CN207959260U - Reinforced earth bulkhead with deformation buffer area - Google Patents
Reinforced earth bulkhead with deformation buffer area Download PDFInfo
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- CN207959260U CN207959260U CN201721724676.0U CN201721724676U CN207959260U CN 207959260 U CN207959260 U CN 207959260U CN 201721724676 U CN201721724676 U CN 201721724676U CN 207959260 U CN207959260 U CN 207959260U
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- buffer area
- deformation buffer
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- reinforced earth
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Abstract
The utility model discloses a kind of reinforced earth bulkheads with deformation buffer area, the retaining wall is provided with deformation buffer area between package reinforcing body and shingle nail, set deformation buffer area is alternately pressed by deformation buffer area TGXG and graded broken stone floor, and deformation buffer area TGXG is connect with package reinforcing body TGXG and shingle nail respectively, the metope distortion caused by reinforced earth body soil lateral pressure acts on can effectively be buffered, the setting in deformation buffer area not only avoids reinforced earth body thereafter and is in direct contact with shingle nail, and deformation buffer area is earth structure, to forming effectively buffering caused by reinforced earth body soil lateral pressure, to further reduce metope horizontal displacement and wall top sedimentation, the deformation buffer area has both drain function simultaneously.
Description
Technical field
The utility model is related to Retaining Structures technical field more particularly to a kind of reinforced earth gears with deformation buffer area
Wall.
Background technology
Reinforced earth bulkhead is strong with globality, saving occupation of land, shape neat appearance, shock resistance is good, adaptive deformation ability is strong,
Many advantages, such as easy construction, low cost, thus be increasingly being applied in the Engineering Project Constructions such as road, railway, water conservancy,
Bring larger economic and social benefit.Currently used reinforced earth bulkhead type includes：Packaged reinforced soil retaining wall, module
Formula reinforced earth bulkhead, the board-like reinforced earth bulkhead of integral cast-in-situ concrete, Ge Binshi reinforced earth bulkheads etc..
For this point supporting system of reinforced earth bulkhead, control deformation is crucial.Reinforced earth retaining wall structure metope
It is interconnected to form constraint system between muscle material, limits earth horizontal displacement.Existing reinforced earth bulkhead reinforced earth body directly with
Shingle nail is in contact, and the soil lateral pressure that reinforced earth body generates directly acts on shingle nail, and metope occurred level is made to deform.If water
Flat deformation is excessive, on the one hand influences the safety and stability of structure, on the other hand can induce barricade and generate excessive sedimentation, influencing engineering makes
With.In order to rationally and effectively reduce the horizontal distortion of metope, can be arranged between reinforced earth body and shingle nail certain thickness
Buffering area will then effectively reduce metope horizontal position the horizontal distortion caused by reinforced earth body soil lateral pressure into row buffering
It moves.It is therefore necessary to design a kind of new reinforced earth bulkhead pattern, reinforced earth gear is further decreased by the way that deformation buffer area is arranged
Wall horizontal distortion and Vertical Settlement ensure the stabilization of reinforced earth bulkhead.
Invention content
The technical problem to be solved by the utility model is to provide a kind of reinforced earth bulkheads with deformation buffer area, pass through
Deformation buffer area is set between wrapping up reinforcing body knead dough floor, set deformation buffer area by deformation buffer area TGXG and
Graded broken stone layer alternately presses, and by deformation buffer area TGXG respectively with package reinforcing body TGXG and metope
Plate connects, and can effectively buffer the metope distortion caused by reinforced earth body soil lateral pressure acts on.
In order to solve the above technical problems, technical solution adopted in the utility model is：It is a kind of with deformation buffer area
Reinforced earth bulkhead, including face floor, deformation buffer area and package reinforcing body, the deformation buffer area is earth structure, by deforming
Buffering area TGXG and graded broken stone layer alternately press, and described deformation buffer area TGXG one end is by thickening cross rib
It is attached between precast concrete module and with face layer, the other end passes through the first pitman and package reinforcing body geotechnique
Grid is connected.
The face layer is formed by precast concrete module laid dry.
The package reinforcing body includes reinforced earth body and rubble soil engineering bag, wraps up reinforcing body TGXG from rubble soil engineering bag
It is passed through under bottom surface, rubble soil engineering bag is wrapped up in then reversed inflection, and passes through with the package reinforcing body TGXG on upper layer
Two pitmans are connected, and the reinforced earth body is alternately pressed by packing layer and package reinforcing body TGXG.
Described filler layer is gravelly soil filler.
Deformation buffer area TGXG and package reinforcing body TGXG are all made of Unidirectional stretched plastic geogrid.
Weeper drain is set in the package reinforcing body, and the face layer setting PVC drain pipe, face layer lower end is equipped with item
Shape panel basis, bar shaped panel basis is reinforced concrete structure, and precast concrete module upper surface opens up bar shaped
Bar shaped convex block is arranged in groove, lower surface, and the thickening cross rib is placed in strip groove, and the bar shaped of upper layer precast concrete module is convex
Block is inserted into the strip groove of lower layer's precast concrete module, and is pressed on cross rib is thickeied in strip groove.
It is using advantageous effect caused by above-mentioned technical proposal：Reinforced earth bulkhead with deformation buffer area is wrapping
It wraps up in setting deformation buffer area, the setting in deformation buffer area between reinforcing body knead dough floor and not only avoids reinforced earth body thereafter and metope
Plate is in direct contact, and deformation buffer area is earth structure, due to the interaction between muscle soil, to lateral by reinforced earth body
Deformation caused by soil pressure forms effectively buffering, to further limit deformation of wall, therefore effectively reduces metope level
Displacement and wall top sedimentation.This style of reinforced earth bulkhead has overall stiffness big, and deformation is small, and adaptive deformation ability is strong, anti-impact
Brush ability is strong, and shock resistance is good, can form the steeper gradient and higher wall height, Economization on land, easy construction, quick,
Many advantages, such as shape is neat, beautiful, low cost.Meanwhile deformation buffer area also has drain function.
Description of the drawings
Fig. 1 is the section structure diagram of the utility model；
Fig. 2 is the auspicious figure in part of Fig. 1；
Fig. 3 is that deformation buffer area TGXG connect auspicious figure with shingle nail；
Fig. 4 is that deformation buffer area TGXG cross rib thickeies schematic diagram；
Wherein：1, face layer；2, deformation buffer area；3, reinforcing body is wrapped up；4, rubble soil engineering bag；5, deformation buffer area geotechnique's lattice
Grid；6, reinforcing body TGXG is wrapped up；7, weeper drain；8, PVC drain pipe；9, reinforced earth body；10, packing layer；11, prefabricated mixed
Solidifying clay model block；12, bar shaped panel basis；13, cross rib is thickeied；14, the first pitman；15, the second pitman；16, screw.
Specific implementation mode
With reference to the attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that and described embodiment is only a part of the embodiment of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Many details are elaborated in the following description in order to fully understand the utility model, but this practicality is new
Type can also be implemented using other different from other manner described here, and those skilled in the art can be without prejudice to this reality
With doing similar popularization in the case of novel intension, therefore the utility model is not limited by following public specific embodiment.
As shown in Figs 1-4, the utility model discloses a kind of reinforced earth bulkhead with deformation buffer area, including face layer 1,
Deformation buffer area 2 and package reinforcing body 3, the deformation buffer area 2 is earth structure, by 5 He of deformation buffer area TGXG
Graded broken stone layer alternately presses, and TGXG 5 one end in the deformation buffer area is embedded in concrete by thickening cross rib 13
It is attached between clay model block 11 and with face layer, the other end passes through the first pitman 14 and package 6 phase of reinforcing body TGXG
Even.
The face layer 1 is formed by 11 laid dry of precast concrete module.
The package reinforcing body 3 includes reinforced earth body 9 and rubble soil engineering bag 4, wraps up reinforcing body TGXG 6 from gravelly soil
Work bag passes through under bottom surface, and rubble soil engineering bag 4 is wrapped up in then reversed inflection, and with the package reinforcing body TGXG 6 on upper layer
Be connected by the second pitman 15, the reinforced earth body 9 by packing layer 10 and package reinforcing body TGXG 6 alternately pressing and
At.
Described filler layer 10 is gravelly soil filler.
Deformation buffer area TGXG 5 and package reinforcing body TGXG 6 are all made of simple tension plastic civil engineering lattice
Grid.
Weeper drain 7 is set in the package reinforcing body 3, and PVC drain pipe 8,1 lower end of the face layer is arranged in the face layer 1
Equipped with bar shaped panel basis 12, bar shaped panel basis 12 is reinforced concrete structure, in the precast concrete module 11
Surface opens up strip groove, and bar shaped convex block is arranged in lower surface, and the thickening cross rib 13 is placed in strip groove, upper layer concrete
The bar shaped convex block of clay model block 11 is inserted into the strip groove of lower layer's precast concrete module 11, and is pressed on bar shaped by cross rib 13 is thickeied
In groove.
