CN205474628U - Low circuit and overpass changeover portion structure of putting of well low -speed maglev traffic engineering support rail roof beam - Google Patents

Abstract

The utility model discloses a low circuit and overpass changeover portion structure of putting of well low -speed maglev traffic engineering support rail roof beam, including road bed, bridge abutment, support rail roof beam, slip casting pipe and escape canal, the bridge abutment is including platform back of the body main part and abutment cone, the support rail roof beam includes the bottom plate and sets up the superstructure on the bottom plate, and the bottom plate buries in the road bed, bottom plate downwardly extending have with the corresponding tenon of tongue -and -groove, the tenon is placed in the tongue -and -groove all set up the fillet on tenon and the tongue -and -groove to messenger's tenon can be at the tongue -and -groove internal rotation, slip casting pipe for many and these slip castings pipes set up in in the road bed. The utility model discloses a low circuit support rail roof beam of putting sets up tenon and overhead bridge tongue -and -groove overlap joint, has avoided between the two subsiding wrong platform because of what ground measures difference led to the fact, has guaranteed that magnetism floats the F rail and links to each other the position with the abutment and can not produce and subside wrong platform at the low circuit of putting, effectively satisfies magnific levitation for transportation engineering elevated structure and low ride comfort requirement of putting circuit changeover portion F rail.

Description

In one, low speed magnetic suspension traffic engineering support rail beam is low puts circuit and overpass transition section structure

Technical field

This utility model belongs to that medium-and low-speed maglev traffic engineering is low puts line construction field, more specifically, Relate to low circuit and the overpass transition section structure of putting of low speed magnetic suspension traffic engineering support rail beam in one.

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 The middle low speed magnetic suspension railway comercial operation line-the East Hillside Line opened and in June, 2014, Korea S opened Middle low speed magnetic suspension railway business operating line.And the middle low speed magnetic suspension traffic of China only has national defence at present University of Science and Technology's test wire, Green City Mountain test wire, Tangshan experiment line, but the formal line not put into effect Road, and all based on elevated structure, rarely seen about elevated structure and low put line transition segment structure aspect Research and application.

In wheel rail high speed railway, there is substantial amounts of bridge changeover portion roadbed, high-speed railway changeover portion road Base have employed trapezium structure mostly, have employed graded broken stone water mixing mud and fills, and use in trapezoidal scope Than the non-higher compacting requirement of changeover portion roadbed.During built high-speed railway operation, bridge Pass by and cross segment limit, the diseases such as non-fragment orbit protuberance, gap, grout often occur.This disease former Cause, is owing to changeover portion roadbed remains by the earth structure of rock and soil constitution, changeover portion roadbed mostly After laying a railway track, still can occur necessarily to settle, there is poor (the specification permission of certain settlement after construction with abutment Settlement after construction difference is not more than 5mm), owing to high-speed railway uses seamless track steel rail, allow work in specification In the range of rear differential settlement, have no effect on normal operation, but non-fragment orbit protuberance, gap can be caused, emit The diseases such as slurry, need timely repair and maintenance.

The F rail of medium-and low-speed maglev traffic line is to be used fishplate bar scene to be spliced by a short rail successively, And leave rail break joint, meet the ride comfort of the F rail of magnetic-levitation train even running requirement, rail to be leaned on Lower works ensures.Low circuit location of putting, under support rail beam, basis is by the earth structure of rock and soil constitution, Being affected by the factor such as landform, geological conditions, quality is the most wayward, at load and various natural ring It is easily generated differential settlement under the factor effect of border, the work inconsistent with elevated structure abutment can occur unavoidably Rear sedimentation, produces settlement after construction poor, and low circuit of putting occurs in that differential settlement with abutment position, necessarily affects F The ride comfort of rail, in some instances it may even be possible to cause F rail to produce the problem such as faulting of slab ends, deformation, time serious, will impact The normal operation of maglev vehicle.Therefore, high-speed railway changeover portion Roadbed Treatment cannot be directly used to Magnetic floating traffic engineering.

Utility model content

For disadvantages described above or the Improvement requirement of prior art, this utility model provide a kind of in The low of low speed magnetic suspension traffic engineering puts circuit tenon support rail beam transition section structure.This structure should meet Elevated structure and the low rigidity put between circuit and sedimentation transition, it is ensured that the overhead knot of magnetic suspension traffic engineering Structure and the low ride comfort requirement putting line transition section F rail, meet that magnetic floating traffic engineering is low puts circuit again The intensity of changeover portion sub rail foundation, long-time stability requirement, and construction quality controllability is strong.

For achieving the above object, according to this utility model, it is provided that low speed magnetic suspension traffic work in one Cheng Cheng beam-and-rail is low puts circuit and overpass transition section structure, it is characterised in that include roadbed, bridge bridge Platform, support rail beam, Grouting Pipe and gutter, wherein,

Described bridge abutment includes that platform back of the body main body and abutment cone, described back of the body main body are resisted against on roadbed, Described back of the body main body is provided with tongue-and-groove along the longitudinal direction, and described tongue-and-groove cross section is inverted trapezoidal, described bridge Platform cone is front side and the rear side that two and the two abutment cone are separately positioned on described back of the body main body, And each abutment cone top is respectively provided with described gutter in the position corresponding to tongue-and-groove, for inciting somebody to action Hydrops in described tongue-and-groove is discharged；

The length of described support rail beam extends in left-right direction, it include base plate and be arranged on base plate upper Portion's structure, described base plate is embedded in roadbed, and described base plate has downwardly extended near one end of platform back of the body main body Tenon corresponding with described tongue-and-groove, described tenon is positioned in described tongue-and-groove, so that platform back of the body body supports Described support rail beam, additionally, be respectively provided with fillet on described tenon and tongue-and-groove, so that tenon can be in tongue-and-groove Rotate, so that support rail beam is relative to described back of the body body rotation；

Described Grouting Pipe is many and these Grouting Pipe are arranged in described roadbed, and every Grouting Pipe is equal It is horizontally disposed with, with the grouting filling roadbed when roadbed occurs sedimentation.

Preferably, described roadbed includes bed course and trapezoidal filling body, and described bed course uses plain concrete to water Note forms and it is arranged between described support rail beam and described trapezoidal filling body, described trapezoidal filling body Use graded broken stone to mix cement works to form, arrange between described bridge abutment and described trapezoidal filling body Loaded filter made by non-fine concrete, arranges drain pipe in described loaded filter, for by the water in loaded filter Draw.

Preferably, described roadbed is provided with headwall near one end of tongue-and-groove, for supporting and blocking shape The filler of the roadbed become.

Preferably, also include that wear-resisting sliding layer, described wear-resisting sliding layer are arranged between tenon and tongue-and-groove.

Preferably, the ditch top in described gutter is concordant with the bottom face of support rail beam base plate, and its bottom of trench is the highest In the bottom land of described tongue-and-groove, and the furrow width 20cm bigger than the slot bottom width of described tongue-and-groove in described gutter Above, in order to observe the situation in the bottom land of described tongue-and-groove.

Preferably, the gradient in described gutter is not less than 4%.

Preferably, every Grouting Pipe all uses internal diameter to be 3cm stainless steel tube and on stainless steel tube Offer the slip casting eyelet of multiple diameter 5mm, all of Grouting Pipe arrange in left-right direction and at interval of 0.6m arranges one.

Preferably, described wear-resisting sliding layer is made up of PFY composite polyethylene geomembrane.

In general, by the contemplated above technical scheme of this utility model compared with prior art, Can obtain following beneficial effect:

(1) low circuit support rail beam base plate of putting is arranged tenon, elevated bridge near the end of elevated bridge Pier arranges tongue-and-groove, is overlapped in abutment tongue-and-groove to become to be movably hinged by low circuit support rail beam tenon of putting, keeps away Exempt from the sedimentation faulting of slab ends caused therebetween because of measures of foundation treatment difference, it is ensured that magnetic floats F rail low Put circuit and will not produce faulting of slab ends with abutment connected position, effectively realize magnetic suspension traffic engineering elevated structure With the low ride comfort requirement putting line transition section F rail.

(2) low circuit support rail beam base plate tenon tenon of putting uses rounding to process, and low puts circuit support rail beam Wear-resisting sliding layer is set between base plate tenon and abutment tongue-and-groove, releases support rail beam the most to a certain extent and exist The rotational restraint being likely to occur under the load action such as relative settlement, temperature, and magnetic-levitation train is transferred to The dynamic stress of Bridge Pier plays cushioning effect, reduces the dynamic stress and maglev vehicle acting on abutment Braking impulsive force, turn avoid because between tenon and tongue-and-groove, mutually extruding causes stress concentration to cause simultaneously The partial pressing of structure destroys.

(3) pre-buried between the low geotechnological basis put at the bottom of circuit support rail beam underlayer and under bed course after overhead abutment Grouting Pipe, when the geotechnique basis under support rail beam occurs excessive sedimentation to cause support rail beam and geotechnique basis under beam When there is gap, slip casting closure filling gap can be carried out by pre-buried Grouting Pipe, make low circuit of putting hold Under beam-and-rail and beam, geotechnique basis is closely connected, it is to avoid the structure stress that support rail beam causes because of bottom gap is uneven The harm brought, it is ensured that the durability of support rail girder construction and long-term safety.

(4) low correspondence abutment tongue-and-groove position, circuit support rail beam both sides of putting arranges gutter, puts circuit by low Side arranges headwall, and headwall does integral with abutment tongue-and-groove gutter, not only improves the water in abutment tongue-and-groove Discharging in time, the most beneficially support rail beam tenon and abutment tenon groove overhauls and safeguards, it is ensured that it is long-term Use function.

Accompanying drawing explanation

Fig. 1 is schematic longitudinal section of the present utility model；

Fig. 2 is the detail section structural representation at this utility model middle tenon groove；

Fig. 3 is the sectional schematic diagram in Fig. 1 along I-I line；

Fig. 4 is the sectional schematic diagram in Fig. 1 along II-II line；

Fig. 5 is headwall and the schematic diagram in gutter in this utility model.

Detailed description of the invention

In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with Drawings and Examples, are further elaborated to this utility model.Should be appreciated that this place is retouched The specific embodiment stated, only in order to explain this utility model, is not used to limit this utility model.This Outward, if technical characteristic involved in each embodiment of this utility model disclosed below that The conflict of not constituting between this just can be mutually combined.

With reference to Fig. 1～Fig. 5, in one, the low circuit of putting of low speed magnetic suspension traffic engineering support rail beam 1 is with overhead Bridge transition segment structure, including roadbed, bridge abutment 2, support rail beam 1, Grouting Pipe 5 and gutter 7, Wherein,

Described bridge abutment 2 includes platform back of the body main body 2.1 and abutment cone 2.3, described back of the body main body 2.1 Being resisted against on roadbed, described back of the body main body 2.1 is provided with tongue-and-groove 2.2, described tongue-and-groove 2.2 along the longitudinal direction Cross section is inverted trapezoidal, and described abutment cone 2.3 is two and the two abutment cone 2.3 sets respectively Put at the front side of described back of the body main body 2.1 and rear side, and each abutment cone 2.3 is corresponding to tongue-and-groove The position of 2.2 is respectively provided with described gutter 7, discharges for by the hydrops in described tongue-and-groove 2.2；Excellent Selection of land, also includes that wear-resisting sliding layer 3, described wear-resisting sliding layer 3 are arranged at tenon 1.3 and tongue-and-groove 2.2 Between, it is to avoid the abrasion of tenon 1.3 and platform back of the body main body 2.1 is it addition, the gradient in described gutter 7 is the least In 4%, in order to the water in tongue-and-groove 2.2 is discharged.Preferably, described wear-resisting sliding layer 3 is by polyester Long filament composite polyethylene geomembrane is made.

Described support rail beam 1 includes base plate 1.2 and the superstructure 1.1 being arranged on base plate 1.2, described Base plate 1.2 is embedded in roadbed, described base plate 1.2 near platform the back of the body main body 2.1 one end downwardly extended with The described corresponding tenon 1.3 of tongue-and-groove 2.2, described tenon 1.3 is positioned in described tongue-and-groove 2.2, so that platform Back of the body main body 2.1 supports described support rail beam 1, additionally, be respectively provided with circle on described tenon 1.3 and tongue-and-groove 2.2 Angle, so that tenon 1.3 can rotate in tongue-and-groove 2.2, so that support rail beam 1 is main relative to described the back of the body Body 2.1 rotates；Tenon 1.3 can occur more small relative displacement to rotate in tongue-and-groove 2.2, energy The dynamic stress that magnetic-levitation train is transferred to Bridge Pier plays cushioning effect, reduces and acts on abutment Dynamic stress brakes impulsive force with maglev vehicle, turn avoid because mutually extruding between tenon and tongue-and-groove simultaneously Causing stress to concentrate causes the partial pressing of structure to destroy.

Described Grouting Pipe 5 is arranged in described roadbed for many and these Grouting Pipe 5, with at roadbed Grouting filling roadbed when occurring to settle.

