CN112482809A - In-situ rapid reconstruction and upgrade construction method for existing operation railway station - Google Patents
In-situ rapid reconstruction and upgrade construction method for existing operation railway station Download PDFInfo
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- CN112482809A CN112482809A CN202011330667.XA CN202011330667A CN112482809A CN 112482809 A CN112482809 A CN 112482809A CN 202011330667 A CN202011330667 A CN 202011330667A CN 112482809 A CN112482809 A CN 112482809A
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- 238000010276 construction Methods 0.000 title claims abstract description 41
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 15
- 230000001174 ascending effect Effects 0.000 claims abstract description 33
- 230000009466 transformation Effects 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 9
- 230000000903 blocking effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0266—Enlarging
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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
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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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Abstract
The invention discloses an in-situ rapid reconstruction and upgrade construction method for a railway station of an existing operation railway, belonging to the field of railway reconstruction, and the method keeps normal traffic of an original uplink and an original downlink; dismantling related facilities in the south area of the existing station, and building new facilities required by underground passages, platforms, trains and the like in the south area; then, the original ascending line and the original descending line are connected to a new south field line, the construction field is transferred to a north field, and underground passages, platforms, train passing facilities and the like in the north field range are newly built except for related facilities in the north field range of the existing station; transferring the south field uplink to the north field according to the design rule to build a permanent line, connecting the downlink to the design permanent line, and restoring the new south field line in situ; finally, the reconstruction, upgrading and construction of the existing operation railway station are realized. The invention can solve the problems of transformation and upgrading of the existing railway station, limited site and the need of ensuring the operation of the existing line, and avoids the safety risk of construction operation near a business line.
Description
Technical Field
The invention relates to the field of railway transformation, in particular to a construction method for in-situ rapid transformation and upgrading of an existing operation railway station.
Background
Along with the rapid development of urban economy in China, the population flow among cities is increased, the urban image requirement is higher and higher, railways have a great proportion in a plurality of travel modes, and railway stations can particularly show the appearance of a city. The functions, scale and image of the existing railway station can not meet the needs of cities, and station transformation and upgrading tends to be normalized.
The improvement and the upgrade of the existing railway station are effective measures for improving the urban image and the trip conditions of people. The existing railway station transformation and upgrading comprises transformation and construction of station houses, platforms, rain sheds, underground passages, lines, supporting facilities and the like. When the station is transformed and constructed, the normal operation of a business line is often ensured at the same time, which brings great difficulty to the station transformation and construction. If a temporary transition station is newly built beside an existing station, although the existing station can be comprehensively and simultaneously transformed, the construction cost is high, the required field is large, the construction influence range is large, and no enough space is usually formed around the station; if the operation line is stopped, the operation is carried out again after the reconstruction construction is finished, and the operation benefit of the operation line is influenced.
Disclosure of Invention
The invention aims to provide a construction method for quickly reconstructing and upgrading an original operating railway station in situ, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a rapid in-situ transformation and upgrading construction method for an existing operation railway station comprises an existing first platform, an existing second platform and an existing third platform, wherein at least two existing north field lines are arranged between the existing first platform and the existing second platform, and a plurality of existing south field lines are arranged between the existing second platform and the existing third platform; the construction steps are as follows:
step 1: two existing north-field lines are reserved as an original ascending line and an original descending line respectively, and necessary facilities for trains to pass through the original ascending line and the original descending line are reserved;
step 2: constructing in a south field, dismantling an existing third platform, an existing south field line and a curved strand line of an original turnout connected with the existing south field line, opening a straight strand of the original turnout, and fastening by a nail;
and step 3: constructing in a north field, dismantling a curved strand line and a front-of-switch line of a related turnout connected with an original ascending line and an original descending line, opening a straight strand of the turnout, and fastening by closing a nail; removing other existing north field lines except the original ascending line and the original descending line and other turnouts connected with the existing north field lines, and removing facilities irrelevant to the original ascending line and the original descending line through which the train passes;
and 4, step 4: building a third new platform and a second new platform in a south field according to a plan, building a south field channel, at least two new south field lines and necessary facilities for passing of personnel and trains between the second new platform and the third new platform, dialing and connecting the two new south field lines to respectively serve as a temporary ascending line and a temporary descending line, respectively inserting and laying new turnouts on the temporary ascending line and the temporary descending line and bringing the turnouts into interlocking, opening a straight strand on the new turnout, and fastening by closing nails;
and 5: the construction is converted into north field construction, an existing first platform and an existing second platform are removed, a first new platform is built according to a plan, north field channels, a plurality of new north field lines and necessary facilities for personnel and train passing are built between the first new platform and the second new platform, one new north field line is dialed as a permanent ascending line, new turnouts are inserted and paved and are interlocked, the new turnouts are opened to pass through straight strands, and nails are fastened;
step 6: and (3) recovering a new south field line occupied by the temporary uplink in situ, and selecting a new south field line as a permanent downlink according to the plan, thereby realizing the transformation construction of the railway station.
