CN107882062A - Massif hillside fields is based on gravity type and the compound Retaining wall method of Fill Reinforced With Geogrids - Google Patents
Massif hillside fields is based on gravity type and the compound Retaining wall method of Fill Reinforced With Geogrids Download PDFInfo
- Publication number
- CN107882062A CN107882062A CN201711238710.8A CN201711238710A CN107882062A CN 107882062 A CN107882062 A CN 107882062A CN 201711238710 A CN201711238710 A CN 201711238710A CN 107882062 A CN107882062 A CN 107882062A
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- Prior art keywords
- retaining wall
- pile
- geogrids
- gsz
- gravity type
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Classifications
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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
-
- 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
-
- 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
- E02D29/0258—Retaining or protecting walls characterised by constructional features
- E02D29/0275—Retaining or protecting walls characterised by constructional features cast in situ
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/36—Concrete or concrete-like piles cast in position ; Apparatus for making same making without use of mouldpipes or other moulds
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0084—Geogrids
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The present invention relates to a kind of massif hillside fields to be based on gravity type and the compound Retaining wall method of Fill Reinforced With Geogrids, and it comprises the following steps：A, antiskid pile driving construction：Friction pile is uniformly arranged along the foundation position line being pre-positioned；Breast boards is installed B,：Breast boards is arranged on the inside of friction pile, blocks the space between adjacent friction pile；C, smooth filled foundation：Ground and original state slopes binding site are excavated into stepped first；Secondly cleaning GSZ pave in the range of foundation soil；Finally changed using reinforced earth and fill out Ground Treatment；D, GSZ is laid；E, repeat step D is until barrier wall structure designed elevation.The present invention is improved barricade bearing capacity, prevents barricade horizontal displacement, both met barricade requirement for bearing capacity, saved construction costs again, meet green ecological environmental requirement by friction pile and breast boards.
Description
Technical field
The invention belongs to massif hillside fields retaining wall construction field, more particularly to a kind of massif hillside fields is based on gravity type and geotechnique
The compound Retaining wall method of grid reinforcement.
Background technology
Retaining wall abbreviation barricade, refer to support Roadbed Soil or the hillside soil body, prevent from banketing or the structure of soil deformation unstability
The divine force that created the universe.Soil lateral pressure can be resisted, for supporting natural side slope or Artificial Side-slope, keeps the building of soil stabilization.Earth-retaining
The current common form of wall has two kinds：Gravity retaining wall and earth work grille reinforced retaining wall.
Gravity retaining wall be with retaining wall self gravitation come maintain retaining wall soil pressure effect under stabilization.It is me
A kind of currently used retaining wall of state.Gravity retaining wall available block stone, slabstone, concrete precast block are as masonry, or use
Piece stone concrete, concrete carry out one-piece casting.Its advantages of is to gather materials on the spot, easy for construction, good economical benefit.So weight
Power formula retaining wall is widely used in the engineerings such as China railways, highway, water conservancy, bay, mine.But due to gravity type
Retaining wall maintains balance and stability by deadweight, and therefore, volume, weight are all big, are built on soft foundation and suffer from bearing capacity
Limitation.If wall is too high, its consuming material is more, also uneconomical.When ground is preferable, retaining wall is highly little, locally has again available
During building stones, gravity retaining wall should be selected first.
Earth work grille reinforced retaining wall because of its convenient and quick construction, the construction period can be shortened, and be widely applied.
Yielding but earth work grille reinforced retaining wall bearing capacity is relatively low, long-term slope is also easy to produce horizontal displacement through rain drop erosion.
The content of the invention
For above-mentioned technical problem, it is an object of the invention to provide a kind of massif hillside fields to be based on gravity type and GSZ
The compound Retaining wall method of reinforcement, the present invention improve barricade bearing capacity, prevent barricade horizontal position by friction pile and breast boards
Move, both met barricade requirement for bearing capacity, save construction costs again, meet green ecological environmental requirement.
