CN206127759U - Moderate -low speed magnetic levitation double -line location detached pier column type support rail roof beam transition section structure that fills - Google Patents

Moderate -low speed magnetic levitation double -line location detached pier column type support rail roof beam transition section structure that fills Download PDF

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Publication number
CN206127759U
CN206127759U CN201621062535.2U CN201621062535U CN206127759U CN 206127759 U CN206127759 U CN 206127759U CN 201621062535 U CN201621062535 U CN 201621062535U CN 206127759 U CN206127759 U CN 206127759U
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China
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support rail
rail beam
base plate
armored concrete
concrete support
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CN201621062535.2U
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Chinese (zh)
Inventor
李小和
郭建湖
赵新益
姜鹰
姚洪锡
李巍
王勇刚
杨辉建
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China Railway Siyuan Survey and Design Group Co Ltd
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China Railway Siyuan Survey and Design Group Co Ltd
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Abstract

The utility model belongs to the technical field of the low circuit of putting of well low -speed maglev traffic engineering to moderate -low speed magnetic levitation double -line location detached pier column type support rail roof beam transition section structure that fills is disclosed, filler, bridge abutment, trapezoidal filling body and headwall are backfilled to roadbed filler, support rail roof beam both sides under pile foundation load bearing structure, reinforced concrete support rail breast board, the two rows of reinforced concrete beam structure, support rail roof beam, accept on the top of reinforced concrete support rail breast board reinforced concrete beam structure, support rail roof beam both sides are backfilled to pack and are passed through roadbed filler accepts under the support rail roof beam. The utility model discloses long term stability is better, has both satisfied the high requirement to support rail roof beam structural distortion and post -construction settlement, satisfies the requirement of foundation bed long term stability, durability and construction quality's controllability again, the utility model discloses magnetic suspension elevated structure and low smooth -going transition of putting circuit changeover portion F rail are effectively realized to an end lap that is close to overhead bridge with reinforced concrete support rail breast board on bridge abutment.

Description

Medium-and low-speed maglev two-wire embankment location independence pier stud type support rail beam transition section structure
Technical field
This utility model belongs to that middle low speed magnetic suspension traffic engineering is low to put Line technology field, low more particularly, in Fast magnetic floats two-wire embankment location transition section structure pattern.
Background technology
Middle low speed magnetic suspension track traffic belongs to a kind of novel traffic mode, and achievement in research both domestic and external is less, the whole world The circuit for opening operation is even more minority.The middle low speed magnetic suspension railway business that only in March, 2005 Japan's construction at present is opened is transported The middle low speed magnetic suspension railway business operating line that line-the East Hillside Line and in June, 2014 Korea open.And the middle low speed of China Magnetic suspension traffic only National University of Defense technology's test wire, Green City Mountain test wire, Tangshan experiment line at present, but do not put into effect Formal circuit, and based on elevated structure, it is rarely seen about elevated structure and the low research put in terms of line transition segment structure and Using.
In wheel rail high speed railway, there is substantial amounts of bridge changeover portion roadbed, high-speed railway changeover portion roadbed is adopted mostly Trapezium structure, employs cement stabilized graded macabam in trapezoidal scope and fills, and employ the compacting higher than non-changeover portion roadbed Require.During built high-speed railway operation, often there is non-fragment orbit protuberance, gap, grout in bridge transition segment limit Etc. disease.The reason for this disease, remained by the earth structure of rock and soil constitution, changeover portion due to changeover portion roadbed mostly After roadbed is laid a railway track, certain sedimentation still can occur, there is poor (the specification permission settlement after construction of certain settlement after construction with bridge abutment Difference is not more than 5mm), as high-speed railway adopts seamless track steel rail, allow, in settlement after construction difference scope, to have no effect in specification Normal operation, but the diseases such as non-fragment orbit protuberance, gap, grout can be caused, need timely repair and maintenance.
