CN102383372B - Composite paved deformation joint structure - Google Patents
Composite paved deformation joint structure Download PDFInfo
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- CN102383372B CN102383372B CN 201110241405 CN201110241405A CN102383372B CN 102383372 B CN102383372 B CN 102383372B CN 201110241405 CN201110241405 CN 201110241405 CN 201110241405 A CN201110241405 A CN 201110241405A CN 102383372 B CN102383372 B CN 102383372B
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- deformation joint
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- joint
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- 239000002131 composite material Substances 0.000 title claims abstract description 16
- 230000008093 supporting effect Effects 0.000 claims description 56
- 230000015572 biosynthetic process Effects 0.000 claims description 49
- 230000013011 mating Effects 0.000 claims description 28
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 239000004567 concrete Substances 0.000 claims description 7
- 239000011384 asphalt concrete Substances 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 abstract description 10
- 238000010276 construction Methods 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000010008 shearing Methods 0.000 abstract description 5
- 230000006378 damage Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention discloses a composite paved deformation joint structure which comprises an arched plate and a flexible pavement layer, wherein two arch pins of the arched plate are correspondingly and fixedly arranged to two structure ends of a deformation joint respectively; the arch top of the arched plate is lower than the upper working surfaces of two structures for forming the deformation joint; and the flexible pavement layer is paved on the arched plate for covering the deformation joint and is parallel and level to the upper working surfaces of the two structures for forming the deformation joint. The composite paved deformation joint structure can effectively bear the vertical workload applied by the surface of the deformation joint, be more favorably adapted to the vertical displacement difference and the horizontal relative displacement of the adjacent structure at the joint and provide a smooth and continuous working surface, and therefore, the composite paved deformation joint structure can not suffer obvious movement load impact, reduces impact noise and the probability of generating fatigue damage, can synthesize the advantages of a rigid joint and flexible joint scheme, form a smooth and continuous working surface on the deformation joint and provide enough deformation amount, has high deformation harmony, prevents damage caused under larger shearing force and has the advantages of simple and convenient construction, long service life and low maintenance cost.
Description
Technical field
The present invention relates to a kind of accessory structure of field of civil engineering, particularly a kind of structure for the paving structure deformation joint.
Background technology
Deformation joint is used for field of civil engineering and produces distortion for preventing the buildings such as road and bridge under many factors (variations in temperature, creep deformation, uneven settlement of foundation and earthquake) effect, causes ftractureing and even destroys and the gap of the artificial proper width that arranges.
Deformation joint is between adjacent structure, and particularly in road and bridge construction, the deformation joint joint technique between adjacent structure is very universal.In prior art, the joint form that generally uses mainly comprises: the rigid joint that adopts steel concrete, steel-concrete or steel part etc. to form; And, the flexible joint of employing factory's finished product shrinkage joint formation.The advantage of rigid joint is the work plane that can provide comparatively smooth-going, shortcoming is that being difficult to adapt to the mistake of cutting poor due to foundation settlement between adjacent structure, that the reasons such as the structural concrete creep deformation is poor, physical end outer corner difference cause is out of shape, easily produce larger shearing at seam crossing, often cause the joint filler damage.Relatively stretch and cut wrong distortion what seam crossing produced although flexible joint can be good at adapting to adjacent structure, easily causing the work plane discontinuity condition at seam crossing, affecting structure and use function; The shrinkage joint is impacted by live load also easily to cause that noise is large, material is easy to fatigue failure in addition.
Therefore, need to the seam construction of deformation joint be improved, the advantage of comprehensive rigid joint and flexible joint scheme, form smooth-going continuous face and enough deflections can be provided on deformation joint, compatibility of deformation is good, avoids damaging under larger shearing, constructs simple and convenient, long service life, maintenance cost is low.
Summary of the invention
In view of this, purpose of the present invention provides a kind of composite paved deformation joint structure, be used for the construction of deformation joint seam, comprehensively the advantage of rigid joint and flexible joint scheme, form smooth-going continuous face and enough deflections can be provided on deformation joint, and compatibility of deformation is good, avoid damaging under larger shearing, construct simple and convenient, long service life, maintenance cost is low.