To achieve the above object, the technical solution used in the present invention is：
A kind of massif hillside fields is based on gravity type and the compound Retaining wall method of Fill Reinforced With Geogrids, it is characterised in that it includes following
Step：
A, antiskid pile driving construction：Friction pile is uniformly arranged along the foundation position line being pre-positioned；
Breast boards is installed B,：Breast boards is arranged on the inside of friction pile, blocks the space between adjacent friction pile；
C, smooth filled foundation：Ground and original state slopes binding site are excavated into stepped first；Secondly cleaning GSZ
Foundation soil in the range of paving；Finally changed using reinforced earth and fill out Ground Treatment；
D, GSZ is laid：First, the absolute altitude of filler, flatness, compactness are checked；Secondly, lay GSZ, and with ground
It is fixed between base soil using U-shaped card slot；Again, in GSZ termination pile mesh pocket, and GSZ anti-package is used
It is fixed；Finally, filler is filled on the inside of mesh pocket；
E, repeat step D is until barrier wall structure designed elevation.
The friction pile pile body, which excavates to jump using Spiral digging machine, excavates stake holes, then carries out stake holes wall of hole, then carries out pile body
Fabrication of reinforcing cage and installation, antiskid pile concrete is finally poured by artificial formwork.
The friction pile is square pile structure type, using C30 reinforced concrete structures；Adjacent antiskid pile center spacing is
6m, a height of 9.8m of stake, sectional dimension 1.5m*1.5m are interior with bearing rod, cage bar, tie hoop.
The breast boards is C30 concrete cast-in-place slabs, the long 6m of plate, high 0.6m, thick 0.4m.
The GSZ is the EG90R GSZs of HDPE material, is connected between GSZ using pitman.
The vertical spacing of GSZ is 60cm.
The mesh pocket pile width is not more than 0.5m, is highly 0.6m.
Plant soil is loaded in the mesh pocket and is easily survived, the grass-seed of root system length, grass-seed is spread by 20m2/kg standard
Dissipate.
The mesh pocket is the high-strength bar planting bags of NF.
The barricade is two layers, and centre is provided with packway, and the packway gradient is 5%.
The invention has the advantages that：The present invention improves barricade bearing capacity, anti-backstop by friction pile and breast boards
Wall horizontal displacement, barricade requirement for bearing capacity was both met, and had saved construction costs again, meet green ecological environmental requirement.The present invention is logical
Friction pile and breast boards are crossed, to resist Geogrid Reinforced Soil Retaining Wall horizontal loading, the stress in the soil body is effectively spread, about
Shu Tuti lateral deformation, while can also be increased considerably frictional force between the soil body and other materials, pass through frictional force
Its tensile strength and soil body compression strength are combined, substantially increase the resistance to overturning of barricade.Therefore massif slope is improved
Ground construction barricade security and economy.The invention belongs to reinforced ecological revetment, enhances the durability of barricade, preferably protects
The stability of bank protection body.The present invention is combined construction with the greenings such as alien earth sparging operation, easily forms green landscape, can be well
It is harmonious with periphery natural environment.
Brief description of the drawings
Fig. 1 is massif hillside fields based on the schematic diagram after the completion of gravity type and the compound Retaining wall of Fill Reinforced With Geogrids.
Fig. 2 is the position relationship of friction pile and breast boards（Overlook）Schematic diagram.
Fig. 3 is the partial schematic diagram at compound barricade reinforced slope in the present invention.
Fig. 4 is the partial schematic diagram at compound barricade packway in the present invention.
Brief description of the drawings：1- friction piles；2- breast boards；3- grounds；4- GSZs；5- fillers；6- foundation position lines；7- horses
Road；8- mesh pockets；9- pitmans.
Embodiment
For a better understanding of the present invention, technical scheme is done further with reference to embodiment and accompanying drawing
Explanation（As Figure 1-4）.
A kind of massif hillside fields is based on gravity type and the compound Retaining wall method of Fill Reinforced With Geogrids, and it comprises the following steps：
A, antiskid pile driving construction：Friction pile 1 is uniformly arranged along the foundation position line 6 being pre-positioned；
The pile body of friction pile 1, which excavates to jump using Spiral digging machine, excavates stake holes, then carries out stake holes wall of hole, then carries out pile body reinforcing bar
Cage makes and installation, finally pours antiskid pile concrete by artificial formwork.
