CN108842641B - Steel structure energy dissipation shed tunnel - Google Patents
Steel structure energy dissipation shed tunnel Download PDFInfo
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- CN108842641B CN108842641B CN201810836584.4A CN201810836584A CN108842641B CN 108842641 B CN108842641 B CN 108842641B CN 201810836584 A CN201810836584 A CN 201810836584A CN 108842641 B CN108842641 B CN 108842641B
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- column
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- 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
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- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The invention discloses a steel structure energy dissipation shed tunnel which comprises frame stand columns arranged on two transverse sides of a road and a ceiling arranged at the top ends of the frame stand columns, wherein the frame stand columns and the ceiling are both of steel structures, the top surface of the ceiling is arranged in a downward inclined manner along the transverse direction, and an upper elastic buffer structure is arranged between the ceiling and the frame stand columns along the vertical direction; through be provided with the elastic buffer structure along vertical between ceiling and frame stand, be favorable to reducing the momentum of falling the stone to steel construction energy dissipation hangar tunnel, simultaneously, set up the top surface of ceiling into along horizontal from inside to outside downward sloping, do benefit to the stone that falls and roll off, further improve shock resistance, when guaranteeing that hangar tunnel impact resistance is big, effectively reduce hangar tunnel cost, reduction of erection time and easy to maintain maintenance.
Description
Technical Field
The invention relates to the field of slope management, in particular to a steel structure energy dissipation shed tunnel.
Background
Due to the fact that mountains are high and steep, gullies are vertical and horizontal, geological conditions are poor, geological disasters occur frequently, and particularly serious rock rolling and falling disasters caused by collapse of dangerous rocks on highway side slopes bring severe challenges to traffic construction and transportation safety. In particular to the problems of the slide of the shallow surface layer of the side slope of the highway in the mountainous area, the rock fall of the high and steep side slope and the like, and the geological disasters of the highway, such as the rock fall and the like, are generally solved by arranging the concrete shed tunnel to protect the highway, but the existing reinforced concrete shed tunnel of the highway has the defects of high manufacturing cost, long construction period, difficult maintenance and the like, and meanwhile, the existing steel structure shed tunnel at the tunnel portal of the railway has the defects of poor impact resistance, unreasonable structural system, low industrialization level and the like.
Therefore, in order to solve the above problems, a steel structure energy dissipation shed tunnel is needed, which can effectively reduce the cost of the shed tunnel, shorten the construction period and is easy to maintain and repair while ensuring the large impact resistance of the shed tunnel.
Disclosure of Invention
In view of the above, the present invention aims to overcome the defects in the prior art, and provide a steel structure energy dissipation shed tunnel, which can ensure that the impact resistance of the shed tunnel is large, and at the same time, effectively reduce the cost of the shed tunnel, shorten the construction period, and is easy to maintain.
The steel structure energy dissipation shed tunnel comprises frame stand columns arranged on two transverse sides of a road and a ceiling arranged at the top ends of the frame stand columns, wherein the frame stand columns and the ceiling are both of steel structures, the top surface of the ceiling is arranged in a downward inclined mode along the transverse direction, and an upper elastic buffer structure is arranged between the ceiling and the frame stand columns along the vertical direction.
Furthermore, the ceiling comprises an inner upper upright column, an outer upper upright column and oblique cross beams, wherein the inner upper upright column and the outer upper upright column are arranged above the two lateral sides of the road, the oblique cross beams are connected between the top ends of the inner upper upright column and the top ends of the outer upper upright column, the oblique cross beams are distributed along the longitudinal direction, a plurality of purlins distributed along the lateral direction are arranged between two adjacent oblique cross beams, and barrier layers are covered on the purlins; the upper elastic buffer structure comprises an inner upper elastic buffer structure arranged at the bottom end of the inner upper upright post and an outer upper elastic buffer structure arranged at the upper position at the lower end of the outer upper upright post.
Furthermore, the purlines are arc-shaped, inverted V-shaped or linear.
