CN105257314A - Monotube three-layer shield tunnel - Google Patents
Monotube three-layer shield tunnel Download PDFInfo
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- CN105257314A CN105257314A CN201510764182.4A CN201510764182A CN105257314A CN 105257314 A CN105257314 A CN 105257314A CN 201510764182 A CN201510764182 A CN 201510764182A CN 105257314 A CN105257314 A CN 105257314A
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- lane
- shield tunnel
- partition wall
- escape
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Abstract
The invention discloses a monotube three-layer shield tunnel. The shield tunnel is divided into three lanes by two layers of lane plates from top to bottom, the upper layer is a special traffic lane for small cars, the middle layer is a subway lane and the lower layer is a road traffic lane; the special lane for the small cars is a closed lane consisting of partition walls at two sides and a top wall on the lane plate at the upper layer; the subway lane is a closed lane consisting of partition walls at two sides between the two layers of lane plates; the road traffic pane is a closed lane consisting of the lane plate at the lower layer, partition walls at two sides and a bottom plate; evacuation passages are formed among the partition walls at certain sides of the three lanes and the inner wall of the shield tunnel. The monotube three-layer shield tunnel connects a road and a rail traffic system, the internal space in the tunnel is fully used, operation manners of different functions are combined, and the traffic capacity is obviously increased.
Description
Technical field
The invention belongs to construction of tunnel technical field, be specifically related to a kind of single tube three layers of shield tunnel.
Background technology
Along with the sharply expansion of size of urban population and vehicle flowrate, the pressure brought to urban traffic also increases day by day.Tunnel construction increases gradually in recent years, and for shield tunnel, single tube shield tunnel is mostly individual layer tunnel both at home and abroad at present, double-layer shield tunnel construction in recent years also day by day increases, emerge in large numbers a collection of double layer tunnel, as above naval Gong Lu tunnel, tunnel, Slender West Lake, Yangzhou etc.Along with development that is economic and society, Future population, vehicle flowrate constantly increase, for solving increasing traffic pressure, single double layer tunnel can not meet the transport need of part developed regions, on such as China the Changjiang river, the tunnel built in recent years and bridge (containing two-layer equation railway, the dual-purpose bridge of highway) increase year by year, cross river subway tunnel construction also increasing simultaneously, the problem of serving can be with, alleviate traffic pressure on the one hand, but add cost of investment simultaneously, also occupy a large amount of land resources.Along with developed regions economy further develops, how existing highway and rail transit network are coupled together, strengthen public transportation construction dynamics.How to build the modern public transit systems meeting urban future development needs, fundamentally alleviate urban traffic illness, progressively embody public traffic in priority, improve urban public transport condition, improve the vision of people's quality of the life; For this reason, on existing shield tunnel basis, need to build a kind of more tunnel over strait, river that highway, Rail Transit System can be coupled together in some developed regions, the traffic of city anxiety can be alleviated.
Summary of the invention
For solving weak point of the prior art, the present invention proposes a kind of single tube highway and Rail Transit System coupled together three layers of shield tunnel.To making full use of tunnel internal space, the difference in functionality method of operation combines mutually, and traffic capacity is significantly strengthened.
Be divided into three tracks by two-layer lane plate from top to bottom in a kind of shield tunnel 1, it is compact car Special running road 2 at the middle and upper levels, and intermediate layer is subway track 6, and lower floor is highway lane 10; Described compact car Special running road 2 is the closed track be made up of the partition wall of both sides and crown wall on upper deck guidance tape 16; Described subway track 6 is the closed track be made up of the partition wall of both sides between two-layer lane plate; Described highway lane 10 is the closed track be made up of the lane plate of lower floor, the partition wall of both sides and base plate; Improvement is:
Article three, form fire escape between the side partition wall in track and the inwall of shield tunnel;
The evacuation-slide 14 of more than three is provided with in fire escape between described compact car Special running road 2 and subway track 6;
The escape stair 12 of more than three is provided with in fire escape between described subway track 6 and highway lane 10;
Upper strata discharge flue 19 is formed between the crown wall in compact car Special running road 2 and the inner roof wall of shield tunnel;
The opposite side partition wall in subway track 6, to be communicated with between the opposite side partition wall top of highway lane 10 and the inwall of shield tunnel, the lower two-layer set smoke duct 5 share in formation;
Pipeline passway 8 is formed between the opposite side partition wall bottom of highway lane 10 and shield tunnel;
Central drainage passage 9 is formed between the base plate of highway lane 10 and shield tunnel.
