CN103452130A - Prestressing force reinforcing mesh ribbing earth pillar plate type retaining wall - Google Patents
Prestressing force reinforcing mesh ribbing earth pillar plate type retaining wall Download PDFInfo
- Publication number
- CN103452130A CN103452130A CN2013103637568A CN201310363756A CN103452130A CN 103452130 A CN103452130 A CN 103452130A CN 2013103637568 A CN2013103637568 A CN 2013103637568A CN 201310363756 A CN201310363756 A CN 201310363756A CN 103452130 A CN103452130 A CN 103452130A
- Authority
- CN
- China
- Prior art keywords
- retaining wall
- barricade
- reinforcement
- column
- earth pillar
- 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.)
- Granted
Links
Images
Abstract
The invention discloses a prestressing force reinforcing mesh ribbing earth pillar plate type retaining wall. Roadbed filler is filled in space surrounded by the retaining wall, a reinforcing mesh is embedded into the roadbed filler, and the reinforcing mesh and the retaining wall are anchored to form an integral structure. According to the prestressing force reinforcing mesh ribbing earth pillar plate type retaining wall disclosed by the invention, the problems of insufficient bearing capacity of the foundation and insufficient base friction coefficient of the common retaining wall structures (such as a gravity-type earth-retaining wall, a balance weight type earth-retaining wall, a cantilever type earth-retaining wall and a counterfort type earth-retaining wall) are solved. In addition, the reinforcing mesh has high intensity and small deformation and has relatively low construction cost compared with the high-intensity soil engineering synthetic material. Because a pillar plate type structure is utilized, the prestressing force reinforcing mesh ribbing earth pillar plate type retaining wall has the advantages of clear stressing, obvious slope collection effect and attractive appearance. Due to the design of a prestressing force connecting piece, the disadvantages of big deformation of the ribbing earth retaining wall and possibility of externally extruding of the panel are overcome, and the integrality of the retaining wall structure is improved.
Description
Technical field
The present invention relates to the field of traffic such as railway, highway, town road, relate in particular to a kind of board-like barricade of prestressed reinforcement net reinforcement earth pillar that is applied to civil engineering embankment engineering.
Background technology
When the build (highway, town road, railway) of route while being subject to condition restriction, must be close to existing buildings by or while being subject to landform restriction not put slope, subgrade support retainer structure closing slope need to be set or build a bridge by, the roadbed cost of retaining structure is set generally lower than Cost of Bridge, commonly used is common reinforced earth bulkhead and the board-like anchor pole of post (anchor cable) barricade at present.
Reinforced earth bulkhead is to connect panel by the muscle band jointly to form wall-retaining structure with the soil body of muscle band stabilization zone, leans on the gravity of reinforced earth retaining wall structure to resist soil pressure.Construction quality is the key of earth structure success or failure, the muscle band in soil, play a role need to be larger distortion, if the muscle band in process of deployment not the straight panel construction that will cause of stretch-draw bulge, this is the common quality accident of reinforced earth retaining wall structure.Each piece panel is monomer structure, interconnects weakness, and construction and installation are also comparatively loaded down with trivial details, and the construction period extruding of filler counter plate also can cause the displacement of panel, and the appearance effect that Construction of Reinforced Earth Retaining Walls completes generally is difficult to reach the requirement of design.
The board-like anchor pole of post (anchor cable) barricade generally is applicable to the excavation slope project, and mainly the anchored force by anchor pole (anchor cable) overcomes soil pressure, is a board wall when pile foundation is set.Filled-up ground arranges the board-like anchor cable barricade of post (because filler provides anchored force inadequate, anchor pole is inapplicable), anchor cable need to be through filled-up ground, enter effective anchoring bearing stratum, only feasible at the abrupt slope filled-up ground, because anchor cable need to be through filler, Subgrade Compaction forms very large interference, often because roadbed rolls the destruction anchor cable structure, and anchor cable needs professional contingent and Special Equipment construction, and cost is also relatively high.
Summary of the invention
The technical problem to be solved in the present invention is to provide and a kind ofly can overcomes the board-like barricade of prestressed reinforcement net reinforcement earth pillar that geosynthetics is out of shape large shortcoming, can improves the reinforced earth bulkhead globality.
In order to solve the problems of the technologies described above, the invention provides the board-like barricade of a kind of prestressed reinforcement net reinforcement earth pillar, fill roadbed filling in the space surrounded at barricade, bury steel mesh reinforcement underground in described roadbed filling, described steel mesh reinforcement and barricade anchoring form an overall structure.
Further, described barricade includes column and baffle plate, and described baffle plate is arranged between adjacent upright posts, and the both sides of described column are provided with wing plate, and described wing plate and baffle plate closely paste and touch.
Further, described column and baffle plate are combining structure.
Further, described column and baffle plate are the integral cast-in-situ structure.
Further, described steel mesh reinforcement, by connector and column anchoring, evenly is provided with bolthole on described column, described connector includes shaped steel and anchor pole, described shaped steel and steel mesh reinforcement connect into integral body, and an end hook of described anchor pole is at the shaped steel middle part, and the other end is through bolthole and column anchoring.
Further, the bottom of described column is provided with basis, and the bottom of described roadbed filling is provided with bed course.
Further, described basis is pile foundation, the bottom reinforcement bars anchoring of the top rebars of described pile foundation and column.
Further, described bed course is Base with Sand Gravel Cushion, and the top of described Base with Sand Gravel Cushion is provided with base plate, and described base plate and column are connected to integral body.
Further, every a distance, a shrinkage joint all is set on base plate and baffle plate, described shrinkage joint is positioned at the centre position of two columns.
Further, described wall-retaining structure is arranged to the multilevel hierarchy form, between every adjacent two-stage, is provided with platform.
The present invention has the following advantages: the problems such as the bearing capacity of foundation soil that has at first solved common wall-retaining structure (as gravity retaining wall, balance weight retaining wall, cantilever retaining wall, counterfort retaining wall) not and the base friction factor is inadequate; Secondly steel mesh reinforcement intensity high, be out of shape little, relatively high-strength geosynthetics, cost is relatively low; Next utilizes the post plank frame, stressed distinct, and the closing slope effect is remarkable, good looking appearance; Again by the design of prestressing force connector, overcome the reinforced earth bulkhead distortion large, the shortcoming of the easy external drum of panel, improved the globality of wall-retaining structure.
The accompanying drawing explanation
Fig. 1 is the cross-sectional drawing of the board-like barricade of prestressed reinforcement net reinforcement earth pillar of the present invention;
Fig. 2 is the elevation of the board-like barricade of prestressed reinforcement net reinforcement earth pillar of the present invention;
Fig. 3 is the structure chart of steel mesh reinforcement of the present invention.
In figure, 1. column, 11. baffle plates, 12. boltholes, 2. steel mesh reinforcement, 3. connector, 31. shaped steel, 32. anchor poles, 4. bed course, 5. basis, 6. above-ground route, 7. roadbed filling.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described, so that those skilled in the art can better understand the present invention also, can be implemented, but illustrated embodiment is not as a limitation of the invention.
As shown in Figure 1, Figure 2 and Figure 3, the board-like barricade of a kind of prestressed reinforcement net reinforcement earth pillar, fill roadbed filling 7 in the space surrounded at barricade, the preferential gravel class filler that adopts of roadbed filling 7, and filler also can adopt the cohesive soil filler while lacking.Bury steel mesh reinforcement 2 underground in described roadbed filling 7, described steel mesh reinforcement 2 forms an overall structure with the barricade anchoring.
Described barricade includes column 1 and baffle plate 11, described baffle plate 11 is arranged between adjacent upright posts 1, the both sides of described column 1 are provided with wing plate, described wing plate and baffle plate 11 closely paste and touch, the soil pressure of baffle plate 11 being born by wing plate is delivered on column 1, column 1 adopts C25 and above steel concrete to build, its height, width, length are according to calculative determination, the baffle plate 11 that column is 1 adopts C25 and above steel concrete to build, and its height, width, length, thickness are to carry out calculative determination according to the spacing that reaches of column 1 height.