Furthermore, a horizontal beam is fixedly arranged between the two transversely opposite frame upright columns; the frame upright posts are longitudinally arranged into a plurality of pieces, and a lower horizontal longitudinal beam is fixedly arranged between two longitudinally adjacent frame upright posts; the inner upper upright posts and the outer upper upright posts are respectively arranged into a plurality of pieces along the longitudinal direction, an inner upper horizontal longitudinal beam is fixedly arranged between two longitudinally adjacent inner upper upright posts, and an outer upper horizontal longitudinal beam is fixedly arranged between two longitudinally adjacent outer upper upright posts.
Furthermore, the elastic coefficient of the inner upper elastic buffer structure is greater than that of the outer upper elastic buffer structure; the oblique cross beam inclines downwards from inside to outside along the transverse direction.
Furthermore, the inner upper elastic buffer structure and the outer upper elastic buffer structure respectively comprise a column bottom plate fixed at the bottom of the inner upper upright column or the outer upper upright column, a column top plate fixed at the top end of the frame upright column and an upper vibration damping assembly arranged between the column bottom plate and the column bottom plate; and a guide limiting mechanism used for enabling the column bottom plate and the column top plate to be in sliding fit along the vertical single degree of freedom is further arranged between the column bottom plate and the column top plate.
Further, the direction stop gear is the guide bar that is fixed in capital plate bottom surface or capital plate top surface, capital plate or capital plate correspond the guide bar is provided with the guiding hole.
Further, a rubber shock pad is arranged between the column bottom plate and the column top plate; the column bottom plate and the column top plate are rectangular plates, limit stops for vertical limiting are arranged on the single side edges of the column bottom plate and the column top plate respectively, and the limit stops are in a channel steel shape and are buckled on the column bottom plate and the column top plate.
Furthermore, a lower elastic buffer structure is arranged between the frame upright post and the ground; the lower elastic buffer structure comprises a lower bottom plate fixed at the bottom of a frame upright post, a ground bottom plate fixed on a ground foundation, and a vertical guide mechanism and a lower vibration damping piece which are arranged between the lower bottom plate and the ground bottom plate, wherein the vertical guide mechanism comprises a guide inner sleeve of which the lower end is fixed on the ground bottom plate, a guide outer sleeve sleeved on the guide inner sleeve and a middle sliding sleeve of which the upper end is fixed on the bottom surface of the lower bottom plate, a guide sliding groove which is vertically distributed is formed between the guide inner sleeve and the guide outer sleeve, the lower end of the middle sliding sleeve is embedded into the guide sliding groove to form vertical sliding fit, a limiting bulge used for limiting the middle sliding sleeve to be separated from the guide sliding groove is arranged at the top of the guide sliding groove, and the lower vibration damping piece is a disc spring or a columnar spring which is arranged in the middle sliding sleeve and is used for vertical vibration damping.
Further, the frame upright positioned on the transverse inner side is also provided with an anchor rod for fixing the frame upright.
The invention has the beneficial effects that: according to the steel structure energy dissipation shed tunnel disclosed by the invention, the elastic buffer structure is vertically arranged between the ceiling and the frame upright column, so that the impulse of falling rocks to the steel structure energy dissipation shed tunnel is favorably reduced, meanwhile, the top surface of the ceiling is transversely inclined downwards from inside to outside, the falling rocks roll off favorably, the impact resistance is further improved, the large impact resistance of the shed tunnel is ensured, the manufacturing cost of the shed tunnel is effectively reduced, the construction period is shortened, and the shed tunnel is easy to maintain.
Drawings
The invention is further described below with reference to the following figures and examples:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of an upper elastic buffer structure according to the present invention;
FIG. 3 is a schematic structural view of a lower elastic buffer structure according to the present invention;
fig. 4 is a right side view of fig. 1.
