CN110409466A - The safeguard structure and its construction method of side slope - Google Patents
The safeguard structure and its construction method of side slope Download PDFInfo
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- CN110409466A CN110409466A CN201910637403.XA CN201910637403A CN110409466A CN 110409466 A CN110409466 A CN 110409466A CN 201910637403 A CN201910637403 A CN 201910637403A CN 110409466 A CN110409466 A CN 110409466A
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- 238000010276 construction Methods 0.000 title claims abstract description 28
- 239000002689 soil Substances 0.000 claims abstract description 55
- 239000000463 material Substances 0.000 claims abstract description 27
- 235000016709 nutrition Nutrition 0.000 claims description 18
- 230000035764 nutrition Effects 0.000 claims description 18
- 241001464837 Viridiplantae Species 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 238000003786 synthesis reaction Methods 0.000 claims description 8
- 238000009933 burial Methods 0.000 claims description 5
- 238000009966 trimming Methods 0.000 claims description 4
- 230000014759 maintenance of location Effects 0.000 claims description 3
- 229920002994 synthetic fiber Polymers 0.000 claims description 3
- 239000010410 layer Substances 0.000 claims 2
- 239000011241 protective layer Substances 0.000 claims 1
- 239000004567 concrete Substances 0.000 description 12
- 239000011083 cement mortar Substances 0.000 description 11
- 239000004570 mortar (masonry) Substances 0.000 description 10
- 239000004575 stone Substances 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 241000196324 Embryophyta Species 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 235000015097 nutrients Nutrition 0.000 description 4
- 244000025254 Cannabis sativa Species 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 241000218922 Magnoliophyta Species 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000011464 hollow brick Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 238000012163 sequencing technique Methods 0.000 description 2
- 239000003516 soil conditioner Substances 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 210000003371 toe Anatomy 0.000 description 1
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Classifications
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
On the one hand the embodiment of the present application provides a kind of safeguard structure of side slope, it include: upper masonry structure, lower masonry structure and geosynthetics structure, upper masonry structure is set to the upper end of the slope surface of the side slope, lower masonry structure is set to the lower end of the slope surface, one end of the geosynthetics structure and the upper masonry structure are adjacent, and the other end of the geosynthetics structure and the lower masonry structure are adjacent.On the other hand the embodiment of the present application provides a kind of construction method of the safeguard structure of side slope.Reinforce the structural stability on the stratum of the upper end of slope surface by upper masonry structure, reinforce the structural stability on the stratum of the lower end of slope surface by lower masonry structure, the dosage of masonry material is on the one hand reduced by geosynthetics structure, another aspect geosynthetics can effectively consolidate slope surface surface soil, it is excavated in geosynthetics work progress without being cut to slope surface large area, will not influence the stability of slope surface surface soil.
Description
Technical field
This application involves Geotechnical Engineering field more particularly to the safeguard structures and its construction method of a kind of side slope.
Background technique
It generallys use hollow brick, concrete, mortar flag stone and forms masonry structure for realizing side slope protection, still, entirely
The slope surface of side slope all uses masonry structure, and there are hollow brick, concrete, the such masonry material dosage of mortar flag stone is biggish asks
Topic.
Summary of the invention
In view of this, the embodiment of the present application is intended to provide the safeguard structure and its construction method of a kind of side slope, bricklaying is solved
The larger problem of material utilization amount, in order to solve the above technical problems, the technical solution of the embodiment of the present application is achieved in that
On the one hand the embodiment of the present application is intended to provide a kind of safeguard structure of side slope, comprising:
Upper masonry structure is set to the upper end of the slope surface of the side slope；
Lower masonry structure, is set to the lower end of the slope surface；
Geosynthetics structure, one end of the geosynthetics structure and the upper masonry structure are adjacent, described
The other end of geosynthetics structure and the lower masonry structure are adjacent.
Further, geosynthetics structure one end adjacent with the upper masonry structure is curved to the slope surface
Folding, and be embedded in the stratum of the slope surface；
And/or the geosynthetics structure and the adjacent one end of the lower masonry structure are to the lower masonry structure
Bending.