Described steel mesh reinforcement 2, by connector 3 and column 1 anchoring, evenly is provided with bolthole 12 on described column 1, in the present embodiment, on each column 1, can reserve 1 ~ 10 bolthole 12.Described steel mesh reinforcement 2 can adopt the reinforcing bar welding to form, also can become member (containing power transmission shaped steel) by producer's monobloc cast, steel mesh reinforcement 2 should be taked anti-corrosion measure, that anti-corrosion measure can adopt is zinc-plated, plastic-blasting, the measure such as spray paint, the diameter of the vertical width of steel mesh reinforcement 2, length, reinforcing bar and spacing are according to calculative determination, and same layer two width steel mesh reinforcements 2 carry out the colligation connection after laying.Described connector 3 includes shaped steel 31 and anchor pole 32, and described shaped steel 31 connects into integral body with steel mesh reinforcement 2, and an end hook of described anchor pole 32 is at shaped steel 32 middle parts, and the other end is through bolthole 12 and column 1 anchoring.
In the present embodiment, anchor pole 32 is high-strength finish rolling reinforcing bar, shaped steel 31 connects into integral body with steel mesh reinforcement 2, and an end hook of high-strength finish rolling reinforcing bar is at shaped steel 31 middle parts, through bolthole 12, stretch out the outer 30 ~ 80cm(of column 1 and be convenient to apply prestressing force), after applying prestressing force (according to the thickness that bankets, classification applies), adopt pad, nut to be anchored on column 1, after prestress application completes, excise unnecessary reinforcing bar sealing off and covering anchorage.
The bottom of described column 1 is provided with basis 5, and when bearing capacity of foundation soil is not enough, described basic 5 can be arranged to pile foundation, and pile foundation adopts C25 and above deposited reinforced concrete pile (or hole digging pile), and stake footpath, stake are long, pilespacing is according to calculative determination.The stake footpath generally is not less than 1.0m; The long need of stake meet requirement for bearing capacity, and vertically pilespacing generally is greater than 2.5m.The bottom reinforcement bars anchoring of the top rebars of described pile foundation and column 1, pile foundation top reinforcing bar connects into integral body (as adopted hole digging pile with column 1 reinforcing bar as far as possible, the column size should keep in full accord with hole digging pile, or slightly a little bit smaller), as pile foundation adopts drilled pile, pile foundation top master's muscle should stretch into 0.5 ~ 1.0m in column through base plate, and overlaps (or welding) with the main muscle of column 1.
The bottom of described roadbed filling 7 is provided with bed course 4, and described bed course 4 is Base with Sand Gravel Cushion, and Base with Sand Gravel Cushion adopts clean medium coarse sand or sand gravel, good grating should be arranged, thickness is generally got 50 ~ 100cm, and main rising got rid of groundwater effect, be not subject to the influence on groundwater area that Base with Sand Gravel Cushion can be set.
The top of described Base with Sand Gravel Cushion is provided with base plate, described base plate and column 1 are connected to integral body, when bearing capacity of foundation soil is not enough, can transverse bottom plate be set on Base with Sand Gravel Cushion top, transverse bottom plate and column 1 are connected to integral body, in column 1 and the junction of transverse bottom plate, chamfering can be set, chamfer dimesion can be according to calculative determination.Transverse bottom plate adopts C25 and above steel concrete to build, and thickness, width, length are according to calculative determination, and the transverse bottom plate bottom surface should not be above the ground level.
Every a distance, a shrinkage joint all is set on base plate and baffle plate 11, described shrinkage joint is positioned at the centre position of two columns 1.If be provided with reinforced concrete floor, every 10m ~ the 20m of the board-like barricade of prestressed reinforcement net reinforcement earth pillar is a unit, 2 ~ 3cm shrinkage joint is set between each unit, expansion joint setting is in the middle of the base plate of 1, two columns, as baffle plate 11 adopts cast-in-place structural, with the base plate shrinkage joint, for position, baffle plate 11 also needs to arrange shrinkage joint, filled bitumen hemp cut or waterproofing materials between seam.
Described wall-retaining structure is arranged to the multilevel hierarchy form, between every adjacent two-stage, is provided with platform.The width of platform is according to calculative determination.