The side partition wall in the compact car Special running road 2 that the evacuation-slide 14 with more than three is corresponding is provided with the upper strata escape 17 of more than three; The side partition wall in the subway track 6 that the escape stair 12 with more than three is corresponding is provided with the middle level escape 13 of more than three; The side partition wall of highway lane 10 is provided with lower floor's escape 11 of more than three.
Spacing between adjacent evacuation-slide 14 and the spacing between adjacent escape stair 12 are 10 ~ 15m.
The top board in described compact car Special running road 2 is provided with a upper strata smoke vent opening 20 every 30-40 rice; The partition wall top, side in the subway track 6 adjacent with set smoke duct 5 is provided with a middle level smoke vent opening 4 every 30-40 rice; The partition wall top, side of the highway lane 10 adjacent with set smoke duct 5 is provided with lower floor's smoke vent opening 7 every 30-40 rice.
Smoke exhaust fire damper is equipped with in described upper strata smoke vent opening 20, middle level smoke vent opening 4 and lower floor's smoke vent opening 7.
The top of described middle level escape 13 is provided with air curtain 22, enters fire escape for intercepting fire smoke.
Lane plate in described highway lane 10 is provided with smoke-proof pendant wall 24, is collapsed state at ordinary times, automatically puts down when fire occurs.
Jet blower 21 is equipped with in described three tracks.
Compare with partial double tunnel with the individual layer adopted in a large number both at home and abroad at present, beneficial effect of the present invention embodies in the following areas:
1, based on the limitation of current shield tunnel diameter both at home and abroad, three layers of runway are arranged in a kind of single tube tunnel, upper strata is compact car Special running road, middle level is subway track, and lower floor is highway lane, and cart dolly can travel, tunnel, upper strata is not owing to having large car to the interference of compact car pilot's line of vision and vehicle speed, effectively can reduce the generation of driving accident, compact car load is less simultaneously, little on the impact of structural stability.Some carts travel at lower floor's highway lane, avoid large load on the impact of superstructure; The subway track in middle level can a large amount of personnel of transport rapidly and efficiently, reduce vehicle flowrate.Make tunnel internal space be able to larger utilization, the difference in functionality method of operation combines mutually, and traffic capacity is significantly strengthened.
2, three layers of runway arranges upper strata discharge flue 19 and set smoke duct 5, three layers of runway due to vehicle flowrate and increases, and the possibility of the accidents such as breaking out of fire also increases, and when there is fire or traffic jam occurs simultaneously, just can rapidly and efficiently be discharged by flue gas; Wherein gathering smoke duct 5 is that subway track 6 and highway lane 10 share, improve the utilization rate of smoke duct, do not need the diameter strengthening shield tunnel 1, avoid the repeated construction of same facility, reduce the waste of space and resource, save tunnel space.
3, the visitors flowrate in subway track 6 is larger, the fire escape 15 in middle level is relatively large, personnel can be evacuated more efficiently, the personnel in compact car Special running road 2 can arrive fire escape fast by evacuation-slide 14, the personnel of highway lane 10 can reach fire escape 15 by escape stair 12, realize the high efficiency of evacuating personnel.
Accompanying drawing explanation
Fig. 1 is cross-sectional configuration schematic diagram of the present invention.
Fig. 2 is the elevational schematic of fire escape.
Sequence number in upper figure: shield tunnel 1, compact car Special running road 2, right partition wall 3, middle level smoke vent opening 4, set smoke duct 5, subway track 6, lower floor's smoke vent opening 7, pipeline passway 8, collection drainage channel 9, highway lane 10, lower floor's escape 11, escape stair 12, middle level escape 13, evacuation-slide 14, fire escape 15, upper deck guidance tape 16, upper strata escape 17, left partition wall 18, upper strata discharge flue 19, upper strata smoke vent opening 20, jet blower 21, air curtain 22, longitudinal evacuation platform 23, smoke-proof pendant wall 24.
