CN108166336A - A kind of I-steel in length and breadth and D beams combined system reinforce the construction method of switch area - Google Patents
A kind of I-steel in length and breadth and D beams combined system reinforce the construction method of switch area Download PDFInfo
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- CN108166336A CN108166336A CN201810028667.0A CN201810028667A CN108166336A CN 108166336 A CN108166336 A CN 108166336A CN 201810028667 A CN201810028667 A CN 201810028667A CN 108166336 A CN108166336 A CN 108166336A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2/00—General structure of permanent way
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
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- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The present invention relates to switch area jacking construction methods, specially a kind of I-steel in length and breadth and D beams combined system reinforce the construction method of switch area, this method research is not in the case where needing to change organization of driving, not needing to remove track switch equipment, circuit is reinforced between track switch, track switch is not influenced normally to position, turn to and use, and greatly ensure that the normal hauling operation in station.Using construction method of the present invention, compared with conventional construction method, switch area not only it had been applicable in and had reinforced, but also suitable for track strengthening, security and stability height.The operation of existing railway is not influenced, will not change the organization of driving of building up station, railway transportation is influenced small；The dismounting of existing equipment can be reduced, removal quantities can complete the various operating modes that conventional construction method can not be completed, and the short time is only needed to interrupt railway operation per station track, and easy to operate, construction cost is low, can be minimized the influence constructed to railway operation.
Description
Technical field
The present invention relates to switch area jacking construction method, specially a kind of I-steel in length and breadth and D beams combined system reinforce road
The construction method of Cha Qu, this method research is not in the case where needing to change organization of driving, not needing to remove track switch equipment, to road
Circuit is reinforced between trouble, is not influenced track switch and is normally positioned, turns to and use, and greatly ensure that work is normally transported at station
Industry, main points are few, do not change station organization of driving, do not need to block power failure, construction cost is low, wide adaptability with blocking for this method
The features such as.
Background technology
The construction addressing of existing railway line jacking bridge and culvert is generally selected in interval circuit, should not be in hinge station, tunnel face, track switch
Area, the position that road-bridge transition section, existing equipment is more, to tear down and reconstruct difficulty big.North and south bottle-neck section can not avoid switch area really AT STATION
When, it should first consider to avoid main line turnout, because main track transport is busy, track switch utilization rate is high, running velocity height etc..Next is examined
Worry is selected in land between track switch trouble head and trouble head and reinforces, it is impossible to be selected in jacking under entire track switch.Finally it is also contemplated that around both
There is equipment to influence situation, such as：Whether the equipment such as contact net bar, signal lamp, cable, removal difficulty are big.
Under supersevereconditions, in switch area jacking construction, common, most safe, most easy method is that dismounting is existing
Track switch equipment, is replaced with circuit, according to common line reinforcement means.But this method has to Railway Bureau, Department of Transportation
The agreement of door, and railway transportation now is all very busy, as a consequence it is hardly possible to it realizes.Another method is also intended to by railway
Office, transportation department agree to, track switch is surely solid, locking, is only opened to straight stock, needs special D types just beam, and it is big to reinforce difficulty, wind of constructing
Danger is high.
Both the above construction method influences very big, railway transportation department and equipment management list to railway transportation organization of driving
Position hardly agrees to that block will put that the time is long, and equipment replacement difficulty is big, scope of application very little, especially present hinge station,
Busy switch area is transported unlikely to realize.This poses a new construction difficult problems, are badly in need of studying a kind of new construction
Method, it is small on the driving transport influence of railway, do not change organization of driving, block main points are few, and use scope is wide, and construction cost is low,
It is safe and reliable in switch area jacking construction method.
Invention content
In order to ensure not having to remove existing equipment, do not change organization of driving, the influence to railway transportation is reduced to minimum
Degree, easy construction, at low cost, safe and reliable, a kind of I-steel in length and breadth of present invention offer and D beams combined system reinforcing track switch
The construction method in area.
The present invention adopts the following technical scheme that realization：A kind of I-steel in length and breadth and D beams combined system reinforce track switch
The construction method in area, including I-steel pair in length and breadth across with D shaped steel just beam main span reinforcement means,
Wherein just beam main span reinforcement means includes the following steps D shaped steel：
（1）First go out the axis of jacking bridge and culvert according to construction drawing surveying and locating before constructing first, contour line, support stake position, buttress stake
Position；It goes slowly Construction Support stake, buttress stake to the application of railway transportation department, using artificial digging pile pore-forming on roadbed, under merogenesis
Steel reinforcement cage is put, binds, weld in hole, using tremie placing concrete, strictly control stake top absolute altitude；
（2）According to the coordinate position of gooseneck, gooseneck is penetrated among switch tie；
（3）It is set up on the outside of existing curb and moves Liang Pingtai, 2 steel are set up respectively at distance D shaped steel just 3.5 meters of beam both ends position
Rail slideway laterally elapses D shaped steel just beam using the big coaster of standard gauge on railway, and by D shaped steel, just beam passage, will to supporting in stake
Just beam connects D shaped steel with gooseneck；
（4）Set I-steel carling that the switch tie in the range of 3 meters of goat and rail are lifted under point machine concrete switch sleeper
Get up, I-steel carling be connected on gooseneck by U-shaped double sunpenders, in order to ensure track switch normally turn to, actuating,
Turnout baseplate is set on gooseneck under point tongue；
I-steel pair includes the following steps across reinforcement means in length and breadth：
（1）On the outside of per share rail, pair is manually penetrated across longitudinal I-steel and lateral I-steel, longitudinal I-steel one end is located at branch
It supports in stake, one end is located on concrete buttress, and I-steel is connected using U-shaped pull rod in length and breadth；
（2）Pair respectively reinforces 12.5 rice noodles roads in pair according to 3-5-3 button rails after the completion of the reinforcing of I-steel in length and breadth across both ends, arrives this,
Entire reinforcement system is completed, and is formed by original roadbed railway roadbed stress check calculation pile basic stress.
The present invention is busy suitable for railway transportation, and track switch cannot remove, follow closely solid situation switch area circuit.It applies also for pushing up
In the case of containing both sides and having contact net bar, electrified column, signal lamp that cannot remove, change and move, excavate slope rate and be unsatisfactory for 1：1 is steady
Ratio of slope is determined, by extension wire reinforcing scope, so as to ensure the stability of jacking excavation slope.
Using construction method of the present invention, compared with conventional construction method, switch area not only it had been applicable in and had reinforced, but also be suitable for
Track strengthening, security and stability are high.The operation of existing railway is not influenced, will not change the organization of driving of building up station, to iron
Road transport influences small；The dismounting of existing equipment can be reduced, removal quantities can complete what conventional construction method can not be completed
Various operating modes only need the short time to interrupt railway operation per station track, and easy to operate, construction cost is low, can transport construction to railway
The influence of battalion is minimized.
Description of the drawings
Fig. 1 is the flow chart of the present invention.
Fig. 2 reinforces plan view for the present invention.
Fig. 3 reinforces front elevation for the present invention.
Fig. 4 reinforces figure for goat position.
Fig. 5 is the sectional view of Fig. 4.
In figure：Just beam, 2- goosenecks, 3- switch ties, 4- rail, the double sunpenders of 5-U types, 6- longitudinal directions I-steel, 7- are horizontal for 1-D shaped steel
To I-steel, 8- support stakes, 9- concrete buttress, 10- I-steel carlings, 11- goats, 12- rail tracks.
Specific embodiment
Claimed technical solution is illustrated with reference to attached drawing.
1st, gooseneck and traversing D shaped steel just beam manually are worn
Due to being not need to upright concrete switch sleeper in switch area, upright and adjustment sleeper spacing, direct basis can not be shifted to an earlier date
The coordinate position of gooseneck penetrates gooseneck 2 among switch tie.Using artificial traversing D shaped steel just beam 1, in advance in existing curb
Outside, which is set up, moves Liang Pingtai, moves Liang Pingtai and has to securely, highly high no more than rail top mark；At distance D shaped steel just beam both ends
2 rail slideways are set up in 3.5 meters of positions respectively, and D shaped steel just beam 1 is laterally elapsed using the big coaster of standard gauge on railway；Into
A piece of beam during beam among advanced station track first goes out the beam in outside when going out beam, in order to reduce traversing distance, reduce vertical skylight
Main points are blocked, preferably distinguish traversing D shaped steel just beam from circuit both sides.Traverse beam process middle slideway must set up level, direction
Perpendicular to circuit, two slideway personnel are evenly distributed, and the division of labor is clear and definite, accepts unified command.
2nd, track strengthening
Totally according to main span D shaped steel just beam is first reinforced, then reinforce both ends pair across steel I-beam in length and breadth, finally rail is detained according to 3-5-3
The sequence of hardened link carries out track strengthening.Since the limitation of 11 position of point machine cannot penetrate gooseneck 2 when reinforcing main span,
It needs to lift the switch tie 3 in the range of 3 meters of goat and rail 4 in the setting I-steel of concrete switch sleeper 3 times carlings 10, lead to
High-strength U-shaped double sunpenders 5 are crossed to be connected on 4 goosenecks 2.In order to ensure track switch normally turn to, actuating, under point tongue
Setting customization slide plate on gooseneck, the installation of slide plate have to pass through the confirmation of electric business, station, work business.Main span privileged sites
All connection equipment reexamine one time and fastening one time after reinforcing, it is ensured that indeformable under train operation, be not subjected to displacement.
Main span confirm all reinforce in place after, reinforce both ends in length and breadth I-steel pair across；Pair is first manually penetrated across longitudinal I-steel 6, it is per share
2 I 45C I-steel on the outside of rail, longitudinal direction is 4.5 meters long, and lateral I-steel 7 uses 9 I 40C I-steel, laterally 5 meters long, longitudinal direction
I-steel one end be located at support stake 8 on, one end is located on concrete buttress 9, lateral I-steel 7 be supported on longitudinal I-steel and
Rail is used to support, I-steel locally has contact net bar, semaphore to be indulged when influences using 2 high-strength U-shaped pull rod connections in length and breadth
Horizontal I-steel can be adjusted according to field condition.Pair across I-steel in length and breadth reinforcing after the completion of according to 3-5-3 button rail pair across
Both ends respectively reinforce 12.5 rice noodles roads, and button rail selects the waste and old steel rail of a model lower than institute's hardened link rail, generally below both
There is rail level 15-20mm, rail end is arranged to shuttle head with reference to guard rail form.This is arrived, entire reinforcement system is completed, and is formed by original
Roadbed railway roadbed stress check calculation pile basic stress, rigid railway roadbed can be carried out excavating top after equipment unit is inspected for acceptance
Into construction.
Claims (1)
1. a kind of I-steel in length and breadth and D beams combined system reinforce the construction method of switch area, it is characterised in that including I-shaped in length and breadth
Steel and D shaped steel just beam main span reinforcement means,
Wherein just beam main span reinforcement means includes the following steps D shaped steel：
（1）First go out the axis of jacking bridge and culvert according to construction drawing surveying and locating before constructing first, contour line, support stake position, buttress stake
Position；It goes slowly Construction Support stake, buttress stake to the application of railway transportation department, using artificial digging pile pore-forming on roadbed, under merogenesis
Steel reinforcement cage is put, binds, weld in hole, using tremie placing concrete, strictly control stake top absolute altitude；
（2）According to the coordinate position of gooseneck, gooseneck is penetrated among switch tie；
（3）It is set up on the outside of existing curb and moves Liang Pingtai, 2 steel are set up respectively at distance D shaped steel just 3.5 meters of beam both ends position
Rail slideway laterally elapses D shaped steel just beam using the big coaster of standard gauge on railway, and by D shaped steel, just beam passage, will to supporting in stake
Just beam connects D shaped steel with gooseneck；
（4）Set I-steel carling that the switch tie in the range of 3 meters of goat and rail are lifted under point machine concrete switch sleeper
Get up, I-steel carling be connected on gooseneck by U-shaped double sunpenders, in order to ensure track switch normally turn to, actuating,
Setting customization slide plate on gooseneck under point tongue；
I-steel pair includes the following steps across reinforcement means in length and breadth：
（1）On the outside of per share rail, pair is manually penetrated across longitudinal I-steel and lateral I-steel, longitudinal I-steel one end is located at branch
It supports in stake, one end is located on concrete buttress, and I-steel is connected using U-shaped pull rod in length and breadth；
（2）Pair respectively reinforces 12.5 rice noodles roads in pair according to 3-5-3 button rails after the completion of the reinforcing of I-steel in length and breadth across both ends, arrives this,
Entire reinforcement system is completed, and is formed by original roadbed railway roadbed stress check calculation pile basic stress.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810028667.0A CN108166336A (en) | 2018-01-12 | 2018-01-12 | A kind of I-steel in length and breadth and D beams combined system reinforce the construction method of switch area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810028667.0A CN108166336A (en) | 2018-01-12 | 2018-01-12 | A kind of I-steel in length and breadth and D beams combined system reinforce the construction method of switch area |
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| CN108166336A true CN108166336A (en) | 2018-06-15 |
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| CN201810028667.0A Pending CN108166336A (en) | 2018-01-12 | 2018-01-12 | A kind of I-steel in length and breadth and D beams combined system reinforce the construction method of switch area |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110593030A (en) * | 2019-09-12 | 2019-12-20 | 中铁二局第二工程有限公司 | Line turnout area reinforcing system for D-shaped beam frame |
| CN111576111A (en) * | 2020-05-29 | 2020-08-25 | 中铁六局集团有限公司 | Frame bridge jacking railway turnout reinforcement construction method |
| CN112878216A (en) * | 2020-11-30 | 2021-06-01 | 中国十七冶集团有限公司 | Suspension type railway underpass box culvert jacking track reinforcing method |
| CN113652902A (en) * | 2021-08-13 | 2021-11-16 | 中铁第五勘察设计院集团有限公司 | Reinforced structure in railway switch area and frame bridge structure of existing railway of lower cross |
| CN114922015A (en) * | 2022-06-09 | 2022-08-19 | 中国铁路太原局集团有限公司 | D-shaped temporary beam assembly and line local reinforcement construction method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110593030A (en) * | 2019-09-12 | 2019-12-20 | 中铁二局第二工程有限公司 | Line turnout area reinforcing system for D-shaped beam frame |
| CN111576111A (en) * | 2020-05-29 | 2020-08-25 | 中铁六局集团有限公司 | Frame bridge jacking railway turnout reinforcement construction method |
| CN112878216A (en) * | 2020-11-30 | 2021-06-01 | 中国十七冶集团有限公司 | Suspension type railway underpass box culvert jacking track reinforcing method |
| CN113652902A (en) * | 2021-08-13 | 2021-11-16 | 中铁第五勘察设计院集团有限公司 | Reinforced structure in railway switch area and frame bridge structure of existing railway of lower cross |
| CN114922015A (en) * | 2022-06-09 | 2022-08-19 | 中国铁路太原局集团有限公司 | D-shaped temporary beam assembly and line local reinforcement construction method |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180615 |