CN110374133A - It is a kind of to wrap up in face earth-retaining wall construction method suitable for sand soil - Google Patents
It is a kind of to wrap up in face earth-retaining wall construction method suitable for sand soil Download PDFInfo
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- CN110374133A CN110374133A CN201910535050.2A CN201910535050A CN110374133A CN 110374133 A CN110374133 A CN 110374133A CN 201910535050 A CN201910535050 A CN 201910535050A CN 110374133 A CN110374133 A CN 110374133A
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- face
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- retaining wall
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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
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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
Face earth-retaining wall construction method is wrapped up in suitable for sand soil the present invention provides a kind of, to prevent sand from revealing, using face retaining wall is wrapped up in, is wrapped up in barricade bread with geotextile；To solve the problems, such as sand no adhesion, easy glide, the face retaining wall of wrapping up in is made up of multiple layers, every layer is banketed with a thickness of 50mm-300mm, including geotextile, chiltern, and every layer has a piece of geotextile, every layer of geotextile is divided into main block face, upper retaining surface, lower retaining surface by region, geotextile gos deep into the firm section of the soil body and the active earth pressure of sand sliding area is transferred to firm section by frictional force, the self-balancing being finally reached inside sand forms a firm entirety；Interim groove profile template and temporary baffle are used cooperatively in construction.Groove profile template and temporary baffle can be wooden or irony, keep stress distribution uniform when can be fixed temporarily, tamp soil.
Description
Technical field
The present invention relates to Construction of Civil Engineering fields, and in particular to a kind of to wrap up in face retaining wall and construction suitable for sand soil
Method.
Background technique
The material that retaining wall bankets is firm one of the key condition of retaining wall, and existing banketing for retaining wall selection is mostly
The cohesive soil that cohesive strength is big, internal friction angle is big.Because sand does not have cohesive strength, internal friction angle is small, is very easy to sand leakage, landslide,
It bankets so retaining wall construction generally avoids being used as using sandy soil.An emergency situation is encountered needs interim masonry retaining wall, and just
When not closely being suitable for the cohesive soil to banket (for example dykes and dams are temporarily built on riverbank, and the soil that nearby can use is sand soil), it is existing
Retaining wall arrangement and method for construction just show its defect.It in addition, also can not be by building earth-retaining for the sand for needing neatly to stack
The method of wall is stacked.
Summary of the invention
The object of the present invention is to it is insufficient to solve the prior art, propose that a kind of face retaining wall of wrapping up in suitable for sand soil is applied
The firm stacking of sand soil may be implemented in work method, can be used for sand soil area and gather materials on the spot quickly to build side slope, dykes and dams etc.
Deng, it can also be used to the stacking of sand soil itself stores.
In order to reach the goals above, the technical solution used in the present invention is as follows: a kind of to wrap up in face earth-retaining suitable for sand soil
Wall construction method, it is characterised in that: to prevent sand from revealing, using face retaining wall is wrapped up in, wrapped up in barricade bread with geotextile；For
Solve the problems, such as that sand no adhesion, easy glide, the face retaining wall of wrapping up in are made up of multiple layers, every layer with a thickness of 50mm-300mm, including
Geotextile, chiltern are banketed, and every layer has a piece of geotextile, and every layer of geotextile is divided into main block face, upper retaining surface, lower block by region
Face, geotextile go deep into the firm section of the soil body and the active earth pressure of sand sliding area are transferred to firm section, most by frictional force
Reach the self-balancing inside sand eventually, forms a firm entirety；In construction with the use of interim groove profile template and temporarily
Baffle.Groove profile template and temporary baffle can be wooden or irony, keep stress distribution uniform when can be fixed temporarily, tamp soil.
The construction method includes following construction procedure:
(1) interim groove profile template is used, massif is leaned against and consolidates area or wall support, forms three face baffles in region to be built
As interim groove profile template (3), opening face is main block face to be built；Baffle is used to be fixed on three face baffles as interim block face
Opening face prepares to be laid with first layer retaining wall geotextiles.
(2) geotextiles are adjacent to interim block face inner wall with L shape to lay flat, are operated as follows: the lower retaining surface of geotextiles is tiled,
Remainder is turned down, perpendicular to lower retaining surface, is adjacent to interim block face inner wall.
