CN204627618U - Upper and lower asymmetrical double layer tunnel - Google Patents
Upper and lower asymmetrical double layer tunnel Download PDFInfo
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- CN204627618U CN204627618U CN201520241219.0U CN201520241219U CN204627618U CN 204627618 U CN204627618 U CN 204627618U CN 201520241219 U CN201520241219 U CN 201520241219U CN 204627618 U CN204627618 U CN 204627618U
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Abstract
The utility model discloses a kind of upper and lower asymmetrical double layer tunnel, comprise tunnel body, tunnel body is divided into upper space and lower space, and upper space is divided into the top traffic space on the left of being positioned at and is positioned at right side and the flue communicated with top traffic space; Be divided into the auxiliary space on the left of being positioned in lower space and be positioned at right side and the bottom traffic space communicated with flue, in auxiliary space, spaced set has escape stair, escape stair top is arranged on driving the lower partition, and driving dividing plate is provided with multiple stair cover plate corresponding with row escape stair.The utility model is by changing tunnel internal structural configuration mode, space utilization mode is optimized, levels can be realized under the condition that Structure of need is not widened to evacuate each other, and levels tunnel can be realized ring road is set from structure both sides, construction land width can also be reduced, be applicable to when limiting by construction condition, construction land tenure width has particular/special requirement and intends adopting the roads and tunnels engineering of cut and cover method construction.
Description
Technical field
The utility model relates to underground construction technical field, refers to a kind of upper and lower asymmetrical double layer tunnel being applicable to cut and cover method and building particularly.
Background technology
In recent years, in order to alleviate urban traffic blocking situation, the application of roads and tunnels gets more and more, and part construction of tunnel limits by construction land width, have employed the form of double layer tunnel.When adopting cut and cover method to build the longer double layer tunnel of length, general employing tunnel cross-section form is as Fig. 1, shown in Fig. 2, it comprises the tunnel body of rectangular shape, twice partition wall 1 is vertically provided with in tunnel body, tunnel body is divided into the evacuation space being positioned at left side by described twice partition wall 1, be positioned at the traffic space at middle part and be positioned at the auxiliary space on right side, along being horizontally disposed with driving dividing plate 2 in traffic space, traffic space is divided into upper strata traffic space 3 and lower floor's traffic space 4 by driving dividing plate 2, in upper strata traffic space 3 and lower floor's traffic space 4, direction of traffic is contrary, and in auxiliary space, be horizontally provided with accessory septa 5, auxiliary space is divided into superposed flue 6 and is positioned at the cable tunnel 7 of bottom by accessory septa 5, in order to meet evacuating personnel needs, evacuation space is divided into by the evacuation dividing plate 8 of lateral arrangement and is positioned at top fire escape 9 and lower floor's fire escape 10, evacuate dividing plate 8 to be connected by escape stair 11 with bottom lower floor fire escape 10, escape stair 11 is by the layout that (is generally no more than 250m) at a certain distance.
There is following weak point in current this way:
1) in order to lay auxiliary space and evacuation space, need the length of widening tunnel body, corresponding engineering quantity increases; And when tunnel land used width along the line is all restricted, then auxiliary space is set and evacuation space difficulty is larger;
2) in order to make lower floor's tunnel flue gas enter top flue 6 by cigarette valve, accessory septa 5 between top flue 6 and cable gallery 7 must lower than driving dividing plate 2, double layer tunnel scheme is subject to the obstruct of flue, when needs arrange turnover ring road, the ring road in tunnel, upper strata and lower floor tunnel can only be arranged on the same side (relative to direction of traffic, being then heteropleural) of structure; If namely tunnel, upper strata arranges turnover ring road on the right side of direction of traffic, then lower floor tunnel can only arrange turnover ring road on the left of direction of traffic.When according to traffic data process demand, when tunnel, upper strata and lower floor tunnel all need arrange right side turnover ring road or all need to arrange left side turnover ring road, then existing double layer tunnel scheme cannot realize.
Summary of the invention
The purpose of this utility model is exactly the deficiency that will solve above-mentioned background technology, provides a kind of and is applicable to the upper and lower asymmetrical double layer tunnel that cut and cover tunneling also can reduce land used width.
