CN109555133A - A kind of method and structure of slope controlling stability - Google Patents
A kind of method and structure of slope controlling stability Download PDFInfo
- Publication number
- CN109555133A CN109555133A CN201710891926.8A CN201710891926A CN109555133A CN 109555133 A CN109555133 A CN 109555133A CN 201710891926 A CN201710891926 A CN 201710891926A CN 109555133 A CN109555133 A CN 109555133A
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- slope
- foundation pile
- slope surface
- basal layer
- stay
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
- E02D17/202—Securing of slopes or inclines with flexible securing means
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
- E02D17/207—Securing of slopes or inclines with means incorporating sheet piles or piles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/10—Miscellaneous comprising sensor means
Abstract
The invention discloses a kind of method and structure of slope controlling stability, solve the problems, such as that the Method means of slope controlling stability in the prior art are single, its key points of the technical solution are that: this method mainly includes determining side slope risk range, fills crack, plug foundation pile, basal layer is poured, geonet is laid with, builds superficial layer, and top of the slope builds intercepting ditch and slope foot builds gutter；The structure mainly includes the foundation pile being arranged from bottom to top along side slope thickness direction, basal layer, the geonet for surrounding foundation pile, and superficial layer, it further include the intercepting ditch for being set to top of the slope and the gutter for being set to slope foot, intercepting ditch and gutter merge on side slope both sides；The method of another slope controlling stability is provided, the problem of improvement loosely leads to slope instability due to soil property surface is reached, by the structure completed by the above method, reaches the problem of improvement loosely leads to slope instability due to soil property surface.
Description
Technical field
The present invention relates to slope treatment technical fields, more specifically, it relates to a kind of method of slope controlling stability
And structure.
Background technique
Slope stability refers to the degree of stability of side slope rock, soil body under the conditions of certain slope height and slope angle.
The purpose for studying slope stability is to predict time to rupture, scale and the extent of injury of slope instability, thing
Control measure is first taken, geological disaster is mitigated, the design of Artificial Side-slope is made to achieve the purpose that safety, economy.
Chinese invention patent, Publication No. CN106812528A disclose a kind of method of slope controlling stability, skill
The main points of art scheme are, comprising: the position of selection pressure release well, and carry out boring the operation of pressure release well；Installation support is set in pressure release well
It is standby, to be supported to pressure release well；Row pressure equipment is installed, pressure discharge operations are carried out to pressure release well by row pressure equipment.
The above-mentioned prior art mainly by building pressure release well come slope controlling stability, in this wise under pressure can be maintained at
In one reasonable range, to avoid due to caused by subsurface pressure is higher side slope it is unstable, but above-mentioned technical proposal
Means are single, and more due to causing slope instability, and above-mentioned prior art application range is smaller.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of method of slope controlling stability and
Structure, it is desirable to provide the method for another slope controlling stability reaches improvement since soil property surface loosely leads to slope instability
The problem of, by the structure completed by the above method, reach the problem of improvement loosely leads to slope instability due to soil property surface.
To achieve the above object, the present invention provides the following technical scheme that
A kind of method of slope controlling stability, comprising: side slope risk range is determined, to carry out reinforcing controlling to the risk range
Reason；Crack is filled, the soil property ingredient around slope surface is taken to clog as crack of the padding to slope surface；Plug foundation pile, edge
Vertical direction plugs foundation pile to slope surface, and the density that plugs of the foundation pile is that the density of low altitude area position is greater than high hypo position
The density set, the density in the risk range are greater than the risk range with the density of exterior domain；Pour basal layer, the base
Plinth layer is concrete layer, and the thickness of the basal layer is less than the height of the foundation pile；Be laid with geonet, the basal layer not
Geonet is laid on the basal layer when dry；Superficial layer is built, superficial layer is laid on the geonet, the superficial layer
Wrap up the upper end of the foundation pile in lower end；And top of the slope builds intercepting ditch, slope foot builds gutter, and on side slope both sides to institute
It states intercepting ditch and the gutter merges.