(3) back-up sand soil is slightly higher to than this layer main block face height, and the rear portion front Tu Zaitian, compacting soil are first filled out when banketing.
(4) geotextiles upper retaining surface is turned down, perpendicular to main block face, is straightened and is laid in top of banketing.
(5) it is laid with the lower retaining surface of next layer of geotextiles；Step (2)-(4) are repeated, until banketing to layer second from the bottom.
(6) be laid with the last layer when, banket to be fixed into the upper retaining surface of top layer, by upper retaining surface embedment banket in without
It is to be laid on top of banketing.
(7) finally, removing temporary baffle and interim groove profile template, interim groove profile template is translated, repeats above step, until
It builds to required length.
Further, the visual physical length of face retaining wall of wrapping up in once builds completion, or is alternately arranged using groove profile mould
Plate forms long dam body, and long dam body both ends should set supporting and retaining system.
Further, the method for the compacting soil of step (3) is as follows: sand being laid with flat, is placed on and is banketed with one piece of plank
Plank is rammed using the weight of 50-150kg with 30-120 beats/min of frequency in surface, rams 0.5 minute or more, until plank
It often hits 10 falling heads and is less than high 2% of this layer of main block face, take plank away.
Further, the concrete operations of step (6) are as follows: back-up sand soil to 1/3 layer of height is paved, compacting；Continue to banket, it will
Sand concentration is filled out in front at main block face, and a slope that the front is high and the back is low is formed, and plank inclination is laid on surface of banketing,
Compacting soil；It takes plank away, geotextiles upper retaining surface is turned down, is straightened on the slope for being laid in compacting；Continuation is banketed at rear, until
Slope is filled and led up, native face is slightly above the layer height, paves, and tamps.
Further, it for short-term, gib, can directly construct according to above step, for the earth-retaining of long service
Wall should reserve drainage hole on block face.
The present invention is designed by reasonable DESIGN OF RETAINING WALLS, construction procedure, be can also be used as sand soil and is banketed, and is realized steady
Gu stacking, it can be used for sand soil area and gather materials on the spot quickly to build side slope, dykes and dams etc., it can also be used to the stacking of sand soil itself
Storage has many advantages, such as that filler gathers materials on the spot, saves cost, facilitating that construction, occupied area are few, structure is beautiful.
Detailed description of the invention
Fig. 1 is that the present invention constitutes schematic diagram；
Fig. 2 is construction procedure figure of the present invention；
Fig. 3 is the operation chart when present invention is laid with geotextiles；
Fig. 4 is retaining wall final structure sectional view.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it should be appreciated that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.The implementation condition being not specified is usually the condition in routine experiment.
The embodiment is used for the interim neat stacking of construction site sand, and sand is deposited in corner, wraps up in face retaining wall by 5
Layer is constituted, every layer with a thickness of 100mm, including geotextiles 1, chiltern banket 2, and every layer of geotextiles is a piece of, and folding is divided into main block face 1-
1, upper retaining surface 1-2, lower retaining surface 1-3.It is used cooperatively interim groove profile template 3 and temporary baffle 4 in construction, groove profile template 3 and is faced
When baffle 4 can be wooden or irony.
Including following Specific construction step:
(1) interim groove profile template 3 is used, forms three face baffles in region to be built, opening face is main block face to be built.
The visual physical length of wall once builds completion, or is alternately arranged and forms long dam body using groove profile template.With wooden or irony etc.
Baffle is fixed on the opening face of three face baffles as interim main block face, prepares to be laid with first layer retaining wall geotextiles 1.Such as Fig. 2
Step is 1..
(2) geotextiles 1 are adjacent to interim main block face inner wall with L shape to lay flat, operate as follows: the lower retaining surface of geotextiles is put down
Paving, remainder is turned down, and perpendicular to lower retaining surface, is adjacent to interim main block face inner wall.2. such as the step of Fig. 2.
(3) back-up sand soil is slightly higher to than this layer main block face height.3. such as the step of Fig. 2.It is first filled out when banketing before rear portion soil fills out again
Portion, compacting soil.The method for tamping soil is as follows: sand being laid with flat, is placed on surface of banketing with one piece of plank, uses 50-150kg
Weight, plank is rammed with 30-120 beats/min of frequency, is rammed 0.5 minute or more, until plank often hits 10 falling heads
Less than 2mm, plank is taken away.
(4) geotextiles upper retaining surface is turned down, perpendicular to main block face, is straightened and is laid in top of banketing.4. such as the step of Fig. 2.
(5) it is laid with the lower retaining surface of next layer of geotextiles.Step (2)-(4) are repeated, until the 4th layer of laying is completed.Such as Fig. 2
The step of 5..
(6) be laid with layer 5 when, banket to be fixed into the upper retaining surface of top layer, should by upper retaining surface be embedded to banket in without
It is to be laid on top of banketing.Concrete operations are as follows: back-up sand soil to 1/3 layer of height is paved, compacting；Continue to banket, sand concentration is filled out
In front at main block face, a slope that the front is high and the back is low is formed, 7. such as the step of Fig. 2；Plank inclination is laid on and is banketed
Surface, compacting soil；It takes plank away, geotextiles upper retaining surface is turned down, is straightened on the slope for being laid in compacting, 8. such as the step of Fig. 2；
Continuation is banketed at rear, until slope is filled and led up, native face is slightly above the layer height, is paved, and is tamped, 9. such as the step of Fig. 2.
(7) finally, removing temporary baffle and groove profile template, retaining wall block face is stablized, and amount of deflection is in controlled range.If having needs
Continuous retaining wall is built, groove profile template is translated, repeats above step, until building to required length.
The embodiment is interim stacking sand scheme, can directly be constructed according to above step, it should be noted that for long service
Retaining wall, drainage hole should be reserved on block face, otherwise underground water may be intercepted and influence the stabilization of wall.
The present invention is described in detail above, is only presently preferred embodiments of the present invention described in above embodiments, is used for
It facilitates the understanding of the method and its core concept of the invention, its object is to allow the personage for being familiar with this field technology that can understand this hair
Bright content is simultaneously implemented accordingly, and it is not intended to limit the scope of the present invention.Made by all Spirit Essences according to the present invention
Any modification, equivalence changes or improvement, are covered by the protection scope of the present invention.
Claims (7)
1. a kind of wrap up in face earth-retaining wall construction method suitable for sand soil, it is characterised in that: the face retaining wall of wrapping up in is made up of multiple layers, often
Layer bankets (2) with a thickness of 50mm-300mm, including geotextile (1), chiltern, and every layer has a piece of geotextile, and every layer of geotechnique knits
Object is divided into main block face (1-1), upper retaining surface (1-2), lower retaining surface (1-3) by region；Interim groove profile template is used cooperatively in construction
(3) and temporary baffle (4).
2. a kind of face earth-retaining wall construction method is wrapped up in suitable for sand soil according to claim 1, it is characterised in that: interim
Groove profile template (3) and the material of temporary baffle (4) are wooden or irony.
3. according to claim 1 a kind of face earth-retaining wall construction method is wrapped up in suitable for sand soil, it is characterised in that including
Following construction procedure:
(1) interim groove profile template is used, massif is leaned against and consolidates area or wall support, forms three face baffle conducts in region to be built
Interim groove profile template (3), opening face are main block face to be built；Baffle is used to be fixed on the opening of three face baffles as interim block face
Face prepares to be laid with first layer retaining wall geotextiles.
(2) geotextiles are adjacent to interim block face inner wall with L shape to lay flat, are operated as follows: the lower retaining surface of geotextiles being tiled, will be remained
Remaining part point fold, perpendicular to lower retaining surface, is adjacent to interim block face inner wall.
(3) back-up sand soil is slightly higher to than this layer main block face height, and the rear portion front Tu Zaitian, compacting soil are first filled out when banketing.
(4) geotextiles upper retaining surface is turned down, perpendicular to main block face, is straightened and is laid in top of banketing.
(5) it is laid with the lower retaining surface of next layer of geotextiles；Step (2)-(4) are repeated, until banketing to layer second from the bottom.
(6) it when being laid with the last layer, bankets, upper retaining surface is embedded in banketing rather than spreads to be fixed into the upper retaining surface of top layer
It is located at top of banketing.