Detailed description of the invention
Below in conjunction with accompanying drawing, by embodiment, the present invention is further described.
See Fig. 1, the diameter of the shield tunnel 1 of a kind of single tube three layers is 16m-17m, is divided into three tracks from top to bottom in shield tunnel 1 by two-layer lane plate, and it is compact car Special running road 2 at the middle and upper levels, and clear height reaches 3.5m; Intermediate layer is subway track 6, is highly 6m; Lower floor is highway lane 10, and clear height reaches 4.5m; In tunnel, Vehicle Speed should not more than 60Km/h.
Compact car Special running road 2 is the closed track be made up of left partition wall 18, right partition wall 3 and crown wall on upper deck guidance tape 16; Subway track 6 is the closed track be made up of the partition wall of both sides between two-layer lane plate; Highway lane 10 is the closed track be made up of the lane plate of lower floor, the partition wall of both sides and base plate.
Article three, in track, jet blower 21 is all installed.Article three, form fire escape between the left side partition wall in track and the inwall of shield tunnel, the left side in subway track 6 is fire escape 15.
Plural evacuation-slide 14 is provided with in fire escape between compact car Special running road 2 and subway track 6,
Plural escape stair 12 is provided with in fire escape between subway track 6 and highway lane 10;
Upper strata discharge flue 19 is formed between the crown wall in compact car Special running road 2 and the inner roof wall of shield tunnel;
The right side partition wall in subway track 6, to be communicated with between the partition wall top, right side of highway lane 10 and the inwall of shield tunnel, the lower two-layer set smoke duct 5 share in formation;
Pipeline passway 8 is formed between the partition wall bottom, right side of highway lane 10 and shield tunnel;
Central drainage passage 9 is formed between the base plate of highway lane 10 and shield tunnel.
The left partition wall 18 in the compact car Special running road 2 corresponding with the evacuation-slide 14 of more than three is provided with the upper strata escape 17 of more than three; The left side partition wall in the subway track 6 corresponding with the escape stair 12 of more than three is provided with the middle level escape 13 of more than three; The side partition wall of highway lane 10 is provided with lower floor's escape 11 of more than three.
Spacing between adjacent evacuation-slide 14 and the spacing between adjacent escape stair 12 are 12m.
The top board in compact car Special running road 2 fills a upper strata smoke vent opening 20 every 30 meter amperes; The partition wall top, side in the subway track 6 adjacent with set smoke duct 5 arranges a middle level smoke vent opening 4 every 30 meters; The partition wall top, side of the highway lane 10 adjacent with set smoke duct 5 arranges lower floor's smoke vent opening 7 every 30 meters.
All smoke exhaust fire damper is installed in upper strata smoke vent opening 20, middle level smoke vent opening 4 and lower floor's smoke vent opening 7.
The top of middle level escape 13 is provided with air curtain 22, enters fire escape for intercepting fire smoke.
Lane plate in highway lane 10 being provided with smoke-proof pendant wall 24, is collapsed state at ordinary times, automatically puts down when fire occurs.
As shown in Figure 2, when the accidents such as fire occur, the layout of evacuating personnel; When 2 breaking out of fire of compact car Special running road, upper strata, the driver and conductor that upper strata fire bed, by upper strata escape 17, enters fire escape 15 through evacuation-slide 14, then takes relief car or tunnel is left in walking; When in subway road, middle level during train breaking out of fire, by the middle level smoke vent opening 4 on left partition wall, in flue gas enters by exhaust smoke valve, lower bilayer share smoke evacuation designated lane 5, the driver and conductor that middle level fire bed penetrates middle level escape 13 by longitudinal evacuation platform 23, evacuate in fire escape 15, then take relief car or tunnel is left in walking.As shown in Figure 1, flue gas barrier design is carried out to fire escape 15, the adjustable air curtain 22 of air outlet angle being installed above middle level escape 13, entering fire escape for intercepting fire smoke; When lower floor's highway lane 10 catches fire by the lower floor's smoke vent opening 7 on left partition wall, through exhaust smoke valve, cigarette is entered set smoke duct 5.The driver and conductor that lower floor fire bed, by upper strata escape 11, enters fire escape 15 through escape stair 12, then takes relief car or tunnel is left in walking.Wherein above load larger lower floor highway lane 10, arranging horizontal smoke-proof pendant wall 24, is collapsed state at ordinary times, automatically puts down when fire occurs.Because putting down of smoke-proof pendant wall can reduce tunnel sectional area thus the wind speed increased under equal air quantity, therefore jet blower 21 wind speed is by degeneration factor coordinated signals.