Further, the geosynthetics structure includes three-dimensional earthwork, wherein the parameter of the three-dimensional earthwork
It is as follows: mass area ratio >=510g/m2, thickness >=24mm, length >=30m, breadth >=1.5m, endwise tensile strength >=
3.2kg/m, transverse tensile strength >=3.2kg/m, rebound degree >=80%, uvioresistant strength retention >=80%.
Further, the safeguard structure includes U-shaped nail, and the geosynthetics structure is fixed on by the U-shaped nail
In the slope surface.
Further, the U-shaped nail is in a row distributed, and the spacing between the U-shaped nail of adjacent two is 0.5m~2m；
And/or the U-shaped nail includes the first U-shaped nail and the second U-shaped nail, single leg length of the first U-shaped nail is greater than the
Single leg length of two U-shaped nails, the first U-shaped nail and the described second U-shaped nail are staggered.
Further, the safeguard structure includes Green Protection layer, and the Green Protection layer includes the first Nutrition Soil and green
Plant, first Nutrition Soil is covered in the geosynthetics structure, it is described it is green plant in the slope surface, described the
One Nutrition Soil includes soil, leaf mould and sawdust.
Further, the safeguard structure includes multiple timbers, and one end of the timber is located in the stratum of the slope surface.
On the other hand the embodiment of the present application is intended to provide a kind of construction method of the safeguard structure of side slope, comprising:
Rebuild the slope surface of the side slope；
Upper masonry structure is performed in the upper end of the slope surface；
Lower masonry structure is performed in the lower end of the slope surface；
Geosynthetics structure is performed between the upper masonry structure and the lower masonry structure, the geotechnique is closed
It is fixed in the slope surface at material structure.
Further, geosynthetics structure is performed between the upper masonry structure and the lower masonry structure, it will
The geosynthetics structure is fixed on the step in the slope surface, comprising:
It is excavated in the slope surface for closing on the upper masonry structure and buries ditch, by the one of the geosynthetics structure
End is put into the burial ditch, backfills the burial ditch.
Further, geosynthetics structure is performed between the upper masonry structure and the lower masonry structure, it will
The geosynthetics structure is fixed on the step in the slope surface, comprising:
It excavates to form trigonum according to predetermined angle in the slope surface for closing on the lower masonry structure, the geotechnique closes
It is put into the trigonum at one end of material structure, backfills the trigonum.
Further, geosynthetics structure is performed between the upper masonry structure and the lower masonry structure, it will
The geosynthetics structure is fixed on after the step in the slope surface, the construction method further include: in the geotechnique
Green Protection layer is performed in slope surface where synthetic material structure.
Further, the step of rebuilding the slope surface of the side slope, comprising: the slope surface setting second after the completion of trimming
Nutrition Soil.
On the one hand the embodiment of the present application is intended to provide a kind of safeguard structure of side slope, reinforce slope surface by upper masonry structure
The structural stability on the stratum of upper end avoids the upper end of slope surface because of rainwash, and the surface soil of upper end sinks to influencing therewith entire
The structural stability of slope surface is reinforced the structural stability on the stratum of the lower end of slope surface by lower masonry structure, utilizes lower bricklaying knot
The stress-bearing capability that the rigidity effect of structure improves lower end stratum passes through geosynthetics structure so that edge slope structure is more stable
On the one hand the dosage of masonry material is reduced, another aspect geosynthetics can effectively consolidate slope surface surface soil, geotechnique's synthesis material
Expect to excavate in work progress without cutting slope surface large area, will not influence the stability of slope surface surface soil.The embodiment of the present application is another
On the one hand provide a kind of side slope safeguard structure construction method, construction method be above structure construction method, have with it is upper
State the identical beneficial effect of structure.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the cross section of the safeguard structure of side slope in the embodiment of the present application；
Fig. 2 is the enlarged drawing in Fig. 1 at A；
Fig. 3 is the enlarged drawing in Fig. 1 at B；
Fig. 4 is a kind of structural schematic diagram of timber in the embodiment of the present application；
Fig. 5 is a kind of construction process figure of the safeguard structure of side slope in the embodiment of the present application；
Fig. 6 is another construction process figure of the safeguard structure of side slope in the embodiment of the present application.
