CN204475160U - Based on the bridge floor seamless process stretching device of corrugated sheet steel - Google Patents
Based on the bridge floor seamless process stretching device of corrugated sheet steel Download PDFInfo
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- CN204475160U CN204475160U CN201520113035.6U CN201520113035U CN204475160U CN 204475160 U CN204475160 U CN 204475160U CN 201520113035 U CN201520113035 U CN 201520113035U CN 204475160 U CN204475160 U CN 204475160U
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Abstract
The utility model discloses a kind of bridge floor seamless process stretching device based on corrugated sheet steel, comprise built-in steel plateelement and be filled in the Expansion Joint filler packed layer above built-in steel plateelement, built-in steel plateelement is laid on the shrinkage joint stayed between adjacent two the beam sections in front and back of institute's construction bridges girder, and built-in steel plateelement comprises built-in corrugated sheet steel part and is positioned at the stiffened steel plates below built-in corrugated sheet steel part; Each beam Duan Shangjun of institute's construction bridges girder is covered with deck paving structure, and sliding panel is equipped with on the section of the stretching out upper berth that each beam section extend out to deck paving structure outside; Built-in corrugated sheet steel part comprises flat plate section and two corrugated steel sections, and stiffened steel plates is positioned at below flat plate section, and each corrugated steel section is provided with multiple shear key.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 relates to a kind of bridge extension joint, especially relates to a kind of bridge floor seamless process stretching device based on corrugated sheet steel.
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, a kind of bridge floor seamless process stretching device based on corrugated sheet steel is provided, 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: a kind of bridge floor seamless process stretching device based on corrugated sheet steel, it is characterized in that: comprise built-in steel plateelement and be filled in the Expansion Joint filler packed layer above described built-in steel plateelement, described built-in steel plateelement is laid on the shrinkage joint stayed between adjacent two the beam sections in front and back of institute's construction bridges girder, and described built-in steel plateelement comprises built-in corrugated sheet steel part and is positioned at the stiffened steel plates below built-in corrugated sheet steel part; Institute's construction bridges girder with described shrinkage joint for boundary is divided into from front to back multiple beam section, multiple described beam section is along vertical bridge to laying, and each described beam Duan Shangjun is covered with deck installation structure; The reserved mounting groove installed for described built-in steel plateelement is formed between the deck installation structure that adjacent two the described beam sections in front and back spread, spacing before and after the vertical bridge of described reserved mounting groove is greater than to length between adjacent two described beam sections, in described beam section, the sections be positioned at below described reserved mounting groove is girder revealed section; Described Expansion Joint filler packed layer is filled in described reserved mounting groove and it is connected between deck installation structure that beam section described in former and later two spreads; Described girder revealed section is all mated formation and has sliding panel, before and after the both sides of described built-in corrugated sheet steel part are supported in respectively adjacent two described beam sections girder revealed section on the sliding panel that spreads, and the two ends of built-in corrugated sheet steel part are provided with multiple anchoring piece be anchored on described deck installation structure; Described built-in corrugated sheet steel part comprises the corrugated steel section that flat plate section and two lay respectively at flat plate section both sides, above the shrinkage joint stayed between adjacent two described beam sections before and after described flat plate section is positioned at; Each described corrugated steel section is provided with multiple WELDING STUDS, and multiple described WELDING STUDS is all embedded in Expansion Joint filler packed layer, and is fastenedly connected by multiple described WELDING STUDS between corrugated steel section and Expansion Joint filler packed layer and is integrated; Described stiffened steel plates pad is loaded on below flat plate section, and the both sides of stiffened steel plates be supported in respectively before and after adjacent two described beam sections girder revealed section on the sliding panel that spreads; Described stiffened steel plates is provided with multiple securing member, described flat plate section have multiple respectively for the installing hole that multiple described securing member is installed, described stiffened steel plates is parallel laying with flat plate section and is connected to one by multiple described securing member therebetween, multiple described securing member is all embedded in Expansion Joint filler packed layer, and flat plate section and being all fastenedly connected by multiple described securing member between stiffened steel plates and Expansion Joint filler packed layer is integrated.
The above-mentioned bridge floor seamless process stretching device based on corrugated sheet steel, it is characterized in that: described deck installation structure comprises the concrete bridge deck pavement layer of mating formation in beam section and the asphalt concrete pavement of mating formation on concrete bridge deck pavement layer, the concrete bridge deck pavement layer that adjacent two the described beam sections in front and back spread is provided with the support platform of the two end supports for built-in corrugated sheet steel part, multiple described anchoring piece is all anchored in described support platform.
The above-mentioned bridge floor seamless process stretching device based on corrugated sheet steel, it is characterized in that: on each described girder revealed section the quantity of sliding panel of mating formation be multiple, multiple described sliding panel is laid from left to right along the direction across bridge direction of institute's construction bridges girder, and described sliding panel is rectangular slab and it is along vertical bridge to laying.
The above-mentioned bridge floor seamless process stretching device based on corrugated sheet steel, is characterized in that: all pad between each crest of each described corrugated steel section and sliding panel and a rubber strip is housed.
The above-mentioned bridge floor seamless process stretching device based on corrugated sheet steel, is characterized in that: described built-in steel plateelement is that direction across bridge is laid, and in described built-in corrugated sheet steel part, the ripple direction of corrugated steel section is direction across bridge.
The above-mentioned bridge floor seamless process stretching device based on corrugated sheet steel, is characterized in that: described built-in steel plateelement is Integral Steel plate or spliced steel plateelement; Described Integral Steel plate is made up of a built-in corrugated sheet steel part and a stiffened steel plates be positioned at below built-in corrugated sheet steel part; Described spliced steel plateelement is spliced by multiple steel plateelement sections, the structure of multiple described steel plateelement sections all identical and its lay from left to right along direction across bridge, each described steel plateelement sections by a built-in corrugated sheet steel part and one be positioned at below built-in corrugated sheet steel part stiffened steel plates composition.
The above-mentioned bridge floor seamless process stretching device based on corrugated sheet steel, is characterized in that: the quantity of described spliced steel plateelement light plate part sections is 2N+1, and wherein N is positive integer and N >=1; 2N+1 described steel plateelement 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.
The above-mentioned bridge floor seamless process stretching device based on corrugated sheet steel, is characterized in that: described corrugated steel section is profiled sheet; The outside of described built-in corrugated sheet steel part and stiffened steel plates is all enclosed with one deck pitch.
The above-mentioned bridge floor seamless process stretching device based on corrugated sheet steel, is characterized in that: multiple described WELDING STUDS is quincunx laying, in described corrugated steel section the WELDING STUDS of fixing all be positioned on the crest of corrugated steel section; Multiple described anchoring piece lays on the same line and it is laid from left to right along direction across bridge, and multiple described anchoring piece is all laid on the crest of corrugated steel section.
The above-mentioned bridge floor seamless process stretching device based on corrugated sheet steel, is characterized in that: described flat plate section is rectangle steel plate, the structure of described stiffened steel plates is all identical with flat plate section with size; The width of described stiffened steel plates is greater than the maximum open amount at described shrinkage joint, and the thickness of slab of stiffened steel plates is greater than the thickness of slab of flat plate section; Described sliding panel is the smooth and steel plate be fixed on described girder revealed section of upper surface.
The utility model compared with prior art has the following advantages:
1, structure simple, reasonable in design and drop into construction cost lower, primarily of compositions such as built-in corrugated sheet steel part, stiffened steel plates, shear key, Expansion Joint filler packed layer, rubber strip, sliding panels.
2, easy construction, during practice of construction, first on two girder revealed sections, lay sliding panel, to mat formation respectively on two girders again concrete bridge deck pavement layer, and the support platform arranged inside concrete bridge deck pavement layer for built-in corrugated sheet steel part two end supports, the concrete bridge deck pavement layer of mating formation is positioned at outside sliding panel; Afterwards, two beam sections on the sliding panel laid install built-in steel plateelement, and multiple WELDING STUDS is welded and fixed in the corrugated steel section of installed built-in steel plateelement, between the corrugated steel section and sliding panel of installed built-in steel plateelement, 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 built-in steel plateelement and sliding panel simultaneously; Subsequently, between the corrugated steel section and sliding panel of built-in steel plateelement, rubber strip is embedded; Then, making bridge floor surface layer (i.e. asphalt concrete pavement) on mated formation concrete bridge deck pavement layer; Finally, installed built-in steel plateelement fills Expansion Joint filler packed layer.
3, 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.
4, built-in steel plateelement 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, adapt to different bridge deck width demands by the quantity and transverse width that adjust built-in steel plateelement light plate part sections, meet different stroke demands by flat plate section and the longitudinal length of corrugated steel section in built-in corrugated sheet steel part.
5, Expansion Joint filler forms closely knit water proof structure, and water resistance is good.Further, the pointing that Expansion Joint filler packed layer adopts is conventional Load materials, easily obtains, and input cost cost is lower.
6, good, the reasonable stress of result of use and stress performance is excellent, long service life, stiffened steel plates is placed between two beam sections, effectively can ensure the vertical rigidity of shrinkage joint seam crossing; Built-in corrugated sheet steel part is placed in stiffened steel plates and two beam sections, sliding panel is provided with between built-in corrugated sheet steel part and beam 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 needs, there is good telescopicing performance, the rapid wear problem of current bridge expanssion joint can be solved.
7, design ingenious, utilize rigidity attachment strap (i.e. stiffened steel plates) and high scalability corrugated sheet (i.e. built-in corrugated sheet steel part) to combine, the stroke of bridge main beam is transferred to corrugated steel section, with large width absorption small deformation; Making Expansion Joint filler packed layer on built-in corrugated sheet steel part, arranges WELDING STUDS and strengthens the compatibility of deformation of built-in steel plateelement and Expansion Joint filler packed layer and the property received of stroke, design rationally ingenious; Corrugated steel section gaps underneath in built-in corrugated sheet steel part embeds rubber strip, has vertical supporting effect.
8, waterproof good endurance, built-in steel plateelement 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.
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, practical value is high and widely applicable, can be applicable to the different bridge construction wide across footpath, different bridge; Meanwhile, can be used for, across a shrinkage joint, also can be used for the shrinkage joint of Abutment.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 built-in steel plateelement light plate part sections quantity and transverse width is adjustable and Expansion Joint filler packed layer and deck paving construct between the advantage such as continuity, bridge floor out-of-flatness, faulting of slab ends that bridge expanssion joint place easily occurs can be overcome, the situation such as 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, the problem such as effectively can solve installation inconvenience, stress performance that existing stretching device exists and durability is poor, application life is shorter.
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 built-in steel plateelement.
Fig. 4 adopts by the utility model the structural representation of built-in corrugated sheet steel part.
Fig. 5 adopts by the utility model the cross-sectional structure schematic diagram of flat plate section and corrugated steel section in built-in corrugated sheet steel part.
Fig. 6 is the top view of Fig. 5.
Fig. 7 adopts by the utility model the structural representation of stiffened steel plates.
Fig. 8 adopts by the utility model the installation position schematic diagram of sliding panel.
Fig. 8-1 adopts by the utility model sliding panel at vertical bridge installation position schematic diagram upwards.
Fig. 9 adopts by the utility model the structural representation of rubber strip.
Figure 10 adopts by the utility model the direction across bridge structural representation of spliced steel plateelement.
Description of reference numerals:
1-built-in corrugated sheet steel part; 1-1-flat plate section; 1-2-corrugated steel section;
2-Expansion Joint filler packed layer; 3-stiffened steel plates; 4-WELDING STUDS;
5-securing member; 6-anchoring piece; 7-sliding panel;
8-rubber strip; 9-beam section; 10-1-intermediate section;
10-2-sidepiece sections; 11-1-concrete bridge deck pavement layer;
11-2-asphalt concrete pavement.
Detailed description of the invention
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8 and Fig. 8-1, the utility model comprises built-in steel plateelement and is filled in the Expansion Joint filler packed layer 2 above described built-in steel plateelement, described built-in steel plateelement is laid on the shrinkage joint stayed between adjacent two the beam sections 9 in front and back of institute's construction bridges girder, the stiffened steel plates 3 that described built-in steel plateelement comprises built-in corrugated sheet steel part 1 and is positioned at below built-in corrugated sheet steel part 1.Institute's construction bridges girder with described shrinkage joint for boundary is divided into from front to back multiple beam section 9, multiple described beam section 9, along vertical bridge to laying, each described beam section 9 is all covered with deck installation structure.The reserved mounting groove installed for described built-in steel plateelement is formed between the deck installation structure that adjacent two the described beam sections 9 in front and back spread, spacing before and after the vertical bridge of described reserved mounting groove is greater than to length between adjacent two described beam sections 9, in described beam section 9, the sections be positioned at below described reserved mounting groove is girder revealed section.Described Expansion Joint filler packed layer 2 is filled in described reserved mounting groove and it is connected between deck installation structure that beam section 9 described in former and later two spreads.Described girder revealed section is all mated formation and has sliding panel 7, before and after the both sides of described built-in corrugated sheet steel part 1 are supported in respectively adjacent two described beam sections 9 girder revealed section on the sliding panel 7 that spreads, and the two ends of built-in corrugated sheet steel part 1 are provided with multiple anchoring piece 6 be anchored on described deck installation structure.Described built-in corrugated sheet steel part 1 comprises the corrugated steel section 1-2 that flat plate section 1-1 and two lays respectively at flat plate section 1-1 both sides, above the shrinkage joint that described flat plate section 1-1 stays between adjacent two the described beam sections 9 in front and back.Each described corrugated steel section 1-2 is provided with multiple WELDING STUDS 4, and multiple described WELDING STUDS 4 is all embedded in Expansion Joint filler packed layer 2, and is fastenedly connected by multiple described WELDING STUDS 4 between corrugated steel section 1-2 and Expansion Joint filler packed layer 2 and is integrated.Described stiffened steel plates 3 pad is loaded on below flat plate section 1-1, and the both sides of stiffened steel plates 3 be supported in respectively before and after adjacent two described beam sections 9 girder revealed section on the sliding panel 7 that spreads.Described stiffened steel plates 3 is provided with multiple securing member 5, described flat plate section 1-1 have multiple respectively for the installing hole that multiple described securing member 5 is installed, described stiffened steel plates 3 is parallel laying with flat plate section 1-1 and is connected to one by multiple described securing member 5 therebetween, multiple described securing member 5 is all embedded in Expansion Joint filler packed layer 2, and flat plate section 1-1 and being all fastenedly connected by multiple described securing member 5 between stiffened steel plates 3 and Expansion Joint filler packed layer 2 is integrated.Wherein, the spacing between adjacent two the described beam sections 9 in front and back is the spacing distance between adjacent two the described beam sections 9 in front and back, the joint gap namely between adjacent two described beam sections 9.
In the present embodiment, described beam section 11 is reinforced concrete beam.
During practice of construction, described beam section 11 also can be girder steel.
In the present embodiment, described shrinkage joint is T-shaped.
As shown in Figure 9, all pad between each crest of each described corrugated steel section 1-2 and sliding panel 7 rubber strip 8 is housed.
In the present embodiment, the cross section of described rubber strip 8 is isosceles trapezoid.In actual use procedure, described rubber strip 8 also can adopt the elastic spacer of other type.
In the present embodiment, described built-in steel plateelement is that direction across bridge is laid, and in described built-in corrugated sheet steel part 1, the ripple direction of corrugated steel section 1-2 is direction across bridge.
During actual use, described built-in steel plateelement is Integral Steel plate or spliced steel plateelement.During practice of construction, when the bridge deck width of institute's construction bridges is less, described built-in steel plateelement 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 built-in steel plateelement adopts spliced steel plateelement.Described Integral Steel plate is made up of a built-in corrugated sheet steel part 1 and a stiffened steel plates 3 be positioned at below built-in corrugated sheet steel part 1.
As shown in Figure 10, described spliced steel plateelement is spliced by multiple steel plateelement sections, the structure of multiple described steel plateelement sections all identical and its lay from left to right along direction across bridge, each described steel plateelement sections forms by a built-in corrugated sheet steel part 1 and a stiffened steel plates 3 be positioned at below built-in corrugated sheet steel part 1.
Actually add man-hour, described Integral Steel plate and each described steel plateelement sections form by a monoblock steel plate compacting.
In the present embodiment, the quantity of described spliced steel plateelement light plate part sections is 2N+1, and wherein N is positive integer and N >=1; 2N+1 described steel plateelement sections comprises intermediate section 10-1 and 2N sidepiece sections 10-2; 2N described sidepiece sections 10-2 comprises and is N number ofly positioned at left side sections on the left of intermediate section 10-1 and N number of right side sections be positioned on the right side of intermediate section 10-1, 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.
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, described intermediate section 10-1 is positioned at above 2N described sidepiece sections 10-2; 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 10-1 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 2 can be realized.
In the present embodiment, described corrugated steel section 1-2 is profiled sheet.Further, the outside of described built-in corrugated sheet steel part 1 and stiffened steel plates 3 is all enclosed with one deck pitch.After parcel pitch, not only make the antiseptic power of built-in corrugated sheet steel part 1 and stiffened steel plates 3 strengthen, and make the better in conjunction with effect of built-in corrugated sheet steel part 1 and stiffened steel plates 3 and Expansion Joint filler packed layer 2, globality is stronger.
And, described corrugated steel section 1-2 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.
In the present embodiment, described deck installation structure comprises the concrete bridge deck pavement layer 11-1 mated formation in beam the section 9 and asphalt concrete pavement 11-2 mated formation on concrete bridge deck pavement layer 11-1, the concrete bridge deck pavement layer 11-1 that adjacent two the described beam sections 9 in front and back spread is provided with the support platform of the two end supports for built-in corrugated sheet steel part 1, multiple described anchoring piece 6 is all anchored in described support platform.The reserved mounting groove installed for described built-in steel plateelement is formed between the deck installation structure that girder revealed section two described beam sections 9 adjacent with front and back of adjacent two the described beam sections 9 in front and back spread.
Actually add man-hour, multiple described WELDING STUDS 4 in quincunx laying, on described corrugated steel section 1-2 the WELDING STUDS 4 of fixing all be positioned on the crest of corrugated steel section 1-2; Multiple described anchoring piece 6 lays on the same line and it is laid from left to right along direction across bridge, and multiple described anchoring piece 6 is all laid on the crest of corrugated steel section 1-2.In the present embodiment, in the middle part of each crest of each described corrugated steel section 1-2, be provided with the described WELDING STUDS 4 of a row, often arrange described WELDING STUDS 4 and include multiple WELDING STUDS 4 laid from left to right.
In the present embodiment, multiple described anchoring piece 6 lays on the same line and it is laid from left to right along direction across bridge.Multiple described anchoring piece 6 is all laid on the crest of corrugated steel section 1-2.Further, described anchoring piece 6 is standing screw.
In the present embodiment, multiple described beam section 9 is all laid in level, multiple described anchoring piece 6 all in vertical to laying.
Actually add man-hour, described securing member 5 comprises the fastening screw be fixed on stiffened steel plates 3 and the nut be arranged on described fastening screw, and described nut is positioned on flat plate section 1-1.Further, described fastening screw is weldingly fixed on stiffened steel plates 3.
In the present embodiment, described fastening screw is vertically to laying.
Actually add man-hour, described flat plate section 1-1 is rectangle steel plate, and the structure of described stiffened steel plates 3 is all identical with flat plate section 1-1 with size.The width of described stiffened steel plates 3 is greater than the maximum open amount at described shrinkage joint, and the thickness of slab of stiffened steel plates 3 is greater than the thickness of slab of flat plate section 1-1.Described sliding panel 7 is the smooth and steel plate be fixed on described girder revealed section of upper surface.Herein, the width of described stiffened steel plates 3 refers to the vertical bridge of described stiffened steel plates 3 to length.
As shown in Figure 8, on each described girder revealed section the quantity of sliding panel 7 of mating formation be multiple, multiple described sliding panel 7 is laid from left to right along the direction across bridge direction of institute's construction bridges girder, and described sliding panel 7 is rectangular slab and it is along vertical bridge to laying.In the present embodiment, described sliding panel 7 is strip slide plate.
In the present embodiment, the structure of multiple described sliding panel 7 is all identical with size and it is interval laying.Multiple described sliding panel 7 is laid at grade.
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 bridge floor seamless process stretching device based on corrugated sheet steel, it is characterized in that: comprise built-in steel plateelement and be filled in the Expansion Joint filler packed layer (2) above described built-in steel plateelement, described built-in steel plateelement is laid on the shrinkage joint stayed between adjacent two the beam sections (9) in front and back of institute's construction bridges girder, and described built-in steel plateelement comprises built-in corrugated sheet steel part (1) and is positioned at the stiffened steel plates (3) of built-in corrugated sheet steel part (1) below, institute's construction bridges girder with described shrinkage joint for boundary is divided into from front to back multiple beam section (9), multiple described beam section (9), along vertical bridge to laying from front to back, each described beam section (9) is all covered with deck installation structure, the reserved mounting groove installed for described built-in steel plateelement is formed between the deck installation structure that adjacent two the described beam sections (9) in front and back spread, spacing before and after the vertical bridge of described reserved mounting groove is greater than to length between adjacent two described beam sections (9), in described beam section (9), the sections be positioned at below described reserved mounting groove is girder revealed section, described Expansion Joint filler packed layer (2) is filled in described reserved mounting groove and it is connected between deck installation structure that beam section (9) described in former and later two spreads, sliding panel (7) is equipped with on described girder revealed section upper berth, before and after the both sides of described built-in corrugated sheet steel part (1) are supported in respectively adjacent two described beam sections (9) girder revealed section on the sliding panel (7) that spreads, and the two ends of built-in corrugated sheet steel part (1) are provided with multiple anchoring piece (6) be anchored on described deck installation structure, described built-in corrugated sheet steel part (1) comprises the corrugated steel section (1-2) that flat plate section (1-1) and two lay respectively at flat plate section (1-1) both sides, above the shrinkage joint stayed between adjacent two described beam sections (9) before and after described flat plate section (1-1) is positioned at, each described corrugated steel section (1-2) is provided with multiple WELDING STUDS (4), multiple described WELDING STUDS (4) is all embedded in Expansion Joint filler packed layer (2), and is fastenedly connected by multiple described WELDING STUDS (4) between corrugated steel section (1-2) and Expansion Joint filler packed layer (2) and is integrated, described stiffened steel plates (3) pad is loaded on flat plate section (1-1) below, and the both sides of stiffened steel plates (3) be supported in respectively before and after adjacent two described beam sections (9) girder revealed section on the sliding panel (7) that spreads, described stiffened steel plates (3) is provided with multiple securing member (5), described flat plate section (1-1) has multiple installing hole supplying multiple described securing member (5) to install respectively, described stiffened steel plates (3) and flat plate section (1-1) are connected to one by multiple described securing member (5) in parallel laying and therebetween, multiple described securing member (5) is all embedded in Expansion Joint filler packed layer (2), and flat plate section (1-1) and being all fastenedly connected by multiple described securing member (5) between stiffened steel plates (3) and Expansion Joint filler packed layer (2) is integrated.
2. according to the bridge floor seamless process stretching device based on corrugated sheet steel according to claim 1, it is characterized in that: described deck installation structure comprises the concrete bridge deck pavement layer (11-1) of mating formation in beam section (9) and the asphalt concrete pavement (11-2) of mating formation on concrete bridge deck pavement layer (11-1), the concrete bridge deck pavement layer (11-1) that adjacent two the described beam sections (9) in front and back spread is provided with the support platform of the two end supports for built-in corrugated sheet steel part (1), multiple described anchoring piece (6) is all anchored in described support platform.
3. according to the bridge floor seamless process stretching device based on corrugated sheet steel described in claim 1 or 2, it is characterized in that: on each described girder revealed section the quantity of sliding panel of mating formation (7) be multiple, multiple described sliding panel (7) is laid from left to right along the direction across bridge direction of institute's construction bridges girder, and described sliding panel (7) is for rectangular slab and it is along vertical bridge to laying.
4. according to the bridge floor seamless process stretching device based on corrugated sheet steel described in claim 1 or 2, it is characterized in that: all pad between each crest of each described corrugated steel section (1-2) and sliding panel (7) and a rubber strip (8) is housed.
5. according to the bridge floor seamless process stretching device based on corrugated sheet steel described in claim 1 or 2, it is characterized in that: described built-in steel plateelement is that direction across bridge is laid, and in described built-in corrugated sheet steel part (1), the ripple direction of corrugated steel section (1-2) is direction across bridge.
6. according to the bridge floor seamless process stretching device based on corrugated sheet steel described in claim 1 or 2, it is characterized in that: described built-in steel plateelement is Integral Steel plate or spliced steel plateelement; The stiffened steel plates (3) that described Integral Steel plate is positioned at built-in corrugated sheet steel part (1) below by a built-in corrugated sheet steel part (1) and one forms; Described spliced steel plateelement is spliced by multiple steel plateelement sections, the structure of multiple described steel plateelement sections all identical and its lay from left to right along direction across bridge, each described steel plateelement sections by a built-in corrugated sheet steel part (1) and one be positioned at built-in corrugated sheet steel part (1) below stiffened steel plates (3) composition.
7. according to the bridge floor seamless process stretching device based on corrugated sheet steel according to claim 6, it is characterized in that: the quantity of described spliced steel plateelement light plate part sections is 2N+1, and wherein N is positive integer and N >=1; 2N+1 described steel plateelement sections comprises an intermediate section (10-1) and 2N sidepiece sections (10-2); 2N described sidepiece sections (10-2) comprises and is N number ofly positioned at the left side sections in intermediate section (10-1) left side and N number of right side sections being positioned at intermediate section (10-1) 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. according to the bridge floor seamless process stretching device based on corrugated sheet steel described in claim 1 or 2, it is characterized in that: described corrugated steel section (1-2) is profiled sheet; The outside of described built-in corrugated sheet steel part (1) and stiffened steel plates (3) is all enclosed with one deck pitch.
9. according to the bridge floor seamless process stretching device based on corrugated sheet steel described in claim 1 or 2, it is characterized in that: multiple described WELDING STUDS (4) in quincunx laying, on described corrugated steel section (1-2) the WELDING STUDS (4) of fixing all be positioned on the crest of corrugated steel section (1-2); Multiple described anchoring piece (6) is laid on the same line and it is laid from left to right along direction across bridge, and multiple described anchoring piece (6) is all laid on the crest of corrugated steel section (1-2).
10. according to the bridge floor seamless process stretching device based on corrugated sheet steel described in claim 1 or 2, it is characterized in that: described flat plate section (1-1) is rectangle steel plate, the structure of described stiffened steel plates (3) is all identical with flat plate section (1-1) with size; The width of described stiffened steel plates (3) is greater than the maximum open amount at described shrinkage joint, and the thickness of slab of stiffened steel plates (3) is greater than the thickness of slab of flat plate section (1-1); Described sliding panel (7) is the smooth and steel plate be fixed on described girder revealed section for upper surface.
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| CN201520113035.6U CN204475160U (en) | 2015-02-16 | 2015-02-16 | Based on the bridge floor seamless process stretching device of corrugated sheet steel |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108035245A (en) * | 2017-12-26 | 2018-05-15 | 福州大学 | Novel fabricated seamless expansion-contraction devices and its construction method |
| CN110258289A (en) * | 2019-05-24 | 2019-09-20 | 东南大学 | Prestressed concrete continuous box girder bridge laterally spells wide structure |
| CN110644360A (en) * | 2019-10-24 | 2020-01-03 | 福州大学 | Expansion joint structure suitable for seamless bridge approach plate and construction method |
| CN110725194A (en) * | 2019-11-19 | 2020-01-24 | 福州大学 | Variable-spacing absorption device and construction method thereof |
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2015
- 2015-02-16 CN CN201520113035.6U patent/CN204475160U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108035245A (en) * | 2017-12-26 | 2018-05-15 | 福州大学 | Novel fabricated seamless expansion-contraction devices and its construction method |
| CN110258289A (en) * | 2019-05-24 | 2019-09-20 | 东南大学 | Prestressed concrete continuous box girder bridge laterally spells wide structure |
| CN110258289B (en) * | 2019-05-24 | 2021-04-27 | 东南大学 | Transverse width splicing structure of prestressed concrete continuous box girder bridge |
| CN110644360A (en) * | 2019-10-24 | 2020-01-03 | 福州大学 | Expansion joint structure suitable for seamless bridge approach plate and construction method |
| CN110725194A (en) * | 2019-11-19 | 2020-01-24 | 福州大学 | Variable-spacing absorption device and construction method thereof |
| CN110725194B (en) * | 2019-11-19 | 2024-05-31 | 福州大学 | Unequal-spacing suction transformation device and construction method thereof |
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