It should be noted last that, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted.Although with reference to embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, modify to technical scheme of the present invention or equivalent replacement, do not depart from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (8)
1. single tube three layers of shield tunnel, are divided into three tracks by two-layer lane plate from top to bottom in described shield tunnel (1), and it is compact car Special running road (2) at the middle and upper levels, and intermediate layer is subway track (6), and lower floor is highway lane (10); Described compact car Special running road (2) is the closed track be made up of the partition wall of both sides and crown wall on upper deck guidance tape; The described closed track of subway track (6) for being made up of the partition wall of both sides between two-layer lane plate; Described highway lane (10) is the closed track be made up of the lane plate of lower floor, the partition wall of both sides and base plate; It is characterized in that:
Article three, form fire escape between the side partition wall in track and the inwall of shield tunnel;
The evacuation-slide (14) of more than three is provided with in fire escape between described compact car Special running road (2) and subway track (6),
The escape stair (12) of more than three is provided with in fire escape between described subway track (6) and highway lane (10);
Upper strata discharge flue (19) is formed between the crown wall in compact car Special running road (2) and the inner roof wall of shield tunnel;
The opposite side partition wall in subway track (6), to be communicated with between the opposite side partition wall top of highway lane (10) and the inwall of shield tunnel, the lower two-layer set smoke duct (5) share in formation;
Pipeline passway (8) is formed between the opposite side partition wall bottom of highway lane (10) and shield tunnel;
Central drainage passage (9) is formed between the base plate of highway lane (10) and shield tunnel.
2. a kind of single tube according to claim 1 three layers of shield tunnel, is characterized in that: the side partition wall in the compact car Special running road (2) that the evacuation-slide (14) with more than three is corresponding is provided with the upper strata escape (17) of more than three; The side partition wall in the subway track (6) that the escape stair (12) with more than three is corresponding is provided with the middle level escape (13) of more than three; The side partition wall of highway lane (10) is provided with lower floor's escape (11) of more than three.
3. a kind of single tube according to claim 1 three layers of shield tunnel, is characterized in that: the spacing between adjacent evacuation-slide (14) and the spacing between adjacent escape stair (12) are 10 ~ 15m.
4. a kind of single tube according to claim 1 three layers of shield tunnel, is characterized in that: the top board of described compact car Special running road (2) is provided with a upper strata smoke vent opening (20) every 30-40 rice; The partition wall top, side in the subway track (6) adjacent with set smoke duct (5) is provided with a middle level smoke vent opening (4) every 30-40 rice; The partition wall top, side of the highway lane (10) adjacent with set smoke duct (5) is provided with lower floor's smoke vent opening (7) every 30-40 rice.
5. a kind of single tube according to claim 1 three layers of shield tunnel, is characterized in that: be equipped with smoke exhaust fire damper in described upper strata smoke vent opening (20), middle level smoke vent opening (4) and lower floor's smoke vent opening (7).
6. a kind of single tube according to claim 2 three layers of shield tunnel, is characterized in that: the top in described middle level escape (13) is provided with air curtain (22), enters fire escape for intercepting fire smoke.
7. a kind of single tube according to claim 1 three layers of shield tunnel, it is characterized in that: the lane plate in described highway lane (10) is provided with smoke-proof pendant wall (24), is collapsed state at ordinary times, automatically puts down when fire occurs.
8. a kind of single tube according to claim 1 three layers of shield tunnel, is characterized in that: be equipped with jet blower (21) in described three tracks.