Road structure designs separately, and when needs arrange anticollision barrier, guardrail should adopt reinforced concrete fence, and connects into integral body with column.
The problems such as the bearing capacity of foundation soil that the invention solves common wall-retaining structure (as gravity retaining wall, balance weight retaining wall, cantilever retaining wall, counterfort retaining wall) not and the base friction factor is inadequate; Secondly steel mesh reinforcement 2 intensity high, be out of shape little, relatively high-strength geosynthetics, cost is relatively low; Next utilizes the post plank frame, stressed distinct, and the closing slope effect is remarkable, good looking appearance; Again by the design of prestressing force connector 3, overcome the reinforced earth bulkhead distortion large, the shortcoming of the easy external drum of panel, improved the globality of wall-retaining structure.
The above embodiment is only the preferred embodiment for absolutely proving that the present invention lifts, and protection scope of the present invention is not limited to this.Being equal to that those skilled in the art do on basis of the present invention substitutes or conversion, all within protection scope of the present invention.Protection scope of the present invention is as the criterion with claims.
Claims (10)
1. the board-like barricade of prestressed reinforcement net reinforcement earth pillar, fill roadbed filling in the space surrounded at barricade, it is characterized in that, bury steel mesh reinforcement underground in described roadbed filling, described steel mesh reinforcement and barricade anchoring form an overall structure.
2. the board-like barricade of prestressed reinforcement net reinforcement earth pillar according to claim 1, it is characterized in that, described barricade includes column and baffle plate, and described baffle plate is arranged between adjacent upright posts, the both sides of described column are provided with wing plate, and described wing plate and baffle plate closely paste and touch.
3. the board-like barricade of prestressed reinforcement net reinforcement earth pillar according to claim 2, is characterized in that, described column and baffle plate are combining structure.
4. the board-like barricade of prestressed reinforcement net reinforcement earth pillar according to claim 2, is characterized in that, described column and baffle plate are the integral cast-in-situ structure.
5. according to the board-like barricade of the described prestressed reinforcement net of claim 3 or 4 reinforcement earth pillar, it is characterized in that, described steel mesh reinforcement is by connector and column anchoring, evenly be provided with bolthole on described column, described connector includes shaped steel and anchor pole, described shaped steel and steel mesh reinforcement connect into integral body, and an end hook of described anchor pole is at the shaped steel middle part, and the other end is through bolthole and column anchoring.
6. the board-like barricade of prestressed reinforcement net reinforcement earth pillar according to claim 5, is characterized in that, the bottom of described column is provided with basis, and the bottom of described roadbed filling is provided with bed course.
7. the board-like barricade of prestressed reinforcement net reinforcement earth pillar according to claim 6, is characterized in that, described basis is pile foundation, the bottom reinforcement bars anchoring of the top rebars of described pile foundation and column.
8. the board-like barricade of prestressed reinforcement net reinforcement earth pillar according to claim 6, is characterized in that, described bed course is Base with Sand Gravel Cushion, and the top of described Base with Sand Gravel Cushion is provided with base plate, and described base plate and column are connected to integral body.
9. the board-like barricade of prestressed reinforcement net reinforcement earth pillar according to claim 8, is characterized in that, every a distance, a shrinkage joint all is set on base plate and baffle plate, and described shrinkage joint is positioned at the centre position of two columns.