Composite paved deformation joint structure of the present invention, comprise arch sheet and the flexibility layer of mating formation, two arch springings of arch sheet are the corresponding two structure ends that form deformation joint that are fixedly installed on respectively, the vault of arch sheet is lower than work plane on two structures that form deformation joint, and the described flexibility layer of mating formation is paved on and covers deformation joint and concordant with work plane on two structures that form deformation joint on arch sheet.
Further, described arch sheet is made by hot rolled steel plate, and the flexibility layer of mating formation is the modified asphalt concrete layer of mating formation;
Further, two structure ends of described formation deformation joint are fixed with respectively supporting seat, and two arch springings of described arch sheet are fixedly supported to respectively the supporting seat corresponding with it;
Further, two structure ends of described formation deformation joint all form downward ledge structure, and described supporting seat is fixed in this ledge structure;
Further, two supporting seats include upper junction plate, lower connecting plate and the vertical loaded plate of being made by steel plate, upper junction plate is fixedly connected on vertical loaded plate upper end and stretches out, lower connecting plate is fixedly connected on vertical loaded plate lower end and extends internally, the corresponding ledge structure upper surface that fixedly rides over of the upper junction plate of two supporting seats, two arch springings of the corresponding fixed support arch sheet of the lower connecting plate of two supporting seats;
Further, described upper junction plate, lower connecting plate and the vertical one-body molded formation supporting seat of loaded plate;
Further, two arch springing correspondences of described arch sheet are welded in the lower connecting plate upper surface of two supporting seats;
Further, the main body of two structures of described formation deformation joint is steel work, and the upper junction plate of described two supporting seats is or/and vertical loaded plate corresponding being welded on the ledge structure corresponding with it respectively;
Further, the main body of two structures of described formation deformation joint is concrete structure, the upper junction plate of described two supporting seats or/and vertical loaded plate respectively correspondence be anchored on ledge structure;
Further, two structures that form deformation joint are equipped with the layer of mating formation, and ledge structure forms between layer and main structure body by mating formation.
beneficial effect of the present invention: composite paved deformation joint structure of the present invention, the structure that adopts arch sheet and the flexible layer of mating formation to combine is carried out the seam construction to deformation joint, forming the flexibility of mating formation on the arch-shaped steel plate that two structure ends of deformation joint the are fixedly connected with layer of mating formation with arch sheet, forming and two arrangement works face smooth-going continuous surfaces, due to arch structure itself have whole vertical bearing capacity and rigidity larger, the relative vertical displacement rigidity of both sides arch springing and the very little characteristics of relative level displacement rigidity, arch sheet as the deformation joint main member, because of himself arching, have very large vertical rigidity and bearing capacity, can effectively bear the vertical working load of deformation joint surface action, vertical relative displacement rigidity between the arch springing of both sides is very little, in conjunction with the flexibility layer of mating formation, can adapt to preferably adjacent structure in the poor and horizontal relative displacement of the vertical displacement of seam crossing, flexibility mat formation the layer smooth-going continuous working surface can be provided, therefore impacted by obvious traveling load, reduce the possibility of impact noise and generation fatigue failure, therefore the arch-shaped steel plate flexible material of the present invention deformation joint of mating formation can either provide enough surperficial working load bearing capacities at seam crossing, can adapt to well again between adjacent structure level to vertical relative displacement, the comprehensive advantage of rigid joint and flexible joint scheme, form smooth-going continuous face and enough deflections can be provided on deformation joint, compatibility of deformation is good, avoid damaging under larger shearing, construct simple and convenient, long service life, maintenance cost is low.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is structural representation of the present invention.
