CN104775340B - Block type ballastless track two-wire construction technology is flexibly supported in tunnel - Google Patents
Block type ballastless track two-wire construction technology is flexibly supported in tunnel Download PDFInfo
- Publication number
- CN104775340B CN104775340B CN201510130082.6A CN201510130082A CN104775340B CN 104775340 B CN104775340 B CN 104775340B CN 201510130082 A CN201510130082 A CN 201510130082A CN 104775340 B CN104775340 B CN 104775340B
- Authority
- CN
- China
- Prior art keywords
- track
- section
- concrete
- construction
- tunnel
- Prior art date
- 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.)
- Expired - Fee Related
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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
-
- 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
- E01B29/02—Transporting, laying, removing, or renewing lengths of assembled track, assembled switches, or assembled crossings
-
- 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
- E01B2204/06—Height or lateral adjustment means or positioning means for slabs, sleepers or rails
-
- 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
- E01B2204/09—Ballastless systems
-
- 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
Abstract
Flexibly supporting block type ballastless track two-wire construction technology in tunnel, its technological process is as follows: preparation of construction；Railway roadbed baseplate reinforcing bar is installed；The section of track assembles；The section of track is laid；Top bars is installed；Coarse adjustment；Reinforcing steel bar insulating is tested；Model sheetinstallat；Accurate adjustment；Concreting；Concrete-face closure；The dismounting of track framed bent and accessory cleaning；Railway roadbed concrete curing, described subsiding crack uses polyethylene sheet material or plastic foamboard, uses asphalt cement to seal on surface.The curing period of described railway roadbed concrete, is no less than 14 days.Flexibly supporting block type ballastless track two-wire construction technology in tunnel, reached to optimize allocation of resources and the purpose of accelerating construction progress, construction quality and the progress of non-fragment orbit are all ensured, it is simple to sequencing, standardized operation and management.
Description
Technical field
The present invention relates to the construction technology of a kind of non-fragment orbit, in being specifically related to tunnel, flexibly support block type ballastless
The two-wire construction technology of track.
Background technology
Along with developing rapidly of construction of railways technology, non-fragment orbit is more and more used for track engineering, so
And in double-coil output, Construction of Ballastless Track is limited by scope of operation narrow space, total logistics cost difficulty
Practical situation impact, each work surface can only progressively push ahead, and construction arranges unreasonable, great shadow
Ring to construction speed.
Summary of the invention
Flexibly support block type ballastless track two-wire construction technology in the invention provides a kind of tunnel, reached excellent
Change resource distribution and the purpose of accelerating construction progress.
The technical scheme is that
Flexibly support block type ballastless track two-wire construction technology in tunnel, use section of track framework method to construct,
By the material-flow method of little flowing water section two-wire propelling construction, the alternately construction of left and right line solid concrete roabed framing, it is possible to
Effective guarantee construction speed and quality；
Its technological process is as follows:
The first step, preparation of construction, specifically include that construction equipment prepares, measurement prepares, cast concrete base is tested
Receipts, tunnel subsidence assessment, raw material preparation, mix Design, workmen pre-job training with
And other technical preparation；
Second step, installs railway roadbed baseplate reinforcing bar, first constructs pre-buried L-type reinforcing bar and lays concrete cover
Cushion block, then assembling reinforcement；
3rd step, the section of track assembles, and first carries out cloth pillow, utilizes and dissipates pillow device or manually lay sleeper, by bolster
Being uniformly scattered onto in the bolster groove on section of track assembly platform, manually carry out horizontal intense adjustment, next is detained
Part is installed, and finally carries out section of track inspection, carries out inspection and the local directed complete set of sleeper pitch, it is ensured that sleeper pitch
And supporting course baste position meets design requirement；
4th step, the section of track is laid, and uses straddle truck to move slowly at the section of track, and cooperation manually adjusts in place, right
Center line and elevation coarse localization, error control is at elevation-10～0mm, center line ± 10mm.Adjacent section of track chien shih
Connecting with clamping plate, 4 set bolts installed by every joint, tentatively tighten, and rail gap stays 6～10mm；
5th step, installs top bars, first lays transverse steel, then installs laying longitudinal reinforcement after edge insulator,
Stirrup and bearing rod are installed, at vertically and horizontally reinforcing bar infall and longitudinal reinforcement lap-joint, edge insulator are set and with moulding
Material strip colligation is firm, cuts off unnecessary plastic tape after colligation；
6th step, coarse adjustment, carry out section of track elevation adjustment and section of track center line and adjust, by construction line with hang vertical
Ball repeatedly adjusts until framed bent center line and line midline error, within elevation-5～-2mm, center line ± 5mm；
7th step, reinforcing steel bar insulating test, road bed board is divided into a ground unit at the most no more than 100m,
First pass through visual inspection and often locate the overlap joint contact situation of reinforcing bar, then measure further with hand megameter
Insulation data between reinforcing bar；
8th step, model sheetinstallat, first carry out templates for expansion joints installation, before installation, should first check that template is smooth
Degree, template clean situation, releasing agent brushing situation, then carry out vertical framework installation, described vertical framework
Use small combined template, manually install, finally carry out expansion joint setting, at hole particular range
Inside it is placed equidistant subsiding crack, remaining location continuous placing, at tunnel subsidence seam, expansion joint is set；
9th step, accurate adjustment, carry out with operation instruction according to the measurement of ballastless track fine adjustment dolly, manual adjustment spiral shell
