CN202227287U - High speed railway bridge protection shed tunnel structure - Google Patents
High speed railway bridge protection shed tunnel structure Download PDFInfo
- Publication number
- CN202227287U CN202227287U CN2011202120461U CN201120212046U CN202227287U CN 202227287 U CN202227287 U CN 202227287U CN 2011202120461 U CN2011202120461 U CN 2011202120461U CN 201120212046 U CN201120212046 U CN 201120212046U CN 202227287 U CN202227287 U CN 202227287U
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- abutment wall
- bridge
- speed railway
- joist
- side abutment
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Abstract
Provided is a high speed railway bridge protection shed tunnel structure which can effectively prevent the damage of the structures and lines of the bridge adjacent to the tunnel resulting from falling rocks to ensure the structural safety and the normal running of trains. The shed tunnel structure provided includes an upper protective structure (10) and a lower supporting structure (20), the upper protective structure (10) includes an arch part (13), a left side wall (11) and a right side wall (12) which are arranged at the two sides of the bridge respectively, the left side wall (11), the right side wall (12), and the arch part (13) are consolidated into one piece by means of a reinforced concrete structure; a buffer layer (14) provided with a top slope is arranged above the arch part (13), and between upper sections of the left side wall (11) and the right side wall (12), and a water-proof layer (15) is coated on the top slope.
Description
Technical field
The utility model relates to railway tunnel, particularly a kind of high-speed railway protect bridge hangar tunnel structure, be applied to the High-speed Railway Bridges tunnel location that joins and prevent that crag falling rocks railroad bridge from producing harm.
Background technology
Mountain railway is limited by landform, and circuit is usually walked in high and steep mountains, inevitably can cross over the cheuch in the mountain ridge, the river.Because of receiving the restriction of route curve radius, circuit needs to pass through high and steep mountains with construction of tunnel, crosses over cheuch, river with bridge engineering, particularly steep, deep location, valley in the tunnel portal landform, and also the continuous form of Chang Yiqiao tunnel occurs.
The location receives the restriction of landform and construction plant because the bridge tunnel links to each other; The limit that the tunnel is imported and exported, to face upward the slope high steep; Geological conditions is abominable, under the effect of natural calamities such as rainwater and earthquake, can form crag, falling rocks, avalanche etc.; Very easily the bridge engineering to tunnel portal and next-door neighbour causes significant damage, serious threat railway operation safety.For avoiding or reducing of the harm of bridge engineering of a series of unfavorable geologies such as tunnel portal crag, falling rocks to the next-door neighbour; Guarantee tunnel portal, Structure Safety for Bridge, stable and traffic safety; Be necessary to take safeguard procedures, be connected the structural safety in location with the bridge tunnel of guaranteeing to be close in bridge tunnel next-door neighbour location.
The utility model content
What the utility model technical problem to be solved provided a kind of high-speed railway protects bridge hangar tunnel structure, can effectively avoid structures such as the crag falling rocks pair bridge adjacent with the tunnel and circuit to work the mischief, and normally moves to guarantee structural safety and train.
It is following that the utility model solves the technical scheme that its technical problem adopted:
The utility model high-speed railway protect bridge hangar tunnel structure; Comprise upper protective structure and lower support structure; It is characterized in that: said upper protective structure comprises the arch and is arranged at the left side abutment wall of bridge both sides, right side abutment wall respectively that it is one that left side abutment wall, right side abutment wall and arch adopt reinforced concrete structure fixed; Between the epimere of more than the arch and left side abutment wall, right side abutment wall, be provided with and have the domatic rammer in the top stone layer that bankets, the top is domatic goes up to cover the waterproof conducting shell is set.
The beneficial effect of the utility model is; Upper protective structure adopts stressed domes preferably; And shock resistance cushion coat and anti-water barrier be set at its top; Can effectively avoid structures such as the crag falling rocks pair bridge adjacent and circuit to work the mischief, thereby guarantee structural safety, railway operation safety with the tunnel.
Description of drawings
This manual comprises like next width of cloth accompanying drawing:
Fig. 1 is the sectional schematic diagram that protects bridge hangar tunnel structure of the utility model high-speed railway.
