CN107842036A - Composite foundation reinforcement gabion baffling structure and construction method - Google Patents
Composite foundation reinforcement gabion baffling structure and construction method Download PDFInfo
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- CN107842036A CN107842036A CN201710890457.8A CN201710890457A CN107842036A CN 107842036 A CN107842036 A CN 107842036A CN 201710890457 A CN201710890457 A CN 201710890457A CN 107842036 A CN107842036 A CN 107842036A
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- 238000010276 construction Methods 0.000 title claims abstract description 47
- 239000002131 composite material Substances 0.000 title claims abstract description 42
- 230000002787 reinforcement Effects 0.000 title claims abstract description 22
- 239000004575 stone Substances 0.000 claims abstract description 57
- 238000011049 filling Methods 0.000 claims abstract description 51
- 239000000203 mixture Substances 0.000 claims abstract description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 239000002689 soil Substances 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 4
- 238000005056 compaction Methods 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 230000003116 impacting effect Effects 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 claims 1
- 239000004567 concrete Substances 0.000 description 7
- 238000007596 consolidation process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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
- E02D29/0208—Gabions
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/06—Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
- E02B3/066—Quays
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
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- Structural Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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Abstract
The invention discloses composite foundation reinforcement gabion baffling structure and construction method, and it includes composite foundation (1), reinforced gabion (2), GSZ (3), loaded filter (4) and filling body (5) composition；Described composite foundation (1) locates below ground level and is made up of more vibro-replacement stone columns (1.1), multiple described reinforced gabions (2) are piled up in the top of described composite foundation (1), filling body (5) is provided with the inside of described reinforced gabion (2), the bottom of the filling body (5) is provided with GSZ (3), loaded filter (4) is provided between described reinforced gabion (2) and described filling body (5)；The shortcomings that it is overcome in the prior art because foundation bearing capacity is relatively low, and the filling body after barricade and its wall is by larger deformation or even unstable failure is occurred, there is the advantages of fast easy construction, speed of application, wall body low cost.
Description
Technical field
The present invention relates to the technical fields such as water conservancy, highway and water and soil conservation, are more specifically composite foundation reinforcements
Gabion baffling structure and construction method.
Background technology
During the filling of the engineerings such as shore protection levee body, highway subgrade, Dumping Sites, generally use barricade resists pressure of banketing
Power.When above-mentioned engineering construction is located at coastal region, river loke shore beach, mollisol area, deep covering layer area, earth formation is more
It is made up of Extra-fine sand, silt, silty clay, muck soil, traditional barrier wall structure can not meet filling body after itself and its wall
Stability requirement, must be combined using other modes with barricade, the pressure of banketing after sharing lood wall.
Traditional barricade material is concrete or stone masonry, and concrete guard wall is related to concrete production, transports, pours, applies
Construction equipment is more, complex procedures；Stone masonry barricade needs manually to build by laying bricks or stones, expends substantial amounts of manpower, speed of application is slow.Chinese patent
CN104674841B puts block stone using machinery and quickly forms retaining wall, although improving the degree of barricade mechanized construction, adds
The fast speed of application of barricade, but it faces same problem with concrete guard wall, stone masonry barricade：When running into above-mentioned geology bar
During the poor situation of part, because foundation bearing capacity is relatively low, the filling body after barricade and its wall will occur larger deformation or even
Unstable failure, therefore directly should not be used on mollisol, deep covering layer ground.Chinese patent CN205116214U,
Although CN104389320B, CN103321243B are using bored concrete pile, micro-steel pile, screw rod pile, rotary churning pile, mixing pile to barricade
Ground has carried out consolidation process, but above-mentioned pile body is plain concrete or reinforced concrete structure, complicated construction technique, work of constructing
Phase is grown, and construction costs is high.
When filling body height is higher after barricade, pressure of banketing only is resisted in itself by barricade, can cause bricklaying constructed object
Product is huge while higher to the requirement for bearing capacity of ground, and construction cost is also higher.
The content of the invention
The first object of the present invention is the weak point for overcoming above-mentioned background technology, and proposes composite foundation reinforcement gabion
Barrier wall structure.
The first object of the present invention is implemented by following technical solution：Composite foundation reinforcement gabion baffling structure,
It includes composite foundation, reinforced gabion, GSZ, loaded filter and filling body composition；Described composite foundation be located at ground with
It is made up of down and more vibro-replacement stone columns, multiple described reinforced gabions are piled up in the top of described composite foundation, described
Reinforced gabion on the inside of be provided with filling body, the bottom of the filling body is provided with GSZ, in described reinforcing bar stone
Loaded filter is provided between cage and described filling body.
In the above-mentioned technical solutions：Outer ledge of the described vibro-replacement stone column along described reinforced gabion expands arrangement 2-
3 campsheds.
In the above-mentioned technical solutions：Described reinforced gabion is formed using Site Welding and piles up into triangle；It is and adjacent
Described reinforced gabion between the fissure of displacement pile up and use it is U-shaped nail be linked to be an entirety.
In the above-mentioned technical solutions：Described reinforced gabion includes keel reinforcing bar and fabricated bar, described fabricated bar
Between use galvanized wire colligation；Described keel reinforcing bar be located at the outside of described fabricated bar and be welded to each other into one it is whole
Body.
In the above-mentioned technical solutions：Described GSZ layered arrangement is and described in the inside of described filling body
Stack from bottom to top bottom of the filling body along described GSZ；Described GSZ lateral length is more than twice of institute
The height for the reinforced gabion stated.
In the above-mentioned technical solutions：Described loaded filter is in tilted layout along on the inside of described reinforced gabion, and described is anti-
The upper end of filtering layer flushes with the upper end of described reinforced gabion.
The second object of the present invention is to propose a kind of construction method：The construction party of composite foundation reinforcement gabion baffling structure
Method, it comprises the following steps；
1., preparation of construction；Needed to carry out levelling of the land, construction cushion coat laying, stake position unwrapping wire and construction equipment according to construction
Arrangement in place, vibrating impacter water spray center are less than 5 centimetres with design stake position centre deviation；
2., vibrating and impacting construction of ballast pile；Determine to shake according to the stake footpath size of foundation soil situation and the vibro-replacement stone column needed
Type number is rushed, the sequence of construction of more vibro-replacement stone columns is：Filler in vibrating impacter centering in place → vibroflotation pore-forming, plasma discharge → hole,
Vibratory compaction → carry out next stage vibroflotation, until forming vibro-replacement stone column in the foundation soil of composite foundation；When a vibro-replacement stone
After stake terminates, the position of mobile vibrating impacter to next described vibro-replacement stone column carries out stake processed；
3., steel bar stone cage retaining wall construction；Reinforced gabion, multiple described steel have been piled up above described composite foundation
Muscle gabion, which misplaces, piles up into wall, and the block stone particle diameter in described reinforced gabion is 25-40cm, and is fresh dysgeogenous rock
Stone；
4., embankment construction after barricade；Filling body is provided with after described reinforced gabion, described filling body, which uses, to be divided
Layer fills, grinding compacting；GSZ layering is arranged in described filling body, described GSZ lift height 50cm；
Height of laying length of the described GSZ in described filling body not less than twice of steel bar stone cage retaining wall；Described
Loaded filter, the thickness 1m of described loaded filter are set between the side of reinforced gabion and described filling body；Described loaded filter is filled out
Build material and use fresh building stones, particle diameter should meet the grading requirement of correlation；
In the above-mentioned technical solutions：Described filling body, reinforced gabion, loaded filter three are using in concordant construction and synchronization
Rise.
In the above-mentioned technical solutions：Described loaded filter is in tilted layout along on the inside of described reinforced gabion, and described is anti-
The upper end of filtering layer flushes with the upper end of described reinforced gabion.
In the above-mentioned technical solutions：Described reinforced gabion is formed using Site Welding and piles up into triangle；It is and adjacent
Described reinforced gabion between the fissure of displacement pile up and use it is U-shaped nail be linked to be an entirety；Described reinforced gabion includes keel steel
Muscle and fabricated bar, galvanized wire colligation is used between described fabricated bar；Described keel reinforcing bar is located at described grid
The outside of reinforcing bar and it is welded to each other into an entirety.
The invention has the advantages that：1st, steel bar stone cage retaining wall can adapt to certain deformation, especially in yielding ground
It is more more notable than the advantage of rigid structure barricade in the case of base or deep covering layer ground.
2nd, steel bar stone cage retaining wall can be process using reinforcing bar and block building stones at the construction field (site), easy for construction, speed of application
It hurry up.
3rd, consolidation process is carried out to barricade ground using vibro-replacement stone column, live metaling can be made full use of, with concrete
Stake or reinforced concrete pile are compared, and without purchasing reinforcing bar, cement, construction technology is easy, quick.When stake footpath is 60cm, stake is a length of
During 8m, concrete-pile comprehensive unit price is 66 yuan/m, and vibro-replacement stone column comprehensive unit price is 45 yuan/m, and pile body cost can reduce by 30%
More than.
