CN203867586U - Connecting structure used for connecting bridge and tunnel - Google Patents
Connecting structure used for connecting bridge and tunnel Download PDFInfo
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- CN203867586U CN203867586U CN201420221974.8U CN201420221974U CN203867586U CN 203867586 U CN203867586 U CN 203867586U CN 201420221974 U CN201420221974 U CN 201420221974U CN 203867586 U CN203867586 U CN 203867586U
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- tunnel
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- headwall
- protection
- hangar
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Abstract
The utility model discloses a connecting structure capable of efficiently preventing impact of dangerous rocks and falling stones at a joint of a bridge and a tunnel during a pavement process of a mountainous road. The connecting structure used for connecting a bridge and a tunnel comprises a lining, wherein one end of the lining extends into the tunnel while the other end is integrally connected with an inner side face of a protective end wall which is arranged at the end face of a tunnel portal; a shed tunnel is formed at the outer side face of the protective end wall; a bearing platform is arranged on the bottom surface of the shed tunnel; the shed tunnel is provided with a bridge platform within a vertical projection region of the upper surface of the bearing platform; the lower surface of the bearing platform is connected with a vertical post. The connecting structure can be satisfied with connection between the bridge and the tunnel in multiple different topographical and geomorphologic conditions, and meanwhile integrally combines the protective structure for the dangerous rocks and the falling stones at the tunnel portal with the bridge and the tunnel, so that the construction technology is simplified, the construction speed is speeded up, the safety risk and the labor intensity are reduced; the connecting structure is convenient to construct, compact in structure, beautiful in shape, low in manufacturing cost, wide in use range and suitable for generalization and application in the field of traffic facilities.
Description
Technical field
The utility model relates to field of traffic facilities, is specifically related to a kind of syndeton connecting for bridge tunnel.
Background technology
Bridge and tunnel are that the engineering structure conventionally adopting in the traffic routes such as railway and highway is built in mountain terrain.When the mountain ridge and cheuch location are passed through in the traffic routes such as railway and highway, for overcoming the impact of elevation and cheuch obstacle in circuit, conventionally a large amount of bridges and tunnel need to be set in the line.When thering is the high gradient slope of loose depos-its layer and rockfall location in mountain terrain and building the traffic tunnels such as railway and highway, for fear of Falling Rocks, vehicle and personnel are damaged, conventionally need to be protected the crag in side slope and falling rocks.In addition, impact due to scall, high gradient slope and dark chase paddy, the often restriction because of landform and geological conditions cannot arrange in narrow domatic location the abutment of bridge and the portal in tunnel, thereby causes the connection between circuit Bridge and tunnel very difficult.In order to realize the smooth connection between traffic route Bridge and tunnel in mountain terrain, conventionally adopt two kinds of methods, a kind of method is that the bridge of roadbed section is directly extend in tunnel portal and arranged; Another method is exactly by single width bridge and tunnel portal separated setting in addition.When bridge directly extend in tunnel portal, can make the excavation width of Tunnel gate segment and highly increasing, thereby increase the risk of tunnel portal section safe construction, cause complex procedures and the construction costs of construction high.When adopting bridge with the separated plan of establishment in tunnel, abutment need to be arranged on domatic before tunnel portal, now the excavation of bridge Foundation Pit of Abutment can have influence on the safety and stablization of tunnel portal, but also exist abutment and tunnel portal in the mutual interference problem of construction period, cause the working procedure of tunnel portal section many, cost is high.In addition, the location that mountain terrain bridge tunnel connects is subject to toward contact the impact that outside hole, the domatic rockfall of high gradient slope impacts simultaneously, particularly for thering is the high gradient slope of loose depos-its layer, at this point section arranges when bridge tunnel connects not only needs to consider that hole is subject to the impact of rockfall impact failure, also will consider the connected mode between bridge and tunnel portal simultaneously.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of can effectively preventing in road pavement process, the syndeton that bridge tunnel junction rockfall impacts, and this syndeton protection effect is good, compact conformation, good looking appearance, constructability, and cost is low.
