CN104631219B - Construction method for changing integral track bed into floating slab track bed in subway operation line tunnel - Google Patents
Construction method for changing integral track bed into floating slab track bed in subway operation line tunnel Download PDFInfo
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- CN104631219B CN104631219B CN201510001258.8A CN201510001258A CN104631219B CN 104631219 B CN104631219 B CN 104631219B CN 201510001258 A CN201510001258 A CN 201510001258A CN 104631219 B CN104631219 B CN 104631219B
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- 238000010276 construction Methods 0.000 title claims abstract description 28
- 238000007667 floating Methods 0.000 title claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 241001669679 Eleotris Species 0.000 claims abstract description 17
- 230000007704 transition Effects 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 6
- 239000000758 substrate Substances 0.000 claims description 13
- 239000007787 solid Substances 0.000 claims description 10
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 239000010437 gem Substances 0.000 claims description 3
- 229910001751 gemstone Inorganic materials 0.000 claims description 3
- 230000004048 modification Effects 0.000 claims description 3
- 238000012986 modification Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B19/00—Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
- E01B19/003—Means for reducing the development or propagation of noise
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention discloses a construction method for changing an integral ballast bed into a floating slab ballast bed in a subway operation line tunnel, which comprises the following construction steps: 1) the first stage is concrete breaking; 2) second-stage concrete is broken, a temporary steel sleeper transition line is installed, and the travelling crane is recovered; 3) breaking concrete in a third stage; 4) constructing the concrete on the base: 5) binding reinforcing steel bars and pouring new base quick-hardening concrete; 6) and laying the floating plates. The method has the advantages that the construction noise is low, the operation line does not stop running, the construction is safe and reliable, and the requirements of urban civilized construction, operation line transportation, operation line safety and construction work efficiency are met.
Description
Technical field
The present invention relates to solid concrete roabed transformation floating plate railway roadbed construction field, overall specifically in metro operation circuit tunnel
Railway roadbed changes floating plate ballast construction method.
Background technology
In city proper busy areas, close on residential block, shopping centre, in the process of moving it is done for reducing train
Disturb, solid concrete roabed in existing tunnel need to be abolished, transform floating plate railway roadbed as, such construction at home, still belong to the first time outward, does not have
Design, construction precedent can be used for reference.For under the conditions of not stopping transport construct, cutting mechanics lectotype selection, handling appliance research and develop and
Equipment, the methods such as interim working line interim measure all targetedly select it is ensured that smooth, safe completes improvement project.
Content of the invention
It is an object of the invention to provide solid concrete roabed changes floating plate ballast construction method in a kind of metro operation circuit tunnel,
Abolish existing solid concrete roabed, new floating plate railway roadbed of constructing, the construction method that temporary line transition is opened is efficient, quick, safe, low
Noise, recovers to open operation state it is ensured that operation is unaffected with interim twilight orbit in block point.
Technical scheme is as follows：
In metro operation circuit tunnel, solid concrete roabed changes the construction method of floating plate railway roadbed, in metro operation circuit tunnel
Block main points construction, block construction duration 4 hours, specific construction procedure is as follows：
1）First stage concrete is abolished：Sawed outside sleeper head along railway roadbed longitudinally by both sides with high frequency, low noise wall
Ditch concrete cuts, and is divided into segment with Hand saw, is cut with electric pick and Hydraulic pick, pack outward transport, and depth of cut utilizes special
Long 4.3m aluminium alloy ruler, according to tunnel radius and tunnel convergence value, collection in worksite facet apart from ruler vertical dimension and
Apart from tunnel central horizontal distance, determine depth of cut；
2）Release existing gapless track：With internal combustion rail saw, existing gapless rail is made into 25m mark rail jointed track, and
Jewel hole clamping plate connects；
3）Rope saw mounting groove cutting：Cut 25cm width rope saw mounting groove with wall sawing seam and electric pick in the middle of 3.6m plate, cut
Cut depth for first stage excision mouth concrete surface to tunnel tube wall distance；
4）Second stage concrete is abolished and interim transition：Carry out second stage using two high frequencies, low noise rope saw to mix
Solidifying soil cutting, and hang away the concrete slab of excision with cantilever crane in tunnel, sets up interim transition circuit using steel sleeper, two steel sleepers it
Between have longitudinally connected bar to connect, steel sleeper adopts buttress form, position and the elevation of steel sleeper can be adjusted flexibly, so that temporary line is reached
Design attitude, meets driving and requires；
5）Phase III concrete is abolished：Using high frequency, low noise wall saw cut substrate plain concrete, after the completion of cutting,
Abolished using high frequency, low noise Hydraulic pick and electric pick, labor cleaning after the completion of abolishing；
6）Base concrete is constructed：The scene colligation of substrate reinforcing bar, after the completion of colligation, using interpolation fibre modification Site
Fast hardening concrete pour substrate；
7）Floating plate is laid：Utilize cantilever crane handling, laying floating plate after substrate concrete reaches design strength, laying completes
Jacking floating plate reaches design requirement afterwards, and steel rail laying simultaneously adjusts and reaches design altitude, recovers circuit.
The described long 4.3m of aluminium alloy ruler, measures depth of cut.
Described wall is sawed, saw belongs to high frequency to rope, noise devices carry out concrete cutting.
Described steel sleeper adopts buttress support modes, is connected it is ensured that steel sleeper twilight orbit with connecting rod between two steel sleepers
The globality of structure.
Special jib crane is adopted, width is less than 2.6m, can pass through 150m sharp radius curve, full in described subway tunnel
Sufficient working line gauge requires.
The construction method of the present invention solve in block point efficiently, quick, safety, low noise existing solid concrete roabed
Abolish transformation and upgrade to construct for floating plate railway roadbed, do not affect operation it is ensured that work progress, operation security.
Brief description
Fig. 1 is that three stage transverse section abolished by the solid concrete roabed of the present invention.
In figure is numbered：1 excises area for the first stage, and 2 excise area for second stage, and 3 excise area for the phase III.
Specific embodiment
Change the construction method of floating plate railway roadbed referring to solid concrete roabed in accompanying drawing ferrum operating line tunnel, in metro operation circuit
Block main points construction in tunnel, block construction duration 4 hours, specific construction procedure is as follows：
1）First stage concrete is abolished：Sawed outside sleeper head along railway roadbed longitudinally by both sides with high frequency, low noise wall
Ditch concrete cuts, and is divided into fritter with Hand saw, is cut with electric pick and Hydraulic pick, pack outward transport, and depth of cut utilizes special
Long 4.3m aluminium alloy ruler, according to tunnel radius and tunnel convergence value, collection in worksite facet apart from ruler vertical dimension and
Apart from tunnel central horizontal distance, determine depth of cut；
2）Release existing gapless track：With internal combustion rail saw, existing gapless rail is made into 25m mark rail jointed track, and
Jewel hole clamping plate connects；
3）Rope saw mounting groove cutting：Cut 25cm width rope saw mounting groove with wall sawing seam and electric pick in the middle of 3.6m plate, cut
Cut depth for first stage excision mouth concrete surface to tunnel tube wall distance；
4）Second stage concrete is abolished and interim transition：Carry out second stage using two high frequencies, low noise rope saw to mix
Solidifying soil cutting, and hang away the concrete slab of excision with cantilever crane in tunnel, sets up interim transition circuit using steel sleeper, two steel sleepers it
Between have longitudinally connected bar to connect, steel sleeper adopts buttress form, position and the elevation of steel sleeper can be adjusted flexibly, so that temporary line is reached
Design attitude, meets driving and requires；
5）Phase III concrete is abolished：Using high frequency, low noise wall saw cut substrate plain concrete, after the completion of cutting,
Abolish base element concrete, labor cleaning after the completion of abolishing using high frequency, low noise Hydraulic pick and electric pick；
6）Base concrete is constructed：The scene colligation of substrate reinforcing bar, after the completion of colligation, using interpolation fibre modification Site
Fast hardening concrete pour substrate；
7）Floating plate is laid：Utilize cantilever crane handling, laying floating plate after substrate concrete reaches design strength, laying completes
Jacking floating plate reaches design requirement afterwards, and steel rail laying simultaneously adjusts and reaches design altitude, and recovers circuit.
The described long 4.3m of aluminium alloy ruler, measures depth of cut.Wall is sawed, saw belongs to high frequency to rope, noise devices are entered
Row concrete cuts.Steel sleeper adopts buttress support modes, is connected it is ensured that steel sleeper globality with connecting rod between two steel sleepers.Ground
Special jib crane is adopted, width is less than 2.6m, can pass through 150m sharp radius curve, meet working line gauge in ferrum tunnel
Require.
Claims (2)
1. in metro operation circuit tunnel, solid concrete roabed changes the construction method of floating plate railway roadbed it is characterised in that in metro operation
Block main points construction in circuit tunnel, block construction duration 4 hours, specific construction procedure is as follows：
1）First stage concrete is abolished：Sawed outside sleeper head along railway roadbed longitudinally by both sides ditch with high frequency, low noise wall
Concrete cuts, and is divided into fritter with Hand saw, is cut with electric pick and Hydraulic pick, pack outward transport, and depth of cut utilizes long 4.3m aluminum
Alloy ruler measures, and according to tunnel radius and tunnel convergence value, collection in worksite facet is apart from described long 4.3m aluminium alloy ruler
Vertical dimension and apart from tunnel central horizontal distance, determines depth of cut；
2）Release existing gapless track：With internal combustion rail saw, existing gapless rail is made into 25m mark rail jointed track, and jewel hole
Connected with clamping plate；
3）Rope saw mounting groove cutting：Dig out 25cm width rope saw mounting groove with wall sawing seam and electric pick in the middle of 3.6m plate, cutting is deep
To abolish depth identical with first stage concrete for degree；
4）Second stage concrete is abolished and interim transition：Carry out second stage concrete using two high frequencies, low noise rope saw
Cutting, and the concrete slab of excision is hung away with cantilever crane in tunnel, set up interim transition circuit using steel sleeper, have between two steel sleepers
Longitudinally connected bar connects, and steel sleeper adopts buttress supporting form, position and the elevation of steel sleeper can be adjusted flexibly, so that temporary line is reached
Design attitude, meets driving and requires；
5）Phase III concrete is abolished：Using high frequency, low noise wall saw cut substrate plain concrete, after the completion of cutting, use
Substrate plain concrete abolished by high frequency, low noise Hydraulic pick and electric pick, labor cleaning after the completion of abolishing；
6）Base concrete is constructed：The scene colligation of substrate reinforcing bar is after the completion of colligation, fast using interpolation fibre modification Site
Dry concrete pours substrate；
7）Floating plate is laid：Utilize cantilever crane handling, laying floating plate after substrate plain concrete reaches design strength, laid
After one-tenth, jacking floating plate reaches design requirement, and steel rail laying simultaneously adjusts and reaches design altitude, and recovers circuit.
2. construction method according to claim 1 it is characterised in that：The cantilever crane adopting in described subway tunnel, width
Less than 2.6m, 150m sharp radius curve can be passed through, meet working line gauge and require.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510001258.8A CN104631219B (en) | 2015-01-04 | 2015-01-04 | Construction method for changing integral track bed into floating slab track bed in subway operation line tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510001258.8A CN104631219B (en) | 2015-01-04 | 2015-01-04 | Construction method for changing integral track bed into floating slab track bed in subway operation line tunnel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104631219A CN104631219A (en) | 2015-05-20 |
| CN104631219B true CN104631219B (en) | 2017-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510001258.8A Active CN104631219B (en) | 2015-01-04 | 2015-01-04 | Construction method for changing integral track bed into floating slab track bed in subway operation line tunnel |
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| CN (1) | CN104631219B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105274911A (en) * | 2015-11-17 | 2016-01-27 | 中铁四局集团有限公司 | Construction method for cutting, chiseling, pushing, breaking and transforming existing integral ballast bed of subway |
| CN105350408A (en) * | 2015-11-17 | 2016-02-24 | 中铁四局集团有限公司 | Construction method for cutting, splitting, breaking and reforming existing integral track bed of subway |
| ES2574538B1 (en) * | 2015-12-09 | 2017-04-07 | Redalsa, S.A. | SYSTEM FOR CHANGE TO THREE RAILS IN ROADS IN PLATE OF POLIVALENT OR MONOVALENT TOUCH OF TWO RAILS AND PROCEDURE FOR SUCH SYSTEM |
| CN106014425A (en) * | 2016-06-27 | 2016-10-12 | 中交公局第三工程有限公司 | Dismounting method for metro section segments intruding into tunnel gauge |
| CN106835864B (en) * | 2017-03-17 | 2019-04-05 | 中铁三局集团有限公司 | High-speed rail non-fragment orbit repairs solid concrete roabed and cuts transportation resources |
| CN113529506A (en) * | 2021-06-02 | 2021-10-22 | 北京铁科特种工程技术有限公司 | Construction method for replacing and paving urban rail integral ballast bed |
| CN113529505A (en) * | 2021-06-02 | 2021-10-22 | 北京铁科特种工程技术有限公司 | Complete cutting equipment for ballastless track plate of urban rail |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1181201A (en) * | 1997-09-05 | 1999-03-26 | Kumagai Gumi Co Ltd | Panel of subway track slab |
| CN102108658B (en) * | 2009-12-29 | 2012-10-31 | 上海市城市建设设计研究院 | Construction method for modifying conventional structural slab into subway bed foundation |
| CN103603241B (en) * | 2013-07-26 | 2016-08-10 | 北京九州一轨隔振技术有限公司 | Floating vibration isolation structure of track system |
| CN104233910A (en) * | 2014-10-09 | 2014-12-24 | 徐州徐工铁路装备有限公司 | Cable saw cutting control system and cable saw cutting device |
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| CN104631219A (en) | 2015-05-20 |
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| CB03 | Change of inventor or designer information |
Inventor after: Yin Yesuo Inventor after: Jia Bingyi Inventor after: He Xianjun Inventor after: Zhou Denghui Inventor after: Duan Qinan Inventor after: Wang Wei Inventor after: Shi Haifeng Inventor after: Zhu Yanxin Inventor before: Yin Yesuo Inventor before: Jia Bingyi Inventor before: Zhou Denghui Inventor before: Duan Qinan Inventor before: Wang Wei Inventor before: Shi Haifeng Inventor before: Zhu Yanxin |
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