CN113153349A - Landing platform separated type side platform shielding door installation vertical beam structure and construction method - Google Patents
Landing platform separated type side platform shielding door installation vertical beam structure and construction method Download PDFInfo
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- CN113153349A CN113153349A CN202110311978.XA CN202110311978A CN113153349A CN 113153349 A CN113153349 A CN 113153349A CN 202110311978 A CN202110311978 A CN 202110311978A CN 113153349 A CN113153349 A CN 113153349A
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- 238000009434 installation Methods 0.000 title claims abstract description 32
- 238000010276 construction Methods 0.000 title claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 30
- 239000010959 steel Substances 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000004873 anchoring Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 230000002787 reinforcement Effects 0.000 claims description 5
- 229910000746 Structural steel Inorganic materials 0.000 claims description 3
- 238000009428 plumbing Methods 0.000 claims 1
- 230000007547 defect Effects 0.000 abstract description 5
- 238000005452 bending Methods 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 5
- 238000005034 decoration Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005641 tunneling Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000012999 compression bending Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/14—Layout of tunnels or galleries; Constructional features of tunnels or galleries, not otherwise provided for, e.g. portals, day-light attenuation at tunnel openings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B1/00—General arrangement of stations, platforms, or sidings; Railway networks; Rail vehicle marshalling systems
- B61B1/02—General arrangement of stations and platforms including protection devices for the passengers
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/02—Suspension devices for tubes or the like, e.g. for ventilating ducts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The invention relates to a mounting vertical beam structure of a hoistway-platform separated side platform shield door, which comprises a subway tunnel, a micro-arch plate and a mounting vertical beam for assembling the shield door; the subway tunnel comprises a tunnel vault and a tunnel side wall, the micro-arch plate is arranged right below the tunnel vault and is horizontally connected with the tunnel side wall, and the mounting vertical beam is arranged on the lower edge of the middle of the micro-arch plate. According to the invention, by additionally arranging the micro arch plates horizontally connected with the side walls of the tunnels at two sides, the vertical tension weak node at the joint of the existing installation vertical beam and the arch top can be converted into the horizontal bending node which is connected with the side walls and has better stress, and the smooth installation and operation safety of the shield door equipment can be met only by suspending the short vertical beam at the lower edge of the middle part of the micro arch plate, so that the defects and the blank of the structural design form of the shield door installation vertical beam in the non-standard subway station are overcome.
Description
Technical Field
The invention relates to the field of urban rail transit engineering, in particular to a structure and a construction method for installing a vertical beam of a platform separated type side platform screen door, which can ensure the smooth installation and the operation safety of subway screen door equipment.
Background
With the acceleration of the urbanization process of China, the population quantity is rapidly expanded, the traffic jam is increasingly serious, and the subway engineering construction pace is faster and faster, but the subway station is limited and influenced by the problems of surrounding complex environment, road red line planning and the like, and a large number of subway stations with complex structures and different types are gradually emerged at present. Particularly, a hall-separated type I-shaped side platform station is taken as a typical representative, a platform layer is usually designed to be a U-shaped single-hole single-line or double-line parallel tunnel, the shape is similar to an interval but the function is identical to that of the station, shielding door equipment needs to be installed on the side, close to the line, of a platform plate, a concrete thin plate vertical beam is constructed downwards from the vault of the tunnel, and a section steel longitudinal beam along the line direction is installed at the tail end of the vertical beam to serve as a shielding door fixing steel member.
According to the structure form of the vertical beam and the shield door structure, due to the requirements of professional limits such as buildings, equipment, lines, traveling cranes and rails and the influence of arch camber effect of an arch structure, the height of the vertical beam structure for installing the shield door is not lower than 2.4m, the weight of a single-extension meter can reach 1.8t and is about 2.48 times of the weight of a standard island type station, so that the structure has the typical characteristics of being long, thick and heavy, the conventional installation method mainly comprises the following two steps, namely, a thin plate installation vertical beam and a tunnel vault lining are poured simultaneously, and the advantages are that: the concrete pouring quality of the connecting joint can be ensured; secondly, the thin plate mounting vertical beam and the tunnel vault lining are poured in stages, and the defects are as follows: the concrete pouring quality of the connecting nodes is difficult to guarantee.
