CN110241746A - Cantilever truss type open type can restore flexible protective hangar tunnel - Google Patents
Cantilever truss type open type can restore flexible protective hangar tunnel Download PDFInfo
- Publication number
- CN110241746A CN110241746A CN201910555093.7A CN201910555093A CN110241746A CN 110241746 A CN110241746 A CN 110241746A CN 201910555093 A CN201910555093 A CN 201910555093A CN 110241746 A CN110241746 A CN 110241746A
- Authority
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- China
- Prior art keywords
- rope
- support
- truss
- hangar tunnel
- type
- 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
- 230000001681 protective effect Effects 0.000 title claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims description 33
- 239000010959 steel Substances 0.000 claims description 33
- 230000002452 interceptive effect Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 6
- 238000004140 cleaning Methods 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 239000011435 rock Substances 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 2
- 206010057071 Rectal tenesmus Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000004153 renaturation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 208000012271 tenesmus Diseases 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 238000004804 winding Methods 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
The present invention, which provides a kind of cantilever truss type open type, can restore flexible protective hangar tunnel, including base support structure and intercept net (3), buffer layer is provided on the base support structure, the intercept net (3) is arranged on the buffer layer and cross-brace rope (8) and longitudinal bracing rope (9).Cantilever truss type open type of the invention can restore flexible protective hangar tunnel convenient for construction, protection energy level is high, energy consumption rationally, self-cleaning can be achieved.
Description
Technical field
The present invention relates to slope protection project field, specifically a kind of cantilever truss type open type can restore flexible protective canopy
Hole.
Background technique
China is man, a Ge Duo mountain country, and geological disaster is very universal, wherein taken place frequently the most with falling rocks, collapse hazard again.State
Interior mountain area throughout Lin Ya highway toward up according to high gradient slope, under face entrenched valley, topography is narrow, and construction and excavation difficulty is big.Canopy
Hole guard system is a kind of important rock-fall protection measures.Hangar tunnel guard system be divided into traditional armored concrete hangar tunnel system and
Flexible hangar tunnel system.Flexible steel hangar tunnel system is by steel arch-shelf (support system), supporting rope, shackle (connection system) and wire rope net
Or ring network composition.Flexible steel hangar tunnel prevents the tenesmus of institute's zone of protection falling rocks soil body, absorbs and dispersion transmitting rock-fall impact is dynamic
Can, to play a protective role to region.
But existing flexible steel hangar tunnel, when building, both ends support needs stable basis fixed, and rock-fall impact gets off
Accumulation is likely to form to be not easily cleaned；Falling rocks directly hit support system when be easily destroyed structure, be damaged after replacement difficulty it is big.For
This, those skilled in the art be dedicated to construction is simpler, protection energy level is higher, can self-cleaning flexible hangar tunnel research.
Summary of the invention
In order to solve the problems in the prior art, the present invention provides that a kind of construction is simpler, protection energy level is higher, can be from clear
The cantilever truss type open type of reason can restore flexible protective hangar tunnel.
To achieve the goals above, The technical solution adopted by the invention is as follows:
The present invention, which provides a kind of cantilever truss type open type, can restore flexible protective hangar tunnel, including base support structure, slow
Rush layer and intercept net；
The base support structure includes multiple overhanging type steel truss, tie-rod, strut and the sunpender of compartment setting, steel truss
Between connected by tie-rod, strut one end is fixed on steel truss, and the other end is supported in massif structure, and sunpender one end is fixed on
On steel truss, the other end is stretched out to upper side, and outermost longitudinal bracing rope is slidably connected at the extension end of sunpender；
The buffer layer includes Spatial Cable support truss, and the Spatial Cable support truss includes that setting is winded up in overhanging type steel truss
Support Suo Zhu and the cross-brace rope and longitudinal bracing rope that are slidably connected on the rope stud；The adjacent support Suo Zhu group
At grid between be provided with flexible support；
The intercept net is set on the buffer layer and cross-brace rope and longitudinal bracing rope open flat made of enclosing
In face, the intercept net is connected by buckle to cross-brace rope and longitudinal bracing rope.
It further, further include drag-line, drag-line one end is connected on steel truss, and the other end is connected to massif.
Further, the support Suo Zhu is equipped with non-interfering horizontal concrete chute and longitudinal chute, and cross-brace rope is placed in
The horizontal concrete chute is interior, longitudinal bracing rope is placed in the longitudinal chute.
Further, one end of cross-brace rope is anchored in sunpender vertex, and the other end is anchored in tie-rod and overhanging type steel truss
Frame point of intersection.
Further, support rope column bottom is provided with flexible support between the grid of the support rope intercolumniation composition.
Further, between the adjacent overhanging type steel truss, between the rectangle that cross-brace rope and support Suo Zhu are formed,
And flexible support is provided between longitudinal bracing rope and the rectangle of support Suo Zhu formation.
Further, the flexible support is made of wirerope, is handed over along two diagonals of the grid or rectangle
Fork arrangement.
Further, energy consumer is disposed on longitudinal bracing rope and/or flexible support.
Further, piston rod is set on the tie-rod and/or strut.
Further, the intercept net and plane angulation are 20-50 degree.
The principle of the present invention are as follows: base support structure rigidity is moderate, can take into account buffering, take up little area, non-intrusion edge of workplace, reduces environment
The characteristics of interference；Buffer structure is for slowing down impact force of falling stone, guidance falling rocks to popping up outside highway, to realize that structure can be extensive
Multiple, self-cleaning function.
Compared with prior art, the invention has the following advantages:
(1) intercept net for passing through overhanging type steel truss top, takes up little area, non-intrusion edge of workplace, the road Lin Ya suitable for narrow space
Section reduces environmental disturbances.
(2) by increasing Spatial Cable support truss between steel truss support and intercept net, structure forms certain inclination angle, effectively
Guidance falling rocks prevents falling rocks from invading boundary to popping up outside highway, realizes structure self-cleaning.
(3) using piston rod and energy consumer as main dissipative member, so that the energy consumption form of hangar tunnel is reasonable, thus real
The existing recoverable function of structure.
In general, present inventive concept is ingenious, low in cost, and construction and installation are convenient, has extensive market prospects, is suitble to
It promotes the use of.
Detailed description of the invention
Fig. 1 is that a kind of cantilever truss type open type of the embodiment of the present invention can restore flexible protective hangar tunnel (removal intercept net)
Structural schematic diagram；
Fig. 2 is that a kind of cantilever truss type open type of the embodiment of the present invention can restore the axonometric drawing of flexible protective hangar tunnel；
Fig. 3 is that a kind of cantilever truss type open type of the embodiment of the present invention can restore the left view of flexible protective hangar tunnel；
Fig. 4 is that a kind of cantilever truss type open type of the embodiment of the present invention can restore the main view of flexible protective hangar tunnel.
In above-mentioned attached drawing, the corresponding component names of appended drawing reference are as follows:
1- overhanging type steel truss, 2- hold in the palm Suo Zhu, 3- intercept net, 4- strut, 5- sunpender, 6- tie-rod, 7- drag-line, 8- transverse direction branch
Support rope, 9- longitudinal bracing rope, 10- flexible support, 11- piston rod, 12- energy consumer, 13- massif.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples, and embodiments of the present invention include but is not limited to
The following example.
Cantilever truss type open type of the invention can restore flexible protective hangar tunnel, which is characterized in that including base layer support knot
Structure, buffer layer and intercept net 3；The base support structure includes multiple overhanging type steel truss 1 of compartment setting, tie-rod 6, strut
4 and sunpender 5, it is connected by tie-rod 6 between steel truss 1,4 one end of strut is fixed on steel truss 1, and the other end is supported on massif knot
On structure 13,5 one end of sunpender is fixed on steel truss 1, and the other end is stretched out to upper side, and the outermost sliding of longitudinal bracing rope 9 connects
It connects in the extension end of sunpender 5；The buffer layer includes Spatial Cable support truss, and the Spatial Cable support truss includes being arranged in overhanging type
The support Suo Zhu 2 that steel truss 1 winds up and the cross-brace rope 8 and longitudinal bracing rope 9 being slidably connected on the rope stud 2；Institute
It states and support 2 bottom Suo Zhu is provided with flexible support 10 between the grid formed between support Suo Zhu 2；The intercept net 3 is set to described
In open plane made of being enclosed on buffer layer and cross-brace rope 8 and longitudinal bracing rope 9.
It preferably, further include drag-line 7, drag-line 7 is connected to massif.
In one embodiment of the application, as Figure 1-Figure 4, including base support structure and intercept net 3, in bottom
Buffer layer is provided among support construction and intercept net 3, the intercept net 3 is placed in buffer layer and cross-brace rope 8 and longitudinal branch
On support rope 9.The base support structure includes that multiple overhanging type steel truss 1, tie-rod 6, strut 4, sunpender 5 and drag-line is arranged in compartment
7.4 one end of strut is fixed on steel truss 1, and the other end is supported in massif structure, and the buffer layer is Spatial Cable support truss, institute
Stating Spatial Cable support truss includes Suo Zhu 2 and being slidably connected on the rope stud in the setting support of winding up of overhanging type steel truss 1
Cross-brace rope 8 and longitudinal bracing rope 9.The support Suo Zhu is equipped with non-interfering horizontal concrete chute and longitudinal chute, laterally props up
Support rope 8 is placed in the horizontal concrete chute, and longitudinal bracing rope 9 is placed in the longitudinal chute；8 one end of cross-brace rope anchoring
In sunpender vertex, the other end is anchored in 1 point of intersection of tie-rod 6 and overhanging type steel truss.Between the grid formed between the support Suo Zhu 2
Support 2 bottom Suo Zhu is provided with flexible support 10.Between the overhanging type steel truss 1, between cross-brace rope 8 and support Suo Zhu 2
Between the rectangle of formation, flexible support 10 is provided between the rectangle that longitudinal bracing rope 9 and support Suo Zhu 2 are formed.The flexible branch
Support 10 is made of wirerope, along two diagonal arranged crosswises of the grid or rectangle.It can be extensive in order to guarantee structure
Piston rod can be arranged in tie-rod 6 and/or strut 4 in renaturation energy；Energy consumption is arranged on longitudinal bracing rope 9 and/or flexible support 10
Device.
When rock-fall impact cantilever truss type open type of the present invention can restore flexible protective hangar tunnel, sliding is linked at support Suo Zhu
Longitudinal bracing rope 9 and cross-brace rope 8 on 2 generate sliding dispersive stress relative to base support structure.Structure is formed centainly
Inclination angle effectively guides falling rocks to popping up outside highway, prevents falling rocks from invading boundary, realizes structure self-cleaning.
According to above-described embodiment, the present invention can be realized well.It is worth noting that before based on above-mentioned design principle
It puts, to solve same technical problem, even if making some changing without substance in content basis disclosed in this invention
Dynamic or polishing, the essence of used technical solution is still as the present invention, therefore it should also be as in protection scope of the present invention
It is interior.
Claims (10)
1. a kind of cantilever truss type open type can restore flexible protective hangar tunnel, which is characterized in that including base support structure, buffering
Layer and intercept net (3)；
The base support structure includes multiple overhanging type steel truss (1), tie-rod (6), strut (4) and the sunpender of compartment setting
(5), it is connected between steel truss (1) by tie-rod (6), strut (4) one end is fixed on steel truss (1), and the other end is supported on mountain
In body structure, sunpender (5) one end is fixed on steel truss (1), and the other end is stretched out to upper side, outermost longitudinal bracing rope
(9) it is slidably connected at the extension end of sunpender (5)；
The buffer layer includes Spatial Cable support truss, and the Spatial Cable support truss includes that setting is winded up in overhanging type steel truss (1)
Support Suo Zhu (2) and the cross-brace rope (8) and longitudinal bracing rope (9) that are slidably connected on the rope stud (2)；Adjacent
Flexible support (10) are provided between the grid of support Suo Zhu (2) composition；
The intercept net (3) is set on the buffer layer and cross-brace rope (8) and longitudinal bracing rope (9) and opens made of enclosing
In spacious plane, the intercept net (3) is connected by buckle to cross-brace rope (8) and longitudinal bracing rope (9).
2. cantilever truss type open type as described in claim 1 can restore flexible protective hangar tunnel, which is characterized in that further include drawing
Rope (7), drag-line one end are connected on steel truss, and the other end is connected to massif.
3. cantilever truss type open type as claimed in claim 1 or 2 can restore flexible protective hangar tunnel, which is characterized in that described
Suo Zhu (2) are ask to be equipped with non-interfering horizontal concrete chute and longitudinal chute, cross-brace rope (8) is placed in the horizontal concrete chute,
Longitudinal bracing rope (9) is placed in the longitudinal chute.
4. cantilever truss type open type as claimed in claim 1 or 2 can restore flexible protective hangar tunnel, which is characterized in that laterally
One end of supporting rope (8) is anchored in sunpender (5) vertex, and the other end is anchored in tie-rod (6) and overhanging type steel truss (1) point of intersection.
5. the cantilever truss type open type as described in one of claim 1-4 can restore flexible protective hangar tunnel, which is characterized in that institute
It states and support Suo Zhu (2) bottom is provided with flexible support (10) between the grid formed between support Suo Zhu (2).
6. the cantilever truss type open type as described in one of claim 1-4 can restore flexible protective hangar tunnel, which is characterized in that institute
Between the adjacent overhanging type steel truss (1) stated, between the rectangle that cross-brace rope (8) and support Suo Zhu (2) are formed and longitudinal prop up
Flexible support (10) are provided between support rope (9) and the rectangle for asking Suo Zhu (2) to be formed.
7. the cantilever truss type open type as described in one of claim 1-4 can restore flexible protective hangar tunnel, which is characterized in that institute
It states flexible support (10) to be made of wirerope, along two diagonal arranged crosswises of the grid or rectangle.