The utility model solves the problems of the technologies described above adopted technical scheme: the syndeton that should connect for bridge tunnel, comprise lining cutting, described lining cutting one end extends in tunnel, its other end connects as one with the medial surface that is arranged on the protection headwall of tunnel portal end face, the upper surface of described protection headwall is positioned at the top of tunnel portal peak, the lateral surface of described protection headwall is provided with hangar tunnel, the bottom surface of described hangar tunnel is provided with cushion cap, described hangar tunnel is provided with abutment in the upright projection region of cushion cap upper surface, and described cushion cap soffit is connected with column.
Further, the top of the medial surface of described protection headwall is provided with gutter along protection headwall length direction.
Be further, the top, hole that described hangar tunnel is symmetrically set with two knee walls and is connected to two knee wall tops along tunnel axis, the shape of cross section on top, described hole is circular arc, top, described hole is pushed up free-ended arc top with the arc top of protection headwall junction lower than hole, and the free-ended lateral surface of described hangar tunnel is the scarf extending internally.
Further, top, the hole upper surface of described hangar tunnel is also provided with cushion coat.
Further, described lining cutting, protection headwall, hangar tunnel, cushion cap, abutment, column all adopt steel concrete cast or steel member to form.
The beneficial effects of the utility model: meeting under multiple different terrain and geomorphologic conditions, the syndeton that should connect for bridge tunnel can be by safeguard structure and the bridge tunnel integrator of the outer rockfall of tunnel portal, working procedure when reducing tunnel portal section rockfall preventive works and being connected engineering with bridge tunnel and implementing respectively, and then can simplify construction technology and accelerating construction progress, and can also reduce the security risk of construction period and the labour intensity of construction operation, syndeton construction described in the utility model is convenient, compact conformation, handsome in appearance low with cost, the scope of application is wide.
Accompanying drawing explanation
Fig. 1 is that the utility model is for the main TV structure schematic diagram of the syndeton of bridge tunnel connection;
Fig. 2 is the cross-sectional schematic of A-A section in Fig. 1;
Fig. 3 is that the utility model is for the plan structure schematic diagram of the syndeton of bridge tunnel connection.
Description of reference numerals: lining cutting 1, protection headwall 2, medial surface 201, lateral surface 202, hangar tunnel 3, knee wall 301, top, hole 302, cushion coat 303, cushion cap 4, abutment 5, column 6, gutter 7.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is further described.
As shown in Figure 1, Figure 2, Figure 3 shows, the syndeton that should connect for bridge tunnel, comprise lining cutting 1, described lining cutting 1 one end extends in tunnel, its other end connects as one with the medial surface 201 that is arranged on the protection headwall 2 of tunnel portal end face, the upper surface of described protection headwall 2 is positioned at the top of tunnel portal peak, the lateral surface 202 of described protection headwall 2 is provided with hangar tunnel 3, the bottom surface of described hangar tunnel 3 is provided with cushion cap 4, described hangar tunnel 3 is provided with abutment 5 in the upright projection region of cushion cap 4 upper surfaces, and described cushion cap 4 soffits are connected with column 6.
Described lining cutting 1 be take tunnel inner wall as benchmark, and its inside dimension and tunnel inner wall consistent size, extend in tunnel, is connected to overall structure with tunnel.Described protection headwall 2 is a upright body of wall, and it is positioned at tunnel portal endface position, and its medial surface 201 links into an integrated entity with lining cutting 1, guarantees the intensity of protection headwall 2 and lining cutting 1.In order to prevent facing upward the domatic stone that tumbles in slope from tunnel portal, the upper surface of described protection headwall 2 is positioned at the top of tunnel portal peak.The width of described protection headwall 2 and thickness can be determined according to actual landform and geomorphologic conditions and tunnel inner wall size.For fear of the stone dropping from protection headwall 2, impact road, cause the damage to vehicle on road and road, the lateral surface 202 of described protection headwall 2 is provided with hangar tunnel 3, described hangar tunnel 3 comprises two knee walls 301 that are symmetrical set along tunnel axis and the hole that is connected to two knee wall 301 tops top 302, the shape of cross section on top, described hole 302 can be " people " font or circular arc, for with tunnel inwall dimensional fits, make it attractive in appearance, as preferably, the shape of cross section on top, hole described in the utility model 302 is circular arc, this structure drops the stone dropping on hangar tunnel 3 fast to both sides, prevent that stone is deposited in hangar tunnel 3 tops, cause caving in of hangar tunnel 3, because stone is when dropping to hangar tunnel 3 top, also there is the kinetic energy moving forward, in order to prevent that stone from dropping and working the mischief from hangar tunnel 3 front ends, top, described hole 302 is pushed up 302 free-ended arc tops with the arc top of protection headwall 2 junctions lower than hole.In order to reduce the free-ended bricklaying of hangar tunnel 3, increase the attractive in appearance of portal simultaneously, the free-ended lateral surface of described hangar tunnel is the scarf extending internally.For the ease of laying bridge; the bottom surface of described hangar tunnel 3 is provided with cushion cap 4; on described cushion cap 4, be provided with abutment 5; in order to guarantee in work progress; constructor's safety; described abutment 5 is arranged on hangar tunnel 3 in the upright projection region of cushion cap 4 upper surfaces, and abutment 5 is covered completely by hangar tunnel 3, plays the effect of protection abutment.In order to guarantee the stability of total, described cushion cap 4 bottoms are provided with column 6, and the cross section of described column 6 can be for square or circular, and as preferably, column 6 cross sections described in the utility model are circular.The quantity of described column 6, external dimensions can be determined according to the size of site work environment and cushion cap 4.
For the ease of discharging in time rainwater and surface water, prevent that tunnel portal top soil, rock are slack and undisciplined and subside under water effect, cause the damage to constructor and vehicle, the top of the medial surface 201 of described protection headwall 2 is provided with gutter 7 along protection headwall 2 length directions.
In order to reduce the impact of falling rocks to hangar tunnel 3, damage hangar tunnel 3, extend the application life of hangar tunnel 3, the hole of described hangar tunnel 3 is pushed up 302 upper surfaces and is also provided with cushion coat 303.Described cushion coat 303 can adopt the material such as sponge or rubber to make, for the ease of processing, cost-saving, and as preferably, cushion coat 303 described in the utility model adopts elastomeric materials to make.
Described lining cutting 1, protection headwall 2, hangar tunnel 3, cushion cap 4, abutment 5, column 6 all can adopt steel concrete cast or steel member to form, for the ease of construction, reduce carrying, the input reducing costs, as preferably, lining cutting 1 described in the utility model, protection headwall 2, hangar tunnel 3, cushion cap 4, abutment 5, column 6 all adopt steel concrete cast to form.
Claims (5)
1. the syndeton connecting for bridge tunnel, comprise lining cutting (1), it is characterized in that: described lining cutting (1) one end extends in tunnel, its other end connects as one with the medial surface (201) that is arranged on the protection headwall (2) of tunnel portal end face, the upper surface of described protection headwall (2) is positioned at the top of tunnel portal peak, the lateral surface (202) of described protection headwall (2) is provided with hangar tunnel (3), the bottom surface of described hangar tunnel (3) is provided with cushion cap (4), described hangar tunnel (3) is provided with abutment (5) in the upright projection region of cushion cap (4) upper surface, described cushion cap (4) soffit is connected with column (6).
2. the syndeton connecting for bridge tunnel as claimed in claim 1, is characterized in that: the top of the medial surface (201) of described protection headwall (2) is provided with gutter (7) along protection headwall (2) length direction.