Member shown in the figure, toponym and institute's correspondence markings: upper protective structure 10, left side abutment wall 11, supporting boss 11a, right side abutment wall 12, supporting boss 12a, arch 13, cushion coat 14, anti-water barrier 15; Lower support structure 20, left side joist 21, right side joist 22, left side pile foundation 23, right side pile foundation 24.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
With reference to Fig. 1, the utility model high-speed railway protect bridge hangar tunnel structure, comprise upper protective structure 10 and lower support structure 20.Said upper protective structure 10 comprises arch 13 and is arranged at the left side abutment wall 11 of bridge both sides, right side abutment wall 12 respectively that left side abutment wall 11, right side abutment wall 12 and arch 13 employing reinforced concrete structures are fixed to be one, forms stressed domes preferably.Between the epimere of and left side more than 13, arch abutment wall 11, right side abutment wall 12, be provided with and have the domatic cushion coat in top 14; Domatic upward covering the in top is provided with anti-water barrier 15; Impact force by cushion coat 14, anti-water barrier 15 buffering crag falling rocks; Effectively avoiding structures such as the crag falling rocks pair bridge adjacent and circuit to work the mischief, thereby guarantee structural safety, railway operation safety with the tunnel.
Said lower support structure 20 can adopt structures such as enlarging basis, pile foundation joist according to topographic features.Shown in Fig. 1 is pile foundation joist structure; Be that lower support structure 20 comprises the left side joist 21 that adopts reinforced concrete structure; Right side joist 22, left side pile foundation 23 and right side pile foundation 24, left side pile foundation 23, right side pile foundation 24 bottoms extend into stable rock stratum; The top is fixed with left side joist 21, right side joist 22 respectively, and left side abutment wall 11, right side abutment wall 12 are fixed with left side joist 21, right side joist 22 respectively.
With reference to Fig. 1, for ease of construction, said left side abutment wall 11, right side abutment wall 12 stage casing inwalls have supporting boss 11a, the 12b that extends along its length direction, and the transverse ends of arch 13 is supported on this two supporting boss 11a, 12b and fixed with it respectively.Said cushion coat 14 adopts usually and rams the stone layer that bankets, and anti-water barrier 15 adopts and fills argillic horizon.
Be that embodiment further specifies the utility model with Line for Passenger Transportation bifurcation Kou Zhai tunnel, newly built railway Changsha to Kunming below.Bifurcation Kou Zhai tunnel is a double track tunnel, and the stratum is mainly limestone, dolomite; Tunnel entrance is positioned at river valley, Ba Ling river, is right after Ba Ling river grand bridge, and top, import hole landform is steep; The crag falling rocks is grown, and to the influence of inducer bridge greatly, operation security is formed very big hidden danger.According to field condition the hole bridge is provided with the protection hangar tunnel and protects, its construction sequence is following:
1, left side pile foundation 23 is carried out in smooth place, right side pile foundation 24 execute work; Its top and left side joist 21; The binding site of right side joist 22 is reserved the joint reinforcing bar, to strengthen left side joist 21, the fastness that right side joist 22 is connected with left side pile foundation 23, right side pile foundation 24;
2, execute and make left side joist 21, right side joist 22, its beam body reinforcing bar bottom surface firmly is connected with left side pile foundation 23, right side pile foundation 24 connecting reinforcements respectively, and end face vertically is provided with a few row's connecting reinforcements, to strengthen and being connected of left side abutment wall 11, right side abutment wall 12 bottom surfaces;
3, execute and make left side abutment wall 11, right side abutment wall 12, its bottom surface respectively with left side joist 21, right side joist 22 forms firmly and connects;
4, the arch 13, and its transverse ends forms and firmly is connected with left side abutment wall 11, right side abutment wall 12 respectively;
5, treat that structure reaches after the design strength between the epimere of and left side more than 13, arch abutment wall 11, right side abutment wall 12 superimposed fill stone layer and forms and have the domatic cushion coat in top 14, and fill clay layer on its surface and form anti-water barrier 15.
Some principles of protecting bridge hangar tunnel structure of the above the utility model high-speed railway that just explains through diagrams; Be not be to the utility model be confined to shown in described concrete structure and the scope of application in; So every the modify and equivalent that might be utilized all belongs to the claim that the utility model is applied for.
Claims (5)
1. high-speed railway protects bridge hangar tunnel structure; Comprise upper protective structure (10) and lower support structure (20); It is characterized in that: said upper protective structure (10) comprises arch (13) and is arranged at the left side abutment wall (11) of bridge both sides, right side abutment wall (12) respectively that left side abutment wall (11), right side abutment wall (12) and arch (13) employing reinforced concrete structure are fixed to be one; Setting has the domatic cushion coat in top (14) between the epimere of more than arch (13) and left side abutment wall (11), right side abutment wall (12), and domatic upward covering the in top is provided with anti-water barrier (15).
2. high-speed railway as claimed in claim 1 protects bridge hangar tunnel structure; It is characterized in that: said lower support structure (20) comprises the left side joist (21) that adopts reinforced concrete structure; Right side joist (22), left side pile foundation (23); With right side pile foundation (24); Left side pile foundation (23), right side pile foundation (24) bottom extend into stable rock stratum, and the top is fixed with left side joist (21), right side joist (22) respectively, and left side abutment wall (11), right side abutment wall (12) are fixed with left side joist (21), right side joist (22) respectively.
High-speed railway as claimed in claim 1 protect bridge hangar tunnel structure, it is characterized in that: said lower support structure (20) is for enlarging the basis.
4. protect bridge hangar tunnel structure like any described high-speed railway of claim 1 to 3; It is characterized in that: said left side abutment wall (11), right side abutment wall (12) stage casing inwall have the supporting boss (11a, 12b) that extends along its length direction, and the transverse ends of arch (13) is supported on this two supporting boss (11a, 12b) and fixed with it respectively.
High-speed railway as claimed in claim 4 protect bridge hangar tunnel structure, it is characterized in that: said cushion coat (14) adopts and rams the stone layer that bankets, and said anti-water barrier (15) adopts and fills clay layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202120461U CN202227287U (en) | 2011-06-22 | 2011-06-22 | High speed railway bridge protection shed tunnel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202120461U CN202227287U (en) | 2011-06-22 | 2011-06-22 | High speed railway bridge protection shed tunnel structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202227287U true CN202227287U (en) | 2012-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202120461U Expired - Lifetime CN202227287U (en) | 2011-06-22 | 2011-06-22 | High speed railway bridge protection shed tunnel structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202227287U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678132A (en) * | 2012-06-05 | 2012-09-19 | 中铁第一勘察设计院集团有限公司 | Anti-rockfall reinforced concrete open-cut tunnel structure |
| CN105603893A (en) * | 2016-03-07 | 2016-05-25 | 中国科学院、水利部成都山地灾害与环境研究所 | Tunnel portal flexible nose-shaped rolling stone discharging and guiding shed tunnel structure and designing method thereof |
| 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 |
| CN107988926A (en) * | 2017-11-27 | 2018-05-04 | 云南公投建设集团设计研究院有限公司 | A kind of assembled corrugated steel arch shed hole structure |
| CN111101968A (en) * | 2019-12-29 | 2020-05-05 | 中铁二院工程集团有限责任公司 | Large karst cavity tunnel large deformation frame rock fall prevention structure and construction method |
| 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 |
| CN114718593A (en) * | 2022-04-18 | 2022-07-08 | 重庆交通大学 | Tunnel portal structure of tunnel junction section of alpine region |
-
2011
- 2011-06-22 CN CN2011202120461U patent/CN202227287U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678132A (en) * | 2012-06-05 | 2012-09-19 | 中铁第一勘察设计院集团有限公司 | Anti-rockfall reinforced concrete open-cut tunnel structure |
| CN105603893A (en) * | 2016-03-07 | 2016-05-25 | 中国科学院、水利部成都山地灾害与环境研究所 | Tunnel portal flexible nose-shaped rolling stone discharging and guiding shed tunnel structure and designing method thereof |
| CN105603893B (en) * | 2016-03-07 | 2017-08-08 | 中国科学院、水利部成都山地灾害与环境研究所 | Tunnel face flexibility nose-shaped Rolling Stone row leads shed hole structure body and its design method |
| 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 |
| CN107988926A (en) * | 2017-11-27 | 2018-05-04 | 云南公投建设集团设计研究院有限公司 | A kind of assembled corrugated steel arch shed hole structure |
| CN111101968A (en) * | 2019-12-29 | 2020-05-05 | 中铁二院工程集团有限责任公司 | Large karst cavity tunnel large deformation frame rock fall prevention structure and construction method |
| 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 |
| CN114718593A (en) * | 2022-04-18 | 2022-07-08 | 重庆交通大学 | Tunnel portal structure of tunnel junction section of alpine region |
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| CX01 | Expiry of patent term |
Granted publication date: 20120523 |
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| CX01 | Expiry of patent term |