Priority Applications (1)
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CN201510764182.4A CN105257314A (en) | 2015-11-11 | 2015-11-11 | Monotube three-layer shield tunnel |
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CN201510764182.4A CN105257314A (en) | 2015-11-11 | 2015-11-11 | Monotube three-layer shield tunnel |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105971009A (en) * | 2016-06-21 | 2016-09-28 | 沈阳建筑大学 | Five-layer circular urban underground complex |
CN106013224A (en) * | 2016-06-21 | 2016-10-12 | 沈阳建筑大学 | Double-horseshoe-shaped urban underground complex |
CN106013221A (en) * | 2016-06-21 | 2016-10-12 | 沈阳建筑大学 | Four-layer rectangle-like urban underground complex |
CN106013226A (en) * | 2016-06-21 | 2016-10-12 | 沈阳建筑大学 | Urban underground complex with double-circle cross section |
CN107218058A (en) * | 2017-07-06 | 2017-09-29 | 中铁第四勘察设计院集团有限公司 | A kind of railway tunnel structure of layered arrangement |
CN107700529A (en) * | 2017-09-20 | 2018-02-16 | 深圳冠艺工业设计有限公司 | Underground pipe gallery transportation system |
CN110566222A (en) * | 2019-06-28 | 2019-12-13 | 中铁第四勘察设计院集团有限公司 | highway double-deck shield tunnel section structure |
CN110777583A (en) * | 2019-10-22 | 2020-02-11 | 上海市城市建设设计研究总院(集团)有限公司 | Tunnel reconstruction method for increasing number of lanes in existing shield tunnel |
CN111364513A (en) * | 2020-03-31 | 2020-07-03 | 中铁第四勘察设计院集团有限公司 | Subway co-construction underground station structure and construction method thereof |
CN111827355A (en) * | 2020-07-30 | 2020-10-27 | 叶明然 | Immersed tube tunnel and construction method |
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CN103939124A (en) * | 2014-05-13 | 2014-07-23 | 武汉中交交通工程有限责任公司 | Ventilation, smoke discharge and evacuation system for underwater single-tube double-layer shield traffic tunnel |
CN205243520U (en) * | 2015-11-11 | 2016-05-18 | 合肥工业大学 | Single tube three -layer shield tunnel |
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CN101560881A (en) * | 2009-05-15 | 2009-10-21 | 中铁第四勘察设计院集团有限公司 | Double-layer shield tunnel |
CN201460962U (en) * | 2009-06-09 | 2010-05-12 | 中铁第四勘察设计院集团有限公司 | Emergency evacuation and rescue system for two-lane railway round tunnel |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105971009A (en) * | 2016-06-21 | 2016-09-28 | 沈阳建筑大学 | Five-layer circular urban underground complex |
CN106013224A (en) * | 2016-06-21 | 2016-10-12 | 沈阳建筑大学 | Double-horseshoe-shaped urban underground complex |
CN106013221A (en) * | 2016-06-21 | 2016-10-12 | 沈阳建筑大学 | Four-layer rectangle-like urban underground complex |
CN106013226A (en) * | 2016-06-21 | 2016-10-12 | 沈阳建筑大学 | Urban underground complex with double-circle cross section |
CN107218058A (en) * | 2017-07-06 | 2017-09-29 | 中铁第四勘察设计院集团有限公司 | A kind of railway tunnel structure of layered arrangement |
CN107700529A (en) * | 2017-09-20 | 2018-02-16 | 深圳冠艺工业设计有限公司 | Underground pipe gallery transportation system |
CN110566222A (en) * | 2019-06-28 | 2019-12-13 | 中铁第四勘察设计院集团有限公司 | highway double-deck shield tunnel section structure |
CN110777583A (en) * | 2019-10-22 | 2020-02-11 | 上海市城市建设设计研究总院(集团)有限公司 | Tunnel reconstruction method for increasing number of lanes in existing shield tunnel |
CN111364513A (en) * | 2020-03-31 | 2020-07-03 | 中铁第四勘察设计院集团有限公司 | Subway co-construction underground station structure and construction method thereof |
CN111827355A (en) * | 2020-07-30 | 2020-10-27 | 叶明然 | Immersed tube tunnel and construction method |
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