CN108678001A - A kind of box-type retaining wall - Google Patents
A kind of box-type retaining wall Download PDFInfo
- Publication number
- CN108678001A CN108678001A CN201810897593.4A CN201810897593A CN108678001A CN 108678001 A CN108678001 A CN 108678001A CN 201810897593 A CN201810897593 A CN 201810897593A CN 108678001 A CN108678001 A CN 108678001A
- Authority
- CN
- China
- Prior art keywords
- box
- retaining wall
- type retaining
- relieving slab
- rear baffle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002689 soil Substances 0.000 claims abstract description 78
- 238000005192 partition Methods 0.000 claims description 19
- 238000005266 casting Methods 0.000 claims description 9
- 240000002853 Nelumbo nucifera Species 0.000 claims description 4
- 235000006508 Nelumbo nucifera Nutrition 0.000 claims description 4
- 235000006510 Nelumbo pentapetala Nutrition 0.000 claims description 4
- 239000011150 reinforced concrete Substances 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 239000004567 concrete Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000037396 body weight Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- 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
Abstract
The present invention provides a kind of box-type retaining wall, including underlying bottom plate, front apron affixed with bottom plate and positioned at front, rear baffle that is affixed with bottom plate and being located behind, and the top plate being located above, the top plate and front apron and rear baffle are affixed, the bottom plate, front apron, rear baffle, and top plate surrounds the empty van body with cavity, backfill is filled in the cavity, the box-type retaining wall further includes the relieving slab extended along the longitudinal direction, the front end of the relieving slab and the middle part of rear baffle are affixed, the rear end of the relieving slab extends to after wall in the soil body, the soil body is located at the rear of rear baffle after the wall.Hollow box type retaining wall of the present invention, the rear end of its relieving slab extends to after wall in the soil body, so that the soil body below the relieving slab to this box-type retaining wall apply in the horizontal direction on soil pressure greatly reduce, and make this box-type retaining wall stronger to the blocking capability of the soil body after wall, stability higher.
Description
Technical field
The present invention relates to a kind of retaining walls, more particularly to a kind of box-type retaining wall.
Background technology
Retaining wall is common soil-retaining structure in engineering, for supporting the lateral pressure of soil or other loose materials, with
It prevents slight slope or unstable rock mass ruptures and slide downward.With the modernization development of society, project scale is more and more huger, needs
Protect the slight slope height of supporting and retaining system also higher and higher, this proposes challenge to common retaining structure.Common barricade such as cantilever
Formula, gravity type, counterfort wall, due to being limited by its structure and material, when earth-retaining height increases, barricade itself is done disconnected
Face size is big, and consumptive material is more, and in addition barricade base stress is uneven, and maximum base stress is more than allowable bearing capacity of foundation soil and easily causes ground
Base unstability；Be normally applied height be 8m hereinafter, not being suitable for higher side slope.Common empty van barricade be Cantilever Retaining Wall into
Change version, supporting and retaining system height is generally 8~30m, though structure save by force of gravity formula, and it is economical not enough, do not give full play to
The performance of material, there is also base stress unevenness, maximum base stress easily causes foundation instability more than allowable bearing capacity of foundation soil
Disadvantage.It is therefore desirable to develop, a kind of force structure is more excellent, and more securely and reliably, more economically, earth-retaining height is higher novel
Load retaining wall empty van barrier wall structure.
Invention content
In view of the foregoing deficiencies of prior art, the technical problem to be solved in the present invention is to provide a kind of stability more
High box-type retaining wall.
To achieve the above object, the present invention provides a kind of box-type retaining wall, including underlying bottom plate and bottom plate are consolidated
Connect and positioned at the front apron in front, with bottom plate is affixed and the rear baffle being located behind and the top plate being located above, the top plate with
Front apron and rear baffle are affixed, and the bottom plate, front apron, rear baffle and top plate surround the empty van body with cavity, the cavity
In be filled with backfill, the box-type retaining wall further includes the relieving slab extended along the longitudinal direction, the front end of the relieving slab
Affixed with the middle part of rear baffle, the rear end of the relieving slab extends to after wall in the soil body, and the soil body is located at rear baffle after the wall
Rear.
Further, the box-type retaining wall, further include positioned at relieving slab lower section floor, and the floor with unload
Lotus plate and rear baffle are affixed.
Further, the bottom plate has the base plate extension to extend back, and the floor and base plate extension are affixed.
Further, the relieving slab has the relieving slab extension to extend back, and the relieving slab extension is front and back
It is located at the rear of base plate extension on direction.
Further, the floor has multiple, and whole floors are spaced apart in left-right direction.
