CN212337358U - Connection structure of evacuation platform in shield zone at interconnection channel - Google Patents
Connection structure of evacuation platform in shield zone at interconnection channel Download PDFInfo
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- CN212337358U CN212337358U CN202021779209.XU CN202021779209U CN212337358U CN 212337358 U CN212337358 U CN 212337358U CN 202021779209 U CN202021779209 U CN 202021779209U CN 212337358 U CN212337358 U CN 212337358U
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Abstract
The utility model belongs to the technical field of underground engineering, in particular to a connecting structure of a shield interval evacuation platform at a communication channel, which comprises an evacuation platform plate, a ramp step plate and a horizontal step plate, which are all arranged in a shield interval tunnel; the horizontal step plate is arranged at a position communicated with the communication channel in the shield interval tunnel, evacuation platform plates are arranged on two sides of the horizontal step plate, and two ends of the horizontal step plate are respectively connected with the evacuation platform plates on two sides through ramp step plates; the ramp deck slopes downwardly along the evacuation platform deck to the horizontal deck. The utility model discloses set up the ramp step that satisfies the evacuation requirement slope in the evacuation platform board disconnection department of contact passageway both sides, the root of both sides ramp step is continuous with the horizontal step, and when reacing the contact passageway through the sparse passenger of evacuation platform, directly get into the contact passageway through ramp step to the horizontal step after going up and reachd non-accident tunnel, need not to stride across 2 rail alright safely, conveniently get into the contact passageway.
Description
Technical Field
The utility model belongs to the technical field of underground works, concretely relates to connection structure of evacuation platform in contact passageway department between shield structure interval.
Background
For facilitating evacuation of passengers under accident conditions, the left side of the driving direction of the tunnel in the subway section can be provided with an evacuation platform with the width not less than 550mm and the height higher than the rail surface by 850mm, and passengers go out of a side door and go down to the evacuation platform when an accident occurs, and are evacuated from the accident tunnel to a non-accident tunnel through a communication channel. When contact passageway and rail face are leveled at ordinary times, evacuation platform need break off at contact passageway department, and traditional way is setting up the stair in the department of breaking off, and the passenger passes through the stair and goes down to the railway roadbed, reentrant contact passageway, and the passenger through the railway roadbed evacuation directly gets into contact passageway. The method needs the passengers on the evacuation platform to go down stairs and then cross over the steel rail twice to enter the communication channel, so that the problem of unsmooth evacuation exists.
Disclosure of Invention
In order to overcome the deficiencies in the prior art, the utility model aims at providing a connection structure of evacuation platform in contact passageway department between shield zone can make evacuation route safer, convenient.
In order to achieve the purpose, the technical scheme of the utility model is a connecting structure of the evacuation platform in the shield interval at the connecting channel, which comprises an evacuation platform plate, a ramp step plate and a horizontal step plate, all arranged in the tunnel in the shield interval; the horizontal step plate is arranged at a position communicated with the communication channel in the shield interval tunnel, evacuation platform plates are arranged on two sides of the horizontal step plate, and two ends of the horizontal step plate are respectively connected with the evacuation platform plates on two sides through ramp step plates; the ramp deck slopes downwardly along the evacuation platform deck to the horizontal deck.
Further, the top surface of the horizontal step plate is slightly higher than the top surface of the bottom plate in the communication channel.
Furthermore, the horizontal step plate is arranged on the steel plate support, the bottom of the steel plate support is fixed with a bottom plate in the shield interval tunnel, and the top of the steel plate support is fixed with a shield interval tunnel lining ring.
Further, the steel plate support comprises a horizontal part, a vertical part and an inclined part, the bottom of the vertical part is connected with a bottom plate in the shield zone tunnel, the top of the vertical part is connected with one end of the horizontal part, the other end of the horizontal part is connected with the middle of the inclined part, and the inclined part is connected with a lining ring of the shield zone tunnel; the horizontal step plate is disposed on the horizontal portion.
Furthermore, the bottom of the vertical part is connected with a bottom plate in the shield interval tunnel through a connecting angle steel.
