CN209066477U - The multistage assembled cantilevered reinforced earth bulkhead of green - Google Patents
The multistage assembled cantilevered reinforced earth bulkhead of green Download PDFInfo
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- CN209066477U CN209066477U CN201821527921.3U CN201821527921U CN209066477U CN 209066477 U CN209066477 U CN 209066477U CN 201821527921 U CN201821527921 U CN 201821527921U CN 209066477 U CN209066477 U CN 209066477U
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- earth bulkhead
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Abstract
The multistage assembled cantilevered reinforced earth bulkhead of green effectively reduces the horizontal displacement of wall top to adapt to higher embankment engineering, is conducive to limit subgrade deformation, improves slope stability, and can reach the environment protecting for covering short wall back, green side slope by slope vegetation protection.By step classification setting cantilevered reinforced earth bulkhead on the embankment soil body, cantilevered reinforced earth bulkheads at different levels are formed by armored concrete cantilever retaining wall segment is horizontally-spliced, step is formed between the top of next stage cantilevered reinforced earth bulkhead and the bottom of upper one group of cantilevered reinforced earth bulkhead, between the top and embankment soil body slope surface of most upper formation grade cantilevered reinforced earth bulkhead, plantation green plants forms greenbelt in step；The adjacent two armored concrete cantilever retaining wall segment of cantilevered reinforced earth bulkhead at the same level is formed by connected structure and is connected；Layering setting TGXG formula lacing wire in the embankment soil body, the outer end of each TGXG formula lacing wire is fixedly connected with the armstand of corresponding cantilevered reinforced earth bulkhead.
Description
Technical field
The utility model relates to Cantilever Retaining Wall, in particular to one kind is banketed higher, can favorably control subgrade deformation, side slope
The assembled cantilevered reinforced earth bulkhead of stable multistage.
Background technique
With the rapid development of national economic development, mountain railway will be more and more with highway engineering.High-fill roadbed exists
It is very common in road engineering in a mountainous area construction, in land used limitation strictly or in the lower situation of foundation bearing capacity, Cantilever Retaining Wall
(L-type barricade) is a kind of common retaining structure.
Current specifications regulation, traditional cantilever retaining wall height are not preferably greater than 6m.Meanwhile in pressure and the vehicle lotus of banketing
Under load effect, horizontal deflection on the top of wall is generally large, especially more significant under dynamic seismic effect, thus roadbed can be caused to generate
Relatively large sedimentation and deformation.
Traditional cantilever retaining wall has the disadvantage that: wall height is no more than 6m, it is difficult to be suitable for higher embankment engineering；Wall
It is relatively large to push up horizontal displacement, it is unfavorable to roadbed Deformation control under long-term operation state；Cantilever height is larger to cause wall to bear
Biggish moment of flexure and shearing；It can only carry out cast-in-place, work progress is relatively complicated；It is difficult to realize the entirety of the roadbed side slope of institute's supporting and retaining system
Afforestation effect.
Similar structure has two-stage stack-type Cantilever Retaining Wall, multistage Gravity Retaining Wall and step reinforced earth gear both at home and abroad at present
Wall.Two-stage stack-type Cantilever Retaining Wall does not set platform between two-stage wall, is unfavorable for the overall stability of side slope, and be also not easy to
Carry out slope vegetation protection.Multistage Gravity Retaining Wall quantity of masonry is larger, and higher to embankment requirement for bearing capacity, can only use cast-in-place side
Formula, work progress be not quick.Step reinforced earth bulkhead has the advantages that light-duty shatter-proof, but overall structure resistance capacity to deformation
It is relatively weak.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of multistage assembled cantilevered reinforced earth bulkhead of green, with
Higher embankment engineering is adapted to, the horizontal displacement of wall top is effectively reduced, is conducive to limit subgrade deformation, improves slope stability,
And the environment protecting for covering short wall back, green side slope can be reached by slope vegetation protection.
It is as follows that the utility model solves technical solution used by its technical problem:
The assembled cantilevered reinforced earth bulkhead of multistage green of the utility model, it is characterized in that: pressing step on the embankment soil body
Formula classification setting cantilevered reinforced earth bulkhead, cantilevered reinforced earth bulkheads at different levels are by armored concrete cantilever retaining wall segment cross
To being spliced, between the top of next stage cantilevered reinforced earth bulkhead and the bottom of upper one group of cantilevered reinforced earth bulkhead, most
Step is formed between the top and embankment soil body slope surface of upper formation grade cantilevered reinforced earth bulkhead, plants green plants in step
Form greenbelt；The adjacent two armored concrete cantilever retaining wall segment of cantilevered reinforced earth bulkhead at the same level passes through connected structure
Form connection；Layering setting TGXG formula lacing wire in the embankment soil body, the outer end of each TGXG formula lacing wire and corresponding cantilever
The armstand of formula reinforced earth bulkhead is fixedly connected.
The connected structure is the company being vertically arranged at intervals on the armstand end face of armored concrete cantilever retaining wall segment
Connect the reinforcing bar formula connecting pin in hole insertion connecting hole.
The beneficial effects of the utility model are embodied in following several respects:
One, it is adapted to the higher embankment engineering of 8m or more, the moment of flexure and shearing of wall receiving can be effectively reduced；
Two, wall is laid using step, the horizontal displacement of wall top can be effectively reduced, be more advantageous to the change of control roadbed
Shape；
Three, platform is set before barricades at different levels, not only facilitates raising slope stability, but also can be on platform upper berths at different levels
If vegetation, the environment protecting for covering short wall back, green side slope is reached by slope vegetation protection；
Four, the light-duty sectional of wall body structure is prefabricated, and can be used pin-connected panel construction, autocrane can lifting construction,
It is not only lower to ground requirement for bearing capacity, and work progress is quick, reduces the interference to ambient enviroment, and has good anti-
Pinking, this is advantage not available for multistage Gravity Retaining Wall.
Detailed description of the invention
This specification includes following four width attached drawing:
Fig. 1 is the cross-section diagram of the assembled cantilevered reinforced earth bulkhead of the multistage green of the utility model；
Fig. 2 is armored concrete cantilever retaining wall section in the assembled cantilevered reinforced earth bulkhead of the multistage green of the utility model
The end view drawing of section；
Fig. 3 is armored concrete cantilever retaining wall section in the assembled cantilevered reinforced earth bulkhead of the multistage green of the utility model
The end view drawing of section；
Fig. 4 is the partial top view of the assembled cantilevered reinforced earth bulkhead of the multistage green of the utility model.
Component and corresponding label: armored concrete cantilever retaining wall segment 10, armstand 11, toe of wall plate are shown in figure
12, wall heel slab 13, tenon 14, wall top 15, connecting hole 16, reinforcing bar formula connecting pin 17, the embankment soil body 20, TGXG formula lacing wire
21, step 22, water proof clay layer 23, concrete precast block 24, greenbelt 25.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to Fig.1, the assembled cantilevered reinforced earth bulkhead of multistage green of the utility model, presses step on the embankment soil body 20
Formula classification setting cantilevered reinforced earth bulkhead, cantilevered reinforced earth bulkheads at different levels are by armored concrete cantilever retaining wall segment 10
It is horizontally-spliced to form, between the top of next stage cantilevered reinforced earth bulkhead and the bottom of upper one group of cantilevered reinforced earth bulkhead,
Most upper one forms formation step 22 between 20 slope surface of top and the embankment soil body of grade cantilevered reinforced earth bulkhead, plantation in step 22
Green plants forms greenbelt 25.The adjacent two armored concrete cantilever retaining wall segment 10 of cantilevered reinforced earth bulkhead at the same level
It is formed and is connected by connected structure.Layering setting TGXG formula lacing wire 21, each TGXG formula lacing wire 21 in the embankment soil body 20
Outer end be fixedly connected with the armstand 11 of corresponding cantilevered reinforced earth bulkhead.
Referring to Fig. 2,10 one-piece casting of armored concrete cantilever retaining wall segment forms armstand 11,12 and of toe of wall plate
Wall heel slab 13.It referring to Figure 1 and Figure 3, can be in armored concrete cantilevered earth-retaining for the cantilevered reinforced earth bulkhead of most next stage
Tenon 14 is set on wall segment 10, i.e., downwardly convex tenon 14 is being set close to 11 side of armstand on the bottom surface of wall heel slab 13.And
The above cantilevered reinforced earth bulkheads at different levels do not set tenon 14 generally.The height of every level-one cantilevered reinforced earth bulkhead (push up by armstand 11
Face is to toe of wall plate 12,13 bottom surface of wall heel slab) it is generally 2-2.2m.
Referring to Fig. 2 and Fig. 3, the connected structure is vertically to be arranged at intervals on armored concrete cantilever retaining wall segment 10
The reinforcing bar formula connecting pin 17 in connecting hole 16 and insertion connecting hole 16 on 11 end face of armstand.
Referring to Fig. 3, the step 22 be located at next stage cantilevered reinforced earth bulkhead 11 back side of armstand and upper one group of cantilever
Between 12 front end face of toe of wall plate of formula reinforced earth bulkhead.Referring to Fig.1, water proof clay layer 23, platform is arranged in the bottom of the step 22
The laterally spaced insertion concrete precast block 24 in 22 top of rank, concrete precast block 24 and neighbouring two-stage cantilevered reinforced earth
Barricade is connected, in backfilling planting soil in step 22 between adjacent concrete prefabricated section 24.
Referring to Fig.1, the TGXG formula being arranged in the cantilevered reinforced earth bulkhead wall behind embankment soil body at different levels 20 is drawn
Muscle 21 is two layers or three layers, to limit horizontal deflection on the top of wall and improve the overall stability of road structure.
The assembled cantilevered reinforced earth bulkhead of the multistage green of the utility model is a kind of Novel retaining wall structure, and total is not
Only it is adapted to higher embankment engineering, moreover it is possible to effectively reduce the moment of flexure and shearing of wall receiving；Wall is laid using step,
The horizontal displacement that wall top can be effectively reduced is more advantageous to the deformation of control roadbed；The lacing wire of TGXG formula is set in upper wall body,
Horizontal deflection on the top of wall can effectively be limited and improve the overall stability of roadbed；Platform is set between neighbouring two-stage barricade, is laid with
Greenbelt not only facilitates and improves roadbed side slope stability, but also can be reached by greenbelt vegetation covering short wall back,
Afforest the environment protecting of roadbed side slope.
Some originals of the assembled cantilevered reinforced earth bulkhead of the multistage green of the utility model that only explains through diagrams described above
Reason is not intended to shown in being confined to the utility model and in the specific structure and the scope of application, therefore all possibility
The corresponding modification being utilized and equivalent, belong to the applied the scope of the patents of the utility model.
Claims (7)
1. the multistage assembled cantilevered reinforced earth bulkhead of green, it is characterized in that: by step classification setting on the embankment soil body (20)
Cantilevered reinforced earth bulkhead, cantilevered reinforced earth bulkheads at different levels are horizontally-spliced by armored concrete cantilever retaining wall segment (10)
It forms, between the top of next stage cantilevered reinforced earth bulkhead and the bottom of upper one group of cantilevered reinforced earth bulkhead, a most upper shape
Step (22) are formed between the top and the embankment soil body (20) slope surface of grade cantilevered reinforced earth bulkhead, plantation is green in step (22)
Color plant forms greenbelt (25)；The adjacent two armored concrete cantilever retaining wall segment of cantilevered reinforced earth bulkhead at the same level
(10) it is formed and is connected by connected structure；The layering setting lacing wire of TGXG formula (21), each TGXG in the embankment soil body (20)
The outer end of formula lacing wire (21) is fixedly connected with the armstand (11) of corresponding cantilevered reinforced earth bulkhead.
2. the assembled cantilevered reinforced earth bulkhead of multistage green as described in claim 1, it is characterized in that: the armored concrete is outstanding
Arm-type retaining wall segment (10) one-piece casting forms armstand (11), toe of wall plate (12) and wall heel slab (13).
3. the assembled cantilevered reinforced earth bulkhead of multistage green as claimed in claim 2, it is characterized in that: the wall heel slab (13)
Downwardly convex tenon (14) are being set close to armstand (11) side on bottom surface.
4. the assembled cantilevered reinforced earth bulkhead of multistage green as claimed in claim 2 or claim 3, it is characterized in that: the connected structure
For the connecting hole (16) being vertically arranged at intervals on armored concrete cantilever retaining wall segment (10) armstand (11) end face and insert
Enter the reinforcing bar formula connecting pin (17) in connecting hole (16).
5. the assembled cantilevered reinforced earth bulkhead of multistage green as described in claim 1, it is characterized in that: the step (22) is located at
Toe of wall plate (12) front end at armstand (11) back side of next stage cantilevered reinforced earth bulkhead and upper one group of cantilevered reinforced earth bulkhead
Between face.
6. the assembled cantilevered reinforced earth bulkhead of multistage green as claimed in claim 5, it is characterized in that: the bottom of the step (22)
Water proof clay layer (23) are arranged in portion, the laterally spaced insertion concrete precast block (24) in step (22) top, concrete precast block
(24) it is connected with neighbouring two-stage cantilevered reinforced earth bulkhead, between adjacent concrete prefabricated section (24) in step (22)
Backfill planting soil.
7. the assembled cantilevered reinforced earth bulkhead of multistage green as described in claim 1, it is characterized in that: the cantilevered at different levels adds
The TGXG formula lacing wire (21) being arranged in the muscle Tu Dangqiangqiang behind embankment soil body (20) is two layers or three layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821527921.3U CN209066477U (en) | 2018-09-18 | 2018-09-18 | The multistage assembled cantilevered reinforced earth bulkhead of green |
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| CN201821527921.3U CN209066477U (en) | 2018-09-18 | 2018-09-18 | The multistage assembled cantilevered reinforced earth bulkhead of green |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109235486A (en) * | 2018-09-18 | 2019-01-18 | 中铁二院工程集团有限责任公司 | The multistage assembled cantilevered reinforced earth bulkhead of green |
| CN111119229A (en) * | 2019-11-01 | 2020-05-08 | 中铁二院工程集团有限责任公司 | Multi-stage reinforced retaining wall comprehensive protection system suitable for large-scale waste slag yard and stability checking and calculating method and construction method thereof |
| CN112982653A (en) * | 2021-03-17 | 2021-06-18 | 中冶建工集团有限公司 | Construction method of mountain-based building stable structure |
-
2018
- 2018-09-18 CN CN201821527921.3U patent/CN209066477U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109235486A (en) * | 2018-09-18 | 2019-01-18 | 中铁二院工程集团有限责任公司 | The multistage assembled cantilevered reinforced earth bulkhead of green |
| CN111119229A (en) * | 2019-11-01 | 2020-05-08 | 中铁二院工程集团有限责任公司 | Multi-stage reinforced retaining wall comprehensive protection system suitable for large-scale waste slag yard and stability checking and calculating method and construction method thereof |
| CN112982653A (en) * | 2021-03-17 | 2021-06-18 | 中冶建工集团有限公司 | Construction method of mountain-based building stable structure |
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