Detailed Description
Fig. 1 is a schematic structural view of the present invention, fig. 2 is a schematic structural view of an upper elastic buffer structure of the present invention, fig. 3 is a schematic structural view of a lower elastic buffer structure of the present invention, and fig. 4 is a right side view of fig. 1, as shown in the drawings, the steel structure energy dissipation shed tunnel in the present embodiment includes frame columns 1 disposed on both lateral sides of a road and a ceiling disposed at the top ends of the frame columns 1, the frame columns 1 and the ceiling are both of steel structures, the top surface of the ceiling is disposed in a laterally downward inclined manner, and an upper elastic buffer structure is disposed vertically between the ceiling and the frame columns 1; the top surface of the ceiling is inclined downwards from inside to outside along the transverse direction, the inner side represents one side of a road backer, and the opposite side is the outer side; frame stand 1 sets up to many along vertically, and the cooperation ceiling forms the shed tunnel structure, through at ceiling and frame stand 1 between along vertical being provided with the elastic buffer structure, is favorable to reducing the momentum of falling the stone to steel construction energy dissipation shed tunnel, simultaneously, sets up the top surface of ceiling to along horizontal from inside to outside downward sloping, does benefit to falling the stone and rolls down, further improves shock resistance, when guaranteeing that shed tunnel impact resistance is big, effectively reduces shed tunnel cost, reduction of erection time and easy to maintain maintenance.
In the embodiment, the ceiling comprises an inner upper upright post 2, an outer upper upright post 3 and oblique cross beams 4 connected between the top ends of the inner upper upright post 2 and the outer upper upright post 3, wherein the inner upper upright post 2 and the outer upper upright post 3 are arranged above the two lateral sides of a road;
the upper elastic buffer structure comprises an inner upper elastic buffer structure arranged at the bottom end of the inner upper upright post 2 and an outer upper elastic buffer structure arranged at the upper position at the lower end of the outer upper upright post 3; the inclination angle of the oblique cross beam 4 is 3-7 degrees, preferably 5 degrees; through the arrangement of the ceiling with the structure, the structural strength of the ceiling is high, the ceiling is convenient to install, and the assembly period is shortened.
In this embodiment, the purline 5 is arc-shaped, inverted V-shaped or linear; the purlines 5 are of steel structures, and the protruding direction of the purlines 5 of arc structures is upward along the vertical direction, so that the purlines 5 are more favorable for elastic deformation, and the impact resistance is improved; the purlines 5 of the inverted V-shaped structure are easy to form an inverted V-shaped shed top surface, sharp parts of the purlines are beneficial to breaking falling rocks, the straight-line-shaped purlines 5 are beneficial to the plane of the shed top, and the appearance is more attractive.
In the embodiment, a horizontal beam 6 is also fixedly arranged between the two transversely opposite frame upright posts 1; the frame upright posts 1 are longitudinally arranged into a plurality of pieces, and a lower horizontal longitudinal beam 7 is fixedly arranged between two longitudinally adjacent frame upright posts 1; the inner upper upright posts 2 and the outer upper upright posts 3 are respectively arranged into a plurality of pieces along the longitudinal direction, an inner upper horizontal longitudinal beam 8 is fixedly arranged between two longitudinally adjacent inner upper upright posts 2, and an outer upper horizontal longitudinal beam 8 is fixedly arranged between two longitudinally adjacent outer upper upright posts 3; an X-shaped inclined strut 9 is further arranged between two vertical adjacent frame upright columns 1, so that the fixing strength of the frame upright columns 1 is further improved, and the strength of the whole structure is improved.
In this embodiment, the elastic coefficient of the inner upper elastic buffer structure is greater than the elastic coefficient of the outer upper elastic buffer structure; the oblique cross beam 4 inclines downwards from inside to outside along the transverse direction; when blanking impacts the ceiling downwards, the ceiling can rotate slightly under the combined action of the inner upper elastic buffer structure and the outer upper elastic buffer structure with different elastic coefficients, so that the impulse is further reduced, and the impact resistance is improved.
In this embodiment, the upper elastic buffer structures of the inner and outer upper elastic buffer structures each include a column bottom plate 10 fixed to the bottom of the inner upper column 2 or the outer upper column 3, a column top plate 11 fixed to the top end of the frame vertical rod, and an upper vibration damping assembly disposed between the column bottom plate 10 and the column bottom plate 10; a guide limiting mechanism used for enabling the column bottom plate 10 and the column top plate 11 to be in sliding fit along the vertical single degree of freedom is further arranged between the column bottom plate 10 and the column top plate 11; the upper vibration reduction assembly is composed of four cylindrical springs which are distributed in a horizontal plane.
In this embodiment, the guiding and limiting mechanism is a guiding rod fixed on the bottom surface of the column bottom plate 10 or the top surface of the column top plate 11, and the column top plate 11 or the column bottom plate 10 is provided with a guiding hole corresponding to the guiding rod; of course, the column bottom plate 10 and the column top plate 11 may both be provided with guide holes, a guide rod penetrates through the two guide holes to realize guiding and limiting, and meanwhile, a guide sleeve sleeved on the guide rod may be further fixedly arranged in the column, so as to further improve the stability of guiding and limiting.
In this embodiment, a rubber shock pad 12 is further disposed between the column bottom plate 10 and the column top plate 11; the column bottom plate 10 and the column top plate 11 are rectangular plates, limit stops 13 for vertical limiting are respectively arranged on one side edges of the column bottom plate 10 and the column top plate 11, two limit stops are arranged on one side edge of the column bottom plate, and the limit stops 13 are in a channel steel shape and are buckled on the column bottom plate 10 and the column top plate 11; rubber shock pad 12 combines the cylindrical spring shock attenuation, does benefit to and improves the shock attenuation effect, and limit stop 13 is used for avoiding the guide bar to break away from the guiding hole that the stand bottom plate 10 and the stand top plate 11 apart from too big under the spring return spring action.
In this embodiment, a lower elastic buffer structure is further arranged between the frame upright post 1 and the ground; the lower elastic buffer structure comprises a lower bottom plate 14 fixed at the bottom of the frame upright post 1, a ground bottom plate 15 fixed on a ground foundation, and a vertical guide mechanism and a lower vibration damping member which are arranged between the lower bottom plate 14 and the ground bottom plate 15, wherein the vertical guide mechanism comprises a guide inner sleeve 16 of which the lower end is fixed on the ground bottom plate 15, a guide outer sleeve sleeved on the guide inner sleeve 16 and a middle sliding sleeve of which the upper end is fixed on the bottom surface of the lower bottom plate 14, a guide sliding groove 18 which is vertically distributed is formed between the guide inner sleeve 16 and the guide outer sleeve 17, the lower end of the middle sliding sleeve is embedded into the guide sliding groove 18 to form vertical sliding fit, a limiting bulge 21 used for limiting the middle sliding sleeve 19 to be separated from the guide sliding groove 18 is arranged at the top of the guide sliding groove 18, and the lower vibration damping member is a disc spring 20 or a columnar spring which is arranged in the middle sliding sleeve 19 and used for vertical vibration damping; the column bottom plate 10 and the corresponding inner upper column 2 or outer upper column 3 bracket are provided with reinforcing rib plates, and a reinforcing rib plate 23 is also arranged between the column top plate 11 and the frame column 1; the fixed outer bulge loop 22 that is provided with of bottom excircle of middle sliding sleeve, outer bulge loop 22 blocks the cooperation with spacing arch 21 along vertical to realize middle slip spacing.
In this embodiment, the frame upright 1 located at the laterally inner side is further provided with an anchor rod 24 for fixing the frame upright 1; as shown in the figure, the anchor rod 24 is beneficial to improving the anti-tilting capability of the frame upright post 1 and ensuring that the overall structural strength of the shed tunnel is high.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (5)
1. The utility model provides a steel construction energy dissipation hangar tunnel which characterized in that: the frame upright post and the ceiling are both steel structures, the top surface of the ceiling is arranged in a transversely downward inclined manner, and an upper elastic buffer structure is arranged between the ceiling and the frame upright post in a vertical direction; an X-shaped inclined strut is also arranged between two adjacent vertical frame columns in the longitudinal direction;
the ceiling comprises an inner upper upright column, an outer upper upright column and an inclined cross beam, wherein the inner upper upright column and the outer upper upright column are arranged above the two transverse sides of a road, the inclined cross beam is connected between the top ends of the inner upper upright column and the outer upper upright column, the inclined angle of the inclined cross beam is 3-7 degrees, the inclined cross beams are distributed along the longitudinal direction, a plurality of purlins distributed along the transverse direction are arranged between two adjacent inclined cross beams, and barrier layers are covered on the purlins; the upper elastic buffer structure comprises an inner upper elastic buffer structure arranged at the bottom end of the inner upper upright post and an outer upper elastic buffer structure arranged at the upper position at the lower end of the outer upper upright post;
the elastic coefficient of the inner upper elastic buffer structure is greater than that of the outer upper elastic buffer structure; the oblique cross beam inclines downwards from inside to outside along the transverse direction;
the inner upper elastic buffer structure and the outer upper elastic buffer structure respectively comprise a column bottom plate fixed at the bottom of the inner upper upright column or the outer upper upright column, a column top plate fixed at the top end of the frame upright column and an upper vibration damping assembly arranged between the column bottom plate and the column bottom plate; a guide limiting mechanism used for enabling the column bottom plate and the column top plate to be in sliding fit along the vertical single degree of freedom is further arranged between the column bottom plate and the column top plate;
the guide limiting mechanism is a guide rod fixed on the bottom surface of the column bottom plate or the top surface of the column top plate, and the column top plate or the column bottom plate is provided with a guide hole corresponding to the guide rod;
a lower elastic buffer structure is also arranged between the frame upright post and the ground;
the lower elastic buffer structure comprises a lower bottom plate fixed at the bottom of a frame upright post, a ground bottom plate fixed on a ground foundation, and a vertical guide mechanism and a lower vibration damping piece which are arranged between the lower bottom plate and the ground bottom plate, wherein the vertical guide mechanism comprises a guide inner sleeve of which the lower end is fixed on the ground bottom plate, a guide outer sleeve sleeved on the guide inner sleeve and a middle sliding sleeve of which the upper end is fixed on the bottom surface of the lower bottom plate, a guide sliding groove which is vertically distributed is formed between the guide inner sleeve and the guide outer sleeve, the lower end of the middle sliding sleeve is embedded into the guide sliding groove to form vertical sliding fit, a limiting bulge used for limiting the middle sliding sleeve to be separated from the guide sliding groove is arranged at the top of the guide sliding groove, and the lower vibration damping piece is a disc spring or a columnar spring which is arranged in the middle sliding sleeve and is used for vertical vibration damping.
2. The steel structure energy dissipation shed tunnel of claim 1, wherein: the purlines are arc-shaped, inverted V-shaped or linear.
3. The steel structure energy dissipation shed tunnel of claim 2, wherein: a horizontal beam is fixedly arranged between the two transversely opposite frame upright posts; the frame upright posts are longitudinally arranged into a plurality of pieces, and a lower horizontal longitudinal beam is fixedly arranged between two longitudinally adjacent frame upright posts; the inner upper upright posts and the outer upper upright posts are respectively arranged into a plurality of pieces along the longitudinal direction, an inner upper horizontal longitudinal beam is fixedly arranged between two longitudinally adjacent inner upper upright posts, and an outer upper horizontal longitudinal beam is fixedly arranged between two longitudinally adjacent outer upper upright posts.
4. The steel structure energy dissipation shed tunnel of claim 1, wherein: a rubber shock pad is arranged between the column bottom plate and the column top plate; the column bottom plate and the column top plate are rectangular plates, limit stops for vertical limiting are arranged on the single side edges of the column bottom plate and the column top plate respectively, and the limit stops are in a channel steel shape and are buckled on the column bottom plate and the column top plate.