Further, partition board is installed, the partition board is solid with bottom plate, front apron, rear baffle and top plate in the cavity
It connects.
Further, the partition board has multiple, and whole partition boards are spaced apart in left-right direction.
Further, the bottom plate, front apron, rear baffle, top plate and relieving slab are all made of reinforced concrete structure, and bottom
Plate, front apron, rear baffle, top plate and relieving slab are molded using one-piece casting.
Further, the backfill uses cohesive soil or sandy soil.
Further, the rear end of the relieving slab extends to after wall at the soil wedge sliding surface of the soil body.
As described above, box-type retaining wall of the present invention, has the advantages that：
Hollow box type retaining wall of the present invention, the rear end of relieving slab are extended to after wall in the soil body, to be carried using relieving slab
The soil body, the part soil body i.e. right over the relieving slab after the wall of part are played, and the gravity of the part soil body is passed through into rear baffle
Empty van body is passed to, not only enhances the anti-slide performance and stability of box-type retaining wall in this way, and immediately below relieving slab
The pressure that the soil body will not be applied by the soil body right over relieving slab with its gravity so that the soil being located at below relieving slab
Body to this box-type retaining wall apply in the horizontal direction on soil pressure greatly reduce so that this box-type retaining wall institute
The total earth pressure received greatly reduces, and makes this box-type retaining wall stronger to the blocking capability of the soil body after wall, stability higher.
Description of the drawings
Fig. 1 is the structural schematic diagram of hollow box type retaining wall of the present invention.
Fig. 2 be suffered by hollow box type retaining wall of the present invention after wall soil body application in the horizontal direction on geostatic shield shape
Formula schematic diagram.
Fig. 3 be in the prior art after wall suffered by barricade the soil body apply in the horizontal direction on earth pressure profile signal
Figure.
Component label instructions
1 bottom plate, 52 partition board
11 base plate extension, 6 backfill
2 front apron, 7 relieving slab
3 rear baffle, 71 relieving slab extension
The soil body after 4 top plate, 8 wall
500 empty van body, 9 floor
51 cavitys
Specific implementation mode
Illustrate that embodiments of the present invention, those skilled in the art can be by this explanations by particular specific embodiment below
Content disclosed by book understands other advantages and effect of the present invention easily.
It should be clear that structure, ratio, size etc. depicted in this specification attached drawing, only coordinating specification revealed
Content is not limited to the enforceable qualifications of the present invention, therefore does not have so that those skilled in the art understands and reads
Technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing institute's energy of the present invention
Under the effect of generation and the purpose that can reach, the range that can cover in disclosed technology contents should all be still fallen
It is interior.Meanwhile cited such as "upper", "lower", "left", "right", " centre " and " one " term in this specification, it is merely convenient to
Narration is illustrated, rather than to limit the scope of the invention, relativeness is altered or modified, and skill is being changed without essence
It is held in art, when being also considered as the enforceable scope of the present invention.
As shown in Figure 1, the present invention provides a kind of box-type retaining wall, including it is underlying bottom plate 1, affixed with bottom plate 1
And positioned at the front apron 2 in front, with bottom plate 1 is affixed and the rear baffle 3 being located behind and the top plate being located above 4, top plate 4 with
Front apron 2 and rear baffle 3 are affixed, and bottom plate 1, front apron 2, rear baffle 3 and top plate 4 surround the empty van body 500 with cavity 51,
Backfill 6 is filled in cavity 51, box-type retaining wall further includes the relieving slab 7 extended along the longitudinal direction, the front end of relieving slab 7
Affixed with the middle part of rear baffle 3, the rear end of relieving slab 7 extends to after wall in the soil body 8, after the soil body 8 is located at rear baffle 3 after wall
Side.Hollow box type retaining wall of the present invention, the rear end of relieving slab 7 are extended to after wall in the soil body 8, to be carried using relieving slab 7
The soil body 8, the part soil body being located at right over relieving slab 7 after the wall of part, and the gravity of the part soil body is passed through into rear baffle 3
Pass to empty van body 500, not only enhance the anti-slide performance and stability of box-type retaining wall in this way, and positioned at relieving slab 7 just under
The pressure that the soil body of side will not be applied by the soil body right over relieving slab 7 with its gravity so that be located under relieving slab 7
The soil body of side to this box-type retaining wall apply in the horizontal direction on soil pressure greatly reduce, and this box-type retaining wall institute
After by wall the soil body 8 apply in the horizontal direction on the figure of geostatic shield situation such as 2 in shown in a-quadrant and B area, and commonly
After wall suffered by cantilevered, gravity type or empty van formula barricade the soil body 8 apply in the horizontal direction on geostatic shield situation such as 3
It is shown in a-quadrant, B area and the regions C, so that the total earth pressure suffered by this box-type retaining wall greatly reduces, i.e., in figure
It reduces soil pressure shown in the regions C, and makes this box-type retaining wall stronger to the blocking capability of the soil body after wall 8, stability
Higher.
It further include the floor 9 positioned at the lower section of relieving slab 7 as shown in Figure 1, the present embodiment hollow box type retaining wall, and rib
Plate 9 and relieving slab 7 and rear baffle 3 are affixed, to enhance the bonding strength between relieving slab 7 and rear baffle 3 using floor 9.Meanwhile such as
Shown in Fig. 1, the present embodiment bottom plate 1 has the base plate extension 11 to extend back, and floor 9 and base plate extension 11 are affixed.This
The upper end of floor 9 and relieving slab 7 are affixed in embodiment, and the lower end of floor 9 and base plate extension 11 are affixed, the front end of floor 9 with
Rear baffle 3 is affixed, to effectively enhance the bonding strength between relieving slab 7 and empty van body 500.9 groups of above-mentioned relieving slab 7 and floor
At unloading-structure, to utilize the unloading-structure by the soil body weight transmitting above relieving slab 7 to empty van body 500, and avoid
The part soil body weight gives the soil body for being located at 7 lower section of relieving slab to apply pressure.
As shown in Figure 1, relieving slab 7 has the relieving slab extension 71 to extend back, relieving slab extension in the present embodiment
71 are located at the rear of base plate extension 11 in the longitudinal direction, i.e. relieving slab extension 71 is that relieving slab 7 exceeds bottom plate 1 backward
Part to increase effectively the contact area of relieving slab 7 and the soil body 8 after wall, and increases the weight of 7 the carried soil body of relieving slab
Amount, so that the anti-slide performance of this box-type retaining wall is stronger, and suffered total soil pressure is further reduced.Relieving slab
7 rear end extends back remoter, and bigger with the contact area of the soil body after wall 8, depressurization is bigger.And it is unloaded in the present embodiment
The rear end of lotus plate 7 specifically extends to after wall at the soil wedge sliding surface of the soil body 8.
There is multiple floor 9, and whole floors 9 are spaced apart in left-right direction in the present embodiment, to have using multiple floors 9
Bonding strength between effect enhancing relieving slab 7 and empty van body 500, and enhance the support strength to relieving slab 7.
As shown in Figure 1, partition board 52 is installed in the present embodiment hollow cavity 51, partition board 52 and bottom plate 1, front apron 2, rear baffle
3 and top plate 4 it is affixed, to enhance the bonding strength between bottom plate 1, front apron 2, rear baffle 3 and top plate 4 using partition board 52, and have
The integral strength of effect enhancing empty van body 500.Meanwhile partition board 52 has multiple in the present embodiment, and whole partition board 52 is in left-right direction
It is spaced apart, to utilize the integral strength of the effectively enhancing empty van body 500 of multiple partition boards 52.
The present embodiment bottom plate 1, front apron 2, rear baffle 3, top plate 4 and relieving slab 7 are all made of reinforced concrete structure, and
Bottom plate 1, front apron 2, rear baffle 3, top plate 4 and relieving slab 7 are molded using one-piece casting, to ensure relieving slab 7 and rear baffle 3
And there is stronger bonding strength between empty van body 500, and ensure this box-type retaining wall integral strength higher.On in the present embodiment
State the general armored concrete for using thickness as 500mm~1000mm of bottom plate 1.Front apron 2 generally use thickness for 400mm~
The armored concrete of 600mm, and be molded with bottom plate 1 and 52 one-piece casting of partition board.Rear baffle 3 generally use thickness for 400mm~
The armored concrete of 600mm, and be molded with bottom plate 1, partition board 52, floor 9 and 7 one-piece casting of relieving slab.Top plate 4 is generally using thick
Degree is the armored concrete of 300mm~500mm, and is molded with front apron 2 and 3 one-piece casting of rear baffle.Partition board 52 generally uses
Thickness is the armored concrete of 400mm~600mm, and is molded with front apron 2, rear baffle 3 and 1 one-piece casting of bottom plate.This implementation
The spacing of two neighboring partition board 52 is 3m~5m in example.Relieving slab 7 generally uses thickness for the reinforced concrete of 400mm~600mm
Soil, and be molded with rear baffle 3 and 9 one-piece casting of floor；Relieving slab 7 is located at the intermediate near sites of rear baffle 3.In the present embodiment
Floor 9, general thickness be 400mm~600mm armored concrete, and with rear baffle 3, relieving slab 7 and 1 one-piece casting of bottom plate at
Type；The spacing of two neighboring floor 9 is 3m~5m in the present embodiment.
After the completion of construction, backfill 6 is inserted in empty van body 500；And it is all inserted in the top of relieving slab 7 and lower section
Backfill 6, the part backfill 6 constitute the part soil body of the soil body 8 after wall.Cohesive soil or sandy soil can be used in above-mentioned backfill 6.
Generally use cohesive soil, for antiseepage it is of less demanding sandy soil can be used, can also be among sand when there is antiseepage requirement
Layer setting thickness is not less than the clay lenses of 500m.
The upper surface flush of ground level and bottom plate 1, box-type retaining wall before the wall of the present embodiment hollow box type retaining wall
Wall after ground level and top plate 4 upper surface flush.
After wall the soil body 8 to barricade apply in the horizontal direction on soil pressure be cause barricade sliding and unstability it is main
External force, after wall suffered by general cantilever formula, gravity type and empty van formula barricade the soil body 8 apply in the horizontal direction on geostatic shield
In situation such as Fig. 3 shown in a-quadrant, B area and the regions C, suffered total earth pressure forms big with a-quadrant, B area and the regions C
The area of triangle is corresponding.And 7 rigidity of relieving slab is bigger than the soil body, and the load of the soil body is located above in the present embodiment through relieving slab
7 and floor 9 be transferred directly to rear baffle 3 and bottom plate 1, in this way, the soil body of the lower section of relieving slab 7 is not by relieving slab 7 in the present embodiment
The ballast of the top soil body, be located at the soil body of the lower section of relieving slab 7 to rear baffle 3 and entire box-type retaining wall apply along level side
To soil pressure Fixed Initial Point calculated since the lower surface of relieving slab 7, soil pressure is only Fig. 2 suffered by this sample box-type retaining wall
The sum of the area of middle a-quadrant and B area, is equivalent to the soil pressure for the size for reducing the regions parallelogram C, and effect is aobvious
It writes, effectively reduces the total earth pressure suffered by this box-type retaining wall.In addition, since the relieving slab that relieving slab 7 extends back prolongs
Extending portion 71 increases the soil weight for participating in antiskid, and the native weight being effectively increased is the part right over relieving slab extension 71, from
And effectively increase the anti-slide performance of this retaining wall；And increased effective antiskid soil is located at wall heel or more again, significantly improves
The distribution of base stress reduces the maximum stress before wall, advantageously reduces basement process and safeguards the stabilization of ground.
Hollow box type retaining wall of the present invention can save material by the soil body 8 after supporting and retaining system equal height side slope, i.e. wall
Dosage, or in the case where undertaking onesize soil pressure than other pattern barricades can supporting and retaining system higher height side slope, not only
Material property can also be given full play to by saving material.This box-type retaining wall is applied widely, is suitable for hydraulic engineering, highway work
Journey, geotechnical engineering, port engineering etc. need slope treatment and the engineering field of supporting and retaining system.Above-mentioned box-type retaining wall in the present invention
It is a kind of balance weight retaining wall, is suitable for the larger ground of bearing capacity ratio.
In conclusion the present invention effectively overcomes various shortcoming in the prior art and has high industrial utilization.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology can all carry out modifications and changes to above-described embodiment without violating the spirit and scope of the present invention.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should by the present invention claim be covered.
Claims (10)
1. a kind of box-type retaining wall, including underlying bottom plate (1), front apron affixed with bottom plate (1) and positioned at front
(2), and the rear baffle (3) that is located behind affixed with bottom plate (1) and the top plate (4) being located above, the top plate (4) and front
Plate (2) and rear baffle (3) are affixed, and the bottom plate (1), front apron (2), rear baffle (3) and top plate (4) are surrounded with cavity
(51) empty van body (500) is filled with backfill (6) in the cavity (51), it is characterised in that：The box-type retaining wall is also
Including the relieving slab (7) extended along the longitudinal direction, the front end and the middle part of rear baffle (3) of the relieving slab (7) are affixed, described to unload
The rear end of lotus plate (7) extends to after wall in the soil body (8), and the soil body (8) is located at the rear of rear baffle (3) after the wall.
2. box-type retaining wall according to claim 1, it is characterised in that：It further include the rib positioned at the lower section of relieving slab (7)
Plate (9), and the floor (9) and relieving slab (7) and rear baffle (3) are affixed.