The F rails of medium-and low-speed maglev traffic line are spliced using fishplate bar scene by a short rail successively, and are left between rail Seam, meets the ride comfort of the F rails of magnetic-levitation train even running requirement, and works under rail will be leaned on substantially to ensure.It is low to put circuit location, Under support rail beam, basis is, by the earth structure of rock and soil constitution, to be affected by factors such as landform, geological conditions, and quality is not relatively easily-controllable System, under load and the effect of various factor of natural environments is also easy to produce differential settlement, can occur unavoidably and elevated structure bridge bridge The inconsistent settlement after construction of platform, generation settlement after construction are poor, and low circuit of putting occurs in that differential settlement with bridge abutment position, necessarily affects The ride comfort of F rails, in some instances it may even be possible to cause F rails to produce the problems such as faulting of slab ends, deformation, when serious, will affect the normal fortune of maglev vehicle Battalion.
Utility model content
For the disadvantages described above or Improvement requirement of prior art, this utility model provides medium-and low-speed maglev two-wire embankment ground Duan Duli pier stud type support rail beam transition section structures, the structure should meet elevated structure and the low rigidity put between circuit with sedimentation Transition, it is ensured that magnetic suspension traffic engineering elevated structure and the low ride comfort requirement for putting line transition section F rail, meets the floating friendship of magnetic again The low intensity for putting line transition section sub-rail foundation of logical engineering, long-time stability are required, and construction quality controllability is strong.
For achieving the above object, according to this utility model, there is provided medium-and low-speed maglev two-wire embankment location independence pier stud type Support rail beam transition section structure, it is characterised in that mix including pile foundation bearing structure, armored concrete support rail beam base plate, two placing of reinforcements Roadbed filling, support rail beam both sides backfill filler, bridge abutment, trapezoidal filling body and headwall under solidifying soil girder structure, support rail beam, its In,
The pile foundation bearing structure is provided with many, is vertically arranged per pile foundation bearing structure described in root, and the institute per root The armored concrete support rail beam base plate is accepted in the top for stating pile foundation bearing structure;
Reinforced concrete beam type structure described in two rows is accepted at the top of the armored concrete support rail beam base plate, and described The top of pile foundation bearing structure is embedded in the armored concrete support rail beam base plate and is just connect with which, the armored concrete support rail beam bottom Plate and reinforced concrete beam type structure difference formed by integrally casting molding described in every row, so as to collectively form armored concrete support rail beam;
Wired weathering section is set between reinforced concrete beam type structure described in two rows, and between the line, weathering section has Cross fall and head fall, for current are introduced two adjacent sections armored concrete support rail beam base plate internode expansion joint further Current are discharged;
Under the support rail beam, roadbed filling is arranged between shallow layer reinforcement area and the armored concrete support rail beam base plate, with For being that the armored concrete support rail beam base plate and support rail beam both sides backfill filler provide operation platform, and hold for the pile foundation Carry structure and lateral support is provided;Wherein, the shallow layer reinforcement area is arranged on the superficial floor of soft stratum, and the shallow layer reinforcement The vertical consistency of roadbed filling and the reinforced concrete beam type structure under area, the support rail beam;
The support rail beam both sides backfill filler is accepted by roadbed filling under the support rail beam, and the support rail beam both sides Backfill filler props up the both sides of the armored concrete support rail beam base plate, to play protection to the armored concrete support rail beam base plate The transverse shifting of the armored concrete support rail beam base plate is acted on and constrained, and maintenance passage is provided;
Under the support rail beam, roadbed filling and support rail beam both sides backfill filler collectively form filler filling body, described to fill out Material filling body both sides are provided with the first weathering;
Roadbed filling under the support rail beam, the shallow layer reinforcement area are sequentially passed through per the lower end of pile foundation bearing structure described in root With stretch into after the soft stratum in supporting course, with soft stratum produce sedimentation when, the pile foundation bearing structure can bear negative Frictional resistance, so as to provide stable bearing capacity to armored concrete support rail beam base plate and reinforced concrete beam type structure, to reduce Because of the adverse effect that the sedimentation of filler filling body is produced to the vertical of armored concrete support rail beam, vertical and horizontal rigidity;
One end of the armored concrete support rail beam base plate is overlapped on the bridge abutment, and both are connected by pin Release longitudinal restraint is connect, and limits lateral displacement;
The both sides of one end that the armored concrete support rail beam base plate is overlapped on the bridge abutment are respectively provided with the end Wall, and the headwall per side abutted with the support rail beam both sides backfill filler of respective side respectively, protects the support rail for gear Beam both sides backfill filler;
The trapezoidal filling body is arranged between shallow layer reinforcement area and the armored concrete support rail beam base plate, its with it is described Under support rail beam, roadbed filling is abutted near one end of the bridge abutment, for accepting the armored concrete support rail beam bottom Plate, support rail beam both sides backfill filler and headwall;
The trapezoidal filling body both sides are provided with second weathering consistent with the first weathering gradient.