As a further development of the invention, in step 2, it is also possible to determine the installation position of a second new station and, if there is an overlap with the position of an existing second station, to remove part of the existing second station.
As an improved scheme of the invention, when foundation pits of a south field channel and a north field channel are excavated, a steel supporting structure is adopted to be matched with a steel plate pile or a steel pipe pile which is formed by profile steel with locking notches at the edges to serve as a supporting structure.
Has the advantages that: the invention can solve the problems of transformation and upgrading of the existing railway station, limited site and the need of ensuring the operation of the existing line, and avoids the safety risk of construction operation near a business line.
Drawings
FIG. 1 is a flow chart of the steps of the present invention;
FIG. 2 is a schematic diagram of step 1 in an embodiment of the present invention;
FIG. 3 is a schematic diagram of step 2 in an embodiment of the present invention;
FIG. 4 is a schematic diagram of step 3 in an embodiment of the present invention;
FIG. 5 is a schematic diagram of step 4.1 in an embodiment of the present invention;
FIG. 6 is a schematic representation of step 4.2 in an embodiment of the present invention;
FIG. 7 is a schematic representation of step 5.1 in an embodiment of the present invention;
FIG. 8 is a schematic representation of step 5.2 in an embodiment of the present invention;
FIG. 9 is a diagram illustrating step 6 in an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An in-situ rapid reconstruction and upgrade construction method for an existing operation railway station comprises an existing first platform, an existing second platform and an existing third platform, wherein a first north field line, a second north field line and a third north field line are arranged between the existing first platform and the existing second platform, the existing first north field line serves as a connecting line, the existing second north field line serves as an original uplink line, the existing third north field line serves as an original downlink line, and an existing fourth south field line and an existing fifth south field line are arranged between the existing second platform and the existing third platform; the construction steps are as follows:
step 1: as shown in fig. 2, the original ascending line and the original descending line are reserved, and the rain shed and the hard cross-connection touch net post are respectively arranged on the existing first platform, the existing second platform and the existing first platform and the existing second platform; the necessary facilities of the professional such as electric power, signals, communication, contact networks and the like and the original ascending line and the original descending line of the train are reserved, and the train only utilizes the reserved two original ascending lines and the original descending line to pass.
Step 2: as shown in fig. 3, in the construction in the south field, the original downlink is blocked, the curved strand line of the relevant turnout connected with the existing fourth south field line and the existing fifth south field line is removed, the original turnout is opened and straight, and the nail is closed and fastened; and (4) removing the existing fourth south field line and the existing fifth south field line after the point. In this step or step 3, the existing third platform and canopy may be removed, and a portion of the existing second platform may also be removed by determining the installation location of the second new platform if there is an overlap with the location of the existing second platform.
And step 3: as shown in fig. 4, in the construction in the north field, firstly, the original ascending line and the connecting line are blocked, the curved strand line and the front line of the turnout connected with the original ascending line and the original descending line are removed, the turnout is opened and straight, and the turnout is fastened by nail; and (4) removing the existing first north yard line and relevant connecting turnouts after the point is clicked, and removing lines among the connecting line turnouts. And the existing first north field line, the existing fourth south field line, the existing fifth south field line and facilities irrelevant to the original ascending line and the descending line of train passing are removed by using the blocking points.
Step 4, the method specifically comprises the following steps:
step 4.1: as shown in fig. 5, the original down line is blocked, and the related turnout and track panel line connected with the original down line are removed; and then the original ascending line is blocked, and the related turnout and track panel line connected with the original ascending line are removed. And then, dismantling the existing canopy and the existing second platform of the south field, constructing and constructing south field channels (four south field lower channels), simultaneously constructing a part of a third new platform, a second new platform or a second new platform according to a plan, constructing an inter-line ditch, a cable trough, a cable well and a line between the third new platform and the second new platform, and newly constructing a contact net between the third new platform and the second new platform and constructing a platform canopy.
Step 4.2: as shown in figure 6, the field transferring construction of the south and north field lines is carried out by using a large-scale blockade. Seal the intrinsic thing both sides throat district of locking point, carry out the circuit of former ascending line, former descending line simultaneously and dial and connect and insert and spread relevant switch, carry out interlocking software change, interval signal adjustment, contact net switching simultaneously, make the train that former ascending line passed through pass through new south field line newly-built (V way circuit) current, former descending line passes through the train and passes through new south field line (VI way circuit). And the VI road line is used as a temporary descending line, and the V road line is used as a temporary ascending line. And (3) blocking the temporary descending line, laying turnouts related to the temporary descending line in an inserting manner, bringing the turnouts into interlocking, opening a straight strand, and fastening the turnouts. And (4) blocking the temporary ascending line, laying turnouts related to the temporary ascending line in an inserting manner, bringing in linkage, opening a straight strand and fastening by nailing and closing.
Step 5, the method specifically comprises the following steps:
step 5.1: as shown in fig. 7, the north yard construction is performed, the existing first platform, the existing second platform, the canopy, the overhead line system and the related signal facilities are removed, the first new platform is built according to the plan, the north yard passages (four north yard underpass) and the three new north yard lines (the line i, the line ii and the line iii) are built between the first new platform and the second new platform, and the overhead line system, the signal equipment, and necessary facilities for personnel and trains to pass such as the line-to-line water ditches, the comprehensive pipe ditches and the lines between the first new platform and the second new platform are newly built at the same time.
Step 5.2: as shown in fig. 8, the temporary ascending line is blocked, the temporary ascending line is connected to the line II as a permanent ascending line, a new turnout is inserted and paved, the turnout connected with the line II is brought into interlocking, a straight strand is opened, and the nail is fastened.
Step 6: as shown in fig. 9, the v-lane line occupied by the temporary uplink is restored in situ, and the v-lane line is used as a permanent downlink, thereby realizing the reconstruction of the train station.
It should be noted that, in the present embodiment, the train station is an existing operation railway train station that needs to be modified and upgraded, and has functions and supporting facilities of a conventional train station.
In the present embodiment, the south field and the north field only indicate the positional relationship between the construction site and the line, and the positional relationship is not limited.
The blocking in the steps 1 to 6 refers to performing line blocking construction by using skylight time of the railway operation line, and the blocking time, the blocking times and the like are determined according to relevant regulations of a railway bureau.
It should be noted that the south field passage and the north field passage mentioned in steps 4 and 5 are constructed for ensuring passengers to pass by the bus, and when foundation pits of the south field passage and the north field passage are excavated, a steel support structure is adopted to cooperate with a steel sheet pile or a steel pipe pile formed by profile steel with locking notches at the edges as a supporting structure, so that the construction period of the station tunnel can be saved under the condition of ensuring the safety of the foundation pits, and the upgrading construction of station reconstruction is accelerated.
The invention utilizes transition construction to ensure normal passage of trains and passengers, can ensure business line operation while station transformation construction, realizes in-situ transformation and upgrade construction of the existing station in limited space, has small influence on surrounding environment and business line, less investment and high safety factor, and effectively saves construction period.
Although the present description is described in terms of embodiments, not every embodiment includes only a single embodiment, and such description is for clarity only, and those skilled in the art should be able to integrate the description as a whole, and the embodiments can be appropriately combined to form other embodiments as will be understood by those skilled in the art.
In the description of the present invention, it should be noted that relational terms such as first and second, and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Therefore, the above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application; all changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (3)
1. A rapid in-situ transformation and upgrading construction method for an existing operation railway station comprises an existing first platform, an existing second platform and an existing third platform, wherein at least two existing north field lines are arranged between the existing first platform and the existing second platform, and a plurality of existing south field lines are arranged between the existing second platform and the existing third platform; the construction method is characterized by comprising the following construction steps:
step 1: two existing north-field lines are reserved as an original ascending line and an original descending line respectively, and necessary facilities for trains to pass through the original ascending line and the original descending line are reserved;
step 2: constructing in a south field, dismantling an existing third platform, an existing south field line and a curved strand line of an original turnout connected with the existing south field line, opening a straight strand of the original turnout, and fastening by a nail;
and step 3: constructing in a north field, dismantling a curved strand line and a front-of-switch line of a related turnout connected with an original ascending line and an original descending line, opening a straight strand of the turnout, and fastening by closing a nail; removing other existing north field lines except the original ascending line and the original descending line and other turnouts connected with the existing north field lines, and removing facilities irrelevant to the original ascending line and the original descending line through which the train passes;
and 4, step 4: building a third new platform and a second new platform in a south field according to a plan, building a south field channel, at least two new south field lines and necessary facilities for passing of personnel and trains between the second new platform and the third new platform, dialing and connecting the two new south field lines to respectively serve as a temporary ascending line and a temporary descending line, respectively inserting and laying new turnouts on the temporary ascending line and the temporary descending line and bringing the turnouts into interlocking, opening a straight strand on the new turnout, and fastening by closing nails;
and 5: the construction is converted into north field construction, an existing first platform and an existing second platform are removed, a first new platform is built according to a plan, north field channels, a plurality of new north field lines and necessary facilities for personnel and train passing are built between the first new platform and the second new platform, one new north field line is dialed as a permanent ascending line, new turnouts are inserted and paved and are interlocked, the new turnouts are opened to pass through straight strands, and nails are fastened;
step 6: and (3) recovering a new south field line occupied by the temporary uplink in situ, and selecting a new south field line as a permanent downlink according to the plan, thereby realizing the transformation construction of the railway station.
2. The in-situ rapid reconstruction and upgrade construction method for the existing operation railway and railway station is characterized in that when foundation pits of a south field channel and a north field channel are excavated, a steel supporting structure is matched with a steel plate pile or a steel pipe pile formed by profile steel with locking notches at the edges to serve as a supporting structure.
3. The in-situ rapid reconstruction and upgrade construction method for an existing operating railway station as claimed in claim 1, wherein in step 2, the installation position of the second new platform is determined, and if there is an overlap with the position of the existing second platform, part of the existing second platform is removed.
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| CN202011330667.XA CN112482809B (en) | 2020-11-24 | 2020-11-24 | In-situ rapid reconstruction and upgrade construction method for existing operation railway station |
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| CN112482809B CN112482809B (en) | 2022-05-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113585831A (en) * | 2021-09-10 | 2021-11-02 | 中铁第六勘察设计院集团有限公司 | Comprehensive logistics park based on existing railway station |
| CN115027507A (en) * | 2022-06-07 | 2022-09-09 | 中铁二院工程集团有限责任公司 | Railway line structure additionally arranged in existing railway land boundary and train running method |
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2020
- 2020-11-24 CN CN202011330667.XA patent/CN112482809B/en active Active
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| US3889603A (en) * | 1973-08-20 | 1975-06-17 | Japan National Railway | Double loop track system for railway freightyard and freight station |
| CN206938741U (en) * | 2017-06-26 | 2018-01-30 | 中铁第四勘察设计院集团有限公司 | A kind of line arrangement structure of two rail lines transfer of built by separate periods |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115027507A (en) * | 2022-06-07 | 2022-09-09 | 中铁二院工程集团有限责任公司 | Railway line structure additionally arranged in existing railway land boundary and train running method |
| CN115027507B (en) * | 2022-06-07 | 2024-05-28 | 中铁二院工程集团有限责任公司 | Railway line structure additionally arranged in boundary of existing railway land and train running method |
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| CN112482809B (en) | 2022-05-17 |
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