Further, described roadbed includes that bed course 4 and trapezoidal filling body 6, described bed course 4 use element coagulation Soil cast forms and it is arranged between described support rail beam 1 and described trapezoidal filling body 6, described ladder Shape filling body 6 uses graded broken stone to mix cement works and forms, and described bridge abutment 2 trapezoidal is filled out with described Non-fine concrete is set between building body 6 and makees loaded filter, in described loaded filter, drain pipe is set, for Water in loaded filter is drawn, it is preferable that described Grouting Pipe 5 is arranged in described bed course 4.

Further, described roadbed is provided with headwall 8 near one end of tongue-and-groove 2.2, for supporting and hiding The filler of roadbed that gear is formed, prevents filler from entering in gutter 7, affect gutter 7 draining and Support rail beam tenon 1.3 and the repair and maintenance of abutment tongue-and-groove 2.2.

Further, the ditch top in described gutter 7 is concordant with the bottom face of support rail beam 1 base plate 1.2, its ditch The end, is not higher than the bottom land of described tongue-and-groove 2.2, and the furrow width in described gutter 7 is than described tongue-and-groove 2.2 Big more than the 20cm of slot bottom width, in order to observe the situation in the bottom land of described tongue-and-groove 2.2.

Further, every Grouting Pipe is all horizontally disposed with, its stainless steel tube using internal diameter to be 3cm and Offering the slip casting eyelet of multiple diameter 5mm on stainless steel tube, all of Grouting Pipe sets in left-right direction Put and arrange one at interval of 0.6m.When under support rail beam, geotechnique basis settles, have at the bottom of support rail beam During gap, by pre-buried Grouting Pipe grouting filling, it is to avoid come to nothing at the bottom of support rail beam because settlement of foundation causes Deteriorate the stress condition of support rail beam.

Support rail beam 1 is made up of support rail beam superstructure 1.1, support rail beam base plate 1.2, and support rail beam base plate leans on The end of abutment arranges tenon 1.3；The platform back of the body 2.1 of bridge abutment 2 sets at support rail beam tenon correspondence position Putting abutment tongue-and-groove 2.2, support rail beam tenon 1.3 is overlapped in bridge abutment tongue-and-groove 2.2.Low circuit of putting holds Beam-and-rail tenon 1.3 is overlapped at abutment tongue-and-groove 2.2, and force modes is hinged, and the lowest circuit of putting holds The rotational restraint of beam-and-rail, remain vertical and longitudinal restraint, releasable TEMPERATURE FORCE, it is to avoid support rail beam There is warpage, cracking；Meanwhile, low circuit support rail beam of putting settles consistent with abutment lap position, it is to avoid Abutment 2 and low putting produce faulting of slab ends sedimentation between circuit support rail girder construction 1；Low put circuit support rail beam another End is embedded in stable low to be put in line construction, and its sedimentation, with low to put line construction consistent, is put due to low Line construction through basement process and after filling compacting sedimentation value be in controlled range, therefore, support rail beam Sedimentation between two ends is at abutment 2 and low puts between line construction, close to linear change, thus real Show overhead bridge structure and the low sedimentation transition put between line construction, it also avoid faulting of slab ends, protected for effect Demonstrate,prove the ride comfort of changeover portion scope F rail.

Wear-resisting sliding layer 3 is arranged between support rail beam tenon 1.3 and bridge abutment 2 tongue-and-groove 2.2, support rail The tenon position of beam tenon 1.3 uses rounding to process, and bridge abutment 2 tongue-and-groove 2.2 is also adopted by rounding Process, by the effect of wear-resisting sliding layer 3, support rail beam 1 can be released to a certain extent and sink in difference The rotational restraint being likely to occur under the load actions such as fall, temperature, and magnetic-levitation train is transferred to bridge pier The dynamic stress of platform 2 plays cushioning effect, it also avoid the mill between support rail beam tenon 1.3 and abutment tongue-and-groove 2.2 Damage, avoid because between tenon 1.3 and abutment tongue-and-groove 2.2, mutually extruding causes stress concentration to cause simultaneously The partial pressing of structure destroys.

The corresponding abutment tongue-and-groove 2.2 in gutter 7 is arranged on abutment cone 2.3 top, both sides, ditch top and support rail At the bottom of beam base plate concordant, bottom of trench is not higher than at the bottom of tongue-and-groove, the every side of ditch bottom width more than at the bottom of tongue-and-groove no less than 10cm, On the one hand facilitate water in tongue-and-groove to discharge smoothly, be on the other hand easy to the inspection of support rail beam tenon and abutment tongue-and-groove Look into and safeguard.Transverse drainage slope, gutter is not less than 4%, and discharges roadbed slope through roadbed slope drainage groove Outside foot.