The technical solution of the utility model is: a kind of upper and lower asymmetrical double layer tunnel, comprise the tunnel body of rectangular shape, it is characterized in that: in described tunnel body, be horizontally arranged with the driving dividing plate described tunnel body being divided into upper space and lower space, vertically be provided with the first partition wall in described upper space, described upper space is divided into the top traffic space on the left of being positioned at and is positioned at right side and the flue communicated with described top traffic space by described first partition wall; The second partition wall is vertically provided with in described lower space, described lower space is divided into the auxiliary space on the left of being positioned at and is positioned at right side and the bottom traffic space communicated with described flue by described second partition wall, in described auxiliary space, spaced set has escape stair, be arranged on bottom described escape stair on bottom described auxiliary space, described escape stair top is arranged on described driving the lower partition, described driving dividing plate is provided with stairhead corresponding to multiple and described escape stair.
In such scheme:
In described first partition wall, along tunnel, longitudinal spaced set has the upper exhaust smoke valve described top traffic space communicated with flue; In described driving dividing plate, along tunnel, longitudinal spaced set has the down smoke-discharging valve described bottom traffic space communicated with described flue.
Described second partition wall is provided with described auxiliary space communicated with bottom traffic space and with the labeled door of described escape stair.
Described stair cover plate can be flipped open by relatively described driving dividing plate.
The upper and lower asymmetrical double layer tunnel scheme that the utility model proposes is compared with traditional roads and tunnels, by changing tunnel internal structural configuration mode, space utilization mode is optimized, levels can be realized under the condition that Structure of need is not widened to evacuate each other, and levels tunnel can be realized ring road is set from structure both sides, can also reduce construction land width, be applicable to when limiting by construction condition, construction land tenure width has particular/special requirement and intends adopting the roads and tunnels engineering of cut and cover method construction.
Accompanying drawing explanation
Fig. 1 is double-deck road tunnel schematic diagram in background technology;
Fig. 2 is the layout schematic diagram of Fig. 1;
Fig. 3 is that the utility model arranges schematic diagram.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Existing upper and lower symmetrical roads and tunnels, is explained in detail in the introduction, repeats no more in this as shown in Figure 1 and Figure 2.
With reference to figure 3, the upper and lower asymmetrical double layer tunnel of one of the present embodiment, comprise the tunnel body of rectangular shape, be horizontally arranged with in tunnel body and tunnel body is divided into symmetrical upper space and the driving dividing plate 8 of lower space, vertically be provided with the first partition wall 1, first partition wall 1 in upper space upper space be divided into the top traffic space 2 on the left of being positioned at and be positioned at right side and the flue 3 communicated with top traffic space 2; And be vertically provided with the second partition wall 4, the second partition wall 4 in lower space and lower space be divided into the auxiliary space 5 being positioned at left side and the bottom traffic space 6 being positioned at right side, bottom traffic space 6 communicates with flue 3.
In the present embodiment, because top traffic space 2 and bottom traffic space 6 all communicate with flue 3, the object of top traffic space 2 and the shared flue 3 of bottom traffic space 6 can be realized; Further, enter flue 3 to realize flue gas in top traffic space 2 and bottom traffic space 6, in the first partition wall 1, along tunnel, longitudinal spaced set has the upper exhaust smoke valve 10 top traffic space 2 communicated with flue 3 in this enforcement; In driving dividing plate 8, along tunnel, longitudinal spaced set has the down smoke-discharging valve 11 bottom traffic space 6 communicated with flue 3.
In order to conserve space, in the present embodiment, auxiliary space 5 is except can arranging the facility such as cable bearer, bye wash, escape stair 7 can also be had by spaced set, top traffic space 2 can be communicated with bottom traffic space 6 by escape stair 7, further, the second partition wall 4 is provided with the labeled door 12 be communicated with bottom traffic space 6 by auxiliary space 5.Be arranged on bottom escape stair 7 on bottom auxiliary space 5, escape stair 7 top is arranged on driving dividing plate 8 bottom, and driving dividing plate 8 is provided with multiple stair cover plate 9 corresponding with escape stair; The stair cover plate 9 of the present embodiment is positioned at marginal strip, dividing plate 8 of can relatively driving a vehicle overturns, closed condition is in normal operation situation, when needing to open under accident conditions, hydraulic servo auxiliary under, namely can open from below, also can open from top, meet the needs that levels tunnel is evacuated each other.
In addition, the present embodiment owing to only laying flue 3 on the right side of upper strata traffic space 2, when can avoid needing in background technology to arrange turnover ring road, the ring road of upper strata traffic space 2 and lower floor's traffic space 6 can only be arranged on the phenomenon of the same side of structure, can realize upper strata traffic space 2 and lower floor's traffic space 6 all on the right side of direction of traffic or left side the object of turnover ring road is set.