By adopting the above technical scheme, by determine side slope risk range, can determine the unstable region in side slope, with into
Row emphasis Reinforcement takes soil property ingredient around slope surface to be filled crack, since soil property and the original soil property of side slope are essentially identical,
After filling in this way, filling soil is more preferable with the conjugation of original soil layer, plugs foundation pile in entire side slope, and wherein low altitude area is due to needing
Bigger pressure and risk range is born to need to carry out emphasis reinforcing, by increasing the density of the foundation pile in the region,
The stability that side slope can be improved is reinforced and is supported to foundation pile by being laid with basal layer, by the way that geonet is arranged, is used for
Basal layer enhancing, basal layer concrete particle are locked in together mutually with grid, form stable face, prevent basal layer from sinking,
Slight crack or landslide；It is further reinforced by superficial layer, the water of top of the slope is ended by intercepting ditch, reduces the water of top of the slope through slope surface
It leaves, slope surface is caused to wash away, the water in intercepting ditch is discharged through gutter.
Further, the determining side slope risk range comprises determining that data collection point, slope surface be arranged 9 collection points, 9
A collection point is distributed in nine grids；Stay-supported type displacement sensor is arranged, in 9 collection points described in 8 of periphery
Data collection point installs stay-supported type displacement sensor respectively, by the drawstring end of each stay-supported type displacement sensor and centre
Data collection point connection；Test data is recorded, records the numerical value of the stay-supported type displacement sensor, and the spacer unit time records
The numerical value of the stay-supported type displacement sensor；The test data is analyzed, determines that the maximum position of deflection is risk range.
By adopting the above technical scheme, pickup area is formed by 9 collection points in nine grids distribution, stay-supported displacement passes
Sensor is distributed in 8 data collection points of periphery, and the collection point at center is all connected with the bracing wire end of each stay-supported type displacement sensor,
By recording the change of bracing wire length, by analyzing test data, determine that the big direction of deformation quantity is risk range.
Further, the distribution of the nine grids includes: that the middle row of the nine grids is located at the middle part of slope surface；Described nine
Two rows up and down of palace lattice are selected respectively at the slope surface of middle part above and below steepest of the slope surface；The middle column of the nine grids
The middle part of the slope surface is set；The middle part of left slope surface is arranged in the left column of the nine grids, and right column are arranged in right slope surface
Portion.
By adopting the above technical scheme, rule of thumb judge that above-mentioned abrupt slope for danger zone, and collection point is distributed biggish
In range, the case where improving the accuracy of data result, data result enable more comprehensively to react entire side slope.
Further, the determining side slope risk range further include: the determining secretary collection point and the arrangement stay-supported
Carry out installation sensor installation seat between displacement sensor, the sensor installation seat is to be process in advance or scene passes through
Cement etc. is built.
By adopting the above technical scheme, by the way that sensor installation seat is arranged in collection point, make stay-supported working sensor state
It is more stable, improve the reliability of data.
Further, it carries out eliminating slope surface depression between foundation pile in the filling crack and described plug, take around slope surface
Soil property ingredient slope surface depression is filled as padding, restore slope leveling.
By adopting the above technical scheme, by taking soil property ingredient around slope surface to be filled, due to soil property and side slope primitive soil
Matter is essentially identical, and after filling in this way, filling soil is more preferable with the conjugation of original soil layer, and slope surface restores smooth and more steady after filling
It is fixed.
Further, the superficial layer is built as the flight for being classified water blocking, the flight by several ladder blocks according to
Secondary to be arranged in from top to bottom, two cascaded surfaces of the ladder block tilt upward.
By adopting the above technical scheme, the ladder block tool for the flight built is and whole there are two inclined cascaded surface upward
The ladder block of a flight is arranged successively from top to bottom, by ladder block-grading water blocking, has been decomposed the water flow of entire slope surface, has been made slope
Water flow on face is more uniform.
Further, when building the flight, closed drain, the closed drain connection two are built in the flight
A cascaded surface.
By adopting the above technical scheme, by building closed drain, water flow not only can be along ladder block bottom horizontal flow sheet, but also can pass through row
Water hidden pipe flows to junior's ladder block, accelerates drainage speed, shortens the time that water is deposited on ladder block, improves ladder block
Service life.
It is a kind of for improving the structure of slope stability, including be arranged from bottom to top along side slope thickness direction foundation pile,
Surround the basal layer, geonet and superficial layer of the foundation pile；It further include being set to the intercepting ditch of top of the slope and being set to slope foot
Gutter, the intercepting ditch and the gutter merge on the side slope both sides, and the height of the foundation pile is higher than the base
The thickness of plinth layer.