Deformation buffer area is arranged in this pattern reinforced earth bulkhead between wrapping up reinforcing body knead dough floor, and deformation buffer area is set
It sets and not only avoids reinforced earth body thereafter and be in direct contact with shingle nail, and deformation buffer area is earth structure, to by reinforcement
Deformation caused by soil body soil lateral pressure forms effectively buffering, to further reduce metope horizontal displacement and wall top sedimentation.
This style of reinforced earth bulkhead has overall stiffness big, and deformation is small, and adaptive deformation ability is strong, and erosion resistibility is strong, shock resistance
It is good, the steeper gradient and higher wall height can be formed, Economization on land is easy construction, quick, and shape is neat, beautiful, makes
The plurality of advantages such as valence is low.Meanwhile deformation buffer area also has drain function.
The Construction of Reinforced Earth Retaining Walls method with deformation buffer area involved by the utility model is as follows, in reinforced earth bulkhead
Before construction, basic earthwork excavation, the construction of basement process and bar shaped panel basis 12, the construction on bar shaped panel basis 12 are first carried out
Including prefabricated bar shaped panel basic module is piled up to design position in ground top surface or carries out bar shaped face in designated position
The cast-in-place construction on plate basis 12, completes the construction of progress reinforced earth bulkhead after above-mentioned work, and concrete construction method includes following step
Suddenly：
S1, backfill to the basic 12 top surface absolute altitudes of panel and are compacted；
S2, deformation buffer area TGXG 5 is cut as required, it is prefabricated mixed with first layer after one end cross rib is thickeied
The thickening cross rib 13 is pressed in the groove of bar shaped panel basis top surface by solidifying clay model block 11；
S3, first layer TGXG 6 in package reinforcing body is cut as required, pass through the with deformation buffer area TGXG 5
One pitman 14 is connected and reserves length needed for reversed reverse, deformation buffer area TGXG 5 and package reinforcing body soil
Volume length direction is expanded and is tensed perpendicular to sideline, smooth-going when work grid 6 is laid with, and fold cannot occurs, then in package reinforcing body
It is fixed in the soil body every the U-shaped nails of 1.5-2.0 m in TGXG 6；
In S4, package reinforcing body, first layer rubble soil engineering bag 4 is placed on first layer package reinforcing body TGXG 6,
It wraps up at the 6 reversed inflection of reinforcing body TGXG；Fill 2 first layer filler of 9 first layer filler of reinforced earth body and deformation buffer area
And be compacted, package 6 reversed inflection of reinforcing body TGXG, which is wrapped rubble soil engineering bag 4, to be placed on first layer filler, is spread
If the second layer is added the TGXG of reversed inflection and second layer package with the second pitman 15 after wrapping up reinforcing body TGXG 6
Muscle body TGXG 6 is connected, while second layer deformation buffer area TGXG 5 is wrapped up reinforcing body with panel and the second layer respectively
TGXG 6 is connected；
S5, tension is applied to package reinforcing body TGXG 6 with tensioning beam, deformation buffer area TGXG and package is made to add
Muscle body TGXG is tightened, while inflection turn-up section TGXG being made to tighten；While keeping tensioning, equally in laying
It is fixed in soil, then discharges stretching force and removes every the U-shaped nails of 1.5-2.0 m in two layers of package reinforcing body TGXG 6
Tensioning beam fills second layer deformation buffer area and package reinforcing body filler；
S6, above step is repeated until completing whole fill constructions；
S7, top deformation buffer area TGXG 5 and package reinforcing body TGXG 6 are answered long enough and are embedded in and banket down
Face, guarantee banket and can provide enough restraining forces with permanent anchoring TGXG；
The PVC drain pipe 8 that S8, metope are arranged is connected to deformation buffer area, is arranged in blossom type by design spacing, most next
Row's drainpipe should be higher than that ground.
The construction method increases the construction in deformation buffer area, shingle nail, change during existing Construction of Reinforced Earth Retaining Walls
Shape buffering area and package reinforcing body three parts construct simultaneously, deformation buffer area TGXG respectively with wrap up reinforcing body TGXG
And shingle nail is connected, easy construction, not only effectively improves the supporting effect of barricade, but also can ensure construction efficiency.
