CN104264543A - Method for constructing small-radius curve ballastless track - Google Patents
Method for constructing small-radius curve ballastless track Download PDFInfo
- Publication number
- CN104264543A CN104264543A CN201410461657.8A CN201410461657A CN104264543A CN 104264543 A CN104264543 A CN 104264543A CN 201410461657 A CN201410461657 A CN 201410461657A CN 104264543 A CN104264543 A CN 104264543A
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- China
- Prior art keywords
- rail
- track
- adjuster
- adjustment
- benchmark
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
- E01B29/005—Making of concrete parts of the track in situ
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
- E01B29/16—Transporting, laying, removing, or replacing rails; Moving rails placed on sleepers in the track
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B35/00—Applications of measuring apparatus or devices for track-building purposes
- E01B35/02—Applications of measuring apparatus or devices for track-building purposes for spacing, for cross levelling; for laying-out curves
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2204/00—Characteristics of the track and its foundations
- E01B2204/10—Making longitudinal or transverse sleepers or slabs in situ or embedding them
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention discloses a method for constructing a small-radius curve ballastless track. The method comprises the steps of construction preparation, working face cleaning, measuring paying off, reinforced banding, multifunctional track adjuster erecting, benchmark track erecting and adjusting, servo rail erecting and adjusting, sleeper fastener suspending, formwork erecting, a track panel fine adjusting and locking, concrete casting, concrete curing, and multifunctional track adjuster and formwork dismounting. The method is used for constructing the small-radius curve ballastless track of an urban railway system, and capable of achieving small-radius non-track construction in the field of the urban railway system, and the minimum construction curve radius can reach 100 m.
Description
Technical field
The present invention relates to a kind of Construction of Urban Rail Traffic technology, particularly relate to a kind of construction method of sharp radius curve non-fragment orbit.
Background technology
At present, urban track traffic many employings plain type rail brace frame carries out Construction of Ballastless Track, and support frame structure is simple, and rigidity is poor, is easily out of shape, and affects subsequent construction.Carry out scene after particularly curved section construction needs first to be assembled into the curve section of track to lay, construction is complicated, and precision not easily ensures.
Summary of the invention
The object of this invention is to provide the construction method of a kind of easy construction, sharp radius curve non-fragment orbit that precision is high.
The object of the invention is to be achieved through the following technical solutions:
The construction method of sharp radius curve non-fragment orbit of the present invention, comprises step:
Preparation of construction;
The scope of operation is cleared up;
Surveying setting-out;
Reinforcing bar binding;
Multifunction railway adjuster sets up;
Benchmark rail erection adjustment;
Servo-actuated rail erection adjustment;
Sleeper fastening hangs;
Template erection;
Section of track accurate adjustment locks;
Concreting;
Concrete curing;
Multifunction railway adjuster and form removable.
As seen from the above technical solution provided by the invention, the embodiment of the present invention provides.Because the curve section of track adopts Assembling, the smoother property of curve track is good, adjusts simple and reliable, is suitable for more than non-fragment orbit smallest curve radius 100m.Solve the problems such as the adjustment of the curve section of track overall line style is difficult, trajectory accuracy is poor, the sweep scope of application is little.For the construction of urban track traffic sharp radius curve non-fragment orbit, coordinate with multifunction railway adjuster, can realize the small radius rail-free construction in field of urban rail, minimum construction curve radius can reach 100m.
Accompanying drawing explanation
The process flow diagram of the construction method of the sharp radius curve non-fragment orbit that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 a is multifunction railway adjuster erection sectional schematic diagram;
Fig. 2 b is multifunction railway adjuster erection floor map;
Fig. 3 a is benchmark rail erection adjustment sectional schematic diagram;
Fig. 3 b is benchmark rail erection adjustment floor map;
Fig. 4 a is servo-actuated rail erection adjustment sectional schematic diagram;
Fig. 4 b is servo-actuated rail erection adjustment floor map;
In figure:
1, multifunction railway adjuster, 1.1, middle bracket, 1.2, rail pallet, 1.3, draw-in groove nut, 1.4, lateral bracket, 1.5, supporting leg, 1.6, elevation stud, 1.7, rail to support, 2, benchmark rail, 3, servo-actuated rail.
Detailed description of the invention
To be described in further detail the embodiment of the present invention below.
The construction method of sharp radius curve non-fragment orbit of the present invention, its preferably detailed description of the invention be:
Comprise step:
Preparation of construction;
The scope of operation is cleared up;
Surveying setting-out;
Reinforcing bar binding;
Multifunction railway adjuster sets up;
Benchmark rail erection adjustment;
Servo-actuated rail erection adjustment;
Sleeper fastening hangs;
Template erection;
Section of track accurate adjustment locks;
Concreting;
Concrete curing;
Multifunction railway adjuster and form removable.
Described multifunction railway adjuster erection comprises:
Multifunction railway adjuster is removed after district is broken from the section of track and is transported to assembling place by transport vehicle, after being assembled into entirety, relevant position is put by orbital curve line style reference data rail reference line, supplemental support can keep multifunction railway adjuster longitudinal stability, puts between multifunction railway adjuster by prescribed distance.
Described benchmark rail erection adjustment comprises:
On rail pallet above benchmark rail reference line benchmark rail being lifted multifunction railway adjuster, draw-in groove nut is utilized to carry out rapid-assembling with the multifunction railway adjuster be well placed, use the aids such as vertical and adjustment bolt with benchmark rail reference line for benchmark, adjustment benchmark rail position, ensure rail Curve, adjust rear locking rail both sides adjustment bolt.
Described servo-actuated rail erection adjustment comprises:
Servo-actuated rail is lifted on the opposite side rail pallet of multifunction railway adjuster, draw-in groove nut and multifunction railway adjuster is utilized to carry out rapid-assembling, the aids such as use gauging rule and adjustment bolt for benchmark, adjust servo-actuated rail position, the section of track system that composition gauge is qualified with benchmark rail.
Described sleeper fastening hangs and comprises:
Rail draws sleeper installation site by design sleeper pitch, on request sleeper and fastener system is installed.
Described section of track accurate adjustment locking comprises:
Track detection car is positioned on track after establishing station to complete by regulation by total powerstation, installs prism.Use total station survey track condition measuring instrument prism;
Track detection car measures gauge, superelevation, horizontal level automatically, instructs orbit adjusting;
Track accurate adjustment adopts elevation principle after first center line, and adopt Special opening spanner to regulate left and right rail to lock, adjustment track centre, 2 people operation simultaneously is respectively joined in left and right;
With box spanner, rotary vertically, to stud, adjusts track cross level, superelevation;
Slowly to carry out during adjustment stud, rotate the elevation change 1mm of 120 °.
The construction method of sharp radius curve non-fragment orbit of the present invention, the curve section of track adopts Assembling, and the smoother property of curve track is good, adjusts simple and reliable, is suitable for more than non-fragment orbit smallest curve radius 100m.Solve the problems such as the adjustment of the curve section of track overall line style is difficult, trajectory accuracy is poor, the sweep scope of application is little.For the construction of urban track traffic sharp radius curve non-fragment orbit, coordinate with multifunction railway adjuster, can realize the small radius rail-free construction in field of urban rail, minimum construction curve radius can reach 100m.
Detailed description of the invention
Shown in Fig. 1 to Fig. 4 b, comprise step:
Preparation of construction:
Examination, the Survey control point of bridge engineering are laid and repetition measurement, concrete mix proportion experiment, the inspection and evaluation of solid concrete roabed construction conditions etc.
The scope of operation is cleared up:
For guaranteeing that solid concrete roabed concrete and bridge floor have good connection, by the contact surface dabbing of bridge floor, ponding is discharged, and uses high-pressure blast descum, dust and foreign material, ensures that New-old concrete has stronger adherence force, guarantee Monolithic Track Bed Construction quality.Embedded ribs is checked one by one, by designing requirement righting, and the reinforcing bar of corrosion is eliminated rust.
Surveying setting-out:
By Survey control point every 10m measuring errant center line control point on beam face, 3 in Curve Segment track centre control point 5m arranges 1, curve terminal, point of spiral to curve, point of curve to spiral, knick point respectively establish one, with orbit centre control point for benchmark releases benchmark rail reference line, template contral sideline (line of ink marker mark), the line of ink marker is adopted to orient the position of vertical transverse reinforcement by designing requirement.
Reinforcing bar binding:
Adopt in reinforcement yard's unified allocation of materials to lower units, processing, the operating type of on-the-spot colligation welding fabrication.Vertical and horizontal reinforcing bar is fixed by the colligation of designing requirement spacing, and meets the requirement of concrete Minimal Protective thickness.
Multifunction railway adjuster sets up:
Multifunction railway adjuster is removed after district is broken from the section of track and is transported to assembling place by transport vehicle, after being assembled into entirety, relevant position is put by orbital curve line style reference data rail reference line, supplemental support can keep multifunction railway adjuster longitudinal stability, puts between multifunction railway adjuster by prescribed distance.
Benchmark rail erection adjustment:
On rail pallet above benchmark rail reference line benchmark rail being lifted multifunction railway adjuster, draw-in groove nut is utilized to carry out rapid-assembling with the multifunction railway adjuster be well placed, use the aids such as vertical and adjustment bolt with benchmark rail reference line for benchmark, adjustment benchmark rail position, ensure rail Curve, adjust rear locking rail both sides adjustment bolt.
Servo-actuated rail erection adjustment:
Servo-actuated rail is lifted on the opposite side rail pallet of multifunction railway adjuster, draw-in groove nut and multifunction railway adjuster is utilized to carry out rapid-assembling, the aids such as use gauging rule and adjustment bolt for benchmark, adjust servo-actuated rail position, the section of track system that composition gauge is qualified with benchmark rail.
Sleeper (fastener) is installed:
Rail draws sleeper installation site by design sleeper pitch, on request sleeper and fastener system is installed.
Template erection:
Check template planeness and template cleaning situation, brushing release agent.After the template determining use and decorating position, first lay by template sideline order and connect longitudinal mode plate and support, then press cross template sideline and set up cross template, after cross template adjusts position and height, longitudinal mode plate supports to place, and compresses cross template, and connects with cross template.Cross template both sides lower panels leads to concrete support block and supports on gate reinforcing bar, cross template sets up barricade inner side template and supports.
Section of track accurate adjustment locks:
Track detection car is positioned on track after establishing station to complete by regulation by total powerstation, installs prism.Use total station survey track condition measuring instrument prism.Track detection car measures gauge, superelevation, horizontal level automatically, instructs orbit adjusting.Track accurate adjustment adopts elevation principle after first center line, and adopt Special opening spanner to regulate left and right rail to lock, adjustment track centre, 2 people operation simultaneously is respectively joined in left and right.With box spanner, rotary vertically, to stud, adjusts track cross level, superelevation.Slowly to carry out during adjustment stud, rotate 120 ° for elevation change 1mm.
Concreting:
Before building railway roadbed concrete, again should detect Rail inspection, can concreting after confirming to meet acceptance criteria.Concrete adopts commercial concrete, after being transported to casting position, is directly pumped into mould by automotive pump by concrete delivery truck.For guaranteeing construction continuity and concrete construction quality, the solid concrete roabed concreting of each construction section must disposablely complete.Use poker vibrator to vibrate and strengthen bottom fastener and the making firm by ramming of surrounding concrete, need wipe one's face leveling in railway roadbed surface, spray curing compound in time.
Concrete curing:
12 ~ 18h after concreting, carry out watering maintenance process, curing time is generally no less than 7d.Railway roadbed surface should be smooth.
Rail adjuster and form removable:
Railway roadbed concrete strength removes multifunction railway adjuster and template system after reaching 5MPa; protection railway roadbed concrete surface is noted during dismounting; multifunction railway adjuster after dismounting and template are had bad luck to the dress watch of corresponding location stand-by, then enter new construction circulation.
The above; be only the present invention's preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (6)
1. a construction method for sharp radius curve non-fragment orbit, is characterized in that, comprises step:
Preparation of construction;
The scope of operation is cleared up;
Surveying setting-out;
Reinforcing bar binding;
Multifunction railway adjuster sets up;
Benchmark rail erection adjustment;
Servo-actuated rail erection adjustment;
Sleeper fastening hangs;
Template erection;
Section of track accurate adjustment locks;
Concreting;
Concrete curing;
Multifunction railway adjuster and form removable.
2. the construction method of sharp radius curve non-fragment orbit according to claim 1, is characterized in that, described multifunction railway adjuster erection comprises:
Multifunction railway adjuster is removed after district is broken from the section of track and is transported to assembling place by transport vehicle, after being assembled into entirety, relevant position is put by orbital curve line style reference data rail reference line, supplemental support can keep multifunction railway adjuster longitudinal stability, puts between multifunction railway adjuster by prescribed distance.
3. the construction method of sharp radius curve non-fragment orbit according to claim 2, is characterized in that, described benchmark rail erection adjustment comprises:
On rail pallet above benchmark rail reference line benchmark rail being lifted multifunction railway adjuster, draw-in groove nut is utilized to carry out rapid-assembling with the multifunction railway adjuster be well placed, use the aids such as vertical and adjustment bolt with benchmark rail reference line for benchmark, adjustment benchmark rail position, ensure rail Curve, adjust rear locking rail both sides adjustment bolt.
4. the construction method of sharp radius curve non-fragment orbit according to claim 3, is characterized in that, described servo-actuated rail erection adjustment comprises:
Servo-actuated rail is lifted on the opposite side rail pallet of multifunction railway adjuster, draw-in groove nut and multifunction railway adjuster is utilized to carry out rapid-assembling, the aids such as use gauging rule and adjustment bolt for benchmark, adjust servo-actuated rail position, the section of track system that composition gauge is qualified with benchmark rail.
5. the construction method of sharp radius curve non-fragment orbit according to claim 4, is characterized in that, described sleeper fastening hangs and comprises:
Rail draws sleeper installation site by design sleeper pitch, on request sleeper and fastener system is installed.
6. the construction method of sharp radius curve non-fragment orbit according to claim 5, is characterized in that, described section of track accurate adjustment locking comprises:
Track detection car is positioned on track after establishing station to complete by regulation by total powerstation, installs prism.Use total station survey track condition measuring instrument prism;
Track detection car measures gauge, superelevation, horizontal level automatically, instructs orbit adjusting;
Track accurate adjustment adopts elevation principle after first center line, and adopt Special opening spanner to regulate left and right rail to lock, adjustment track centre, 2 people operation simultaneously is respectively joined in left and right;
With box spanner, rotary vertically, to stud, adjusts track cross level, superelevation;
Slowly to carry out during adjustment stud, rotate the elevation change 1mm of 120 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410461657.8A CN104264543B (en) | 2014-09-11 | 2014-09-11 | The construction method of sharp radius curve non-fragment orbit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410461657.8A CN104264543B (en) | 2014-09-11 | 2014-09-11 | The construction method of sharp radius curve non-fragment orbit |
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| Publication Number | Publication Date |
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| CN104264543A true CN104264543A (en) | 2015-01-07 |
| CN104264543B CN104264543B (en) | 2016-08-24 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104947554A (en) * | 2015-07-02 | 2015-09-30 | 中铁上海工程局集团有限公司 | Urban railway curved section track panel preparing method |
| CN105421170A (en) * | 2015-12-09 | 2016-03-23 | 中铁建大桥工程局集团第五工程有限公司 | Ballastless track construction method based on high-integration track panel frame |
| CN105839475A (en) * | 2016-03-28 | 2016-08-10 | 中铁二十二局集团第工程有限公司 | Monolithic track bed construction method |
| CN106368089A (en) * | 2015-07-22 | 2017-02-01 | 中铁二局工程有限公司 | Construction method for small-radius curve track laying and linear control of tram |
| CN106703070A (en) * | 2016-11-17 | 2017-05-24 | 中国电建集团贵州工程公司 | Construction method of roof photovoltaic strip foundation |
| CN106758586A (en) * | 2016-12-16 | 2017-05-31 | 沈阳铁道勘察设计院有限公司 | The method that railway is reinforced on sharp radius curve and easement curve |
| RU2668767C2 (en) * | 2018-04-02 | 2018-10-02 | Александр Тихонович Зиньковский | Rail track in curves and method of its operation |
| CN110526121A (en) * | 2019-08-15 | 2019-12-03 | 中铁七局集团有限公司 | Gantry crane operation monitoring system and method when beam field is set on highway curve roadbed |
| CN111576105A (en) * | 2020-06-09 | 2020-08-25 | 中铁十七局集团第五工程有限公司 | Preset correction positioning method for cast-in-situ ballastless track bed sleeper in curve section |
| CN114737421A (en) * | 2022-05-24 | 2022-07-12 | 中铁八局集团第一工程有限公司 | Construction method of ballastless track of bridge with high sensitivity, large deformation and complex structure |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104947554B (en) * | 2015-07-02 | 2017-01-18 | 中铁上海工程局集团有限公司 | Urban railway curved section track panel preparing method |
| CN104947554A (en) * | 2015-07-02 | 2015-09-30 | 中铁上海工程局集团有限公司 | Urban railway curved section track panel preparing method |
| CN106368089A (en) * | 2015-07-22 | 2017-02-01 | 中铁二局工程有限公司 | Construction method for small-radius curve track laying and linear control of tram |
| CN105421170A (en) * | 2015-12-09 | 2016-03-23 | 中铁建大桥工程局集团第五工程有限公司 | Ballastless track construction method based on high-integration track panel frame |
| CN105839475B (en) * | 2016-03-28 | 2018-05-18 | 中铁二十二局集团第一工程有限公司 | A kind of Monolithic Track Bed Construction method |
| CN105839475A (en) * | 2016-03-28 | 2016-08-10 | 中铁二十二局集团第工程有限公司 | Monolithic track bed construction method |
| CN106703070A (en) * | 2016-11-17 | 2017-05-24 | 中国电建集团贵州工程公司 | Construction method of roof photovoltaic strip foundation |
| CN106758586A (en) * | 2016-12-16 | 2017-05-31 | 沈阳铁道勘察设计院有限公司 | The method that railway is reinforced on sharp radius curve and easement curve |
| CN106758586B (en) * | 2016-12-16 | 2018-08-31 | 沈阳铁道勘察设计院有限公司 | The method that railway is reinforced on sharp radius curve and easement curve |
| RU2668767C2 (en) * | 2018-04-02 | 2018-10-02 | Александр Тихонович Зиньковский | Rail track in curves and method of its operation |
| CN110526121A (en) * | 2019-08-15 | 2019-12-03 | 中铁七局集团有限公司 | Gantry crane operation monitoring system and method when beam field is set on highway curve roadbed |
| CN111576105A (en) * | 2020-06-09 | 2020-08-25 | 中铁十七局集团第五工程有限公司 | Preset correction positioning method for cast-in-situ ballastless track bed sleeper in curve section |
| CN114737421A (en) * | 2022-05-24 | 2022-07-12 | 中铁八局集团第一工程有限公司 | Construction method of ballastless track of bridge with high sensitivity, large deformation and complex structure |
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| CN104264543B (en) | 2016-08-24 |
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