CN105421470B - Assembled anchor pole arched framework combined type ecological revetment construction method - Google Patents
Assembled anchor pole arched framework combined type ecological revetment construction method Download PDFInfo
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- CN105421470B CN105421470B CN201510794517.7A CN201510794517A CN105421470B CN 105421470 B CN105421470 B CN 105421470B CN 201510794517 A CN201510794517 A CN 201510794517A CN 105421470 B CN105421470 B CN 105421470B
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- anchor pole
- prefabricated
- arched framework
- counterfort
- arch ring
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- 238000010276 construction Methods 0.000 title claims abstract description 22
- 239000004567 concrete Substances 0.000 claims abstract description 11
- 238000005266 casting Methods 0.000 claims abstract description 10
- 238000005553 drilling Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims description 3
- 238000007569 slipcasting Methods 0.000 claims description 2
- 244000025254 Cannabis sativa Species 0.000 abstract description 6
- 239000002689 soil Substances 0.000 abstract description 6
- 238000011065 in-situ storage Methods 0.000 abstract description 4
- 239000007787 solid Substances 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 241000320721 Gymnopogon Species 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
- E02D17/202—Securing of slopes or inclines with flexible securing means
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/20—Restraining of underground water by damming or interrupting the passage of underground water by displacing the water, e.g. by compressed air
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Revetment (AREA)
Abstract
The present invention relates to a kind of assembled anchor pole arched framework combined type ecological revetment construction method, mainly include the following steps that：Anchor bolt construction, foundation trench are excavated, arched framework is installed, connect band is poured, anchor pole tensioning and careless blanket are transplanted.The characteristics of present invention has following and beneficial effect：The arch ring of arched framework is prefabricated in advance with counterfort, prefabricated counterfort reserves bolthole and reserved dowel with arch ring, the reserved dowel of prefabricated counterfort and prefabricated arch ring welds together and sets anchor pole, connect band casting concrete both ensure that the globality and stability of arched framework, the assembled in situ of arched framework and anchor pole is realized again, stability is strong, and efficiency of construction is high.Built-in three-dimensional subgrade drainage system is formed, drainage effect is good.Soil body exposed part sets ecological grass mat in arch ring, and ecological grass mat presses solid by the outer male structure of arched framework, is conducive to the protection and water and soil conservation of ecological environment.
Description
Technical field
The present invention relates to a kind of combined type ecological revetment construction method, more particularly to assembled anchor pole arched framework combined type
Ecological revetment construction method.
Technical background
Under the fast development of China's communication, high-fill roadbed Quantity is continuously increased.Due to high-fill roadbed
The particularity of itself, roadbed is easy to the situation for occurring coming down, and the safety traffic to vehicle causes strong influence.Therefore,
Higher requirement is proposed to high earth roadbed side slope protection.
Traditional bank protecting method is general using hard materials such as cement, building stones, concrete as main building materials, in design with power
Angle goes to think deeply stability of slope.Traditional bank protection is broadly divided into shallow-layer protection class bank protection, stone-laying class bank protection, sash shield
Slope, facing wall bank protection and the mixed class bank protection of spray.There are many shortcomings in traditional bank protecting method, such as：High-fill roadbed difficulty of construction is big,
Engineering time is long, and safety and stability is difficult to ensure that, the protection of high slope supporting and retaining system and pumping equipment are unsound, and tall earth fill bank protection is easy
There are the quality problems such as deformation, depression, and one-time investment is big, it is difficult to recover natural vegetation, be unfavorable for the guarantor of ecological environment
Shield and water and soil conservation.More dull stiff in appearance, the landscape in most cases with periphery is uncoordinated, with focusing on protecting at present
The development trend of ecological environment is disagreed.Although traditional anchor pole arched framework bank protection be conducive to improve soil layer safety coefficient and
Strengthen the stability of rock slope, this technology mitigates the deadweight of works, saves engineering material and ensures the peace of engineering significantly
Entirely and stably, while absorbing the advantage that is handsome in appearance, being easy to greening of mortar flag stone (concrete block) skeleton grass planting protection again,
But traditional arched framework bank protection is all cast-in-place, drainage system is also unsound, for high-fill roadbed difficulty of construction, bank protection
Easy impeded drainage and cause bank protection unstability.
In consideration of it, needing a kind of easy construction of invention badly at present, stability is strong, shortens the engineering time, and anchor pole and arch can be achieved
The assembled anchor pole arched framework combined type ecological revetment construction method of shape skeleton assembled in situ and built-in three-dimensional drainage system.