Preferably, the pile foundation bearing structure is cast-in-situ bored pile, and the armored concrete support rail beam bottom is stretched on its top In plate and the steel reinforcement cage of cast-in-situ bored pile is also stretched in the armored concrete support rail beam base plate.
Preferably, the support rail beam both sides backfill the height of filler and the height phase of the armored concrete support rail beam base plate Deng.
Preferably, pile foundation bearing structure described in all these is arranged in ranks.
Preferably, between the line, the cross fall of weathering section is 3%~5%, and head fall is not less than 2 ‰.
Preferably, the trapezoidal filling body mixes cement production systD using graded broken stone.
Preferably, the armored concrete support rail beam base plate is overlapped on one end of the bridge abutment and the bridge abutment Between be provided with wear-resisting sliding layer.
Preferably, the pin includes pre-buried connection reinforcing bar, Colophonium hemp cut and stainless steel sleeve pipe, the pre-buried connection reinforcing bar The Colophonium hemp cut is set in the stainless steel sleeve pipe and between the two.
In general, by the contemplated above technical scheme of this utility model compared with prior art, can obtain down Row beneficial effect:
(1) armored concrete support rail beam base plate is overlapped on bridge abutment, by pin near one end of elevated bridge Connection, it is to avoid between the two because of sedimentation faulting of slab ends that measures of foundation treatment difference causes, it is ensured that the floating F rails of magnetic it is low put circuit with Bridge abutment connected position will not produce faulting of slab ends, effectively realize that magnetic suspension traffic engineering elevated structure puts the flat of circuit F rails with low Along transition.
(2) armored concrete support rail beam adopt reinforced concrete soil scene one-piece casting, to directly take on track load and The magnetic-levitation train load of track transmission, then deadweight and upper load are passed to and its rigidly connected pile foundation bearing structure, tie Structure reliability is high.
(3) pile foundation bearing structure of the present utility model is goed deep in supporting course, and when embankment produces certain sedimentation, pile foundation carries knot Structure still can bear negative friction and provide stronger bearing capacity, it is to avoid because filling compaction and foundation stabilization quality it is wayward Impact of the differential settlement for causing to support rail beam vertical and horizontal rigidity, structure vertical cross stiffness and structural reliability it is more excellent.
(4) put circuit soft soil zone low, according to embankment stability need necessity is carried out to the superficial layer of soft stratum Reinforcing, its reinforcement depth by embankment stability control, compared to by settle and tradition when stable Two indices are controlled solely For base reinforcing mode, shallow layer reinforcement area reinforcement depth is little, can effective control roadbed reclamation and roadbed with reference to pile foundation bearing structure Settlement after construction.The stiffening basic ground of the wide area that non-soft soil zone is produced after more can avoiding embankment slope, and Pile foundation bearing structure construction quality is more easy to control, can effective control construction quality, investment reduction, the reduction of erection time, with obvious Technology and economic advantages.