In such scheme, the direction of traffic of upper strata traffic space 2 and lower floor's traffic space 6 is not particularly limited, and can exchange according to actual needs.
The upper and lower asymmetrical double layer tunnel scheme that the utility model proposes is compared with traditional roads and tunnels, by changing tunnel internal structural configuration mode, space utilization mode is optimized, levels can be realized under the condition that Structure of need is not widened to evacuate each other, and levels tunnel can be realized ring road is set from structure both sides, can also reduce construction land width, be applicable to when limiting by construction condition, construction land tenure width has particular/special requirement and intends adopting the roads and tunnels engineering of cut and cover method construction.
The above is only preferred embodiment of the present utility model, not does any pro forma restriction to structure of the present utility model.Every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all still belong in the scope of the technical solution of the utility model.
Claims (4)
1. about one kind asymmetrical double layer tunnel, comprise the tunnel body of rectangular shape, it is characterized in that: in described tunnel body, be horizontally arranged with the driving dividing plate (8) described tunnel body being divided into upper space and lower space, vertically be provided with the first partition wall (1) in described upper space, described upper space is divided into the top traffic space (2) on the left of being positioned at and is positioned at right side and the flue (3) communicated with described top traffic space (2) by described first partition wall (1), the second partition wall (4) is vertically provided with in described lower space, described lower space is divided into the auxiliary space (5) on the left of being positioned at and is positioned at right side and the bottom traffic space (6) communicated with described flue (3) by described second partition wall (4), described auxiliary space (5) interior spaced set has escape stair (7), described escape stair (7) bottom is arranged on described auxiliary space (5) bottom, described escape stair (7) top is arranged on described driving dividing plate (8) bottom, described driving dividing plate (8) is provided with the stair cover plate (9) that multiple and described escape stair is corresponding.
2. the upper and lower asymmetrical double layer tunnel of one according to claim 1, is characterized in that: in described first partition wall (1), along tunnel, longitudinal spaced set has the upper exhaust smoke valve (10) communicated with flue (3) on described top traffic space (2); In described driving dividing plate (8), along tunnel, longitudinal spaced set has the down smoke-discharging valve (11) be communicated with described flue (3) described bottom traffic space (6).
3. the upper and lower asymmetrical double layer tunnel of one according to claim 1, is characterized in that: described second partition wall (4) is provided with and is communicated with bottom traffic space (6) and the labeled door (12) corresponding with described escape stair (7) by described auxiliary space (5).
4. the upper and lower asymmetrical double layer tunnel of one according to claim 1, is characterized in that: described stair cover plate (9) can relatively described driving dividing plate (8) be flipped open.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520241219.0U CN204627618U (en) | 2015-04-21 | 2015-04-21 | Upper and lower asymmetrical double layer tunnel |
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| CN201520241219.0U CN204627618U (en) | 2015-04-21 | 2015-04-21 | Upper and lower asymmetrical double layer tunnel |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763437A (en) * | 2015-04-20 | 2015-07-08 | 中建南方投资有限公司 | Strong permeable stratum tunnel excavation method |
| CN104763439A (en) * | 2015-04-21 | 2015-07-08 | 中铁第四勘察设计院集团有限公司 | Up-down unsymmetrical double-layer tunnel |
| CN105714855A (en) * | 2016-04-15 | 2016-06-29 | 上海市城市建设设计研究总院 | Open-cut method tunnel structure |
| CN107059522A (en) * | 2017-04-01 | 2017-08-18 | 长安大学 | A kind of underground interchange |
-
2015
- 2015-04-21 CN CN201520241219.0U patent/CN204627618U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763437A (en) * | 2015-04-20 | 2015-07-08 | 中建南方投资有限公司 | Strong permeable stratum tunnel excavation method |
| CN104763439A (en) * | 2015-04-21 | 2015-07-08 | 中铁第四勘察设计院集团有限公司 | Up-down unsymmetrical double-layer tunnel |
| CN105714855A (en) * | 2016-04-15 | 2016-06-29 | 上海市城市建设设计研究总院 | Open-cut method tunnel structure |
| CN107059522A (en) * | 2017-04-01 | 2017-08-18 | 长安大学 | A kind of underground interchange |
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