3. box-type retaining wall according to claim 2, it is characterised in that：The bottom plate (1) has the bottom plate to extend back
Extension (11), the floor (9) and base plate extension (11) are affixed.
4. box-type retaining wall according to claim 3, it is characterised in that：The relieving slab (7) has what is extended back to unload
Lotus plate extension (71), the relieving slab extension (71) are located at the rear of base plate extension (11) in the longitudinal direction.
5. box-type retaining wall according to claim 2, it is characterised in that：The floor (9) has multiple, and whole floor
(9) it is spaced apart in left-right direction.
6. box-type retaining wall according to claim 1, it is characterised in that：Partition board (52) is installed in the cavity (51),
The partition board (52) and bottom plate (1), front apron (2), rear baffle (3) and top plate (4) are affixed.
7. box-type retaining wall according to claim 6, it is characterised in that：The partition board (52) has multiple, and whole partition board
(52) it is spaced apart in left-right direction.
8. box-type retaining wall according to claim 1, it is characterised in that：The bottom plate (1), front apron (2), rear baffle
(3), top plate (4) and relieving slab (7) are all made of reinforced concrete structure, and bottom plate (1), front apron (2), rear baffle (3), top plate
(4) and relieving slab (7) is molded using one-piece casting.
9. box-type retaining wall according to claim 1, it is characterised in that：The backfill (6) uses cohesive soil or grittiness
Soil.
10. box-type retaining wall according to claim 1, it is characterised in that：After the rear end of the relieving slab (7) extends to wall
At the soil wedge sliding surface of the soil body (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810897593.4A CN108678001A (en) | 2018-08-08 | 2018-08-08 | A kind of box-type retaining wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810897593.4A CN108678001A (en) | 2018-08-08 | 2018-08-08 | A kind of box-type retaining wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108678001A true CN108678001A (en) | 2018-10-19 |
Family
ID=63815293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810897593.4A Pending CN108678001A (en) | 2018-08-08 | 2018-08-08 | A kind of box-type retaining wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108678001A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202430741U (en) * | 2011-12-23 | 2012-09-12 | 上海艾能电力工程有限公司 | Hollow-web-type retaining wall structure |
| CN103452132A (en) * | 2013-09-05 | 2013-12-18 | 江苏省交通科学研究院股份有限公司 | Retaining wall |
| CN104631491A (en) * | 2013-11-06 | 2015-05-20 | 贵阳铝镁设计研究院有限公司 | Method for improving stress performance of retaining wall and retaining wall structure |
| CN105926667A (en) * | 2016-04-07 | 2016-09-07 | 叶香雄 | Retaining wall |
| CN105951875A (en) * | 2016-06-27 | 2016-09-21 | 长沙学院 | Adjustable assembly retaining wall with pressure reduction plate structures |
| CN107012884A (en) * | 2017-05-26 | 2017-08-04 | 中冶赛迪工程技术股份有限公司 | Formula retaining structure is helped in a kind of storehouse |
| CN207685657U (en) * | 2017-12-11 | 2018-08-03 | 上海勘测设计研究院有限公司 | Empty van formula bridge abutment structure |
| CN208701739U (en) * | 2018-08-08 | 2019-04-05 | 上海勘测设计研究院有限公司 | A kind of box-type retaining wall |
-
2018
- 2018-08-08 CN CN201810897593.4A patent/CN108678001A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202430741U (en) * | 2011-12-23 | 2012-09-12 | 上海艾能电力工程有限公司 | Hollow-web-type retaining wall structure |
| CN103452132A (en) * | 2013-09-05 | 2013-12-18 | 江苏省交通科学研究院股份有限公司 | Retaining wall |
| CN104631491A (en) * | 2013-11-06 | 2015-05-20 | 贵阳铝镁设计研究院有限公司 | Method for improving stress performance of retaining wall and retaining wall structure |
| CN105926667A (en) * | 2016-04-07 | 2016-09-07 | 叶香雄 | Retaining wall |
| CN105951875A (en) * | 2016-06-27 | 2016-09-21 | 长沙学院 | Adjustable assembly retaining wall with pressure reduction plate structures |
| CN107012884A (en) * | 2017-05-26 | 2017-08-04 | 中冶赛迪工程技术股份有限公司 | Formula retaining structure is helped in a kind of storehouse |
| CN207685657U (en) * | 2017-12-11 | 2018-08-03 | 上海勘测设计研究院有限公司 | Empty van formula bridge abutment structure |
| CN208701739U (en) * | 2018-08-08 | 2019-04-05 | 上海勘测设计研究院有限公司 | A kind of box-type retaining wall |
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