(5) while two placing of reinforcement concrete beam-type structures of two-wire are combined by reinforced concrete floor, can To be effectively increased the lateral stiffness of reinforced concrete beam type structure, make left and right two save reinforced concrete beam type structure and be placed in rigidity phase On same reinforced concrete floor, the lateral stability of reinforced concrete beam type structure can be effectively increased, control reinforced concrete Relative settlement between native girder structure, also beneficial to operation during maintenance with safeguard, measure is simple, easily construction, cost save, effect It is really good.
Description of the drawings
Fig. 1 is schematic longitudinal section of the present utility model;
Fig. 2 is the generalized section in Fig. 1 along I-I line;
Fig. 3 is the generalized section in Fig. 1 along II-II line;
Fig. 4 is the generalized section in Fig. 1 along III-III line;
Fig. 5 is that the plane distribution that armored concrete support rail beam base plate is overlapped on bridge abutment in this utility model is illustrated Figure;
Fig. 6 is the cross-sectional view of pin in this utility model.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement Example, is further elaborated to this utility model.It should be appreciated that specific embodiment described herein is only to explain This utility model, is not used to limit this utility model.Additionally, institute in this utility model disclosed below each embodiment As long as the technical characteristic being related to does not constitute conflict each other and can just be mutually combined.
With reference to Fig. 1~Fig. 6, medium-and low-speed maglev two-wire embankment location independence pier stud type support rail beam transition section structure, including stake Roadbed filling 5 under base bearing structure 3, armored concrete support rail beam base plate 2, two placing of reinforcement concrete beam-type structures 1, support rail beam, Support rail beam both sides backfill filler 4, bridge abutment 12, trapezoidal filling body 14 and headwall 13 wherein,
The pile foundation bearing structure 3 is provided with many, is vertically arranged per pile foundation bearing structure 3 described in root, and per root The armored concrete support rail beam base plate 2 is accepted in the top of the pile foundation bearing structure 3;
Accept reinforced concrete beam type structure 1 described in two rows, and institute in the top of the armored concrete support rail beam base plate 2 The top for stating pile foundation bearing structure 3 is embedded in the armored concrete support rail beam base plate 2 and is just connect with which, the armored concrete support rail Beam base plate 2 and 1 formed by integrally casting molding of reinforced concrete beam type structure described in every row, so as to collectively form armored concrete support rail beam 9;
Wired weathering section is set between reinforced concrete beam type structure 1 described in two rows, weathering section tool between the line There are cross fall and head fall, for current are introduced 2 internode expansion joint of two adjacent sections armored concrete support rail beam base plate And then current are discharged;Between the line, the cross fall of weathering section is 3%~5%, more preferably 4%, weathering section between line Head fall be not less than 2 ‰, in order to draining.
Under the support rail beam roadbed filling 5 be arranged on shallow layer reinforcement area 6 and the armored concrete support rail beam base plate 2 it Between, for being that the armored concrete support rail beam base plate 2 and support rail beam both sides backfill filler 4 provide operation platform, and for institute State pile foundation bearing structure 3 and lateral support is provided;Wherein, the shallow layer reinforcement area 6 is arranged on the superficial floor of soft stratum 7, and The vertical consistency of roadbed filling 5 and the reinforced concrete beam type structure 1 under the shallow layer reinforcement area 6, the support rail beam;
The support rail beam both sides backfill filler 4 is accepted by roadbed filling 5 under the support rail beam, and the support rail beam two Side backfill filler 4 props up the both sides of the armored concrete support rail beam base plate 2, with to the armored concrete support rail beam base plate 2 The transverse shifting of the armored concrete support rail beam base plate 2 is shielded and constrained, and maintenance passage is provided;
Under the support rail beam, roadbed filling 5 and support rail beam both sides backfill filler 4 collectively form filler filling body 10, institute State 10 both sides of filler filling body and be provided with the first weathering 11;
Roadbed filling 5, the shallow layer reinforcement under the support rail beam are sequentially passed through per the lower end of pile foundation bearing structure 3 described in root Stretch into behind area 6 and the soft stratum 7 in supporting course 8, so that when soft stratum 7 produces sedimentation, the pile foundation bearing structure 3 can Negative friction is born, so that stable carrying is provided to armored concrete support rail beam base plate 2 and reinforced concrete beam type structure 1 Power, is produced to the vertical of armored concrete support rail beam 9, vertical and horizontal rigidity with the differential settlement reduced because of filler filling body 10 Raw adverse effect;