10. the board-like barricade of prestressed reinforcement net reinforcement earth pillar according to claim 1, is characterized in that, described wall-retaining structure is arranged to the multilevel hierarchy form, between every adjacent two-stage, is provided with platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310363756.8A CN103452130B (en) | 2013-08-20 | 2013-08-20 | The deformed bar net board-like barricade of reinforcement earth pillar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310363756.8A CN103452130B (en) | 2013-08-20 | 2013-08-20 | The deformed bar net board-like barricade of reinforcement earth pillar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103452130A true CN103452130A (en) | 2013-12-18 |
| CN103452130B CN103452130B (en) | 2016-08-31 |
Family
ID=49734937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310363756.8A Active CN103452130B (en) | 2013-08-20 | 2013-08-20 | The deformed bar net board-like barricade of reinforcement earth pillar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103452130B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106192884A (en) * | 2016-09-07 | 2016-12-07 | 蒋安美 | A kind of retaining wall for hydraulic engineering |
| CN106567404A (en) * | 2016-11-09 | 2017-04-19 | 中交公局第四工程有限公司 | Expansive soil cutting semi-rigid top retaining wall design and construction method |
| CN106760577A (en) * | 2016-12-30 | 2017-05-31 | 青岛旭域土工材料股份有限公司 | Frame module formula Polymer Geogrids Reinforced Earth safeguard structure and its construction method |
| CN107447775A (en) * | 2017-08-09 | 2017-12-08 | 中国地质环境监测院 | Landslide disaster body makes ground draining reinforced earth retaining wall structure |
| CN107524159A (en) * | 2017-01-19 | 2017-12-29 | 湖南大学 | A kind of hybrid reinforced soil retaining wall |
| CN107975062A (en) * | 2017-12-07 | 2018-05-01 | 中铁二院工程集团有限责任公司 | A kind of light-duty combination retaining structure of Steep Slope Embankment and construction method |
| CN111058475A (en) * | 2019-12-29 | 2020-04-24 | 中铁二院工程集团有限责任公司 | High-intensity seismic area pile foundation joist constant-weight retaining wall structure and construction method |
| CN111676999A (en) * | 2020-06-03 | 2020-09-18 | 安徽省交通规划设计研究总院股份有限公司 | Pile plate reinforced retaining wall and construction method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2310092Y (en) * | 1997-09-21 | 1999-03-10 | 湘潭工学院 | Reinforced concrete lattice type soil-stop wall |
| JP2003184091A (en) * | 2001-12-21 | 2003-07-03 | Kensetsu Kiso Eng Co Ltd | Embankment anchor |
| KR20070030082A (en) * | 2005-09-12 | 2007-03-15 | 이형훈 | Reinforced soil retaining wall prestressed to the horizontal direction and the construction method using the same |
| CN101838998A (en) * | 2010-04-27 | 2010-09-22 | 中国科学院武汉岩土力学研究所 | Prestressed anchor cable pile sliding wall along river road shoulder and construction method thereof |
| CN102493288A (en) * | 2011-11-29 | 2012-06-13 | 中铁第五勘察设计院集团有限公司 | Prefabricated L-shaped retaining structure |
| CN102966119A (en) * | 2012-12-05 | 2013-03-13 | 青岛旭域土工材料股份有限公司 | Geogrid reinforced wall and construction method thereof |
| CN203594048U (en) * | 2013-08-20 | 2014-05-14 | 中铁第四勘察设计院集团有限公司 | Prestressing force reinforcing mesh ribbing earth pillar plate type retaining wall |
-
2013
- 2013-08-20 CN CN201310363756.8A patent/CN103452130B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2310092Y (en) * | 1997-09-21 | 1999-03-10 | 湘潭工学院 | Reinforced concrete lattice type soil-stop wall |
| JP2003184091A (en) * | 2001-12-21 | 2003-07-03 | Kensetsu Kiso Eng Co Ltd | Embankment anchor |
| KR20070030082A (en) * | 2005-09-12 | 2007-03-15 | 이형훈 | Reinforced soil retaining wall prestressed to the horizontal direction and the construction method using the same |
| CN101838998A (en) * | 2010-04-27 | 2010-09-22 | 中国科学院武汉岩土力学研究所 | Prestressed anchor cable pile sliding wall along river road shoulder and construction method thereof |
| CN102493288A (en) * | 2011-11-29 | 2012-06-13 | 中铁第五勘察设计院集团有限公司 | Prefabricated L-shaped retaining structure |
| CN102966119A (en) * | 2012-12-05 | 2013-03-13 | 青岛旭域土工材料股份有限公司 | Geogrid reinforced wall and construction method thereof |
