CN108035378A - The compound reinforcing rib Ecological Retaining Wall of geotechnical grid and its construction method - Google Patents
The compound reinforcing rib Ecological Retaining Wall of geotechnical grid and its construction method Download PDFInfo
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- CN108035378A CN108035378A CN201711383783.6A CN201711383783A CN108035378A CN 108035378 A CN108035378 A CN 108035378A CN 201711383783 A CN201711383783 A CN 201711383783A CN 108035378 A CN108035378 A CN 108035378A
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- geotechnical grid
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
- E02D29/0225—Retaining or protecting walls comprising retention means in the backfill
- E02D29/0241—Retaining or protecting walls comprising retention means in the backfill the retention means being reinforced earth elements
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0084—Geogrids
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- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- General Engineering & Computer Science (AREA)
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- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The invention discloses a kind of compound reinforcing rib Ecological Retaining Wall of geotechnical grid and its construction method, the Ecological Retaining Wall includes the retaining wall units filled successively from bottom to top, and retaining wall units include being laid on the geotechnical grid of bottom, unidirectional TGXG, at least one layer of anti-filter inclusion enclave, direction earthwork grille and fill layer；The construction method includes S1, earth excavation, pours barricade rigid strip foundation；S2, be laid with geotechnical grid, and fills the filler in geotechnical grid；S3, unidirectional grid return bag construction；S4, arrangement two-way grille；S5, repeat the above steps, until reaching barricade design height；By using the geotechnical grid with three-dimensional reinforcing rib structure as fabric, and filler is filled in geotechnical grid, and unidirectional TGXG is laid with the top of the filler in the geotechnical grid after leveling, and return bag anti-filter inclusion enclave, at the same time direction earthwork grille is laid among adjacent composite reinforced layer, successively construct, it is ensured that the structural stability of Ecological Retaining Wall, construction is simple.
Description
Technical field
The present invention relates to earth structure technical field, more particularly to a kind of compound reinforcing rib Ecological Retaining Wall of geotechnical grid and its
Construction method.
Background technology
In recent years, as the extensive development of China's Transportation Infrastructure Construction, the economic construction in China have been driven into quickly
The train road of development, but as country continues to increase existing cultivated land protection dynamics, reducing occupation of land, oneself sets as traffic base
An important guiding principle of construction is applied, this requires when building, on the premise of structure safety and stability is met, largely use
Supporting construction, puts the ratio of slope of gradient slope, to reach the purpose for reducing occupation of land.Wherein retaining wall is because of its comparison safety and stability, economy
It is durable and the advantages that occupation of land can be saved, and be widely used.
In subgrade engineering, retaining wall can be used to stablize embankment and cut slope, reduces earthwork volume and takes up an area face
Product, prevents current scour roadbed, and is frequently used for the subgrade defects such as regulation landslide, landslide.Currently used subgrade support retainer structure
Form has gravity retaining wall and light supporting structure.Gravity retaining wall keeps stablizing by the dead weight of wall body, the advantage is that
Convenient material drawing, construction method are simple, and shortcoming is that its cross dimensions is big, wall body weight, inconvenient in the area construction that building stones lack, especially
It is higher to ground requirement for bearing capacity；Reinforced earth bulkhead as a kind of main light supporting structure is repaiied using reinforcement technology
A kind of sustaining retaining structure built, it is improved the deformation condition of the soil body and is improved the soil body using the rubbing action between lacing wire and soil
Engineering property, so as to achieve the purpose that the stable soil body.Although Geogrid Reinforced Soil Retaining Wall achieves certain effect in engineering practice
Fruit, but there is also some shortcomings, be mainly manifested in planar materials and the frictional resistance at filler interface is small, the protective layer of formation is thin, resists
Erosion ability is low, globality poor, under the action of concentrated flow, is also easy to produce surface and comes off, cause slope erosion to deform, Jin Erfa
Raw slip is collapsed, and the subgrade defect such as cave in.
Geotechnical grid is three-dimensional netted stereochemical structure, is a kind of flexible high molecular material, has higher carrying energy
Power and powerful laterally limiting effect, can form an entirety with filling soil, can be well adapted for the roadbed side slope soil body
Deformation, therefore be widely used in Practical Project, and achieve good effect.The current gear in relation to geotechnical grid
Wall, does not take into full account the stress characteristic of barricade, and does not give full play to the material property of geotechnical grid, causes material unrestrained
Take, long construction period, project cost it is higher.
As China Patent No. be ZL03219002. 6 entitled geotechnical grid vegetation barricade patent of invention, disclose
A kind of geotechnical grid barricade, although the characteristics of barricade has concrete or stone-laying barricade and reinforced earth bulkhead concurrently, you can preferably
To coordinate stress and the deformation of wall, and can effectively disperse base stress, sedimentation is smaller, but since gravity type gear is still continued to use in design
The design method of wall, can undoubtedly cause the waste of material, and not give full play to the material property of geotechnical grid, therefore to barricade
The certain hidden danger of security presence.
, should such as a kind of entitled patent of invention of Novel geotechnical grid Ecological Retaining Wall of Application No. 201220421427.5
Wall is formed by stacking by multilayer geotechnical grid in patent, and reinforcing layer is made of geotechnical grid and filler, and wall passes through with reinforcing layer
Hinge-type latch is connected, and wall and roadbed is formed complete structure by reinforcing layer, three makees jointly as a whole
With.On the one hand, when soil pressure is larger, barricade is used as flexible wall, although deflection deformation and detrusion can voluntarily occur,
It is that the scale deformed does not account for, the safe and stable of barricade can be had an impact if deformation is very big；On the other hand, add
Geotechnical grid is connected with wall by hinge-type latch in muscle layer, if latch destroys, panel can be caused to come off,
Make rolling earth behind retaining wall slide and then slip to collapse, cave in, while see still be to continue to use Gravity Retaining Wall design side after being broken on the whole
Method, does not play geotechnical grid reinforcement and consolidates the soil body on essential meaning.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of compound reinforcing rib Ecological Retaining Wall of geotechnical grid, give full play to
Geotechnical grid solid reinforcing rib and unidirectional TGXG return the advantage of pack arrangement safety and stability, avoid the occurrence of because barricade wall carries on the back generation
Deformation and displacement and the problem of cause barricade to topple.
The present invention also technical problems to be solved are to provide a kind of geotechnical grid complex ecological Retaining wall method, using tool
There is the geotechnical grid of three-dimensional reinforcing rib structure as fabric, and filler is filled in geotechnical grid, and the soil after leveling
Unidirectional TGXG is laid with the top of the indoor filler of work lattice, and returns bag anti-filter inclusion enclave, while among adjacent composite reinforced layer
Direction earthwork grille is laid, is successively constructed, it is ensured that the structural stability of the Ecological Retaining Wall of completion.
In order to solve the above technical problems, the technical solution used in the present invention is：A kind of compound reinforcing rib life of geotechnical grid
State barricade, including the retaining wall units filled successively from bottom to top, retaining wall units include being laid on the geotechnical grid of bottom, unidirectional soil
Work grid, at least one layer of anti-filter inclusion enclave, direction earthwork grille and layer is filled, the filler top surface paving filled in the geotechnical grid
If unidirectional TGXG, anti-filter inclusion enclave is placed in more than unidirectional TGXG and unidirectional TGXG returns bag anti-filter inclusion enclave, single
Packet portion end is returned to TGXG and is located at the filler top surface that is filled in geotechnical grid, to fill layer above geotechnical grid, is filled
The height of layer is identical with the height of anti-filter inclusion enclave, fills and direction earthwork grille is laid with the middle part of layer.
The geotechnical grid surrounding is fixed by means of staple, and it is 0.6-0.8m, Tu Gongge that geotechnical grid, which is laid with longitudinal pitch,
The filler that interior is filled is sandstone mixture, and the particle diameter of sandstone mixture is less than 5cm, and filling compaction degree is not less than 93%.