(7) finally, removing temporary baffle and interim groove profile template, interim groove profile template is translated, repeats above step, until construction
To required length.
4. a kind of face earth-retaining wall construction method is wrapped up in suitable for sand soil according to claim 1, it is characterised in that described
It wraps up in the visual physical length of face retaining wall and once builds completion, or be alternately arranged and form long dam body, long dam body two using groove profile template
End should set supporting and retaining system.
5. a kind of face earth-retaining wall construction method is wrapped up in suitable for sand soil according to claim 3, it is characterised in that step
(3) method of compacting soil is as follows: sand being laid with flat, is placed on surface of banketing with one piece of plank, uses the weight of 50-150kg
Hammer, rams plank with 30-120 beats/min of frequency, rams 0.5 minute or more, until the falling head that plank often hits 10 times is less than
This layer of main block face it is high 2%, take plank away.
6. a kind of face earth-retaining wall construction method is wrapped up in suitable for sand soil according to claim 3, it is characterised in that step
(6) concrete operations are as follows: back-up sand soil to 1/3 layer of height is paved, compacting；Continue to banket, sand concentration is filled out in front close to main
At block face, a slope that the front is high and the back is low is formed, plank inclination is laid on surface of banketing, compacting soil；Take plank away, it will be geotechnological
The fold of cloth upper retaining surface, is straightened on the slope for being laid in compacting；Continuation is banketed at rear, until slope is filled and led up, native face is slightly above
The layer height, is paved, compacting.
7. according to claim 3 a kind of face earth-retaining wall construction method is wrapped up in suitable for sand soil, which is characterized in that for
In short term, gib can directly construct according to above step, and for the retaining wall of long service, draining should be reserved on block face
Hole.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910535050.2A CN110374133A (en) | 2019-06-20 | 2019-06-20 | It is a kind of to wrap up in face earth-retaining wall construction method suitable for sand soil |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910535050.2A CN110374133A (en) | 2019-06-20 | 2019-06-20 | It is a kind of to wrap up in face earth-retaining wall construction method suitable for sand soil |
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| CN110374133A true CN110374133A (en) | 2019-10-25 |
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| CN104790429A (en) * | 2015-04-09 | 2015-07-22 | 重庆大学 | Integral prestress reinforced earth retaining wall construction method |
| US9493923B1 (en) * | 2015-12-31 | 2016-11-15 | Stanley M. Miller | Internally braced geosynthetic wrapped system for constructing stabilized-earth walls and slopes |
| CN107780436A (en) * | 2017-09-26 | 2018-03-09 | 湖南大学 | Geogrid Reinforced Earth Retaining Wall and construction method based on architecture sediment |
| CN108277778A (en) * | 2018-01-22 | 2018-07-13 | 中交四航局港湾工程设计院有限公司 | A kind of filling mud bag supports compound fill structure and filling mud bag fill construction method |
| CN208748665U (en) * | 2018-08-02 | 2019-04-16 | 浙江交工集团股份有限公司 | Wide ecological slope protection structure is spelled suitable for long and narrow space |
-
2019
- 2019-06-20 CN CN201910535050.2A patent/CN110374133A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100774610B1 (en) * | 2006-07-07 | 2007-11-09 | 강석조 | Soil-sack for reinforced soil wall and slope |
| CN104790429A (en) * | 2015-04-09 | 2015-07-22 | 重庆大学 | Integral prestress reinforced earth retaining wall construction method |
| US9493923B1 (en) * | 2015-12-31 | 2016-11-15 | Stanley M. Miller | Internally braced geosynthetic wrapped system for constructing stabilized-earth walls and slopes |
| CN107780436A (en) * | 2017-09-26 | 2018-03-09 | 湖南大学 | Geogrid Reinforced Earth Retaining Wall and construction method based on architecture sediment |
| CN108277778A (en) * | 2018-01-22 | 2018-07-13 | 中交四航局港湾工程设计院有限公司 | A kind of filling mud bag supports compound fill structure and filling mud bag fill construction method |
| CN208748665U (en) * | 2018-08-02 | 2019-04-16 | 浙江交工集团股份有限公司 | Wide ecological slope protection structure is spelled suitable for long and narrow space |
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Application publication date: 20191025 |