CN206768838U - A kind of Protection of Expansive Soil structure - Google Patents
A kind of Protection of Expansive Soil structure Download PDFInfo
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- CN206768838U CN206768838U CN201720292060.4U CN201720292060U CN206768838U CN 206768838 U CN206768838 U CN 206768838U CN 201720292060 U CN201720292060 U CN 201720292060U CN 206768838 U CN206768838 U CN 206768838U
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Abstract
The utility model discloses a kind of Protection of Expansive Soil structure, including side slope matrix, protection layer unit and backfill swelled ground；The protection layer unit is made up of lime crushed stone soil layer and expansion soil layer；The side slope matrix is made up of the domatic and multiple horizontally disposed matrix platform of multiple matrixes, multiple protection layer units are equipped with described matrix platform, described matrix platform is flush with corresponding expansion soil layer, alternately multiple lime crushed stone soil layers of laying and the domatic of multiple expansion soil layers formation are that ladder is domatic, covered with backfill swelled ground on ladder is domatic, backfills and be equipped with green layer on domatic.The utility model make use of lime stone and swelled ground to react the characteristic of the degrees of expansion that can reduce swelled ground, the simple hierarchic structure being arranged alternately using lime gravelly soil and swelled ground, effectively reduce the degrees of expansion of swelled ground, improve the intensity of expansive soil slope, the structural stability of expansive soil slope is also improved simultaneously, economy is high, easily construction.
Description
Technical field
The utility model belongs to Protection of Expansive Soil technical field, more particularly to a kind of expansion using lime gravelly soil
Native slope protection structure.
Background technology
With the construction energetically of state-owned railroads highway, the complicated place of physical features, need to set side slope often to reduce to handing over
Logical damage, swelled ground are a kind of common special soils in China, and volumetric expansion can be occurred by meeting water due to swelled ground, and dehydration can receive
Contracting, so during multiple rainfall the soil body can, which loosen, easily produces landslide, for land slide of swelled ground, common side slope is prevented
Protection structure has Anchored frame beam, friction pile, retaining wall, grass planting etc., but often lays complex procedures, and cost is high, and effect is poor.Mesh
It is preceding research lime mix with swelled ground reduce swelled ground degrees of expansion tentatively maturation, lack one kind go out from practice of construction
Hair, simple in construction, economy is high, and stability is high, the good simple soil body safeguard structure of protection effect.
Utility model content
Technical problem to be solved in the utility model is to be directed to above-mentioned deficiency of the prior art, there is provided one kind expansion
Native slope protection structure, the characteristic for the degrees of expansion that can reduce swelled ground that reacted it makes use of lime and swelled ground are single
The pure hierarchic structure being arranged alternately using lime gravelly soil and swelled ground, is effectively reduced the degrees of expansion of swelled ground, improved
The intensity of expansive soil slope, while the structural stability of expansive soil slope is also improved, and green layer is covered, reduce rainfall opposite side
Slope is washed away.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of Protection of Expansive Soil structure,
It is characterized in that：Side slope matrix including hierarchic structure, be horizontally set on successively from bottom to up side slope matrix it is domatic on it is multiple
Protection layer unit and be covered in it is multiple protection layer units composition it is domatic on backfill swelled ground；The protection layer unit is spread by level
If lime crushed stone soil layer and the horizontal expansion soil layer being laid in lime crushed stone soil layer form；The side slope matrix is by multiple bases
The domatic and multiple horizontally disposed matrix platform of body is formed, and multiple protection layer units, the base are equipped with described matrix platform
The upper surface of highest expansion soil layer is flush on the body platform matrix platform adjacent with lower section, and alternately multiple lime of laying are broken
Stone soil layer forms domatic domatic for ladder with multiple expansion soil layers, and it is upper covered with backfilling swelled ground, the backfill that ladder is domatic
Green layer is equipped with the backfill of swelled ground is domatic.
A kind of above-mentioned Protection of Expansive Soil structure, it is characterised in that：The lime crushed stone soil layer and expansion soil layer
Thickness ratio is 1.
A kind of above-mentioned Protection of Expansive Soil structure, it is characterised in that：The lime crushed stone soil layer is by lime and rubble
Soil mixes, and the mass ratio of lime and gravelly soil is less than 1：10.
A kind of above-mentioned Protection of Expansive Soil structure, it is characterised in that：Lime and rubble in the lime crushed stone soil layer
The mass ratio of soil is 1：19.
A kind of above-mentioned Protection of Expansive Soil structure, it is characterised in that：The domatic gradient of the ladder is 3/4~4/3.
A kind of above-mentioned Protection of Expansive Soil structure, it is characterised in that：The domatic gradient of the ladder is 1/1.
A kind of above-mentioned Protection of Expansive Soil structure, it is characterised in that：The domatic gradient of described matrix is 1/1~2/1.
A kind of above-mentioned Protection of Expansive Soil structure, it is characterised in that：The domatic gradient of described matrix is 4/3.
A kind of above-mentioned Protection of Expansive Soil structure, it is characterised in that：The width of multiple described matrix platforms is equal.
A kind of above-mentioned Protection of Expansive Soil structure, it is characterised in that：Height between two neighboring described matrix platform
Spend equal.
The utility model has advantages below compared with prior art：
1st, the utility model is by setting lime crushed stone soil layer, and during reinforcing side slope, precipitation permeates with landing surface,
Lime stone reacts with swelled ground, substantially reduces the degrees of expansion of swelled ground, so as to reach the stability for improving expansive soil slope.
2nd, the utility model effectively prevent lime crushed stone soil layer and expand soil layer by setting step-shaped slope matrix
Landslide, the stability of side slope is improved from structure.
3rd, the utility model can effectively reduce external environment condition pair by setting backfill swelled ground in right angle stepped surfaces
The damage of lime crushed stone soil layer, the service life of lime crushed stone soil layer is added, and backfills and be provided with green layer on swelled ground,
With certain landscaping effect.
In summary, the utility model, which make use of lime to be reacted with swelled ground, can reduce the degrees of expansion of swelled ground
Characteristic, the simple hierarchic structure being arranged alternately using lime gravelly soil and swelled ground, effectively reduce the expansion journey of swelled ground
Degree, improves the intensity of expansive soil slope, while also improve the structural stability of expansive soil slope.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Description of reference numerals:
1-side slope matrix；1-1-matrix is domatic；1-2-matrix platform；
2-lime crushed stone soil layer；3-expansion soil layer；4-backfill swelled ground；
4-1-backfill is domatic；5-green layer；6-ladder is domatic.
Embodiment
As shown in figure 1, the utility model includes the side slope matrix 1 of hierarchic structure, is horizontally set on side successively from bottom to up
Multiple protection layer units on slope matrix 1 is domatic and be covered in multiple protection layer units compositions it is domatic on backfill swelled ground 4；
Lime crushed stone soil layer 2 and the horizontal expansion soil layer 3 that is laid on lime crushed stone soil layer 2 in of the protection layer unit by level laying
Form；The side slope matrix 1 is made up of the domatic 1-1 of multiple matrixes and multiple horizontally disposed matrix platform 1-2, and described matrix is put down
It is equipped with multiple protection layer units on platform 1-2, highest on matrix platform 1-2 adjacent with lower section described matrix platform 1-2
The upper surface of expansion soil layer 3 is flush, and alternately multiple lime crushed stone soil layers 2 of laying are formed domatic with multiple expansion soil layers 3
For ladder domatic 6, covered with backfill swelled ground 4 on ladder domatic 6, it is equipped with the domatic 4-1 of backfill of the backfill swelled ground 4
Green layer 5.
The lime gravelly soil is the mixture of lime and gravelly soil, and gravelly soil is the mixture of rubble and soil, this implementation
In example, the quantity that lime crushed stone soil layer 2 is set has 6 layers, and the quantity that expansion soil layer 3 is set has 6 layers, lime crushed stone soil layer 2 and swollen
Swollen soil layer 3 is arranged at intervals, and lime crushed stone soil layer 2 is expanding the lower section of soil layer 3, when rainfall, rain drop erosion expansion soil layer 3,
The clay mineral expanded in soil layer 3 is brought into lime crushed stone soil layer 2 and reacted with lime, greatly reduces expansion soil layer
3 degrees of expansion, reduce swelled ground crack caused by water swelling dehydration shrinkage and expand, in lime crushed stone soil layer 2
Rubble for swelled ground enter gap is provided so that swelled ground and lime can fully react, and can improve swelled ground
The shock strength of side slope, so as to improve the stability of expansive soil slope.Spaced lime crushed stone soil layer 2 and expansion soil layer 3
The total amount of lime is more saved with swelled ground than directly mixing lime gravelly soil, and effect can also be reached, while is also reduced
Construction intensity, shortens the engineering time.
The side slope matrix 1 is provided with the domatic 1-1 of multiple matrixes and multiple matrix platform 1-2, in the present embodiment, side slope base
Body 1 is provided with the domatic 1-1 and 3 matrix platform 1-2 of 3 matrixes, and the domatic 1-1 of described matrix and matrix platform 1-2 are rammed earth
Face, the domatic 1-1 of matrix can effectively guide infiltration direction, and described matrix platform 1-2 is horizontally disposed with, it is therefore intended that can be supported
Horizontally disposed lime crushed stone soil layer 2 and expansion soil layer 3, enhancing side slope matrix 1 and lime crushed stone soil layer 2 and expand soil layer 3 it
Between bonding strength, reduce lime crushed stone soil layer 2 and expansion soil layer 3 produce the possibility on landslide, enhancing structure intensity, improve
The usage time of protection, every single order of the side slope matrix 1 are equipped with two protection layer units, ensure each expansion soil layer 3
There is corresponding lime crushed stone soil layer 2 to neutralize, because the length difference of the protection layer unit on two adjacent ranks is more, to avoid
The excess of lime crushed stone soil layer 2, so the protection layer unit of every single order top of side slope matrix 1 must be complete, per single order most
Top is expansion soil layer 3, and what is be in contact per single order least significant end with matrix platform 1-2 is lime crushed stone soil layer 2, and per single order most
The upper surface of expansion soil layer 3 on top flushes with the matrix platform 1-2 of upper single order, ensures to ensure neutralized system in units of rank
Integrality, also allow for worker's construction.It should be noted that the single order of the side slope matrix 1 of hierarchic structure is by the domatic 1-1 of matrix and institute
The matrix platform 1-2 that the domatic 1-1 bottoms of matrix are connected is stated to form.
Because lime crushed stone soil layer 2 and expansion soil layer 3 are laid successively from the bottom up, it is arranged to ramp structure, increase is stable
Property, lime crushed stone soil layer 2 and expansion soil layer 3 end are complete in the utility model, so as to form ladder domatic 6, and this reality
Apply the distance and lime gravelly soil of the end of lime crushed stone soil layer 2 of same protection layer unit and upper strata expansion soil layer 3 end in example
The distance of expansion soil layer 3 end of the protection layer unit adjacent with lower section of layer 2 is equal, is easy to worker to construct, alternately laying is multiple
Lime crushed stone soil layer 2 is ladder domatic 6 with multiple the domatic of expansion soil layers 3 formation, and ladder domatic 6 is the He of lime crushed stone soil layer 2
Expand soil layer 3 and backfill the contact surface between swelled ground 4, add lime crushed stone soil layer 2 and expansion soil layer 3 and backfill swelled ground
Structural strength between 4, avoid the landslide of backfill swelled ground 4 and come off.
Backfill swelled ground 4 is covered on the ladder domatic 6, and forms the domatic 4-1 of backfill, the domatic 4-1 roots of backfill
The factually border engineering demand adjustment gradient, backfill swelled ground 4 after setting completed, are laid green layer on the backfill is domatic, strengthened
The intensity of swelled ground 4 is backfilled, reduces the possibility on its landslide, while there is certain aesthetic and air purification effect.
In the present embodiment, the thickness ratio of the lime crushed stone soil layer 2 and expansion soil layer 3 is 1：1.
In the present embodiment, the lime crushed stone soil layer 2 is mixed by lime and gravelly soil, and the matter of lime and gravelly soil
Amount is than being less than 1：9.
In the present embodiment, the mass ratio of lime and gravelly soil is 1 in the lime crushed stone soil layer 2：19.
In the present embodiment, adjusted by adjusting the thickness of lime crushed stone soil layer 2 and the ratio of lime in lime crushed stone soil layer 2
Whole lime content, lime have certain harmfulness to soil property and vegetation for alkalescence, and appropriate lime can play the purpose of reinforcing
Also can prevent from deteriorating soil property, the safe ratio of lime and gravelly soil is less than 1 in the lime crushed stone soil layer 2：9, so this implementation
In example, it is preferred that in order to simplify arrangement and method for construction, convenient construction, use lime crushed stone soil layer 2 with expand the thickness ratio of soil layer 3 for
1：1, the mass ratio of lime and gravelly soil is 1 in the lime crushed stone soil layer 2：19, wherein lime：Soil：The mass ratio of rubble is
5：15：80, the lime in lime crushed stone soil layer 2 is according to lime：Soil：The mass ratio of rubble is 5：15：80 ratio allotment,
The equal lime crushed stone soil layer 2 of thickness can just be reacted with expansion soil layer 3.
In the present embodiment, the gradient of the ladder domatic 6 is 3/4~4/3.
In the present embodiment, the gradient of the ladder domatic 6 is 1/1.
The effect of the ladder domatic 6 is backfill swelled ground 4 and lime crushed stone soil layer 2 and expansion soil layer 3 being fastened on
Together, the domatic 6 pairs of backfills swelled ground 4 of ladder is supported, and backfill swelled ground 4 is formed to lime crushed stone soil layer 2 and expansion soil layer 3
Protection, the gradient of ladder domatic 6 determine the structural stability of backfill swelled ground 4, and the gradient of ladder domatic 6 is excessive, then backfills swollen
Swollen native 4 vertical force component is big, and easy to fall off domatic to ladder 6 cause damage, and the gradient of ladder domatic 6 is too small, then can cause to cover swollen
Swollen native 4 thickness increase, the volume increase of backfill swelled ground 4, the bulking effect of swelled ground can also aggravate, be unfavorable for side slope and prevent
Shield, the Safety Slope of the ladder domatic 6 is 3/4~4/3, and in the utility model, the gradient of ladder domatic 6 is 1/1, Ke Yiyou
Effect avoids backfilling coming off and coming down for swelled ground 4.
In the present embodiment, the domatic 1-1 of the described matrix gradient is 1/1~2/1.Preferably, the domatic 1-1 of described matrix slope
Spend for 4/3.
The domatic 1-1 of the described matrix gradient mainly determines the channeling direction of infiltration, if the domatic 1-1 of the matrix gradient is excessive,
Seep water too fast, swelled ground is difficult to reaction completely with lime and just flows to lower floor, causes protection effect poor, or even can form cavity and water
Soil is lost in, if the domatic 1-1 of the matrix gradient is too small, seepage velocity is excessively slow, and the protection layer unit of lower floor can not react, and reduces protection
Scope, engineering is caused to waste, multiple domatic 1-1 of described matrix Safety Slope is 1/1~2/1.Preferably, base in the present embodiment
The domatic 1-1 of the body gradient uses 4/3, it is ensured that lime crushed stone soil layer 2 is fully reacted with expansion soil layer 3, and can be guided and be oozed
Water flows gradually downward, continues the lime crushed stone soil layer 2 and expansion soil layer 3 of mixing lower section, makes the bottom of side slope can also be had
Effect is reinforced.
In the present embodiment, multiple described matrix platform 1-2 width is equal.
In the present embodiment, the height between two neighboring described matrix platform 1-2 is equal.
Multiple described matrix platform 1-2 width is equal, it is ensured that the length of the protection layer unit on adjacent two rank
Difference is constant, and the height between two neighboring described matrix platform 1-2 is equal, it is ensured that the protection layer unit on per single order
Number is identical, is advantageous to simplify construction.
The utility model is in use, first excavation slope and is excavated to the position of the bottom of side slope matrix 1 on side slope matrix 1
The domatic 1-1 of matrix that the gradient is fixed, when the domatic 1-1 of matrix is excavated to the height of setting, matrix is opened up on the domatic 1-1 of matrix
Platform 1-2, multiple domatic 1-1 of the matrix gradient and highly equal, the width of multiple matrix platforms is equal, to excavating during excavation
The domatic 1-1 of matrix and matrix platform 1-2 of side slope matrix 1 tamped, excavate while tamp, excavate and tamp completion
Afterwards, then start to lay lime crushed stone soil layer 2 and expansion soil layer 3, laid since the bottom of side slope matrix 1, first lay one layer
Lime crushed stone soil layer 2, after the completion of laying, one layer of expansion soil layer 3 is re-layed, is then entered again according to the hierarchic structure of ladder domatic 6
The laying of row lime crushed stone soil layer 2, so circulation, which go down to lay up to last layer of expansion soil layer 3, to be finished, after the completion of, lay back
Swelled ground 4 is filled out, swelled ground is got on according to design size covering, domatic 4-1 is repaired, finally covers green layer 5.
It is described above, only it is preferred embodiment of the present utility model, not the utility model is imposed any restrictions, every
Any simple modification, change and the equivalent structure change made according to the utility model technical spirit to above example, still
Belong in the protection domain of technical solutions of the utility model.
Claims (8)
- A kind of 1. Protection of Expansive Soil structure, it is characterised in that：Side slope matrix (1) including hierarchic structure, from bottom to up according to Sub-level be arranged on side slope matrix (1) it is domatic on multiple protection layer units and be covered in it is multiple protection layer units composition it is domatic On backfill swelled ground (4)；It is broken that the lime crushed stone soil layer (2) and level that the protection layer unit is laid by level are laid on lime Expansion soil layer (3) on stone soil layer (2) is formed；The side slope matrix (1) is by multiple matrixes domatic (1-1) and multiple horizontally disposed Matrix platform (1-2) composition, be equipped with multiple protection layer units, described matrix platform (1-2) on described matrix platform (1-2) The upper surface of highest expansion soil layer (3) is flush on the matrix platform (1-2) adjacent with lower section, alternately multiple lime of laying Crushed stone soil layer (2) is that ladder is domatic (6) with the domatic of multiple expansion soil layers (3) formation, swollen covered with backfilling on ladder domatic (6) It is swollen soil (4), it is described backfill swelled ground (4) backfill domatic (4-1) on be equipped with green layer (5).
- 2. according to a kind of Protection of Expansive Soil structure described in claim 1, it is characterised in that：The lime crushed stone soil layer (2) it is 1 with the thickness ratio of expansion soil layer (3).
- 3. according to a kind of Protection of Expansive Soil structure described in claim 1, it is characterised in that：The ladder domatic (6) The gradient is 3/4~4/3.
- 4. according to a kind of Protection of Expansive Soil structure described in claim 3, it is characterised in that：The ladder domatic (6) The gradient is 1/1.
- 5. according to a kind of Protection of Expansive Soil structure described in claim 1, it is characterised in that：Described matrix is domatic (1-1) The gradient be 1/1~2/1.
- 6. according to a kind of Protection of Expansive Soil structure described in claim 5, it is characterised in that：Described matrix is domatic (1-1) The gradient be 4/3.
- 7. according to a kind of Protection of Expansive Soil structure described in claim 1, it is characterised in that：Multiple described matrix platforms The width of (1-2) is equal.
- 8. according to a kind of Protection of Expansive Soil structure described in claim 1, it is characterised in that：Two neighboring described matrix is put down Height between platform (1-2) is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720292060.4U CN206768838U (en) | 2017-03-23 | 2017-03-23 | A kind of Protection of Expansive Soil structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720292060.4U CN206768838U (en) | 2017-03-23 | 2017-03-23 | A kind of Protection of Expansive Soil structure |
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| CN206768838U true CN206768838U (en) | 2017-12-19 |
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| CN201720292060.4U Expired - Fee Related CN206768838U (en) | 2017-03-23 | 2017-03-23 | A kind of Protection of Expansive Soil structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109235469A (en) * | 2018-10-25 | 2019-01-18 | 北京星河园林景观工程有限公司 | A kind of Cut Slopes of Expansive Soil structure and its construction method |
| CN110420960A (en) * | 2019-05-14 | 2019-11-08 | 广州环投环境服务有限公司 | A kind of junk-heap body slope trimming method |
-
2017
- 2017-03-23 CN CN201720292060.4U patent/CN206768838U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109235469A (en) * | 2018-10-25 | 2019-01-18 | 北京星河园林景观工程有限公司 | A kind of Cut Slopes of Expansive Soil structure and its construction method |
| CN110420960A (en) * | 2019-05-14 | 2019-11-08 | 广州环投环境服务有限公司 | A kind of junk-heap body slope trimming method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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