The unidirectional TGXG laying length is 2.5-3.0m, and the free end of unidirectional TGXG is located in geotechnical grid
In the middle part of the filler top surface filled and free end is fixed by means of staple, and the bag segment length of returning of unidirectional TGXG is not less than 2m.
The anti-filter inclusion enclave presss from both sides cobble for bagged sand, and grass-seed, bagged sand folder cobble edge gear are broadcasted sowing in bagged sand folder cobble
Wall length direction pile forms anti-filter inclusion enclave
In order to solve the above technical problems, the present invention also adopts the technical scheme that：A kind of compound reinforcing rib ecology gear of geotechnical grid
Wall construction method, includes the following steps：
S1, earth excavation, pour barricade rigid strip foundation；
Earth excavation uses mechanical excavation, and hand fit brushes slope, clear bottom, and to prevent substrate from backbreaking disturbance, it is native that slot bottom reserves 30cm
Layer excavated by manual work removes, and after being excavated to design altitude, manual cleaning leveling, carries out foundation bearing capacity experiment, if actual measurement bearing capacity is not up to
To design requirement, should be handled by foundation stabilization designing scheme；
Placement layer by layer metope rigid strip foundation after the completion of basement process；
S2, be laid with geotechnical grid, and fills the filler in geotechnical grid；
S3, unidirectional grid return bag construction；
S4, arrangement two-way grille；
S5, repeat the above steps, until reaching barricade design height.
The step S2 includes：1. first geotechnical grid is opened in tensioning completely, it is close to sub-layer and paves, is followed closely and fixed with U-shaped steel muscle
The surrounding of geotechnical grid, geotechnical grid are laid with longitudinal pitch 0.6-0.8m；
2. geotechnical grid is laid with complete after, fill the filler in geotechnical grid, the filler maximum particle diameter in geotechnical grid is little
In 5cm, it is 25cm-30cm that every layer of filler void, which fills out thickness, is rolled after filler leveling, filling compaction degree is not less than 93%.
The step S3 includes：
1. the filler surface evening in geotechnical grid；
Unidirectional TGXG is placed 2. reducing, unidirectional TGXG tensioning is straight, tightens, unidirectional TGXG laying length 2.5-
3.0 m, manually tense after the completion of laying and straightening, TGXG free end are fixed every the U-shaped nails of 1.0-1.5 m；
3. the bagged sand for having sowed grass-seed is pressed from both sides cobble loaded filter as anti-filter inclusion enclave, layer 2-3 anti-filter inclusion enclave, anti-filter are placed
Inclusion enclave is along barricade length direction pile；
4. unidirectional TGXG returns bag, anti-filter inclusion enclave is covered beyond anti-filter parcel body portion reserved packet with unidirectional TGXG, it is single
It is not less than 2.0m to TGXG diffraction length.
The step S4 includes：After unidirectional TGXG returns bag, pave filler at anti-filter inclusion enclave rear, in order to avoid list
Be damaged to TGXG in construction, pave filler when pave by construction machinery direction of advance, filler compaction in layers, backfill
It is center behind first both sides to roll order, when direction earthwork grille is laid with to anti-filter inclusion enclave half height, is laid with one layer of 2.0-
The direction earthwork grille of 3.0m long, the longitudinal pitch 0.6-0.8m of direction earthwork grille.
It is using beneficial effect caused by above-mentioned technical proposal：1）The geotechnical grid used in the present invention has overall
Property is good, continuity is strong, reinforcement effects are notable and the irreplaceable superiority of plane reinforcement material such as applied widely, Tu Gongge
Rubbing action between the extremely strong sidewise restraint effect in room and filler effectively limits the lateral movement of filler, can be formed stable
Structure, while earth material discharging consolidation can be accelerated, reducing the deflection of roadbed, the type structure has good mechanical characteristic,
The rigidity of roadbed can be effectively improved.
