CN107816056A - Filled type concrete gravity retaining wall and its construction technology - Google Patents
Filled type concrete gravity retaining wall and its construction technology Download PDFInfo
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- CN107816056A CN107816056A CN201711049295.1A CN201711049295A CN107816056A CN 107816056 A CN107816056 A CN 107816056A CN 201711049295 A CN201711049295 A CN 201711049295A CN 107816056 A CN107816056 A CN 107816056A
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- Prior art keywords
- wall
- longitudinal side
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- retaining wall
- cavity
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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
Abstract
The invention discloses a kind of filled type concrete gravity retaining wall and its construction technology, it solves the problems, such as that retaining wall consumes the non-renewable resources such as a large amount of sandstones, the use of sandstone material can be greatly reduced, realize the recycling of waste and scrap, whole structural stability is improved, has and economizes on resources, it is green, the advantage such as applied widely, its technical scheme are：Multistage retaining wall body including being arranged in order setting, the retaining wall body include being arranged at the basis of bottom, and the basic top sets wall body structure, top plate is set at the top of wall body structure；The wall body structure includes multistage closed-in construction, and two longitudinal side walls are comprised at least per one-level closed-in construction, set crossbeam to connect two longitudinal side walls at the top of longitudinal side wall, cavity is provided between longitudinal side wall, filler is filled with cavity.
Description
Technical field
The present invention relates to road engineering technical field, and in particular to a kind of slope supporting structure, is filled out more particularly to one kind
Fill formula concrete gravity retaining wall and its construction technology.
Background technology
Retaining wall is as a kind of important land consolidation technology, and its security is good, construction is simple, economical and practical, in highway
Possesses wide application prospect in engineering construction.As the development of highway in China building cause, particularly high-grade highway are quick
Development, retaining wall are being saved the area, and the advantage for reducing cost etc. is more and more significant.Gravity retaining wall is put down by deadweight
Heng Qiang carries on the back filler lateral pressure, reaches the purpose that slope supported ensures slope stability.Because its structure type is simple, cost is low,
The advantages such as construction is simple, especially it is widely used in slope support engineering in the area that building stones enrich, such as highway
Engineering, railway engineering, hydraulic engineering etc..Traditional gravity retaining wall is mostly masonry structure, using block stone, slabstone, coagulation
Earth building blocks are by grouting or laid dry mode forms gravity retaining wall.But existing gravity retaining wall is solid construction, by
It is larger in size, it is necessary to consume the non-renewable resources such as substantial amounts of sandstone material, while sandstone material also can in recovery process
Inevitably bring problem of environmental pollution.In addition the not reproducible use of existing masonry structure retaining wall, in highway reconstruction and expansion work
Often fill to form new road structure jointly with newly-built roadbed filling in journey, build new retaining wall again in side slope position,
Cause the wasting of resources.Current Green Development has become " 13 " and the from now on basic concept of socio-economic development.It is green public
More focus on implementing and implementing for requirements such as " resources conservations, environment-friendly " as the point of penetration for promoting green traffic development in road.
Therefore to promote the construction of green highway, should be used from control resource, push structure is innovated angularly, improves gravity retaining wall
Structure type, reach the purpose of resources conservation and environmental protection.
Certain Chinese patent gives a kind of Form Gravity Breast Wall, and it is by basis, concrete slab, graded broken stone and cemented rock
Composition, although the retaining wall reduces the use of sandstone material to a certain extent, the structure is still solid construction, is only saved
About limited sandstone material.Further, since the structure is splicing structure, retaining wall resistance to overturning is low, in special road section (such as height
Side slope, earthquake territory) the problem of facing stability deficiency when using.
In summary, the problem of consuming the non-renewable resources such as a large amount of sandstones for retaining wall in the prior art, still lacks
Effective solution.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the invention provides a kind of filled type concrete gravity retaining wall, its
The use of sandstone material can be greatly reduced, realize the recycling of waste and scrap, improve whole structural stability, have and save money
Source, green, the advantage such as applied widely；
Further, the present invention uses following technical proposals：
A kind of filled type concrete gravity retaining wall, including it is arranged in order the multistage retaining wall body of setting, the earth-retaining
Wall body includes being arranged at the basis of bottom, and the basic top sets wall body structure, top plate is set at the top of wall body structure；It is described
Wall body structure includes multistage closed-in construction, and two longitudinal side walls are comprised at least per one-level closed-in construction, are set at the top of longitudinal side wall
Put crossbeam and connect two longitudinal side walls, cavity is provided between longitudinal side wall, filler is filled with cavity.
Further, cavity filler spilled water hole is set on the longitudinal side wall, first row is set in cavity filler spilled water hole
Water pipe.
Further, correspond on the inside of the longitudinal side wall and geotextiles are set at cavity filler spilled water hole.
Further, the both ends of the longitudinal side wall are provided with lateral sidewalls.
Further, the closed-in construction is additionally provided with the second drainpipe for penetrating whole longitudinal side walls, and longitudinal side wall is corresponding
Roadbed filling spilled water hole is set at the second drainpipe.
Further, correspond on the inside of the longitudinal side wall and geotextiles are set at roadbed filling spilled water hole.
Further, the filler is soil or building waste or industrial waste.
Further, subsiding crack and expansion joint are set between the adjacent two sections retaining wall bodies.
Further, the subsiding crack and the overall width at expansion joint are 10~20mm.
Further, the wall body structure is faces upward inclined structure or bow inclined structure or upright structures.
Further, the inclined structural wall back slope degree of bowing is (1:0.1)~(1:0.4).
Further, the inclined structural wall back slope degree of facing upward is more than 1:0.25.
Further, the upright structures and inclined structural wall height of bowing are less than 5m.
Further, the inclined structural wall height of facing upward is less than 8m.
Further, the length of the retaining wall body is 5~10m, and adjacent two sections of retaining wall bodies discrepancy in elevation is less than 1.2m.
Further, the basic thickness is more than 0.6m, the wall thickness of the longitudinal side wall and lateral sidewalls for 0.15~
0.20m。
Further, the top plate is reinforced concrete structure, and its width is not less than 0.5m, and thickness is not less than 0.2m, steel
Muscle diameter is not less than
Further, the crossbeam is reinforced concrete structure, and bar diameter is not less thanAlong wall between crossbeam
High spacing is 2~3m, and thickness is not less than 0.15m.
Further, the spacing between the cavity filler spilled water hole and roadbed filling spilled water hole is 2~3m.
A kind of construction technology of filled type concrete gravity retaining wall, comprises the following steps：
Step 1：According to roadbed side slope supporting height, calculate and determine retaining wall body geometric parameter；
Step 2：Smooth construction site, excavation pit simultaneously carry out a section drainage measure, and the planar dimension at foundation ditch bottom is more than basis
0.5~1.0m of outer rim；
Step 3：Template is set up in foundation ditch, pours basic and first order closed-in construction longitudinal side wall and lateral sidewalls simultaneously
Conserved；
Step 4：When first order closed-in construction intensity reaches the 70% of setting intensity, template of dismantling is filled in cavity fills out
Material, and compaction in layers is carried out, and carry out the measurement per roadbed；
Step 5：When filling to beam height, crossbaring reinforcing bar, template is set up, carry out pouring for next stage closed-in construction
Build and conserved；
Step 6：When next stage closed-in construction intensity reaches the 70% of setting intensity, template of dismantling is filled in cavity fills out
Material, and compaction in layers is carried out, and carry out the measurement per roadbed；
Step 7：Repeat step 5,6, until filling to top setting height, set up template and carry out the arrangement of reinforcement of top plate and pour
Build.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, compared with existing masonry gravity retaining wall, the present invention enhances retaining wall by concreting technology
Bulk strength and stability, preventing bricklaying wall body, wall body is ftractureed and failure by shear, supporting construction are pacified because puzzle joint intensity deficiency causes
Full property improves.
2nd, it is cavity structure inside wall body compared with existing gravity retaining wall, masonry material is replaced by filler filling,
Reach the purpose by dead-weight balanced soil lateral pressure.Therefore the usage amount of the non-renewable resources material such as sandstone is greatly reduced.
And retaining wall is made up of the retaining wall body of sectional construction, it is easy to move integrally transport, can recycles.
3rd, filler can fill the obsolete materials such as building waste, industrial waste in wall cavity of the present invention, realize waste and old
Material recycling and forever depositing admittedly, avoids the environmental issues such as the soil pollution brought during waste and scrap landfill and water pollution,
Be advantageous to environmental protection.
4th, compared with existing masonry gravity retaining wall, the concrete of retaining walls body of the present invention is internal to pour to be formed
Filler fills through compacting, enormously simplify the construction technology of retaining wall, substantial amounts of manpower consumption when avoiding masonry structure construction.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its illustrate be used for explain the application, do not form the improper restriction to the application.
Fig. 1 is to face upward inclined concrete gravity retaining wall side view；
Fig. 2 is vertical type concrete gravity retaining wall side view；
Fig. 3 is inclined concrete gravity retaining wall side view of bowing；
Fig. 4 is filled type concrete gravity retaining wall front view of the present invention；
In figure, 1, basis, 2, longitudinal side wall, 3, crossbeam, 4, roadbed filling spilled water hole, 5, geotextiles, 6, cavity, 7, cavity
Filler spilled water hole, 8, top plate, 9, lateral sidewalls, 10, subsiding crack, 11, retaining wall body.
Embodiment
It is noted that described further below is all exemplary, it is intended to provides further instruction to the application.It is unless another
Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
As background technology is introduced, retaining wall in the prior art be present and consume the non-renewable resources such as a large amount of sandstones
Problem, in order to solve technical problem as above, present applicant proposes a kind of filled type concrete gravity retaining wall and its construction work
Skill.
In a kind of typical embodiment of the application, as shown in Fig. 4,1, there is provided a kind of filled type concrete gravity gear
Cob wall, including the multistage retaining wall body 11 of setting is arranged in order, retaining wall body 11 is made up of concrete, and its intensity is not less than
C20；The segmentation of retaining wall body 11 is built, and for 5~10m, (length direction of retaining wall body is Fig. 4 to the length of retaining wall body
Middle horizontal direction), adjacent two sections of retaining wall bodies discrepancy in elevation is less than 1.2m.
The retaining wall body 11 includes being arranged at the basis 1 of bottom, and basic 1 top sets wall body structure, wall
Structural top sets top plate 8；The wall body structure includes multistage closed-in construction, and from top to bottom successively adjoining is set multistage closed-in construction
Put, two longitudinal side walls 2 are comprised at least per one-level closed-in construction, the top of longitudinal side wall 2 sets crossbeam 3 to connect two longitudinal side walls
2, cavity 6 is provided between longitudinal side wall 2, filler is filled with cavity 6.
Cavity filler spilled water hole 7 is set on the longitudinal side wall 2, for cavity filler draining, in cavity filler spilled water hole 7
First drainpipe is set.Cavity filler spilled water hole 7 is set along wall is high with wall length.First drainpipe can use pvc pipe.
The inner side of longitudinal side wall 2, which corresponds to, sets geotextiles 5 at cavity filler spilled water hole 7, prevent sluicing hole plug.It is vertical
It is close to the side of filler to the inner side of side wall 2.
The closed-in construction is additionally provided with the second drainpipe for penetrating whole longitudinal side walls 2, and longitudinal side wall 2 corresponds to second row
Roadbed filling spilled water hole 4 is set at water pipe.Second drainpipe can use pvc pipe.
The inner side of longitudinal side wall 2, which corresponds to, sets geotextiles 5 at roadbed filling spilled water hole 4, prevent sluicing hole plug.
Spacing between the cavity filler spilled water hole and roadbed filling spilled water hole is 2~3m.
The both ends of the longitudinal side wall 2 are provided with lateral sidewalls 9.
The filler is soil or building waste or industrial waste, filler compaction in layers, is 0.2m per thickness degree, compactness is not
Less than 90%.
Subsiding crack 10 and expansion joint, subsiding crack 10 and expansion joint is set to close between adjacent two sections of retaining wall bodies 11
And set, the overall width at subsiding crack and expansion joint is 10~20mm.
The wall body structure can face upward inclined structure or as shown in Figure 3 bow inclined structure or such as Fig. 1 for as shown in Figure 1
Shown upright structures.
The inclined structural wall back slope degree of bowing is (1:0.1)~(1:0.4).
The inclined structural wall back slope degree of facing upward is more than 1:0.25.
The upright structures and inclined structural wall height of bowing are less than 5m.
The inclined structural wall height of facing upward is less than 8m.
The basic thickness is more than 0.6m, and the wall thickness of the longitudinal side wall and lateral sidewalls is 0.15~0.20m.
The top plate is reinforced concrete structure, and its width is not less than 0.5m, and thickness is not less than 0.2m, and bar diameter is not small
In
The crossbeam is reinforced concrete structure, and bar diameter is not less thanIt is along the high spacing of wall between crossbeam
2~3m, thickness are not less than 0.15m.
In the typical embodiment of another kind of the application, there is provided a kind of filled type concrete weight for slope retaining
The construction technology of power formula retaining wall, comprises the following steps：
The first step：Calculating is designed according to roadbed side slope supporting height and cavity filler type, determines retaining wall geometry
Parameter, including specific retaining wall size, sidewall thickness, crossbeam position, width, sluicing hole site etc.；
Second step：Smooth construction site, excavation pit simultaneously carry out a section drainage measure, and it is high that excavation of foundation pit height should meet design
Degree requires, excavation of foundation pit size should meet the requirement of the construction of basis 1, the planar dimension at foundation ditch bottom be preferably greater than the outer rim 0.5 of basis 1~
1.0m is in order to the erection of template；
3rd step：Set up longitudinal side wall 2 and lateral sidewalls 9 that template pours earth-retaining foundation of wall 1 and first order closed-in construction
And conserved, roadbed filling spilled water hole 4 and the hole of cavity filler spilled water hole 7 should be reserved in casting process and dispose pvc pipe and
Geotextiles 5；
4th step：When basis 1 and the intensity of longitudinal side wall 2 and the concrete of lateral sidewalls 9 reach the 70% of final strength,
Template of dismantling fills filler in cavity 6, carries out compaction in layers using vibrating rammer, is 0.2m per thickness degree, and carries out every
The measurement of roadbed, the next step construction is carried out after compactness reaches requirement；
5th step：When filling to the first order 3 height of crossbeam, the reinforcing bar of crossbaring 3, template is set up, carry out second level frame
Formula structure longitudinal side wall 2 and lateral sidewalls 9 and crossbeam 3 pouring and being conserved；
6th step：When the second level, side wall concrete strength reaches the 70% of final strength, template of dismantling is filled cavity 6 and filled out
Material, compaction in layers is carried out using vibrating rammer, and carry out the measurement per roadbed, and the reserved He of roadbed filling spilled water hole 4
Cavity filler spilled water hole 7, pvc pipe and geotextiles 5 are installed；
7th step：Multilevel cavity such as be present and answer repeat step 6 and highly set up template until filling to top design and pushed up
The arrangement of reinforcement of plate 8 and pour.
In order that the technical scheme of the application can clearly be understood by obtaining those skilled in the art, below with reference to tool
The embodiment of body describes the technical scheme of the application in detail.
Embodiment 1
As shown in figure 1, facing upward inclined concrete gravity retaining wall, retaining wall size, earth-retaining are determined according to specific supporting height
The wall wall body gradient should not be delayed in 1:0.25；It is first according to that design requirement carries out the arrangement in place and excavation of foundation pit and guarded drainage are arranged
Apply.Then the concreting that template carries out basis and first order side wall is set up.After maintenance is completed, filler is filled in cavity
And be compacted, spilled water hole is set.Then carry out crossbeam arrangement of reinforcement and second level side wall concreting and conserved, concrete strength
Reach and filler in the cavity of the second level is carried out after requirement fill and spilled water hole is set.Finally carry out the arrangement of reinforcement of top plate and pouring for concrete
Build and conserve.
Embodiment 2
As shown in Fig. 2 vertical type concrete gravity retaining wall, determines retaining wall size, first according to specific supporting height
Arrangement and excavation of foundation pit and the waterproof and drain measure in place are carried out according to design requirement.Then set up template and carry out basis and first
The concreting of level side wall.After maintenance is completed, filler is filled in cavity and is compacted, spilled water hole is set.Then carry out horizontal
Beam arrangement of reinforcement and second level side wall concreting are simultaneously conserved, and concrete strength after reaching requirement fill out in the cavity of the second level
Material fills and sets spilled water hole.Finally carry out the arrangement of reinforcement of top plate and pouring and conserving for concrete.
Embodiment 3
As shown in figure 3, inclined formula concrete gravity retaining wall of bowing, determines retaining wall size according to specific supporting height, bows
The inclined gradient is 1:0.2.It is first according to arrangement and excavation of foundation pit and waterproof and drain measure that design requirement carries out place.Then it is false
If template carries out the concreting of basis and first order side wall.After maintenance is completed, filler is filled in cavity and is compacted, if
Put spilled water hole.Then carry out crossbeam arrangement of reinforcement and second level side wall concreting and conserved, concrete strength reaches requirement
Filler in the cavity of the second level is carried out afterwards to fill and set spilled water hole.Finally carry out the arrangement of reinforcement of top plate and pouring and supporting for concrete
Shield.
The preferred embodiment of the application is the foregoing is only, is not limited to the application, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of filled type concrete gravity retaining wall, it is characterized in that, including it is arranged in order the multistage retaining wall body of setting, institute
Stating retaining wall body includes being arranged at the basis of bottom, and the basic top sets wall body structure, top is set at the top of wall body structure
Plate；The wall body structure includes multistage closed-in construction, and two longitudinal side walls, longitudinal side wall are comprised at least per one-level closed-in construction
Top sets crossbeam to connect two longitudinal side walls, and cavity is provided between longitudinal side wall, filler is filled with cavity.
2. Form Gravity Breast Wall as claimed in claim 1, it is characterized in that, cavity filler spilled water hole is set on the longitudinal side wall,
First drainpipe is set in cavity filler spilled water hole.
3. Form Gravity Breast Wall as claimed in claim 2, it is characterized in that, cavity filler is corresponded on the inside of the longitudinal side wall and is sluiced
Geotextiles are set at hole.
4. Form Gravity Breast Wall as claimed in claim 1, it is characterized in that, the both ends of the longitudinal side wall are provided with cross side
Wall.
5. Form Gravity Breast Wall as claimed in claim 1, it is characterized in that, the closed-in construction is additionally provided with the whole longitudinal side walls of insertion
The second drainpipe, longitudinal side wall correspond to the second drainpipe at set roadbed filling spilled water hole；It is right on the inside of the longitudinal side wall
Geotextiles should be set at roadbed filling spilled water hole.
6. Form Gravity Breast Wall as claimed in claim 1, it is characterized in that, the filler is soil or building waste or industrial waste.
7. Form Gravity Breast Wall as claimed in claim 1, it is characterized in that, sedimentation is set between adjacent two sections of retaining wall bodies
Seam and expansion joint；The subsiding crack and the overall width at expansion joint are 10~20mm.
8. Form Gravity Breast Wall as claimed in claim 1, it is characterized in that, the wall body structure is faces upward inclined structure or inclined knot of bowing
Structure or upright structures；
The inclined structural wall back slope degree of bowing is (1:0.1)~(1:0.4)；The inclined structural wall back slope degree of facing upward is more than 1:
0.25。
9. Form Gravity Breast Wall as claimed in claim 1, it is characterized in that, the length of the retaining wall body is 5~10m, adjacent
Two sections of retaining wall body discrepancy in elevation are less than 1.2m；The top plate is reinforced concrete structure；The crossbeam is reinforced concrete structure.
10. the construction technology of the Form Gravity Breast Wall as described in claim any one of 1-9, it is characterized in that, comprise the following steps：
Step 1：According to roadbed side slope supporting height, calculate and determine retaining wall body geometric parameter；
Step 2：Smooth construction site, excavation pit simultaneously carry out a section drainage measure, and the planar dimension at foundation ditch bottom is more than basic outer rim
0.5~1.0m；
Step 3：Template is set up in foundation ditch, basic and first order closed-in construction longitudinal side wall and lateral sidewalls is poured and carries out
Maintenance；
Step 4：When first order closed-in construction intensity reaches the 70% of setting intensity, template of dismantling fills filler in cavity,
And compaction in layers is carried out, and carry out the measurement per roadbed；
Step 5：When filling to beam height, crossbaring reinforcing bar, template is set up, carry out pouring simultaneously for next stage closed-in construction
Conserved；
Step 6：When next stage closed-in construction intensity reaches the 70% of setting intensity, template of dismantling fills filler in cavity,
And compaction in layers is carried out, and carry out the measurement per roadbed；
Step 7：Repeat step 5,6, until filling to top setting height, set up template and carry out the arrangement of reinforcement of top plate and pour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711049295.1A CN107816056A (en) | 2017-10-31 | 2017-10-31 | Filled type concrete gravity retaining wall and its construction technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711049295.1A CN107816056A (en) | 2017-10-31 | 2017-10-31 | Filled type concrete gravity retaining wall and its construction technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107816056A true CN107816056A (en) | 2018-03-20 |
Family
ID=61603046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711049295.1A Pending CN107816056A (en) | 2017-10-31 | 2017-10-31 | Filled type concrete gravity retaining wall and its construction technology |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108360557A (en) * | 2018-05-02 | 2018-08-03 | 莱芜钢铁集团粉末冶金有限公司 | A kind of segmented retaining Wall |
| CN108797636A (en) * | 2018-09-06 | 2018-11-13 | 中铁二院北方勘察设计有限责任公司 | A kind of upper font retaining wall structure and its construction method |
| CN110284518A (en) * | 2019-07-17 | 2019-09-27 | 上海勘测设计研究院有限公司 | A kind of tilting empty van barricade |
| CN110644297A (en) * | 2019-10-31 | 2020-01-03 | 中铁二院工程集团有限责任公司 | Anti-bulging supporting structure of ballastless track high-speed railway and construction method |
| CN111663564A (en) * | 2020-06-03 | 2020-09-15 | 安徽省交通规划设计研究总院股份有限公司 | UHPC-C environment-friendly retaining wall and construction method thereof |
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| JP5816420B2 (en) * | 2010-07-30 | 2015-11-18 | ランデス株式会社 | Retaining wall construction water storage block |
| CN105544600A (en) * | 2015-12-30 | 2016-05-04 | 中铁第四勘察设计院集团有限公司 | Segmented precast open-web retaining wall building block and retaining wall structure |
| CN106930319A (en) * | 2017-05-03 | 2017-07-07 | 中冶沈勘工程技术有限公司 | A kind of high slope framed revetment and its construction method |
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| JP5816420B2 (en) * | 2010-07-30 | 2015-11-18 | ランデス株式会社 | Retaining wall construction water storage block |
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| CN105544600A (en) * | 2015-12-30 | 2016-05-04 | 中铁第四勘察设计院集团有限公司 | Segmented precast open-web retaining wall building block and retaining wall structure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108360557A (en) * | 2018-05-02 | 2018-08-03 | 莱芜钢铁集团粉末冶金有限公司 | A kind of segmented retaining Wall |
| CN108797636A (en) * | 2018-09-06 | 2018-11-13 | 中铁二院北方勘察设计有限责任公司 | A kind of upper font retaining wall structure and its construction method |
| CN110284518A (en) * | 2019-07-17 | 2019-09-27 | 上海勘测设计研究院有限公司 | A kind of tilting empty van barricade |
| CN110644297A (en) * | 2019-10-31 | 2020-01-03 | 中铁二院工程集团有限责任公司 | Anti-bulging supporting structure of ballastless track high-speed railway and construction method |
| CN111663564A (en) * | 2020-06-03 | 2020-09-15 | 安徽省交通规划设计研究总院股份有限公司 | UHPC-C environment-friendly retaining wall and construction method thereof |
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Application publication date: 20180320 |