The content of the invention
It is an object of the invention to provide a kind of easy construction, stability is strong, shortens the engineering time, and anchor pole and arch can be achieved
The assembled anchor pole arched framework combined type ecology shield for the features such as drainage system is set inside shape skeleton assembled in situ, arched framework
Slope construction method.
To achieve the above object, present invention employs following technical scheme：
This assembled anchor pole arched framework combined type ecological revetment construction method, is mainly included the following steps that：
1) anchor bolt construction：Bolthole is drilled with using anhydrous dry drill method in side slope of embankment specified location, scaffold building it is good with
Afterwards, machinery according to the hole position set in advance, by bottom, progress by rows drills, and plays what a drilling, is laying anchor pole
Before, aperture must be blocked with material.When rig is drilled, drilling direction must be perpendicular to side slope face, uniform speed slow
Drilling rod is squeezed into embankment.Bolthole is drilled to after type, carries out borehole cleaning.Anchor pole positioning bar is set in the specified location of anchor pole, to protect
Card anchor pole is fixed on hole position center, and anchor pole manually inserts anchor pole in bolthole after making, and then carries out bolthole note
Slurry.
2) foundation trench is excavated：The method that arch form skeleton foundation trench uses hand excavation, foundation trench should be noted that physical dimension position when excavating
That puts is accurate, and anti-skidding step together is excavated every 2~3m in vertical skeleton foundation trench.For opening for arch ring circular arc portion foundation trench
Dig, answer the instrument of selection of small to be excavated to ensure that arch section is natural, smooth.
3) arched framework is installed：Sough sets pin wall after excavating, and then carries out prefabricated counterfort and prefabricated arch ring
Install, prefabricated counterfort A and prefabricated arch ring A are temporarily fixed in the arched framework foundation trench dug in advance, then to prefabricated counterfort A
Welded, built-in PVC drain pipe linked together with prefabricated arch ring A reserved arched framework cage bar using branch sleeve,
Anchor pole is linked together by anchor pole positioning bar with arched framework cage bar；L-type pvc pipe exposed parts set anti-blocking filter screen；Bank protection
The prefabricated counterfort B in top reserved thin PVC drain pipe outer wall applies one layer of marine glue, is then inserted into PVC drainings inside prefabricated arch ring B
In pipe, the prefabricated counterfort B in top and prefabricated arch ring A is connected and fixed by screw rod faulting of slab ends.
4) belt construction is connected：The anchor pole positioning bar of anchor pole and arched framework cage bar are welded for the part for reserving bolthole
Then the casting concrete into the reserved bolthole of prefabricated arched framework, is installed for prefabricated counterfort A with prefabricated arch ring A junctions
Template, then casting concrete.
5) anchor pole tensioning：After anchor pole tensioning, anchor pole is fixed with anchorage.
6) careless blanket transplanting：Careless blanket is snapped using arched framework and coordinates wooden peg to consolidate careless blanket.
The characteristics of present invention has following and beneficial effect：
(1) arch ring of arched framework is prefabricated in advance with counterfort, and prefabricated counterfort is reserved bolthole and reserved and is connected with arch ring
Muscle, the reserved dowel of prefabricated counterfort and prefabricated arch ring welds together and sets anchor pole, and connect band casting concrete both ensured
The globality and stability of arched framework, realizes the assembled in situ of arched framework and anchor pole again, and stability is strong, efficiency of construction
It is high.
(2) pre-buried drainpipe inside arched framework, drainpipe is connected by positioning steel ring and positioning bar with arched framework cage bar
Fixation is connect, the reserved drainpipe of prefabricated counterfort and arch ring is linked together by branch sleeve, form built-in three-dimensional roadbed row
Water system, drainage effect is good.
(3) soil body exposed part sets ecological grass mat in arch ring, and ecological grass mat presses solid by the outer male structure of arched framework,
Be conducive to the protection and water and soil conservation of ecological environment.
Brief description of the drawings
Fig. 1 is assembled anchor pole arched framework combined type ecological revetment schematic diagram of the present invention；
Fig. 2 is assembled anchor pole arched framework combined type ecological revetment detail side elevation；
Fig. 3 is delay-pour joint band detail side elevation；
Fig. 4 is faulting of slab ends connection and anchor pole detail side elevation；
Fig. 5 is PVC drain pipe positioning detail drawing inside arched framework；
Fig. 6 is the solid ecological grass mat detail drawing of arched framework pressure；
Fig. 7 delay-pour joints band arched framework cage bar, PVC drain pipe, anchor pole connection detail drawing；
The anchor pole that Fig. 8 is reserved in bolthole is connected detail drawing with arched framework cage bar；
Fig. 9 is construction flow chart of the present invention；
In figure：1. pin wall；2. gutter；3. prefabricated counterfort A；4. prefabricated arch ring A；5. anchor pole；6. reserved bolthole；
7.PVC drainpipes；8. branch sleeve；9.L type PVC drain pipes；10. sleeve pipe three-dimensional joint；11. screw rod；12. delay-pour joint band；
13. careless blanket；14. movement joint；15. curb；16. reserved screw hole；17. bolthole；18. pavement structure；19. embankment；20. anchor pole
Positioning bar；21. arched framework cage bar；The thin drainpipes of 22.PVC；23. position steel ring；24. spacer bar；25. outer row tank；
26. filter screen；27. wooden peg；28. mark time；29. prefabricated counterfort B；30. prefabricated arch ring B.
Embodiment
Fig. 1 is assembled anchor pole arched framework combined type ecological revetment schematic diagram of the present invention.Shown in reference picture 1, the present invention
High-fill roadbed assembled anchor pole arched framework combined type ecological revetment mainly includes：Prefabricated counterfort A 3, prefabricated counterfort B 29,
Prefabricated arch ring A 4, prefabricated arch ring B 30, anchor pole 5, reserved bolthole 6, PVC drain pipe 7, branch sleeve 8, L-type PVC drain pipe
9th, three joints 10 of sleeve pipe, careless blanket 13, screw rod 11.
Drilled first in side slope specified location according to design requirement, carry out anchor pole 5 and construct, then roadbed is slotted, install pre-
Counterfort A 3 processed and prefabricated arch ring A 4, arched framework cage bar 21, reserved PVC drain pipe 7 are carried out at delay-pour joint band 12 and is connected
And casting concrete, then tensioning is carried out to anchor pole 5, careless blanket 13 is pressed solid finally by arched framework.
Shown in reference picture 1, prefabricated arch ring A4 centre positions set anchor pole 5, and the prefabricated two ends of counterfort A 3 set anchor pole 5；It is prefabricated
Counterfort is divided into two kinds of connection types with prefabricated arch ring：PVC drain pipe 7 is connected by branch sleeve built at delay-pour joint band 12,
Prefabricated counterfort B 29 is connected and fixed with prefabricated arch ring B 30 by the faulting of slab ends of screw rod 11.
Shown in reference picture 2, the prefabricated counterfort B 29 of the superiors and prefabricated arch ring B 30 is connected and fixed by screw rod 11；
Remaining prefabricated counterfort 3 is together with prefabricated arch ring A4 and the one-piece casting of anchor pole 5；Gutter 2 is led in the built-in bottom of drainpipe 7.
Shown in reference picture 3 and Fig. 7, the arched framework cage bar 21 at delay-pour joint band 12 welds together；Built-in drainpipe 7
Linked together by branch sleeve 8；Anchor pole 5 is positioned in bolthole 17 by anchor pole positioning bar 20；Anchor pole 5 is fixed by anchor pole
Position muscle 20 welds together with arched framework cage bar 21.
Shown in reference picture 4, the reserved built-in thin drainpipes 22 of PVC of the prefabricated counterfort B 29 of the superiors are interspersed in prefabricated arch ring A4
Put in PVC drain pipe 7, prefabricated counterfort B 29 is linked together with the prefabricated faulting of slab ends of arch ring B 30 by screw rod 11.
Shown in reference picture 5, built-in PVC drain pipe 7 is by positioning steel ring 23 and spacer bar 24 and arched framework cage bar 21
Weld together.
Shown in reference picture 6, ecological grass mat 13 is snapped and coordinates wooden peg 27 to fix by prefabricated counterfort.
As shown in figure 9, the construction method of assembled anchor pole arched framework combined type ecological revetment, mainly including following step
Suddenly：
1) anchor bolt construction：Bolthole 17 is drilled with using anhydrous dry drill method in side slope of embankment specified location, scaffold building is good
After, machinery according to the hole position set in advance, by bottom, progress by rows drills, and plays what a drilling, is laying anchor
Before bar, aperture must be blocked with material.When rig is drilled, drilling direction must be perpendicular to side slope face, uniform speed slow
Ground squeezes into drilling rod in embankment.Bolthole is drilled to after type, carries out borehole cleaning.In the specified location of anchor pole, anchor pole positioning bar 20 is set,
To ensure that anchor pole 5 is fixed on the center of bolthole 17, anchor pole 5 manually inserts anchor pole 5 in bolthole 17 after making, then
Carry out the slip casting of bolthole 17.