Description of symbols
Side slope 10；Slope surface 11；Upper end 111；Lower end 112；Upper masonry structure 1；Lower masonry structure 2；Geosynthetics knot
Structure 3；Three-dimensional earthwork 31；U-shaped nail 4；First U-shaped nail 41；Second U-shaped nail 42；Green Protection layer 5；It is green to plant 51；Timber 6；Pile body
61；Pile crown 62.
Specific embodiment
It should be noted that in the absence of conflict, the technical characteristic in embodiment and embodiment in the application can
To be combined with each other, the detailed description in specific embodiment is interpreted as the explanation of the application objective, is not construed as to this
The improper restriction of application.
In the description of the present application, " g " represents international unit gram, and " m " represents international unit rice, " m2" represent international unit
Square metre, " mm " represents international unit millimeter, and " kg " represents international unit kilogram."upper", under " orientation or positional relationship be based on
The orientation of side slope, such as the orientation or positional relationship of Fig. 1.It is to be appreciated that these directional terminologies are merely for convenience of describing
The application and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction and operation, therefore should not be understood as the limitation to the application.
On the one hand the embodiment of the present application provides a kind of safeguard structure of side slope, please refer to Fig. 1-Fig. 3, safeguard structure includes:
Upper masonry structure 1 is set to the upper end 111 of the slope surface 11 of side slope 10；
Lower masonry structure 2 is set to the lower end 112 of slope surface 11；
Geosynthetics structure 3, one end of geosynthetics structure 3 and upper masonry structure 1 are adjacent；Geotechnique's synthesis material
Expect that the other end and the lower masonry structure 2 of structure 3 are adjacent.
The upper end surface soil of slope surface is washed away vulnerable to rainfall or ponding, so that side slope side slope occurs and peels off, slips phenomenon of collapsing, is passed through
The structural stability on upper end stratum is reinforced in the rigidity effect of upper masonry structure, and rainfall or ponding is avoided to wash away upper end surface soil, due to
Rainfall or ponding easily collect in the lower end of the slope surface of hypsography low-lying, penetrate into inside side slope, influence the structural stability of side slope,
Pass through lower trowel used for plastering so that edge slope structure is more stable by the stress-bearing capability that lower end stratum is reinforced in the rigidity effect of lower masonry structure
The waterproof action of work structure avoids the ponding for collecting in lower end or precipitation leakage from entering inside side slope, passes through geosynthetics
On the one hand structure reduces the dosage of masonry material, cost is relatively low, and rapidly, geosynthetics can effectively consolidate slope surface table for construction
Soil, on the other hand the skeleton shape safeguard structure of existing masonry material building is applying man-hour requirement to the big face of slope surface progress to slope surface
Product cutting is excavated, the strong influence stability of slope surface surface soil, the geosynthetics structure that the embodiment of the present application uses without
Large area cutting need to be carried out to slope surface to excavate, and avoid the stability for influencing slope surface surface soil.
Specifically, upper masonry structure is using masonry, concrete, cement mortar or mortar flag stone along the upper end structure of slope surface
Build the engineering structure to be formed.Such as: the soil layer of the upper end of slope surface is covered using masonry, concrete, cement mortar or mortar flag stone
Cover the structure to form fringing shape.It is understood that upper masonry structure extends along side slope longitudinal direction.
Specifically, lower masonry structure is using masonry, concrete, cement mortar or mortar flag stone along the lower end structure of slope surface
Build the engineering structure to be formed.Such as: the soil layer of the lower end of slope surface is covered using masonry, concrete, cement mortar or mortar flag stone
Cover the structure to form fringing shape.It is understood that lower masonry structure extends along side slope longitudinal direction.
Specifically, geosynthetics structure is that slope surface is covered to the earth structure to be formed using geosynthetics.
Geosynthetics is the synthesis material for civil engineering of the formation such as polyethylene, polyester, polyamide, polypropylene, polyvinyl chloride
Material products, such as three-dimensional plastic geonet, glass fiber mesh.
