CN204475162U - Based on the bridge floor seamless process stretching device of type transverse joint plate of putting more energy into - Google Patents

Based on the bridge floor seamless process stretching device of type transverse joint plate of putting more energy into Download PDF

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Publication number
CN204475162U
CN204475162U CN201520113238.5U CN201520113238U CN204475162U CN 204475162 U CN204475162 U CN 204475162U CN 201520113238 U CN201520113238 U CN 201520113238U CN 204475162 U CN204475162 U CN 204475162U
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China
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plate
sections
energy
bridge
expansion
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CN201520113238.5U
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Chinese (zh)
Inventor
王卫山
袁卓亚
刘永健
陈军
杜进生
宋彬
王旭
侯登峰
石雄伟
高诣民
高延芳
舒涛
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Xian Highway Research Institute
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Xian Highway Research Institute
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Abstract

The utility model discloses a kind of bridge floor seamless process stretching device based on type transverse joint plate of putting more energy into, comprise premoulded expansion assembly and be filled in the Expansion Joint filler packed layer above premoulded expansion assembly, stay on shrinkage joint between adjacent two beam sections before and after premoulded expansion assembly is laid in; Formed for reserved mounting groove between the deck installation structure that adjacent two the beam sections in front and back spread, the sections be positioned in beam section below reserved mounting groove is girder revealed section, and sliding layer is equipped with on girder revealed section upper berth; Premoulded expansion assembly comprises the waveform expansion and contraction plate that put more energy into type transverse joint plate and two are connected to type transverse joint plate both sides of putting more energy into; The type transverse joint plate of putting more energy into comprises troughing plate, multiple open pore steel plate rib and multiple tracks connecting reinforcement; Waveform expansion and contraction plate comprises corrugated sheet steel, vertical junction plate and side plate.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

Based on the bridge floor seamless process stretching device of type transverse joint plate of putting more energy into
Technical field
The utility model belongs to Bridge Expansion Joints Coustruction Technology field, especially relates to a kind of bridge floor seamless process stretching device based on type transverse joint plate of putting more energy into.
Background technology
Bridge extension joint be for make vehicle smoothly pass bridge floor and meet bridge floor distortion needs, at the device that bridge floor expansion joint place is arranged.Stretching device is link the weakest in bridge construction, because stretching device directly bears the percussion of wheel cyclic reverse loading, even if there is very small out-of-flatness, this place will be made under carload effect to be severely affected effect, the most easily to be destroyed and the replacing that needs repairing.Slightly defect and deficiency in design or construction, will cause its early stage damage, this not only directly makes bridge passenger feel uncomfortable, lacks the sense of security, sometimes also can have influence on the normal use of bridge construction itself.Cause the general damaged reason of stretching device, except the magnitude of traffic flow increases, heavy vehicle increases (percussion obviously increases) outward, design, construction and maintenance aspect also can not be ignored, moreover bridge floor suddenlys change in expansion joint position rigidity, again under the repeated action of fast running vehicular load, its application life is had a strong impact on.Thus, bridge extension joint rapid wear problem is a great problem of highway communication always.To sum up, due to shrinkage joint long term exposure in an atmosphere, environment for use is severe, and directly subjects traffic loading, adds the defect that design, construction and maintenance aspect exist, and makes the very easily damaged destruction also thereupon causing bridge floor and beam and slab structure of stretching device; Meanwhile, the inefficacy at shrinkage joint can increase vehicular impact power again, worsens driving conditions and bridge force-bearing, forms vicious circle.