2) road excavation：The method that arch form skeleton foundation trench uses hand excavation, foundation trench should be noted that physical dimension position when excavating
That puts is accurate, and anti-skidding step together is excavated every 2~3m in vertical skeleton foundation trench.For opening for arch ring circular arc portion foundation trench
Dig, answer the instrument of selection of small to be excavated to ensure that arch section is natural, smooth.
3) arched framework is installed：Sough sets pin wall 1 after excavating, and then carries out prefabricated counterfort A3 and Prefabricated arch
Enclose A4 to install, prefabricated counterfort A3 and prefabricated arch ring A4 are temporarily fixed in the arched framework foundation trench dug in advance, then to pre-
Counterfort A3 processed and prefabricated arch ring A4 arched framework cage bar 21 are welded, and are connected built-in PVC drain pipe 7 using branch sleeve 8
It is connected together, anchor pole 5 is linked together by anchor pole positioning bar 20 with arched framework cage bar 21；The exposed portion of L-type PVC drain pipe 9
Set up separately and put anti-blocking filter screen 26；The thin outer walls of drainpipe 22 of prefabricated counterfort B 29 reserved PVC apply one layer of marine glue at the top of bank protection, then
It is inserted into the thick PVC drain pipe 7 that the prefabricated inside of arch ring B 30 is set, the prefabricated counterfort B 29 in top and prefabricated arch ring B 30 passes through
The faulting of slab ends of screw rod 11 is connected and fixed.
4) connect band is poured：Part for reserving bolthole 6, by the spacer bar 24 of anchor pole 5 and arched framework cage bar
21 welding and then the casting concrete into the reserved bolthole 6 of prefabricated arched framework, for prefabricated counterfort A3 and prefabricated arch ring A4
Junction supporting module, then casting concrete.
5) anchor pole tensioning：After the tensioning of anchor pole 5, anchor pole 5 is fixed with anchorage.
6) careless blanket transplanting：Careless blanket 13 is snapped using arched framework and coordinates wooden peg 27 to fix.
Claims (1)
1. assembled anchor pole arched framework combined type ecological revetment construction method, it is characterised in that mainly include the following steps that：
1) anchor bolt construction：Bolthole (17) is drilled with using anhydrous dry drill method in side slope of embankment specified location, scaffold building it is good with
Afterwards, machinery according to the hole position set in advance, by bottom, progress by rows drills, and plays what a drilling, is laying anchor pole
(5) before, aperture must be blocked with material；When rig is drilled, drilling direction must be perpendicular to side slope face, uniform speed slow
Ground squeezes into drilling rod in embankment；Bolthole (17) is drilled to after type, carries out borehole cleaning；Anchor pole is set to determine in the specified location of anchor pole (5)
Position muscle (20), to ensure that anchor pole (5) is fixed on bolthole (17) center, after anchor pole (5) is made, anchor is inserted by anchor pole (5)
In rod aperture (17), bolthole (17) slip casting is then carried out；
2) foundation trench is excavated：Arch form skeleton foundation trench is excavated, and vertically one of Antiskid platform is excavated every 2~3m in arched framework foundation trench
Rank；
3) arched framework is installed：Sough sets pin wall (1) after excavating, and then carries out prefabricated counterfort A (3) and Prefabricated arch
Enclose A (4) to install, prefabricated counterfort A (3) and prefabricated arch ring A (4) are temporarily fixed in the arched framework foundation trench dug in advance, so
The arched framework cage bar (21) and the arched framework cage bar (21) of prefabricated arch ring A (4) to prefabricated counterfort A (3) are welded afterwards, profit
Built-in PVC drain pipe (7) is linked together with branch sleeve (8), anchor pole (5) passes through anchor pole positioning bar (20) and arched framework
Cage bar (21) links together；L-type PVC drain pipe (9) exposed parts set anti-blocking filter screen (26)；Prefabricated counterfort B at the top of bank protection
(29) the thin drainpipes of reserved PVC (22) outer wall applies one layer of marine glue, is then inserted into what is set inside prefabricated arch ring B (30)
In PVC drain pipe (7), the prefabricated counterfort A (3) in top is connected and fixed with prefabricated arch ring A (4) by screw rod (11) faulting of slab ends；
4) connect band is poured：Then the spacer bar (24) of anchor pole (5) and arched framework cage bar (21) is welded to prefabricated arch
Reserved bolthole (6) interior casting concrete of skeleton, for prefabricated counterfort A (3) and prefabricated arch ring A (4) junction supporting module,
Then casting concrete；
5) anchor pole tensioning：It is with anchorage that anchor pole (5) is fixed after anchor pole (5) tensioning；
6) careless blanket transplanting：Careless blanket (13) is snapped using arched framework cage bar (21) and coordinates wooden peg (27) that careless blanket (13) is steady
Gu.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510794517.7A CN105421470B (en) | 2015-11-18 | 2015-11-18 | Assembled anchor pole arched framework combined type ecological revetment construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510794517.7A CN105421470B (en) | 2015-11-18 | 2015-11-18 | Assembled anchor pole arched framework combined type ecological revetment construction method |
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| Publication Number | Publication Date |
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| CN105421470A CN105421470A (en) | 2016-03-23 |
| CN105421470B true CN105421470B (en) | 2017-09-08 |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105649093B (en) * | 2016-04-05 | 2017-03-08 | 山东净金新能源有限公司 | A kind of manufacture method for encircleing solid frame for public, railway tunnel |
| CN105839651A (en) * | 2016-05-16 | 2016-08-10 | 中交第公路勘察设计研究院有限公司 | Roadbed slope assembly type deformation self-adaptive protective framework and splicing method thereof |
| CN106869146A (en) * | 2017-02-22 | 2017-06-20 | 安徽省交通建设股份有限公司 | A kind of careless blanket ecoscape slope protection system and construction method |
| CN108532662A (en) * | 2018-05-30 | 2018-09-14 | 田振刚 | A kind of subgrade protection construction equipment and its application method |
| CN108487266A (en) * | 2018-06-01 | 2018-09-04 | 宁夏力丰农机制造有限公司 | A kind of cutting arched framework beam forms |
| CN108643205A (en) * | 2018-06-25 | 2018-10-12 | 成都市市政工程（集团）有限责任公司 | Arched framework slope protection construction method |
| CN110144906A (en) * | 2019-06-04 | 2019-08-20 | 中铁三局集团第二工程有限公司 | A kind of mechanical slotting method in railway slope protection construction |
| CN110409471A (en) * | 2019-08-27 | 2019-11-05 | 中水北方勘测设计研究有限责任公司 | Prefabricated supporting and retaining system guard assembly for soil-slope |
| CN110565659A (en) * | 2019-08-31 | 2019-12-13 | 安徽省交通规划设计研究总院股份有限公司 | Tenon-and-mortise type prefabricated interlocking block arched slope protection |
| CN111794184B (en) * | 2020-07-17 | 2021-03-05 | 中水生态勘测设计研究(广东)有限公司 | River course slope protection construction method |
| CN112376588A (en) * | 2020-11-28 | 2021-02-19 | 辽宁大学 | Stock ground beam adds grout rubble lattice slope protection integrated configuration |
| CN113463668A (en) * | 2021-07-21 | 2021-10-01 | 中信国安建工集团有限公司 | Highway slope stability protection structure and construction operation method |
| CN114108662B (en) * | 2021-11-16 | 2023-06-30 | 洛阳城市建设勘察设计院有限公司 | Novel roadbed precast block arch skeleton slope protection structure |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004084402A (en) * | 2002-08-29 | 2004-03-18 | Ohbayashi Corp | Fixing plate for greening, fixing structure for greening and method of construction |
| KR20050079706A (en) * | 2004-02-06 | 2005-08-11 | 최제인 | Slope protection structure and reinforcement method of construction attached to pressure shotsoils or soilcement |
| CN202164615U (en) * | 2011-07-26 | 2012-03-14 | 王建军 | Structure of ecological slope protection |
| CN102691306B (en) * | 2012-06-06 | 2014-07-09 | 中国科学院地质与地球物理研究所 | Environment-friendly and energy-saving slope protection bamboo-wood lattice beam for mountain highway |
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Inventor after: Xu Shen Inventor after: Hu Biao Inventor after: Huang Zanxu Inventor after: Hu Zhongqiang Inventor after: Tu Wenjun Inventor after: Zhang Wenhua Inventor before: Hu Biao Inventor before: Huang Zanxu Inventor before: Hu Zhongqiang Inventor before: Tu Wenjun Inventor before: Zhang Wenhua |
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