It should be noted that one end of geosynthetics structure and upper masonry structure are adjacent, geotechnique's synthesis material can be
The one end and upper masonry structure interval for expecting structure are arranged, the distance between one end of geosynthetics structure and upper masonry structure
More than or equal to 50mm, it is less than or equal to 500mm；The construction of geosynthetics structure is convenient in such design.It is also possible to geotechnological conjunction
It is abutted at one end of material structure with upper masonry structure；Structure between such design geosynthetics structure and upper masonry structure
Rigidity is more preferable.
The other end of geosynthetics structure and lower masonry structure are adjacent, can be one end of geosynthetics structure
It is arranged with lower masonry structure interval, the distance between one end of geosynthetics structure and lower masonry structure are more than or equal to
50mm is less than or equal to 500mm；The construction of geosynthetics structure is convenient in such design.It is also possible to geosynthetics knot
One end of structure is abutted with lower masonry structure；Structural rigidity is more between such design geosynthetics structure and upper masonry structure
It is good.
In one embodiment of the application, Fig. 1 and Fig. 2, geosynthetics structure 3 and the adjoining of upper masonry structure 1 are please referred to
One end is bent to slope surface 11, and is embedded in the stratum of slope surface 11.Geosynthetics structure is embedded to one end in the stratum of slope surface,
Soil pressure using Soil Slope and the frictional force between geosynthetics structure, improve geosynthetics structure by
Power ability reinforces the structural stability of geosynthetics structure, when slope surface surface soil is downward in the case where geologic structure changes
When movement, slows down and even slope surface surface soil is prevented to move downward, slope surface surface soil is avoided to collapse.
In one embodiment of the application, Fig. 1 and Fig. 3, geosynthetics structure 3 and the adjoining of lower masonry structure 2 are please referred to
One end is bent to slope surface 11.Since one end of geosynthetics structure is bent to slope surface, one end of geosynthetics structure
Biggish face contact is formed with slope surface, avoids geosynthetics structure under the action of the soil pressure of Soil Slope, Tu Gonghe
It is displaced phenomenon at one end that material structure is connect with lower masonry structure, meanwhile, support force is provided using lower masonry structure, is mentioned
The stability of high geosynthetics structure.In a preferred embodiment, geosynthetics structure 3 and lower masonry structure 2 are adjacent
The one end connect is bent to slope surface 11, and is embedded in the stratum of slope surface 11.Such structure further utilizes the soil pressure of Soil Slope
And the frictional force between geosynthetics structure, the stress-bearing capability of geosynthetics structure is improved, geotechnique's synthesis is reinforced
The structural stability of material structure.
In order to further strengthen the stability of geosynthetics structure, in one embodiment of the application, referring to Fig. 1, native
Geosynthetics structure 3 includes three-dimensional earthwork 31, wherein the parameter of three-dimensional earthwork 31 is as follows: mass area ratio >=
510g/m2, thickness >=24mm, length >=30m, breadth >=1.5m, endwise tensile strength >=3.2kg/m, transverse tensile strength >=
3.2kg/m, rebound degree >=80%, uvioresistant strength retention >=80%.
In order to which geosynthetics structure to be preferably fixed in slope surface, reinforce the stabilization of geosynthetics structure
Property, in one embodiment of the application, Fig. 1-Fig. 3 is please referred to, safeguard structure includes U-shaped nail 4, and U-shaped nail 4 is by geosynthetics structure
4 are fixed in slope surface 11.The two legs of U-shaped nail 4 extend through geosynthetics structure 3, are arranged in the stratum of slope surface 11,
Geosynthetics structure 3 is fixed in slope surface 11 by U-shaped nail 4.U-shaped nail can be the U-shaped nail of square toes, the U-shaped nail of round end, G
U-shaped nail or with the U-shaped nail of cap.The material of U-shaped nail can be hand-drawn wire, galvanized wire, zinc-coated wire, stainless steel wire etc..
For the stress of balanced U-shaped nail, reduce the stress of single U-shaped nail, it is more firm by geosynthetics structure
It is fixed in slope surface, further strengthens the stability of geosynthetics structure, in one embodiment of the application, referring to Fig. 1, U
Sprig 4 is in a row distributed, and the spacing between the U-shaped nail 4 of adjacent two is 0.5m~2m.For example, 0.5m, 0.7m, 0.9m, 1m,
1.2m, 1.5m, 1.8m and 2m.
In one embodiment of the application, Fig. 1-Fig. 3 is please referred to, U-shaped nail 4 includes the first U-shaped nail 41 and the second U-shaped nail 42, the
Single leg length of one U-shaped nail 41 is greater than single leg length of the second U-shaped nail 42, and the first U-shaped nail 41 and the second U-shaped nail 42 are staggeredly set
It sets.
Single leg of first U-shaped nail is longer than single leg of the second U-shaped nail, synthesizes geotechnique using the first U-shaped nail is more firm
Material structure is fixed in slope surface, due to the second U-shaped nail single leg length less than the first U-shaped nail single leg length, firmly
Under conditions of geosynthetics structure is fixed in slope surface, use the second U-shaped nail can with save the cost, the first U-shaped nail and
Second U-shaped nail is staggered and can reduce the usage amount of the first U-shaped nail, reduces influence of the first U-shaped nail to the stratum of slope surface.
In one embodiment of the application, Fig. 1-Fig. 3 is please referred to, the first single leg length of U-shaped nail 41 is 0.5m~0.8m, the 2nd U
The single leg length of sprig 42 is 0.2m~0.4m.For example, the single leg length of the first U-shaped nail is 0.5m, 0.6,0.7 or 0.8m, second is U-shaped
Following closely single leg length is 0.2m, 0.3 or 0.4m.Using such design, convenient for the both legs of the first U-shaped nail and the second U-shaped nail are hammered into
In the stratum of slope surface.
In one embodiment of the application, Fig. 1-Fig. 3 is please referred to, safeguard structure includes Green Protection layer 5, and Green Protection layer 5 wraps
Include the first Nutrition Soil (not shown) He Lvzhi 51, the first Nutrition Soil is covered in geosynthetics structure 3, it is green plant 51 kinds plant in
In slope surface 11, the first Nutrition Soil includes soil, leaf mould and sawdust.Using the above structure, on the one hand by the root system of green plant to slope
The stratum in face is protected, and prevents the bottom of slope surface from peeling off, and on the other hand realizes side slope large area by building Green Protection layer
It is less to solve the problems, such as that existing safeguard structure is afforested for the effect of greening.
Specifically, the first Nutrition Soil includes soil, leaf mould and the sawdust for being 5:1:1 according to mass ratio, is grown convenient for green plant.
In one embodiment of the application, Fig. 1-Fig. 3 is please referred to, safeguard structure includes multiple timbers 6, and one end of timber 6 is located at
In the stratum of slope surface 11.Reinforcement fixation from timber early period, the corruption of later period timber improve the soil property of side slope, are the soil of side slope
It has additional nutrients.
In one embodiment of the application, referring to Fig. 1, timber 6 is set in a row in slope surface 11.Such design is so that timber closes
Reason is set in slope surface, and timber is avoided to be unevenly distributed in slope surface.
In one embodiment of the application, referring to Fig. 4, timber 5 includes the pile crown 62 of cylindrical pile body 61 and cone, stake
First 62 are set in the stratum of slope surface 11.The pile crown of cone enters in the stratum of slope surface convenient for pile crown.
In one embodiment, the height of pile body 61 is 0.2m~0.4m, and the diameter of pile body 61 is 0.1m~0.3m.
On the other hand the embodiment of the present application provides a kind of construction method of the safeguard structure of side slope, please refer to Fig. 1 and Fig. 5,
Include:
S01, the slope surface for rebuilding side slope；
S02, upper masonry structure is performed in the upper end of slope surface；
S03, lower masonry structure is performed in the lower end of slope surface；
S04, geosynthetics structure is performed between upper masonry structure and lower masonry structure, by geosynthetics knot
Structure is fixed in slope surface.
It is understood that step S02, step S03, step S04 have no construction sequencing, it can first implementation steps
S02, then implementation steps S03, last implementation steps S04；It is also possible to first implementation steps S03, then implementation steps S02, it is last real
Apply step S04；It can also be first implementation steps S04, then implementation steps S03, last implementation steps S02.