Furthermore, the outer side surface of the inclined part is matched with the inner side surface of the shield interval tunnel lining ring, anchor bolt holes are correspondingly formed in the inclined part and the shield interval tunnel lining ring, and the inclined part is connected with the shield interval tunnel lining ring through anchor bolts.
Furthermore, the steel plate support, the shield interval tunnel lining ring and a bottom plate in the shield interval tunnel form a channel for a pipeline to penetrate through.
Furthermore, the connection part of the evacuation platform plate and the evacuation platform plate is supported on a first steel beam, two movement stopping steel bars are welded on the top surface of the first steel beam, and a through groove which penetrates through the end part of the evacuation platform plate from top to bottom is formed in the end part of the evacuation platform plate; the top surface of first girder steel has been laid the mortar screed-coat, and the tip of two sparse landing slabs is arranged in respectively on the mortar screed-coat, the steel muscle that only moves on the first girder steel is located the logical groove of two sparse landing slab tip respectively, just it waters the fine stone concrete after to pour in leading to the inslot.
Furthermore, the connecting part of the evacuation platform plate and the ramp step plate is supported on a second steel beam, one side of the second steel beam is provided with a first angle steel, and the other side of the second steel beam is provided with a second angle steel; the top surface of first angle steel with the second angle steel all welds and has stopped the reinforcing bar, evacuation platform board with the tip of ramp step all is equipped with the logical groove that runs through from top to bottom, the top surface of first angle steel with the mortar screed-coat has all been laid to the top surface of second angle steel, evacuation platform board with the tip of ramp step is arranged in respectively first angle steel with the second angle steel top surface on the mortar screed-coat, the steel bar that stops on the first angle steel with the steel bar that stops on the second angle steel is located respectively evacuation platform board with in the logical groove of ramp step tip, just post-cast fine stone concrete has been pour in the logical groove.
Furthermore, the second steel beam comprises H-shaped steel, two ends of an upper wing plate of the H-shaped steel are connected with two ends of a lower wing plate of the H-shaped steel through connecting steel plates respectively, and the first angle steel and the second angle steel are welded with the connecting steel plates on two sides of the H-shaped steel respectively.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the utility model discloses set up the ramp step that satisfies the slope of sparse requirement in the evacuation platform board disconnection department of contact channel both sides, the root of both sides ramp step is continuous with horizontal step, when the passenger through evacuation platform evacuation reachs the contact channel, directly gets into the contact channel and reachs non-accident tunnel after arriving horizontal step through the ramp step, need not to stride across 2 rail, and the evacuation route is safer, convenient;
(2) the utility model discloses well horizontal step is a little higher than the rail surface to the pipeline can be followed horizontal step and passed through under the sparse platform board, does not influence the people current.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic plan view of a connection structure of a shield zone evacuation platform at a communication channel according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a connection structure of the evacuation platform between shield zones at a communication channel according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of a platform step plate in a connection structure of the evacuation platform between shield zones at the communication channel according to the embodiment of the present invention;
FIG. 4 is an enlarged schematic view at A in FIG. 3;
fig. 5 is a side view of an evacuation platform board and evacuation platform board provided in an embodiment of the present invention at a first steel beam;
fig. 6 is a side view of an evacuation platform deck and a ramp deck provided in accordance with an embodiment of the present invention at a second steel beam;
in the figure: 1. evacuation platform board, 2, ramp step board, 3, horizontal step board, 4, communication channel, 41, communication channel primary support, 42, communication channel secondary support, 5, steel plate support, 51, horizontal part, 52, vertical part, 53, inclined part, 6, shield interval tunnel lining ring, 7, angle steel, 8, anchor bolt, 9, channel, 10, pipeline, 11, handrail, 12, equipment limit, 13, vehicle limit, 14, vehicle contour line, 15, bottom plate, 16, H-shaped steel, 17, anchoring steel plate, 18, connecting steel plate, 19, first angle steel, 20, second angle steel, 21, stiffening steel plate, 22, stopping steel bar, 23, mortar leveling layer, 24, post-pouring fine stone concrete.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1 to 4, the present embodiment provides a connection structure of a shield zone evacuation platform at a communication channel, including an evacuation platform plate 1, a ramp step plate 2 and a horizontal step plate 3, all of which are disposed in a shield zone tunnel; the horizontal step plate 3 is arranged at a position communicated with the communication channel 4 in the shield interval tunnel, evacuation platform plates 1 are arranged on two sides of the horizontal step plate 3, and two ends of the horizontal step plate 3 are respectively connected with the evacuation platform plates 1 on two sides through ramp step plates 2; the ramp deck 2 is inclined downward along the evacuation platform deck 1 to the horizontal deck 3. The utility model discloses 1 disconnection department at the evacuation platform board of contact 4 both sides sets up the ramp step 2 that satisfies the slope of sparse requirement, the root of both sides ramp step 2 is with horizontal step 3 and links to each other, when the evacuated passenger of through evacuation platform reachs contact 4, the passenger passes through ramp step 2 to horizontal step 3 after, can directly get into contact 4 and reachs non-accident tunnel, the passenger need not to stride across 2 rail alright safety, conveniently get into in the contact 4. In addition, the connecting structure of the embodiment can directly construct the ramp step plate 2 and the horizontal step plate 3 between the evacuation platform plates 1 disconnected at two sides of the existing connecting channel, thereby saving the project and the construction period.
Further, the gradient of the ramp step plate 2 can be 1: 8-20 so as to meet the evacuation requirement.
Further, the top surface of the horizontal step plate 3 is slightly higher than the top surface of the bottom plate in the communication passage 4. Because the bottom plate in the communication channel 4 is flush with the rail surface in the shield interval tunnel, namely the horizontal step plate 3 is slightly higher than the rail surface, the pipeline under the evacuation platform plate 1 can pass through the horizontal step plate 3 without influencing the passing of people; the top surface of the horizontal footplate 3 is typically about 200mm higher than the top surface of the base plate in the communication passage 4.
Further, the horizontal step plate 3 is supported on a steel plate support 5, the bottom of the steel plate support 5 is fixed with a bottom plate 15 in the shield interval tunnel, and the top of the steel plate support 5 is fixed with a shield interval tunnel lining ring 6. As shown in fig. 1, both ends of the horizontal step plate 3 are connected to the platform step plates 1 at both sides of the communication passage 4 through the ramp step plate 2, and both ends of the horizontal step plate 3 are supported on the steel plate stays 5, respectively.
Further, the steel plate support 5 comprises a horizontal part 51, a vertical part 52 and an inclined part 53, the bottom of the vertical part 52 is connected with the bottom plate 15 in the shield interval tunnel, the top of the vertical part 52 is connected with one end of the horizontal part 51, the other end of the horizontal part 51 is connected with the middle of the inclined part 53, and the inclined part 53 is connected with the shield interval tunnel lining ring 6; the horizontal step plate 3 is disposed on the horizontal portion 51. Wherein the horizontal portion 51 and the vertical portion 52 may be integrally prefabricated.
Specifically, the bottom of the vertical portion 52 may be connected to the bottom plate 15 in the shield-zone tunnel through a connecting angle 7. Specifically, the outer side surface of the inclined portion 53 is matched with the inner side surface of the shield interval tunnel lining ring 6, the inclined portion 53 and the shield interval tunnel lining ring 6 are correspondingly provided with anchor bolt holes, and the inclined portion 53 is connected with the shield interval tunnel lining ring 6 through anchor bolts 8, as shown in fig. 4. The portion of the inclined portion 53 above the tread and the portion of the inclined portion 53 below the horizontal portion 51 are connected to the shield zone tunnel lining ring 6 by anchor bolts 8, respectively.
Furthermore, the steel plate support 5, the shield-zone tunnel lining ring 6 and the bottom plate 15 in the shield-zone tunnel enclose a channel 9 through which the pipeline 10 passes. As shown in fig. 4, the horizontal portion 51 and the vertical portion 52 of the steel plate support 5, the shield-zone tunnel lining ring 6 and the bottom plate 15 in the shield-zone tunnel enclose a channel 9 for the pipeline 10 to pass through, such as a drain pipe; in particular, the pipeline 10 may be arranged on a support which may be fixed to the shield zone tunnel lining ring 6.
Furthermore, the connection part of the evacuation platform plate 1 and the evacuation platform plate 1 is supported on a first steel beam, two stopping steel bars 22 are welded on the top surface of the first steel beam, and a through groove which penetrates through the end part of the evacuation platform plate 1 from top to bottom is formed in the end part of the evacuation platform plate 1; mortar screed-coat 23 has been laid to the top surface of first girder steel, and the tip of two evacuation platform boards 1 is arranged in respectively on the mortar screed-coat 23, the steel bar 22 that only moves on the first girder steel is located the logical groove of two evacuation platform board 1 tip respectively, just post-cast fine stone concrete 24 has been pour in leading to the groove. In this embodiment, the first steel beam includes H shaped steel 16, and the mortar screed 23 has been laid to the last pterygoid lamina of the H shaped steel 16 of first steel beam, and the inboard and the anchor steel sheet 17 full weld welding of the H shaped steel 16 of first steel beam, and this anchor steel sheet 17 is fixed through crab-bolt 8 and shield structure interval tunnel lining ring 6.
Furthermore, the connection part of the evacuation platform plate 1 and the ramp step plate 2 is supported on a second steel beam, one side of the second steel beam is provided with a first angle steel 19, and the other side is provided with a second angle steel 20; the top surface of first angle steel 19 with second angle steel 20 all welds and has had the steel reinforcement 22 that only moves, evacuation platform board 1 with the tip of ramp step 2 all is equipped with the logical groove that runs through from top to bottom, the top surface of first angle steel 19 with the top surface of second angle steel 20 has all laid mortar screed-coat 23, evacuation platform board 1 with the tip of ramp step 1 is arranged in respectively first angle steel 19 with the top surface of second angle steel 20 on the mortar screed-coat 23, the steel reinforcement 22 that only moves on the first angle steel 19 with the steel reinforcement 22 that only moves on the second angle steel 20 is located respectively in the logical groove of evacuation platform board 1 with ramp step 2 tip, just pour thin stone concrete 24 after having pour in the logical groove.
Furthermore, the second steel beam comprises H-shaped steel 16, two ends of an upper wing plate of the H-shaped steel 16 are respectively connected with two ends of a lower wing plate thereof through connecting steel plates 18, and the first angle steel 19 and the second angle steel 20 are respectively welded with the connecting steel plates 18 at two sides of the H-shaped steel. The inner side of the H-shaped steel 16 of the second steel beam of the embodiment is fully welded with an anchoring steel plate 17, and the anchoring steel plate 17 is fixed with the shield interval tunnel lining ring 6 through an anchor bolt 8; the top surface of the first angle steel 19 is horizontally arranged, and the top surface of the evacuation platform plate 1 is flush with the top surface of the upper wing plate of the H-shaped steel 16 of the second steel beam; the top surface of the second angle iron 20 is arranged obliquely and the top surface matches the inclination angle of the ramp step 2. Optimally, the outer side of the top surface of the first angle steel 19 is connected with the bottom of the side surface of the first angle steel through a stiffening steel plate 21, and the outer side of the top surface of the second angle steel 20 is connected with the bottom of the side surface of the second angle steel through a stiffening steel plate 21, so that the overall stability is improved.
Further, the outside of the evacuation platform board 1 is provided with a handrail 11.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a connection structure of evacuation platform in shield zone department at contact passageway which characterized in that: the evacuation platform comprises an evacuation platform plate, a ramp step plate and a horizontal step plate which are all arranged in a shield interval tunnel; the horizontal step plate is arranged at a position communicated with the communication channel in the shield interval tunnel, evacuation platform plates are arranged on two sides of the horizontal step plate, and two ends of the horizontal step plate are respectively connected with the evacuation platform plates on two sides through ramp step plates; the ramp deck slopes downwardly along the evacuation platform deck to the horizontal deck.
2. The connection structure of the evacuation platform in the shield zone at the communication passage according to claim 1, wherein: the top surface of the horizontal step plate is slightly higher than the top surface of the bottom plate in the communication channel.
3. The connection structure of the evacuation platform in the shield zone at the communication passage according to claim 1, wherein: the horizontal step plate is arranged on the steel plate support, the bottom of the steel plate support is fixed with a bottom plate in the shield interval tunnel, and the top of the steel plate support is fixed with a shield interval tunnel lining ring.
4. The connection structure of the evacuation platform in the shield zone at the communication passage according to claim 3, wherein: the steel plate support comprises a horizontal part, a vertical part and an inclined part, the bottom of the vertical part is connected with a bottom plate in the shield interval tunnel, the top of the vertical part is connected with one end of the horizontal part, the other end of the horizontal part is connected with the middle of the inclined part, and the inclined part is connected with a shield interval tunnel lining ring; the horizontal step plate is disposed on the horizontal portion.
5. The connection structure of the evacuation platform between shield zones at the communication passage according to claim 4, wherein: the bottom of the vertical part is connected with a bottom plate in the shield interval tunnel through a connecting angle steel.
6. The connection structure of the evacuation platform between shield zones at the communication passage according to claim 4, wherein: the outer side surface of the inclined part is matched with the inner side surface of the shield interval tunnel lining ring, anchor bolt holes are correspondingly formed in the inclined part and the shield interval tunnel lining ring, and the inclined part is connected with the shield interval tunnel lining ring through anchor bolts.
7. The connection structure of the evacuation platform between shield zones at the communication passage according to claim 4, wherein: and the steel plate support, the shield interval tunnel lining ring and a bottom plate in the shield interval tunnel are encircled to form a channel for the pipeline to penetrate through.
8. The connection structure of the evacuation platform in the shield zone at the communication passage according to claim 1, wherein: the connection part of the evacuation platform plate and the evacuation platform plate is supported on a first steel beam, two movement stopping steel bars are welded on the top surface of the first steel beam, and a through groove which penetrates through the evacuation platform plate from top to bottom is formed in the end part of the evacuation platform plate; the top surface of first girder steel has been laid the mortar screed-coat, and the tip of two sparse landing slabs is arranged in respectively on the mortar screed-coat, the steel muscle that only moves on the first girder steel is located the logical groove of two sparse landing slab tip respectively, just it waters the fine stone concrete after to pour in leading to the inslot.
9. The connection structure of the evacuation platform in the shield zone at the communication passage according to claim 1, wherein: the connection part of the evacuation platform plate and the ramp step plate is supported on a second steel beam, one side of the second steel beam is provided with a first angle steel, and the other side of the second steel beam is provided with a second angle steel; the top surface of first angle steel with the second angle steel all welds and has stopped the reinforcing bar, evacuation platform board with the tip of ramp step all is equipped with the logical groove that runs through from top to bottom, the top surface of first angle steel with the mortar screed-coat has all been laid to the top surface of second angle steel, evacuation platform board with the tip of ramp step is arranged in respectively first angle steel with the second angle steel top surface on the mortar screed-coat, the steel bar that stops on the first angle steel with the steel bar that stops on the second angle steel is located respectively evacuation platform board with in the logical groove of ramp step tip, just post-cast fine stone concrete has been pour in the logical groove.
10. The connection structure of the evacuation platform between shield zones at the communication passage according to claim 9, wherein: the second girder steel includes H shaped steel, the both ends of the last pterygoid lamina of H shaped steel are connected through steel connection plate respectively rather than the both ends of pterygoid lamina down, first angle steel with the second angle steel respectively with the steel connection plate welding of H shaped steel both sides.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021779209.XU CN212337358U (en) | 2020-08-24 | 2020-08-24 | Connection structure of evacuation platform in shield zone at interconnection channel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021779209.XU CN212337358U (en) | 2020-08-24 | 2020-08-24 | Connection structure of evacuation platform in shield zone at interconnection channel |
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| CN212337358U true CN212337358U (en) | 2021-01-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112127942A (en) * | 2020-08-24 | 2020-12-25 | 中铁第四勘察设计院集团有限公司 | Connection structure of evacuation platform in shield zone at interconnection channel |
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- 2020-08-24 CN CN202021779209.XU patent/CN212337358U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112127942A (en) * | 2020-08-24 | 2020-12-25 | 中铁第四勘察设计院集团有限公司 | Connection structure of evacuation platform in shield zone at interconnection channel |
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