2）Select in current Geogrid Reinforced Soil Retaining Wall the technology of safety and stability the most --- unidirectional TGXG returns bag and returns filter
Inclusion enclave consolidates cell compartment reinforcement, and unidirectional TGXG returns pack arrangement and can keep the stabilization of wall and limit the position of rolling earth behind retaining wall
Move, and be used as using the bagged sand folder cobble loaded filter for having sowed grass-seed and return filter inclusion enclave, wherein bagged sand folder cobble loaded filter
Inclusion enclave can prevent barricade from being separated out by protection soil with seepage water and permeating the unobstructed discharge of water, enable seepage flow within the walls
Amount is released, and reaches drainage pressure-reducing effect, meanwhile, the requirement of barrier wall structure ecology and landscape can be met by sowing grass-seed.
3）On rear side of anti-filter inclusion enclave, adjacent composite reinforced layer intermediate arrangement direction earthwork grille can be to avoid adjacent multiple
Conjunction reinforcement interlamellar spacing is excessive and the situation of local instability occurs.
The beneficial effect also produced using above-mentioned technical proposal is：The construction method has given full play to geotechnical grid solid
Reinforcement effects are obvious, TGXG returns the advantage of bag safety and stability, and construction is simple, construction speed is guaranteed, ecological beauty, society
It is obvious with economic benefit.
Brief description of the drawings
Fig. 1 is the section structure diagram of the present invention；
Wherein：1st, geotechnical grid；2nd, direction earthwork grille；3rd, staple；4th, unidirectional TGXG；5th, anti-filter inclusion enclave.
Embodiment
With reference to the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that described embodiment is only the part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still the present invention can be with
Implemented using other different from other manner described here, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is from the limitation of following public specific embodiment.
As shown in Figure 1, the invention discloses a kind of compound reinforcing rib Ecological Retaining Wall of geotechnical grid, including from bottom to top successively
The retaining wall units filled, retaining wall units include being laid on the geotechnical grid 1 of bottom, unidirectional TGXG 4, at least one layer of anti-filter bag
Wrap up in body 5, direction earthwork grille 2 and fill layer, the filler top surface filled in the geotechnical grid 1 is laid with unidirectional TGXG 4, instead
Filter inclusion enclave 5 is placed in unidirectional TGXG more than 4 and unidirectional TGXG 4 returns bag anti-filter inclusion enclave 5, and unidirectional TGXG 4 is returned
Packet portion end is located at the filler top surface filled in geotechnical grid 1, the top of geotechnical grid 1 to fill layer, fill the height of layer with
The height of anti-filter inclusion enclave 5 is identical, fills and direction earthwork grille 2 is laid with the middle part of layer, and geotechnical grid has good integrity, continuity
The irreplaceable superiority of plane reinforcement material such as by force, reinforcement effects are notable and applied widely, the extremely strong side of geotechnical grid
The lateral movement of filler is effectively limited to the rubbing action between effect of contraction and filler, stable structure can be formed, at the same time
It can accelerate earth material discharging consolidation, reduce the deflection of roadbed, the type structure has good mechanical characteristic, can effectively carry
The rigidity of elevated formation level.
1 surrounding of geotechnical grid is fixed by means of staple 3, and it is 0.6-0.8m that geotechnical grid 1, which is laid with longitudinal pitch, soil
The filler filled in work cell compartment 1 is sandstone mixture, and the particle diameter of sandstone mixture is less than 5cm, and filling compaction degree is not less than 93%.
Unidirectional 4 laying length of TGXG is 2.5-3.0m, and the free end of unidirectional TGXG 4 is located at geotechnical grid
In the middle part of the filler top surface that is filled in 1 and free end is fixed by means of staple 3, unidirectional TGXG 4 to return bag segment length not small
In 2m, the anti-filter inclusion enclave 5 presss from both sides cobble for bagged sand, grass-seed is broadcasted sowing in bagged sand folder cobble, and bagged sand presss from both sides cobble along barricade
Length direction pile forms anti-filter inclusion enclave 5, and unidirectional TGXG returns bag and returns filter inclusion enclave to consolidate cell compartment reinforcement, unidirectional geotechnique
Grid returns pack arrangement and can keep the stabilization of wall and limit the displacement of rolling earth behind retaining wall, and using the bagged sand folder for having sowed grass-seed
Cobble loaded filter is as filter inclusion enclave is returned, and wherein bagged sand folder cobble loaded filter inclusion enclave can prevent barricade by protection soil with oozing
Flowing water separates out, and can guarantee that the infiltration unobstructed discharge of water, is released seepage flow energy within the walls, reaches drainage pressure-reducing effect, together
When, the requirement of barrier wall structure ecology and landscape can be met by sowing grass-seed..