Below to a kind of various detailed embodiment party of the construction method of the safeguard structure of side slope provided by the embodiments of the present application
Formula is specifically described, it should be noted that these detailed embodiments can be accepted or rejected according to the different demands of construction.
S01, the slope surface for rebuilding side slope.
In one embodiment of the application, Fig. 1, Fig. 5 and Fig. 6 are please referred to, S01, rebuilds the step of slope surface of side slope, comprising: In
The second Nutrition Soil is arranged in slope surface after the completion of trimming.
The soil property that the second Nutrition Soil is used to improve slope surface is set by slope surface after the completion of trimming, for being the green plant later period
Growth provides sufficient nutrient.
Preferably, the second Nutrition Soil includes soil, leaf mould and the sawdust for being 5:1:1 according to mass ratio.In order to give green plant
Plantation later period after taking root provides sufficient nutrient, and in one embodiment of the application, the thickness of the second Nutrition Soil is more than or equal to
0.15m。
S02, upper masonry structure is performed in the upper end of slope surface.
Specifically, upper masonry structure 1 is using masonry, concrete, cement mortar or mortar flag stone along the upper of slope surface 11
The engineering structure that 111 building of end is formed.Such as: using masonry, concrete, cement mortar or mortar flag stone by the upper end of slope surface 11
111 soil layer covers the structure to form fringing shape.
S03, lower masonry structure is performed in the lower end of slope surface.
Specifically, lower masonry structure 2 is using masonry, concrete, cement mortar or mortar flag stone along under slope surface 11
The engineering structure that 112 building of end is formed.Such as: using masonry, concrete, cement mortar or mortar flag stone by the lower end of slope surface 11
112 soil layer covers the structure to form fringing shape.
S04, geosynthetics structure is performed between upper masonry structure and lower masonry structure, by geosynthetics knot
Structure is fixed in slope surface.
Specifically, slope surface is covered to form geosynthetics structure 3 using geosynthetics, geotechnique is synthesized into material
Material structure 3 is fixed in slope surface 11.Slope surface 11 is covered for example, by using three-dimensional plastic geonet, two of the first U-shaped nail 41
The two legs of leg and the second U-shaped nail 42 extend through three-dimensional plastic geonet, are arranged in the stratum of slope surface 11, are staggered
First U-shaped nail 41 and the second U-shaped nail 42, the first U-shaped nail 41 and the second U-shaped in a row distribution of nail 42, two adjacent the first U-shaped nails
41 and/or the second spacing between U-shaped nail be 0.5m~2m.
It is understood that one end of geosynthetics structure 3 and upper masonry structure 1 are adjacent, if geosynthetics
There are gaps between one end of structure 3 and upper masonry structure 1, then by geosynthetics structure 3 and upper 1 adjoiner of masonry structure
Gap backfilled, avoid rainfall or other liquid from flowing into stratum along gap, influence slope stability, can be with soil, mixed
Solidifying soil, cement mortar it is one such or it is several backfilled, the material of backfill is herein with no restrictions.Similarly, geotechnique's synthesis material
Expect that one end and the lower masonry structure 2 of structure 3 are adjacent, if existing between one end of geosynthetics structure 3 and lower masonry structure 2
Gap, according to above-mentioned identical processing method, details are not described herein.
In one embodiment of the application, Fig. 1 and Fig. 5 are please referred to, S04, is performed between upper masonry structure and lower masonry structure
Geosynthetics structure, step geosynthetics structure being fixed in slope surface, comprising: closing on upper masonry structure
It is excavated in slope surface and buries ditch, one end of geosynthetics structure is put into and is buried in ditch, ditch is buried in backfill.