The friction pile 1 is square pile structure type, using C30 reinforced concrete structures；The adjacent center spacing of friction pile 1 is
6m, a height of 9.8m of stake, sectional dimension 1.5m*1.5m are interior with bearing rod, cage bar, tie hoop.
Breast boards is installed B,：Breast boards 2 is arranged on the inner side of friction pile 1, blocks the space between adjacent friction pile 1；
The breast boards 2 is C30 concrete cast-in-place slabs（Breast boards 2 carries out reinforcing bar colligation, model sheetinstallat by design requirement segmentation,
Segmentation pours completion）, the long 6m of plate, high 0.6m, thick 0.4m.
C, smooth filled foundation：（According to design drawing and live soil property situation）Ground 3 is combined with original state slopes first
Excavate stepped in position（To increase interface friction）；Secondly cleaning GSZ 4 pave in the range of the soil of ground 3（By ground
Sharp object or hard thing in the soil of base 3, also tree root, turf, peat etc. are all excavated, and prevent GSZ to be damaged）；Most
Changed afterwards using reinforced earth and fill out Ground Treatment；
D, GSZ is laid：First, check（GSZ will lay layer）The absolute altitude of filler, flatness, compactness；Its
It is secondary, GSZ 4 is laid, and be fixed between foundation soil using U-shaped card slot（Because the massif gradient is larger, adopt accordingly
Necessary reinforcement measure is taken, i.e. neck is configured for 1m*1m）；Again, in the termination pile mesh pocket 8 of GSZ 4, and
Fixed using the anti-package of GSZ 4；Finally, in the inner side of mesh pocket 8 filling filler 5；
The GSZ 4 is the EG90R GSZs of HDPE material, is connected between GSZ 4 using pitman 9.
The 4 vertical spacing of GSZ is 60cm, and the spacing of the superiors' GSZ 4 can be adjusted suitably（It cannot be greater than
60cm）To ensure that basic unit is seated on grid, 5 ~ 12m of reinforced length, anti-package length 1m.
The pile width of mesh pocket 8 is not more than 0.5m, is highly 0.6m.
Plant soil is loaded in the mesh pocket 8 and is easily survived, the grass-seed of root system length, grass-seed is spread by 20m2/kg standard
Dissipate（So as to the following protection surface layer grid material that smoothly grows grass）.
The mesh pocket 8 is the high-strength bar planting bags of NF（The ecology synthesis material of i.e. a kind of high-strength uvioresistant freeze thawing resistance acid and alkali-resistance
Material, it is that raw material making needle punched non-woven fabrics are process ecology bag by polypropylene, built-in reinforced earth, is mainly used in building flexible life
State side slope）.
The barricade is two layers, and centre is provided with packway 7, and the gradient of packway 7 is 5%.
E、（According to the barricade gradient 1:0.5 design requirement is come）Repeat step D is until barrier wall structure designed elevation（And slope
Degree）.
The right model described above for being only the Application Example of the present invention, the present invention can not being limited with this certainly
Enclose, therefore the equivalence changes made according to scope of the present invention patent, still belong to protection scope of the present invention.
Claims (10)
1. a kind of massif hillside fields is based on gravity type and the compound Retaining wall method of Fill Reinforced With Geogrids, it is characterised in that it include with
Lower step：
A, antiskid pile driving construction：Friction pile is uniformly arranged along the foundation position line being pre-positioned；
Breast boards is installed B,：Breast boards is arranged on the inside of friction pile, blocks the space between adjacent friction pile；
C, smooth filled foundation：Ground and original state slopes binding site are excavated into stepped first；Secondly cleaning GSZ
Foundation soil in the range of paving；Finally changed using reinforced earth and fill out Ground Treatment；
D, GSZ is laid：First, the absolute altitude of filler, flatness, compactness are checked；Secondly, lay GSZ, and with ground
It is fixed between base soil using U-shaped card slot；Again, in GSZ termination pile mesh pocket, and GSZ anti-package is used
It is fixed；Finally, filler is filled on the inside of mesh pocket；
E, repeat step D is until barrier wall structure designed elevation.
2. massif hillside fields according to claim 1 is based on gravity type and the compound Retaining wall method of Fill Reinforced With Geogrids, its
It is characterised by：The friction pile pile body, which excavates to jump using Spiral digging machine, excavates stake holes, then carries out stake holes wall of hole, then carries out pile body
Fabrication of reinforcing cage and installation, antiskid pile concrete is finally poured by artificial formwork.
3. massif hillside fields according to claim 2 is based on gravity type and the compound Retaining wall method of Fill Reinforced With Geogrids, its
It is characterised by：The friction pile is square pile structure type, using C30 reinforced concrete structures；Adjacent antiskid pile center spacing is
6m, a height of 9.8m of stake, sectional dimension 1.5m*1.5m are interior with bearing rod, cage bar, tie hoop.
4. massif hillside fields according to claim 3 is based on gravity type and the compound Retaining wall method of Fill Reinforced With Geogrids, its
It is characterised by：The breast boards is C30 concrete cast-in-place slabs, the long 6m of plate, high 0.6m, thick 0.4m.
5. massif hillside fields according to claim 1 is based on gravity type and the compound Retaining wall method of Fill Reinforced With Geogrids, its
It is characterised by：The GSZ is the EG90R GSZs of HDPE material, is connected between GSZ using pitman.
6. massif hillside fields is based on gravity type and the compound Retaining wall method of Fill Reinforced With Geogrids according to claim 1 or 5,
It is characterized in that：The vertical spacing of GSZ is 60cm.
7. massif hillside fields according to claim 1 is based on gravity type and the compound Retaining wall method of Fill Reinforced With Geogrids, its
It is characterised by：The mesh pocket pile width is not more than 0.5m, is highly 0.6m.
8. massif hillside fields according to claim 1 is based on gravity type and the compound Retaining wall method of Fill Reinforced With Geogrids, its
It is characterised by：Plant soil is loaded in the mesh pocket and is easily survived, the grass-seed of root system length, grass-seed is spread by 20m2/kg standard
Dissipate.
9. the massif hillside fields according to claim 1,7 or 8 is based on gravity type and the compound Retaining wall side of Fill Reinforced With Geogrids
Method, it is characterised in that：The mesh pocket is the high-strength bar planting bags of NF.
10. massif hillside fields according to claim 1 is based on gravity type and the compound Retaining wall method of Fill Reinforced With Geogrids, its
It is characterised by：The barricade is two layers, and centre is provided with packway, and the packway gradient is 5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711238710.8A CN107882062A (en) | 2017-11-30 | 2017-11-30 | Massif hillside fields is based on gravity type and the compound Retaining wall method of Fill Reinforced With Geogrids |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711238710.8A CN107882062A (en) | 2017-11-30 | 2017-11-30 | Massif hillside fields is based on gravity type and the compound Retaining wall method of Fill Reinforced With Geogrids |
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| Publication Number | Publication Date |
|---|---|
| CN107882062A true CN107882062A (en) | 2018-04-06 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711238710.8A Pending CN107882062A (en) | 2017-11-30 | 2017-11-30 | Massif hillside fields is based on gravity type and the compound Retaining wall method of Fill Reinforced With Geogrids |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108442404A (en) * | 2018-05-07 | 2018-08-24 | 宁波大学 | Assembled composite ecotype retaining wall and its construction method |
| WO2021164432A1 (en) * | 2020-02-20 | 2021-08-26 | 中铁二院工程集团有限责任公司 | Method for improving anti-sliding and anti-overturning safety of existing balanced-weight retaining wall |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108442404A (en) * | 2018-05-07 | 2018-08-24 | 宁波大学 | Assembled composite ecotype retaining wall and its construction method |
| WO2021164432A1 (en) * | 2020-02-20 | 2021-08-26 | 中铁二院工程集团有限责任公司 | Method for improving anti-sliding and anti-overturning safety of existing balanced-weight retaining wall |
| JP2023514619A (en) * | 2020-02-20 | 2023-04-06 | 中鉄二院工程集団有限責任公司 | Methods for improving the anti-skid and anti-tip safety of existing counterweight retaining walls |
| JP7427102B2 (en) | 2020-02-20 | 2024-02-02 | 中鉄二院工程集団有限責任公司 | Methods for improving the anti-slip and anti-fall safety of existing counterweight retaining walls |
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Application publication date: 20180406 |