Aiming at the specific arrangement and construction method of the conventional hall platform separated type I-shaped side platform shielding door installation vertical beam structure, the invention mainly analyzes the following steps:
(1) theoretically, the vault lining of the subway tunnel mainly takes the vertical downward deformation as the main part under the action of the water and soil pressure behind the vault lining for a long time, the shielded gate belongs to high-precision, automatic and intelligent equipment, and when a thin plate mounting vertical beam for mounting the shielded gate generates large vertical deformation, the shielded gate is very easy to be opened or closed, so that operation accidents occur;
(2) from the practical situation, the thin plate mounting vertical beam is not positioned in the middle of the arch crown of the tunnel, the size and the distribution rule of soil pressure load on the back of the lining are complex and changeable and difficult to quantify, the deformation direction randomness and uncertainty of the vertical beam structure are strong, and the separation, the incapability of mounting and the peeling between the vertical beam tail end section steel longitudinal beam and the shielding door and the operation accidents are easily caused;
(3) although the integral pouring scheme can improve the stress of the node to a certain degree, the structure of the area near the vault is difficult to pour compactly due to the influence of the first-to-last mould pouring sequence and the current construction process, and the thin plate mounting vertical beam belongs to a tension member under the action of self weight, so that the node steel bar is easy to generate fatigue damage under the action of long-term driving vibration load;
(4) when facing TBM machinery empty push station-crossing operating mode, can only adopt the scheme of pouring in stages, the thin plate installation hangs down the roof beam and originally belongs to the weak link of atress of new and old structure interface department with the vertical connected node of vault lining, has above-mentioned all not enough and shortcoming concurrently, takes place the installation roof beam accident of droing more easily.
In summary, in order to solve the problems of urban rail transit one-hundred-year engineering safety, smooth propelling of the tunneling machine, safe idle pushing, station passing and the like, the invention mainly aims at the defects of the existing concrete sheet vertical beam constructed downwards at the arch crown of the tunnel, and the following improvements are made.
Disclosure of Invention
In order to solve the defect that the safety of a shield door installation vertical beam structure during operation is difficult to guarantee in the conventional subway station with increasingly complex structural form and spatial layout by adopting a traditional mode, the invention provides a hall platform separated type side platform shield door installation vertical beam structure and a construction method.
The technical scheme adopted by the invention for solving the technical problems is as follows: a landing platform separated type side platform shield door installation vertical beam structure comprises a subway tunnel, a micro-arch plate and an installation vertical beam for assembling a shield door; wherein:
the subway tunnel comprises a tunnel vault and a tunnel side wall;
the micro-arch plate is arranged right below the tunnel arch crown and horizontally connected with the tunnel side wall, and the mounting vertical beam is arranged on the lower edge of the middle part of the micro-arch plate.
Preferably, the arching rise-span ratio of the micro-arch plate is set to 0.08-0.12.
Preferably, the middle of the micro arch plate is thin, and the two sides of the micro arch plate are thick, and the thicknesses of arch springing at the two sides are in a gradually-changing and expanding mode; and the upper edges of two side arch feet of the micro-arch arc plates horizontally connected with the side wall of the tunnel are respectively provided with a flat slope surface, and the length of the flat slope surface is more than or equal to 0.3 m.
Preferably, the space between the micro-arch plate and the tunnel vault is used for arranging a comprehensive pipeline, and the comprehensive pipeline is arranged on the micro-arch plate.
Preferably, a plurality of embedded steel pipes used for leading out water behind a secondary lining of the subway tunnel are arranged in arch foot areas on two sides of the micro arch plate respectively, the distance between each embedded steel pipe and the side wall of the tunnel is more than or equal to 0.1m, the embedded steel pipes are arranged at intervals along the longitudinal direction of the tunnel, and the longitudinal distance is 6-8 m.
Furthermore, a pressed flail rib is arranged at the joint of the tunnel side wall and the micro-arch plate, and the length of the pressed flail rib in the micro-arch plate is more than or equal to the corresponding tensile anchoring length.
The invention also provides a method for constructing the vertical beam structure for installing the platform separated side platform shielding door, which comprises the following steps:
s1, pouring the mounting vertical beam for assembling the shield door on the lower edge of the middle part of the micro-arch cambered plate in an integral pouring and common reinforcement mode;
s2, arranging a pressed swing rib at a joint to be connected between the micro-arch arc plate and the tunnel side wall, wherein the length of the pressed swing rib in the micro-arch arc plate is more than or equal to the corresponding tensile anchoring length;
and S3, erecting the micro-arch camber plate and the mounting template for mounting the vertical beam from the bottom plate elevation to a set height, binding structural steel bars, and performing concrete pouring and curing reinforcement.
Preferably, in step S3, a plurality of pre-buried steel pipes are arranged in the arch foot areas on the two sides of the micro-arch plate at intervals of 6-8m along the longitudinal direction of the tunnel, the clear distance between the pre-buried steel pipes and the side wall of the tunnel is greater than or equal to 0.1m, after the micro-arch plate and the side wall of the tunnel are poured and maintained, whether the pre-buried steel pipes are filled with foreign matters is checked, and a drainage hose is connected to the bottom of the pre-buried steel pipes and used for guiding and draining the tunnel lining seepage water to the side ditch of the track.
Further, the construction method also comprises the following steps: and arranging a comprehensive pipeline on the micro-arch arc plate on the basis of fixing the micro-arch arc plate, and assembling a shielding door below the installation vertical beam.
Compared with the prior art, the invention has the following advantages and effects:
1. according to the invention, the micro-arch camber plate horizontally connected with the tunnel side wall is additionally arranged right below the tunnel vault, and the mounting vertical beam is arranged at the lower edge of the middle part of the micro-arch camber plate, so that compared with the traditional mode that the concrete thin plate vertical beam is directly mounted below the tunnel vault, on one hand, a tension weak link at the joint of the tunnel vault and the thin plate vertical beam is cancelled, the defect that concrete pouring at a vertical connection node is not compact at a new and old structure interface can be overcome, and the falling accident of the mounting vertical beam caused by fatigue damage of a tension steel bar under the action of long-term driving vibration load during operation can be avoided; on the other hand, the invention utilizes the flat plate bending arching effect of the micro-arch camber plate to convert the stress state of the stressed steel bar at the horizontal connecting node with the tunnel side wall from pure bending tension to compression bending compression in the traditional mode, can effectively prevent the falling accident of the mounting vertical beam caused by insufficient anchoring force of the stressed steel bar at the horizontal connecting node under the action of long-term driving vibration load, and ensures the operation safety of the shield door.
2. Compared with the traditional mode that the installation vertical beam is directly poured below the tunnel vault, the structural arrangement of the installation vertical beam is characterized in that the installation vertical beam is arranged on the lower edge of the middle part of the micro-arch cambered plate, and the micro-arch cambered plate is arranged below the tunnel vault.
3. The space between the micro-arch arc plate and the tunnel vault is used for arranging the comprehensive pipeline, the micro-arch arc plate is used as a fixed base, the comprehensive pipeline is installed on the micro-arch arc plate, the pipeline arrangement is flexible, compared with the existing mode of directly installing the comprehensive pipeline on the tunnel vault, the number of hooks pre-embedded in the tunnel vault or expansion bolts implanted in the later period can be reduced, the internal force causing structural cracks or excessive deformation can be effectively avoided, the local damage of concrete at the hanging point can be prevented, meanwhile, the damage of mechanical punching to the finished product structure and waterproof materials can be avoided, on the other hand, the area above the micro-arch arc plate can be used as a walking space, and the later period operation, overhaul and maintenance are convenient.
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, and 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 these drawings without creative efforts.
Fig. 1 is a schematic cross-sectional view of a conventional installation vertical beam structure of a separate type side platform screen door for a hall.
Fig. 2 is a schematic cross-sectional view of a structure of a vertical beam for installing a platform separation type side platform screen door according to an embodiment of the present invention.
Description of reference numerals: 1. a subway tunnel; 11. vault of the tunnel; 12. a tunnel side wall; 2. installing a vertical beam; 3. a micro-arch arc plate; 4. pre-burying a steel pipe; 5. mechanically stepping the idle push profile; 6. and (4) integrating pipelines.
Detailed Description
The present invention will be described in further detail with reference to examples, which are illustrative of the present invention and are not to be construed as being limited thereto.
Example 1: as shown in fig. 2, a mounting vertical beam structure of a platform separated side platform screen door comprises a subway tunnel 1, a micro-arc plate 3 and a mounting vertical beam 2 for assembling the screen door; wherein: the subway tunnel 1 comprises a tunnel vault 11 and a tunnel side wall 12, the micro-arc plate 3 is arranged right below the tunnel vault 11 and is horizontally connected with the tunnel side wall 12, and the mounting vertical beam 2 is arranged on the lower edge of the middle of the micro-arc plate 3.
In the present embodiment 1, the arching span ratio of the micro-arch plate 3 is set to 0.08 to 0.12, preferably 0.1. The arching span ratio of the micro-arch arc plate 3 is set to be 0.08-0.12, so that on one hand, the stress performance of the joint of the installation vertical beam 2 and the micro-arch arc plate 3 can be improved, the micro-arch arc plate can be remarkably converted from vertical tension to horizontal compression, and on the other hand, the phenomenon that due to the fact that the micro-arch arc plate is excessively high in arching loss, the walking space for arranging the comprehensive pipeline in the later period is limited or insufficient, and then the use function is influenced can be avoided.
As shown in fig. 2, in the installation vertical beam structure of the platform separated side platform screen door of this embodiment 1, the middle of the micro arch plate 3 is thin, and the two sides are thick, and the thickness of the arch feet at the two sides is gradually increased; the upper edges of two side arch feet of the micro arch plates 3 horizontally connected with the tunnel side wall 12 are respectively provided with a flat slope surface, and the length of the flat slope surface is more than or equal to 0.3 m. Wherein, the setting of 3 arch feet department flat slope surfaces of arch camber plate a little: on one hand, a water storage area between the arch foot of the micro arch plate and the tunnel side wall 12 can be effectively avoided; meanwhile, when the flat slope surface is not less than 0.3m, the vertical pulling force applied to the micro-arc plate 3 can be better dispersed, and then the bearing capacity and the service life of the micro-arc plate 3 are improved.
Example 2: as shown in fig. 2, a hall disconnect-type side platform screen door installation hangs down roof beam structure, with embodiment 1's difference lies in, the space between little arched plate 3 and the tunnel vault 11 is used for arranging comprehensive pipeline 6, comprehensive pipeline 6 sets up on little arched plate 3, the both sides of little arched plate 3 arc foot region sets up a plurality of pre-buried steel pipes 4 respectively, the distance between pre-buried steel pipe 4 and tunnel side wall 12 is more than or equal to 0.1m, and is a plurality of pre-buried steel pipe 4 sets up along the vertical interval of tunnel, and the vertical interval is 6-8m, pre-buried steel pipe 4 can be connected with the drainage hose, leads the subway tunnel secondary lining back water to lower floor track escape canal.
In this embodiment 2, the comprehensive pipeline 6 is arranged on the micro arch plate 3, and compared with the existing mode of directly installing the comprehensive pipeline 6 on the tunnel vault 11 (as shown in fig. 1), on one hand, the number of hooks pre-embedded in the tunnel vault or expansion bolts chemically implanted in the later period can be reduced, and the internal force of structural cracks or excessive deformation is avoided; on the other hand, the area above the micro-arch camber plate 3 can be used as a walking space, so that later operation, overhaul and maintenance are facilitated.
Further, in the vertical beam structure for installing the platform separated side platform screen door according to embodiments 1 and 2, a pressed flail is provided at a connection position between the tunnel side wall 12 and the micro arc plate 3, and a length of the pressed flail in the micro arc plate 3 should not be less than a corresponding tensile anchoring length. Preferably, in the present embodiment 1 and embodiment 2, the length of the compressed slinger in the micro arch plate 3 is set to be 1.2 times of the corresponding tensile anchoring length.
Example 3: the structure for installing the vertical beam for the platform separated type side platform screen door in the embodiments 1 and 2 of the present invention is applied to the construction case that the platform layer of the subway station adopts a horseshoe-shaped single-hole single-line and double-line parallel tunnel, as shown in fig. 2, specifically, the construction method for installing the vertical beam structure for the platform separated type side platform screen door in the embodiments 1 and 2 is as follows:
(1) leveling a primary support base surface, paving a waterproof material, binding lining reinforcing steel bars, and erecting a mold to pour a tunnel arch wall lining structure;
(2) the micro arch plate 3 with the arching span ratio of 0.1 and the installation vertical beam 2 are subjected to common reinforcement and integral casting;
(3) reserving a pressed sling at a joint to be connected between the micro-arch plate 3 and the tunnel side walls 12 at two sides, wherein the length of the pressed sling is 1.2 times of the corresponding tensile anchoring length, and a mode of reserving a connector or a later-stage chemical bar planting mode is not selected as much as possible so as to prevent a continuous shearing sliding interface from being formed or damage a finished product structure and a waterproof material;
(4) when the tunneling machine (including a shield machine, a TBM (tunnel boring machine) or a pipe jacking machine) has a pushing step station-passing requirement, the mechanical step attitude is well controlled during station-passing, and the reserved pressed throwing ribs are ensured not to collide and scrape with a shield body;
(5) after the tunneling machine finishes a civil engineering task, erecting a structural template integrally cast by a micro-arch arc plate 3 and a mounting vertical beam 2 from a bottom plate elevation (the height of the structural template is that the height of the structural template is required to be above a suspended ceiling for decoration of a planned building), binding structural steel bars, and arranging a plurality of embedded steel pipes 4 on an arch foot flat slope section, wherein the clear distance between the embedded steel pipes 4 and a side wall is not less than 0.1m, the distance between the embedded steel pipes and the side wall is about 6-8m along the longitudinal direction, and curing and reinforcing the structural template after concrete is poured;
(6) removing the template engineering after the structure reaches 80% of the design strength, checking whether the embedded steel pipe 4 is filled with foreign matters to ensure smooth drainage, and guiding and draining the lining leakage water to the rail side ditch through a lower connecting drainage hose;
(7) the micro-arch plate 3 is taken as a fixed foundation, the comprehensive pipelines 6 are reasonably arranged, on the premise of avoiding the adoption of the traditional suspension type pipeline arrangement mode, enough space is reserved among the professional pipelines so as to facilitate later operation, maintenance and repair, shielding door equipment is installed, and public decoration is carried out (if the micro-arch plate 3 adopts a clear water concrete process, the public decoration can be cancelled).
In addition, it should be noted that the specific embodiments described in the present specification may differ in the shape of the components, the names of the components, and the like. All equivalent or simple changes of the structure, the characteristics and the principle of the invention which are described in the patent conception of the invention are included in the protection scope of the patent of the invention. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (9)
1. A landing platform separated type side platform shield door installation vertical beam structure is characterized by comprising a subway tunnel, a micro-arched plate and an installation vertical beam for assembling a shield door; wherein:
the subway tunnel comprises a tunnel vault and a tunnel side wall;
the micro-arch plate is arranged right below the tunnel arch crown and horizontally connected with the tunnel side wall, and the mounting vertical beam is arranged on the lower edge of the middle part of the micro-arch plate.
2. The hall split side platform screen door mounting drop beam structure of claim 1, wherein the micro-arcuate plate has an arching rise span ratio set to 0.08-0.12.
3. The hall separate type side platform screen door installation drop beam structure of claim 2, wherein the micro arch plate is thin in the middle and thick at two sides, and the thickness of the arch feet at two sides is in a gradually enlarged form; and the upper edges of two side arch feet of the micro-arch arc plates horizontally connected with the side wall of the tunnel are respectively provided with a flat slope surface, and the length of the flat slope surface is more than or equal to 0.3 m.
4. The hall separated type side platform screen door installation drop beam structure according to claim 2, wherein the space between the micro arch camber plate and the tunnel vault is used for arranging a comprehensive pipeline, and the comprehensive pipeline is arranged on the micro arch camber plate.
5. The hall platform separated type side platform screen door installation vertical beam structure according to claim 3 or 4, wherein a plurality of pre-buried steel pipes used for leading out water behind a secondary lining of a subway tunnel are respectively arranged in arch foot areas on two sides of the micro-arch arc plate, the distance between each pre-buried steel pipe and the side wall of the tunnel is more than or equal to 0.1m, the pre-buried steel pipes are arranged at intervals along the longitudinal direction of the tunnel, and the longitudinal interval is 6-8 m.
6. The hall platform separated type side platform screen door installation vertical beam structure as claimed in claim 1, wherein a pressed fling rib is arranged at the joint of the tunnel side wall and the micro-arch arc plate, and the length of the pressed fling rib in the micro-arch arc plate is more than or equal to the corresponding tensile anchoring length.
7. A method for constructing the platform-separating side platform screen door installation plumbing structure of any one of claims 1 to 6, comprising the steps of:
s1, pouring the mounting vertical beam for assembling the shield door on the lower edge of the middle part of the micro-arch cambered plate in an integral pouring and common reinforcement mode;
s2, arranging a pressed swing rib at a joint to be connected between the micro-arch arc plate and the tunnel side wall, wherein the length of the pressed swing rib in the micro-arch arc plate is more than or equal to the corresponding tensile anchoring length;
and S3, erecting the micro-arch camber plate and the mounting template for mounting the vertical beam from the bottom plate elevation to a set height, binding structural steel bars, and performing concrete pouring and curing reinforcement.
8. The method for installing the vertical beam structure on the shield door of the split-type side platform of the construction hall platform according to claim 7, wherein in step S3, a plurality of pre-buried steel pipes are arranged in the arch foot areas on the two sides of the micro-arch arc plate at intervals of 6-8m along the longitudinal direction of the tunnel, the clear distance between the pre-buried steel pipes and the side wall of the tunnel is greater than or equal to 0.1m, after the micro-arch arc plate and the side wall of the tunnel are poured and maintained, whether the pre-buried steel pipes are filled with foreign matters is checked, and a drainage hose is connected to the bottom of the pre-buried steel pipes and used for draining the tunnel lining seepage water to the side ditch of the track.
9. The method of constructing a platform screen door of a split-type side platform according to claim 7, further comprising the steps of: and arranging a comprehensive pipeline on the micro-arch arc plate on the basis of fixing the micro-arch arc plate, and assembling a shielding door below the installation vertical beam.
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| CN202110311978.XA CN113153349B (en) | 2021-03-24 | 2021-03-24 | Vertical beam structure for installing hall-platform separated side platform shielding door and construction method |
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| CN202110311978.XA CN113153349B (en) | 2021-03-24 | 2021-03-24 | Vertical beam structure for installing hall-platform separated side platform shielding door and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116291663A (en) * | 2023-03-20 | 2023-06-23 | 中交隧道工程局有限公司 | Flue plate bracket capable of providing horizontal force and flue plate optimal design method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1310113A (en) * | 2000-02-25 | 2001-08-29 | 株式会社纳博克 | Railway platform screening door apparatus and its safety escape plate |
| US20130031840A1 (en) * | 2011-07-01 | 2013-02-07 | U.S.F. Fabrication, Inc. | Latching Mechanism for Access Door |
| CN203403650U (en) * | 2013-08-28 | 2014-01-22 | 中铁十一局集团城市轨道工程有限公司 | Improved semi-prefabricated subway station rail top wind channel |
| CN205013013U (en) * | 2015-10-10 | 2016-02-03 | 中铁建大桥工程局集团第一工程有限公司 | Secretly dig station supporting construction suitable for last soft hard formation down |
| CN205532717U (en) * | 2016-01-28 | 2016-08-31 | 中铁第四勘察设计院集团有限公司 | Tunnel guard gate anti -overturning device and tunnel guard gate system |
| CN106869170A (en) * | 2017-03-31 | 2017-06-20 | 建研地基基础工程有限责任公司 | Open cut type is without big across the arch Metro Station Structure of post and design and construction method |
| CN108167011A (en) * | 2017-12-25 | 2018-06-15 | 北京芘苜信息技术有限公司 | The rail road building structure against the wind of urban rail traffic platform layer public area based on BIM |
| CN109868838A (en) * | 2019-03-12 | 2019-06-11 | 西南交通大学 | A kind of rail traffic of underground utilities close quarters is without column station construction method |
| CN110030016A (en) * | 2019-05-08 | 2019-07-19 | 中铁第六勘察设计院集团有限公司 | A kind of ground consisting of hard rock tunneling single shell lining Subway Stop line large cross-section tunnel structure |
| WO2020203512A1 (en) * | 2019-04-05 | 2020-10-08 | 株式会社シェルタージャパン | Fire-resistant shelter |
-
2021
- 2021-03-24 CN CN202110311978.XA patent/CN113153349B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1310113A (en) * | 2000-02-25 | 2001-08-29 | 株式会社纳博克 | Railway platform screening door apparatus and its safety escape plate |
| US20130031840A1 (en) * | 2011-07-01 | 2013-02-07 | U.S.F. Fabrication, Inc. | Latching Mechanism for Access Door |
| CN203403650U (en) * | 2013-08-28 | 2014-01-22 | 中铁十一局集团城市轨道工程有限公司 | Improved semi-prefabricated subway station rail top wind channel |
| CN205013013U (en) * | 2015-10-10 | 2016-02-03 | 中铁建大桥工程局集团第一工程有限公司 | Secretly dig station supporting construction suitable for last soft hard formation down |
| CN205532717U (en) * | 2016-01-28 | 2016-08-31 | 中铁第四勘察设计院集团有限公司 | Tunnel guard gate anti -overturning device and tunnel guard gate system |
| CN106869170A (en) * | 2017-03-31 | 2017-06-20 | 建研地基基础工程有限责任公司 | Open cut type is without big across the arch Metro Station Structure of post and design and construction method |
| CN108167011A (en) * | 2017-12-25 | 2018-06-15 | 北京芘苜信息技术有限公司 | The rail road building structure against the wind of urban rail traffic platform layer public area based on BIM |
| CN109868838A (en) * | 2019-03-12 | 2019-06-11 | 西南交通大学 | A kind of rail traffic of underground utilities close quarters is without column station construction method |
| WO2020203512A1 (en) * | 2019-04-05 | 2020-10-08 | 株式会社シェルタージャパン | Fire-resistant shelter |
| CN110030016A (en) * | 2019-05-08 | 2019-07-19 | 中铁第六勘察设计院集团有限公司 | A kind of ground consisting of hard rock tunneling single shell lining Subway Stop line large cross-section tunnel structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116291663A (en) * | 2023-03-20 | 2023-06-23 | 中交隧道工程局有限公司 | Flue plate bracket capable of providing horizontal force and flue plate optimal design method |
| CN116291663B (en) * | 2023-03-20 | 2024-04-16 | 中交隧道工程局有限公司 | Flue plate bracket capable of providing horizontal force and flue plate optimal design method |
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| CN113153349B (en) | 2023-05-23 |
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