CN204875572U - Novel pin -connected panel hangar tunnel - Google Patents
Novel pin -connected panel hangar tunnel Download PDFInfo
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- CN204875572U CN204875572U CN201520585952.4U CN201520585952U CN204875572U CN 204875572 U CN204875572 U CN 204875572U CN 201520585952 U CN201520585952 U CN 201520585952U CN 204875572 U CN204875572 U CN 204875572U
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- hangar tunnel
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Abstract
The utility model discloses a novel pin -connected panel hangar tunnel, the hangar tunnel structure includes top protection network system ( I ), the elasticity vaulting pole buffer system ( II ), the rack load system ( III ) that support top protection network system and the hangar tunnel structure foundation ( IV ) who comprises reinforced concrete door type rigid frame and rack support, elasticity vaulting pole buffer system ( II ) has solved and has construct traditional hangar tunnel structure prevention and cure falling rocks disease including a plurality of connection plate (9) and elasticity vaulting pole, and the construction period who has is long, disturb big scheduling problem to the driving, has abandoned the buffer layer that bankets of traditional hangar tunnel top heaviness, adopts novel flexible buffer system, the utility model discloses can obviously alleviate system dead weight, the hangar tunnel structure adopts light -duty rack load system, and reinforced concrete door type rigid frame foundation size is reduced by a wide margin, and the construction of hangar tunnel superstructure can adopt the prefabricated scene of mill to assemble, shortens construction period, obviously reduces to existing railway the driving and disturbs.
Description
Technical field
The utility model belongs to railway traffic field of engineering technology, especially the Novel assembled hangar tunnel of mountain area existing railway stone falling disease training works, need be able to carry out promoting in stone falling disease training works at highway, town road etc.
Background technology
Along with the development of Chinese national economy, the living standard of people is more and more higher, and the movement of population between all parts of the country, material trade etc. also constantly increase thereupon, traffic aspect also governs the development of society, the theory " will got rich, first repair the roads ", has also fully demonstrated the raising of national consciousness.In order to adapt to the development of national life, the Chinese government continues to increase the construction of infrastructure in recent decades.
Railway is the main artery of China's economical operation, and the speed of service of passenger and freight train is also improving constantly, especially in recent years the development of Line for Passenger Transportation, high-speed railway, significantly improves province and contacting between province and district district and area, people is gone on a journey more convenient.It is effective thoroughly management measure that hangar tunnel is built in disease location, and traditional hangar tunnel, to banket as padded coaming, has the drawbacks such as structure bulky, the construction period is long, interference on the road is large.
Because China is vast in territory, a lot of railway is inevitably built among high and steep mountains, become near the mountain and by the river, the mountain railway of crossing over mountain after mountain, from a large amount of mountain railway operations of having built over the years through examining, mountain railway exists a large amount of stone falling diseases to be threatened, be close to mountain circuit side slope especially high steep, all there is rock side-slope differential weathering in tunnel's entrance and exit face-upward slope, soil-slope rain drop erosion affects, side slope is caused to produce a large amount of boulder, numerous stone falling disease location is produced along circuit, tumble along side slope after condition maturity, rock-fall impact is to the generation stone falling disease of railway scope, seriously jeopardize traffic safety, railway operation administrative department often need spend great effort to safeguard every year, engineering measure need be taked thoroughly to renovate.
According to orographic condition, generally hangar tunnel engineering is set at disease location existing railway, thoroughly can renovate stone falling disease, tradition shed hole structure adopts top, hole to establish 1.5m ~ 2.0m to banket as cushion coat, according to different falling rocks energy grade, determine shed hole structure size and base form, under the cushion coat that bankets, be generally reinforced concrete beam plated construction, both sides are post and beam structure, adopt pile foundation or Extended chemotherapy.Because filled load is large, it is that carrying is banketed and structure own wt that physical dimension arranges very major part, and impact force of falling stone is relevant to filled slope, 1.5m ~ the 2.0m of current employing bankets and thickly better delays the attack time, disperses impact forces, filled slope is without optimization space, and therefore to have the structure scale of construction large for traditional hangar tunnel, long construction period, the drawback that interference on the road is large.
Summary of the invention
For solving an existing railway stone falling disease regulation difficult problem, and traditional hangar tunnel to build the structure scale of construction large, long construction period, the drawback that interference on the road is large, construction costs is caused to increase, the problem that conveyance loss is large, a kind of Novel assembled hangar tunnel is now proposed, hangar tunnel roof construction is innovated, adopt the top protection net system of high-strength light, be specially designed the turriform Buffer Unit of many elastic jackstay compositions, load-carrying construction adopts large-scale steel pipe bolt-ball net frame structure, Novel assembled hangar tunnel overcomes traditional hangar tunnel drawback, adopt the buffer system of innovation, greatly alleviate shed hole structure deadweight, achieve structure slim and graceful, protective capacities is strong, and the light-duty mill work of a large amount of employing, hangar tunnel roof construction is prefabrication, facilitate on-site consolidation, easy construction.
Its technical scheme is as follows:
A kind of Novel assembled shed hole structure, be arranged on existing railway circuit center line, be characterised in that, comprise top protection net system (I), the elastic jackstay buffer system (II) of support, top protective screening system, the rack load system (III) be made up of bolt sphere (11) and bearing bar (12) and the shed hole structure basis (IV) be made up of steel bar concrete gate rigid frame and net rack support; Described elastic jackstay buffer system (II) comprises several gusset plates (9) and elastic jackstay (10), 3 ~ 4 elastic jackstay tops cross and are connected to gusset plate (9), and the bolt sphere (11) of elastic jackstay lower end and rack load system (III) is connected to form the elastic jackstay buffer system (II) of support, top protective screening system (I); Described steel bar concrete gate rigid frame and net rack support (IV), top is steel bar concrete door frame, and steel bar concrete door frame top and backer side bury net rack support underground in advance; Net rack support connects the rack load system (III) be made up of bolt sphere (11) and bearing bar (12).
Preferably, described top protection net system (I), with wire rope main rope (5) for main carrier cable, the gusset plate that wire rope main rope (5) intersects at elastic jackstay (10) top in length and breadth forms grid, encrypt rope (6) encryption by steel wire between grid and form small grid, encrypted by the annular grid (7) of steel wire wound again between small grid, finally lay the steel wire grid net (8) that mesh is 50 × 50mm, wire rope main rope (5) is connected with the bolt sphere (11) of rack periphery, establishes extension spring between wire rope main rope (5) and bolt sphere (11).
Preferably, described wire rope main rope, steel wire encryption rope and steel wire are different-diameter, tensile strength >=1770MPa.
Preferably, described elastic jackstay buffer system (II), single elastic jackstay is nested against one another by two steel pipes that external diameter is different, arranges Compress Spring between two steel pipes, and elastic jackstay top is intersected in gusset plate (9), and lower support is in bolt sphere (11).
Preferably, described gusset plate (9) top is made by steel plate and round steel and forms the wire rope main rope strong point, and bottom is made the supporting seat forming elastic jackstay by steel plate; Adopt Q235 steel to do, the material that described extension spring adopts performance to be not less than the 60Si2MnA of GB/T1222 makes.
Preferably, described rack load system (III), structural shape is the double-deck square pyramid space grid just put or tiltedly putting, the bearing bar (12) of rack is steel pipe, node type is bolt sphere (11), and supporting form is lower edge multi-point support, and top-bottom chord spacing is 1620mm; Steel bar concrete door frame top rack and side rack are arranged symmetrically with along right angle bisector, form the load-carrying construction of end face and side shield net system.
Preferably, described bearing bar (12) is connected with bolt sphere (11) by high-strength bolt, conehead and sleeve assembly; No. 45 steel in bolt sphere (11) material selection GB699; Bearing bar (12) material is Q345B steel.
Preferably, described steel bar concrete gate rigid frame and net rack support (IV), two and above steel bar concrete gate rigid frame are arranged every 6000mm along inter-railway.
Described steel bar concrete door frame is according to stone falling disease work point topographic features, if lifting machine can be reached the spot, steel bar concrete door frame adopts pile foundation borehole cast-in-place, stand column and beam prefabrication and lifting construction technology, otherwise side adopts support cast-in-place construction technology on the line.
The utility model is in order to build hangar tunnel engineering fast in stone falling disease location, and innovation adopts turriform elastic jackstay buffer system (II); Rack load system (III) is formed by the large diameter steel pipe bolt-ball net frame high from heavy and light intensity; The technical scheme that the utility model proposes, in the hangar tunnel scheme that existing railway realizes prefabrication, in-site installation builds stone falling disease, solving traditional hangar tunnel and cannot realize prefabrication on-site consolidation problem, is a kind of novel stone falling disease training works form of structure.
Construction method of the present utility model comprises the following steps:
A door frame digging hole pile foundation is implemented in () disease section circuit both sides, interval 6m support cast-in-place (or precast assembly) steel bar concrete door frame above circuit, the pre-buried net rack support in steel bar concrete door frame top.
B temporary enclosed plate is laid at () steel bar concrete door frame top, as rack mounting platform, and the assembled scaffold of steel bar concrete door frame side erection rack.
C () be assembled diameter 159mm steel pipe bolt-ball net frame on square rack mounting platform and the assembled scaffold of side rack on the line, finally form rack load system.
D elastic jackstay is installed in () rack end face and side, gusset plate is installed on elastic jackstay top.
E () be reeve main rope between each gusset plate, lay encryption rope and annular grid aperture plate successively.
The technical solution of the utility model also has the following advantages:
A () obviously can reduce dead load, top protection net system, elastic jackstay buffer system and rack load system all adopt high-strength light steel.
B () top protection net system adopts tensile strength >=1770Mpa steel wire, form the protective screening of meeting rock-fall impact by different-diameter wire rope.
C () innovation adopts turriform elastic jackstay buffer system, in conjunction with the shed hole structure of large diameter steel pipe bolt-ball net frame load system, for railway traffic field stone falling disease training works adopts first.
D () builds up rear light structure, appearance effect is good.
C () engineering can Rapid Implementation, the duration is shorter, saves engineering cost, economical rationality, technological innovation.
Accompanying drawing explanation
Fig. 1 Novel assembled hangar tunnel cross-sectional drawing;
Fig. 2 top protection net system plan view, I-I cross section in Fig. 1;
Fig. 3 rack load system plan view, II-II cross section in Fig. 1.
Detailed description of the invention
Below in conjunction with the utility model embodiment and accompanying drawing thereof, be clearly and completely described the technical solution of the utility model, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not paying the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
This Novel assembled shed hole structure, comprises the shed hole structure basis (IV) of top protection net system (I), the elastic jackstay buffer system (II) of support, top protective screening, hangar tunnel top main load parts (III) rack load system and steel bar concrete gate rigid frame and the net rack support formation being installed on shed tunnel top.
Described top protection net system (I), for meeting rock-fall impact face, the function of interception different volumes falling rocks should be possessed, main rope is made by diameter 28mm wire rope, wire rope main rope (5) intersects in length and breadth and to be connected with elastic jackstay top node plate, form 3600 × 3000mm or 3150 × 3000mm grid, encrypt rope (6) by diameter 16mm steel wire between grid to encrypt, form 500 × 500mm small grid, form diameter 300mm steel wire ring network (7) by diameter 3mm coiling again between small grid to encrypt, finally lay diameter 3mm steel wire and form the steel wire grid net (8) that mesh is 50 × 50mm, wire rope main rope is connected on rack peripheral bolts ball, and establish diameter 25mm extension spring to be formed between wire rope main rope and bolt sphere and meet rock-fall protection net.
Described elastic jackstay buffer system (II), is formed primarily of elastic jackstay (10) and gusset plate (9):
Gusset plate (9) makes with 330 × 330 × 12mm main steel plate and other thick 30mm steel plates; Top forms the wire rope main rope strong point by thick 28mm steel plate and diameter 16mm round steel, and bottom makes elastic jackstay supporting seat by thick 28mm steel plate.
Single elastic jackstay by external diameter 76mm wall thickness 6.0mm and external diameter 57mm thick 8mm steel pipe nested against one another, diameter 25mm Compress Spring is established to form between steel pipe, and making spring supporting seat with thick 10mm steel plate, strut top is intersected in gusset plate, and lower support is in rack bolt ball;
Said units with elastic jackstay (10) for main buffer cell, 3 ~ 4 are crossed and top node plate (9) by elastic jackstay, form turriform resilient support assemblies, by gusset plate support, top protective screening, elastic jackstay lower end is supported on grid node bolt sphere (11), forms top elastic buffer system.The material that buffer system spring adopts performance to be not less than the 60Si2MnA of GB/T1222 makes, and all the other adopt Q235 steel to do.
Described rack load system (III), with diameter 159mm steel pipe for bearing bar (12), form space net rack system, the steel pipe joint that crosses is bolt sphere (11), bearing bar is connected with bolt sphere by high-strength bolt, conehead and sleeve, final formation space net rack load system.
The bearing bar of rack is external diameter 159mm steel pipe, selects 6mm, 8mm or 10mm wall thickness according to steel pipe calculating internal force, and steel pipe material is Q345B steel, and rack connects employing diameter 240mm ~ 300mm bolt sphere, and bolt sphere material is No. 45 steel in GB699;
Rack winds up mesh spacing for suitable railway longitudinal 3000mm, horizontal 2500mm;
Rack lower edge mesh spacing is along railway longitudinal 3000mm, horizontal 2600mm.
Described steel bar concrete gate rigid frame and net rack support (IV), for the basis of Novel assembled hangar tunnel, steel bar concrete gate rigid frame top is 800mm × 800mm steel bar concrete door frame, clear span 7700mm in door frame, the above clear height 8000mm of rail level, bearing is established in door frame top and backer side, as the support carriers of rack, door frame bottom is 1200mm × 1200mm pile foundation, and steel bar concrete gate rigid frame is arranged every 6000mm along inter-railway.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. Novel assembled shed hole structure, be arranged on existing railway circuit center line, it is characterized in that, comprise top protection net system (I), the elastic jackstay buffer system (II) of support, top protective screening system, the rack load system (III) be made up of bolt sphere (11) and bearing bar (12) and the shed hole structure basis (IV) be made up of steel bar concrete gate rigid frame and net rack support; Described elastic jackstay buffer system (II) comprises several gusset plates (9) and elastic jackstay (10), 3 ~ 4 elastic jackstay tops cross and are connected to gusset plate (9), and the bolt sphere (11) of elastic jackstay lower end and rack load system (III) is connected to form the elastic jackstay buffer system (II) of support, top protective screening system (I); Described steel bar concrete gate rigid frame and net rack support (IV), top is steel bar concrete door frame, and steel bar concrete door frame top and backer side bury net rack support underground in advance; Net rack support connects the rack load system (III) be made up of bolt sphere (11) and bearing bar (12).
2. Novel assembled hangar tunnel as claimed in claim 1, it is characterized in that: described top protection net system (I), with wire rope main rope (5) for main carrier cable, the gusset plate that wire rope main rope (5) intersects at elastic jackstay (10) top in length and breadth forms grid, encrypt rope (6) encryption by steel wire between grid and form small grid, encrypted by the annular grid (7) of steel wire wound again between small grid, finally lay the steel wire grid net (8) that mesh is 50 × 50mm, wire rope main rope (5) is connected with the bolt sphere (11) of rack periphery, extension spring is established between wire rope main rope (5) and bolt sphere (11).
3. Novel assembled hangar tunnel as claimed in claim 2, is characterized in that: described wire rope main rope, steel wire encryption rope and steel wire are different-diameter, tensile strength >=1770MPa.
4. Novel assembled hangar tunnel as claimed in claim 1, it is characterized in that: described elastic jackstay buffer system (II), single elastic jackstay is nested against one another by two steel pipes that external diameter is different, between two steel pipes, Compress Spring is set, elastic jackstay top is intersected in gusset plate (9), and lower support is in bolt sphere (11).
5. Novel assembled hangar tunnel as claimed in claim 4, is characterized in that: described gusset plate (9) top is made by steel plate and round steel and forms the wire rope main rope strong point, and bottom is made the supporting seat forming elastic jackstay by steel plate; Adopt Q235 steel to do, the material that described extension spring adopts performance to be not less than the 60Si2MnA of GB/T1222 makes.
6. Novel assembled hangar tunnel as claimed in claim 1, it is characterized in that: described rack load system (III), structural shape is the double-deck square pyramid space grid just put or tiltedly putting, the bearing bar (12) of rack is steel pipe, node type is bolt sphere (11), supporting form is lower edge multi-point support, and top-bottom chord spacing is 1620mm; Steel bar concrete door frame top rack and side rack are arranged symmetrically with along right angle bisector, form the load-carrying construction of end face and side shield net system.
7. Novel assembled hangar tunnel as claimed in claim 6, is characterized in that: described bearing bar (12) is connected with bolt sphere (11) by high-strength bolt, conehead and sleeve assembly; No. 45 steel in bolt sphere (11) material selection GB699; Bearing bar (12) material is Q345B steel.
8. Novel assembled hangar tunnel as claimed in claim 1, is characterized in that: described steel bar concrete gate rigid frame and net rack support (IV), and two and above steel bar concrete gate rigid frame are arranged every 6000mm along inter-railway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520585952.4U CN204875572U (en) | 2015-08-06 | 2015-08-06 | Novel pin -connected panel hangar tunnel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520585952.4U CN204875572U (en) | 2015-08-06 | 2015-08-06 | Novel pin -connected panel hangar tunnel |
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| CN204875572U true CN204875572U (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520585952.4U Withdrawn - After Issue CN204875572U (en) | 2015-08-06 | 2015-08-06 | Novel pin -connected panel hangar tunnel |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105178206A (en) * | 2015-08-06 | 2015-12-23 | 中铁二院昆明勘察设计研究院有限责任公司 | Novel spliced-type shed tunnel |
| CN106592769A (en) * | 2016-12-12 | 2017-04-26 | 武汉大学 | Double-layer spherical reticulated shell structure modeling method and structural form |
| CN112832376A (en) * | 2021-02-09 | 2021-05-25 | 天津市市政工程设计研究院 | Horizontal gusset plate bolt anti-falling device |
| CN112832377A (en) * | 2021-02-09 | 2021-05-25 | 天津市市政工程设计研究院 | Vertical gusset plate bolt anti-falling device |
-
2015
- 2015-08-06 CN CN201520585952.4U patent/CN204875572U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105178206A (en) * | 2015-08-06 | 2015-12-23 | 中铁二院昆明勘察设计研究院有限责任公司 | Novel spliced-type shed tunnel |
| CN106592769A (en) * | 2016-12-12 | 2017-04-26 | 武汉大学 | Double-layer spherical reticulated shell structure modeling method and structural form |
| CN112832376A (en) * | 2021-02-09 | 2021-05-25 | 天津市市政工程设计研究院 | Horizontal gusset plate bolt anti-falling device |
| CN112832377A (en) * | 2021-02-09 | 2021-05-25 | 天津市市政工程设计研究院 | Vertical gusset plate bolt anti-falling device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151216 Effective date of abandoning: 20170419 |
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| AV01 | Patent right actively abandoned |