By adopting the above technical scheme, which realizes side slope by the cooperation of foundation pile, basal layer and geonet
Reinforcement further strengthens side slope by superficial layer, intercepting water and draining by intercepting ditch and gutter, reduce by
The water of the slope surface of side slope improves the stability of side slope.
Further, the superficial layer is flight for being classified water blocking, the flight by several ladder blocks successively from
It is arranged under above, two cascaded surfaces of the ladder block tilt upward.
By adopting the above technical scheme, the ladder block tool for the flight built is and whole there are two inclined cascaded surface upward
The ladder block of a flight is arranged successively from top to bottom, by ladder block-grading water blocking, has been decomposed the water flow of entire slope surface, has been made slope
Water flow on face is more uniform.
Further, the closed drain of two cascaded surfaces of connection is provided in the ladder block.
By adopting the above technical scheme, by building closed drain, water flow not only can be along ladder block bottom horizontal flow sheet, but also can pass through row
Water hidden pipe flows to junior's ladder block, accelerates drainage speed, shortens the time that water is deposited on ladder block, improves ladder block
Service life.
In conclusion the invention has the following advantages:
1, by determining side slope risk range, the unstable region in side slope can be determined, to carry out emphasis Reinforcement；
2, foundation pile is plugged in entire side slope, wherein low altitude area is needed due to needing to bear bigger pressure and risk range
It carries out emphasis reinforcing and the stability of side slope can be improved by increasing the density of the foundation pile in the region；
3, by setting geonet, enhance for basal layer, basal layer concrete particle is locked in together mutually with grid, is formed
Stable face prevents sagging basal layer, slight crack or landslide；
4, pickup area is formed by 9 collection points in nine grids distribution, stay-supported type displacement sensor is distributed in 8 of periphery
Data collection point, the collection point at center are all connected with the bracing wire end of each stay-supported type displacement sensor, pass through record bracing wire length
Change, by analyzing test data, determine that the big direction of deformation quantity is risk range, this method is easy to operate, data
Reliably.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description briefly to introduce, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is that the deflection of the slope surface of side slope of the present invention measures the schematic diagram of step；
Fig. 2 is the present invention for improving the structural schematic diagram of slope stability structure.
Appended drawing reference: 100, collection point；101, foundation pile；102, basal layer；103, geonet；104, superficial layer；105,
Closed drain；110, slope；111, grid；112, intercepting ditch；113, gutter.
Specific embodiment
It elaborates with reference to the accompanying drawing to technical solution of the present invention.
A kind of method of slope controlling stability, referring to Fig. 1 and Fig. 2, comprising:
The deflection of the slope surface of side slope measures, the sedimentation including side slope key point, the measurement of soil body deep deformation, main
Want the following steps are included:
It determines data collection point 100: 9 collection points 100 of collection point 100,9 being set in slope surface and are distributed in nine grids；Nine grids
Middle row be located at the middle part of slope surface, at the slope surface of upper and lower two rows selection middle part above and below steepest；The centre of nine grids
The middle part of entire slope surface is arranged in column, and the middle part of left slope surface is arranged in left column, right to arrange the middle part that right slope surface is arranged in；
Sensor installation seat is installed: sensor installation seat being installed in above-mentioned 9 collection points 100, sensor installation seat, which uses, to shift to an earlier date
It is process, or, sensor installation seat is built by cement etc. in scene；
It arranges stay-supported type displacement sensor: dividing in the mounting base of 8 data collection points 100 of 100 periphery of above-mentioned 9 collection points
Not An Zhuan stay-supported type displacement sensor, by the drawstring end of each stay-supported type displacement sensor and intermediate data collection point 100
Mounting base connection；
Record test data: the numerical value of stay-supported type displacement sensor is recorded, and the spacer unit time records stay-supported displacement sensing
The numerical value of device；
Analysis test data: analyzing above-mentioned test data, find the big position of deflection, be determined as risk range, needs
Want keypoint treatment；Specific analytical procedure includes: to calculate side slope unit time deflection and calculating side slope unit time inclination angle
Degree variation.
The method of slope controlling stability, further includes:
Filling crack: the soil property ingredient around slope surface is taken to clog as crack of the padding to slope surface；
It eliminates slope surface depression: the soil property ingredient around slope surface being taken to be filled as padding to slope surface depression, it is flat to restore slope surface
It is whole；
It plugs foundation pile 101: plugging foundation pile 101 along the vertical direction in entire side slope, the foundation pile 101 is for reinforcing bar or by gold
Belong to material to be made, the Density Distribution of the foundation pile 101 plugged is that the density at low altitude area is greater than the density at High aititude；By upper
State the density that the density in the risk range region that step determines is greater than all side regions；
Basal layer 102 is poured, basal layer 102 is poured above slope surface, basal layer 102 is concrete layer, the basal layer 102 package
Above-mentioned foundation pile 101, and the thickness of basal layer 101 is less than the height of foundation pile 101；
It is laid with geonet 103: enhancing for basal layer 102, be laid with geonet on basal layer 102 when basal layer 102 is not dry
103,102 concrete particle of basal layer is locked in together mutually with grid, forms stable face, prevents basal layer 102 from sinking, splitting
Trace or landslide；
Build superficial layer 104: superficial layer 104 builds stair-stepping table for being classified water blocking for flight on geonet 103
Surface layer 104, specifically, the upper end of the lower part package foundation pile 101 of superficial layer 104, the upper end of superficial layer 104 be it is stepped,
Flight is successively arranged in from top to bottom by several ladder blocks, and two cascaded surfaces of the ladder block tilt upward, ladder block
The closed drain 105 of two cascaded surfaces of interior setting connection；
Top of the slope is reinforced: being cut and is pushed up and build slope 110 to slow down ratio of slope, sets gradually grid 111 in top of the slope slope 110 and combine kind
Grass planting wood is to consolidate top of the slope；
Top of the slope plane builds intercepting ditch 112, and slope foot builds gutter 113, and on side slope both sides to intercepting ditch 112 and gutter
113 merge, and intercepting ditch 112 is located at 110 upper end of slope.
A kind of structure for being used to improve slope stability built by the above method, referring to fig. 2, including along side slope thickness side
To basal layer 102, geonet 103 and the superficial layer 104 of the foundation pile 101, encirclement foundation pile 101 that are arranged from bottom to top, base
The height of plinth stake 101 is higher than the thickness of basal layer 102；
The foundation pile 101 is reinforcing bar, and is inserted in side slope along the vertical direction, and the foundation pile 101 is along side slope uneven distribution, specifically
, the density at low altitude area is greater than the density at High aititude, and the density in risk range region determined by above-mentioned steps is greater than
The density of all side regions.
It further include the intercepting ditch 112 for being set to top of the slope and the gutter 113 for being set to slope foot, intercepting ditch 112 and gutter
113 merge on side slope both sides.
Wherein, superficial layer 104 is the flight for being classified water blocking, and flight is successively arranged from top to bottom by several ladder blocks
It arranges into, two cascaded surfaces of ladder block tilt upward.
The closed drain 105 of two cascaded surfaces of connection is provided in ladder block.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of method of slope controlling stability characterized by comprising
Side slope risk range is determined, to carry out reinforcement improvement to the risk range；
Crack is filled, the soil property ingredient around slope surface is taken to clog as crack of the padding to slope surface；
Foundation pile (101) are plugged, slope surface is plugged foundation pile (101) along the vertical direction, the foundation pile (101) plugs density
For the density of low altitude area position is greater than the density of high hypo position, and the density in the risk range is greater than the risk range
With the density of exterior domain；
It pours basal layer (102), the basal layer (102) is concrete layer, and the thickness of the basal layer (102) is less than the base
The height of plinth stake (101)；
It is laid with geonet (103), is laid with geonet on the basal layer (102) when the basal layer (102) is not dry
(103)；
Superficial layer (104) are built, are laid with superficial layer (104) on the geonet (103), the lower end of the superficial layer (104)
Wrap up the upper end of the foundation pile (101)；
And top of the slope is built intercepting ditch (112), slope foot is built gutter (113), and on side slope both sides to the intercepting ditch
(112) it is merged with the gutter (113).
2. a kind of method of slope controlling stability according to claim 1, which is characterized in that the determining side slope is dangerous
Range includes:
It determines data collection point (100), 9 collection points (100) is set in slope surface, 9 collection points (100) are in nine grids point
Cloth；
Arrange stay-supported type displacement sensor, 8 data collection points (100) of periphery point in 9 collection points (100)
Not An Zhuan stay-supported type displacement sensor, by the drawstring end of each stay-supported type displacement sensor and intermediate data collection point
(100) it connects；
Test data is recorded, records the numerical value of the stay-supported type displacement sensor, and the spacer unit time records the stay-supported
The numerical value of displacement sensor；
The test data is analyzed, determines that the maximum position of deflection is risk range.
3. a kind of method of slope controlling stability according to claim 2, which is characterized in that the distribution of the nine grids
Include:
The middle row of the nine grids is located at the middle part of slope surface；
Two rows up and down of the nine grids are selected respectively at the slope surface of middle part above and below steepest of the slope surface；
The middle part of the slope surface is arranged in the middle column of the nine grids；
The middle part of left slope surface is arranged in the left column of the nine grids, right to arrange the middle part that right slope surface is arranged in.
4. a kind of method of slope controlling stability according to claim 2, which is characterized in that the determining side slope is dangerous
Range further include:
Installation sensor installation is carried out between the determining secretary collection point (100) and the arrangement stay-supported type displacement sensor
Seat, the sensor installation seat are to be process in advance, or scene is built by cement etc..
5. a kind of method of slope controlling stability according to claim 1, which is characterized in that in the filling crack and
Described plug carries out eliminating slope surface depression between foundation pile (101), takes the soil property ingredient around slope surface as padding to slope surface
Depression is filled, and restores slope leveling.
6. a kind of method of slope controlling stability according to claim 1, which is characterized in that the superficial layer (104)
It builds as the flight for being classified water blocking, the flight is successively arranged in from top to bottom by several ladder blocks, the ladder
Two cascaded surfaces of block tilt upward.
7. a kind of method of slope controlling stability according to claim 6, which is characterized in that build the flight
When, it is built in the flight closed drain (105), the closed drain (105) is connected to two cascaded surfaces.
8. a kind of for improving the structure of slope stability, which is characterized in that including being arranged from bottom to top along side slope thickness direction
Foundation pile (101), surround basal layer (102), geonet (103) and the superficial layer (104) of the foundation pile (101)；Also
Including being set to the intercepting ditch (112) of top of the slope and being set to the gutter (113) of slope foot, the intercepting ditch (112) and the row
Ditch (113) merges on the side slope both sides, and the height of the foundation pile (101) is higher than the thickness of the basal layer (102).
9. according to claim 8 a kind of for improving the structure of slope stability, which is characterized in that the superficial layer
It (104) is the flight for being classified water blocking, the flight is successively arranged in from top to bottom by several ladder blocks, the ladder
Two cascaded surfaces of block tilt upward.
10. according to claim 9 a kind of for improving the structure of slope stability, which is characterized in that the ladder block
Inside it is provided with the closed drain (105) of two cascaded surfaces of connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710891926.8A CN109555133B (en) | 2017-09-27 | 2017-09-27 | Method and structure for governing slope stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710891926.8A CN109555133B (en) | 2017-09-27 | 2017-09-27 | Method and structure for governing slope stability |
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| Publication Number | Publication Date |
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| CN109555133A true CN109555133A (en) | 2019-04-02 |
| CN109555133B CN109555133B (en) | 2020-09-15 |
Family
ID=65864112
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| Application Number | Title | Priority Date | Filing Date |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397047A (en) * | 2019-06-25 | 2019-11-01 | 湖南工业大学 | Side slope protection stake and its slope monitoring and guard system |
| CN111894013A (en) * | 2020-07-27 | 2020-11-06 | 宁波市天莱园林建设工程有限公司 | Ecological restoration method for side slope of damaged mountain |
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| CN203654303U (en) * | 2013-12-18 | 2014-06-18 | 中国矿业大学(北京) | Side slope reinforcing structure |
| CN205348102U (en) * | 2016-01-13 | 2016-06-29 | 王继勇 | Grid surrounds and has slope protection structure of drain pipe |
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| JP2003239291A (en) * | 2002-02-18 | 2003-08-27 | Daiwa Kogyo Kk | Greening method for porous material layer in slope stability work |
| CN103410140A (en) * | 2013-06-21 | 2013-11-27 | 赵平 | Autoignition coal gangue flow slope extinguishment and steadiness comprehensive treatment technology |
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| CN111894013A (en) * | 2020-07-27 | 2020-11-06 | 宁波市天莱园林建设工程有限公司 | Ecological restoration method for side slope of damaged mountain |
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| Publication number | Publication date |
|---|---|
| CN109555133B (en) | 2020-09-15 |
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