Bolt adjuster realizes being accurately positioned of track；
Tenth step, concreting, before casting concrete, side form uses releasing agent brushing uniform, with height
Setting-out rifle is to inverted arch and bolster surface sprinkling moistening, and uses Special protecting hood protection rail and sleeper not to be mixed
Solidifying soil pollutes, and concreting is carried out, for ensureing concrete dense under sleeper by unidirectional continuously extruded rail mode of crossing
Real, take secondary vibration to strengthen closely knit measure before concrete initial set；
11st step, concrete-face closure, operation sequence is: self-control darby stand material → wooden float slightly flat → steel is smeared
Sub-pressure head is all over → the second time press polish → three time press polish；
12nd step, the dismounting of track framed bent and accessory cleaning, first order rotation rise stud supporting leg, then pine
Open rail clip, according to removing orderly release framed bent, dismantle template, eventually pass confirmation fastener and all unclamp
After, straddle truck sling framed bent be transported to the section of track assemble district cleaning stand-by；
13rd step, railway roadbed concrete curing, after railway roadbed concrete final set, use aerosol apparatus to spray
Maintenance, and cover geotextiles, plastic sheeting and cotton-wadded quilt in time and be suitably incubated watering maintenance.
Described subsiding crack uses polyethylene sheet material, uses asphalt cement to seal on surface.
The curing period of described railway roadbed concrete, is no less than 14 days.
What the present invention realized has the beneficial effect that
Flexibly support block type ballastless track two-wire construction technology in tunnel, reached to optimize allocation of resources and accelerate
The purpose of construction speed, construction quality and the progress of non-fragment orbit are all ensured, it is simple to sequencing, rule
Generalized operation and management.
Detailed description of the invention
Flexibly supporting block type ballastless track two-wire construction technology in tunnel, its technological process is as follows:
The first step, preparation of construction, specifically include that construction equipment prepares, measurement prepares, cast concrete base is tested
Receipts, tunnel subsidence assessment, raw material preparation, mix Design, workmen pre-job training with
And other technical preparation；
Second step, installs railway roadbed baseplate reinforcing bar, first constructs pre-buried L-type reinforcing bar and lays concrete cover
Cushion block, then assembling reinforcement；
3rd step, the section of track assembles, and first carries out cloth pillow, utilizes and dissipates pillow device or manually lay sleeper, by bolster
Being uniformly scattered onto in the bolster groove on section of track assembly platform, manually carry out horizontal intense adjustment, next is detained
Part is installed, and finally carries out section of track inspection, carries out inspection and the local directed complete set of sleeper pitch, it is ensured that sleeper pitch
And supporting course baste position meets design requirement；
4th step, the section of track is laid, and uses straddle truck to move slowly at the section of track, and cooperation manually adjusts in place, right
Center line and elevation coarse localization, error control is at elevation-10～0mm, center line ± 10mm.Adjacent section of track chien shih
Connecting with clamping plate, 4 set bolts installed by every joint, tentatively tighten, and rail gap stays 6～10mm；
5th step, installs top bars, first lays transverse steel, then installs laying longitudinal reinforcement after edge insulator,
Stirrup and bearing rod are installed, at vertically and horizontally reinforcing bar infall and longitudinal reinforcement lap-joint, edge insulator are set and with moulding
Material strip colligation is firm, cuts off unnecessary plastic tape after colligation；
6th step, coarse adjustment, carry out section of track elevation adjustment and section of track center line and adjust, by construction line with hang vertical
Ball repeatedly adjusts until framed bent center line and line midline error, within elevation-5～-2mm, center line ± 5mm；
7th step, reinforcing steel bar insulating test, road bed board is divided into a ground unit at the most no more than 100m,
First pass through visual inspection and often locate the overlap joint contact situation of reinforcing bar, then measure further with hand megameter
Insulation data between reinforcing bar；
8th step, model sheetinstallat, first carry out templates for expansion joints installation, before installation, should first check that template is smooth
Degree, template clean situation, releasing agent brushing situation, then carry out vertical framework installation, described vertical framework
Use small combined template, manually install, finally carry out expansion joint setting, at hole particular range
Inside it is placed equidistant subsiding crack, remaining location continuous placing, at tunnel subsidence seam, expansion joint is set；
9th step, accurate adjustment, carry out with operation instruction according to the measurement of ballastless track fine adjustment dolly, manual adjustment spiral shell
Bolt adjuster realizes being accurately positioned of track；
Tenth step, concreting, before casting concrete, side form uses releasing agent brushing uniform, with height
Setting-out rifle is to inverted arch and bolster surface sprinkling moistening, and uses Special protecting hood protection rail and sleeper not to be mixed
Solidifying soil pollutes, and concreting is carried out, for ensureing concrete dense under sleeper by unidirectional continuously extruded rail mode of crossing
Real, take secondary vibration to strengthen closely knit measure before concrete initial set；
11st step, concrete-face closure, operation sequence is: self-control darby stand material → wooden float slightly flat → steel is smeared
Sub-pressure head is all over → the second time press polish → three time press polish；
12nd step, the dismounting of track framed bent and accessory cleaning, first order rotation rise stud supporting leg, then pine
Open rail clip, according to removing orderly release framed bent, dismantle template, eventually pass confirmation fastener and all unclamp
After, straddle truck sling framed bent be transported to the section of track assemble district cleaning stand-by；
13rd step, railway roadbed concrete curing, after railway roadbed concrete final set, use aerosol apparatus to spray
Maintenance, and cover geotextiles, plastic sheeting and cotton-wadded quilt in time and be suitably incubated watering maintenance.
Described subsiding crack uses polyethylene sheet material, uses asphalt cement to seal on surface.
The curing period of described railway roadbed concrete, is no less than 14 days.
Claims (3)
1. flexibly support block type ballastless track two-wire construction technology in tunnel, it is characterised in that use section of track framework
Method is constructed, and by the material-flow method of little flowing water section two-wire propelling construction, left and right line solid concrete roabed framing is handed over
For construction, it is possible to effective guarantee construction speed and quality；
Technological process is as follows:
The first step, preparation of construction, specifically include that construction equipment prepares, measurement prepares, cast concrete base is tested
Receipts, tunnel subsidence assessment, raw material preparation, mix Design, workmen pre-job training with
And other technical preparation；
Second step, installs railway roadbed baseplate reinforcing bar, first constructs pre-buried L-type reinforcing bar and lays concrete cover
Cushion block, then assembling reinforcement；
3rd step, the section of track assembles, and first carries out cloth pillow, utilizes and dissipates pillow device or manually lay sleeper, by bolster
Being uniformly scattered onto in the bolster groove on section of track assembly platform, manually carry out horizontal intense adjustment, next is detained
Part is installed, and finally carries out section of track inspection, carries out inspection and the local directed complete set of sleeper pitch, it is ensured that sleeper pitch
And supporting course baste position meets design requirement；
4th step, the section of track is laid, and uses straddle truck to move slowly at the section of track, and cooperation manually adjusts in place, right
Center line and elevation coarse localization, error control is at elevation-10～0mm, center line ± 10mm, adjacent section of track chien shih
Connecting with clamping plate, 4 set bolts installed by every joint, tentatively tighten, and rail gap stays 6～10mm；
5th step, installs top bars, first lays transverse steel, then installs laying longitudinal reinforcement after edge insulator,
Stirrup and bearing rod are installed, at vertically and horizontally reinforcing bar infall and longitudinal reinforcement lap-joint, edge insulator are set and with moulding
Material strip colligation is firm, cuts off unnecessary plastic tape after colligation；
6th step, coarse adjustment, carry out section of track elevation adjustment and section of track center line and adjust, by construction line with hang vertical
Ball repeatedly adjusts until framed bent center line and line midline error, within elevation-5～-2mm, center line ± 5mm；
7th step, reinforcing steel bar insulating test, road bed board is divided into a ground unit at the most no more than 100m,
First pass through visual inspection and often locate the overlap joint contact situation of reinforcing bar, then measure further with hand megameter
Insulation data between reinforcing bar；
8th step, model sheetinstallat, first carry out templates for expansion joints installation, before installation, should first check that template is smooth
Degree, template clean situation, releasing agent brushing situation, then carry out vertical framework installation, described vertical framework
Use small combined template, manually install, finally carry out expansion joint setting, at hole particular range
Inside it is placed equidistant subsiding crack, remaining location continuous placing, at tunnel subsidence seam, expansion joint is set；
9th step, accurate adjustment, carry out with operation instruction according to the measurement of ballastless track fine adjustment dolly, manual adjustment spiral shell
Bolt adjuster realizes being accurately positioned of track；
Tenth step, concreting, before casting concrete, side form uses releasing agent brushing uniform, with height
Setting-out rifle is to inverted arch and bolster surface sprinkling moistening, and uses Special protecting hood protection rail and sleeper not to be mixed
Solidifying soil pollutes, and concreting is carried out, for ensureing concrete dense under sleeper by unidirectional continuously extruded rail mode of crossing
Real, take secondary vibration to strengthen closely knit measure before concrete initial set；
11st step, concrete-face closure, operation sequence is: self-control darby stand material → wooden float slightly flat → steel is smeared
Sub-pressure head is all over → the second time press polish → three time press polish；
12nd step, the dismounting of track framed bent and accessory cleaning, first order rotation rise stud supporting leg, then pine
Open rail clip, according to removing orderly release framed bent, dismantle template, eventually pass confirmation fastener and all unclamp
After, straddle truck sling framed bent be transported to the section of track assemble district cleaning stand-by；
13rd step, railway roadbed concrete curing, after railway roadbed concrete final set, use aerosol apparatus to spray
Maintenance, and cover geotextiles, plastic sheeting and cotton-wadded quilt in time and be suitably incubated watering maintenance.
Block type ballastless track two-wire construction technology is flexibly supported in tunnel the most according to claim 1, its
Being characterised by, described subsiding crack uses polyethylene sheet material, uses asphalt cement to seal on surface.
Block type ballastless track two-wire construction technology is flexibly supported in tunnel the most according to claim 1, its
Being characterised by, the curing period of described railway roadbed concrete, is no less than 14 days.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510130082.6A CN104775340B (en) | 2015-03-24 | 2015-03-24 | Block type ballastless track two-wire construction technology is flexibly supported in tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510130082.6A CN104775340B (en) | 2015-03-24 | 2015-03-24 | Block type ballastless track two-wire construction technology is flexibly supported in tunnel |
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| Publication Number | Publication Date |
|---|---|
| CN104775340A CN104775340A (en) | 2015-07-15 |
| CN104775340B true CN104775340B (en) | 2016-09-14 |
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| CN201510130082.6A Expired - Fee Related CN104775340B (en) | 2015-03-24 | 2015-03-24 | Block type ballastless track two-wire construction technology is flexibly supported in tunnel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109595001B (en) * | 2018-11-27 | 2020-09-11 | 中铁十一局集团第五工程有限公司 | Inverted arch double-channel logistics construction method |
| CN111794018A (en) * | 2020-07-15 | 2020-10-20 | 中铁九局集团第六工程有限公司 | Construction method of ballastless track with replaceable supporting blocks by tunnel sleeve shoe method |
| CN112900161A (en) * | 2021-01-27 | 2021-06-04 | 中铁十二局集团有限公司 | Construction method of integral track bed of boot-type elastic supporting block of tunnel |
| CN113026435B (en) * | 2021-03-12 | 2023-02-24 | 中铁二十三局集团轨道交通工程有限公司 | Subway shield interval plate type ballastless track construction method |
| CN113338093B (en) * | 2021-08-06 | 2021-10-22 | 中国土木工程集团有限公司 | Method for rebuilding and expanding existing railway and newly-built railway of port area freight yard in conflict |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07309231A (en) * | 1994-05-10 | 1995-11-28 | Franz Plasser Bahnbaumas Ind Gmbh | Track skeleton transportation device |
| CN101812819A (en) * | 2010-04-28 | 2010-08-25 | 中铁二十局集团有限公司 | Whole construction process for double block type ballastless track |
| CN202000226U (en) * | 2011-04-14 | 2011-10-05 | 中铁十二局集团有限公司 | Pouring device for concrete slabs on railway double-slab ballastless track bed |
| CN104264546A (en) * | 2014-09-11 | 2015-01-07 | 中铁六局集团呼和浩特铁路建设有限公司 | Fine adjustment method of double-block type ballastless track construction track panel |
| CN104313957A (en) * | 2014-09-26 | 2015-01-28 | 中铁三局集团有限公司 | Novel double-block type track panel coarse adjustment method |
-
2015
- 2015-03-24 CN CN201510130082.6A patent/CN104775340B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07309231A (en) * | 1994-05-10 | 1995-11-28 | Franz Plasser Bahnbaumas Ind Gmbh | Track skeleton transportation device |
| CN101812819A (en) * | 2010-04-28 | 2010-08-25 | 中铁二十局集团有限公司 | Whole construction process for double block type ballastless track |
| CN202000226U (en) * | 2011-04-14 | 2011-10-05 | 中铁十二局集团有限公司 | Pouring device for concrete slabs on railway double-slab ballastless track bed |
| CN104264546A (en) * | 2014-09-11 | 2015-01-07 | 中铁六局集团呼和浩特铁路建设有限公司 | Fine adjustment method of double-block type ballastless track construction track panel |
| CN104313957A (en) * | 2014-09-26 | 2015-01-28 | 中铁三局集团有限公司 | Novel double-block type track panel coarse adjustment method |
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| Publication number | Publication date |
|---|---|
| CN104775340A (en) | 2015-07-15 |
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