One end of the armored concrete support rail beam base plate 2 is overlapped on the bridge abutment 12, and both pass through pin 15 Connection Release longitudinal restraints are followed closely, and limits lateral displacement;
The both sides of one end that the armored concrete support rail beam base plate 2 is overlapped on the bridge abutment 12 are respectively provided with described Headwall 13, and the headwall 13 per side abutted with the support rail beam both sides backfill filler 4 of respective side respectively, for gear shield institute State support rail beam both sides backfill filler 4;
The trapezoidal filling body 14 is arranged between shallow layer reinforcement area 6 and the armored concrete support rail beam base plate 2, its with Under the support rail beam, roadbed filling 5 is abutted near one end of the bridge abutment 12, is held for accepting the armored concrete Beam-and-rail base plate 2, support rail beam both sides backfill filler 4 and headwall 13;
14 both sides of trapezoidal filling body are provided with second weathering 17 consistent with 11 gradient of the first weathering.
Further, the pile foundation bearing structure 3 is cast-in-situ bored pile, and the armored concrete support rail beam bottom is stretched on its top In plate 2 and the steel reinforcement cage of cast-in-situ bored pile is also stretched in the armored concrete support rail beam base plate 2, the support rail beam both sides are returned Highly equal, the pile foundation bearing structure described in all these of the height of filler 4 and the armored concrete support rail beam base plate 2 3 arrange in ranks.
Further, the trapezoidal filling body 14 mixes cement production systD using graded broken stone.
Further, the armored concrete support rail beam base plate 2 is overlapped on one end of the bridge abutment 12 and the bridge It is provided with wear-resisting sliding layer 16 between abutment 12, the pin 15 includes pre-buried connection reinforcing bar 15.1, Colophonium hemp cut 15.2 and not Rust steel thimble 15.3, the pre-buried connection reinforcing bar 15.1 are located in the stainless steel sleeve pipe 15.3 and are fixedly installed between the two The Colophonium hemp cut 15.2.
9 agent structure of this utility model armored concrete support rail beam adopts reinforced concrete soil scene one-piece casting, reinforcing bar 9 girder structure of concrete support rail beam to directly take on track load and track transmission magnetic-levitation train load, then will deadweight and Upper load is passed to and its rigidly connected pile foundation bearing structure 3, and structural reliability is high.Pile foundation bearing structure 3 adopts reinforcing bar Concrete drilling bored concrete pile makes, and transverse direction and longitudinal direction is made up of multiple rows of reinforced concrete bored pile, and vertical cross stiffness is big;And The deep reliable supporting course 8 of pile foundation, embankment occur to produce between certain sedimentation and armored concrete support rail beam 9 when coming to nothing, and pile foundation is held Carry structure 3 still to bear negative friction and stronger bearing capacity is provided, with stronger longitudinal, vertical and lateral stability. Two line reinforced concrete beam type structures are connected by sharing base plate, further increase the lateral stiffness and stability of structure.
2 one end of armored concrete support rail beam base plate of armored concrete support rail beam 9 is overlapped on bridge abutment 12, and the two leads to Cross pin 15 to connect, the releasable temperature stress in 15 longitudinal direction of pin realizes that support rail beam, in the flexible of longitudinal direction, laterally limits support rail beam Displacement, improves the lateral stability of structure.One end of support rail beam is overlapped with bridge abutment 12, makes low to put circuit support rail beam and bridge The sedimentation of 12 lap position of abutment is consistent, it is to avoid bridge abutment 12 and low putting produce between circuit support rail girder construction faulting of slab ends sedimentation;It is low Put 2 other end of circuit armored concrete support rail beam base plate be embedded in it is stable it is low put in line construction, its sedimentation puts circuit with low Structure is consistent, is put line construction Jing basement process and is filled after compacting sedimentation value in controlled range due to low, therefore, support rail Sedimentation between beam two ends be located at bridge abutment 12 and it is low put between line construction, be close to linear change, it is achieved thereby that overhead Bridge structure and the low sedimentation transition put between line construction, it also avoid faulting of slab ends, the smooth-going of transition segment limit F rails have been effectively ensured Property.