8. flexible hangar tunnel as described in claim 1, which is characterized in that on longitudinal bracing rope (9) and/or flexible support (10)
It is disposed with energy consumer (12).
9. cantilever truss type open type as described in claim 1 can restore flexible protective hangar tunnel, which is characterized in that in the system
Piston rod (11) are set on bar (6) and/or strut (4).
10. cantilever truss type open type as described in claim 1 can restore flexible protective hangar tunnel, which is characterized in that described to block
It cuts net (3) and plane angulation is 20-50 degree.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910555093.7A CN110241746A (en) | 2019-06-25 | 2019-06-25 | Cantilever truss type open type can restore flexible protective hangar tunnel |
| AU2020101111A AU2020101111A4 (en) | 2019-06-25 | 2020-06-24 | Cantilever truss supported resilient flexible protective shed tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910555093.7A CN110241746A (en) | 2019-06-25 | 2019-06-25 | Cantilever truss type open type can restore flexible protective hangar tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110241746A true CN110241746A (en) | 2019-09-17 |
Family
ID=67889363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910555093.7A Pending CN110241746A (en) | 2019-06-25 | 2019-06-25 | Cantilever truss type open type can restore flexible protective hangar tunnel |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110241746A (en) |
| AU (1) | AU2020101111A4 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112813862A (en) * | 2021-01-11 | 2021-05-18 | 西南交通大学 | Scenic spot plank road full-particle-size rockfall protection combined flexible glass net and installation method thereof |
| CN112818453A (en) * | 2021-02-08 | 2021-05-18 | 西南交通大学 | Flexible protection 4D energy control design method for rockfall disasters of high and steep side slopes |
| CN115262386A (en) * | 2022-08-30 | 2022-11-01 | 西南交通大学 | Vertical transposed shed tunnel for preventing rock fall of cross canyon bridge and disaster assessment method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111878108B (en) * | 2020-08-07 | 2024-05-28 | 云南大力神金属构件有限公司 | Tunnel maintenance spliced bracket system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203977313U (en) * | 2014-04-25 | 2014-12-03 | 桐乡市交通工程有限公司 | The broken falling rocks protector of a kind of massif |
| CN107558387A (en) * | 2017-10-25 | 2018-01-09 | 吉林大学 | Protect the novel combination type flexible hangar tunnel structure of high-altitude falling rocks and colluvial rubble |
| CN207210983U (en) * | 2017-08-23 | 2018-04-10 | 四川方成铁建建设工程有限公司 | A kind of cantilever flexible hangar tunnel |
| CN208379466U (en) * | 2017-06-05 | 2019-01-15 | 四川蜀通顺成建筑劳务有限公司 | Flexible hangar tunnel |
-
2019
- 2019-06-25 CN CN201910555093.7A patent/CN110241746A/en active Pending
-
2020
- 2020-06-24 AU AU2020101111A patent/AU2020101111A4/en not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203977313U (en) * | 2014-04-25 | 2014-12-03 | 桐乡市交通工程有限公司 | The broken falling rocks protector of a kind of massif |
| CN208379466U (en) * | 2017-06-05 | 2019-01-15 | 四川蜀通顺成建筑劳务有限公司 | Flexible hangar tunnel |
| CN207210983U (en) * | 2017-08-23 | 2018-04-10 | 四川方成铁建建设工程有限公司 | A kind of cantilever flexible hangar tunnel |
| CN107558387A (en) * | 2017-10-25 | 2018-01-09 | 吉林大学 | Protect the novel combination type flexible hangar tunnel structure of high-altitude falling rocks and colluvial rubble |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112813862A (en) * | 2021-01-11 | 2021-05-18 | 西南交通大学 | Scenic spot plank road full-particle-size rockfall protection combined flexible glass net and installation method thereof |
| CN112813862B (en) * | 2021-01-11 | 2021-11-05 | 西南交通大学 | Scenic spot plank road full-particle-size rockfall protection combined flexible glass net and installation method thereof |
| CN112818453A (en) * | 2021-02-08 | 2021-05-18 | 西南交通大学 | Flexible protection 4D energy control design method for rockfall disasters of high and steep side slopes |
| CN115262386A (en) * | 2022-08-30 | 2022-11-01 | 西南交通大学 | Vertical transposed shed tunnel for preventing rock fall of cross canyon bridge and disaster assessment method |
| CN115262386B (en) * | 2022-08-30 | 2023-09-15 | 西南交通大学 | Vertical transposition shed tunnel for falling stone protection of cross-canyon bridge and disaster assessment method |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2020101111A4 (en) | 2020-08-06 |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190917 |
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