CN105908579A - Railway track foundation online reinforcing method - Google Patents
Railway track foundation online reinforcing method Download PDFInfo
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- CN105908579A CN105908579A CN201610269264.6A CN201610269264A CN105908579A CN 105908579 A CN105908579 A CN 105908579A CN 201610269264 A CN201610269264 A CN 201610269264A CN 105908579 A CN105908579 A CN 105908579A
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- Prior art keywords
- rail
- reinforced
- reinforcement
- sleeper
- strengthening
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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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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention relates to a railway track foundation online reinforcing method, comprising: firstly, excavating foundation pits on both sides of to-be-reinforced tracks, backfilling crushed stone and punning, and leveling, so that the elevation of the backfilled crushed stone is the same with that of base foundations of to-be-reinforced track sleepers; then, leveling the base foundation planes between the to-be-reinforced track sleepers, passing precast strengthening sleepers through the lower pats of the to-be-reinforced tracks, and aligning the strengthening sleepers, so that the upper surfaces of the strengthening sleepers make close contact with the bottom faces of the to-be-reinforced tracks, and the two ends of the strengthening sleepers extend to the two sides of the to-be-reinforced tracks; and finally, arranging a left strengthening track, a right strengthening track and a middle strengthening track on the left, right and middle of the to-be-reinforced tracks, and fixedly connecting the left strengthening track, the right strengthening track and the middle strengthening track with the strengthening sleepers, to complete the reinforcing of the track foundation. By applying the railway track foundation online reinforcing method, the railway track foundation can be reinforced online, the disruption of railway transportation is not caused during the period of construction, the normal railway transportation is not affected, the hidden trouble of railway foundation collapse is eliminated, and production and stable operation are guaranteed.
Description
Technical field
The present invention relates to a kind of track foundation reinforcement means, particularly relate to the online reinforcement means in a kind of railroad track basis.
Background technology
Rail increases and the contact area on basis by being arranged on sleeper, reduces the vehicle pressure to basis, thus reaches orbitally stable and support the effect of haulage vehicle.Along with underground construction is day by day frequent, the loss of subsoil water, railroad track basis there will be partial collapse and causes traffic interruptions, even causes a serious accident time serious.Using traditional railroad track basis to repair and will interrupt railway transportation, cause unnecessary economic loss, the railway transportation that especially enterprise's on-site continuous production is stronger, interim interruption stops making production interrupt, and causes huge economic loss.
Summary of the invention
The technical problem to be solved is to provide the online reinforcement means in a kind of railroad track basis, the method can realize reinforcing track foundation online, improve stability and the bearing capacity of track foundation, it is ensured that railway transportation is unaffected, reduces unnecessary economic loss.
The technical scheme solving above-mentioned technical problem is:
The online reinforcement means in a kind of railroad track basis, employing following steps:
The first step, the both sides excavation foundations hole of rail to be reinforced and right side rail to be reinforced in left side, backfill rubble and tamp, levelling, the end foundation elevation making backfill rubble absolute altitude wooden with sleeper to be reinforced is identical；
Second step, by levelling for the end base surface between sleeper wood to be reinforced, by prefabricated sleeper of strengthening, from left side, the bottom of rail to be reinforced and right side rail to be reinforced passes, and centering reinforcement sleeper, making the upper surface of reinforcement sleeper be in close contact with the bottom surface of left side rail to be reinforced, right side rail to be reinforced, the both sides of two ends rail to be reinforced and the right side rail to be reinforced strengthening sleeper extend；
3rd step, in left side, arranged on left and right sides and the centre of rail to be reinforced and right side rail to be reinforced are respectively arranged left side and strengthen rail, right side reinforcement rail and middle reinforcement rail, left side is strengthened rail, rail is strengthened on right side and middle reinforcement rail is fixed with reinforcement sleeper and is connected, and completes the reinforcing to track foundation.
The above-mentioned online reinforcement means in a kind of railroad track basis, the length of described left side rail to be reinforced rail to be reinforced with right side is identical；Rail is strengthened in described left side, right side strengthen rail identical with the middle length strengthening rail and respectively rail to be reinforced with left side parallel；Described reinforcement sleeper is parallel with sleeper wood to be reinforced；The described first step can not damage left side rail to be reinforced and the former basis of right side rail to be reinforced during excavation foundation hole, the width of foundation pit is not less than 2 meters, length is more than or equal to the length of left side rail to be reinforced, and the former depth of foundation of degree of depth rail to be reinforced with left side or right side rail to be reinforced is identical；During described foundation pit backfill rubble, need to successively backfill and successively be compacted, it is desirable to every layer of backfill rubble thickness is less than 200 millimeters.
The above-mentioned online reinforcement means in a kind of railroad track basis, the vertical dimension strengthened between sleeper left end and left side rail to be reinforced prefabricated in described second step is not less than 1.2 meters, vertical dimension between right-hand member and right side rail to be reinforced is not less than 1.2 meters, requiring that the upper surface strengthening sleeper is in close contact with the bottom surface of left side rail to be reinforced and right side rail to be reinforced, bottom surface and surface of base contact area are not less than strengthening the 60% of sleeper base area；Strengthening rail in the middle of in described 3rd step between left side rail to be reinforced and right side rail to be reinforced on the centrage of vertical dimension, it is equal to the vertical dimension between middle reinforcement rail that rail strengthened by left side reinforcement rail to the middle vertical dimension strengthened between rail with right side；The length of reinforcement rail is more than or equal to the length of rail to be reinforced, and the bottom surface of every reinforcement rail is strengthened sleeper upper surface with each and is in close contact, and after three reinforcement rails layings, upper surface absolute altitude is less than the orbital plane absolute altitude of arbitrary rail to be reinforced.
The above-mentioned online reinforcement means in a kind of railroad track basis, strengthens rail and is connected by anchor ear is fixing with reinforcement sleeper, it is desirable on every reinforcement rail, the pretightning force of anchor ear is identical in described 3rd step.
The invention has the beneficial effects as follows:
The present invention, by widening track carrying basis, increase sleeper and basic area, increases the bearing capacity strengthening sleeper minimizing unit sleeper, thus improves the bearing strength of track foundation；Being capable of online railroad track strengthening of foundation, construction period does not results in railway transportation and interrupts, and does not affect railway normal transport, eliminates the hidden danger that railway basis subsides, it is ensured that produces stable operation, reduces unnecessary economic loss.
Accompanying drawing explanation
Fig. 1 is the top view of the present invention；
Fig. 2 is the A direction view of the present invention；
In figure, labelling is as follows: left side rail to be reinforced 1, right side rail to be reinforced 2, left side are strengthened rail 3, middle reinforcement rail 4, right side reinforcement rail 5, strengthened sleeper 6, sleeper wood 7 to be reinforced, anchor ear 8, foundation pit 9.
Detailed description of the invention
As depicted in figs. 1 and 2, the present invention uses following steps:
The first step, in the both sides excavation foundations hole 9 of the left side that length is identical rail to be reinforced 1 and right side rail to be reinforced 2, backfill rubble and tamp, levelling, make backfill rubble absolute altitude identical with the end foundation elevation of sleeper wood 7 to be reinforced；Require that excavation foundation can not damage left side rail 1 to be reinforced and the former basis of right side rail to be reinforced 2 when cheating 9, the width of foundation pit 9 is not less than 2 meters, length is more than or equal to the length of left side rail to be reinforced 1, and the former depth of foundation of degree of depth rail to be reinforced with left side 1 or right side rail to be reinforced 2 is identical；When foundation pit 9 backfills rubble, need to successively backfill and successively be compacted, it is desirable to every layer of backfill rubble thickness is less than 200 millimeters.
Second step, by levelling for the end base surface between sleeper wood 7 to be reinforced, by prefabricated sleeper 6 of strengthening, from left side, the bottom of rail 1 to be reinforced and right side rail to be reinforced 2 passes, make reinforcement sleeper 6 parallel with sleeper to be reinforced wood 7, centering strengthens sleeper 6, the upper surface of reinforcement sleeper 6 is made to be in close contact with the bottom surface of left side rail to be reinforced 1, right side rail to be reinforced 2, bottom surface and surface of base contact area are not less than strengthening the 60% of sleeper 6 base area, and the both sides of two ends rail to be reinforced 1 and the right side rail to be reinforced 2 strengthening sleeper 6 extend；Strengthening the vertical dimension between left end and the left side rail to be reinforced 1 of sleeper 6 and be not less than 1.2 meters, the vertical dimension between right-hand member and right side rail to be reinforced 2 is not less than 1.2 meters；
3rd step, in left side, the arranged on left and right sides of rail 1 to be reinforced rail to be reinforced with right side 2 and centre are respectively arranged that rail 3 is strengthened in the left side that length is identical and rail 1 to be reinforced with left side is parallel, rail 5 is strengthened on right side and middle strengthen rail 4, making middle reinforcement rail 4 on the centrage of vertical dimension between left side rail to be reinforced 1 and right side rail to be reinforced 2, it is equal to the vertical dimension between the middle vertical dimension strengthened between rail 4 with right side reinforcement rail 5 to centre reinforcement rail 4 that rail 3 is strengthened in left side；The length of reinforcement rail is in close contact with each upper surface strengthening sleeper 6 more than or equal to the length of rail to be reinforced, the bottom surface of every reinforcement rail, and after three reinforcement rails layings, upper surface absolute altitude is less than the orbital plane absolute altitude of arbitrary rail to be reinforced；Left side is strengthened rail 3, rail 5 is strengthened on right side and middle rail 4 of strengthening is connected by anchor ear 8 is fixing with reinforcement sleeper 6, it is desirable on every reinforcement rail, the pretightning force of anchor ear 8 is identical.
Fig. 1 and Fig. 2 shows, the present invention, by newly digging foundation pit 9 in track both sides to be reinforced and backfilling, tamp broken stone foundation, adds reinforcement sleeper 6, strengthens sleeper 6 and undertakes part guide rails load, alleviates the supporting power of sleeper wood 7 to be reinforced；Strengthening sleeper 6 and connect into a carrying entirety by anchor ear 8 with strengthening rail, the track capacity after reinforcing is strong, it is possible to bear bigger load.
Claims (4)
1. the online reinforcement means in railroad track basis, it is characterised in that: it uses following steps:
The first step, both sides excavation foundation hole (9) of rail to be reinforced (1) and right side rail to be reinforced (2) in left side, backfill rubble and tamp, levelling, make backfill rubble absolute altitude identical with the end foundation elevation of sleeper to be reinforced wooden (7)；
Second step, will sleeper be reinforced wood (7) between end base surface levelling, by prefabricated reinforcement sleeper (6), from left side, the bottom of rail to be reinforced (1) and right side rail to be reinforced (2) passes, and centering reinforcement sleeper (6), making the upper surface of reinforcement sleeper (6) be in close contact with the bottom surface in left side rail to be reinforced (1), right side rail to be reinforced (2), the both sides at two ends rail to be reinforced (1) and right side rail to be reinforced (2) of strengthening sleeper (6) extend；
3rd step, in left side, arranged on left and right sides and the centre of rail to be reinforced (1) and right side rail to be reinforced (2) are respectively arranged left side and strengthen rail (3), right side reinforcement rail (5) and middle reinforcement rail (4), left side is strengthened rail (3), rail (5) is strengthened on right side and middle reinforcement rail (4) is fixed with reinforcement sleeper (6) and is connected, and completes the reinforcing to track foundation.
2. the online reinforcement means in a kind of railroad track basis as claimed in claim 1, it is characterised in that: the length in described left side rail to be reinforced (1) rail to be reinforced with right side (2) is identical；Rail (3) is strengthened in described left side, rail (5) is strengthened on right side and the length of middle reinforcement rail (4) is identical and respectively rail (1) to be reinforced with left side parallel；Described reinforcement sleeper (6) is parallel with sleeper to be reinforced wood (7)；The described first step can not be damaged during excavation foundation hole (9) left side rail to be reinforced (1) and the former basis on right side rail to be reinforced (2), the width of foundation pit (9) is not less than 2 meters, length is more than or equal to the length in left side rail to be reinforced (1), and the former depth of foundation of degree of depth rail to be reinforced with left side (1) or right side rail to be reinforced (2) is identical；During described foundation pit (9) backfill rubble, need to successively backfill and successively be compacted, it is desirable to every layer of backfill rubble thickness is less than 200 millimeters.
3. the online reinforcement means in a kind of railroad track basis as claimed in claim 1 or 2, it is characterized in that: the vertical dimension between reinforcement sleeper (6) left end and left side rail to be reinforced (1) prefabricated in described second step is not less than 1.2 meters, vertical dimension between right-hand member and right side rail to be reinforced (2) is not less than 1.2 meters, requiring that the upper surface strengthening sleeper (6) is in close contact with the bottom surface in left side rail to be reinforced (1) and right side rail to be reinforced (2), bottom surface and surface of base contact area are not less than strengthening the 60% of sleeper (6) base area；Strengthening rail (4) in the middle of in described 3rd step and be positioned between left side rail to be reinforced (1) and right side rail to be reinforced (2) on the centrage of vertical dimension, the vertical dimension that rail (3) strengthens between rail (4) to centre is strengthened in left side, and arrive the vertical dimension between middle reinforcement rail (4) with right side reinforcement rail (5) equal；The length of reinforcement rail is more than or equal to the length of rail to be reinforced, and the bottom surface of every reinforcement rail is strengthened sleeper (6) upper surface with each and is in close contact, and after three reinforcement rails layings, upper surface absolute altitude is less than the orbital plane absolute altitude of arbitrary rail to be reinforced.
4. the online reinforcement means in a kind of railroad track basis as claimed in claim 1 or 2, it is characterised in that: in described 3rd step, reinforcement rail is connected by anchor ear (8) is fixing with strengthening sleeper (6), it is desirable on every reinforcement rail, the pretightning force of anchor ear (8) is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610269264.6A CN105908579A (en) | 2016-04-27 | 2016-04-27 | Railway track foundation online reinforcing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610269264.6A CN105908579A (en) | 2016-04-27 | 2016-04-27 | Railway track foundation online reinforcing method |
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| CN105908579A true CN105908579A (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610269264.6A Pending CN105908579A (en) | 2016-04-27 | 2016-04-27 | Railway track foundation online reinforcing method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106638168A (en) * | 2017-01-17 | 2017-05-10 | 马鞍山钢铁股份有限公司 | Device for treating metallurgy railroad bed defects through reinforcing and grouting and construction method |
| CN106968139A (en) * | 2017-03-09 | 2017-07-21 | 中铁十九局集团有限公司 | Construction method for railway roadbed support in jacking process of underpass railway jacking frame bridge |
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| JP2002038401A (en) * | 2000-07-24 | 2002-02-06 | Sunstar Eng Inc | Reinforcing construction method of ballast under railway track |
| CN102011351A (en) * | 2010-11-04 | 2011-04-13 | 北京首钢建设集团有限公司 | Railway reinforced construction method |
| CN102758387A (en) * | 2011-04-27 | 2012-10-31 | 中铁六局集团有限公司 | Reinforcing construction method for H-shaped steel line |
| CN103437254A (en) * | 2013-09-07 | 2013-12-11 | 中铁六局集团有限公司 | Reinforcing device for railway turnout area circuit during jacking for frame bridge |
| CN204940141U (en) * | 2015-07-31 | 2016-01-06 | 中铁六局集团有限公司 | The reinforcement system of existing line in Framed underpass bridge process |
| CN105464008A (en) * | 2016-01-12 | 2016-04-06 | 中铁第五勘察设计院集团有限公司 | Large longitudinal beam system line reinforcement construction device and method |
-
2016
- 2016-04-27 CN CN201610269264.6A patent/CN105908579A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002038401A (en) * | 2000-07-24 | 2002-02-06 | Sunstar Eng Inc | Reinforcing construction method of ballast under railway track |
| CN102011351A (en) * | 2010-11-04 | 2011-04-13 | 北京首钢建设集团有限公司 | Railway reinforced construction method |
| CN102758387A (en) * | 2011-04-27 | 2012-10-31 | 中铁六局集团有限公司 | Reinforcing construction method for H-shaped steel line |
| CN103437254A (en) * | 2013-09-07 | 2013-12-11 | 中铁六局集团有限公司 | Reinforcing device for railway turnout area circuit during jacking for frame bridge |
| CN204940141U (en) * | 2015-07-31 | 2016-01-06 | 中铁六局集团有限公司 | The reinforcement system of existing line in Framed underpass bridge process |
| CN105464008A (en) * | 2016-01-12 | 2016-04-06 | 中铁第五勘察设计院集团有限公司 | Large longitudinal beam system line reinforcement construction device and method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106638168A (en) * | 2017-01-17 | 2017-05-10 | 马鞍山钢铁股份有限公司 | Device for treating metallurgy railroad bed defects through reinforcing and grouting and construction method |
| CN106968139A (en) * | 2017-03-09 | 2017-07-21 | 中铁十九局集团有限公司 | Construction method for railway roadbed support in jacking process of underpass railway jacking frame bridge |
| CN106968139B (en) * | 2017-03-09 | 2018-08-24 | 中铁十九局集团有限公司 | Construction method for railway roadbed support in jacking process of underpass railway jacking frame bridge |
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Application publication date: 20160831 |
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