CN108374358A - A kind of rockfall is passively blocked construction - Google Patents
A kind of rockfall is passively blocked construction Download PDFInfo
- Publication number
- CN108374358A CN108374358A CN201810434541.3A CN201810434541A CN108374358A CN 108374358 A CN108374358 A CN 108374358A CN 201810434541 A CN201810434541 A CN 201810434541A CN 108374358 A CN108374358 A CN 108374358A
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- China
- Prior art keywords
- wall
- stone
- rockfall
- construction
- shaped steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 26
- 239000004575 stone Substances 0.000 claims abstract description 60
- 230000003139 buffering effect Effects 0.000 claims abstract description 25
- 230000001681 protective effect Effects 0.000 claims abstract description 16
- 230000000903 blocking effect Effects 0.000 claims abstract description 15
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 12
- 239000011435 rock Substances 0.000 claims abstract description 12
- 239000002689 soil Substances 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 34
- 239000010959 steel Substances 0.000 claims description 34
- 239000000872 buffer Substances 0.000 claims description 23
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims description 2
- 238000005345 coagulation Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 239000002002 slurry Substances 0.000 claims 1
- 238000003466 welding Methods 0.000 claims 1
- 230000035939 shock Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 102000002322 Egg Proteins Human genes 0.000 description 1
- 108010000912 Egg Proteins Proteins 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004681 ovum Anatomy 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F7/00—Devices affording protection against snow, sand drifts, side-wind effects, snowslides, avalanches or falling rocks; Anti-dazzle arrangements ; Sight-screens for roads, e.g. to mask accident site
- E01F7/04—Devices affording protection against snowslides, avalanches or falling rocks, e.g. avalanche preventing structures, galleries
- E01F7/045—Devices specially adapted for protecting against falling rocks, e.g. galleries, nets, rock traps
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
A kind of rockfall construction of passively blocking significantly improves reliability and durability to effectively improve shock resistance and protection height.Including tectosome of blocking, energy dissipating buffering drain structure body and mortar flag stone stone falling channel；The tectosome of blocking includes concrete stone cut off wall and flexible protective grid, and concrete stone cut off wall is constructed on falling rocks side slope surface, and its underpart is seated on stable rock-soil layer, and flexible protective grid is fixed at the top of concrete stone cut off wall；Energy dissipating buffering drain structure body is located at after the concrete stone cut off wall wall back of the body and closely connected therewith, and exposed face forms and meets stoneledge face；The mortar flag stone stone falling channel is set to the outside of energy dissipating buffering drain structure body, lateral outer side and falling rocks side slope surface drop-over, laterally inboard and meets stoneledge face drop-over.
Description
Technical field
The present invention relates to rockfall prevention, more particularly to a kind of rockfall is passively blocked construction, is suitable for complicated, difficult
Danger, high steep highway, railway slope rockfall training works.
Background technology
In recent years, with the development of Southwestern China area high-speed railway, more and more railways are had to across geology feelings
The hard and dangerous location of condition complexity, rockfall regulation become an important topic for influencing high ferro safe operation.Traditional blocks stone
Wall management measure uses single structure form, and crag height of interception is insufficient, and shock resistance effect is bad, and protection energy level is not high.
Invention content
It passively blocks construction technical problem to be solved by the invention is to provide a kind of rockfall, to effectively improve anti-impact
Performance and protection height are hit, reliability and durability are significantly improved.
The technical solution adopted by the present invention to solve the technical problems is as follows：
A kind of rockfall of the present invention is passively blocked construction, it is characterized in that：Including tectosome of blocking, energy dissipating buffering draining
Tectosome and mortar flag stone stone falling channel；The tectosome of blocking includes concrete stone cut off wall and flexible protective grid, concrete
Stone cut off wall is constructed on falling rocks side slope surface, and its underpart is seated on stable rock-soil layer, and flexible protective grid is fixed at
The top of concrete stone cut off wall；Energy dissipating buffering drain structure body be located at it is after concrete stone cut off wall wall is carried on the back and closely connected therewith,
Stoneledge face is met in the formation of its exposed face；The mortar flag stone stone falling channel is set to the outside of energy dissipating buffering drain structure body, transverse direction
Outside and falling rocks side slope surface drop-over, laterally inboard and meet stoneledge face drop-over.
The energy dissipating buffering drain structure body is made of packed sandy gravel buffer layer and energy-dissipating and shock-absorbing drainage blanket, bagged sand ovum
Stone buffer layer fills into slopes shape, and energy-dissipating and shock-absorbing drainage blanket is set to packed sandy gravel buffer layer slope surface and concrete stone cut off wall wall
Between the back of the body and packed sandy gravel buffer layer, and prolonged along packed sandy gravel buffer layer outer slope by the top of packed sandy gravel buffer layer
Stretch to lower and mortar flag stone stone falling channel laterally inboard drop-over.
The energy-dissipating and shock-absorbing drainage blanket is by internal ring spring pipeloop and the solid netted knot of resilient three-dimensional for hollow-core construction
The permeable gauze pad of structure is combined, and ring spring pipeloop is arranged at intervals in permeable gauze pad.
The invention has the advantages that the main body for construction of blocking is by concrete stone cut off wall, flexible protective grid and energy dissipating
It buffers drain structure body to constitute, it is high that effectively interception can be improved in concrete stone cut off wall and the flexible protective grid being set at the top of it
Degree, concrete stone cut off wall as rock-fall impact the undertaker with rigidity is big, durability is good, reliability is high, strong shock resistance
The characteristics of, it is set to the effectively dispersion of the buffering drain structure of the energy dissipating after concrete stone cut off wall physical efficiency and cuts down falling rocks to blocking stone structure
Impact, raising blocks construction reliability and durability；Energy dissipating buffers drain structure body by packed sandy gravel buffer layer and energy dissipating
Damping drainage blanket forms, and energy-dissipating and shock-absorbing drainage blanket is combined by spring pipeloop and permeable gauze pad, can effectively weaken falling rocks to gear
The impact of wall, which not only has good buffering energy-absorbing performance, but also is arranged rapidly using its high-voidage, high hydraulic conductivity characteristic
Go out construct internal water accumulation, avoid water damage, significantly improves the durability for construction of blocking.
Description of the drawings
This specification includes following five width attached drawing：
Fig. 1 is that a kind of rockfall of the present invention is passively blocked the cross-section diagram of construction；
Fig. 2 is that a kind of rockfall of the present invention is passively blocked the cross-section diagram of energy-dissipating and shock-absorbing drainage blanket in construction；
Fig. 3 is that a kind of rockfall of the present invention is passively blocked the structure chart of flexible protective grid in construction；
Fig. 4 is that a kind of rockfall of the present invention is passively blocked the medium-sized steel column set-up mode schematic diagram of construction；
Fig. 5 is that a kind of rockfall of the present invention is passively blocked the medium-sized steel column set-up mode schematic diagram of construction.
Component and corresponding label are shown in figure：Stone cut off wall 11, flexible protective grid 12, packed sandy gravel buffer layer
21, energy-dissipating and shock-absorbing drainage blanket 22, ring spring pipeloop 23, permeable gauze pad 24, mortar flag stone stone falling channel 30, shaped steel column 41, type
Steel inclined support bar 42, pedestal connecting plate 43, U-shaped button 44, middle standing pillar 45, terminal column 46, steel hinge line 51, multiple twin hexagon net
52, end lockset 53, buffering energy dissipator 54, anchor cable spacing board 55, earth anchor 61.
Specific implementation mode
Present invention will be further explained below with reference to the attached drawings and examples.
Referring to Fig.1, a kind of rockfall of the present invention, which is passively blocked, constructs including tectosome of blocking, energy dissipating buffering drain structure
Body and mortar flag stone stone falling channel 30.The tectosome of blocking includes concrete stone cut off wall 11 and flexible protective grid 12, coagulation
Native stone cut off wall 11 is constructed on falling rocks side slope surface, and its underpart is seated on stable rock-soil layer, and flexible protective grid 12 is fixed
It is arranged at the top of concrete stone cut off wall.Energy dissipating buffering drain structure body be located at after 11 wall of concrete stone cut off wall is carried on the back and with
It is closely connected, exposed face formation meet stoneledge face.The mortar flag stone stone falling channel 30 is set to the outer of energy dissipating buffering drain structure body
Side, lateral outer side and falling rocks side slope surface drop-over and meet stoneledge face drop-over at laterally inboard.
Referring to Fig.1, concrete stone cut off wall 11 and the flexible protective grid 12 being set at the top of it can effectively improve protection
Highly, concrete stone cut off wall 11 as rock-fall impact the undertaker have rigidity is big, durability is good, reliability is high, shock resistance energy
The strong feature of power is set to the effectively dispersion of the buffering drain structure of the energy dissipating after concrete stone cut off wall 11 physical efficiency and cuts down falling rocks to blocking
The impact of stone structure improves reliability and durability.
Referring to Fig.1, the energy dissipating buffers drain structure body by packed sandy gravel buffer layer 21 and energy-dissipating and shock-absorbing drainage blanket 22
It constitutes, packed sandy gravel buffer layer 21 fills into slopes shape, and energy-dissipating and shock-absorbing drainage blanket 22 is set to packed sandy gravel buffer layer 21
Between slope surface and 11 wall of the concrete stone cut off wall back of the body and packed sandy gravel buffer layer 21, and by the top of packed sandy gravel buffer layer 21
It is extended to down and 30 laterally inboard drop-over of mortar flag stone stone falling channel along packed 21 outer slope of sandy gravel buffer layer.Energy dissipating buffering draining
Tectosome not only has good buffering energy-absorbing performance, but also can be discharged rapidly and construct using its high-voidage, high hydraulic conductivity characteristic
Internal ponding, avoids water damage, significantly improves the durability for construction of blocking.The mortar flag stone stone falling channel 30 removes two side slope of ejectment
Outside charge for remittance, while having both the effect for collecting falling rocks.
With reference to Fig. 2, the energy-dissipating and shock-absorbing drainage blanket 22 is by the internal ring spring pipeloop 23 for hollow-core construction and elasticity three
The permeable gauze pad 24 of dimension space network is combined, and ring spring pipeloop 23 is arranged at intervals in permeable gauze pad 24.It is described
The thickness of permeable gauze pad 24 is 30cm, elasticity modulus 0.05-0.5MPa, porosity of=60%.Energy-dissipating and shock-absorbing drainage blanket 22 is not only
Construct internal water accumulation is discharged rapidly with good buffering energy-absorbing performance, and using its high-voidage, high hydraulic conductivity characteristic, avoids
Water damage significantly improves the durability for construction of blocking.
With reference to Fig. 3 to Fig. 5, the flexible protective grid 12 is by shaped steel column 41, steel strand wires 51, multiple twin hexagon net
52 and the flexible supporter that constitutes of buffering energy dissipator 54, shaped steel column 41 is arranged at intervals at the top of concrete stone cut off wall 11
Portion, steel strand wires 51 are connected with both ends shaped steel column 41 using end lockset 53 along 41 longitudinally spaced arrangement of shaped steel column, steel strand wires 51
It connects, and buffering energy dissipator 54 is set, multiple twin hexagon net 52 is hung on shaped steel column 41 and steel strand wires 51.It is described flexible anti-
Protect fixed setting shaped steel inclined support bar 42, shaped steel column 41 and shaped steel inclined support bar 42 on the shaped steel column 41 at 12 both ends of grid
Pedestal connecting plate 43 is welded in end, and pedestal connecting plate 43 is fixedly connected by earth anchor 61 with 11 wall top of concrete stone cut off wall.Shaped steel
41 centre position of column is provided with middle standing pillar 45, and terminal position is provided with terminal column 46；Steel strand wires 51 and middle standing pillar 45
It is fixed using U-shaped button 44, setting anchor cable spacing board 55 between two shaped steel columns 41, to control anchor cable longitudinal pitch.
A kind of the above this rockfall that only explains through diagrams passively is blocked some principles of construction, be not intended to by
Shown in the present invention is confined to and in the concrete structure and the scope of application, thus it is every be possible to be utilized it is corresponding change with
And equivalent, belong to the apllied the scope of the claims of the present invention.
Claims (6)
- The construction 1. a kind of rockfall is passively blocked, it is characterized in that：Including tectosome of blocking, energy dissipating buffering drain structure body and slurry Build slabstone stone falling channel (30)；The tectosome of blocking includes concrete stone cut off wall (11) and flexible protective grid (12), coagulation Native stone cut off wall (11) is constructed on falling rocks side slope surface, and its underpart is seated on stable rock-soil layer, flexible protective grid (12) It is fixed at the top of concrete stone cut off wall；The energy dissipating buffering drain structure body is located at concrete stone cut off wall (11) wall and carries on the back it Afterwards and closely connected therewith, stoneledge face is met in exposed face formation；The mortar flag stone stone falling channel (30) is set to energy dissipating buffering draining structure Make the outside of body, lateral outer side and falling rocks side slope surface drop-over and meet stoneledge face drop-over at laterally inboard.
- The construction 2. a kind of rockfall as described in claim 1 is passively blocked, it is characterized in that：The energy dissipating buffering draining structure It makes body to be made of packed sandy gravel buffer layer (21) and energy-dissipating and shock-absorbing drainage blanket (22), packed sandy gravel buffer layer (21) is filled into Slopes shape, energy-dissipating and shock-absorbing drainage blanket (22) are set to packed sandy gravel buffer layer (21) slope surface and concrete stone cut off wall (11) wall back of the body Between packed sandy gravel buffer layer (21), and by the top of packed sandy gravel buffer layer (21) along packed sandy gravel buffer layer (21) outer slope extends to down and mortar flag stone stone falling channel (30) laterally inboard drop-over.
- The construction 3. a kind of rockfall as described in claim 1 is passively blocked, it is characterized in that：The energy-dissipating and shock-absorbing drainage blanket (22) the permeable gauze pad (24) by the internal ring spring pipeloop (23) for hollow-core construction and resilient three-dimensional space network is multiple It closes, ring spring pipeloop (23) is arranged at intervals in permeable gauze pad (24).
- The construction 4. a kind of rockfall as claimed in claim 3 is passively blocked, it is characterized in that：The permeable gauze pad (24) Thickness is 30cm, elasticity modulus 0.05-0.5MPa, porosity of=60%.
- The construction 5. a kind of rockfall as described in claim 1 is passively blocked, it is characterized in that：The flexible protective grid (12) be by shaped steel column (41), steel strand wires (51), multiple twin hexagon net (52) and buffering energy dissipator (54) constitute it is soft Property supporter, shaped steel column (41) are arranged at intervals at the top of concrete stone cut off wall (11), and steel strand wires (51) are along shaped steel column 41 Longitudinally spaced arrangement, steel strand wires (51) are connect with both ends shaped steel column (41) using end lockset 53, and buffering energy dissipating dress is arranged It sets (54), multiple twin hexagon net (52) is hung on shaped steel column (41) and steel strand wires (51).
- The construction 6. a kind of rockfall as described in claim 1 is passively blocked, it is characterized in that：The flexible protective grid (12) shaped steel inclined support bar (42), shaped steel column (41) and shaped steel inclined support bar are fixedly installed on the shaped steel column (41) at both ends (42) end welding pedestal connecting plate (43), pedestal connecting plate (43) are solid by earth anchor (61) and concrete stone cut off wall (11) wall top Fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810434541.3A CN108374358A (en) | 2018-05-09 | 2018-05-09 | A kind of rockfall is passively blocked construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810434541.3A CN108374358A (en) | 2018-05-09 | 2018-05-09 | A kind of rockfall is passively blocked construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108374358A true CN108374358A (en) | 2018-08-07 |
Family
ID=63033177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810434541.3A Pending CN108374358A (en) | 2018-05-09 | 2018-05-09 | A kind of rockfall is passively blocked construction |
Country Status (1)
| Country | Link |
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| CN (1) | CN108374358A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109027696A (en) * | 2018-09-13 | 2018-12-18 | 西南石油大学 | A kind of buried oil/gas pipe protection falling rocks structure |
| CN109356046A (en) * | 2018-10-31 | 2019-02-19 | 四川路航建设工程有限责任公司 | Grid steel construction keeps off stone walling and construction method |
| CN109811607A (en) * | 2019-02-26 | 2019-05-28 | 四川省交通运输厅公路规划勘察设计研究院 | Conducive to the light-duty high embankment structure in mountain area escarpment section and construction method taken precautions against natural calamities |
| CN110158495A (en) * | 2019-05-22 | 2019-08-23 | 中铁二院工程集团有限责任公司 | A kind of railway in operation abrupt slope cutting high position crag is blocked system and its construction method |
| CN111058464A (en) * | 2019-12-29 | 2020-04-24 | 中铁二院工程集团有限责任公司 | Dangerous rock protection structure of abrupt slope adjacent filling engineering and construction method |
| CN111764411A (en) * | 2020-06-30 | 2020-10-13 | 中铁二院工程集团有限责任公司 | Comprehensive protection structure and construction method for dangerous rock falling in steep slope section |
| CN113550240A (en) * | 2021-05-21 | 2021-10-26 | 国网浙江省电力有限公司湖州供电公司 | Side slope rolling stone protection device for electric power operation |
| CN115450234A (en) * | 2022-11-10 | 2022-12-09 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Blocking protection structure suitable for high-energy impact and construction method thereof |
| CN117418488A (en) * | 2023-12-18 | 2024-01-19 | 中国石油大学(华东) | Combined stone blocking wall construction method with energy consumption, shock absorption and drainage functions |
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| CN204738243U (en) * | 2015-07-03 | 2015-11-04 | 四川睿铁科技有限责任公司 | Novel flexible protection grating net |
| CN207031946U (en) * | 2017-08-01 | 2018-02-23 | 四川睿铁科技有限责任公司 | A kind of earthquake territory subgrade support retainer shock-damping structure |
| CN208219457U (en) * | 2018-05-09 | 2018-12-11 | 中铁二院工程集团有限责任公司 | A kind of rockfall is passively blocked construction |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2009084914A (en) * | 2007-10-01 | 2009-04-23 | Jfe Metal Products & Engineering Inc | Rock fall protective barrier |
| JP2011084918A (en) * | 2009-10-14 | 2011-04-28 | Nihon Samicon Co Ltd | Rockfall preventive guard structure |
| CN101736707A (en) * | 2009-12-15 | 2010-06-16 | 中国科学院水利部成都山地灾害与环境研究所 | Novel energy consumption damping stone blocking structure |
| CN102002917A (en) * | 2010-10-29 | 2011-04-06 | 中国科学院地质与地球物理研究所 | Method for preparing stone blocking dam by using waste and old rubber |
| CN103243665A (en) * | 2013-05-27 | 2013-08-14 | 中铁工程设计咨询集团有限公司 | Protection method and protection device for blocking deep cutting falling rocks |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109027696A (en) * | 2018-09-13 | 2018-12-18 | 西南石油大学 | A kind of buried oil/gas pipe protection falling rocks structure |
| CN109356046A (en) * | 2018-10-31 | 2019-02-19 | 四川路航建设工程有限责任公司 | Grid steel construction keeps off stone walling and construction method |
| CN109356046B (en) * | 2018-10-31 | 2024-03-26 | 四川路航建设工程有限责任公司 | Grille steel structure stone blocking wall and construction method |
| CN109811607A (en) * | 2019-02-26 | 2019-05-28 | 四川省交通运输厅公路规划勘察设计研究院 | Conducive to the light-duty high embankment structure in mountain area escarpment section and construction method taken precautions against natural calamities |
| CN110158495A (en) * | 2019-05-22 | 2019-08-23 | 中铁二院工程集团有限责任公司 | A kind of railway in operation abrupt slope cutting high position crag is blocked system and its construction method |
| CN111058464A (en) * | 2019-12-29 | 2020-04-24 | 中铁二院工程集团有限责任公司 | Dangerous rock protection structure of abrupt slope adjacent filling engineering and construction method |
| CN111764411A (en) * | 2020-06-30 | 2020-10-13 | 中铁二院工程集团有限责任公司 | Comprehensive protection structure and construction method for dangerous rock falling in steep slope section |
| CN113550240A (en) * | 2021-05-21 | 2021-10-26 | 国网浙江省电力有限公司湖州供电公司 | Side slope rolling stone protection device for electric power operation |
| CN115450234A (en) * | 2022-11-10 | 2022-12-09 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Blocking protection structure suitable for high-energy impact and construction method thereof |
| CN117418488A (en) * | 2023-12-18 | 2024-01-19 | 中国石油大学(华东) | Combined stone blocking wall construction method with energy consumption, shock absorption and drainage functions |
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Application publication date: 20180807 |