Wear-resisting sliding layer 16 is arranged between armored concrete support rail beam base plate 2 and bridge abutment 12, by resistance to mill sliding The effect of layer 16, can release the rotation that support rail beam is likely to occur under the load actions such as relative settlement, temperature to a certain extent Constraint, and the dynamic stress cushioning effect of bridge abutment 12 is transferred to magnetic-levitation train, it also avoid support rail beam and bridge abutment Abrasion and stress concentration between 12 causes the partial pressing of structure to destroy.
Headwall 13 is set by low line side of putting, is returned for keeping off the low circuit support rail beam both sides of putting in shield and 12 joint of bridge abutment Filler.Low to put geotechnique basis reference High-speed Railway Bridges road transition section structure form setting under circuit support rail beam, changeover portion is trapezoidal Filling body 14 is filled using graded broken stone water mixing mud, and the top layer on 14 top of trapezoidal filling body is also filled out using graded broken stone water mixing mud Build, while meeting corresponding compacting requirement and basement process requirement of settlement control, set between graded broken stone and bridge abutment 12 Non-fine concrete loaded filter is put, while arrange drain pipe water is drawn outside roadbed.
Changeover portion be located at soft soil zone when, should according to embankment stability need ground superficial layer is carried out it is necessary plus Gu, form shallow layer reinforcement area 6.By embankment stability control, whether which reinforces and reinforcement depth the reinforcement depth in shallow layer reinforcement area 6 Should be determined by stability calculation according to embankment raising, foundation condition.Compared to biography when being controlled by sedimentation and stable Two indices Unite for single ground reinforcing mode, 6 reinforcement depth of shallow layer reinforcement area is little, can effective control embankment with reference to pile foundation bearing structure 3 Stable and post-construction settlement of subgrade.By contrast, the structural strengthening quantity is little, invests little, and more conducively sinks after construction quality and work The control of drop, and save cost and reduction of erection time.
Making step of the present utility model is as follows:
(1) construction overhead bridge structure abutment, pours bridge abutment body concrete, abutment of constructing, and backfills abutment foundation foundation ditch; The positioning of pin and embedded work should be performed before abutment concreting;
(2) it is low after smooth platform to put circuit location construction site, carried out at necessary shallow layer foundation reinforcing according to design requirement Reason, after the completion of basement process, is filled by changeover portion design requirement and low after platform puts under circuit support rail beam geotechnique basis, support rail beam after platform Lower geotechnological basic filling construction synchronous with abutment cone.According to each position wire feeding and compaction requirement, changeover portion when filling Scope is synchronous layered with non-changeover portion area to fill, and next layer is filled, until reinforcing bar is mixed At the absolute altitude of solidifying soil support rail beam base plate bottom surface;
(3) irrigate in embankment subgrade cross section, vertical section direction construction drill in reinforced concrete floor bottom surface absolute altitude Stake, i.e. pile foundation bearing structure 3, drilled pile construction should disturb little construction technology using to railway embankment, if necessary in embankment Steel pile casting is set in the range of filled height or draws hole;After cast-in-situ bored pile reaches desired strength, pile crown is amputated by code requirement, Colligation concrete floor and the connection reinforcing bar with stake;
(4) high-strength wearable sliding layer in abutment on is laid with abutment overlap joint in armored concrete support rail beam, according to design Section is long to keeping off platform 91,1 merogenesis formwork erection of armored concrete support rail beam base plate 2 and reinforced concrete beam type structure to joist 90, convex, Each part concrete distinguishes form removal after reaching design strength, backfills face and make inward slant between reinforced concrete beam type structure Weathering and carry out top layer waterproof by design requirement, all kinds of built-in fittings such as pin, sleeper are carried out in one-time-concreting molding before pouring The positioning of pedestal connection reinforcing bar, water conservancy diversion rail bearing built-in fitting etc. and installation;