The 4th, GSZ is set in the filling body after barricade, it is possible to increase the globality and non-deformability of filling body, energy
Enough reduce the soil pressure suffered by wall, so as to reduce barricade bricklaying volume and its requirement for bearing capacity to ground, save engineering
Investment.
Brief description of the drawings
Fig. 1 is the structural plan of the present invention.
Fig. 2 is the structural plan of reinforced gabion in the present invention.
Fig. 3 is the floor plan of the vibro-replacement stone column in the present invention.
In figure：Composite foundation 1, vibro-replacement stone column 1.1, reinforced gabion 2, keel reinforcing bar 2.1, fabricated bar 2.2, Tu Gongge
Grid 3, loaded filter 4, filling body 5.
Embodiment
The performance that the invention will now be described in detail with reference to the accompanying drawings, but they do not form limitation of the invention, only
It is for example；Advantages of the present invention will become clearer and be readily appreciated that by explanation simultaneously.
Described composite foundation 1 be using vibroreplacement to original soft foundation or deep covering layer ground at
Vibro-replacement stone pile composite foundation after reason, its bearing capacity should meet the requirement of barricade resistant slide and antidumping.Through vibro-replacement stone
Bearing Capacity of Composite Foundation R after 1.1 consolidation process of stakesp=[1+m (n-1)] × Rs；RsFor the bearing capacity of original ground；M is to shake
Rush the replacement rate of broken stone pile 1.1, m=AP/As, APFor the sectional area of broken stone pile, AsFor the area of composite foundation；N is vibro-replacement stone
The load intensity share ratio of 1.1 pile bodies of stake and inter-pile soil, n=Rp/Rs；RpFor the bearing capacity of vibro-replacement stone column 1.1.Vibro-replacement stone
Stake 1.1 arranges that retaining wall foundation outer rim expands 2-3 campsheds, and stake footpath D, stake spacing L are counted according to above-mentioned formula using equilateral triangle
Point counting analysis determines.
Described reinforced gabion 2 is welded at the construction field (site), and single size is 2m × 1m × 1m (length × width × height).Dragon
Bone reinforcing bar 2.1 is located at the outside of fabricated bar 2.2, and is welded with fabricated bar 2.2, and galvanized wire is used between fabricated bar 2.2
Colligation.Reinforced gabion 2 is located on composite foundation, and the fissure of displacement of adjacent two layers reinforced gabion 2 is piled up, and all reinforced gabions 2 are adopted each other
It is linked to be entirety with U-shaped nail.Block stone particle diameter in reinforced gabion 2 is 25-40cm, and is fresh dysgeogenous rock.
The layering of GSZ 3 is arranged at the inside of filling body 5 after reinforced gabion 2, the lift height of described GSZ 3
50 centimetres.Laying length of the GSZ 3 in filling body can determine according to actual conditions, typically no less than twice of reinforced gabion
2 pile up height.
Described loaded filter 4 is between reinforced gabion 2 and filling body 5,1 meter described of 4 thickness of loaded filter, to prevent
Thin particulate matter after barricade in filling body 5 is pulled away.Loaded filter 4 fills material and uses fresh building stones, and particle diameter should meet correlation
Grading requirement.
Shown in reference picture 1-3：Composite foundation reinforcement gabion baffling structure, it includes composite foundation 1, reinforced gabion 2, geotechnique
Grid 3, loaded filter 4 and filling body 5 form；Described composite foundation 1 locates below ground level and by more 1.1 groups of vibro-replacement stone column
Into multiple described reinforced gabions 2 are piled up in the top of described composite foundation 1, are set in the side of described reinforced gabion 2
There is filling body 5, the bottom of the filling body 5 is provided with GSZ 3, in described reinforced gabion 2 and described geotechnological lattice
Loaded filter 4 is provided between grid 3.
Outer ledge of the described vibro-replacement stone column 1.1 along described reinforced gabion 2 expands arrangement 2-3 campsheds.
Described reinforced gabion 2 is formed using Site Welding and is piled up into triangle；And adjacent described reinforced gabion 2
Between the fissure of displacement pile up and use it is U-shaped nail be linked to be an entirety.
Described reinforced gabion 2 includes keel reinforcing bar 2.1 and fabricated bar 2.2, is used between described fabricated bar 2.2
Galvanized wire colligation；Described keel reinforcing bar 2.1 be located at the outside of described fabricated bar 2.2 and be welded to each other into one it is whole
Body.
The described layered arrangement of GSZ 3 is in the inside of described filling body 5, and described filling body 5 is along described
The bottom of GSZ 3 stack from bottom to top；The described lateral length of GSZ 3 is more than twice of described reinforced gabion
2 height.
Inner side of the described loaded filter 4 along described reinforced gabion 2 is in tilted layout, the upper end of described loaded filter 4 and institute
The upper end for the reinforced gabion 2 stated flushes.
Present invention additionally comprises the construction method of composite foundation reinforcement gabion baffling structure, and it comprises the following steps；
1., preparation of construction：Needed to carry out levelling of the land, construction cushion coat laying, stake position unwrapping wire and construction equipment according to construction
Arrangement in place, adjustment vibrating impacter water spray center are less than 5 centimetres with design stake position centre deviation；
2., vibrating and impacting construction of ballast pile：Determined according to the stake footpath size of foundation soil situation and the vibro-replacement stone column 1.1 needed
Vibrating impacter model, the sequence of construction of more vibro-replacement stone columns 1.1 are：In vibrating impacter centering in place → vibroflotation pore-forming, plasma discharge → hole
Filler, vibratory compaction → carry out next stage vibroflotation, until forming vibro-replacement stone column 1.1 in the foundation soil of composite foundation 1；When one
After vibro-replacement stone column 1.1 terminates, the position of mobile vibrating impacter to next described vibro-replacement stone column 1.1 carries out stake processed；
3., steel bar stone cage retaining wall construction：Single steel reinforcement cage is transported to Retaining wall field in the prefabricated completion of reinforcement yard
Ground, after piling up steel reinforcement cage according to design requirement, then building stones are filled into single steel reinforcement cage.Keel reinforcing bar 2.1 is located at fabricated bar
2.2 outside, and welded with fabricated bar 2.2, galvanized wire colligation is used between fabricated bar 2.2.The trade mark of keel reinforcing bar 2.1 is
HRB400, diameter 20mm.The trade mark of fabricated bar 2.2 is HPB235, and diameter 10mm, size of mesh opening is 20cm × 20cm.Reinforcing bar stone
Cage 2 is located on composite foundation, and the fissure of displacement of adjacent two layers reinforced gabion 2 is piled up, and all reinforced gabions 2 are linked to be using U-shaped nail each other
It is overall.
4., embankment construction after barricade；Filling body 5 is provided with after described reinforced gabion 2, described filling body 5 is adopted
With placement in layers, grinding compacting；GSZ 3, which is layered, to be arranged in described filling body 5, and described GSZ 3 is layered thickness
Spend 50cm；Height of laying length of the described GSZ 3 in described filling body 5 not less than twice of reinforced gabion 2；
Loaded filter 4, the thickness 1m of described loaded filter 4 are set between the side of described reinforced gabion 2 and described filling body 5；It is described
Loaded filter 4 fill material use fresh building stones, particle diameter should meet correlation grading requirement.
Described filling body 5, reinforced gabion 2, the three of loaded filter 4 using concordant construction and synchronous rise.
Inner side of the described loaded filter 4 along described reinforced gabion 2 is in tilted layout, the upper end of described loaded filter 4 and institute
The upper end for the reinforced gabion 2 stated flushes.
Above-mentioned unspecified part is prior art.
Claims (9)
1. composite foundation reinforcement gabion baffling structure, it is characterised in that：It includes composite foundation (1), reinforced gabion (2), geotechnique
Grid (3), loaded filter (4) and filling body (5) composition；Described composite foundation (1) locates below ground level and broken by more vibroflotations
Stone mar (1.1) is formed, and multiple described reinforced gabions (2) are piled up in the top of described composite foundation (1), in described reinforcing bar
Filling body (5) is provided with the inside of gabion (2), the bottom of the filling body (5) is provided with GSZ (3), described
Loaded filter (4) is provided between reinforced gabion (2) and described filling body (5).
2. composite foundation reinforcement gabion baffling structure according to claim 1, it is characterised in that：Described vibro-replacement stone column
(1.1) arrangement 2-3 campsheds are expanded along the outer ledge of described reinforced gabion (2).
3. composite foundation reinforcement gabion baffling structure according to claim 1 or 2, it is characterised in that：Described reinforcing bar stone
Cage (2) is formed using Site Welding and piles up into triangle；And the fissure of displacement is piled up and adopted between adjacent described reinforced gabion (2)
It is linked to be an entirety with U-shaped nail.
4. composite foundation reinforcement gabion baffling structure according to claim 3, it is characterised in that：Described reinforced gabion
(2) include keel reinforcing bar (2.1) and fabricated bar (2.2), galvanized wire colligation is used between described fabricated bar (2.2)；
Described keel reinforcing bar (2.1) is located at the outside of described fabricated bar (2.2) and is welded to each other into an entirety.