5. The steel structure energy dissipation shed tunnel of claim 1, wherein: the frame upright located on the transverse inner side is also provided with an anchor rod for fixing the frame upright.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810836584.4A CN108842641B (en) | 2018-07-26 | 2018-07-26 | Steel structure energy dissipation shed tunnel |
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| CN201810836584.4A CN108842641B (en) | 2018-07-26 | 2018-07-26 | Steel structure energy dissipation shed tunnel |
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| CN108842641B true CN108842641B (en) | 2021-07-23 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322394A (en) * | 2018-12-11 | 2019-02-12 | 辰信重工（江苏）有限公司 | A kind of connection structure of steel structure column and steel structure girder |
| CN111101966A (en) * | 2019-12-29 | 2020-05-05 | 中铁二院工程集团有限责任公司 | Large karst cavity rockfall-preventing elastic tunnel structure and construction method |
| CN111893906B (en) * | 2020-06-29 | 2022-03-22 | 中铁第一勘察设计院集团有限公司 | Shed tunnel construction method |
| CN111893864B (en) * | 2020-06-29 | 2022-03-22 | 中铁第一勘察设计院集团有限公司 | Shed tunnel suitable for long-span through-type steel truss arch bridge |
| CN112647438A (en) * | 2020-12-30 | 2021-04-13 | 中国船舶重工集团应急预警与救援装备股份有限公司 | Can assemble fast, folding prevent falling rocks device |
| CN113073580B (en) * | 2021-04-07 | 2022-09-02 | 交通运输部公路科学研究所 | Lightweight concrete shed tunnel protective structure |
| CN113403972B (en) * | 2021-07-28 | 2022-08-09 | 中铁建新疆京新高速公路有限公司 | Energy dissipation shed frame structure for preventing rock fall damage in highway construction |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967802A (en) * | 2010-07-30 | 2011-02-09 | 陈洪凯 | Energy-dissipating hangar tunnel and energy-dissipating supporting base thereof |
| CN106522274A (en) * | 2017-01-10 | 2017-03-22 | 吉林大学 | Assembly type spring energy dissipation cushion protecting structure for preventing landfall and rockfall of top of shed chamber |
| CN106836036A (en) * | 2017-03-30 | 2017-06-13 | 中铁二院工程集团有限责任公司 | A kind of elastic energy dissipating tunnel shed hole structure and construction method |
| CN207392068U (en) * | 2017-10-25 | 2018-05-22 | 吉林大学 | Protect the novel combination type flexible hangar tunnel structure of high-altitude falling rocks and colluvial rubble |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101424702B (en) * | 2007-10-29 | 2010-07-28 | 京元电子股份有限公司 | Probe, test socket and tester thereof |
| CN201843381U (en) * | 2010-09-27 | 2011-05-25 | 任志夫 | Combined container made of plastic section bar |
| JP2017128895A (en) * | 2016-01-19 | 2017-07-27 | 三菱重工業株式会社 | Impact damping mechanism of protection net, reinforcing mechanism of protection net, and plant facility |
| CN106638340A (en) * | 2016-12-02 | 2017-05-10 | 大连理工大学 | Combined energy dissipation shed frame structure for preventing rockfall of high and steep slope in earthquake region |
| CN107044094A (en) * | 2017-05-27 | 2017-08-15 | 陕西中咨土木工程技术研究院有限公司 | A kind of tunnel face rockfall multistage protection method and its structure |
-
2018
- 2018-07-26 CN CN201810836584.4A patent/CN108842641B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967802A (en) * | 2010-07-30 | 2011-02-09 | 陈洪凯 | Energy-dissipating hangar tunnel and energy-dissipating supporting base thereof |
| CN106522274A (en) * | 2017-01-10 | 2017-03-22 | 吉林大学 | Assembly type spring energy dissipation cushion protecting structure for preventing landfall and rockfall of top of shed chamber |
| CN106836036A (en) * | 2017-03-30 | 2017-06-13 | 中铁二院工程集团有限责任公司 | A kind of elastic energy dissipating tunnel shed hole structure and construction method |
| CN207392068U (en) * | 2017-10-25 | 2018-05-22 | 吉林大学 | Protect the novel combination type flexible hangar tunnel structure of high-altitude falling rocks and colluvial rubble |
Non-Patent Citations (1)
| Title |
|---|
| 新型耗能减震滚石棚洞作用机制研究;何思明;《岩石力学与工程学报》;20100531;第29卷(第5期);第927-932页 * |
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