| CN203594048U (en) * | 2013-08-20 | 2014-05-14 | 中铁第四勘察设计院集团有限公司 | Prestressing force reinforcing mesh ribbing earth pillar plate type retaining wall |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106192884A (en) * | 2016-09-07 | 2016-12-07 | 蒋安美 | A kind of retaining wall for hydraulic engineering |
| CN106567404A (en) * | 2016-11-09 | 2017-04-19 | 中交公局第四工程有限公司 | Expansive soil cutting semi-rigid top retaining wall design and construction method |
| CN106760577A (en) * | 2016-12-30 | 2017-05-31 | 青岛旭域土工材料股份有限公司 | Frame module formula Polymer Geogrids Reinforced Earth safeguard structure and its construction method |
| CN107524159A (en) * | 2017-01-19 | 2017-12-29 | 湖南大学 | A kind of hybrid reinforced soil retaining wall |
| CN107524159B (en) * | 2017-01-19 | 2019-07-19 | 湖南大学 | A kind of hybrid reinforced soil retaining wall |
| CN107447775A (en) * | 2017-08-09 | 2017-12-08 | 中国地质环境监测院 | Landslide disaster body makes ground draining reinforced earth retaining wall structure |
| CN107975062A (en) * | 2017-12-07 | 2018-05-01 | 中铁二院工程集团有限责任公司 | A kind of light-duty combination retaining structure of Steep Slope Embankment and construction method |
| CN107975062B (en) * | 2017-12-07 | 2023-09-22 | 中铁二院工程集团有限责任公司 | Steep slope embankment light combined retaining structure and construction method |
| CN111058475A (en) * | 2019-12-29 | 2020-04-24 | 中铁二院工程集团有限责任公司 | High-intensity seismic area pile foundation joist constant-weight retaining wall structure and construction method |
| CN111676999A (en) * | 2020-06-03 | 2020-09-18 | 安徽省交通规划设计研究总院股份有限公司 | Pile plate reinforced retaining wall and construction method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103452130B (en) | 2016-08-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103452130B (en) | The deformed bar net board-like barricade of reinforcement earth pillar | |
| CN201125354Y (en) | Steep hill road bed branch block reinforced structure | |
| CN105155558A (en) | Combined retaining structure and construction method thereof | |
| CN201722704U (en) | Pre-stressed cantilever counter rib holding retaining wall | |
| CN109750571B (en) | Road collapse emergency and permanent retaining integrated structure and construction method | |
| CN101899839A (en) | Counter-pulled type rib retaining wall of pre-stressing force cantilever | |
| CN102966119A (en) | Geogrid reinforced wall and construction method thereof | |
| CN110700291A (en) | Combined retaining structure and construction method thereof | |
| CN203452092U (en) | T-shaped pile retaining wall | |
| CN101838957B (en) | Integral type T-shaped outer cantilever roads and construction method thereof | |
| CN203334154U (en) | Embankment structure for preventing bearing platform of pile foundation from stretching in roadbed under viaduct | |
| CN108468341A (en) | Friction pile-ripple steel arch-drawing anchor combination slope protection structure and construction method | |
| CN111705576A (en) | Steep slope high-filling roadbed structure adopting high-density EPS filler | |
| CN208415020U (en) | A kind of roadbed composite structure | |
| CN203594048U (en) | Prestressing force reinforcing mesh ribbing earth pillar plate type retaining wall | |
| CN113389220B (en) | Rock slope non-excavation road shoulder retaining wall and construction method thereof | |
| CN204940310U (en) | A kind of combination retaining structure | |
| CN113308957B (en) | Construction method of retaining wall light soil wide-spliced embankment | |
| CN214366089U (en) | Cable-stayed bridge type tunnel structure for crossing over super-huge karst cave | |
| CN210163739U (en) | Town road constructed based on prestressed concrete sheet piles | |
| CN210315650U (en) | Anchor rod reinforced composite retaining wall | |
| CN209368866U (en) | Abrupt slope road structure | |
| CN114922017B (en) | Newly-built cantilever type retaining wall-existing stake board wall roadbed group wide integrated configuration | |
| CN207891909U (en) | A kind of corrugated steel pipe overlapping cross section structure | |
| CN214362625U (en) | Light soil widening embankment anti-floating structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |