CN104762873B

CN104762873B - A kind of Abutment implicit expression retractor device and construction method thereof

Info

Publication number: CN104762873B
Application number: CN201510083299.6A
Authority: CN
Inventors: 袁卓亚; 王卫山; 陈军; 刘永健; 王旭; 杜进生; 蒲广宁; 宋彬; 侯登峰; 石雄伟; 高诣民; 舒涛
Original assignee: Xian Highway Research Institute
Current assignee: Xian Highway Research Institute
Priority date: 2015-02-16
Filing date: 2015-02-16
Publication date: 2016-05-25
Anticipated expiration: 2035-02-16
Also published as: CN104762873A

Abstract

The invention discloses a kind of Abutment implicit expression retractor device and construction method thereof, this retractor device comprises the prefabricated telescopic component being laid on abutment expansion joint and is filled in the Expansion Joint filler packed layer of prefabricated telescopic component top; On girder, be covered with deck installation structure, sliding layer is equipped with on girder revealed section upper berth; Abutment upper outside is provided with paving layer, and prefabricated telescopic component comprises put more energy into type transverse joint plate and waveform expansion and contraction plate; Retractor device construction method to be repaired is: original bridge extension joint cleaning, reserved mounting groove construction, sliding layer construction, prefabricated telescopic component Assembling and installation and the construction of Expansion Joint filler packed layer, retractor device construction method to be onstructed is: the prefabricated processing of prefabricated telescopic component, prefabricated telescopic component Assembling, sliding layer construction and prefabricated telescopic component installation and deck installation structure and the construction of Expansion Joint filler packed layer. The present invention is reasonable in design, easy construction and result of use good, can solve the various problems that existing retractor device exists.

Description

A kind of Abutment implicit expression retractor device and construction method thereof

Technical field

The invention belongs to Bridge Expansion Joints Coustruction Technology field, especially relate to a kind of Abutment implicit expression retractor device andConstruction method.

Background technology

Bridge extension joint is for making vehicle steadily by bridge floor and meet the needs of bridge floor distortion, in bridge floor variatorThe device that place arranges. Retractor device is link the weakest in bridge structure, because retractor device directly bears wheel repeatedlyThe percussion of load even if there is very small out-of-flatness, will make this place be severely affected under carload effectEffect, is the most easily destroyed and the replacing that needs repairing. Slightly defect and deficiency in design or construction, will leadCause its early stage damage, this not only directly makes bridge passenger feel uncomfortable, lacks the sense of security, sometimes also can have influence on bridgeThe normal use of structure itself. Cause the general damaged reason of retractor device, except the magnitude of traffic flow increases, heavy vehicle increasesOutside (percussion obviously increases), design, construction and maintenance aspect also can not be ignored, moreover bridge floor is prominent at expansion joint position stiffnessBecome, under the repeated action of fast running vehicular load, had a strong impact on its service life again. Thereby, bridge extension jointRapid wear problem is a great problem of highway communication always. To sum up, because expansion joint long term exposure is in atmosphere, environment for use is dislikedBad, and directly bearing traffic loading, add the defect that design, construction and maintenance aspect exist, make retractor device very easily brokenThe destruction of damaging and causing bridge floor and contignation thereupon; Meanwhile, the inefficacy at expansion joint can increase again vehicular impact power, worsens drivingSituation and bridge force-bearing, form vicious circle.

Conventional retractor device is broadly divided into five large classes by mode of transfer force and construction features, that is: dock, steel supportingFormula, building rubber compound are shearing, modulus supporting type and seamless expansion-contraction devices (containing bridge floor continuous structure). But the flexible dress of existing bridgePut the problems such as inconvenience, stress performance are installed in all existence to some extent and durability is poor, service life is shorter, therefore stretch at presentContracting seam rapid wear problem is not still solved well. Best expansion joint is jointless, thereby bridge seamless process technologyProduce and paid close attention to. But at present, be scarcely out of swaddling-clothes for the research of jointless construction, version is less, and application is subject toRestriction.

Summary of the invention

Technical problem to be solved by this invention is, for above-mentioned deficiency of the prior art, to provide a kind of structure letterSingle, reasonable in design and easy construction, the Abutment implicit expression retractor device that result of use is good.

For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of Abutment implicit expression retractor device, its spyLevy and be: comprise the prefabricated telescopic component on the abutment expansion joint that is laid in institute's construction bridges and be filled in described prefabricated flexible groupThe Expansion Joint filler packed layer of part top, that between the girder that described abutment expansion joint is institute's construction bridges and abutment, stays is flexibleSeam; On described girder, be covered with deck installation structure, the upper outside of described abutment is covered with paving layer and its upper inner isAbutment revealed section, forms install for described prefabricated telescopic component pre-between described deck installation structure and described paving layerStay mounting groove, the vertical bridge of described reserved mounting groove is greater than the spacing between girder and abutment to length, is positioned at institute in described girderThe sections of stating reserved mounting groove below is girder revealed section, and sliding layer is equipped with, described Slipping layers in described girder revealed section upper berthBetween described prefabricated telescopic component and described girder revealed section; Described Expansion Joint filler packed layer is filled in described reserved installationIn groove and its be connected between described deck installation structure and described paving layer, the upper surface of Expansion Joint filler packed layer andThe upper surface homogeneous phase of described deck installation structure and described paving layer is concordant; Described prefabricated telescopic component comprises and is erected on institutePut more energy into type transverse joint plate inner side and being positioned at outside described girder of the type of putting more energy into transverse joint plate on the abutment expansion joint of construction bridges and being connected inReveal the waveform expansion and contraction plate in section, described in put more energy into type transverse joint plate and waveform expansion and contraction plate all lay along direction across bridge;

The described type transverse joint plate of putting more energy into comprises flat plate, is multiplely laid in from left to right opening on flat plate along direction across bridgeHole steel plate rib and multiple tracks are through at the connecting reinforcement of laying on multiple described open pore steel plate ribs and along direction across bridge, multiple described perforate steelRib of slab all along vertical bridge to lay and its structure all identical with size, connecting reinforcement is all laid on same plane described in multiple tracks; InstituteStating open pore steel plate rib is the strip steel plate that is vertical laying with flat plate, and the middle part of open pore steel plate rib has from front to backMultiple through holes that pass for connecting reinforcement described in multiple tracks respectively; The inside and outside both sides of described flat plate are supported in respectively described girderOn revealed section and described abutment revealed section, sliding layer is equipped with on described girder revealed section upper berth, and described Slipping layers is in described prefabricatedBetween telescopic component and described girder revealed section; Described in multiple described open pore steel plate ribs and multiple tracks, connecting reinforcement composition frame-type addsStrength structure, connecting reinforcement is all embedded in Expansion Joint filler packed layer described in multiple tracks;

The outside of described waveform expansion and contraction plate and the inner side of flat plate are fastenedly connected and are integrated, in described waveform expansion and contraction plateSide is anchored on described deck installation structure by multiple anchoring pieces; On described waveform expansion and contraction plate, be provided with multiple WELDING STUDSs, manyIndividual described WELDING STUDS is all embedded in Expansion Joint filler packed layer, and between waveform expansion and contraction plate and Expansion Joint filler packed layer, passes through manyIndividual described WELDING STUDS is fastenedly connected and is integrated.

Above-mentioned a kind of Abutment implicit expression retractor device, is characterized in that: described deck installation structure comprises mats formation on girderConcrete bridge deck pavement layer and the asphalt concrete pavement of mating formation on concrete bridge deck pavement layer, described paving layer bagDraw together the asphalt concrete pavement face of mating formation layer and mat formation and mat formation in concrete road surface on layer in the concrete road surface of mating formation on abutmentLayer; The outer end of described concrete bridge deck pavement layer is provided with the erecting bed of installing for waveform expansion and contraction plate.

Above-mentioned a kind of Abutment implicit expression retractor device, is characterized in that: described in put more energy into type transverse joint plate also comprise be fixed on straightThe vertical wing plate of steel plate inside front, the outside of described flat plate is anchored on abutment by multiple described anchoring pieces; DescribedWaveform expansion and contraction plate comprises corrugated sheet steel, be connected in the vertical connecting plate in corrugated sheet steel outside and be connected in the limit of corrugated sheet steel inner sidePlate, described corrugated sheet steel is fastenedly connected by vertical connecting plate and vertical wing plate, and side plate is anchored in institute by multiple anchoring piecesState on deck installation structure; Multiple described WELDING STUDSs are all laid on corrugated sheet steel.

Above-mentioned a kind of Abutment implicit expression retractor device, is characterized in that: the upper level of described side plate and corrugated sheet steelCrest overhead height is identical, and the upper level of described vertical wing plate is identical with the upper level of side plate, described flat plateBottom surface height identical with the trough bottom level of corrugated sheet steel; Multiple described WELDING STUDSs are quincunx laying, cut described in multiplePower nail is all positioned on the crest of corrugated sheet steel; Between each crest of described corrugated sheet steel and sliding layer, all pad is equipped with a cushionBar.

Above-mentioned a kind of Abutment implicit expression retractor device, is characterized in that: described sliding layer is made up of multiple sliding panels, Duo GesuoState sliding panel and lay from left to right along direction across bridge direction, described sliding panel is that the vertical bridge of rectangular slab and its edge is to laying.

Above-mentioned a kind of Abutment implicit expression retractor device, is characterized in that: described prefabricated telescopic component is integrated support structure or spellingConnect formula member; Described integrated support structure is made up of put more energy into type transverse joint plate and a waveform expansion and contraction plate; Described spliced memberBe spliced by multiple splicing sections, the structure of multiple described splicing sections all identical and its carry out from left to right cloth along direction across bridgeIf each described splicing sections is by put more energy into type transverse joint plate and a waveform expansion and contraction plate composition; In described spliced memberThe quantity of splicing sections is 2N+1, and wherein N is positive integer and N >=1; 2N+1 described splicing sections comprises a middle part sectionsWith 2N sidepiece sections; 2N described sidepiece sections comprises N left side sections and the individual middle part that is positioned at of N that is positioned at sections left side, middle partThe right side sections on sections right side, N described left side sections and N described right side sections are symmetrical laying; Adjacent two institutesThe left side sections that is positioned at right side on the left of stating in sections is pressed on the left side sections that is positioned at left side, in adjacent two described right side sectionsThe right side sections that is positioned at left side is pressed on the right side sections that is positioned at right side.

Above-mentioned a kind of Abutment implicit expression retractor device, is characterized in that: described flat plate is that rectangle and its width are greater thanThe maximum open amount at described abutment expansion joint, described open pore steel plate rib is vertically to laying, and connecting reinforcement is all laid described in multiple tracksAt grade; The outside of described flat plate, open pore steel plate rib and waveform expansion and contraction plate is all enclosed with one deck pitch; Multiple institutesState WELDING STUDS and be all vertically to laying, the structure of multiple described open pore steel plate ribs and size all identical and its be right-angled trapezium steelPlate.

Above-mentioned a kind of Abutment implicit expression retractor device, is characterized in that: described connecting reinforcement is spiral; Described in multiple tracks, connectThe structure and the size that connect reinforcing bar are all identical; Described through hole is circular hole, and the diameter of described connecting reinforcement is less than the aperture of circular hole.

Meanwhile, the invention also discloses a kind of method step simple, realize convenient and the construction period is short, the stretching of construction moldingThe Abutment implicit expression retractor device construction method of compression apparatus stress performance and good endurance, is characterized in that: institute's construction bridges isThe built bridge that need repair bridge extension joint maybe need the bridge extension joint to construct at bridge construction beam, institute constructsRetractor device is for being positioned at the retractor device to be repaired at the expansion joint place of staying on the girder of built bridge or being located at the master of bridge construction beamOn beam, stay the retractor device to be onstructed at expansion joint place;

In the time that institute's construction bridges retractor device is retractor device to be repaired, the residing expansion joint of described retractor device to be repairedFor the expansion joint to be repaired of staying between the girder of described built bridge and abutment, the work progress of described retractor device to be repairedAs follows:

Step 101, the cleaning of original bridge extension joint: the original bridge extension joint to described expansion joint to be repaired carries outCleaning, the girder upper berth of described built bridge has described deck installation structure and its abutment upper berth to have described paving layer;

Step 102, reserved mounting groove construction: to being positioned at deck installation structure and the road surface of both sides, described expansion joint to be repairedThe layer of mating formation cuts respectively, obtains the girder revealed section and the abutment revealed section that are positioned at both sides, described expansion joint to be repaired;

In this step, the region that cuts of described deck installation structure and described paving layer is for described to be repaired flexibleThe reserved mounting groove that the prefabricated telescopic component of device is installed;

Step 103, the construction of girder sliding layer: the sliding layer of mating formation on the revealed section of girder described in step 102;

Step 104, prefabricated telescopic component Assembling and installation: each by described prefabricated telescopic component good prefabricationMember is transported to described built bridge present position and assembles, and obtains the described prefabricated telescopic component of assembled formation, described inIn the size of prefabricated telescopic component and step 102, construct and reserve the consistent size of mounting groove; After having assembled, by assembled formationDescribed prefabricated telescopic component be mounted in the reserved mounting groove of constructing in step 102;

Step 105, the construction of Expansion Joint filler packed layer: after described prefabricated telescopic component installation, in described reserved peaceIn tankage, fill Expansion Joint filler, and obtain the Expansion Joint filler packed layer of construction molding; Described Expansion Joint filler packed layer positionIn described prefabricated telescopic component top, and the deck installation structure that spreads and bridge on the upper surface of Expansion Joint filler packed layer and girderOn platform, pave mat formation layer upper surface homogeneous phase concordant;

In the time that institute's construction bridges retractor device is retractor device to be onstructed, the residing expansion joint of described retractor device to be onstructedFor the expansion joint to be onstructed of staying between the described girder at bridge construction beam and abutment, the work progress of described retractor device to be onstructedAs follows:

Step 201, the prefabricated processing of prefabricated telescopic component: according to the processing dimension designing in advance, stretch to be onstructed in factoryContracting seam place is installed each member of prefabricated telescopic component and is processed respectively; Adopt again described pre-by machine-shaping of transporting equipmentEach member of telescopic component processed, is transported to the described construction location at bridge construction beam;

What the prefabricated telescopic component that wherein, install in place, expansion joint to be onstructed was described retractor device to be onstructed is prefabricated flexibleAssembly;

Step 202, prefabricated telescopic component Assembling: the each member to prefabricated telescopic component described in step 201 carries outAssembling, the described prefabricated telescopic component of acquisition assembled formation;

The construction of step 203, girder sliding layer: according to the vertical bridge of prefabricated telescopic component described in step 202 to length, and knotClose the joint gap between girder and abutment, the vertical bridge of the girder revealed section to girder is determined to length; Afterwards, according to instituteThe vertical bridge of definite girder revealed section is to length, the sliding layer of mating formation on described girder revealed section;

Step 204, prefabricated telescopic component installation and deck installation structure, paving layer and Expansion Joint filler packed layer are executedWork: the described deck installation structure of mating formation on girder, and at the upper outside of the abutment described paving layer of mating formation, simultaneously in instituteState prefabricated telescopic component described in installation steps 202 on girder revealed section and abutment, and prefabricated flexible group of installationExpansion Joint filler is filled in part top, obtains the Expansion Joint filler packed layer of construction molding;

Described prefabricated telescopic component is positioned at the deck installation structure that spreads on girder and the upper outside Suo Pu road of abutmentFace is mated formation between layer, and described Expansion Joint filler packed layer and described deck installation structure and described paving layer are connected to oneBody, and the upper surface of described Expansion Joint filler packed layer and described deck installation structure and described paving layer upper surface homogeneous phaseConcordant.

Said method, is characterized in that: described built bridge and the described deck paving knot spreading on the girder of bridge construction beamThe asphalt concrete pavement that structure includes concrete bridge deck pavement layer and mats formation on concrete bridge deck pavement layer, multiple described anchorsFirmware is all anchored on concrete bridge deck pavement layer; Described built bridge and the described road surface paving spreading on the abutment of bridge construction beamDress layer includes the pitch coagulation of mating formation layer and mat formation and mat formation in concrete road surface on layer in the concrete road surface of mating formation on abutmentSoil surface surface layer;

While reserving mounting groove construction in step 102, to the concrete bridge deck pavement spreading on described girder revealed sectionLayer and asphalt concrete pavement all cut, and are mated formation layer and drop in the concrete road surface spreading on described abutment revealed section simultaneouslyBlue or green concrete road surface surface layer all cuts;

Before carrying out the construction of girder sliding layer in step 103, first the upper surface of the revealed section of girder described in step 102 is enteredRow leveling;

Before carrying out the construction of girder sliding layer in step 203, first the upper surface of described girder revealed section carry out levelling placeReason;

In step 204, carrying out prefabricated telescopic component installation and deck installation structure, paving layer and Expansion Joint filler fills outWhile filling layer construction, the concrete bridge deck pavement layer of first mating formation on the girder of inner side, expansion joint to be onstructed, and at expansion joint to be onstructedThe upper outside of abutment in the outside concrete road surface layer of mating formation of mating formation; Treat concrete bridge deck pavement layer and the concrete road surface layer of mating formationAfter having constructed, prefabricated telescopic component described in step 202 is installed; After described prefabricated telescopic component installation,Asphalt concrete pavement and asphalt concrete pavement surface are mated formation respectively, and asphalt concrete pavement and bituminous concreteWhen top course is mated formation, Expansion Joint filler packed layer is constructed.

The present invention compared with prior art has the following advantages:

1, simple in structure, reasonable in design and drop into construction cost lower, mainly comprise flat plate, open pore steel plate rib, companyConnect the members such as reinforcing bar, waveform expansion and contraction plate, WELDING STUDS, elastic cushion block, and each component form is simple, is conventional components in engineering, eachThe connected mode of member is bolt or welding, and wherein flat plate, open pore steel plate rib and connecting reinforcement form the type transverse joint plate of putting more energy into.

2, prefabricated telescopic component is made up of the put more energy into waveform expansion and contraction plate of type transverse joint plate inner side of the type transverse joint plate and being connected in of putting more energy into,Each member of prefabricated telescopic component is all prefabricated in the factory, and machining accuracy is easy to ensure, and process easy, on-the-spot only need be to processingEach member of moulding is assembled, and actual installation is easy. And, also prefabricated telescopic component can be drawn along bridge deck width directionDivide multiple standard sections (being multiple splicing sections), prefabrication is simple, on-the-spot easy for installation. Wherein, put more energy into type transverse joint plate acrossBe contained between girder and abutment, it is simple in structure. Reasonable in design and stressed effect good, this type transverse joint plate of putting more energy into comprises straight steelPlate, multiple open pore steel plate rib and multiple tracks being laid in from left to right on flat plate along direction across bridge are through on multiple open pore steel plate ribsAnd the connecting reinforcement of laying along direction across bridge, multiple open pore steel plate ribs and multiple tracks connecting reinforcement composition frame-type reinforcing structure, and manyRoad connecting reinforcement is all embedded in Expansion Joint filler packed layer, and the processing of frame-type reinforcing structure is easy and result of use good, can be effectiveStrengthen the rigidity of bridge floor in position, expansion joint, and can meet dilatation demand, can effectively avoid bridge floor to send out in position, expansion jointRaw rigidity sudden change.

3, reliable construction quality, the crudy of the prefabricated telescopic component of prefabrication moulding is easy to ensure and be convenient to fortuneDefeated, can effectively avoid construction error.

4, input cost is lower, and the Expansion Joint filler adopting is conventional road material, easily obtains making, transporterJust, input cost is lower; And Expansion Joint filler and deck paving formation of structure non-individual body, make driving steadily comfortable, avoids wrongPlatform, the situations such as car, impact of jumping occur.

5, prefabricated telescopic component both can adopt integrated support structure, also can adopt spliced member, in advance pre-in factorySystem processes, and crudy is easy to ensure and be convenient to transport, can effectively avoid construction error, and on-the-spot easy for installation. AndAnd adaptable, the quantity and the transverse width that splice sections by adjusting in prefabricated telescopic component adapt to different bridge floorsWidth demand, realizes different stretching by put more energy in prefabricated telescopic component type transverse joint plate and the longitudinal length of waveform expansion and contraction plateAmount, each splicing sections of prefabricated telescopic component can need to design and be made into different models according to routine, forms standard sections,To Industry Promotion, to be applicable to wide, the different bridge structure across footpath of different bridges.

6, waterproof and good endurance, prefabricated telescopic component and Expansion Joint filler packed layer form two-layer closely knit waterproof structureMake, water resistance is good, has further improved durability and the service life of retractor device. And, Expansion Joint filler packed layer instituteThe pointing adopting is conventional road material, easily obtains, and input cost cost is lower.

7, good, the reasonable stress of result of use and stress performance is good, long service life, the type transverse joint plate of putting more energy into is placed on girderAnd between abutment, can effectively ensure the vertical rigidity of expansion joint seam crossing; Ripple expansion plate is placed on girder revealed section, and addsBetween strength type transverse joint plate and ripple expansion plate and girder revealed section, be provided with sliding layer, and it is lubricated to smear butter, deformability is strong,Level, vertical displacement, longitudinal extension distortion and little rotational deformation that can simultaneous adaptation bridge superstructure need, and have fineTelescopicing performance, can solve the rapid wear problem of current bridge expanssion joint.

8, design ingeniously, utilize rigidity attachment strap (type of putting more energy into transverse joint plate) and high scalability corrugated sheet (being waveform expansion and contraction plate)Be combined to form prefabricated telescopic component, the stroke of bridge main beam and abutment is transferred to waveform expansion and contraction plate, absorb little with large widthDistortion; And, utilize the slip of prefabricated telescopic component and sliding layer, stroke is transferred to corrugated steel section; Prefabricated telescopic componentUpper making Expansion Joint filler packed layer, arranges WELDING STUDS and strengthens the compatibility of deformation of prefabricated telescopic component and Expansion Joint filler packed layerProperty and the property received of stroke, design ingenious rationally; Space, waveform expansion and contraction plate below in prefabricated telescopic component embeds rubber strip,There is vertical supporting effect.

9, short construction period, avoided traditional expansion joint need meet the problem of the age of concrete, is applicable to burst accidentRob fast logical.

10, change conveniently, can not change girder and the abutment construction of institute's construction bridges, do not relate to bridge floor bar-mat reinforcement, changeOnly need deck paving structure and the paving layer at expansion joint place to carry out Local treatment. When practice of construction, can be to flexibleThe deck paving structure at seam place carries out segment processing, thereby actual treatment is very easy.

11, easy construction when practice of construction, is first laid sliding panel on girder revealed section, then the coagulation of mating formation on girderSoil bridge deck pavement, the concrete road surface of simultaneously mating formation on the abutment layer of mating formation, and supply in concrete bridge deck pavement layer arranged outsideThe faulting of slab ends that prefabricated telescopic component supports, the concrete bridge deck pavement layer of mating formation is positioned at sliding panel inner side; Afterwards, expose at girderPrefabricated telescopic component is installed on the sliding panel of laying in section, and is welded on the ripple expansion plate of installed prefabricated telescopic componentFixing multiple WELDING STUDSs inject lubricating oil (being specially butter) simultaneously between installed prefabricated telescopic component and sliding panel, noteThe object that enters lubricating oil is that the upper surface (being sliding surface) to sliding panel is lubricated, simultaneously can be to prefabricated telescopic component and cunningMoving plate carries out effective maintenance; Subsequently, between prefabricated telescopic component and sliding panel, embed rubber strip; Then, at mated formation coagulationMaking bridge floor surface layer (being asphalt concrete pavement) on soil bridge deck pavement; Finally, on installed prefabricated telescopic component, fill outFill Expansion Joint filler packed layer.

12, simple, the reasonable in design and easy construction of construction method step, the construction period is short, construction effect good, and institute is constructed intoBridge floor seamless process retractor device stress performance and the good endurance of type, and long service life. When practice of construction, can to forThe expansion joint to be onstructed construction of newly building bridge, also can be used for the expansion joint to be repaired construction in the transformation of Jiu Qiao expansion joint.

13, practical value is high and widely applicable, can be applicable to different from footpath, the wide bridge structure of different bridge; Meanwhile, availableIn across an expansion joint, also can be used for the expansion joint of Abutment. In addition, the present invention can be used for newly building bridge, also can be used for old bridge and stretchesThe transformation of contracting seam. Meanwhile, the present invention have that prefabricated telescopic component is simple in structure, the quantity of respectively splicing sections and transverse width adjustable withAnd the advantage such as continuity between Expansion Joint filler packed layer and deck paving structure, can overcome bridge expanssion joint place and be prone toBridge floor out-of-flatness, faulting of slab ends, the situation such as twisted, expansion joint is irregular.

In sum, simple in structure, the reasonable in design and easy construction of the present invention, result of use are good, can effectively solve existingProblem that installation inconvenience, stress performance and durability that retractor device exists are poor, service life is shorter etc., has input costLow, simple installation, stress performance are good, good endurance, the advantage such as practical.

Below by drawings and Examples, technical scheme of the present invention is described in further detail.

Brief description of the drawings

Fig. 1 is use state reference map of the present invention.

Fig. 2 is that vertical bridge of the present invention is to section structure schematic diagram.

The structural representation that Fig. 3 is prefabricated telescopic component that the present invention adopts.

Put more energy into for the present invention the adopts structural representation of type transverse joint plate of Fig. 4.

Fig. 5 adopts the cross-sectional configuration schematic diagram of waveform expansion and contraction plate for the present invention.

Fig. 6 adopts the structural representation of waveform expansion and contraction plate and WELDING STUDS for the present invention.

Fig. 7 adopts the structural representation of isosceles trapezoid rubber strip for the present invention.

Fig. 8 adopts the structural representation of right-angled trapezium rubber strip for the present invention.

The installation position schematic diagram that Fig. 9 is sliding panel that the present invention adopts.

The direction across bridge structural representation that Figure 10 is spliced steel plateelement that the present invention adopts.

Figure 11 is the method flow block diagram of the present invention when retractor device to be repaired is constructed.

Figure 12 is the method flow block diagram of the present invention when retractor device to be onstructed is constructed.

Description of reference numerals:

1-the type of putting more energy into transverse joint plate; 1-1-flat plate; 1-2-vertical wing plate;

1-3-open pore steel plate rib; 1-4-circular hole; 1-5-the first bolt mounting holes;

2-waveform expansion and contraction plate; 2-1-corrugated sheet steel; 2-2-vertical connecting plate;

2-3-side plate; 2-4-anchor hole; 2-5-the second bolt mounting holes;

3-Expansion Joint filler packed layer; 4-WELDING STUDS; 5-spiral;

6-fastening bolt; 7-anchoring piece; 8-1-isosceles trapezoid rubber strip;

8-2-right-angled trapezium rubber strip; 9-sliding layer; 9-1-sliding panel;

10-1-concrete bridge deck pavement layer; 10-2-asphalt concrete pavement;

11-girder; 12-abutment; 13-1-middle part sections;

13-2-sidepiece sections; 14-1-concrete bridge deck pavement layer;

14-2-asphalt concrete pavement.

Detailed description of the invention

Abutment implicit expression retractor device as shown in Figure 1, Figure 2 and Figure 3, comprises that the abutment that is laid in institute's construction bridges stretchesThe prefabricated telescopic component of sewing on and the Expansion Joint filler packed layer 3 that is filled in described prefabricated telescopic component top, described abutment is stretchedThe expansion joint of staying between the girder 11 that contracting seam is institute's construction bridges and abutment 12; On described girder 11, be covered with deck paving knotStructure, the upper outside of described abutment 12 is covered with paving layer and its upper inner is abutment revealed section, described deck paving knotBetween structure and described paving layer, form the reserved mounting groove of installing for described prefabricated telescopic component, described reserved mounting grooveVertical bridge is greater than the spacing between girder 11 and abutment 12 to length, is positioned at the joint of described reserved mounting groove below in described girder 11Section is girder revealed section, and sliding layer 9 is equipped with on described girder revealed section upper berth, and described sliding layer 9 is positioned at described prefabricated telescopic componentAnd between described girder revealed section; Described Expansion Joint filler packed layer 3 is filled in described reserved mounting groove and it is connected in instituteState between deck installation structure and described paving layer the upper surface of Expansion Joint filler packed layer 3 and described deck paving knotThe upper surface homogeneous phase of structure and described paving layer is concordant; Described prefabricated telescopic component comprises the abutment that is erected on institute's construction bridgesThe type of putting more energy into transverse joint plate 1 on expansion joint is put more energy into type transverse joint plate 1 inner side and is positioned at the waveform on described girder revealed section with being connected inExpansion plate 2, described in put more energy into type transverse joint plate 1 and waveform expansion and contraction plate 2 all lay along direction across bridge. Wherein, between girder 11 and abutment 12Spacing be the spacing distance between girder 11 and abutment 12, i.e. joint gap between girder 11 and abutment 12.

As shown in Figure 4, the type of putting more energy into described in transverse joint plate 1 comprises flat plate 1-1, is multiplely laid in from left to right along direction across bridgeIt is upper and lay along direction across bridge that open pore steel plate rib 1-3 on flat plate 1-1 and multiple tracks are through at multiple described open pore steel plate rib 1-3Connecting reinforcement, multiple described open pore steel plate rib 1-3 all along vertical bridge to lay and its structure all identical with size, connect described in multiple tracksReinforcing bar is all laid on same plane. Described open pore steel plate rib 1-3 is the strip steel that is vertical laying with flat plate 1-1Plate, and the middle part of open pore steel plate rib 1-3 has multiple through holes that pass for connecting reinforcement described in multiple tracks respectively from front to back. DescribedThe inside and outside both sides of flat plate 1-1 are supported in respectively on described girder revealed section and described abutment revealed section, and described girder exposesSliding layer 9 is equipped with on section upper berth, and described sliding layer 9 is between described prefabricated telescopic component and described girder revealed section; Multiple institutesState connecting reinforcement composition frame-type reinforcing structure described in open pore steel plate rib 1-3 and multiple tracks, connecting reinforcement is all embedded in and stretches described in multiple tracksIn contracting seam filler packed layer 3.

As shown in Figure 5, Figure 6, the inner side of the outside of described waveform expansion and contraction plate 2 and flat plate 1-1 is fastenedly connected and is integrated,The inner side of described waveform expansion and contraction plate 2 is anchored on described deck installation structure by multiple anchoring pieces 7. Described waveform expansion and contraction plate 2On be provided with multiple WELDING STUDSs 4, multiple described WELDING STUDSs 4 are all embedded in Expansion Joint filler packed layer 3, and waveform expansion and contraction plate 2 withBetween Expansion Joint filler packed layer 3, be fastenedly connected and be integrated by multiple described WELDING STUDSs 4.

In the present embodiment, described deck installation structure comprise the concrete bridge deck pavement layer 10-1 that mat formation on girder 11 andThe asphalt concrete pavement 10-2 mating formation on concrete bridge deck pavement layer 10-1, described paving layer comprises mats formation at abutmentThe asphalt concrete pavement surface of mating formation layer 14-1 and mat formation and mat formation on layer 14-1 in concrete road surface in concrete road surface on 1214-2. The outer end of described concrete bridge deck pavement layer 10-1 is provided with the erecting bed of installing for waveform expansion and contraction plate 2. Multiple described anchorsFirmware 7 is all anchored on concrete bridge deck pavement layer 10-1.

In the present embodiment, described girder 11 is reinforced beam, and abutment 12 is armored concrete abutment. Practice of constructionTime, described girder 11 can be also girder steel.

In the present embodiment, on described abutment 12, be provided with ear wall, described prefabricated telescopic component is positioned at girder revealed section and instituteState on ear wall. Described paving layer is mated formation on described ear wall.

As shown in Figure 4, described flat plate 1-1 is rectangular steel plates. And multiple described open pore steel plate rib 1-3 all weldBe fixed on flat plate 1-1.

In the present embodiment, described connecting reinforcement is spiral 5.

And structure and the size of connecting reinforcement is all identical described in multiple tracks. Described through hole is circular hole 1-4, described connection steelThe diameter of muscle is less than the aperture of circular hole 1-4.

In the present embodiment, described connecting reinforcement is one whole reinforcing bar or for to be spliced from front to back by multiple reinforcing bar sectionsSpliced reinforcing bar, described in former and later two between reinforcing bar sections in colligation mode or be fixedly connected with welding manner.

Meanwhile, the type transverse joint plate 1 of putting more energy into described in also comprises the vertical wing plate 1-2 that is fixed on flat plate 1-1 inside front, instituteThe outside of stating flat plate 1-1 is anchored on abutment 12 by multiple described anchoring pieces 7. In the present embodiment, described waveform expansion and contractionPlate 2 comprises corrugated sheet steel 2-1, is connected in the vertical connecting plate 2-2 in corrugated sheet steel 2-1 outside and is connected in corrugated sheet steel 2-1The side plate 2-3 of side, described corrugated sheet steel 2-1 is fastenedly connected by vertical connecting plate 2-2 and vertical wing plate 1-2, and side plate 2-3 is logicalCrossing multiple anchoring pieces 7 is anchored on described deck installation structure; Multiple described WELDING STUDSs 4 are all laid on corrugated sheet steel 2-1.

In the present embodiment, described in put more energy into and all undertaken by multiple fastening bolts 6 between type transverse joint plate 1 and waveform expansion and contraction plate 2Connect. The described type transverse joint plate 1 of putting more energy into is laid at grade with waveform expansion and contraction plate 2.

In the present embodiment, described anchoring piece 7 is standing screw. And, the height of described standing screw and concrete bridge deckThe thickness of layer 10-1 of mating formation is identical.

When actual use, described anchoring piece 7 also can adopt the anchoring element of other type, as crab-bolt etc.

Because connecting reinforcement described in multiple described WELDING STUDSs 4 and multiple tracks is all embedded in Expansion Joint filler packed layer 3, thereby instituteState put more energy into type transverse joint plate 1 and waveform expansion and contraction plate 2 by connecting reinforcement and Expansion Joint filler described in multiple described WELDING STUDSs 4 and multiple tracksPacked layer 3 is fastenedly connected and is integrated.

In the present embodiment, multiple described open pore steel plate rib 1-3 are even laying. And connecting reinforcement is equal described in multiple tracksEven laying.

When practice of construction, the company between the concrete bridge deck pavement layer 10-1 spreading on described girder revealed section and girder 11Meet place and form the first faulting of slab ends, described the first faulting of slab ends is the mounting groove of installing for waveform expansion and contraction plate 2; Described concrete bridge deck pavement layerJunction between 10-1 and asphalt concrete pavement 10-2 and concrete road surface mat formation layer 14-1 and asphalt concrete pavementJunction between surface layer 14-2 all forms the second faulting of slab ends, between two described the second faulting of slab ends, forms Expansion Joint filler packed layer 3Build groove.

As shown in Figure 9, described sliding layer 9 is made up of multiple sliding panel 9-1, and multiple described sliding panel 9-1 are along direction across bridge sideTo laying from left to right, described sliding panel 9-1 is that the vertical bridge of rectangular slab and its edge is to laying.

Described sliding panel 9-1 is that upper surface is smooth and be fixed on the steel plate on described girder revealed section. In the present embodiment, manyThe structure of individual described sliding panel 9-1 and size all identical and its be interval lay. Multiple described sliding panel 9-1 are laid in same flatOn face.

In the present embodiment, described sliding panel 9-1 is strip slide plate. And, multiple described sliding panel 9-1 all along vertical bridge toLay.

In the present embodiment, described sliding panel 9-1 pastes and is fixed on described girder revealed section.

When practice of construction, when sliding panel 9-1 is fixed, first adopt cement mortar solid to needing on described girder revealed sectionDetermine the position of sliding panel 9-1 and carry out levelling, described sliding panel 9-1 is the sheet metal that thickness is less.

In the present embodiment, between each crest of described corrugated sheet steel 2-1 and sliding layer 9, all pad is equipped with an elastic spacer.

In the present embodiment, described elastic spacer is rubber strip, and described rubber strip is pasted and fixed on corrugated sheet steel 2-1On.

When actual use, also can adopt the elastic strip of other type.

In the present embodiment, described rubber strip is that cross section is that isosceles trapezoid rubber strip 8-1 or the cross section of isosceles trapezoid isThe right-angled trapezium rubber strip 8-2 of right-angled trapezium, refers to Fig. 7 and Fig. 8. Wherein, described isosceles trapezoid rubber strip 8-1 pastes and embedsThe each crest below of corrugated sheet steel 2-1, described right-angled trapezium rubber strip 8-2 paste and embed corrugated sheet steel 2-1 with vertically connectIn the adjacent crest of fishplate bar 2-2.

In actual use procedure, described rubber strip also can adopt the elastic spacer of other type.

In the present embodiment, two base angles of described isosceles trapezoid rubber strip 8-1 are 60 °, right-angled trapezium rubber strip 8-2'sTwo base angles are respectively 60 ° and 90 °.

The height of described isosceles trapezoid rubber strip 8-1 and right-angled trapezium rubber strip 8-2 identical and the two be highly all not less thanSpacing between the crest of corrugated sheet steel 2-1 and sliding layer 10, i.e. isosceles trapezoid rubber strip 8-1 and right-angled trapezium rubber strip 8-2Height be all not less than the wave height of corrugated sheet steel 2-1. In the present embodiment, described isosceles trapezoid rubber strip 8-1 and right-angled trapezium rubberThe height of adhesive tape 8-2 is 8cm left and right. The length of described rubber strip is slightly shorter than the direction across bridge width of waveform expansion and contraction plate 2.

And described flat plate 1-1 is the maximum open amount that rectangle and its width are greater than described abutment expansion joint, instituteState open pore steel plate rib 1-3 and be vertically to laying, connecting reinforcement is all laid on same plane described in multiple tracks, and corrugated sheet steel 2-1For profiled sheet.

The stroke maximum that the width of described flat plate 1-1 is greater than described abutment expansion joint (is that described abutment is flexibleThe maximum open amount of seam), the width of flat plate 1-1 described herein refers to the vertical bridge of described flat plate 1-1 to length.

In the present embodiment, described corrugated sheet steel 2-1 comprises upper elongated plates at grade of multiple layings and multipleLay lower elongated plates at grade, described upper elongated plates and described lower elongated plates are and are laid staggeredly, Mei GesuoState lower elongated plates and two is all undertaken by a strip connecting plate between stripe board on its left and right sides describedConnect.

The vertical connecting plate 2-2 of described waveform expansion and contraction plate 2 and described vertical wing plate 1-2 are close to, and waveform expansion and contraction plate 2 is perpendicularBe fastenedly connected with vertical wing plate 1-2 by multiple fastening bolts 6 respectively to connecting plate 2-2. And, multiple described fastening bolts 6Be laid in same row upper and its lay from left to right along direction across bridge. Correspondingly, on described vertical wing plate 1-2, all have a row for manyThe first bolt mounting holes 1-5 that individual described fastening bolt 6 is installed. In the present embodiment, described flat plate 1-1 is rectangular flat.Described flat plate 1-1 straddles between the concrete bridge deck pavement layer 10-1 spreading on described girder revealed section and girder 11Top, junction.

In the present embodiment, the upper level of described side plate 2-3 is identical with the crest overhead height of corrugated sheet steel 2-1, instituteThe upper level of stating vertical wing plate 1-2 is identical with the upper level of side plate 2-3, the bottom surface height of described flat plate 1-1Identical with the trough bottom level of corrugated sheet steel 2-1.

In conjunction with Fig. 5 and Fig. 6, described waveform expansion and contraction plate 2 is rectangle. In the present embodiment, multiple described WELDING STUDSs 4 are quincunxLay, multiple described WELDING STUDSs 4 are all positioned on the crest of corrugated sheet steel 2-1.

Actually add man-hour, described waveform expansion and contraction plate 2 is formed by a monoblock steel plate compacting, and described side plate 2-3 is straight plate, instituteState the upper interleaved anchor hole 2-4 that has two rows to install for anchoring piece 7 of side plate 2-3, on described vertical connecting plate 2-2, have a row and supplyThe second bolt mounting holes 2-5 that fastening bolt 6 is installed; The wave height phase of the height of described vertical connecting plate 2-2 and corrugated sheet steel 2-1With. The ripple direction of described corrugated sheet steel 2-1 is direction across bridge. Described waveform expansion and contraction plate 2 is mill work, need carry out surface layerReason, as outer wrapping one deck pitch.

In the present embodiment, the outside of described flat plate 1-1, open pore steel plate rib 1-3 and waveform expansion and contraction plate 2 is all enclosed with oneLayer pitch. After parcel pitch, not only make the antiseptic power of flat plate 1-1, open pore steel plate rib 1-3 and waveform expansion and contraction plate 2 increaseBy force, and make the combination effect of flat plate 1-1, open pore steel plate rib 1-3 and waveform expansion and contraction plate 2 and Expansion Joint filler packed layer 3Better, globality is stronger.

In the present embodiment, multiple described WELDING STUDSs 4 are quincunx laying, and multiple described WELDING STUDSs 4 are all positioned at corrugated sheet steelOn the crest of 2-1.

Described prefabricated telescopic component is integrated support structure or spliced member. Described integrated support structure by one put more energy into type acrossSeam plate 1 and two waveform expansion and contraction plates 2 form. As shown in figure 10, described spliced member is spliced by multiple splicing sections, manyThe structure of individual described splicing sections all identical and its lay from left to right along direction across bridge, each described splicing sections is by oneIndividual type transverse joint plate 1 and two the waveform expansion and contraction plates 2 of putting more energy into form; The quantity of splicing sections in described spliced member is 2N+1,Wherein N is positive integer and N >=1; 2N+1 described splicing sections comprises a middle part sections 13-1 and 2N sidepiece sections 13-2;2N described sidepiece sections 13-2 comprises N left side sections and the individual middle part sections 13-that is positioned at of N that is positioned at sections 13-1 left side, middle partThe right side sections on 1 right side, N described left side sections and N described right side sections are symmetrical laying; Adjacent two described left sidesThe left side sections that is positioned at right side in side sections is pressed on the left side sections that is positioned at left side, in adjacent two described right side sections, is positioned atThe right side sections in left side is pressed on the right side sections that is positioned at right side.

When practice of construction, when the bridge deck width of institute's construction bridges hour, described prefabricated telescopic component adopts monoblock type structurePart; In the time that the bridge deck width of institute's construction bridges is larger (as in the time that institute's construction bridges is double width bridge), described prefabricated telescopic componentAdopt spliced member. Described Integral Steel plate is made up of put more energy into type transverse joint plate 1 and a waveform expansion and contraction plate 2.

In the present embodiment, N=2.

When practice of construction, can be according to specific needs, in the value size to N and described spliced steel plateelement, institute comprises each steelThe direction across bridge width of plate sections adjusts accordingly.

In the present embodiment, adjacent two described splicing sections mutually overlap in direction across bridge direction.

In the present embodiment, described middle part sections 13-1 is positioned at 2N described sidepiece sections 13-2 top; N described left side jointThe left side sections that is positioned at the rightmost side in section is right-hand member sections, is positioned at the right side sections of the leftmost side for left in N described right side sectionsEnd sections; The two ends, left and right of described middle part sections 13-1 are pressed in respectively on described right-hand member sections and described left end sections, left and right phaseThe left side sections that is positioned at right side in adjacent two described left side sections is pressed on the left side sections that is positioned at left side, adjacent two institutes in left and rightStating the right side sections that is positioned at left side in the sections of right side is pressed on the right side sections that is positioned at right side. Like this, can realize expansion joint of living inThe water-proof drainage object of position Expansion Joint filler packed layer 3.

When practice of construction, in the time that described prefabricated telescopic component adopts integrated support structure, described flat plate 1-1 is horizontal clothIf connecting reinforcement is laid in same level described in multiple tracks.

In the present embodiment, multiple described WELDING STUDSs 4 are all vertically to laying, the structure of multiple described open pore steel plate rib 1-3With size all identical and its be right-angled trapezium steel plate.

When practice of construction, institute's construction bridges is that the built bridge that need repair bridge extension joint maybe needs bridge to stretchCompression apparatus construct at bridge construction beam, institute's construction retractor device is for being positioned at the treating of expansion joint place of staying on the girder of built bridgeRepair retractor device or be located at the retractor device to be onstructed at the expansion joint place of staying on the girder of bridge construction beam. The expansion joint of constructing dressBe set to seamless expansion-contraction devices between the girder of built-in corrugated steel plate and abutment.

As shown in figure 11, in the time that institute's construction bridges retractor device is retractor device to be repaired, described retractor device to be repairedThe expansion joint to be repaired of staying between the girder 11 that residing expansion joint is described built bridge and abutment 12, described to be repaired stretchingThe work progress of compression apparatus is as follows:

Step 101, the cleaning of original bridge extension joint: the original bridge extension joint to described expansion joint to be repaired carries outCleaning, girder 11 upper berths of described built bridge have described deck installation structure and its abutment 12 upper berths to have described pavingLayer;

Step 103, the construction of girder sliding layer: the sliding layer 9 of mating formation on the revealed section of girder described in step 102;

Step 105, the construction of Expansion Joint filler packed layer: after described prefabricated telescopic component installation, in described reserved peaceIn tankage, fill Expansion Joint filler, and obtain the Expansion Joint filler packed layer 3 of construction molding; Described Expansion Joint filler packed layer 3Be positioned at described prefabricated telescopic component top, and institute's paving deck paving knot on the upper surface of Expansion Joint filler packed layer 3 and girder 11Structure with on abutment 12, pave mat formation layer upper surface homogeneous phase concordant.

As shown in figure 12, in the time that institute's construction bridges retractor device is retractor device to be onstructed, described retractor device to be onstructedThe to be onstructed expansion joint of residing expansion joint for staying between the described girder 11 at bridge construction beam and abutment 12, described to be onstructed stretchingThe work progress of compression apparatus is as follows:

The construction of step 203, girder sliding layer: according to the vertical bridge of prefabricated telescopic component described in step 202 to length, and knotClose the joint gap between girder 11 and abutment 12, the vertical bridge of the girder revealed section to girder 11 is determined to length; Afterwards,According to the vertical bridge of determined girder revealed section to length, the sliding layer 9 of mating formation on described girder revealed section;

Step 204, prefabricated telescopic component installation and deck installation structure, paving layer and Expansion Joint filler packed layer are executedWork: the described deck installation structure of mating formation on girder 11, and at the upper outside of the abutment 12 described paving layer of mating formation, simultaneouslyPrefabricated telescopic component described in installation steps 202 on described girder revealed section and abutment 12, and prefabricated in installationExpansion Joint filler is filled in telescopic component top, obtains the Expansion Joint filler packed layer 3 of construction molding;

Described prefabricated telescopic component is positioned at the deck installation structure that spreads on girder 11 and the upper outside of abutment 12 spreadsPaving layer between, described Expansion Joint filler packed layer 3 is connected with described deck installation structure and described paving layerBe integrated, and show on the upper surface of described Expansion Joint filler packed layer 3 and described deck installation structure and described paving layerFace homogeneous phase is concordant.

In the present embodiment, described built bridge and the described deck installation structure spreading on the girder 11 of bridge construction beam all wrapThe asphalt concrete pavement 10-2 that draws together concrete bridge deck pavement layer 10-1 and mat formation on concrete bridge deck pavement layer 10-1, multipleDescribed anchoring piece 7 is all anchored on concrete bridge deck pavement layer 10-1; Described built bridge and the described abutment 12 at bridge construction beamOn the paving layer that spreads include mat formation layer 14-1 and mating formation at concrete road of the concrete road surface of mating formation on abutment 12The face asphalt concrete pavement surface 14-2 on layer 14-1 that mats formation.

While reserving mounting groove construction in step 102, to the concrete bridge deck pavement spreading on described girder revealed sectionLayer 10-1 and asphalt concrete pavement 10-2 all cut, simultaneously to the concrete road surface paving spreading on described abutment revealed sectionDress layer 14-1 and asphalt concrete pavement surface 14-2 all cut.

Before carrying out the construction of girder sliding layer in step 103, first the upper surface of the revealed section of girder described in step 102 is enteredRow leveling.

Before carrying out the construction of girder sliding layer in step 203, first the upper surface of described girder revealed section carry out levelling placeReason.

In step 204, carrying out prefabricated telescopic component installation and deck installation structure, paving layer and Expansion Joint filler fills outWhile filling layer construction, the concrete bridge deck pavement layer 10-1 that first mat formation on the girder 11 of inner side, expansion joint to be onstructed, and to be onstructedThe upper outside of the abutment 12 in the expansion joint outside concrete road surface layer 14-1 that mat formation that mat formation; Treat concrete bridge deck pavement layer 10-1 andMat formation after a layer 14-1 constructed in concrete road surface, prefabricated telescopic component described in step 202 is installed; Treat described prefabricatedAfter telescopic component installation, asphalt concrete pavement 10-2 and asphalt concrete pavement surface 14-2 are mated formation respectively,And when asphalt concrete pavement 10-2 and asphalt concrete pavement surface 14-2 mat formation, Expansion Joint filler packed layer 3 is enteredRow construction.

The above, be only preferred embodiment of the present invention, not the present invention imposed any restrictions, every according to the present inventionAny simple modification, change and equivalent structure that technical spirit is done above embodiment change, and all still belong to skill of the present inventionIn the protection domain of art scheme.

Claims

1. an Abutment implicit expression retractor device, is characterized in that: comprise on the abutment expansion joint that is laid in institute's construction bridgesPrefabricated telescopic component and the Expansion Joint filler packed layer (3) that is filled in described prefabricated telescopic component top, described abutment expansion jointFor the expansion joint of staying between the girder (11) of institute's construction bridges and abutment (12); On described girder (11), be covered with deck paving knotStructure, the upper outside of described abutment (12) is covered with paving layer and its upper inner is abutment revealed section, described deck pavingBetween structure and described paving layer, form the reserved mounting groove of installing for described prefabricated telescopic component, described reserved mounting grooveVertical bridge be greater than the spacing between girder (11) and abutment (12) to length, in described girder (11), be positioned at described reserved mounting grooveThe sections of below is girder revealed section, and sliding layer (9) is equipped with on described girder revealed section upper berth, described in described sliding layer (9) is positioned atBetween prefabricated telescopic component and described girder revealed section; Described Expansion Joint filler packed layer (3) is filled in described reserved mounting grooveIn and its be connected between described deck installation structure and described paving layer, the upper surface of Expansion Joint filler packed layer (3)Concordant with the upper surface homogeneous phase of described deck installation structure and described paving layer; Described prefabricated telescopic component comprises and being erected onPut more energy into type transverse joint plate (1) inner side and be positioned at institute of the type of putting more energy into transverse joint plate (1) on the abutment expansion joint of institute's construction bridges and being connected inState the waveform expansion and contraction plate (2) on girder revealed section, described in put more energy into type transverse joint plate (1) and waveform expansion and contraction plate (2) all along direction across bridge clothIf;

The described type transverse joint plate (1) of putting more energy into comprises flat plate (1-1), is multiplely laid in from left to right flat plate along direction across bridge(1-1) the open pore steel plate rib (1-3) on and multiple tracks are through at multiple described open pore steel plate ribs (1-3) company upper and that lay along direction across bridgeConnect reinforcing bar, multiple described open pore steel plate ribs (1-3) all along vertical bridge to lay and its structure all identical with size, connect described in multiple tracksReinforcing bar is all laid on same plane; Described open pore steel plate rib (1-3) is the strip that is vertical laying with flat plate (1-1)Steel plate, and the middle part of open pore steel plate rib (1-3) has multiple through holes that pass for connecting reinforcement described in multiple tracks respectively from front to back;The inside and outside both sides of described flat plate (1-1) are supported in respectively on described girder revealed section and described abutment revealed section; Multiple institutesState connecting reinforcement composition frame-type reinforcing structure described in open pore steel plate rib (1-3) and multiple tracks, connecting reinforcement is all embedded in described in multiple tracksIn Expansion Joint filler packed layer (3);

The inner side of the outside of described waveform expansion and contraction plate (2) and flat plate (1-1) is fastenedly connected and is integrated, described waveform expansion and contraction plate(2) inner side is anchored on described deck installation structure by multiple anchoring pieces (7); On described waveform expansion and contraction plate (2), be provided withMultiple WELDING STUDSs (4), multiple described WELDING STUDSs (4) are all embedded in Expansion Joint filler packed layer (3), and waveform expansion and contraction plate (2) withBetween Expansion Joint filler packed layer (3), be fastenedly connected and be integrated by multiple described WELDING STUDSs (4);

Described flat plate (1-1) is the maximum open amount that rectangle and its width are greater than described abutment expansion joint, described perforateSteel plate rib (1-3) is vertically to laying, and connecting reinforcement is all laid on same plane described in multiple tracks; Described flat plate (1-1),The outside of open pore steel plate rib (1-3) and waveform expansion and contraction plate (2) is all enclosed with one deck pitch; Multiple described WELDING STUDSs (4) are all perpendicularDirectly to laying, the structure of multiple described open pore steel plate ribs (1-3) and size all identical and its be right-angled trapezium steel plate.

2. according to a kind of Abutment implicit expression retractor device claimed in claim 1, it is characterized in that: described deck installation structure bagDraw together the concrete bridge deck pavement layer (10-1) of mating formation on girder (11) and mat formation on concrete bridge deck pavement layer (10-1)Asphalt concrete pavement (10-2), described paving layer comprise the concrete road surface of mating formation on abutment (12) mat formation layer (a 14-1) and the asphalt concrete pavement surface (14-2) of layer on (14-1) of mating formation in concrete road surface of mating formation; Described concrete bridge deck pavingThe outer end of dress layer (10-1) is provided with the erecting bed of installing for waveform expansion and contraction plate (2).

3. according to a kind of Abutment implicit expression retractor device described in claim 1 or 2, it is characterized in that: described in put more energy into type across seamPlate (1) also comprises the vertical wing plate (1-2) that is fixed on flat plate (1-1) inside front, the outside of described flat plate (1-1)Be anchored on abutment (12) by multiple described anchoring pieces (7); Described waveform expansion and contraction plate (2) comprises corrugated sheet steel (2-1), connectsIn the vertical connecting plate (2-2) in corrugated sheet steel (2-1) outside be connected in the side plate (2-3) inside corrugated sheet steel (2-1), described inCorrugated sheet steel (2-1) is fastenedly connected by vertical connecting plate (2-2) and vertical wing plate (1-2), and side plate (2-3) is by multiple anchorsFirmware (7) is anchored on described deck installation structure; Multiple described WELDING STUDSs (4) are all laid on corrugated sheet steel (2-1).

4. according to a kind of Abutment implicit expression retractor device claimed in claim 3, it is characterized in that: described side plate (2-3) upperApparent height is identical with the crest overhead height of corrugated sheet steel (2-1), upper level and the side plate of described vertical wing plate (1-2)(2-3) upper level is identical, and the trough bottom of the bottom surface height of described flat plate (1-1) and corrugated sheet steel (2-1) is highSpend identical; Multiple described WELDING STUDSs (4) are quincunx laying, and multiple described WELDING STUDSs (4) are all positioned at the ripple of corrugated sheet steel (2-1)On peak; Between each crest of described corrugated sheet steel (2-1) and sliding layer (9), all pad is equipped with an elastic spacer.

5. according to a kind of Abutment implicit expression retractor device described in claim 1 or 2, it is characterized in that: described sliding layer (9) byMultiple sliding panels (9-1) composition, multiple described sliding panels (9-1) are laid from left to right along direction across bridge direction, described sliding panel (9-1) be that the vertical bridge of rectangular slab and its edge is to laying.

