee after: Dongying University Science Park Development Co., Ltd Address before: 400074 Chongqing Jiaotong University, No. 66 Xuefu Avenue, Nan'an District, Chongqing Patentee before: chongqing jiaotong university |