Headwall 8 is arranged on gutter 7 near the low side putting circuit, and headwall 8 top horizontal is low puts circuit Backfill layer end face, headwall 8 end, basis, is positioned at the end, gutter 7 no less than 20cm, headwall 8 and gutter 7 typically use C25 concrete one-piece casting, use therebetween bar connecting.

Low geotechnique basis of putting under circuit support rail beam is arranged with reference to High-speed Railway Bridges road transition section structure form, Trapezoidal filling body 6 uses graded broken stone water mixing mud to fill, and meets corresponding compacting requirement and ground simultaneously Base processes requirement of settlement control, arranges non-fine concrete loaded filter, simultaneously between graded broken stone and abutment Arrange drain pipe to be drawn outside roadbed by water.

The middle low speed magnetic suspension traffic engineering support rail beam that the utility model proposes is low puts circuit and overpass Transition section structure, it is simply that use tenon to be overlapped in abutment tongue-and-groove one-tenth moveable hinge on low circuit support rail beam of putting Connect, and slip wearing layer, built-in slip casting pipe under support rail beam are set between support rail beam tenon and abutment tongue-and-groove Etc. technology, effectively release that support rail beam is likely to occur under the load action such as relative settlement, temperature turns Moving constraint, reduces the dynamic stress acting on abutment and brakes impulsive force with maglev vehicle, it is achieved that be high Shelf structure and the low rigidity put between circuit and sedimentation transition, it is to avoid produce therebetween bigger rigidity Difference and sedimentation faulting of slab ends, construction quality is easily controllable, it is easy to repair and maintenance, it is possible to meet magnetic-levitation train Safety, comfortable operation are to soil rigidity under line and sedimentation gentle transition and requirement steady in a long-term.

Concrete manufacture process of the present utility model is as follows:

(1) construction overhead bridge structure abutment, carries out tongue-and-groove template before pouring bridge abutment body concrete The work such as making, location, construction abutment and abutment tongue-and-groove.

(2) backfill abutment foundation foundation ditch, low after smooth platform puts place, circuit location, according to foundation condition Carry out the basement process of necessity；After basement process completes, design low after platform is filled in requirement putting by changeover portion Geotechnique basis under circuit support rail beam, geotechnique basis filling construction Tong Bu with abutment cone under platform consequence beam-and-rail. According to each position wire feeding and compaction requirement when filling, changeover portion scope is Tong Bu with non-changeover portion district Placement in layers, next layer fills and fills last layer after detection meets the requirements again.

(3) after under support rail beam, geotechnique basis filling construction completes, built-in slip casting pipe of constructing.Pre-buried slip casting During pipe construction, first excavate in pre-buried position one wide, be deeply the groove of 10cm, bottom land ram clap the most flat After whole, Laying injection pipe, scope Cast-in-situ Piles in Sand-filling gravel in transverse section at the bottom of support rail beam, other scopes use former opening The geotechnique basis filler backfill dug, and use tablet chaser grinding compacting.Grouting Pipe is embedded in soil One end use iron plate sealing to block up, the other end exposes side slope no less than 30cm, and Grouting Pipe tube head uses band The pipe cap protection of screw thread, it is simple to later connect slip casting flexible pipe.It is positioned at every slip casting of scope at the bottom of support rail beam The slip casting eyelet of diameter 5mm, eyelet pitch-row 10～15cm, hoop 3 hole, staggered cloth is offered on pipe Put.

(4) settlement observation is carried out, after sedimentation assessment meets the requirements, construction cushion coat, entertain at the bottom of beam-and-rail After plate bed course reaches design strength, lay wear-resisting sliding layer.

(5) construction support rail beam.According to design requirement, measurement and positioning, tenon support rail beam forms is installed, Bituminous wood filament plate between support rail beam-ends and abutment gap and waterproof layer, assembling reinforcement, support rail Liang Liang are installed Body and the tenon primary concreting concrete forming under beam base plate, carry out concrete curing by design requirement, Reach form removal after design strength.

(6) constructing the low gutter the putting circuit both sides headwall other with gutter, gutter is adopted with headwall Being formed with the construction of concrete one-piece casting, gutter and headwall concrete remove mould after reaching design strength Plate, then by design requirements construction low put the backfill layer of circuit graded broken stone end face, confining bed, be correlated with Auxiliary construction, by design and construction abutment cone end face confining bed etc., slope construction protection, drainer Journey etc..

(7) carry out low circuit and the elevated structure section of track put to lay and the installation of associated satellite engineering and construction, In i.e. being formed after construction, low speed magnetic suspension traffic engineering support rail beam is low puts circuit and overpass changeover portion Structure.

As it will be easily appreciated by one skilled in the art that and the foregoing is only preferred embodiment of the present utility model , not in order to limit this utility model, all made within spirit of the present utility model and principle Any amendment, equivalent and improvement etc., within should be included in protection domain of the present utility model.

Claims (8)

1. in, low speed magnetic suspension traffic engineering support rail beam is low puts circuit and an overpass transition section structure, It is characterized in that, including roadbed, bridge abutment, support rail beam, Grouting Pipe and gutter, wherein,

Described bridge abutment includes that platform back of the body main body and abutment cone, described back of the body main body are resisted against on roadbed, Described back of the body main body is provided with tongue-and-groove along the longitudinal direction, and described tongue-and-groove cross section is inverted trapezoidal, described bridge Platform cone is front side and the rear side that two and the two abutment cone are separately positioned on described back of the body main body, And each abutment cone top is respectively provided with described gutter in the position corresponding to tongue-and-groove, for inciting somebody to action Hydrops in described tongue-and-groove is discharged；

The length of described support rail beam extends in left-right direction, it include base plate and be arranged on base plate upper Portion's structure, described base plate is embedded in roadbed, and described base plate has downwardly extended near one end of platform back of the body main body Tenon corresponding with described tongue-and-groove, described tenon is positioned in described tongue-and-groove, so that platform back of the body body supports Described support rail beam, additionally, be respectively provided with fillet on described tenon and tongue-and-groove, so that tenon can be in tongue-and-groove Rotate, so that support rail beam is relative to described back of the body body rotation；

Described Grouting Pipe is many and these Grouting Pipe are arranged in described roadbed, and every Grouting Pipe is equal It is horizontally disposed with, with the grouting filling roadbed when roadbed occurs sedimentation.

In one the most according to claim 1, low speed magnetic suspension traffic engineering support rail beam is low puts circuit With overpass transition section structure, it is characterised in that described roadbed includes bed course and trapezoidal filling body, institute Stating bed course uses plain concrete cast to form and it is arranged at described support rail beam and described trapezoidal filling body Between, described trapezoidal filling body uses graded broken stone to mix cement works and forms, described bridge abutment and institute State and non-fine concrete is set between trapezoidal filling body makees loaded filter, in described loaded filter, drain pipe is set, Draw for by the water in loaded filter.

In one the most according to claim 1, low speed magnetic suspension traffic engineering support rail beam is low puts circuit With overpass transition section structure, it is characterised in that described roadbed is provided with headwall near one end of tongue-and-groove, Filler for the roadbed supporting and blocking formation.

In one the most according to claim 1, low speed magnetic suspension traffic engineering support rail beam is low puts circuit With overpass transition section structure, it is characterised in that also include wear-resisting sliding layer, described wear-resisting sliding layer It is arranged between tenon and tongue-and-groove.

In one the most according to claim 1, low speed magnetic suspension traffic engineering support rail beam is low puts circuit With overpass transition section structure, it is characterised in that the ditch top in described gutter and the end of support rail beam base plate End face is concordant, and its bottom of trench is not higher than the bottom land of described tongue-and-groove, and the furrow width ratio in described gutter is described Big more than the 20cm of slot bottom width of tongue-and-groove, in order to observe the situation in the bottom land of described tongue-and-groove.

In one the most according to claim 1, low speed magnetic suspension traffic engineering support rail beam is low puts circuit With overpass transition section structure, it is characterised in that the gradient in described gutter is not less than 4%.

In one the most according to claim 1, low speed magnetic suspension traffic engineering support rail beam is low puts circuit With overpass transition section structure, it is characterised in that every Grouting Pipe all uses internal diameter to be the stainless of 3cm Steel pipe and offer the slip casting eyelet of multiple diameter 5mm on stainless steel tube, all of Grouting Pipe is along left Right direction arranges and arranges one at interval of 0.6m.

In one the most according to claim 1, low speed magnetic suspension traffic engineering support rail beam is low puts circuit With overpass transition section structure, it is characterised in that described wear-resisting sliding layer is combined poly-second by PFY Alkene geomembrane is made.