6. according to a kind of Abutment implicit expression retractor device described in claim 1 or 2, it is characterized in that: described prefabricated flexible groupPart is integrated support structure or spliced member; Described integrated support structure is by put more energy into type transverse joint plate (1) and a waveform expansion and contractionPlate (2) composition; Described spliced member is spliced by multiple splicing sections, the structure of multiple described splicing sections all identical andIt is laid from left to right along direction across bridge, and each described splicing sections is by put more energy into type transverse joint plate (1) and a waveformExpansion plate (2) composition; The quantity of splicing sections in described spliced member is 2N+1, and wherein N is positive integer and N >=1; 2N+1Individual described splicing sections comprises middle part sections (13-1) and a 2N sidepiece sections (13-2); 2N described sidepiece sections (13-2) comprise N left side sections and the individual right side joint that is positioned at sections (13-1) right side, middle part of N that is positioned at middle part sections (13-1) left sideSection, N described left side sections and N described right side sections are symmetrical laying; In adjacent two described left side sections, be positioned atThe left side sections on right side is pressed on the left side sections that is positioned at left side, is positioned at the right side joint in left side in adjacent two described right side sectionsSection is pressed on the right side sections that is positioned at right side.

7. according to a kind of Abutment implicit expression retractor device described in claim 1 or 2, it is characterized in that: described connecting reinforcement isSpiral (5); Described in multiple tracks, the structure of connecting reinforcement and size are all identical; Described through hole is circular hole (1-4), described connection steelThe diameter of muscle is less than the aperture of circular hole (1-4).

8. to the method that retractor device is constructed as claimed in claim 1, it is characterized in that: institute's construction bridges is right for needingThe built bridge that bridge extension joint is repaired maybe need the bridge extension joint to construct at bridge construction beam, construct flexibleInstall the retractor device to be repaired at the expansion joint place of staying on the girder for being positioned at built bridge or be located on the girder of bridge construction beamThe retractor device to be onstructed at the expansion joint place of staying;

In the time that institute's construction bridges retractor device is retractor device to be repaired, the residing expansion joint of described retractor device to be repaired is instituteState the expansion joint to be repaired of staying between the girder (11) of built bridge and abutment (12), the construction of described retractor device to be repairedProcess is as follows:

Step 101, the cleaning of original bridge extension joint: the original bridge extension joint to described expansion joint to be repaired carries out clearlyReason, girder (11) upper berth of described built bridge has described deck installation structure and its abutment (12) upper berth to have described pavingLayer;

Step 102, reserved mounting groove construction: to being positioned at deck installation structure and the paving of both sides, described expansion joint to be repairedLayer cuts respectively, obtains the girder revealed section and the abutment revealed section that are positioned at both sides, described expansion joint to be repaired;

In this step, the region that cuts of described deck installation structure and described paving layer is for described retractor device to be repairedThe reserved mounting groove installed of prefabricated telescopic component;

Step 103, the construction of girder sliding layer: the sliding layer (9) of mating formation on the revealed section of girder described in step 102;

Step 104, prefabricated telescopic component Assembling and installation: by each member of described prefabricated telescopic component good prefabricationBe transported to described built bridge present position and assemble, obtaining the described prefabricated telescopic component of assembled formation, described prefabricatedIn the size of telescopic component and step 102, construct and reserve the consistent size of mounting groove; After having assembled, by the institute of assembled formationStating prefabricated telescopic component is mounted in the reserved mounting groove of constructing in step 102;

Step 105, the construction of Expansion Joint filler packed layer: after described prefabricated telescopic component installation, at described reserved mounting grooveInterior filling Expansion Joint filler, and obtain the Expansion Joint filler packed layer (3) of construction molding; Described Expansion Joint filler packed layer (3)Be positioned at described prefabricated telescopic component top, and on the upper surface of Expansion Joint filler packed layer (3) and girder (11) the bridge floor that spreads spreadAssembling structure with on abutment (12), pave mat formation layer upper surface homogeneous phase concordant;

In the time that institute's construction bridges retractor device is retractor device to be onstructed, the residing expansion joint of described retractor device to be onstructed is instituteState the expansion joint to be onstructed of staying between the girder (11) of bridge construction beam and abutment (12), the construction of described retractor device to be onstructedProcess is as follows:

Step 201, the prefabricated processing of prefabricated telescopic component: according in advance design processing dimension, in factory to expansion joint to be onstructedPlace is installed each member of prefabricated telescopic component and is processed respectively; Adopt again transporting equipment by described prefabricated the stretching of machine-shapingEach member of contracting assembly, is transported to the described construction location at bridge construction beam;

Wherein, the prefabricated telescopic component that install in place, expansion joint to be onstructed is described retractor device to be onstructed prefabricated flexible groupPart;

Step 202, prefabricated telescopic component Assembling: the each member to prefabricated telescopic component described in step 201 is assembled,Obtain the described prefabricated telescopic component of assembled formation;

The construction of step 203, girder sliding layer: according to the vertical bridge of prefabricated telescopic component described in step 202 to length, and in conjunction with mainJoint gap between beam (11) and abutment (12), the vertical bridge of the girder revealed section to girder (11) is determined to length; ItAfter, according to the vertical bridge of determined girder revealed section to length, the sliding layer (9) of mating formation on described girder revealed section;

Step 204, prefabricated telescopic component installation and deck installation structure, paving layer and the construction of Expansion Joint filler packed layer:The described deck installation structure of mating formation on girder (11), and at the upper outside of abutment (12) the described paving layer of mating formation, withTime at prefabricated telescopic component described in the upper installation steps 202 of described girder revealed section and abutment (12), and in installationExpansion Joint filler is filled in prefabricated telescopic component top, obtains the Expansion Joint filler packed layer (3) of construction molding;

Described prefabricated telescopic component is positioned at the deck installation structure that spreads on girder (11) and the upper outside of abutment (12) spreadsPaving layer between, described Expansion Joint filler packed layer (3) and described deck installation structure and described paving layer connectConnect and be integrated, and the upper surface of described Expansion Joint filler packed layer (3) and described deck installation structure and described paving layerUpper surface homogeneous phase is concordant.

9. it is characterized in that in accordance with the method for claim 8: described built bridge and the described girder at bridge construction beam (11)On the deck installation structure that spreads include concrete bridge deck pavement layer (10-1) and mat formation at concrete bridge deck pavement layer (10-1) asphalt concrete pavement (10-2) on, multiple described anchoring pieces (7) are all anchored on concrete bridge deck pavement layer (10-1);The paving layer spreading on described built bridge and the described abutment at bridge construction beam (12) includes mats formation on abutment (12)Concrete road surface mat formation layer (14-1) and the asphalt concrete pavement surface of mating formation on layer (14) in concrete road surface of mating formation(14-2)；

While reserving mounting groove construction in step 102, to the concrete bridge deck pavement layer spreading on described girder revealed section(10-1) and asphalt concrete pavement (10-2) all cut, simultaneously to the concrete road surface spreading on described abutment revealed sectionMat formation layer (14-1) and asphalt concrete pavement surface (14-2) all cuts;

Before carrying out the construction of girder sliding layer in step 103, first the upper surface of the revealed section of girder described in step 102 is looked forFlat processing;

Before carrying out the construction of girder sliding layer in step 203, first the upper surface of described girder revealed section is carried out to leveling;

In step 204, carry out prefabricated telescopic component installation and deck installation structure, paving layer and Expansion Joint filler packed layerWhen construction, the concrete bridge deck pavement layer (10-1) of first mating formation on the girder (11) of inner side, expansion joint to be onstructed, and to be onstructedThe upper outside of the abutment (12) in the expansion joint outside concrete road surface layer (14-1) of mating formation of mating formation; Treat concrete bridge deck pavement layer(10-1) and after concrete road surface mats formation layer (14-1) constructed, prefabricated telescopic component described in step 202 is installed;After described prefabricated telescopic component installation, to asphalt concrete pavement (10-2) and asphalt concrete pavement surface (14-2)Mat formation respectively, and asphalt concrete pavement (10-2) and asphalt concrete pavement surface (14-2) are when mating formation, to stretchingContracting seam filler packed layer (3) is constructed.