It is buried in ditch (not shown) specifically, one end of geosynthetics structure 3 is put into, it will using the second U-shaped nail
Geosynthetics structure 3 is put into the one end buried in ditch and is fixed, it is to be understood that the can only be used by not limiting herein
Two U-shaped nails can also use the first U-shaped nail, use the second U-shaped nail can be with save the cost；Ditch is buried in backfill, in one embodiment,
Geosynthetics structure 3, which is exposed, buries one end of ditch and bend towards lower masonry structure 2, is covered in slope surface 11, then use the
One U-shaped nail hammers into the soil layer of slope surface 11 from one end of bending through geosynthetics structure 3, by geosynthetics structure
3 are fixed in slope surface 11, it is to be understood that the second U-shaped nail can only be used by not limiting herein, can also be used the first U-shaped nail, be adopted
It can be bent with save the cost, the one end adjacent with upper masonry structure 1 of geosynthetics structure 3 to slope surface 11 with the second U-shaped nail,
And be embedded in the stratum of slope surface 11, then the cross section of geosynthetics structure 3 and one end adjacent with upper masonry structure is in η
Shape.
Preferably, burying ditch can be the irrigation canals and ditches of depth 0.4m, width 0.4m.Ditch is buried in backfill can be used former excavation burial ditch
The soil of generation, can also be using cement mortar, concrete etc..
In one embodiment of the application, Fig. 1 and Fig. 5 are please referred to, S04, is performed between upper masonry structure and lower masonry structure
Geosynthetics structure, step geosynthetics structure being fixed in slope surface, comprising: closing on lower masonry structure
It excavates to form trigonum according to predetermined angle in slope surface, one end of geosynthetics structure is put into trigonum, backfills triangle
Area.
In another embodiment, S04 performs geosynthetics knot between upper masonry structure 1 and lower masonry structure 2
Structure 3, step geosynthetics structure 3 being fixed in slope surface, comprising: in the slope surface 11 for closing on lower masonry structure 2 by
It excavates to form trigonum (not shown) according to predetermined angle, one end of geosynthetics structure 3 is put into trigonum, using second
One end that geosynthetics structure 3 is put into trigonum is fixed U-shaped nail, backfills trigonum, geosynthetics structure 3
The other end bent towards upper masonry structure 1, be covered in slope surface 11, using first it is U-shaped nail from one end of bending through geotechnique
Synthetic material structure 3 hammers into the soil layer of slope surface 11, for geosynthetics structure 3 to be further fixed on slope surface 11.
The former soil for excavating trigonum and generating can be used in backfill trigonum, can also be using cement mortar, concrete etc..
In one embodiment of the application, Fig. 1 and Fig. 6 are please referred to, S04, is performed between upper masonry structure and lower masonry structure
Geosynthetics structure, after geosynthetics structure is fixed on the step in slope surface, construction method includes: S05, In
Green Protection layer in slope surface where geosynthetics structure.
It is understood that S05 can before step S02 or step S03, can also after S02 or step S03,
Construction sequencing is had no with step S02 or step S03, it is only necessary to after step S04.
S05, Green Protection layer is performed in the slope surface where geosynthetics structure.
Specifically, in one embodiment, geosynthetics structure 3 includes three-dimensional earthwork 31, and the second Nutrition Soil is thrown
It spreads in the stereoscopic graticule for entering three-dimensional earthwork and full of net packet, no net wraps exposed.It is green to plant 51 kinds of plants including preparing grass seeds Shrub Species
Or the plantation liquid of the seeds of flowering plants, water, water dissolution fertilizer, soil conditioner, plant fiber, water-retaining agent etc., the process of configuration plantation liquid are
Fertilizer, soil conditioner first are dissolved with water and is injected in tank body, add water at require volume 1/3, plant fiber is added
Stirring is started simultaneously at, when continuing to add water to require volume 1/2, grass seeds Shrub Species or the seeds of flowering plants is added, when adding water to 2/3, is stopped
Add water, adds water after mixing evenly, adds water-retaining agent, add adhesive, coloring agent after being stirred for uniformly, finally stir evenly.
It uniformly sows grass seeds by duster and is conserved along slope surface.
Preferably, in order to need sufficient nutrient to the green initial planting that is implanted in, the first Nutrition Soil with a thickness of being more than or equal to
0.05m。
Since side slope of embankment is embankment side slope, slope surface thicker soil, the safeguard structure of side slope provided by the present application is especially suitable
The protection of side slope of embankment for slope height more than or equal to 3 meters.
Each embodiment/embodiment provided by the present application can be combined with each other in the case where not generating contradictory situation.
The foregoing is merely the preferred embodiments of the application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (12)
1. a kind of safeguard structure of side slope characterized by comprising
Upper masonry structure is set to the upper end of the slope surface of the side slope；
Lower masonry structure, is set to the lower end of the slope surface；
Geosynthetics structure, one end of the geosynthetics structure and the upper masonry structure are adjacent, the geotechnique
The other end of synthetic material structure and the lower masonry structure are adjacent.
2. safeguard structure according to claim 1, which is characterized in that the geosynthetics structure and the upper bricklaying
The adjacent one end of structure is bent to the slope surface, and is embedded in the stratum of the slope surface；
And/or the geosynthetics structure is bent with the adjacent one end of the lower masonry structure to the lower masonry structure.
3. safeguard structure according to claim 1, which is characterized in that the geosynthetics structure includes three V dimensional
Net, wherein the parameter of the three-dimensional earthwork is as follows: mass area ratio >=510g/m2, thickness >=24mm, length >=30m,
Breadth >=1.5m, endwise tensile strength >=3.2kg/m, transverse tensile strength >=3.2kg/m, rebound degree >=80%, uvioresistant
Strength retention >=80%.
4. safeguard structure according to claim 1, which is characterized in that the safeguard structure includes U-shaped nail, the U-shaped nail
The geosynthetics structure is fixed in the slope surface.
5. safeguard structure according to claim 4, which is characterized in that the U-shaped nail in a row distribution, described in adjacent two
Spacing between U-shaped nail is 0.5m~2m；
And/or the U-shaped nail includes the first U-shaped nail and the second U-shaped nail, single leg length of the first U-shaped nail is greater than the 2nd U
Single leg length of sprig, the first U-shaped nail and the described second U-shaped nail are staggered.
6. safeguard structure described in any one according to claim 1~5, which is characterized in that the safeguard structure includes green
Protective layer, the Green Protection layer include the first Nutrition Soil and green plant, and first Nutrition Soil is covered on geotechnique's synthesis material
Expect in structure, it is described it is green plant in the slope surface, first Nutrition Soil includes native, leaf mould and sawdust.
7. safeguard structure described in any one according to claim 1~5, which is characterized in that the safeguard structure includes multiple
One end of timber, the timber is located in the stratum of the slope surface.
8. a kind of construction method of the safeguard structure of side slope characterized by comprising
Rebuild the slope surface of the side slope；
Upper masonry structure is performed in the upper end of the slope surface；
Lower masonry structure is performed in the lower end of the slope surface；
Geosynthetics structure is performed between the upper masonry structure and the lower masonry structure, the geotechnique is synthesized into material
Material structure is fixed in the slope surface.
9. construction method according to claim 8, which is characterized in that in the upper masonry structure and the lower masonry structure
Between perform geosynthetics structure, the step geosynthetics structure being fixed in the slope surface, comprising:
It is excavated in the slope surface for closing on the upper masonry structure and buries ditch, one end of the geosynthetics structure is put
Enter in the burial ditch, backfills the burial ditch.
10. construction method according to claim 8, which is characterized in that in the upper masonry structure and the lower bricklaying knot
Geosynthetics structure is performed between structure, the step geosynthetics structure being fixed in the slope surface, comprising:
It excavates to form trigonum according to predetermined angle in the slope surface for closing on the lower masonry structure, geotechnique's synthesis material
One end of material structure is put into the trigonum, backfills the trigonum.
11. according to construction method described in claim 8~10 any one, which is characterized in that in the upper masonry structure and
Geosynthetics structure is performed between the lower masonry structure, the geosynthetics structure is fixed in the slope surface
The step of after, the construction method further include: perform Green Protection in the slope surface where the geosynthetics structure
Layer.
12. according to construction method described in claim 8~10 any one, which is characterized in that rebuild the slope surface of the side slope
The step of, comprising: the second Nutrition Soil is arranged in slope surface after the completion of trimming.
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| CN201910637403.XA CN110409466A (en) | 2019-07-15 | 2019-07-15 | The safeguard structure and its construction method of side slope |
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