Claims (6)
1. a kind of reinforced earth bulkhead with deformation buffer area, including face layer（1）, deformation buffer area（2）With package reinforcing body
（3）, it is characterised in that：The deformation buffer area（2）For earth structure, by deformation buffer area TGXG（5）It is broken with grading
Rock layers alternately press, deformation buffer area TGXG（5）One end is by thickening cross rib（13）Embedded in precast concrete
Module（11）Between and with face layer be attached, the other end passes through the first pitman（14）With package reinforcing body TGXG（6）
It is connected.
2. the reinforced earth bulkhead according to claim 1 with deformation buffer area, it is characterised in that：The face layer（1）By
Precast concrete module（11）Laid dry forms.
3. the reinforced earth bulkhead according to claim 1 with deformation buffer area, it is characterised in that：The package reinforcing body
（3）Including reinforced earth body（9）With rubble soil engineering bag（4）, wrap up reinforcing body TGXG（6）It is worn under rubble soil engineering bag bottom surface
It crosses, then reversed inflection is by rubble soil engineering bag（4）Package, and with the package reinforcing body TGXG on upper layer（6）Connect by second
It takes over the baton（15）It is connected, the reinforced earth body（9）By packing layer（10）With package reinforcing body TGXG（6）Alternating presses.
4. the reinforced earth bulkhead according to claim 3 with deformation buffer area, it is characterised in that：Described filler layer（10）
For gravelly soil filler.
5. the reinforced earth bulkhead according to claim 1 or 3 with deformation buffer area, it is characterised in that：The deformation is slow
Rush area's TGXG（5）With package reinforcing body TGXG（6）It is all made of Unidirectional stretched plastic geogrid.
6. the reinforced earth bulkhead with deformation buffer area according to any one of claim 1-3, it is characterised in that：Institute
State package reinforcing body（3）Interior setting weeper drain（7）, the face layer（1）PVC drain pipe is set（8）, the face layer（1）Lower end
Equipped with bar shaped panel basis（12）, the bar shaped panel basis（12）For reinforced concrete structure, the precast concrete module
（11）Upper surface opens up strip groove, and bar shaped convex block, the thickening cross rib is arranged in lower surface（13）It is placed in strip groove, upper layer
Precast concrete module（11）Bar shaped convex block be inserted into lower layer precast concrete module（11）Strip groove in, and will thicken horizontal
Rib（13）It is pressed in strip groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721724676.0U CN207959260U (en) | 2017-12-12 | 2017-12-12 | Reinforced earth bulkhead with deformation buffer area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721724676.0U CN207959260U (en) | 2017-12-12 | 2017-12-12 | Reinforced earth bulkhead with deformation buffer area |
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| CN207959260U true CN207959260U (en) | 2018-10-12 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107869152A (en) * | 2017-12-12 | 2018-04-03 | 石家庄铁道大学 | Reinforced earth bulkhead and its construction method with deformation buffer area |
| CN110318417A (en) * | 2019-06-21 | 2019-10-11 | 岳阳建设工程集团有限公司 | A kind of architectural engineering of green non-pollution earth-retaining wall construction method |
| CN112281637A (en) * | 2020-11-04 | 2021-01-29 | 武汉大学 | Anti-seismic wall reinforced earth abutment and construction method thereof |
| CN114150700A (en) * | 2022-02-10 | 2022-03-08 | 中国长江三峡集团有限公司 | Concrete block for reinforced retaining wall and connecting method thereof |
-
2017
- 2017-12-12 CN CN201721724676.0U patent/CN207959260U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107869152A (en) * | 2017-12-12 | 2018-04-03 | 石家庄铁道大学 | Reinforced earth bulkhead and its construction method with deformation buffer area |
| CN110318417A (en) * | 2019-06-21 | 2019-10-11 | 岳阳建设工程集团有限公司 | A kind of architectural engineering of green non-pollution earth-retaining wall construction method |
| CN110318417B (en) * | 2019-06-21 | 2021-08-10 | 岳阳建设工程集团有限公司 | Green and pollution-free retaining wall construction method for building engineering |
| CN112281637A (en) * | 2020-11-04 | 2021-01-29 | 武汉大学 | Anti-seismic wall reinforced earth abutment and construction method thereof |
| CN114150700A (en) * | 2022-02-10 | 2022-03-08 | 中国长江三峡集团有限公司 | Concrete block for reinforced retaining wall and connecting method thereof |
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