5. composite foundation reinforcement gabion baffling structure according to claim 4, it is characterised in that：Described GSZ
(3) layered arrangement is in the inside of described filling body (5), and bottom of the described filling body (5) along described GSZ (3)
Stack from bottom to top in portion；The height of described reinforced gabion (2) of described GSZ (3) lateral length more than twice.
6. composite foundation reinforcement gabion baffling structure according to claim 5, it is characterised in that：Described loaded filter (4)
It is in tilted layout along on the inside of described reinforced gabion (2), the upper end of described loaded filter (4) and described reinforced gabion (2)
Upper end flushes.
7. the method for the composite foundation reinforcement gabion baffling structure in claim of constructing 1-6 described in any claim, it is special
Sign is：It comprises the following steps；
1., preparation of construction；Need progress levelling of the land, construction cushion coat laying, stake position unwrapping wire and construction equipment in place according to construction
Arrangement, vibrating impacter water spray center are less than 5 centimetres with design stake position centre deviation；
2., vibrating and impacting construction of ballast pile；Determine to shake according to the stake footpath size of foundation soil situation and the vibro-replacement stone column (1.1) needed
Type number is rushed, the sequence of construction of more vibro-replacement stone columns (1.1) is：In vibrating impacter centering in place → vibroflotation pore-forming, plasma discharge → hole
Filler, vibratory compaction → carry out next stage vibroflotation, until forming vibro-replacement stone column (1.1) in the foundation soil of composite foundation (1)；When
After a piece vibro-replacement stone column (1.1) is terminated, the position system of mobile vibrating impacter to next described vibro-replacement stone column (1.1)
Stake；
3., steel bar stone cage retaining wall construction；Pile up reinforced gabion (2) above described composite foundation (1), it is multiple described
Reinforced gabion (2), which misplaces, piles up into wall, and the block stone particle diameter in described reinforced gabion (2) is 25-40cm, and is not easy wind to be fresh
The rock of change；
4., embankment construction after barricade；Filling body (5), described filling body (5) are provided with after described reinforced gabion (2)
Using placement in layers, grinding compacting；GSZ (3) layering is arranged in described filling body (5), described GSZ
(3) lift height 50cm；Laying length of the described GSZ (3) in described filling body (5) is not less than twice of reinforcing bar
The height of gabion (2) barricade；Loaded filter (4) is set between the side of described reinforced gabion (2) and described filling body (5),
The thickness 1m of described loaded filter (4)；Described loaded filter (4) fills material and uses fresh building stones, and particle diameter should meet the level of correlation
With requiring.
8. the construction method of composite foundation reinforcement gabion baffling structure according to claim 7, it is characterised in that：Described
Filling body (5), reinforced gabion (2), loaded filter (4) three are using concordant construction and synchronous rising.
9. the construction method of composite foundation reinforcement gabion baffling structure according to claim 8, it is characterised in that：Described
Loaded filter (4) is in tilted layout along on the inside of described reinforced gabion (2), the upper end of described loaded filter (4) and described reinforcing bar
The upper end of gabion (2) flushes.
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| CN111764214A (en) * | 2020-07-15 | 2020-10-13 | 湖南省交建工程集团有限公司 | Three-dimensional reinforcement treatment construction method for soft soil roadbed geotechnical synthetic material |
| CN115418904A (en) * | 2022-10-09 | 2022-12-02 | 河北建筑工程学院 | Construction method for improving roadbed seismic structure |
| CN115478547A (en) * | 2022-10-17 | 2022-12-16 | 中国二十冶集团有限公司 | Method for arranging bridge and culvert conical slope gabion retaining wall |
| CN115852766A (en) * | 2022-11-16 | 2023-03-28 | 山东高速工程建设集团有限公司 | Construction method for filling subgrade with slag |
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| CN109826227A (en) * | 2019-01-03 | 2019-05-31 | 中交隧道工程局有限公司 | A kind of preparation method and its retaining wall of the bilateral slope mortar flag stone retaining wall of high mountain |
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| CN115478547A (en) * | 2022-10-17 | 2022-12-16 | 中国二十冶集团有限公司 | Method for arranging bridge and culvert conical slope gabion retaining wall |
| CN115478547B (en) * | 2022-10-17 | 2023-06-20 | 中国二十冶集团有限公司 | Setting method of bridge-culvert conical slope gabion retaining wall |
| CN115852766A (en) * | 2022-11-16 | 2023-03-28 | 山东高速工程建设集团有限公司 | Construction method for filling subgrade with slag |
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