(5) wear-resisting sliding layer is laid with the overlap joint of bridge abutment 12 on bridge abutment 12 in armored concrete support rail beam 9 16, formwork erection, and one-time-concreting base plate and girder structure concrete are carried out using integral mold plate to armored concrete support rail beam 9, is poured The positioning of built-in fitting (sleeper pedestal connection reinforcing bar, water conservancy diversion rail bearing built-in fitting etc.) is carried out before building and is installed;
(6) construction is low puts 12 joint both sides headwall 13 of circuit bridge abutment, and headwall 13 is applied using concrete one-piece casting Work, waits 13 concrete of headwall to reach form removal after design strength, then puts circuit graded broken stone top by design requirement construction is low The backfill layer in face, confining bed, associated satellite structures, by 12 cone top surface confining bed of design and construction bridge abutment etc., side of constructing Slope protection, drainage system etc..
(7) carry out it is low put circuit and the laying of the elevated structure section of track and the installation of associated satellite engineering and construction, construction finishes Afterwards.
As it will be easily appreciated by one skilled in the art that preferred embodiment of the present utility model is the foregoing is only, not To limit this utility model, all any modifications made within spirit of the present utility model and principle, equivalent and change Enter, should be included within protection domain of the present utility model.

Claims (8)

1. medium-and low-speed maglev two-wire embankment location independence pier stud type support rail beam transition section structure, it is characterised in that hold including pile foundation Carry roadbed filling, support rail beam two under structure, armored concrete support rail beam base plate, two placing of reinforcement concrete beam-type structures, support rail beam Side backfill filler, bridge abutment, trapezoidal filling body and headwall, wherein,
The pile foundation bearing structure is provided with many, is vertically arranged per pile foundation bearing structure described in root, and per stake described in root The armored concrete support rail beam base plate is accepted in the top of base bearing structure;
Accept reinforced concrete beam type structure described in two rows, and the pile foundation in the top of the armored concrete support rail beam base plate The top of bearing structure is embedded in the armored concrete support rail beam base plate and is just connect with which, the armored concrete support rail beam base plate with Often arrange the reinforced concrete beam type structural integrity and pour molding, so as to collectively form armored concrete support rail beam;
Wired weathering section is set between reinforced concrete beam type structure described in two rows, and between the line, weathering section has horizontal The gradient and head fall, for current are introduced two adjacent sections armored concrete support rail beam base plate internode expansion joint further by water Stream is discharged;
Under the support rail beam, roadbed filling is arranged between shallow layer reinforcement area and the armored concrete support rail beam base plate, for Be that the armored concrete support rail beam base plate and support rail beam both sides backfill filler provide operation platform, and knot is carried for the pile foundation Structure provides lateral support;Wherein, the shallow layer reinforcement area is arranged on the superficial floor of soft stratum, and the shallow layer reinforcement area, The vertical consistency of roadbed filling and the reinforced concrete beam type structure under the support rail beam;
The support rail beam both sides backfill filler is accepted by roadbed filling under the support rail beam, and support rail beam both sides backfill Filler props up the both sides of the armored concrete support rail beam base plate, to shield to the armored concrete support rail beam base plate And the transverse shifting of the constraint armored concrete support rail beam base plate, and maintenance passage is provided;
Under the support rail beam, roadbed filling and support rail beam both sides backfill filler collectively form filler filling body, and described filler is filled out Building body both sides are provided with the first weathering;
Roadbed filling under the support rail beam, the shallow layer reinforcement area and institute are sequentially passed through per the lower end of pile foundation bearing structure described in root Stretch into after stating soft stratum in supporting course, so that when soft stratum produces sedimentation, the pile foundation bearing structure can bear negative frictional resistance Power, so as to provide stable bearing capacity to armored concrete support rail beam base plate and reinforced concrete beam type structure, to reduce because filling out The adverse effect that the sedimentation of material filling body is produced to the vertical of armored concrete support rail beam, vertical and horizontal rigidity;
One end of the armored concrete support rail beam base plate is overlapped on the bridge abutment, and both are vertical by pin release To constraint, and limit lateral displacement;
The both sides of one end that the armored concrete support rail beam base plate is overlapped on the bridge abutment are respectively provided with the headwall, and And the headwall per side is abutted with the support rail beam both sides backfill filler of respective side respectively, for the gear shield support rail beam both sides Backfill filler;
The trapezoidal filling body is arranged between shallow layer reinforcement area and the armored concrete support rail beam base plate, itself and the support rail Under beam, roadbed filling is abutted near one end of the bridge abutment, for accepting the armored concrete support rail beam base plate, holding Beam-and-rail both sides backfill filler and headwall;
The trapezoidal filling body both sides are provided with second weathering consistent with the first weathering gradient.
2. independence pier stud type support rail beam transition section structure in medium-and low-speed maglev two-wire embankment location according to claim 1, its It is characterised by, the pile foundation bearing structure is cast-in-situ bored pile, and its top is stretched in the armored concrete support rail beam base plate simultaneously And the steel reinforcement cage of cast-in-situ bored pile is also stretched in the armored concrete support rail beam base plate.
3. independence pier stud type support rail beam transition section structure in medium-and low-speed maglev two-wire embankment location according to claim 1, its It is characterised by, the height of the support rail beam both sides backfill filler is highly equal with the armored concrete support rail beam base plate.
4. independence pier stud type support rail beam transition section structure in medium-and low-speed maglev two-wire embankment location according to claim 1, its It is characterised by, pile foundation bearing structure described in all these is arranged in ranks.
5. independence pier stud type support rail beam transition section structure in medium-and low-speed maglev two-wire embankment location according to claim 1, its It is characterised by, between the line, the cross fall of weathering section is 3%~5%, and head fall is not less than 2 ‰.
6. independence pier stud type support rail beam transition section structure in medium-and low-speed maglev two-wire embankment location according to claim 1, its It is characterised by, the trapezoidal filling body mixes cement production systD using graded broken stone.
7. independence pier stud type support rail beam transition section structure in medium-and low-speed maglev two-wire embankment location according to claim 1, its It is characterised by, the armored concrete support rail beam base plate is overlapped between one end of the bridge abutment and the bridge abutment and sets It is equipped with wear-resisting sliding layer.
8. independence pier stud type support rail beam transition section structure in medium-and low-speed maglev two-wire embankment location according to claim 1, its It is characterised by, the pin includes pre-buried connection reinforcing bar, Colophonium hemp cut and stainless steel sleeve pipe, the pre-buried connection reinforcing bar is located at institute State in stainless steel sleeve pipe and the Colophonium hemp cut is fixedly installed between the two.
CN201621062535.2U 2016-09-15 2016-09-15 Moderate -low speed magnetic levitation double -line location detached pier column type support rail roof beam transition section structure that fills Withdrawn - After Issue CN206127759U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
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CN106283970A (en) * 2016-09-15 2017-01-04 中铁第四勘察设计院集团有限公司 Medium-and low-speed maglev two-wire embankment location detached pier pillar support rail beam transition section structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106283970A (en) * 2016-09-15 2017-01-04 中铁第四勘察设计院集团有限公司 Medium-and low-speed maglev two-wire embankment location detached pier pillar support rail beam transition section structure
CN106283970B (en) * 2016-09-15 2017-11-14 中铁第四勘察设计院集团有限公司 Medium-and low-speed maglev two-wire embankment location independence pier stud type support rail beam transition section structure

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