3. the syndeton connecting for bridge tunnel as claimed in claim 2, it is characterized in that: the top, hole (302) that described hangar tunnel (3) comprises two knee walls (301) that are symmetrical set along tunnel axis and is connected to two knee walls (301) top, the shape of cross section on described top, hole (302) is circular arc, described top, hole (302) is with the arc top of protection headwall (2) junction lower than free-ended arc top, top, hole (302), and the free-ended lateral surface of described hangar tunnel (3) is the scarf extending internally.
4. the syndeton connecting for bridge tunnel as claimed in claim 3, is characterized in that: top, hole (302) upper surface of described hangar tunnel (3) is also provided with cushion coat (303).
5. the syndeton connecting for bridge tunnel as claimed in claim 4, is characterized in that: described lining cutting (1), protection headwall (2), hangar tunnel (3), cushion cap (4), abutment (5), column (6) all adopt steel concrete cast or steel member to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420221974.8U CN203867586U (en) | 2014-05-04 | 2014-05-04 | Connecting structure used for connecting bridge and tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420221974.8U CN203867586U (en) | 2014-05-04 | 2014-05-04 | Connecting structure used for connecting bridge and tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203867586U true CN203867586U (en) | 2014-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420221974.8U Expired - Fee Related CN203867586U (en) | 2014-05-04 | 2014-05-04 | Connecting structure used for connecting bridge and tunnel |
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| CN (1) | CN203867586U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106437751A (en) * | 2016-11-01 | 2017-02-22 | 中铁第勘察设计院集团有限公司 | High ground stress weak surrounding rock tunnel supporting structure and construction method thereof |
| CN106703815A (en) * | 2016-12-13 | 2017-05-24 | 中铁十九局集团第二工程有限公司 | Construction method of inner excavated abutment |
| CN108517797A (en) * | 2018-05-28 | 2018-09-11 | 中铁第勘察设计院集团有限公司 | The three anti-fall stone structures of suspension cable rope net |
| CN105156129B (en) * | 2015-09-29 | 2018-10-16 | 中铁第四勘察设计院集团有限公司 | A kind of bridge tunnel in high ferro Bridge-wire fusing time location builds structure jointly |
| CN111893906A (en) * | 2020-06-29 | 2020-11-06 | 中铁第一勘察设计院集团有限公司 | Shed tunnel construction method |
| CN111893864A (en) * | 2020-06-29 | 2020-11-06 | 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 |
-
2014
- 2014-05-04 CN CN201420221974.8U patent/CN203867586U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156129B (en) * | 2015-09-29 | 2018-10-16 | 中铁第四勘察设计院集团有限公司 | A kind of bridge tunnel in high ferro Bridge-wire fusing time location builds structure jointly |
| CN106437751A (en) * | 2016-11-01 | 2017-02-22 | 中铁第勘察设计院集团有限公司 | High ground stress weak surrounding rock tunnel supporting structure and construction method thereof |
| CN106703815A (en) * | 2016-12-13 | 2017-05-24 | 中铁十九局集团第二工程有限公司 | Construction method of inner excavated abutment |
| CN106703815B (en) * | 2016-12-13 | 2018-12-07 | 中铁十九局集团第二工程有限公司 | Abutment construction method in excavation |
| CN108517797A (en) * | 2018-05-28 | 2018-09-11 | 中铁第勘察设计院集团有限公司 | The three anti-fall stone structures of suspension cable rope net |
| CN111893906A (en) * | 2020-06-29 | 2020-11-06 | 中铁第一勘察设计院集团有限公司 | Shed tunnel construction method |
| CN111893864A (en) * | 2020-06-29 | 2020-11-06 | 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 |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171123 Address after: 610000 Sichuan City, Chengdu Province, No. two North Ring Road, No. 111 Co-patentee after: CHINA RAILWAY Corp. Patentee after: SOUTHWEST JIAOTONG University Co-patentee after: CHINA RAILWAY ERYUAN ENGINEERING GROUP Co.,Ltd. Address before: 610031 Sichuan City, Chengdu Province, No. two North Ring Road, No. 111 Patentee before: Southwest Jiaotong University |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |