CN208219457U - A kind of rockfall is passively blocked construction - Google Patents
A kind of rockfall is passively blocked construction Download PDFInfo
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- CN208219457U CN208219457U CN201820683210.9U CN201820683210U CN208219457U CN 208219457 U CN208219457 U CN 208219457U CN 201820683210 U CN201820683210 U CN 201820683210U CN 208219457 U CN208219457 U CN 208219457U
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Abstract
A kind of rockfall construction of passively blocking to effectively improve shock resistance and protection height significantly improves reliability and durability.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 concrete stone cut off wall wall back 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 and treatment, in particular to a kind of rockfall is passively blocked construction, is suitable for complicated, difficult
Danger, high steep highway, railway slope rockfall training works.
Background technique
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-speed rail 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.
Summary of the invention
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 invention is passively blocked construction, it is characterized in that: including block tectosome, 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 back and packed sandy gravel buffer layer, and prolonged by the top of packed sandy gravel buffer layer along packed sandy gravel buffer layer outer slope
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 structure
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, high reliablity, strong shock resistance
The characteristics of, falling rocks is effectively dispersed and cut down to the energy dissipating buffering drain structure physical efficiency after being set to concrete stone cut off wall to blocking stone structure
Impact, raising blocks and constructs reliability and durability;Energy dissipating buffers drain structure body by packed sandy gravel buffer layer and energy dissipating
Damping drainage blanket composition, energy-dissipating and shock-absorbing drainage blanket are 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
Construct internal water accumulation out avoids water damage, significantly improves the durability for construction of blocking.
Detailed description of the invention
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 passively blocks and constructs medium-sized steel column set-up mode schematic diagram;
Fig. 5 is that a kind of rockfall of the present invention passively blocks and constructs medium-sized steel column set-up mode schematic diagram.
Component and corresponding label: stone cut off wall 11, flexible protective grid 12, packed sandy gravel buffer layer are shown in figure
21, energy-dissipating and shock-absorbing drainage blanket 22, ring spring pipeloop 23, permeable gauze pad 24, mortar flag stone stone falling channel 30, fashioned iron 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 embodiment
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
The top of concrete stone cut off wall is set.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 is as the undertaker of rock-fall impact with rigidity is big, durability is good, high reliablity, shock resistance energy
Falling rocks is effectively dispersed and cut down to the strong feature of power, the energy dissipating buffering drain structure physical efficiency after being set to concrete stone cut off wall 11 to blocking
The impact of stone structure improves reliability and durability.
Referring to Fig.1, the energy dissipating buffering drain structure body is 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 concrete stone cut off wall back 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.
Referring to Fig. 2, the energy-dissipating and shock-absorbing drainage blanket 22 is by the internal ring spring pipeloop 23 for hollow structure 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
Permeable gauze pad 24 with a thickness of 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.
Referring to Fig. 3 to Fig. 5, the flexible protective grid 12 is by fashioned iron column 41, steel strand wires 51, multiple twin hexagon net
52 and the flexible supporter that constitutes of buffering energy dissipator 54, fashioned iron column 41 is arranged at intervals at the top of concrete stone cut off wall 11
Portion, steel strand wires 51 arrange that steel strand wires 51 and both ends fashioned iron column 41 are connected using end lockset 53 along 41 longitudinal gap of fashioned iron column
It connects, and buffering energy dissipator 54 is set, multiple twin hexagon net 52 is hung on fashioned iron column 41 and steel strand wires 51.It is described flexible anti-
It protects and fashioned iron inclined support bar 42, fashioned iron column 41 and fashioned iron inclined support bar 42 is fixedly installed on the fashioned iron 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.Fashioned iron
41 middle 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, anchor cable spacing board 55 is set between two fashioned iron 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 specific structure and the scope of application, thus it is all it is all may be utilized it is corresponding modify with
And equivalent, belong to the applied the scope of the patents of the present invention.
Claims (6)
- The construction 1. a kind of rockfall is passively blocked, it is characterized in that: including block tectosome, energy dissipating buffering drain structure body and slurry It builds 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 buffers drain structure Body is made of packed sandy gravel buffer layer (21) and energy-dissipating and shock-absorbing drainage blanket (22), and packed sandy gravel buffer layer (21) fills into slope Body shape, energy-dissipating and shock-absorbing drainage blanket (22) be set to packed sandy gravel buffer layer (21) slope surface and concrete stone cut off wall (11) wall back with 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 structure 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 thickness of the permeable gauze pad (24) Degree 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 fashioned iron column (41), steel strand wires (51), multiple twin hexagon net (52) and buffering energy dissipator (54) constitute it is soft Property supporter, fashioned iron column (41) are arranged at intervals at the top of concrete stone cut off wall (11), and steel strand wires (51) are along fashioned iron column (41) longitudinal gap is arranged, steel strand wires (51) are connect with both ends fashioned iron column (41) using end lockset 53, and buffering is arranged and disappears Energy device (54), multiple twin hexagon net (52) are hung on fashioned iron 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) fashioned iron inclined support bar (42) are fixedly installed on the fashioned iron column (41) at both ends, fashioned iron column (41) and fashioned iron inclined support bar (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.
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108374358A (en) * | 2018-05-09 | 2018-08-07 | 中铁二院工程集团有限责任公司 | A kind of rockfall is passively blocked construction |
CN110306450A (en) * | 2019-06-20 | 2019-10-08 | 中铁二院工程集团有限责任公司 | A kind of light-duty falling rocks interception construction of high gradient slope |
CN110939078A (en) * | 2019-10-27 | 2020-03-31 | 中铁二院工程集团有限责任公司 | Combined structure for resisting high-energy rockfall of abrupt slope |
CN115323947A (en) * | 2022-07-27 | 2022-11-11 | 中铁二院工程集团有限责任公司 | Linkage type large-energy-level stone blocking structure and construction method thereof |
-
2018
- 2018-05-09 CN CN201820683210.9U patent/CN208219457U/en active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108374358A (en) * | 2018-05-09 | 2018-08-07 | 中铁二院工程集团有限责任公司 | A kind of rockfall is passively blocked construction |
CN110306450A (en) * | 2019-06-20 | 2019-10-08 | 中铁二院工程集团有限责任公司 | A kind of light-duty falling rocks interception construction of high gradient slope |
CN110939078A (en) * | 2019-10-27 | 2020-03-31 | 中铁二院工程集团有限责任公司 | Combined structure for resisting high-energy rockfall of abrupt slope |
CN115323947A (en) * | 2022-07-27 | 2022-11-11 | 中铁二院工程集团有限责任公司 | Linkage type large-energy-level stone blocking structure and construction method thereof |
CN115323947B (en) * | 2022-07-27 | 2023-06-20 | 中铁二院工程集团有限责任公司 | Linkage type large-energy-level stone blocking structure and construction method thereof |
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