CN207714267U - The protective slope structure of protection against erosion - Google Patents
The protective slope structure of protection against erosion Download PDFInfo
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- CN207714267U CN207714267U CN201820045585.2U CN201820045585U CN207714267U CN 207714267 U CN207714267 U CN 207714267U CN 201820045585 U CN201820045585 U CN 201820045585U CN 207714267 U CN207714267 U CN 207714267U
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- interlock block
- layer
- slope structure
- protective slope
- interlock
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Abstract
The utility model provides a kind of protective slope structure of protection against erosion.The protective slope structure of the protection against erosion includes:Interlock block layer, grid layer, bed course and geosynthetic layer;Wherein, the protective slope structure is equipped with the interlock block layer, the grid layer, the bed course and the geosynthetic layer from top to bottom;The geosynthetic layer is set on slopes base;And the interlock block layer is made of interlock block chain mutually.The protective slope structure can resist heavy rain, waterlogging or flood erosion.
Description
Technical field
The utility model is related to building fields, more particularly to a kind of protective slope structure of protection against erosion, the shield of the utility model
Slope structure can resist heavy rain, waterlogging or flood erosion.
Background technology
Outside the enclosure wall of the buildings such as substation, it is often necessary to which protective slope structure is set, to resist heavy rain, waterlogging and flood
Wash away, protect the safety of bank protection and related building.
It is a kind of referring to protective slope structure as shown in Figure 1, its be hexagon cement block protective slope structure.Hexagon cement block bank protection
Structure generally use following methods are laid with:Slope surface soil flattens, and compacting is thick, upper berth 120-150 thickness granular cushions, setting cushion
After good, it is directly laid with hexagon protective slope structure building block (general requirements 200x150mm), pointed with cement mortar.
Although the simple structure of this cement block protective slope structure, this protective slope structure do not resist the energy of hydrostatic pressing
Power, can not effective protection against erosion.For example, when hexagon cement block protective slope structure outside substation's enclosure wall, heavy rain, waterlogging or
Under flood erosion, easily there is the sliding of brick position, cause protective slope structure base soil to be lost in, further result in greater area of protective slope structure
It destroys, generates chain reaction.
Therefore a kind of new there is an urgent need in the art to exploitation, protective slope structure simple in structure and being capable of effective protection against erosion.
Utility model content
It is simple and be capable of the protective slope structure of effectively protection against erosion that the purpose of this utility model is just to provide a kind of development structure.
The utility model in a first aspect, providing a kind of protective slope structure of protection against erosion, the protective slope structure includes:It is chain
Block layer (9), grid layer (13,14), bed course (10) and geosynthetic layer (11);
Wherein, the protective slope structure is equipped with the interlock block layer (9), the grid layer (13,14), institute from top to bottom
The bed course (10) and the geosynthetic layer (11) stated;
The geosynthetic layer is set on slopes base (12);
And the interlock block layer is made of interlock block chain mutually.
In another preferred example, the bed course is adjacent with the geosynthetic layer;The grid layer and the bed course
It is adjacent;And the interlock block layer is adjacent with the grid layer.
In another preferred example, the thickness of the interlock block layer is 80-300mm.
In another preferred example, the interlock block be equipped with bayonet arrangement, the bayonet arrangement include top bayonet arrangement and
Lower part bayonet arrangement;
Wherein, the top bayonet arrangement and lower part bayonet arrangement are arranged symmetrically, and the top bayonet arrangement packet
It includes:Left sun card is dashed forward (7a), right sun card is dashed forward (7b) and by the prominent and right sun card of the left sun card it is prominent defined by a cloudy bayonet (8);
Wherein, the cloudy bayonet of interlock block be used to accommodate an interlock block adjacent thereto right sun card it is prominent and
The left sun card of another interlock block adjacent thereto is prominent, so that forming interlocking structure between the interlock block.
In another preferred example, it in the interlock block layer, is additionally provided between 2-7mm between the adjacent interlock block
Gap.
In another preferred example, the length of the interlock block is 300-600mm and width is 300-600mm.
In another preferred example, half discharge opening of a left side of the interlock block being additionally provided with positioned at the interlock block left side edge
With half discharge opening of the right side (6) positioned at the interlock block right side edge;
Wherein, half discharge opening of the right side of half discharge opening of left side interlock block adjacent with another of an interlock block constitutes one completely
Discharge opening.
In another preferred example, the grid layer is direction earthwork grille.
In another preferred example, the thickness of the bed course is 50-500mm;And/or the thickness of the geosynthetic layer
≥2.8mm。
In another preferred example, the bed course is sand-rubble sarking of thickness 100-400mm.
In another preferred example, the grid layer is by 300-550g/m2Two-way polypropylene geogrid be laid with.
In another preferred example, the geosynthetic layer is by infiltration coefficient > 10-2And 2.8≤thickness≤5mm
Infiltration geotextile laying forms.
It should be understood that in the scope of the utility model, above-mentioned each technical characteristic of the utility model and below (such as implementation
Example) in specifically describe each technical characteristic between can be combined with each other, to form a new or preferred technical solution.It is limited to
Length, not repeated them here.
Description of the drawings
Fig. 1 shows a kind of cement block protective slope structure schematic diagram in the prior art;Wherein, 1 is hexagonal prefabricated section layer;2 are
Gradated sand-stone cushion;3 be armored concrete anti-flood wall and station area's enclosure wall;4 be lower intercepting ditch;5 be upper intercepting ditch.
Fig. 2 shows the schematic diagram of cement interlock block in the example of the utility model;Wherein, 6 be discharge opening;7a is
The left sun card of top bayonet arrangement is prominent;7b is that the right sun card of top bayonet arrangement is prominent;8 be the cloudy bayonet of top bayonet arrangement.
Fig. 3 shows the cement interlock block protective slope structure schematic diagram in an example of the utility model;Wherein, 9 be company
Closing piece layer;10 be bed course;11 be geosynthetic layer;12 be slopes base;13 and 14 be grid layer.
Fig. 4 shows cement interlock block shield construction technology process schematic diagram in the example of the utility model.
Fig. 5 shows the chain schematic diagram mutually from each other of cement interlock block in the example of the utility model.
Specific implementation mode
The present inventor deeply widely studies, develop for the first time it is a kind of have include interlock block layer, grid layer, bed course with
And a kind of novel protective slope structure and the interlock block with novel structure of geosynthetic layer.Therefore, have excellent
Heavy rain, waterlogging and flood erosion performance are resisted, the soil body under bank protection can be made to not easily run off, and be released effectively hydrostatic pressure,
To improve the stability of slopes, and then ensure building (such as substation) safety of top of the slope.Complete this on this basis
Utility model.
Term
As used herein, term " slopes base " is usually to need to carry out power equipment site or its week of scour protection
The natural slopes enclosed.
As used herein, term " cement interlock block " is used interchangeably with " interlock block ", is referred to and is used to form interlock block layer simultaneously
And the interlock block equipped with bayonet arrangement.
As used herein, term " civil grille " refers to two-dimensional mesh trellis or the 3 D stereo grid screen with certain altitude
Grid, alternatively referred to as TGXG.
As used herein, term " geosynthetics " refers to applied to geotechnical engineering and civil engineering construction, to close
At the general designation that material is various products made of raw material.
Herein, up, down, left and right is relativeness, only for purposes of illustration only, and not restrictive.
Interlock block
In the protective slope structure of the utility model, the interlock block of specific structure is used.
Typically, it as shown in Fig. 2, the interlock block of the utility model uses a kind of special bayonet arrangement, can be formed
Special linkage structure, it is chain mutually with bulk around, and allow to be subjected to displacement between fast material, consume impact energy.
The interlock block of the utility model is further described below in conjunction with the accompanying drawings.
As shown in Fig. 2, the interlock block of the utility model is equipped with bayonet arrangement, the bayonet arrangement includes top bayonet arrangement
With lower part bayonet arrangement;
Wherein, the top bayonet arrangement and lower part bayonet arrangement are arranged symmetrically, and the top bayonet arrangement packet
It includes:Left sun card dash forward 7a, right sun card dash forward 7b and by the prominent and right sun card of the left sun card it is prominent defined by a cloudy bayonet 8;Wherein, one
The cloudy bayonet of a interlock block is used to accommodate prominent and adjacent thereto another of right sun card of an interlock block adjacent thereto
The left sun card of a interlock block is prominent, so that forming interlocking structure between the interlock block.
In a preference, the length of the interlock block is 300-600mm and width is 300-600mm.
In a preference, half discharge opening of a left side of the interlock block being additionally provided with positioned at the interlock block left side edge
With half discharge opening of the right side positioned at the interlock block right side edge;Half discharge opening of left side interlock block adjacent with another of one interlock block
The right side half discharge opening constitute a complete discharge opening.
Fig. 5 mutual linkage relationship schematic diagrames between interlock block, as shown in figure 5, interlock block mutually it is chain in the state of,
Also there are the gaps of 2-7mm between adjacent interlock block.
Protective slope structure
The utility model provides a kind of using cement interlock block protective slope structure.
Typically, the protective slope structure of the utility model belongs to flexible protective slope structure, by special chain between bulk, with
Surrounding bulk is chain mutually, and allows to be subjected to displacement between fast material, consumes impact energy;It is geotechnological lattice under cement interlock block
Grid act as resistance graded broken stone and are not floated by hydrostatic pressure, resist hydrostatic pressure;Geotechnique's synthesis material is laid on natural slopes
Material, by ensureing that the permeable anti-blocking performance of geosynthetics ensures the stabilization of bulk to eliminate water pressure when water disaster
Property, it further protects slope structure and builds thereon, the safety of structures.Therefore, heavy rain, waterlogging and flood can be effective against
It washes away.
The utility model is further described below in conjunction with the accompanying drawings.
In the present invention, the structure type of bank protection from bottom to top be slopes base, geosynthetic layer, bed course,
Grid layer and interlock block layer.
Typically, as shown in figure 3, a kind of protective slope structure of the utility model includes:Interlock block layer 9, grid layer 13 and 14,
Bed course 10 and geosynthetic layer 11, wherein protective slope structure be set to treated natural slopes (slopes base 12) it
On.
In order to further describe the utility model, the present inventor further provides for following technology and requires and the letters such as technical parameter
Breath.However, it should be understood that similar technology requirement or technical parameter may be used in those skilled in the art.
In the present invention, base is not particularly limited.However, it is preferred that base is to need protected site
Natural slopes, such as need to carry out the power equipment site of scour protection or surrounding natural slopes.Before laying, preferably
Various sundries are removed, and the other processes such as compacting can be used and pre-processed.
In the present invention, conventional geosynthetics may be used to be laid with geosynthetic layer.Geotechnique closes
It mainly works under lateral, oblique and positive wave at material layer.Typically, to be determined according to related specifications its soil conservation, thoroughly
Water and anti-blocking performance, such as geosynthetics should generally meet following requirement:
Soil conservation:O95≤nd85, wherein O95For soil body characteristic diameter, n is empirical coefficient.
Water penetration:When good by protection soil body grading, when disregarding block:kg≥ks;Draining causes to destroy, and fluidised form is complicated
When:kg≥10ks;Wherein kg, ks are respectively geotextile and are protected the infiltration coefficient of soil.
Anti-blocking property:When hydraulic gradient low flow regime is stablized:O95≤3d15, wherein d15For soil body characteristic diameter;Hydraulic gradient is high,
Fluidised form complexity is according to osmotic coefficient k s >=10-5When native, gradient ratio≤3, ks≤10-5It is native then need long-term observation experiment.
In the present invention, bed course is not particularly limited.Conventional material can be used to form bed course to be laid with.One
As, the thickness of the bed course of the utility model is not less than 10cm, such as 10-50cm.If stormy waves or the possible larger part of harm, suitably
Thicken the thickness of bed course.In a preferred example, sand-rubble sarking of 10-40cm thickness can be used.
In the present invention, geogrids layer is not particularly limited, conventional grid layer may be used, such as make
With steel plate or other kinds of TGXG.A kind of preferred grid layer is illustrated in figure 3 two-way polypropylene geogrid, including
The TGXG (13 and 14) of vertical and horizontal.In another preferred example, the grid layer is by 300-550g/m2It is two-way poly-
Propylene TGXG is laid with.
In the present invention, interlock block layer is formed using the interlock block with specific structure.Typically, described chain
The thickness of block layer is 80-300mm.
In the present invention, for ginsengs such as the thickness of grid layer, bed course and geosynthetic layer, material, specifications
Number is not particularly limited.However, some preferred parameters are as follows:
In a preference, 10 thickness 50-500mm of the bed course, it is therefore preferable to which 100-400mm, the bed course can be
Sand-rubble sarking.
In a preference, 9 thickness 120-200mm of the interlock block layer.
In another preference, the geosynthetic layer uses geosynthetics, it is preferable that geotechnique's synthesis material
Thickness >=2.8mm of the bed of material, more preferably by infiltration coefficient > 10-2And the infiltration geotextile laying of 2.8≤thickness≤5mm and
At.
In another preference, it is direction earthwork grille that the grid layer 13 and 14, which uses TGXG, the grid layer, can
Selection of land, the grid layer can be steel plate grid, fiberglass grid, polyester fiber warp knit grid etc. (for example, using breadth 4-
The mass area ratio of 6m is 300-550g/m2Two-way polypropylene geogrid).
The utility model additionally provides the method for being laid with the utility model protective slope structure.A kind of typical construction process such as figure
Shown in 4.In addition, in protective slope structure laying construction, it should be according to construction period, hydrometeorological data reasonable arrangement plan;Ying Gen
Necessary observation device is buried according to design requirement.
The major advantage of the utility model includes:
A. the protective slope structure of the utility model is flexible protective slope structure, the equal energy under lateral, oblique and positive wave action
It keeps stablizing;
B. the protective slope structure of the utility model can effectively keep the soil body under it not to be lost in, and prevent wave or flow from rushing
Brush is lower to generate the harm that slope land movement is brought to construction of structures;
C. the protective slope structure of the utility model can ensure that hydrostatic pressure is released effectively, and avoid due to hydraulic pressure under continuous wave
The floating brick for dragging protective slope structure of power;
D. the protective slope structure of the utility model can effectively ensure that the stabilization of body and the structure building safety of top of the slope.
With reference to specific embodiment, the utility model is expanded on further.It should be understood that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model.In the following examples, the experimental methods for specific conditions are not specified, leads to
Often according to normal condition, or according to the normal condition proposed by manufacturer.Unless otherwise stated, otherwise percentage and number are weight
Percentage and parts by weight.
Embodiment 1:
In certain 1000 kv substation new construction, the gradient is delayed in 1:1 bank protection is laid with the shield of the utility model
Slope structure, and tested.
In the present embodiment, using interlock block shown in Fig. 2, protective slope structure shown in Fig. 3.
Specifically, the cement bank protection interlock block that the present embodiment uses, structure is as shown in Fig. 2, its thickness is 200mm, length
It is 400mm for 400mm and width.Wherein, 8 bottom side length 234mm of cloudy bayonet, be open 194mm;The prominent 7a and 7b of sun card protrudes bottom edge
66mm.Half discharge opening 6 of the right side of half discharge opening of left side interlock block adjacent with another of one interlock block constitutes a complete sluicing
Mouthful, complete sluicing port radius is the discharge opening of 25mm.The mutual linkage mode of interlock block is as shown in Figure 5, wherein interlock block
There is the gap of 2-7mm between the edge of bayonet arrangement.
It is laid with using flow shown in Fig. 4, the structure type of the bank protection after laying is as shown in Figure 3.Shown bank protection knot
Structure is slopes base 12, geosynthetic layer 11, sand-rubble sarking 10, geogrids layer 13 and 14 and water from bottom to top
Mud interlock block layer 9.The geosynthetic layer 11 on slopes base 12, the bed course 10 is located immediately at described
On geosynthetic layer 11, the grid layer 13,14 is on the bed course 10 and the interlock block layer 9 is straight
It connects on the grid layer 13 and 14.
In the present embodiment, base 12 is to need to carry out the power equipment site of scour protection or surrounding natural slope
Body;The bed course 11 is sand-rubble sarking of thickness 200mm;9 thickness of interlock block layer is 200mm and by the utility model
Interlock block be laid with;The geosynthetic layer 11 is using infiltration geotextiles, thickness 2.8mm;The grid layer
Using civil grille (as used two-way polypropylene geogrid), mass area ratio 400g/m2(as shown in Figure 3).
As a result
Even if the protective slope structure of the utility model do not occur under heavy rain, waterlogging or flood erosion yet brick position sliding,
It floats, so as to effectively avoid protective slope structure base soil from being lost in, therefore the performance with extremely effective protection against erosion.
It is incorporated herein by reference in all documents that the utility model refers to, just as each document quilt
It is individually recited as reference.In addition, it should also be understood that, after having read the above-mentioned instruction content of the utility model, this field skill
Art personnel can make various changes or modifications the utility model, and such equivalent forms equally fall within the application appended claims
Book limited range.
Claims (10)
1. a kind of protective slope structure of protection against erosion, which is characterized in that the protective slope structure includes:Interlock block layer (9), grid layer (13,
14), bed course (10) and geosynthetic layer (11);
Wherein, the protective slope structure is equipped with the interlock block layer (9), the grid layer (13,14), described from top to bottom
Bed course (10) and the geosynthetic layer (11);
The geosynthetic layer is set on slopes base (12);
And the interlock block layer is made of interlock block chain mutually.
2. protective slope structure as described in claim 1, which is characterized in that the bed course is adjacent with the geosynthetic layer;
The grid layer is adjacent with the bed course;And the interlock block layer is adjacent with the grid layer.
3. protective slope structure as described in claim 1, which is characterized in that the thickness of the interlock block layer is 80-300mm.
4. protective slope structure as described in claim 1, which is characterized in that the interlock block is equipped with bayonet arrangement, the bayonet knot
Structure includes top bayonet arrangement and lower part bayonet arrangement;
Wherein, the top bayonet arrangement and lower part bayonet arrangement are arranged symmetrically, and the top bayonet arrangement includes:It is left
Sun card is dashed forward (7a), right sun card is dashed forward (7b) and by the prominent and right sun card of the left sun card it is prominent defined by a cloudy bayonet (8);
Wherein, the cloudy bayonet of interlock block be used to accommodate an interlock block adjacent thereto right sun card it is prominent and and its
The left sun card of another adjacent interlock block is prominent, so that forming interlocking structure between the interlock block.
5. protective slope structure as described in claim 1, which is characterized in that in the interlock block layer, the adjacent interlock block
Between be additionally provided with the gap of 2-7mm.
6. protective slope structure as described in claim 1, which is characterized in that the length of the interlock block is 300-600mm and width
For 300-600mm.
7. protective slope structure as claimed in claim 4, which is characterized in that the interlock block is additionally provided with positioned at the interlock block
Half discharge opening of a left side of left side edge and half discharge opening of the right side (6) positioned at the interlock block right side edge;
Wherein, half discharge opening of the right side of half discharge opening of left side interlock block adjacent with another of an interlock block constitutes one and completely lets out
The mouth of a river.
8. protective slope structure as described in claim 1, which is characterized in that the grid layer is direction earthwork grille.
9. protective slope structure as described in claim 1, which is characterized in that the thickness of the bed course is 50-500mm;And/or it is described
Thickness >=2.8mm of geosynthetic layer.
10. protective slope structure as described in claim 1, which is characterized in that the bed course is sand-rubble of thickness 100-400mm
Sarking.
Priority Applications (1)
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CN201820045585.2U CN207714267U (en) | 2018-01-11 | 2018-01-11 | The protective slope structure of protection against erosion |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820045585.2U CN207714267U (en) | 2018-01-11 | 2018-01-11 | The protective slope structure of protection against erosion |
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Publication Number | Publication Date |
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CN207714267U true CN207714267U (en) | 2018-08-10 |
Family
ID=63051474
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2018
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