The invention also discloses a kind of compound reinforcing rib Ecological Retaining Wall construction method of geotechnical grid, it is characterised in that：Including
Following steps：
S1, earth excavation, pour barricade rigid strip foundation；
Earth excavation uses mechanical excavation, and hand fit brushes slope, clear bottom, and to prevent substrate from backbreaking disturbance, it is native that slot bottom reserves 30cm
Layer excavated by manual work removes, and after being excavated to design altitude, manual cleaning leveling, carries out foundation bearing capacity experiment, if actual measurement bearing capacity is not up to
To design requirement, should be handled by foundation stabilization designing scheme；
Placement layer by layer metope rigid strip foundation after the completion of basement process；
S2, be laid with geotechnical grid 1, and fills the filler in geotechnical grid 1, and 1. first geotechnical grid 1 is opened in tensioning completely, is held under being close to
Layer is paved, and the surrounding of fixed geotechnical grid 1 is followed closely with U-shaped steel muscle, and geotechnical grid 1 is laid with longitudinal pitch 0.6-0.8m；
2. geotechnical grid 1 is laid with complete after, fill the filler in geotechnical grid 1, the filler maximum particle diameter in geotechnical grid 1 is not
More than 5cm, it is 25cm-30cm that every layer of filler void, which fills out thickness, is rolled after filler leveling, filling compaction degree is not less than 93%, tests
Fold after lattice can filler, thickness and width is controlled when paving with hanging wire, filler, hand fit are substantially first spread out by bull-dozer
Leveling, checks loose laying depth, flatness and water content before rolling, is rolled rapidly after meeting the requirements.When rolling, elder generation should be followed
Weight after light, shakes after first steady, high after first low, it is first slow after the principle such as fast and wheelmark is overlapping；
S3, unidirectional grid return bag construction, 1. the filler surface evening in geotechnical grid 1, to prevent cell compartment upper epidermis filler from existing
Sharp object or hard thing destroy unidirectional TGXG, therefore should first flatten inspection before being laid with unidirectional TGXG；
Unidirectional TGXG 4 is placed 2. reducing, unidirectional 4 tensioning of TGXG is straight, tightens, unidirectional 4 laying length of TGXG
2.5-3.0 m, manually tense after the completion of laying and straightening, TGXG free end are fixed every the U-shaped nails of 1.0-1.5 m, this
Stage unidirectional TGXG be laid with should it is smooth, even up as far as possible, then fixed with U-shaped nail, can enter next procedure after fixing；
3. the bagged sand for having sowed grass-seed is pressed from both sides cobble loaded filter as anti-filter inclusion enclave 5, layer 2-3 anti-filter inclusion enclave 5 is placed, instead
Inclusion enclave 5 is filtered along barricade length direction pile；
4. unidirectional TGXG 4 returns bag, anti-filter inclusion enclave is reversely coated beyond 5 part of anti-filter inclusion enclave with unidirectional TGXG 4
5, unidirectional 4 diffraction length of TGXG is not less than 2.0m, and wherein TGXG top and bottom filler must not have damage TGXG
The things such as sharp stone, tree root；
S4, arrangement two-way grille, after unidirectional TGXG 4 returns bag, pave filler at 5 rear of anti-filter inclusion enclave, in order to avoid list
Be damaged to TGXG 4 in construction, pave filler when pave by construction machinery direction of advance, filler compaction in layers, return
It is center behind first both sides to fill out and roll order, to control rolling speed, avoid rubbing direction earthwork grille 2 from being laid with to anti-filter inclusion enclave
During 5 half height, the direction earthwork grille 2 of one layer of 2.0-3.0m long, the longitudinal pitch 0.6- of direction earthwork grille 2 are laid with
0.8m；
S5, repeat the above steps, until reaching barricade design height.
In short, the compound reinforcing rib Ecological Retaining Wall of geotechnical grid according to the present invention is composite reinforced including some geotechnical grids
Layer, the composite reinforced layer of geotechnical grid is first is laid with one layer of geotechnical grid and filler is placed in cell compartment, in geotechnical grid after leveling
Filler above bag returned using unidirectional TGXG, finally in adjacent composite reinforced layer intermediate arrangement direction earthwork grille, unidirectionally
TGXG returns pack arrangement, and grass-seed can be sowed in anti-filter inclusion enclave or is intercutted, direction earthwork grille is arranged in return backpack body after,
Among adjacent composite reinforced layer, to avoid adjacent composite reinforced interlamellar spacing it is excessive and cause local instability situation occur, energy
Enough it is effectively improved barricade stability, you can larger lateral restriction, the displacement after banketing on rear side of limitation barricade are provided, and can be expired
Foot ecology and landscape requirement.
Claims (8)
- A kind of 1. compound reinforcing rib Ecological Retaining Wall of geotechnical grid, it is characterised in that：Including the barricade list filled successively from bottom to top Member, retaining wall units include the geotechnical grid for being laid on bottom（1）, unidirectional TGXG（4）, at least one layer of anti-filter inclusion enclave（5）、 Direction earthwork grille（2）With fill layer, the geotechnical grid（1）The filler top surface inside filled is laid with unidirectional TGXG（4）, instead Filter inclusion enclave（5）It is placed in unidirectional TGXG（4）The above and unidirectional TGXG（4）Return bag anti-filter inclusion enclave（5）, unidirectional soil Work grid（4）Return packet portion end and be located at geotechnical grid（1）The filler top surface inside filled, geotechnical grid（1）Top is to fill layer, Fill the height and anti-filter inclusion enclave of layer（5）Height it is identical, fill and direction earthwork grille be laid with the middle part of layer（2）.
- 2. the compound reinforcing rib Ecological Retaining Wall of geotechnical grid according to claim 1, it is characterised in that：The geotechnical grid （1）Surrounding is by means of staple（3）It is fixed, geotechnical grid（1）Laying longitudinal pitch is 0.6-0.8m, geotechnical grid（1）Inside fill Filler be sandstone mixture, the particle diameter of sandstone mixture is less than 5cm, and filling compaction degree is not less than 93%.
- 3. the compound reinforcing rib Ecological Retaining Wall of geotechnical grid according to claim 2, it is characterised in that：The unidirectional geotechnological lattice Grid（4）Laying length is 2.5-3.0m, unidirectional TGXG（4）Free end be located at geotechnical grid（1）The filler top inside filled Middle face and free end is by means of staple（3）It is fixed, unidirectional TGXG（4）Bag segment length of returning be not less than 2m.
- 4. the compound reinforcing rib Ecological Retaining Wall of geotechnical grid according to claim 3, it is characterised in that：The anti-filter inclusion enclave （5）Cobble is pressed from both sides for bagged sand, grass-seed is broadcasted sowing in bagged sand folder cobble, bagged sand folder cobble is formed instead along barricade length direction pile Filter inclusion enclave（5）.
- A kind of 5. compound reinforcing rib Ecological Retaining Wall construction method of geotechnical grid, it is characterised in that：Include the following steps：S1, earth excavation, pour barricade rigid strip foundation；Earth excavation uses mechanical excavation, and hand fit brushes slope, clear bottom, and to prevent substrate from backbreaking disturbance, it is native that slot bottom reserves 30cm Layer excavated by manual work removes, and after being excavated to design altitude, manual cleaning leveling, carries out foundation bearing capacity experiment, if actual measurement bearing capacity is not up to To design requirement, should be handled by foundation stabilization designing scheme；Placement layer by layer metope rigid strip foundation after the completion of basement process；S2, be laid with geotechnical grid（1）, and fill geotechnical grid（1）Interior filler；S3, unidirectional grid return bag construction；S4, arrangement two-way grille；S5, repeat the above steps, until reaching barricade design height.
- 6. the compound reinforcing rib Ecological Retaining Wall construction method of geotechnical grid according to claim 5, it is characterised in that：The step Rapid S2 includes：1. first geotechnical grid is opened in tensioning completely（1）, it is close to sub-layer and paves, fixed geotechnical grid is followed closely with U-shaped steel muscle（1） Surrounding, geotechnical grid（1）It is laid with longitudinal pitch 0.6-0.8m；2. geotechnical grid（1）It is laid with after completing, fills geotechnical grid（1）Interior filler, geotechnical grid（1）Interior filler is maximum Particle diameter is not more than 5cm, and it is 25cm-30cm that every layer of filler void, which fills out thickness, is rolled after filler leveling, filling compaction degree is not less than 93%。
- 7. the compound reinforcing rib Ecological Retaining Wall construction method of geotechnical grid according to claim 6, it is characterised in that：The step Rapid S3 includes：1. geotechnical grid（1）Interior filler surface evening；Unidirectional TGXG is placed 2. reducing（4）, unidirectional TGXG（4）Tensioning is straight, tightens, unidirectional TGXG（4）Paving Manually tensed if length 2.5-3.0 m, after the completion of laying and straightening, TGXG free end are solid with U-shaped nail every 1.0-1.5 m It is fixed；3. the bagged sand for having sowed grass-seed is pressed from both sides into cobble loaded filter as anti-filter inclusion enclave（5）, place layer 2-3 anti-filter inclusion enclave （5）, anti-filter inclusion enclave（5）Along barricade length direction pile；4. unidirectional TGXG（4）Bag is returned, with unidirectional TGXG（4）Beyond anti-filter inclusion enclave（5）Part reversely coats anti-filter Inclusion enclave（5）, unidirectional TGXG（4）Diffraction length is not less than 2.0m.
- 8. the compound reinforcing rib Ecological Retaining Wall construction method of geotechnical grid according to claim 7, it is characterised in that：The step Rapid S4 includes：Unidirectional TGXG（4）After returning bag, in anti-filter inclusion enclave（5）Rear paves filler, in order to avoid unidirectional geotechnological lattice Grid（4）Be damaged in construction, pave filler when pave by construction machinery direction of advance, filler compaction in layers, backfill rolls Order is central, direction earthwork grille behind first both sides（2）It is laid with to anti-filter inclusion enclave（5）During half height, one layer of 2.0- is laid with The direction earthwork grille of 3.0m long（2）, direction earthwork grille（2）Longitudinal pitch 0.6-0.8m.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108897974A (en) * | 2018-07-27 | 2018-11-27 | 中国电建集团贵州电力设计研究院有限公司 | A kind of analysis method of geotechnical grid barricade deformation |
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| CN108897974A (en) * | 2018-07-27 | 2018-11-27 | 中国电建集团贵州电力设计研究院有限公司 | A kind of analysis method of geotechnical grid barricade deformation |
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| CN109235156A (en) * | 2018-09-19 | 2019-01-18 | 中铁二院工程集团有限责任公司 | Bilateral Cantilever Retaining Wall pop-up is wrapped up to pull-type reinforced earth railroad embankment structure |
| CN109235157A (en) * | 2018-09-19 | 2019-01-18 | 中铁二院工程集团有限责任公司 | Soft base U-type groove basis package is soaked to pull-type reinforced earth railroad embankment structure |
| CN110158641A (en) * | 2019-05-14 | 2019-08-23 | 中北大学 | A kind of compound retaining wall of anchor pole reinforcement and construction method |
| CN110158641B (en) * | 2019-05-14 | 2024-04-26 | 中北大学 | Anchor rod reinforced composite retaining wall and construction method |
| CN114875956A (en) * | 2022-05-13 | 2022-08-09 | 江苏科技大学 | Anti-bulging large-deformation turn-up tread reinforced retaining wall and construction method |
| CN114875956B (en) * | 2022-05-13 | 2024-03-26 | 江苏科技大学 | Anti-bulge large-deformation reinforced retaining wall with re-bulge tread and construction method |
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