CN204475161U - Arch reinforcing bar between beam-ends and abutment is put more energy into type seamless process stretching device - Google Patents
Arch reinforcing bar between beam-ends and abutment is put more energy into type seamless process stretching device Download PDFInfo
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- CN204475161U CN204475161U CN201520113236.6U CN201520113236U CN204475161U CN 204475161 U CN204475161 U CN 204475161U CN 201520113236 U CN201520113236 U CN 201520113236U CN 204475161 U CN204475161 U CN 204475161U
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Abstract
The arch reinforcing bar that the utility model discloses between a kind of beam-ends and abutment is put more energy into type seamless process stretching device, comprise pre-manufactured steel plate and be filled in the Expansion Joint filler packed layer above pre-manufactured steel plate, pre-manufactured steel plate is laid on the abutment shrinkage joint between girder and abutment, girder is covered with deck installation structure, abutment upper outside is covered with road pavement layer and its upper inner is abutment revealed section, form reserved mounting groove between deck installation structure and road pavement layer, the sections be positioned in girder below reserved mounting groove is girder revealed section; Pre-manufactured steel plate comprises flat plate, be connected to corrugated steel inside flat plate and multiple tracks is all fixed on arch reinforcing bar on flat plate, corrugated steel is fixed with multiple WELDING STUDS; Girder revealed section is covered with sliding layer.Simple, the reasonable in design and easy construction of the utility model structure, result of use are good, the problem such as can solve installation inconvenience, stress performance that existing stretching device exists and durability is poor, application life is shorter.
Description
Technical field
The utility model belongs to Bridge Expansion Joints Coustruction Technology field, and the arch reinforcing bar especially related between a kind of beam-ends and abutment is put more energy into type seamless process stretching device.
Background technology
Bridge extension joint be for make vehicle smoothly pass bridge floor and meet bridge floor distortion needs, bridge floor expansion joint place arrange device.Wheel course under cyclic loading is directly born at shrinkage joint, even if there is very small out-of-flatness, structure will be made to be severely affected effect, very easily destroyed and the replacing that needs repairing under carload effect; Meanwhile, slightly defect and deficiency in design, construction, will cause its early stage damage; Moreover deck expansion joint place rigidity is suddenlyd change, under the repeated action of fast running vehicle, the very easily damaged destruction of also thereupon causing bridge floor and beam and slab structure of stretching device; And the inefficacy at shrinkage joint sends and can increase vehicular impact power, form vicious circle.This not only makes passenger lack the sense of security, affects road-ability, affects the application life at shrinkage joint, adds maintenance cost again, also can have influence on the normal use of bridge construction itself.Bridge extension joint rapid wear problem is a great problem of highway communication always.
Conventional stretching device is broadly divided into five large classes by mode of transfer force and construction features, that is: shearing, the modulus supporting type of dock, steel supporting type, building rubber compound and seamless expansion-contraction devices (containing bridge floor continuous structure).But there is the problems such as install inconvenience, stress performance and durability is poor, application life is shorter in existing bridge extension joint, therefore shrinkage joint rapid wear problem is not still solved well at present all to some extent.Best shrinkage joint is jointless, and thus bridge seamless process technology produces and paid close attention to.But at present, the research for jointless construction is scarcely out of swaddling-clothes, and form of structure is less, and application is restricted.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, the arch reinforcing bar between a kind of beam-ends and abutment is provided to put more energy into type seamless process stretching device, simple, the reasonable in design and easy construction of its structure, result of use are good, the problem such as can solve installation inconvenience, stress performance that existing stretching device exists and durability is poor, application life is shorter.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: the arch reinforcing bar between a kind of beam-ends and abutment is put more energy into type seamless process stretching device, it is characterized in that: comprise pre-manufactured steel plate and be filled in the Expansion Joint filler packed layer above described pre-manufactured steel plate, described pre-manufactured steel plate is laid on the abutment shrinkage joint of institute's construction bridges, the shrinkage joint stayed between the girder that described abutment shrinkage joint is institute's construction bridges and abutment; Described girder is covered with deck installation structure, the upper outside of described abutment is covered with road pavement layer and its upper inner is abutment revealed section, the reserved mounting groove installed for described pre-manufactured steel plate is formed between described deck installation structure and described road pavement layer, the vertical bridge of described reserved mounting groove is greater than the spacing between girder and abutment to length, the sections be positioned in described girder below described reserved mounting groove is girder revealed section, described girder revealed section is covered with sliding layer, and described Slipping layers is between described pre-manufactured steel plate and described girder revealed section; Described Expansion Joint filler packed layer is filled in described reserved mounting groove and it is connected between described deck installation structure and described road pavement layer, and the upper surface of Expansion Joint filler packed layer is concordant with the upper surface homogeneous phase of described road pavement layer with described deck installation structure; Described pre-manufactured steel plate comprises flat plate on the abutment shrinkage joint being erected on institute's construction bridges, to be connected to inside flat plate and the corrugated steel be positioned on described girder revealed section and multiple tracks are all fixed on the arch reinforcing bar on flat plate, and described corrugated steel is fixed with multiple WELDING STUDS; Described in multiple described WELDING STUDS and multiple tracks, arch reinforcing bar is all embedded in Expansion Joint filler packed layer, and described pre-manufactured steel plate is fastenedly connected by arch reinforcing bar described in multiple described WELDING STUDS and multiple tracks and Expansion Joint filler packed layer and is integrated; The inside and outside both sides of described flat plate are supported on described girder revealed section and described abutment revealed section respectively, and the inner side of described flat plate and the outside of corrugated steel are fastenedly connected and are integrated; The outside of described flat plate is fixed on abutment by multiple first anchoring piece, and the inner side of corrugated steel is fixed on described deck installation structure by multiple second anchoring piece; Arch reinforcing bar described in multiple tracks is all along vertical bridge to laying, and described in multiple tracks, arch reinforcing bar is laid from left to right along direction across bridge; Described in multiple tracks, the structure of arch reinforcing bar is all identical with size, and the inner of arch reinforcing bar described in per pass is all positioned at above described girder revealed section and its outer end and is all positioned at above described abutment revealed section.
