CN105926380A - Limiting structure between terminal spine type rail bearing beam joints of single-line segment for medium-low-speed magnetic levitation traffic engineering low-arranged line - Google Patents

Limiting structure between terminal spine type rail bearing beam joints of single-line segment for medium-low-speed magnetic levitation traffic engineering low-arranged line Download PDF

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Publication number
CN105926380A
CN105926380A CN201610284864.XA CN201610284864A CN105926380A CN 105926380 A CN105926380 A CN 105926380A CN 201610284864 A CN201610284864 A CN 201610284864A CN 105926380 A CN105926380 A CN 105926380A
Authority
CN
China
Prior art keywords
support rail
rail beam
faulting
slab ends
described support
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.)
Pending
Application number
CN201610284864.XA
Other languages
Chinese (zh)
Inventor
郭建湖
姜鹰
李小和
赵新益
姚洪锡
李巍
王勇刚
杨辉建
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Railway Siyuan Survey and Design Group Co Ltd
Original Assignee
China Railway Siyuan Survey and Design Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Railway Siyuan Survey and Design Group Co Ltd filed Critical China Railway Siyuan Survey and Design Group Co Ltd
Priority to CN201610284864.XA priority Critical patent/CN105926380A/en
Publication of CN105926380A publication Critical patent/CN105926380A/en
Priority to PCT/CN2017/077468 priority patent/WO2017185917A1/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B1/00Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2/00General structure of permanent way
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B25/00Tracks for special kinds of railways
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B25/00Tracks for special kinds of railways
    • E01B25/30Tracks for magnetic suspension or levitation vehicles
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B25/00Tracks for special kinds of railways
    • E01B25/30Tracks for magnetic suspension or levitation vehicles
    • E01B25/305Rails or supporting constructions
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B3/00Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
    • E01B3/28Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone
    • E01B3/38Longitudinal sleepers; Longitudinal sleepers integral or combined with tie-rods; Combined longitudinal and transverse sleepers; Layers of concrete supporting both rails
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2204/00Characteristics of the track and its foundations
    • E01B2204/08Deep or vertical foundation
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2204/00Characteristics of the track and its foundations
    • E01B2204/09Ballastless systems

Abstract

The invention discloses a limiting structure between terminal spine type rail bearing beam joints of a single-line segment for a medium-low-speed magnetic levitation traffic engineering low-arranged line. The limiting structure comprises rail bearing beam lower roadbed stuffing, rail bearing beam under-beam cushion layers, two adjacent rail bearing beams, a vertical platform staggering preventing lap board, transverse platform staggering preventing bosses and rail bearing beam backfill stuffing. The vertical platform staggering preventing lap board is fixedly arranged on the rail bearing beam lower roadbed stuffing, and the lower end of the vertical platform staggering preventing lap board extends into the rail bearing beam lower roadbed stuffing. The platform staggering preventing reinforced concrete lap board is arranged at the position between the rail bearing beam joints, and the rail bearing beams are arranged on the same platform staggering preventing reinforced concrete lap board with certain rigidity, so that the problem of rail face irregularity caused by differential settlement of roadbeds below the rail bearing beams is effectively solved.

Description

Middle low speed magnetic suspension traffic engineering is low puts circuit single line location terminal spine formula support rail beam internode position limiting structure
Technical field
The invention belongs to that middle low speed magnetic suspension is low puts line area, more particularly, to middle low speed magnetcisuspension It is floating that traffic engineering is low puts circuit single line location support rail beam internode position limiting structure.
Background technology
Middle low speed magnetic suspension track traffic belongs to a kind of novel traffic mode, current both domestic and external studies into The most less, the circuit minority especially of operation is opened in the whole world.The most only in March, 2005, Japan built Middle low speed magnetic suspension railway comercial operation line-the East Hillside Line of opening and in June, 2014 Korea S open-minded Middle low speed magnetic suspension railway business operating line.And the middle low speed magnetic suspension traffic of China only has state at present Anti-University of Science and Technology test wire, Green City Mountain test wire, Tangshan experiment line, but do not put into effect formal Circuit, and all based on elevated structure, rarely seen about the low research put in terms of circuit support rail girder construction with Application.
In conventional general speed wheel rail railway, circuit is big to the adaptation ability of deformation, the settlement Control to roadbed Standard-required is the most loose, thus has substantial amounts of circuit to build on fill subgrade;Current rail without the tiny fragments of stone, coal, etc. Road high-speed railway, although requiring the settlement after construction of roadbed under line very strict, still has many circuits to repair It build on fill subgrade, it is desirable under line, roadbed is built by structures, there is enough intensity and resistance to deformation Ability, steady in a long-term under various natural environment.And middle low speed magnetic suspension traffic line magnetic suspension train The mode using " embracing rail to travel " is run, and the F rail of middle low speed magnetic suspension traffic line is the shortest by one Rail scene is spliced, and leaves rail break joint, wanting of the even running of magnetic suspension train F rail to be met Ask, be necessary for ensureing by line construction of putting low under rail, thus, magnetic suspension traffic circuit is to sub rail foundation Deformation controlling standards and the requirement of ride comfort higher.
In order to prevent excessive temperature stress and differential settlement, traditional support rail girder construction typically uses Often joint 10~30m arranges expansion joint, and under support rail beam, basis is by the earth structure of rock and soil constitution, is subject to The impact of the factor such as landform, geological conditions, quality is the most wayward, therefore load and various from It is easily generated differential settlement under right and various effect of natural environment, there will be unavoidably between adjacent support rails beam Inconsistent settlement after construction, causes support rail beam to produce faulting of slab ends, thus affects the ride comfort of F rail, even F rail may be caused to produce the problem such as faulting of slab ends, deformation, the normal fortune of levitation train time serious, will be affected Battalion.
Summary of the invention
For disadvantages described above or the Improvement requirement of prior art, the invention provides middle low speed magnetic suspension and hand over Logical engineering is low puts circuit single line location support rail beam internode position limiting structure, and construction quality is easier to control, for a long time Stability is more preferable.This structure should meet middle low speed magnetic suspension traffic engineering track structure and tie support rail beam Structure deformation and the high request of settlement after construction, meet bedding long-time stability, durability and construction matter again The requirement of the controllability of amount, and economy is more preferably.
For achieving the above object, it is proposed, according to the invention, provide that middle low speed magnetic suspension traffic engineering is low puts line Single line location, road support rail beam internode position limiting structure, it is characterised in that include roadbed filling under support rail beam, Support rail beam beam underlayer, two adjacent sections support rail beam, anti-vertical faulting of slab ends attachment strap, anti-horizontal faulting of slab ends boss and Support rail beam backfill filler, wherein,
Described anti-vertical faulting of slab ends attachment strap is fixedly installed on roadbed filling and its lower end under described support rail beam Stretching into roadbed filling under described support rail beam, the bottom face of described anti-vertical faulting of slab ends attachment strap is provided with multiple side Shape double wedge;
Described support rail beam beam underlayer is layed under described support rail beam on the top end face of roadbed filling;
Described two joint support rail beams are all fixedly installed on the top end face of described support rail beam beam underlayer, street of going out The longitudinal of support rail beam extends the most along the longitudinal direction, and they relative one end are all fixedly installed on described On the top end face of anti-vertical faulting of slab ends attachment strap;Often joint support rail beam all includes that support rail beam lower raft sets with fixing The support rail beam top beam body being placed on described support rail beam lower raft;Two described support rail beam lower rafts , between two described support rail beam top beam body, there is upper expansion joint in expansion joint in the presence of between;
Described anti-horizontal faulting of slab ends boss quantity is two, and the two prevents about horizontal faulting of slab ends boss two Side is arranged, and each described anti-horizontal faulting of slab ends boss is all fixedly installed on the top end face of anti-vertical faulting of slab ends attachment strap On, and each described anti-horizontal faulting of slab ends boss is separately positioned on the position corresponding to described lower expansion joint, One of them prevents that the left side of horizontal faulting of slab ends boss and two described support rail beams is fixedly connected with, and another is prevented Laterally the right side of faulting of slab ends boss and two described support rail beams is fixedly connected with, to prevent two described support rails Beam transverse shifting;
The left side of every described support rail beam and right side are respectively provided with described support rail beam backfill filler.
Preferably, described anti-between vertical faulting of slab ends attachment strap and described support rail beam, it is additionally provided with wear-resisting buffer layer.
Preferably, it is provided with expansion joint packing material at described lower expansion joint.
Preferably, the height of described anti-horizontal faulting of slab ends boss is less than the height of described support rail beam lower raft.
Preferably, the cross section of described support rail beam is "convex" shaped.
Preferably, multiple described square double wedges are along the longitudinal arrangement of described support rail beam.
In general, by the contemplated above technical scheme of the present invention compared with prior art, it is possible to Obtain following beneficial effect:
(1) the support rail beam internode position of the present invention arranges anti-faulting of slab ends armored concrete attachment strap, by support rail beam It is arranged on same to have on the armored concrete mistake proofing platen of certain rigidity, effectively prevent because of support rail The problem of the track irregularity that uneven settlement of foundation causes under beam.
(2) the support rail beam of the present invention, reinforced concrete floor, base plate underlayer and armored concrete Mistake proofing platen is combined, and can be effectively increased the vertical and horizontal stability of support rail beam, also be beneficial to operation The maintenance of period and maintenance, measure is simple, easily construction, cost save, effective.
(3) can regarding of the present invention stablizes needs, by support rail beam, internode anti-faulting of slab ends attachment strap, support rail beam Lower fill subgrade structure anchor together, increases the low stability in the large putting line construction.
Accompanying drawing explanation
Fig. 1 is the schematic cross-sectional view of the present invention;
Fig. 2 is the schematic longitudinal section of the present invention;
Fig. 3 is the schematic top plan view of the present invention.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing And embodiment, the present invention is further elaborated.Should be appreciated that described herein specifically Embodiment only in order to explain the present invention, is not intended to limit the present invention.Additionally, it is disclosed below Just may be used as long as technical characteristic involved in each embodiment of the present invention does not constitutes conflict each other To be mutually combined.
With reference to Fig. 1~Fig. 3, middle low speed magnetic suspension traffic engineering is low puts circuit single line location support rail beam internode Position limiting structure, including roadbed filling 9 under support rail beam, support rail beam beam underlayer 8, two adjacent sections support rail beam, Anti-vertical faulting of slab ends attachment strap 1, anti-horizontal faulting of slab ends boss 2 and support rail beam backfill filler 5, wherein,
Described anti-vertical faulting of slab ends attachment strap 1 is fixedly installed under described support rail beam on roadbed filling 9 and it Roadbed filling 9 under described support rail beam is stretched in lower end, and the bottom face of described anti-vertical faulting of slab ends attachment strap 1 is provided with Multiple square double wedges 10, and these square double wedges 10 are along the longitudinal arrangement of described support rail beam, thus Define terminal spine formula structure, so that anti-vertical attachment strap 1 is preferably fixed on roadbed under described support rail beam and fills out On material 9;
Described support rail beam beam underlayer 8 is layed under described support rail beam on the top end face of roadbed filling 9;
Described two joint support rail beams are all fixedly installed on the top end face of described support rail beam beam underlayer 8, often Longitudinally the extending the most along the longitudinal direction of joint support rail beam (shown in Fig. 1 for front and back to extend, Fig. 2, Fig. 3 It is illustrated that left and right extends), and they relative one end are all fixedly installed on described anti-vertical faulting of slab ends and take On the top end face of plate 1;Often joint support rail beam all includes support rail beam lower raft 7 and is fixedly installed on described Support rail beam top beam body 6 on support rail beam lower raft 7;Between two described support rail beam lower rafts 7 In the presence of expansion joint, there is upper expansion joint between two described support rail beam top beam body 6;
Described anti-horizontal faulting of slab ends boss 2 quantity is two, and the two prevents that horizontal faulting of slab ends boss 2 is left Right both sides are arranged, and each described anti-horizontal faulting of slab ends boss 2 is all fixedly installed on anti-vertical faulting of slab ends attachment strap 1 Top end face on, and each described anti-horizontal faulting of slab ends boss 2 is separately positioned on and stretches under described The position of contracting seam, one of them prevents that horizontal faulting of slab ends boss 2 is the most fixing with the left side of the two described support rail beams of joint Connecting, another prevents that horizontal faulting of slab ends boss 2 is fixedly connected with the right side of two described support rail beams, with Prevent two joints described support rail beam transverse shifting;
The left and right sides often saving described support rail beam is respectively provided with described support rail beam backfill filler 5.
Further, described anti-between vertical faulting of slab ends attachment strap 1 and described support rail beam, it is additionally provided with wear-resisting buffer Layer 3.
Further, it is provided with expansion joint packing material 4 at described lower expansion joint.
Further, the height of described anti-horizontal faulting of slab ends boss 2 is less than described support rail beam lower raft 7 Highly.
The anti-vertical faulting of slab ends attachment strap 1 of the present invention is tied up by armored concrete entirety with anti-horizontal faulting of slab ends boss 2 Bundle pours and forms, and is positioned at two support rail beam seam crossings, is arranged at support rail beam lower raft 7 and support rail beam Between beam underlayer 8.Two support rail beam base plates are overlapped on anti-vertical faulting of slab ends attachment strap 1, the two by Produce identical sedimentation and deformation in shared attachment strap at seam crossing, thus avoid the generation of vertical faulting of slab ends sedimentation. Anti-vertical faulting of slab ends attachment strap 1 both sides arrange anti-horizontal faulting of slab ends boss 2, and after the two uses reinforcing bar binding, entirety is watered Build up one, be embedded in roadbed.
This position limiting structure support rail girder construction is evenly arranged along circuit direction of advance, and support rail beam uses band base plate " convex " type section steel tendon concrete structure, folder paving armored concrete net is set under support rail beam base plate Plain concrete support rail beam underlayer 8, support rail beam internode arranges anti-faulting of slab ends armored concrete attachment strap, by support rail Beam is arranged on same and has on the concrete attachment strap of rigidity, can be prevented effectively from because of ground under support rail beam The problem of the track irregularity that differential settlement causes, support rail beam, base plate, bed course and internode are anti-simultaneously The vertically and horizontally stability that can be effectively increased structure combined by faulting of slab ends plate.
The concrete construction forming process of the present invention is as follows:
(1) smooth construction site, processes ground according to geological conditions;
(2) carry out filling and being compacted of fill subgrade structure under support rail beam, detect qualified after lay support rail Beam underlayer 8 and internode anti-faulting of slab ends attachment strap;
(3) entertaining beam-and-rail underlayer 8 and after internode anti-faulting of slab ends attachment strap reaches design strength, formwork erection waters Build the reinforced concrete floor on bed course, during pouring, lay two layers polyester by design Long filament composite polyethylene geomembrane and between base plate expansion joint filled bitumen wood wool board;
(4) after reinforced concrete floor reaches design strength, according to support rail beam size formwork erection, colligation Reinforcing bar after-pouring concrete, carries out concrete curing by design requirement;
(5) difference form removal after each parts concrete reaches design strength, then by armored concrete Bedding filler backfill in the range of base plate thickness, outward-dipping weathering is made in backfill face.
As it will be easily appreciated by one skilled in the art that and the foregoing is only presently preferred embodiments of the present invention, Not in order to limit the present invention, all made within the spirit and principles in the present invention any amendment, etc. With replacement and improvement etc., should be included within the scope of the present invention.

Claims (6)

1. in, low speed magnetic suspension traffic engineering is low puts the circuit single line location terminal spine formula support rail spacing knot of beam internode Structure, it is characterised in that include that roadbed filling under support rail beam, support rail beam beam underlayer, two adjacent sections are held Beam-and-rail, anti-vertical faulting of slab ends attachment strap, anti-horizontal faulting of slab ends boss and support rail beam backfill filler, wherein,
Described anti-vertical faulting of slab ends attachment strap is fixedly installed on roadbed filling and its lower end under described support rail beam Stretching into roadbed filling under described support rail beam, the bottom face of described anti-vertical faulting of slab ends attachment strap is provided with multiple side Shape double wedge;
Described support rail beam beam underlayer is layed under described support rail beam on the top end face of roadbed filling;
Described two joint support rail beams are all fixedly installed on the top end face of described support rail beam beam underlayer, often save The longitudinal of support rail beam extends the most along the longitudinal direction, and they relative one end are all fixedly installed on described On the top end face of anti-vertical faulting of slab ends attachment strap;Often joint support rail beam all includes that support rail beam lower raft sets with fixing The support rail beam top beam body being placed on described support rail beam lower raft;Two described support rail beam lower rafts , between two described support rail beam top beam body, there is upper expansion joint in expansion joint in the presence of between;
Described anti-horizontal faulting of slab ends boss quantity is two, and the two prevents setting about horizontal faulting of slab ends boss Putting, each described anti-horizontal faulting of slab ends boss is all fixedly installed on the top end face of anti-vertical faulting of slab ends attachment strap, And each described anti-horizontal faulting of slab ends boss is separately positioned on the position corresponding to described lower expansion joint, its In the left sides of anti-horizontal faulting of slab ends boss and the two described support rail beams of joint be fixedly connected with, another anti-horizontal stroke It is fixedly connected with to faulting of slab ends boss and two rear sides saving described support rail beam, to prevent two joints described support rail beam Transverse shifting;
Left side and the right side of often saving described support rail beam are respectively provided with described support rail beam backfill filler.
Middle low speed magnetic suspension traffic engineering the most according to claim 1 is low puts circuit single line location end Thorn formula support rail beam internode position limiting structure, it is characterised in that described anti-vertical faulting of slab ends attachment strap and described support rail Wear-resisting buffer layer it is additionally provided with between beam.
Middle low speed magnetic suspension traffic engineering the most according to claim 1 is low puts circuit single line location end Thorn formula support rail beam internode position limiting structure, it is characterised in that be provided with expansion joint at described lower expansion joint and fill out Fill material.
Middle low speed magnetic suspension traffic engineering the most according to claim 1 is low puts circuit single line location end Thorn formula support rail beam internode position limiting structure, it is characterised in that the height of described anti-horizontal faulting of slab ends boss is less than The height of described support rail beam lower raft.
Middle low speed magnetic suspension traffic engineering the most according to claim 1 is low puts circuit single line location end Thorn formula support rail beam internode position limiting structure, it is characterised in that the cross section of described support rail beam is in " convex " word Shape.
Middle low speed magnetic suspension traffic engineering the most according to claim 1 is low puts circuit single line location end Thorn formula support rail beam internode position limiting structure, it is characterised in that multiple described square double wedges are along described support rail The longitudinal arrangement of beam.
CN201610284864.XA 2016-04-29 2016-04-29 Limiting structure between terminal spine type rail bearing beam joints of single-line segment for medium-low-speed magnetic levitation traffic engineering low-arranged line Pending CN105926380A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201610284864.XA CN105926380A (en) 2016-04-29 2016-04-29 Limiting structure between terminal spine type rail bearing beam joints of single-line segment for medium-low-speed magnetic levitation traffic engineering low-arranged line
PCT/CN2017/077468 WO2017185917A1 (en) 2016-04-29 2017-03-21 Inter-segment limiting structure having clawed ends for track-bearing beam in single track section of low-set line of mid-to-low speed magnetic levitation transportation project

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Application Number Priority Date Filing Date Title
CN201610284864.XA CN105926380A (en) 2016-04-29 2016-04-29 Limiting structure between terminal spine type rail bearing beam joints of single-line segment for medium-low-speed magnetic levitation traffic engineering low-arranged line

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WO (1) WO2017185917A1 (en)

Cited By (2)

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Publication number Priority date Publication date Assignee Title
WO2017185917A1 (en) * 2016-04-29 2017-11-02 中铁第四勘察设计院集团有限公司 Inter-segment limiting structure having clawed ends for track-bearing beam in single track section of low-set line of mid-to-low speed magnetic levitation transportation project
CN111535078A (en) * 2020-05-15 2020-08-14 中国铁道科学研究院集团有限公司铁道建筑研究所 End thorn area reinforcing structure and construction method

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CN105926380A (en) * 2016-04-29 2016-09-07 中铁第四勘察设计院集团有限公司 Limiting structure between terminal spine type rail bearing beam joints of single-line segment for medium-low-speed magnetic levitation traffic engineering low-arranged line

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JPH11247102A (en) * 1998-03-03 1999-09-14 Railway Technical Res Inst Joint construction in ladder-sleeper track
CN1540100A (en) * 2003-10-30 2004-10-27 湖南大学 Complete seamless bridge in road
CN1916364A (en) * 2006-08-07 2007-02-21 上海市隧道工程轨道交通设计研究院 Tunnel treatment method for suiting to bulk value of differential settlement or slippage of stratum
CN1916277A (en) * 2006-09-07 2007-02-21 铁道第二勘察设计院 Track base without broken stones, and building method
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CN104695289A (en) * 2015-03-02 2015-06-10 中铁第四勘察设计院集团有限公司 Lowly arranged wire structure used in medium-low speed magnetic levitation traffic engineering fill section

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Publication number Priority date Publication date Assignee Title
WO2017185917A1 (en) * 2016-04-29 2017-11-02 中铁第四勘察设计院集团有限公司 Inter-segment limiting structure having clawed ends for track-bearing beam in single track section of low-set line of mid-to-low speed magnetic levitation transportation project
CN111535078A (en) * 2020-05-15 2020-08-14 中国铁道科学研究院集团有限公司铁道建筑研究所 End thorn area reinforcing structure and construction method

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