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 type transverse joint plate of putting more energy into 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 type transverse joint plate of putting more energy into, it is characterized in that: comprise premoulded expansion assembly and be filled in Expansion Joint filler packed layer above described premoulded expansion assembly, described premoulded expansion assembly is laid on the shrinkage joint stayed between adjacent two the beam sections in front and back of institute's construction bridges girder; 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 from front to back, and each described beam Duan Shangjun is covered with deck installation structure; The reserved mounting groove installed for described premoulded expansion assembly 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, and sliding layer is equipped with on described girder revealed section upper berth; 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 premoulded expansion assembly comprises the waveform expansion and contraction plate that put more energy into type transverse joint plate and two are connected to type transverse joint plate both sides of putting more energy into, and the structure of two described waveform expansion and contraction plates is identical, and put more energy into type transverse joint plate and two described waveform expansion and contraction plates are all laid along direction across bridge;
Described type transverse joint plate of putting more energy into comprises troughing plate, is multiplely laid in open pore steel plate rib in described troughing plate from left to right along direction across bridge and multiple tracks is through at the connecting reinforcement laid on multiple described open pore steel plate rib and along direction across bridge, multiple described open pore steel plate rib all along vertical bridge to laying and its structure and size are all identical, connecting reinforcement described in multiple tracks is all laid on same plane; Described open pore steel plate rib is be the elongate steel plate of vertical runs with described troughing plate, and the middle part of open pore steel plate rib has multiple respectively for the through hole that connecting reinforcement described in multiple tracks passes from front to back; Before and after the both sides of described troughing plate are supported in respectively adjacent two described beam sections girder revealed section on the sliding layer that spreads; Described in multiple described open pore steel plate rib and multiple tracks, connecting reinforcement forms the frame type reinforcing structure in described troughing plate, and connecting reinforcement described in multiple tracks is all embedded in Expansion Joint filler packed layer;
The side plate that described waveform expansion and contraction plate comprises corrugated sheet steel, is connected to the vertical junction plate inside corrugated sheet steel and is connected to outside corrugated sheet steel, described corrugated sheet steel is connected with described troughing plate by vertical junction plate, and side plate is anchored on described deck installation structure by multiple anchoring piece; Each described corrugated sheet steel 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 sheet steel and Expansion Joint filler packed layer and is integrated.
The above-mentioned bridge floor seamless process stretching device based on type transverse joint plate of putting more energy into, 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, and multiple described anchoring piece is all anchored on concrete bridge deck pavement layer.
The above-mentioned bridge floor seamless process stretching device based on type transverse joint plate of putting more energy into, 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.
The above-mentioned bridge floor seamless process stretching device based on type transverse joint plate of putting more energy into, is characterized in that: all pad between each crest of each described corrugated sheet steel and sliding panel and an elastic spacer is housed.
The above-mentioned bridge floor seamless process stretching device based on type transverse joint plate of putting more energy into, is characterized in that: described premoulded expansion assembly is integrated support structure or spliced component; Described integrated support structure is made up of put more energy into type transverse joint plate and two waveform expansion and contraction plates; Described spliced component 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 is by put more energy into type transverse joint plate and two waveform expansion and contraction plates composition; The quantity of splicing sections in described spliced component 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.
The above-mentioned bridge floor seamless process stretching device based on type transverse joint plate of putting more energy into, it is characterized in that: the vertical wing plate that described troughing plate is separately fixed at above flat plate both sides by flat plate and two forms, above the shrinkage joint stayed between adjacent two described beam sections before and after described flat plate straddles; The upper level of two described vertical wing plates is identical, and the upper level of multiple described open pore steel plate rib is all identical with the upper level of vertical wing plate; The vertical junction plate of two described waveform expansion and contraction plates respectively with two described vertical wing plate be close to, and the vertical junction plate of two described waveform expansion and contraction plates is fastenedly connected respectively by multiple fastening bolt and two described vertical wing plates.
The above-mentioned bridge floor seamless process stretching device based on type transverse joint plate of putting more energy into, it is characterized in that: the upper level of described side plate is identical with the crest overhead height of corrugated sheet steel, the upper level of described vertical wing plate is identical with the upper level of side plate, and the floor height of described flat plate is identical with the trough bottom level 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 above-mentioned bridge floor seamless process stretching device based on type transverse joint plate of putting more energy into, is characterized in that: described connecting reinforcement is indented bars; The structure of connecting reinforcement described in multiple tracks is all identical with size; Described through hole is circular hole, and the diameter of described connecting reinforcement is less than the aperture of circular hole.
The above-mentioned bridge floor seamless process stretching device based on type transverse joint plate of putting more energy into, it is characterized in that: described premoulded expansion assembly also comprises multiple positive stop be laid in bottom described troughing plate, multiple described positive stop to be laid and it is all between the girder revealed section of adjacent two the described beam sections in front and back from front to back along the center line of described troughing plate.
The above-mentioned bridge floor seamless process stretching device based on type transverse joint plate of putting more energy into, it is characterized in that: described troughing plate is rectangle and its width is greater than the maximum open amount at described shrinkage joint, described open pore steel plate rib is vertically to laying, connecting reinforcement described in multiple tracks is all laid on same plane, two described waveform expansion and contraction plates are symmetrically laid, and corrugated sheet steel is profiled sheet; The outside of described troughing plate, open pore steel plate rib and waveform expansion and contraction plate is all enclosed with one deck pitch.
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 troughing plate, open pore steel plate rib, connecting reinforcement, waveform expansion and contraction plate, WELDING STUDS, elastic cushion block, and each component form is simple, for conventional components in engineering, the connected mode of each component is bolt or welding, and wherein troughing plate, open pore steel plate rib and connecting reinforcement form type transverse joint plate of putting more energy into.
2, premoulded expansion assembly is made up of put more energy into type transverse joint plate and two waveform expansion and contraction plates being connected to type transverse joint plate both sides of putting more energy into, each component of premoulded expansion assembly 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 premoulded expansion assembly 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, the type transverse joint plate of putting more energy into straddles between two beam sections, and its structure is simple.Reasonable in design and stressed effect good, this type transverse joint plate of putting more energy into comprises troughing plate, multiplely be laid in open pore steel plate rib in troughing plate from left to right along direction across bridge and multiple tracks is through at the connecting reinforcement laid on multiple open pore steel plate rib and along direction across bridge, multiple open pore steel plate rib and multiple tracks connecting reinforcement composition are positioned at the frame type reinforcing structure of troughing plate, and multiple tracks connecting reinforcement is all embedded in Expansion Joint filler packed layer, the processing of frame type reinforcing structure is easy and result of use good, effectively can strengthen the rigidity of bridge floor in expansion joint position, and dilatation demand can be met, bridge floor can be effectively avoided to suddenly change in expansion joint position generation rigidity.
3, reliable construction quality, the crudy of the premoulded expansion assembly 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, premoulded expansion assembly both can adopt integrated support structure, also can adopt spliced component, 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 premoulded expansion assembly, different strokes is realized from the longitudinal length of waveform expansion and contraction plate by type transverse joint plate of putting more energy in premoulded expansion assembly, each splicing sections of premoulded expansion assembly 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, premoulded expansion assembly 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 the type transverse joint plate of putting more energy into is placed between adjacent two beam sections, effectively can ensure the vertical rigidity of shrinkage joint seam crossing; Two bellows plates are placed in two beam sections, and type of putting more energy into transverse joint plate and be provided with sliding layer between bellows plate 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, rigidity attachment strap (type of namely putting more energy into transverse joint plate) and high scalability corrugated sheet (i.e. waveform expansion and contraction plate) is utilized to be combined to form premoulded expansion assembly, the stroke of bridge main beam is transferred to waveform expansion and contraction plate, absorbs small deformation with large width; Further, utilize the slip of premoulded expansion assembly and sliding layer, stroke is transferred to corrugated steel section; Making Expansion Joint filler packed layer on premoulded expansion assembly, arranges WELDING STUDS and strengthens premoulded expansion assembly 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 premoulded expansion assembly 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 two girder revealed sections, lay sliding panel, to mat formation respectively on two girders again concrete bridge deck pavement layer, and the faulting of slab ends arranged inside concrete bridge deck pavement layer for premoulded expansion assembly 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 premoulded expansion assembly, and multiple WELDING STUDS is welded and fixed on the bellows plate of installed premoulded expansion assembly, between installed premoulded expansion assembly 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 premoulded expansion assembly and sliding panel simultaneously; Subsequently, between premoulded expansion assembly 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; Finally, Expansion Joint filler packed layer filled by installed premoulded expansion assembly.
12, 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 simple, each splicing sections of premoulded expansion modular construction 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 bridge expanssion 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 premoulded expansion assembly.
Fig. 4 adopts by the utility model the structural representation of type transverse joint plate of putting more energy into.
Fig. 5 adopts by the utility model the cross-sectional configuration schematic diagram of waveform expansion and contraction plate.
Fig. 6 adopts by the utility model the structural representation of waveform expansion and contraction plate and WELDING STUDS.
Fig. 7 adopts by the utility model the installation position schematic diagram of positive stop bottom type transverse joint plate of putting more energy into.
Fig. 8 is the upward view of Fig. 7.
Fig. 9 adopts by the utility model the structural representation of isosceles trapezoid rubber strip.
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 component.
Description of reference numerals:
1-type of putting more energy into transverse joint plate; 1-1-flat plate; 1-2-vertical wing plate;
1-3-open pore steel plate rib; 1-4-circular hole; 1-5-the first bolt mounting holes;
2-waveform expansion and contraction plate; 2-1-corrugated sheet steel; 2-2-vertical junction plate;
2-3-side plate; 2-4-anchor hole; 2-5-the second bolt mounting holes;
3-Expansion Joint filler packed layer; 4-WELDING STUDS; 5-indented bars;
6-fastening bolt; 7-anchoring piece; 8-1-isosceles trapezoid rubber strip;
8-2-right-angled trapezium rubber strip; 9-positive stop; 10-sliding layer;
10-1-sliding panel; 11-beam section; 12-1-concrete bridge deck pavement layer;
12-2-asphalt concrete pavement; 13-1-intermediate section; 13-2-sidepiece sections.
Detailed description of the invention
As shown in Figure 1 and Figure 2, the utility model comprises premoulded expansion assembly and is filled in Expansion Joint filler packed layer 3 above described premoulded expansion assembly, and described premoulded expansion assembly is laid on the shrinkage joint stayed between adjacent two the beam sections 11 in front and back of institute's construction bridges girder.Institute's construction bridges girder with described shrinkage joint for boundary is divided into from front to back multiple beam section 11, multiple described beam section 11, along vertical bridge to laying from front to back, each described beam section 11 is all covered with deck installation structure.The reserved mounting groove installed for described premoulded expansion assembly is formed between the deck installation structure that adjacent two the described beam sections 11 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 11, in described beam section 11, the sections be positioned at below described reserved mounting groove is girder revealed section, and sliding layer 10 is equipped with on described girder revealed section upper berth.Described Expansion Joint filler packed layer 3 is filled in described reserved mounting groove and it is connected between deck installation structure that beam section 11 described in former and later two spreads.As shown in Figure 3, described premoulded expansion assembly comprises the waveform expansion and contraction plate 2 that put more energy into type transverse joint plate 1 and two are connected to type transverse joint plate 1 both sides of putting more energy into, the structure of two described waveform expansion and contraction plates 2 is identical, and put more energy into type transverse joint plate 1 and two described waveform expansion and contraction plates 2 are all laid along direction across bridge.Wherein, the spacing between adjacent two the described beam sections 11 in front and back is the spacing distance between adjacent two the described beam sections 11 in front and back, the joint gap namely between adjacent two described beam sections 11.
As shown in Figure 4, described type transverse joint plate 1 of putting more energy into comprises troughing plate, is multiplely laid in open pore steel plate rib 1-3 in described troughing plate from left to right along direction across bridge and multiple tracks is through at the connecting reinforcement laid on multiple described open pore steel plate rib 1-3 and along direction across bridge, multiple described open pore steel plate rib 1-3 all along vertical bridge to laying and its structure and size are all identical, connecting reinforcement described in multiple tracks is all laid on same plane.Described open pore steel plate rib 1-3 is be the elongate steel plate of vertical runs with described troughing plate, and the middle part of open pore steel plate rib 1-3 has multiple respectively for the through hole that connecting reinforcement described in multiple tracks passes from front to back.Before and after the both sides of described troughing plate are supported in respectively adjacent two described beam sections 11 girder revealed section on the sliding layer 10 that spreads.Described in multiple described open pore steel plate rib 1-3 and multiple tracks, connecting reinforcement forms the frame type reinforcing structure in described troughing plate, and connecting reinforcement described in multiple tracks is all embedded in Expansion Joint filler packed layer 3.
As shown in Figure 5, Figure 6, the side plate 2-3 that described waveform expansion and contraction plate 2 comprises corrugated sheet steel 2-1, is connected to the vertical junction plate 2-2 inside corrugated sheet steel 2-1 and is connected to outside corrugated sheet steel 2-1, described corrugated sheet steel 2-1 is connected with described troughing plate by vertical junction plate 2-2, and side plate 2-3 is anchored on described deck installation structure by multiple anchoring piece 7; Each described corrugated sheet steel 2-1 is provided with multiple WELDING STUDS 4, and multiple described WELDING STUDS 4 is all embedded in Expansion Joint filler packed layer 3, and is fastenedly connected by multiple described WELDING STUDS 4 between corrugated sheet steel 2-1 and Expansion Joint filler packed layer 3 and is integrated.
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 deck installation structure comprises the concrete bridge deck pavement layer 12-1 mated formation in beam the section 11 and asphalt concrete pavement 12-2 mated formation on concrete bridge deck pavement layer 12-1, and multiple described anchoring piece 7 is all anchored on concrete bridge deck pavement layer 12-1.
In the present embodiment, described connecting reinforcement is indented bars 5.
Further, the structure of connecting reinforcement described in multiple tracks is all identical with size.Described through hole is circular hole 1-4, and the diameter of described connecting reinforcement is less than the aperture of circular hole 1-4.
In the present embodiment, described connecting reinforcement is one whole reinforcing bar or the spliced reinforcing bar for being spliced from front to back by multiple reinforcing bar sections, is fixedly connected with described in former and later two between reinforcing bar sections with improving bud grafting or with welding manner.
In the present embodiment, described in put more energy between type transverse joint plate 1 with two described waveform expansion and contraction plates 2 and be all connected by multiple fastening bolt 6.Described type transverse joint plate 1 and two the described waveform expansion and contraction plates 2 of putting more energy into are laid at grade.
In the present embodiment, described anchoring piece 7 is standing screw.Further, the height of described standing screw is identical with the thickness of concrete bridge deck pavement layer 12-1.
During actual use, described anchoring piece 7 also can adopt the anchoring element of other type, as crab-bolt etc.
Because connecting reinforcement described in multiple described WELDING STUDS 4 and multiple tracks is all embedded in Expansion Joint filler packed layer 3, type of putting more energy into thus transverse joint plate 1 and two described waveform expansion and contraction plates 2 are fastenedly connected by connecting reinforcement described in multiple described WELDING STUDS 4 and multiple tracks and Expansion Joint filler packed layer 3 and are integrated.
In the present embodiment, multiple described open pore steel plate rib 1-3 is in evenly laying.Further, connecting reinforcement described in multiple tracks is in evenly laying.
During practice of construction, the junction between the concrete bridge deck pavement layer 12-1 that the girder revealed section of described beam section 11 and beam section 11 spread forms the first faulting of slab ends, and described first faulting of slab ends is the mounting groove installed for described premoulded expansion assembly; On the link of adjacent two the described beam sections 11 in front and back, junction between described concrete bridge deck pavement layer 12-1 and asphalt concrete pavement 12-2 forms the second faulting of slab ends, and what form Expansion Joint filler packed layer 3 between described second faulting of slab ends in adjacent two the described beam sections 11 in front and back builds groove.In the present embodiment, the upper surface of described Expansion Joint filler packed layer 3 is mutually concordant with asphalt concrete pavement 12-2 upper surface.
As shown in Figure 10, described sliding layer 10 is made up of multiple sliding panel 10-1, and multiple described sliding panel 10-1 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.Described sliding panel 10-1 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 10-1 is all identical with size and it is interval laying.Multiple described sliding panel 10-1 lays at grade.
In the present embodiment, described sliding panel 10-1 is strip slide plate.Further, multiple described sliding panel 10-1 is all along vertical bridge to laying.
In the present embodiment, described sliding panel 10-1 pastes and is fixed in beam section 11.
During practice of construction, when being fixed sliding panel 10-1, first adopt cement mortar to carry out levelling to beam section 11 needing the position of fixing sliding panel 10-1, described sliding panel 10-1 is the steel sheet that thickness is less.
In the present embodiment, all pad between each crest of each described corrugated sheet steel 2-1 and sliding panel 10 and an elastic spacer is housed.
In the present embodiment, described elastic spacer is rubber strip, and described rubber strip is pasted and fixed on corrugated sheet steel 2-1.
During actual use, also can adopt the elastic strip of other type.
In the present embodiment, the isosceles trapezoid rubber strip 8-1 of described rubber strip to be cross section be isosceles trapezoid or cross section are the right-angled trapezium rubber strip 8-2 of right-angled trapezium.Wherein, described isosceles trapezoid rubber strip 8-1 pastes and embeds below each crest of corrugated sheet steel 2-1, and described right-angled trapezium rubber strip 8-2 pastes and embeds in the crest adjacent with vertical junction plate 2-2 of corrugated sheet steel 2-1.
In actual use procedure, described rubber strip also can adopt the elastic spacer of other type.
In the present embodiment, two base angles of described isosceles trapezoid rubber strip 8-1 are 60 °, and two base angles of right-angled trapezium rubber strip 8-2 are respectively 60 ° and 90 °.
The height of described isosceles trapezoid rubber strip 8-1 and right-angled trapezium rubber strip 8-2 is identical and the two is highly all not less than the spacing between the crest of corrugated sheet steel 2-1 and sliding layer 10, and namely the height of isosceles trapezoid rubber strip 8-1 and right-angled trapezium rubber strip 8-2 is all not less than the wave height of corrugated sheet steel 2-1.In the present embodiment, the height of described isosceles trapezoid rubber strip 8-1 and right-angled trapezium rubber strip 8-2 is about 8cm.The length of described rubber strip is slightly shorter than the direction across bridge width of waveform expansion and contraction plate 2.
And, described troughing plate is rectangle and its width is greater than the maximum open amount at described shrinkage joint, described open pore steel plate rib 1-3 is vertically to laying, connecting reinforcement described in multiple tracks is all laid on same plane, two described waveform expansion and contraction plates 2 are symmetrically laid, and corrugated sheet steel 2-1 is profiled sheet.The width of described troughing plate is greater than the stroke maximum value (i.e. the maximum open amount at described shrinkage joint) at described shrinkage joint, and the width of troughing plate described herein refers to the vertical bridge of described troughing plate to length.
In the present embodiment, described corrugated sheet steel 2-1 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.
As shown in Figure 4, the vertical wing plate 1-2 that described troughing plate is separately fixed at above flat plate 1-1 both sides by flat plate 1-1 and two forms, above the shrinkage joint stayed between adjacent two described beam sections 11 before and after described flat plate 1-1 straddles.The upper level of two described vertical wing plate 1-2 is identical, and the upper level of multiple described open pore steel plate rib 1-3 is all identical with the upper level of vertical wing plate 1-2.Described vertical wing plate 1-2 is close to the vertical junction plate 2-2 of two described waveform expansion and contraction plates 2 with two respectively, and the vertical junction plate 2-2 of two described waveform expansion and contraction plates 2 is fastenedly connected respectively by multiple fastening bolt 6 and two described vertical wing plate 1-2.In the present embodiment, described flat plate 1-1 is rectangular flat.
Composition graphs 5 and Fig. 6, described waveform expansion and contraction plate 2 is rectangle.In the present embodiment, the upper level of described side plate 2-3 is identical with the crest overhead height of corrugated sheet steel 2-1, the upper level of described vertical wing plate 1-2 is identical with the upper level of side plate 2-3, and the floor height of described flat plate 1-1 is identical with the trough bottom level of corrugated sheet steel 2-1.
In the present embodiment, 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 2-1.
In the present embodiment, the vertical junction plate 2-2 of two described waveform expansion and contraction plates 2 is fastenedly connected respectively by multiple described fastening bolt 6 and two described vertical wing plate 1-2 and is integrated.
Further, multiple described fastening bolt 6 be laid in same row upper and its lay from left to right along direction across bridge.Correspondingly, each described vertical wing plate 1-2 all has the first bolt mounting holes 1-5 that a row installs for multiple described fastening bolt 6.
Actually add man-hour, described waveform expansion and contraction plate 2 is suppressed by a monoblock steel plate and is formed, described side plate 2-3 is straight plate, on described side plate 2-3, the interleaved anchor hole 2-4 having two rows to install for anchoring piece 7, described vertical junction plate 2-2 has the second bolt mounting holes 2-5 that a row installs for fastening bolt 6; The height of described vertical junction plate 2-2 is identical with the wave height of corrugated sheet steel 2-1.The ripple direction of described corrugated sheet steel 2-1 is direction across bridge.Described waveform expansion and contraction plate 2 is mill work, need carry out treatment, as outer wrapping one deck pitch.In the present embodiment, the outside of described waveform expansion and contraction plate 2 and described troughing plate is all enclosed with one deck pitch.After parcel pitch, not only make the antiseptic power of waveform expansion and contraction plate 2 and described troughing plate strengthen, and make the better in conjunction with effect of waveform expansion and contraction plate 2 and described troughing plate and Expansion Joint filler packed layer 3, globality is stronger.
In the present embodiment, the outside of described troughing plate and open pore steel plate rib 1-3 is all enclosed with one deck pitch.
Described premoulded expansion assembly is integrated support structure or spliced component.Described integrated support structure is made up of put more energy into type transverse joint plate 1 and two waveform expansion and contraction plates 2.As shown in figure 11, described spliced component 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 forms by put more energy into type transverse joint plate 1 and two waveform expansion and contraction plates 2; The quantity of splicing sections in described spliced component is 2N+1, and wherein N is positive integer and N >=1; 2N+1 described splicing sections comprises intermediate section 13-1 and 2N sidepiece sections 13-2; 2N described sidepiece sections 13-2 comprises and is N number ofly positioned at left side sections on the left of intermediate section 13-1 and N number of right side sections be positioned on the right side of intermediate section 13-1, 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 premoulded expansion assembly adopts integrated support structure; When the bridge deck width of institute's construction bridges is larger (as when institute's construction bridges is double width bridge), described premoulded expansion assembly adopts spliced component.Described Integral Steel plate is made up of put more energy into type transverse joint plate 1 and two waveform expansion and contraction plates 2.
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, adjacent two described splicing sections mutually overlap on direction across bridge direction.
In the present embodiment, described intermediate section 13-1 is positioned at above 2N described sidepiece sections 13-2; 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 13-1 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 3 can be realized.
During practice of construction, when described premoulded expansion assembly adopts integrated support structure, described troughing plate is that level is laid, and described in multiple tracks, connecting reinforcement is laid in same level.
As shown in Figure 7, Figure 8, described premoulded expansion assembly also comprises multiple positive stop 9 be laid in bottom described troughing plate, and multiple described positive stop 9 to be laid and it is all between the girder revealed section of adjacent two the described beam sections 11 in front and back from front to back along the center line of described troughing plate.
In the present embodiment, described positive stop 9 is cube block, and the structure of multiple described positive stop 9 is all identical with size, and the quantity of positive stop 9 is 2 ~ 3.
In the present embodiment, described positive stop 9 is for being weldingly fixed on the steel block bottom described troughing plate.
During actual use, described positive stop 9 also can be block rubber.
In the present embodiment, the length 15cm of described positive stop 9, width are 3cm and its height 5cm.
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 type transverse joint plate of putting more energy into, it is characterized in that: comprise premoulded expansion assembly and be filled in Expansion Joint filler packed layer (3) above described premoulded expansion assembly, described premoulded expansion assembly is laid on the shrinkage joint stayed between adjacent two the beam sections (11) in front and back of institute's construction bridges girder; Institute's construction bridges girder with described shrinkage joint for boundary is divided into from front to back multiple beam section (11), multiple described beam section (11), along vertical bridge to laying from front to back, each described beam section (11) is all covered with deck installation structure; The reserved mounting groove installed for described premoulded expansion assembly is formed between the deck installation structure that adjacent two the described beam sections (11) 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 (11), in described beam section (11), the sections be positioned at below described reserved mounting groove is girder revealed section, and sliding layer (10) is equipped with on described girder revealed section upper berth; Described Expansion Joint filler packed layer (3) is filled in described reserved mounting groove and it is connected between deck installation structure that beam section (11) described in former and later two spreads; Described premoulded expansion assembly comprises the waveform expansion and contraction plate (2) that put more energy into type transverse joint plate (1) and two are connected to type transverse joint plate (1) both sides of putting more energy into, the structure of two described waveform expansion and contraction plates (2) is identical, and put more energy into type transverse joint plate (1) and two described waveform expansion and contraction plates (2) are all laid along direction across bridge;
Described type transverse joint plate (1) of putting more energy into comprises troughing plate, is multiplely laid in open pore steel plate rib (1-3) in described troughing plate and multiple tracks from left to right along direction across bridge and is through at the upper and connecting reinforcement that is that lay along direction across bridge of multiple described open pore steel plate rib (1-3), multiple described open pore steel plate rib (1-3) all along vertical bridge to laying and its structure and size are all identical, connecting reinforcement described in multiple tracks is all laid on same plane; Described open pore steel plate rib (1-3) is be the elongate steel plate of vertical runs with described troughing plate, and the middle part of open pore steel plate rib (1-3) has multiple respectively for the through hole that connecting reinforcement described in multiple tracks passes from front to back; Before and after the both sides of described troughing plate are supported in respectively adjacent two described beam sections (11) girder revealed section on the sliding layer (10) that spreads; Described in multiple described open pore steel plate rib (1-3) and multiple tracks, connecting reinforcement forms the frame type reinforcing structure in described troughing plate, and connecting reinforcement described in multiple tracks is all embedded in Expansion Joint filler packed layer (3);
Described waveform expansion and contraction plate (2) comprises corrugated sheet steel (2-1), is connected to the vertical junction plate (2-2) of corrugated sheet steel (2-1) inner side and is connected to the side plate (2-3) in corrugated sheet steel (2-1) outside, described corrugated sheet steel (2-1) is connected with described troughing plate by vertical junction plate (2-2), and side plate (2-3) is anchored on described deck installation structure by multiple anchoring piece (7); Each described corrugated sheet steel (2-1) is provided with multiple WELDING STUDS (4), multiple described WELDING STUDS (4) is all embedded in Expansion Joint filler packed layer (3), and is fastenedly connected by multiple described WELDING STUDS (4) between corrugated sheet steel (2-1) and Expansion Joint filler packed layer (3) and is integrated.
2. according to the bridge floor seamless process stretching device based on type transverse joint plate of putting more energy into according to claim 1, it is characterized in that: described deck installation structure comprises the concrete bridge deck pavement layer (12-1) of mating formation in beam section (11) and the asphalt concrete pavement (12-2) of mating formation on concrete bridge deck pavement layer (12-1), and multiple described anchoring piece (7) is all anchored on concrete bridge deck pavement layer (12-1).
3. according to the bridge floor seamless process stretching device based on type transverse joint plate of putting more energy into described in claim 1 or 2, it is characterized in that: described sliding layer (10) is made up of multiple sliding panel (10-1), multiple described sliding panel (10-1) 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.
4. according to the bridge floor seamless process stretching device based on type transverse joint plate of putting more energy into according to claim 3, it is characterized in that: all pad between each crest of each described corrugated sheet steel (2-1) and sliding panel (7) and an elastic spacer is housed.
5. according to the bridge floor seamless process stretching device based on type transverse joint plate of putting more energy into described in claim 1 or 2, it is characterized in that: described premoulded expansion assembly is integrated support structure or spliced component; Described integrated support structure is made up of put more energy into type transverse joint plate (1) and two waveform expansion and contraction plates (2); Described spliced component 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 is by put more energy into type transverse joint plate (1) and two waveform expansion and contraction plates (2) composition; The quantity of splicing sections in described spliced component is 2N+1, and wherein N is positive integer and N >=1; 2N+1 described splicing sections comprises an intermediate section (13-1) and 2N sidepiece sections (13-2); 2N described sidepiece sections (13-2) comprises and is N number ofly positioned at the left side sections in intermediate section (13-1) left side and N number of right side sections being positioned at intermediate section (13-1) 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.
6. according to the bridge floor seamless process stretching device based on type transverse joint plate of putting more energy into described in claim 1 or 2, it is characterized in that: the vertical wing plate (1-2) that described troughing plate is separately fixed at above flat plate (1-1) both sides by flat plate (1-1) and two forms, above the shrinkage joint stayed between adjacent two described beam sections (11) before and after described flat plate (1-1) straddles; The upper level of two described vertical wing plates (1-2) is identical, and the upper level of multiple described open pore steel plate rib (1-3) is all identical with the upper level of vertical wing plate (1-2); The vertical junction plate (2-2) of two described waveform expansion and contraction plates (2) respectively with two described vertical wing plate (1-2) be close to, and the vertical junction plate (2-2) of two described waveform expansion and contraction plates (2) is fastenedly connected respectively by multiple fastening bolt (6) and two described vertical wing plates (1-2).
7. according to the bridge floor seamless process stretching device based on type transverse joint plate of putting more energy into according to claim 6, it is characterized in that: the upper level of described side plate (2-3) is identical with the crest overhead height of corrugated sheet steel (2-1), the upper level of described vertical wing plate (1-2) is identical with the upper level of side plate (2-3), and the floor height of described flat plate (1-1) is identical with the trough bottom level of corrugated sheet steel (2-1); 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 (2-1).
8. according to the bridge floor seamless process stretching device based on type transverse joint plate of putting more energy into described in claim 1 or 2, it is characterized in that: described connecting reinforcement is indented bars (5); The structure of connecting reinforcement described in multiple tracks is all identical with size; Described through hole is circular hole (1-4), and the diameter of described connecting reinforcement is less than the aperture of circular hole (1-4).
9. according to the bridge floor seamless process stretching device based on type transverse joint plate of putting more energy into described in claim 1 or 2, it is characterized in that: described premoulded expansion assembly also comprises multiple positive stop (9) be laid in bottom described troughing plate, multiple described positive stop (9) along the center line of described troughing plate lay from front to back and its be all positioned at before and after adjacent two described beam sections (11) girder revealed section between.
10. according to the bridge floor seamless process stretching device based on type transverse joint plate of putting more energy into described in claim 1 or 2, it is characterized in that: described troughing plate is rectangle and its width is greater than the maximum open amount at described shrinkage joint, described open pore steel plate rib (1-3) is vertically to laying, connecting reinforcement described in multiple tracks is all laid on same plane, two described waveform expansion and contraction plates (2) are symmetrically laid, and corrugated sheet steel (2-1) is profiled sheet; The outside of described troughing plate, open pore steel plate rib (1-3) and waveform expansion and contraction plate (2) is all enclosed with one deck pitch.
CN201520113238.5U 2015-02-16 2015-02-16 Based on the bridge floor seamless process stretching device of type transverse joint plate of putting more energy into Withdrawn - After Issue CN204475162U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104674650A (en) * 2015-02-16 2015-06-03 西安公路研究院 Stiffened joint-crossing plate based bridge deck jointless expansion device and construction method thereof
CN107558350A (en) * 2017-09-13 2018-01-09 江苏通余建设工程有限公司 A kind of bridge structure and its construction technology

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104674650A (en) * 2015-02-16 2015-06-03 西安公路研究院 Stiffened joint-crossing plate based bridge deck jointless expansion device and construction method thereof
CN107558350A (en) * 2017-09-13 2018-01-09 江苏通余建设工程有限公司 A kind of bridge structure and its construction technology
CN107558350B (en) * 2017-09-13 2019-04-23 江苏通余建设工程有限公司 A kind of bridge structure and its construction technology

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