Arch reinforcing bar between above-mentioned beam-ends and abutment is put more energy into type seamless process stretching device, it is characterized in that: arch reinforcing bar described in multiple described WELDING STUDS and multiple tracks all in vertically to laying.
Arch reinforcing bar between above-mentioned beam-ends and abutment is put more energy into type seamless process stretching device, it is characterized in that: described deck installation structure comprises the concrete bridge deck pavement layer of mating formation on girder and the asphalt concrete pavement of mating formation on concrete bridge deck pavement layer, described road pavement layer comprises the rigid pavement pave-load layer of mating formation on abutment and the asphalt concrete pavement surface of mating formation on the pave-load layer of rigid pavement; The outer end of described concrete bridge deck pavement layer is provided with the erecting bed installed for corrugated steel.
Arch reinforcing bar between above-mentioned beam-ends and abutment is put more energy into type seamless process stretching device, it is characterized in that: all pad between each crest of described corrugated steel and sliding layer and an elastic spacer is housed.
Arch reinforcing bar between above-mentioned beam-ends and abutment is put more energy into type seamless process stretching device, and it is characterized in that: described sliding layer is made up of multiple sliding panel, multiple described sliding panel is laid from left to right along direction across bridge direction, and described sliding panel is rectangular slab and it is along vertical bridge to laying.
Arch reinforcing bar between above-mentioned beam-ends and abutment is put more energy into type seamless process stretching device, it is characterized in that: described sliding panel is the rectangular steel plates be pasted and fixed on girder, described girder needs the position of fixing sliding panel be provided with horizontal mortar levelling layer.
Arch reinforcing bar between above-mentioned beam-ends and abutment is put more energy into type seamless process stretching device, it is characterized in that: described pre-manufactured steel plate is Integral Steel plate or spliced steel plateelement; The arch reinforcing bar that described Integral Steel plate is all fixed on flat plate by a flat plate, a corrugated steel and multiple tracks forms; Described spliced steel plateelement is spliced by multiple splicing sections, the structure of multiple described splicing sections all identical and its lay from left to right along direction across bridge, each described splicing sections by a flat plate, a corrugated steel and multiple tracks be all fixed on flat plate arch reinforcing bar composition; The quantity of splicing sections in described spliced steel plateelement is 2N+1, and wherein N is positive integer and N >=1; 2N+1 described splicing sections comprises an intermediate section and 2N sidepiece sections; 2N described sidepiece sections comprises and is N number ofly positioned at left side sections on the left of intermediate section and N number of right side sections be positioned on the right side of intermediate section, N number of described left side sections and the symmetrical laying of N number of described right side sections; On left side sections on the left of the left side sections being positioned at right side in adjacent two described left side sections is pressed in and is positioned at, on the right side sections on the right side of the right side sections being positioned at left side in adjacent two described right side sections is pressed in and is positioned at.
Arch reinforcing bar between above-mentioned beam-ends and abutment is put more energy into type seamless process stretching device, it is characterized in that: the outside of described flat plate and corrugated steel is all enclosed with one deck pitch.
Arch reinforcing bar between above-mentioned beam-ends and abutment is put more energy into type seamless process stretching device, and it is characterized in that: above the abutment shrinkage joint that described flat plate stays between girder and abutment, the width of flat plate is greater than the maximum open amount at described abutment shrinkage joint.
Arch reinforcing bar between above-mentioned beam-ends and abutment is put more energy into type seamless process stretching device, it is characterized in that: be connected by multiple fastening bolt between the inner side of described flat plate and the outside of corrugated steel; The outside side plate that described corrugated steel comprises corrugated sheet steel, is connected to the inner side side plate inside corrugated sheet steel and is connected to outside corrugated sheet steel, described outside side plate is fastenedly connected by multiple described fastening bolt and flat plate and is integrated, and the ripple direction of described corrugated sheet steel is direction across bridge; Described inner side side plate is fastenedly connected by multiple described second anchoring piece and concrete bridge deck pavement layer and is integrated; The floor height of described flat plate is identical with the trough bottom level of corrugated sheet steel, the upper level of described outside side plate is identical with the crest overhead height of corrugated sheet steel, multiple described WELDING STUDS is quincunx laying, and multiple described WELDING STUDS is all positioned on the crest of corrugated sheet steel.
The utility model compared with prior art has the following advantages:
1, structure simple, reasonable in design and drop into construction cost lower, mainly comprise the components such as flat plate, corrugated steel, arch reinforcing bar, WELDING STUDS, elastic cushion block, and each component form is simple, be conventional components in engineering, the connected mode of each component is bolt or welding.
Flat plate on the abutment shrinkage joint of 2, pre-manufactured steel plate construction bridges by being erected on, be connected to flat plate side and the arch reinforcing bar that the corrugated steel be positioned on described girder revealed section and multiple tracks are all fixed on flat plate forms, each component is all prefabricated in the factory, machining accuracy is easy to ensure, and process easy, need assemble each component of machine-shaping for on-the-spot, actual installation is easy.
Further, also pre-manufactured steel plate can be divided multiple standard sections (i.e. multiple splicing sections) along bridge deck width direction, prefabrication is simple, and in-site installation is convenient.Wherein, flat plate straddles between girder and abutment, and its structure is simple.Reasonable in design and stressed effect good, this is straight firm plate is provided with multiple tracks arch reinforcing bar, and multiple tracks arch reinforcing bar is all embedded in Expansion Joint filler packed layer, not only processing and fabricating is easy and result of use good, effectively can strengthen bridge floor in the rigidity of abutment expansion joint position and compatible deformation ability, thus can meet dilatation demand, can effectively avoid bridge floor to suddenly change in expansion joint position generation rigidity.
3, reliable construction quality, the crudy of the pre-manufactured steel plate that prefabrication is shaping is easy to ensure and is convenient to transport, effectively can avoid construction error.
4, input cost is lower, and the Expansion Joint filler adopted is conventional Load materials, easily obtains, making, convenient transportation, and input cost is lower; Further, Expansion Joint filler and deck paving formation of structure non-individual body, make driving steadily comfortable, avoids faulting of slab ends, jumps the generation of the situation such as car, impact.
5, pre-manufactured steel plate both can adopt Integral Steel plate, also can adopt spliced steel plateelement, and being prefabricated in the factory in advance processes, and crudy is easy to ensure and is convenient to transport, effectively can avoid construction error, and in-site installation is convenient.And, adaptable, different bridge deck width demands is adapted to by the quantity and transverse width of splicing sections in adjustment prefabricated telescoping member, different strokes is realized from the longitudinal length of waveform expansion and contraction plate by type transverse joint plate of putting more energy in prefabricated telescoping member, each splicing sections of prefabricated telescoping member can need design and be made into different models according to routine, formation standard sections, to Industry Promotion, to be applicable to wide, the different bridge construction across footpath of different bridge.
6, waterproof and good endurance, pre-manufactured steel plate and Expansion Joint filler packed layer form two-layer closely knit water proof structure, and water resistance is good, further increase durability and the application life of stretching device.Further, the pointing that Expansion Joint filler packed layer adopts is conventional Load materials, easily obtains, and input cost cost is lower.
7, good, the reasonable stress of result of use and stress performance is excellent, long service life, before and after flat plate is placed between adjacent two beam sections, effectively can ensure the vertical rigidity of shrinkage joint seam crossing; Corrugated steel is placed on girder, and flat plate and be provided with sliding layer between corrugated steel and girder revealed section, and smear butter lubrication, deformability is strong, can the level of simultaneous adaptation bridge superstructure, vertical displacement, longitudinal extension distortion and little rotational deformation need, there is good telescopicing performance, the rapid wear problem of current bridge expanssion joint can be solved.
8, design ingenious, utilize rigidity attachment strap (i.e. flat plate, this flat plate is transverse joint plate) be combined to form prefabricated telescoping member with high scalability corrugated sheet (i.e. corrugated sheet steel), the stroke of bridge main beam is transferred to corrugated sheet steel, absorbs small deformation with large width; Further, utilize the slip of flat plate and corrugated steel and sliding layer, stroke is transferred to corrugated steel section; Expansion Joint filler packed layer is built on pre-manufactured steel plate upper berth, arranges WELDING STUDS and strengthens prefabricated telescoping member and the compatibility of deformation of Expansion Joint filler packed layer and the property received of stroke, design rationally ingenious; Waveform expansion and contraction plate gaps underneath in pre-manufactured steel plate embeds rubber strip, has vertical supporting effect.
9, short construction period, avoids the problem that conventional telescopic seam need meet the age of concrete, is applicable to robbing fast of burst accident logical.
10, change conveniently, girder and the abutment construction of institute's construction bridges can not be changed, do not relate to bridge floor steel mesh reinforcement, change and only need the deck paving structure to shrinkage joint place to carry out Local treatment.During practice of construction, can carry out segment processing to the deck paving structure at shrinkage joint place, thus actual treatment is very easy.
11, easy construction, during practice of construction, first on girder revealed section, lay sliding panel, to mat formation respectively on girder again concrete bridge deck pavement layer, to construct on abutment rigid pavement pave-load layer simultaneously, and the faulting of slab ends supported for pre-manufactured steel plate is set inside concrete bridge deck pavement layer, the concrete bridge deck pavement layer of mating formation is positioned at outside sliding panel; Afterwards, sliding panel is installed pre-manufactured steel plate, and multiple WELDING STUDS is welded and fixed on the corrugated steel of installed pre-manufactured steel plate, between installed pre-manufactured steel plate and sliding panel, inject lubrication oil (being specially butter) simultaneously, the object injecting lubrication oil is that the upper surface (i.e. slide plane) to sliding panel lubricates, and can carry out effective maintenance to pre-manufactured steel plate and sliding panel simultaneously; Subsequently, between pre-manufactured steel plate and sliding panel, rubber strip is embedded; Then, making bridge floor surface layer (i.e. asphalt concrete pavement) on mated formation concrete bridge deck pavement layer, and asphalt concrete pavement surface of mating formation on the pave-load layer of rigid pavement; Finally, Expansion Joint filler packed layer filled by installed pre-manufactured steel plate.
12, practical value is high and widely applicable, can be applicable to the different bridge construction wide across footpath, different bridge.In addition, the utility model can be used for newly building bridge, also can be used for the transformation of Jiu Qiao shrinkage joint.Simultaneously, the utility model have simple, each splicing sections of pre-manufactured steel plate structure quantity and transverse width is adjustable and Expansion Joint filler packed layer and deck paving construct between the advantage such as continuity, the situation such as can overcome bridge floor out-of-flatness, faulting of slab ends that abutment shrinkage joint place easily occurs, twisted, shrinkage joint is irregular.
In sum, simple, the reasonable in design and easy construction of the utility model structure, result of use are good, effectively can solve installation inconvenience, stress performance that existing stretching device exists and the problem such as durability is poor, application life is shorter, have that input cost is lower, simple installation, stress performance are good, good endurance, the advantage such as practical.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is using state reference diagram of the present utility model.
Fig. 2 is that vertical bridge of the present utility model is to section structure schematic diagram.
Fig. 3 adopts by the utility model the structural representation of pre-manufactured steel plate.
Fig. 4 adopts by the utility model the structural representation of flat plate and arch reinforcing bar.
Fig. 5 adopts by the utility model the structural representation of flat plate.
Fig. 6 adopts by the utility model the structural representation of corrugated steel and WELDING STUDS.
Fig. 7 adopts by the utility model the installation position schematic diagram of WELDING STUDS on corrugated steel.
Fig. 8 adopts by the utility model the cross-sectional configuration schematic diagram of corrugated steel.
Fig. 9 adopts by the utility model the structural representation of elastic spacer.
Figure 10 adopts by the utility model the installation position schematic diagram of sliding panel.
Figure 11 adopts by the utility model the direction across bridge structural representation of spliced steel plateelement.
Description of reference numerals:
1-flat plate; 2-arch reinforcing bar; 3-corrugated steel;
3-1-corrugated sheet steel; 3-2-inner side side plate; 3-3-outside side plate;
4-WELDING STUDS; 5-fastening bolt; 5-1-bolt mounting holes;
6-the second anchoring piece; 6-1-the second anchor hole; 7-the first anchoring piece;
7-1-the first anchor hole; 8-elastic spacer; 9-sliding layer;
9-1-sliding panel; 10-Expansion Joint filler packed layer; 11-girder;
12-abutment; 14-rigid pavement pave-load layer;
15-asphalt concrete pavement surface;
16-1-concrete bridge deck pavement layer;
16-2-asphalt concrete pavement; 17-1-intermediate section; 17-2-sidepiece sections.
Detailed description of the invention
As shown in Figure 1, Figure 2 and Figure 3, the utility model comprises pre-manufactured steel plate and is filled in the Expansion Joint filler packed layer 10 above described pre-manufactured steel plate, described pre-manufactured steel plate is laid on the abutment shrinkage joint of institute's construction bridges, the shrinkage joint stayed between the girder 11 that described abutment shrinkage joint is institute's construction bridges and abutment 12, described girder 11 is covered with deck installation structure, the upper outside of described abutment 12 is covered with road pavement layer and its upper inner is abutment revealed section, the reserved mounting groove installed for described pre-manufactured steel plate is formed between described deck installation structure and described road pavement layer, the vertical bridge of described reserved mounting groove is greater than the spacing between girder 11 and abutment 12 to length, in described girder 11, the sections be positioned at below described reserved mounting groove is girder revealed section, described girder revealed section is covered with sliding layer 9, described sliding layer 9 is between described pre-manufactured steel plate and described girder revealed section, described Expansion Joint filler packed layer 10 is filled in described reserved mounting groove and it is connected between described deck installation structure and described road pavement layer, and the upper surface of Expansion Joint filler packed layer 10 is concordant with the upper surface homogeneous phase of described road pavement layer with described deck installation structure, described pre-manufactured steel plate comprises flat plate 1 on the abutment shrinkage joint being erected on institute's construction bridges, to be connected to inside flat plate 1 and the corrugated steel 3 be positioned on described girder revealed section and multiple tracks are all fixed on the arch reinforcing bar 2 on flat plate 1, and described corrugated steel 3 is fixed with multiple WELDING STUDS 4, described in multiple described WELDING STUDS 4 and multiple tracks, arch reinforcing bar 2 is all embedded in Expansion Joint filler packed layer 10, and described pre-manufactured steel plate is fastenedly connected by arch reinforcing bar described in multiple described WELDING STUDS 4 and multiple tracks 2 and Expansion Joint filler packed layer 10 and is integrated, the inside and outside both sides of described flat plate 1 are supported on described girder revealed section and described abutment revealed section respectively, and the inner side of described flat plate 1 and the outside of corrugated steel 3 are fastenedly connected and are integrated, the outside of described flat plate 1 is fixed on abutment 12 by multiple first anchoring piece 7, and the inner side of corrugated steel 3 is fixed on described deck installation structure by multiple second anchoring piece 6, arch reinforcing bar 2 described in multiple tracks is all along vertical bridge to laying, and described in multiple tracks, arch reinforcing bar 2 is laid from left to right along direction across bridge, described in multiple tracks, the structure of arch reinforcing bar 2 is all identical with size, and the inner of arch reinforcing bar 2 described in per pass is all positioned at above described girder revealed section and its outer end and is all positioned at above described abutment revealed section.Wherein, the spacing between girder 11 and abutment 12 is the spacing distance between girder 11 and abutment 12, the joint gap namely between girder 11 and abutment 12.
In the present embodiment, described girder 11 is reinforced concrete beam, and abutment 12 is steel concrete abutment.During practice of construction, described girder 11 also can be girder steel.
Actual lay when installing, one end of arch reinforcing bar 2 described in per pass is all positioned at above described girder revealed section and its other end is all positioned at above abutment 12.
In the present embodiment, described abutment 12 is provided with ear wall, described pre-manufactured steel plate is positioned on girder revealed section and described ear wall.Described road pavement layer is mated formation on described ear wall.
In the present embodiment, arch reinforcing bar 2 described in multiple described WELDING STUDS 4 and multiple tracks all in vertically to laying.
As shown in Figure 4, Figure 5, described flat plate 1 is rectangular steel plates.Further, described in multiple tracks, arch reinforcing bar 2 is all weldingly fixed on flat plate 1.
In the present embodiment, described first anchoring piece 7 and the second anchoring piece 6 are standing screw.Described first anchoring piece 7 is anchored in abutment 12, and the bottom of described second anchoring piece 6 is fixed in girder 11.
During actual use, described first anchoring piece 7 and the second anchoring piece 6 also can adopt the anchoring element of other type, as crab-bolt etc.
Described flat plate 1 have multiple respectively for the first anchor hole 7-1 that multiple described first anchoring piece 7 is installed near the side of abutment 12, multiple described first anchor hole 7-1 lays in two separate ranks, and the described first anchor hole 7-1 of two row includes the multiple described first anchor hole 7-1 laid from left to right along direction across bridge, the described first anchor hole 7-1 of two row is in being laid staggeredly.Correspondingly, multiple described first anchoring piece 7 is laid in two separate ranks.
In the present embodiment, described deck installation structure comprises the concrete bridge deck pavement layer 16-1 mated formation on girder 11 and the asphalt concrete pavement 16-2 mated formation on concrete bridge deck pavement layer 16-1, and described road pavement layer comprises mat formation rigid pavement pave-load layer 14 on abutment 12 and the asphalt concrete pavement surface 15 on rigid pavement pave-load layer 14 of mating formation.The outer end of described concrete bridge deck pavement layer 16-1 is provided with the erecting bed installed for corrugated steel 3.
Junction between the concrete bridge deck pavement layer 16-1 that described girder revealed section and girder 11 spread forms the first faulting of slab ends, and described first faulting of slab ends is the mounting groove installed for corrugated steel 3; Junction between described concrete bridge deck pavement layer 16-1 and asphalt concrete pavement 16-2 and the junction between rigid pavement pave-load layer 14 and asphalt concrete pavement surface 15 all form the second faulting of slab ends, and what form Expansion Joint filler packed layer 10 between two described second faulting of slab ends builds groove.
Meanwhile, all pad between each crest of described corrugated steel 3 and sliding layer 9 and an elastic spacer 8 is housed, refer to Fig. 9.
In the present embodiment, described elastic spacer 8 is rubber strip, and described rubber strip is pasted and fixed on corrugated steel 3.
During actual use, also can adopt the elastic strip of other type.
In the present embodiment, the isosceles trapezoid rubber strip of described rubber strip to be cross section be isosceles trapezoid.Described isosceles trapezoid rubber strip is pasted and is embedded below each crest of corrugated steel 3.
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 are 60 °.
The height of described isosceles trapezoid rubber strip is not less than the spacing between the crest of corrugated steel 3 and sliding layer 9, and namely the height of isosceles trapezoid rubber strip is not less than the wave height of corrugated steel 3.In the present embodiment, the height of described isosceles trapezoid rubber strip is about 8cm and its length is slightly shorter than the direction across bridge width of corrugated steel 3.Described rubber strip can select type rubber strip of vertically putting more energy into.
In the present embodiment, as shown in Figure 10, described sliding layer 9 is made up of multiple sliding panel 9-1, and multiple described sliding panel 9-1 lays from left to right along direction across bridge direction, and described sliding panel 10-1 is rectangular slab and it is along vertical bridge to laying.
During practice of construction, described sliding panel 9-1 is pasted and fixed on the rectangular steel plates on girder 11, described girder 11 needs the position of fixing sliding panel 9-1 be provided with horizontal mortar levelling layer.
Further, described sliding panel 9-1 is the smooth and steel plate be fixed on described girder revealed section of upper surface.In the present embodiment, the structure of multiple described sliding panel 9-1 is all identical with size and it is interval laying.Multiple described sliding panel 9-1 lays at grade.
In the present embodiment, described sliding panel 9-1 is strip slide plate.
In practice of construction process, when being fixed sliding panel 9-1, first adopt cement mortar to carry out levelling to girder 11 needing the position of fixing sliding panel 9-1, described sliding panel 9-1 is the steel sheet that thickness is less.
During practice of construction, the Expansion Joint filler that described Expansion Joint filler packed layer 10 adopts is high-strength high telescopic material, as epoxy asphalt concrete, rubber asphalt concrete etc.
In the present embodiment, the outside of described flat plate 1 and corrugated steel 3 is all enclosed with one deck pitch.After parcel pitch, not only make the antiseptic power of flat plate 1 and corrugated steel 3 strengthen, and make the better in conjunction with effect of flat plate 1 and corrugated steel 3 and Expansion Joint filler packed layer 10, globality is stronger.
In the present embodiment, above the abutment shrinkage joint that described flat plate 1 stays between girder 11 and abutment 12, the width of flat plate 1 is greater than the maximum open amount at described abutment shrinkage joint.Herein, the width of flat plate 1 refers to the vertical bridge of flat plate 1 to length.
That is, the width of described flat plate 1 is greater than the stroke at described abutment shrinkage joint.
In the present embodiment, be connected by multiple fastening bolt 5 between the inner side of described flat plate 1 and the outside of corrugated steel 3.
Actually add man-hour, multiple described fastening bolt 5 is all laid on same straight line, and multiple described fastening bolt 5 is laid from left to right along direction across bridge.Multiple described fastening bolt 5 is all fixed on above the side of close girder 11 on flat plate 1.
Composition graphs 6, Fig. 7 and Fig. 8, the outside side plate 3-3 that described corrugated steel 3 comprises corrugated sheet steel 3-1, is connected to the inner side side plate 3-2 inside corrugated sheet steel 3-1 and is connected to outside corrugated sheet steel 3-1, described outside side plate 3-3 is fastenedly connected by multiple described fastening bolt 5 and flat plate 1 and is integrated, and the ripple direction of described corrugated sheet steel 3-1 is direction across bridge.Described inner side side plate 3-2 is fastenedly connected by multiple described second anchoring piece 6 and concrete bridge deck pavement layer 16-1 and is integrated.
In the present embodiment, described inner side side plate 3-2 have multiple respectively for the second anchor hole 6-1 that multiple described second anchoring piece 6 is installed, multiple described second anchor hole 6-1 is all laid on same straight line, and multiple described second anchor hole 6-1 lays from left to right along direction across bridge.Meanwhile, described outside side plate 3-3 has multiple respectively for the bolt mounting holes 5-1 that multiple described fastening bolt 5 is installed, multiple described bolt mounting holes 5-1 is circular hole, and described outside side plate 3-3 is positioned on flat plate 1.
In the present embodiment, the floor height of described flat plate 1 is identical with the trough bottom level of corrugated sheet steel 3-1, the upper level of described outside side plate 3-3 is identical with the crest overhead height of corrugated sheet steel 3-1, multiple described WELDING STUDS 4 is in quincunx laying, and multiple described WELDING STUDS 4 is all positioned on the crest of corrugated sheet steel 3-1.Further, multiple described WELDING STUDS 4 is all weldingly fixed on corrugated sheet steel 3-1.
During practice of construction, described second anchoring piece 6 is fixed on concrete bridge deck pavement layer 16-1 through outside side plate 3-3, described first anchoring piece 7 is fixed on abutment 12 through flat plate 1, the height of the standing screw that described second anchoring piece 6 adopts is about 10cm, and the height of the standing screw that described first anchoring piece 7 adopts is 7cm ~ 8cm.
In the present embodiment, the height of multiple described WELDING STUDS 4 is 4cm ~ 5cm, the top of multiple described WELDING STUDS 4 is all positioned at below the upper surface of Expansion Joint filler packed layer 10, and the spacing between the top of multiple described WELDING STUDS 4 and the upper surface of Expansion Joint filler packed layer 10 is about 5cm.
During practice of construction, described flat plate 1 crosses over the seam between abutment 12 and girder 11, and its bilateral symmetry is set up on abutment 12 with girder 11, and the width of described flat plate 1 is greater than the stroke maximum value at described abutment shrinkage joint.
In the present embodiment, described corrugated sheet steel 3-1 is profiled sheet.
And, described corrugated sheet steel 3-1 comprises multiple laying upper elongated plates at grade and multiple laying lower elongated plates at grade, described upper elongated plates and described lower elongated plates in being laid staggeredly, each described lower elongated plates with two its left and right sides described on be all connected by a strip junction plate between stripe board.
Actually add man-hour, described corrugated steel 3 is suppressed by a monoblock steel plate and is formed, and described inner side side plate 3-2 and outside side plate 3-3 is straight plate.The setting height(from bottom) of described outside side plate 3-3 than trough height about the 2cm of corrugated sheet steel 3-1, and fits tightly with flat plate 1 bottom the side plate 3-3 of outside.
During practice of construction, described pre-manufactured steel plate is Integral Steel plate or spliced steel plateelement.The arch reinforcing bar 2 that described Integral Steel plate is all fixed on flat plate 1 by a flat plate 1, corrugated steel 3 and multiple tracks forms.As shown in figure 11, described spliced steel plateelement is spliced by multiple splicing sections, the structure of multiple described splicing sections all identical and its lay from left to right along direction across bridge, the arch reinforcing bar 2 that each described splicing sections is all fixed on flat plate 1 by a flat plate 1, corrugated steel 3 and multiple tracks forms; The quantity of splicing sections in described spliced steel plateelement is 2N+1, and wherein N is positive integer and N >=1; 2N+1 described splicing sections comprises intermediate section 17-1 and 2N sidepiece sections 17-2; 2N described sidepiece sections 17-2 comprises and is N number ofly positioned at left side sections on the left of intermediate section 17-1 and N number of right side sections be positioned on the right side of intermediate section 17-1, N number of described left side sections and the symmetrical laying of N number of described right side sections; On left side sections on the left of the left side sections being positioned at right side in adjacent two described left side sections is pressed in and is positioned at, on the right side sections on the right side of the right side sections being positioned at left side in adjacent two described right side sections is pressed in and is positioned at.
During practice of construction, when the bridge deck width of institute's construction bridges is less, described pre-manufactured steel plate adopts Integral Steel plate; When the bridge deck width of institute's construction bridges is larger (as when institute's construction bridges is double width bridge), described pre-manufactured steel plate adopts spliced steel plateelement.
In the present embodiment, N=2.
During practice of construction, can according to specific needs, in the value size of N and described spliced steel plateelement comprise each steel plateelement sections direction across bridge width adjust accordingly.
In the present embodiment, mutually overlap on direction across bridge direction in adjacent two described splicing sections.
In the present embodiment, described intermediate section 16-1 is positioned at above 2N described sidepiece sections 16-2; The left side sections being positioned at the rightmost side in the sections of N number of described left side is right-hand member sections, and the right side sections being positioned at the leftmost side in the sections of N number of described right side is left end sections; The two ends, left and right of described intermediate section 16-1 are pressed on described right-hand member sections and described left end sections respectively, on left side sections on the left of the left side sections being positioned at right side in adjacent two the described left side sections in left and right is pressed in and is positioned at, on the right side sections on the right side of the right side sections being positioned at left side in adjacent two the described right side sections in left and right is pressed in and is positioned at.Like this, the water-proof drainage object of present position, shrinkage joint place Expansion Joint filler packed layer 10 can be realized.
During practice of construction, when described pre-manufactured steel plate adopts Integral Steel plate, described flat plate 1 and corrugated steel 3 all in level to laying.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure change, all still belong in the protection domain of technical solutions of the utility model.
Claims (10)
1. the arch reinforcing bar between beam-ends and abutment is put more energy into type seamless process stretching device, it is characterized in that: comprise pre-manufactured steel plate and be filled in the Expansion Joint filler packed layer (10) above described pre-manufactured steel plate, described pre-manufactured steel plate is laid on the abutment shrinkage joint of institute's construction bridges, the shrinkage joint stayed between the girder (11) that described abutment shrinkage joint is institute's construction bridges and abutment (12), (11) are covered with deck installation structure to described girder, the upper outside of described abutment (12) is covered with road pavement layer and its upper inner is abutment revealed section, the reserved mounting groove installed for described pre-manufactured steel plate is formed between described deck installation structure and described road pavement layer, the vertical bridge of described reserved mounting groove is greater than the spacing between girder (11) and abutment (12) to length, in described girder (11), the sections be positioned at below described reserved mounting groove is girder revealed section, described girder revealed section is covered with sliding layer (9), described sliding layer (9) is between described pre-manufactured steel plate and described girder revealed section, described Expansion Joint filler packed layer (10) is filled in described reserved mounting groove and it is connected between described deck installation structure and described road pavement layer, and the upper surface of Expansion Joint filler packed layer (10) is concordant with the upper surface homogeneous phase of described road pavement layer with described deck installation structure, described pre-manufactured steel plate comprises flat plate (1) on the abutment shrinkage joint being erected on institute's construction bridges, be connected to flat plate (1) inner side and the corrugated steel (3) be positioned on described girder revealed section and multiple tracks are all fixed on the arch reinforcing bar (2) on flat plate (1), described corrugated steel (3) is fixed with multiple WELDING STUDS (4), described in multiple described WELDING STUDS (4) and multiple tracks, arch reinforcing bar (2) is all embedded in Expansion Joint filler packed layer (10), and described pre-manufactured steel plate is fastenedly connected by arch reinforcing bar (2) described in multiple described WELDING STUDS (4) and multiple tracks and Expansion Joint filler packed layer (10) and is integrated, the inside and outside both sides of described flat plate (1) are supported on described girder revealed section and described abutment revealed section respectively, and the inner side of described flat plate (1) and the outside of corrugated steel (3) are fastenedly connected and are integrated, the outside of described flat plate (1) is fixed on abutment (12) by multiple first anchoring piece (7), and the inner side of corrugated steel (3) is fixed on described deck installation structure by multiple second anchoring piece (6), arch reinforcing bar (2) described in multiple tracks is all along vertical bridge to laying, and described in multiple tracks, arch reinforcing bar (2) is laid from left to right along direction across bridge, described in multiple tracks, the structure of arch reinforcing bar (2) is all identical with size, and the inner of arch reinforcing bar (2) described in per pass is all positioned at above described girder revealed section and its outer end and is all positioned at above described abutment revealed section.
2. to put more energy into type seamless process stretching device according to the arch reinforcing bar between beam-ends according to claim 1 and abutment, it is characterized in that: arch reinforcing bar (2) described in multiple described WELDING STUDS (4) and multiple tracks all in vertically to laying.
3. to put more energy into type seamless process stretching device according to the beam-ends described in claim 1 or 2 and the arch reinforcing bar between abutment, it is characterized in that: described deck installation structure comprises the concrete bridge deck pavement layer (16-1) of mating formation on girder (11) and the asphalt concrete pavement (16-2) of mating formation on concrete bridge deck pavement layer (16-1), described road pavement layer comprises the rigid pavement pave-load layer (14) of mating formation on abutment (12) and the asphalt concrete pavement surface (15) of mating formation on rigid pavement pave-load layer (14); The outer end of described concrete bridge deck pavement layer (16-1) is provided with the erecting bed installed for corrugated steel (3).
4. to put more energy into type seamless process stretching device according to the beam-ends described in claim 1 or 2 and the arch reinforcing bar between abutment, it is characterized in that: all pad between each crest of described corrugated steel (3) and sliding layer (9) and an elastic spacer (8) is housed.
5. to put more energy into type seamless process stretching device according to the beam-ends described in claim 1 or 2 and the arch reinforcing bar between abutment, it is characterized in that: described sliding layer (9) is made up of multiple sliding panel (9-1), multiple described sliding panel (9-1) is laid from left to right along direction across bridge direction, and described sliding panel (10-1) is for rectangular slab and it is along vertical bridge to laying.
6. to put more energy into type seamless process stretching device according to the arch reinforcing bar between beam-ends according to claim 5 and abutment, it is characterized in that: described sliding panel (9-1), for being pasted and fixed on the rectangular steel plates on girder (11), described girder (11) needs the position of fixing sliding panel (9-1) be provided with horizontal mortar levelling layer.
7. to put more energy into type seamless process stretching device according to the beam-ends described in claim 1 or 2 and the arch reinforcing bar between abutment, it is characterized in that: described pre-manufactured steel plate is Integral Steel plate or spliced steel plateelement; The arch reinforcing bar (2) that described Integral Steel plate is all fixed on flat plate (1) by a flat plate (1), a corrugated steel (3) and multiple tracks forms; Described spliced steel plateelement is spliced by multiple splicing sections, the structure of multiple described splicing sections all identical and its lay from left to right along direction across bridge, each described splicing sections by a flat plate (1), a corrugated steel (3) and multiple tracks be all fixed on flat plate (1) arch reinforcing bar (2) composition; The quantity of splicing sections in described spliced steel plateelement is 2N+1, and wherein N is positive integer and N >=1; 2N+1 described splicing sections comprises an intermediate section (17-1) and 2N sidepiece sections (17-2); 2N described sidepiece sections (17-2) comprises and is N number ofly positioned at the left side sections in intermediate section (17-1) left side and N number of right side sections being positioned at intermediate section (17-1) right side, N number of described left side sections and the symmetrical laying of N number of described right side sections; On left side sections on the left of the left side sections being positioned at right side in adjacent two described left side sections is pressed in and is positioned at, on the right side sections on the right side of the right side sections being positioned at left side in adjacent two described right side sections is pressed in and is positioned at.
8. to put more energy into type seamless process stretching device according to the beam-ends described in claim 1 or 2 and the arch reinforcing bar between abutment, it is characterized in that: the outside of described flat plate (1) and corrugated steel (3) is all enclosed with one deck pitch.
9. to put more energy into type seamless process stretching device according to the beam-ends described in claim 1 or 2 and the arch reinforcing bar between abutment, it is characterized in that: described flat plate (1) is positioned at above the abutment shrinkage joint stayed between girder (11) and abutment (12), and the width of flat plate (1) is greater than the maximum open amount at described abutment shrinkage joint.
10. to put more energy into type seamless process stretching device according to the arch reinforcing bar between beam-ends according to claim 3 and abutment, it is characterized in that: be connected by multiple fastening bolt (5) between the inner side of described flat plate (1) and the outside of corrugated steel (3); Described corrugated steel (3) comprises corrugated sheet steel (3-1), is connected to the inner side side plate (3-2) of corrugated sheet steel (3-1) inner side and is connected to the outside side plate (3-3) in corrugated sheet steel (3-1) outside, described outside side plate (3-3) is fastenedly connected by multiple described fastening bolt (5) and flat plate (1) and is integrated, and the ripple direction of described corrugated sheet steel (3-1) is direction across bridge; Described inner side side plate (3-2) is fastenedly connected by multiple described second anchoring piece (6) and concrete bridge deck pavement layer (16-1) and is integrated; The floor height of described flat plate (1) is identical with the trough bottom level of corrugated sheet steel (3-1), the upper level in described outside side plate (3-3) is identical with the crest overhead height of corrugated sheet steel (3-1), multiple described WELDING STUDS (4) is in quincunx laying, and multiple described WELDING STUDS (4) is all positioned on the crest of corrugated sheet steel (3-1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520113236.6U CN204475161U (en) | 2015-02-16 | 2015-02-16 | Arch reinforcing bar between beam-ends and abutment is put more energy into type seamless process stretching device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520113236.6U CN204475161U (en) | 2015-02-16 | 2015-02-16 | Arch reinforcing bar between beam-ends and abutment is put more energy into type seamless process stretching device |
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| CN204475161U true CN204475161U (en) | 2015-07-15 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107059613A (en) * | 2017-03-29 | 2017-08-18 | 宁波交通工程建设集团有限公司 | Road and bridge is seamless Steel Bridge Deck structure and construction method |
| CN110792035A (en) * | 2019-11-13 | 2020-02-14 | 成都市新筑路桥机械股份有限公司 | Reinforced seamless elastomer expansion device and construction method thereof |
| CN113089468A (en) * | 2021-05-14 | 2021-07-09 | 杭州市市政设施管理中心 | Splicing seam structure system of new and old bridges and construction method |
-
2015
- 2015-02-16 CN CN201520113236.6U patent/CN204475161U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107059613A (en) * | 2017-03-29 | 2017-08-18 | 宁波交通工程建设集团有限公司 | Road and bridge is seamless Steel Bridge Deck structure and construction method |
| CN107059613B (en) * | 2017-03-29 | 2022-11-25 | 宁波交通工程建设集团有限公司 | Road and bridge seamless steel bridge deck structure and construction method |
| CN110792035A (en) * | 2019-11-13 | 2020-02-14 | 成都市新筑路桥机械股份有限公司 | Reinforced seamless elastomer expansion device and construction method thereof |
| CN110792035B (en) * | 2019-11-13 | 2021-05-25 | 成都市新筑路桥机械股份有限公司 | Reinforced seamless elastomer expansion device and construction method thereof |
| CN113089468A (en) * | 2021-05-14 | 2021-07-09 | 杭州市市政设施管理中心 | Splicing seam structure system of new and old bridges and construction method |
| CN113089468B (en) * | 2021-05-14 | 2022-05-03 | 杭州市市政设施管理中心 | Splicing seam structure system of new and old bridges and construction method |
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