The specific embodiment
Fig. 1 is structural representation of the present invention, and as shown in the figure: the composite paved deformation joint structure of the present embodiment is specially adapted to road and bridge construction; This structure comprise arch sheet 1 and flexibility mat formation the layer 2, two arch springings of arch sheet 1 are the corresponding two structure ends that form deformation joint that are fixedly installed on respectively, as shown in the figure, two structures that form deformation joint are respectively structure 5 and structure 6, one arch springing of arch sheet 1 is supported in structure 5, and another arch springing of arch sheet 1 is supported in structure 6; The vault of arch sheet 1 is lower than work plane on two structures that form deformation joint, described flexibility is mated formation and 2 is paved on arch sheet 1 and covers deformation joint 7 and concordant with the upper work plane of two structures (structure 5 and structure 6) that form deformation joint, the flexibility layer 2 of mating formation adopts modulus of elasticity similar flexible pavement materials approaching with modified asphalt concrete, have elastic deformation characteristic preferably, be beneficial to the smooth-going continuous working surface of maintenance; In the application, two structures (structure 5 and structure 6) that form deformation joint not only are confined to main structure body itself, if there is the layer of mating formation, also comprise the layer of mating formation that is positioned on main structure body, the upper work plane of indication, namely the two structure upper surfaces (layer of mating formation is arranged, and is namely layer upper surface of mating formation) that form deformation joint.
In the present embodiment, described arch sheet 1 is made by hot rolled steel plate, has processing and welding performance preferably, has simultaneously certain plasticity, can adapt to better the poor and horizontal relative displacement of vertical displacement of two structures (structure 5 and structure 6) that form deformation joint; The flexibility layer of mating formation is the modified asphalt concrete layer of mating formation, and modified asphalt concrete itself has advantages of elasticity and flexible, has the adaptive capacity of the load that withstands shocks preferably, further reduces to occur the generation of fatigue failure;
In the present embodiment, two structures of described formation deformation joint (structure 5 and structure 6) end is fixed with respectively supporting seat, as shown in the figure, comprise supporting seat 3 and supporting seat 4, two arch springings of described arch sheet 1 are fixedly supported to respectively the supporting seat corresponding with it, in figure, an arch springing of arch sheet 1 is fixedly supported to supporting seat 3, and another arch springing of arch sheet 1 is fixedly supported to supporting seat 4; Adopt clamping support, be beneficial to two structures (structure 5 and structure 6) that protection forms deformation joint not the construction because of arch sheet be damaged, guarantee the integrality of main body, thereby guarantee its supporting capacity and extend its application life.
In the present embodiment, two structures of described formation deformation joint (structure 5 and structure 6) ends all forms downward ledge structure, as shown in the figure, and the ledge structure 5a of structure 5 and the ledge structure 6a of structure 6; Described supporting seat is fixed in this ledge structure, and as shown in the figure, supporting seat 3 is fixed in ledge structure 5a, and supporting seat 4 is fixed in ledge structure 6a; All have if form two structures (structure 5 and structure 6) of deformation joint the layer of mating formation, step can be to mat formation to form between layer and main structure body, and the setting of ledge structure can increase arrangement space, is beneficial to parts such as arranging arch sheet.
In the present embodiment, two supporting seats (supporting seat 3 and supporting seat 4) include upper junction plate, lower connecting plate and the vertical loaded plate of being made by steel plate, upper junction plate is fixedly connected on vertical loaded plate upper end and stretches out, lower connecting plate is fixedly connected on vertical loaded plate lower end and extends internally, corresponding ledge structure (ledge structure 5a and the ledge structure 6a) upper surface that fixedly rides over of the upper junction plate of two supporting seats (supporting seat 3 and supporting seat 4), two arch springings of the corresponding fixed support arch sheet of the lower connecting plate of two supporting seats (supporting seat 3 and supporting seat 4); Outwards refer to respect to deformation joint to the both sides of seam, inside be to the center of stitching; Adopt the supporting seat of this structure, take up room little, owing to adopting step and bridging arrangement, contact surface is larger, increases supporting capacity, utilizes vertical loaded plate transmission of pressure and pressure is converted to pulling force, improves supporting effect, avoids the inefficacy in the short time.
In the present embodiment, upper junction plate, lower connecting plate and the vertical one-body molded formation supporting seat of loaded plate, as shown in the figure, supporting seat 3 and supporting seat 4 all are formed in one; Have the strong characteristics of globality, avoid stress to concentrate the destruction that causes; In fact, supporting seat 3 and supporting seat 4 can be all a plurality ofly vertically to arrange along deformation joint, in the time of economical with materials, reduce cost of manufacture.
In the present embodiment, two arch springing correspondences of described arch sheet 1 are welded in the lower connecting plate upper surface of two supporting seats (supporting seat 3 and supporting seat 4); Be connected firmly, construction is simple.
In the present embodiment, the main body of two structures of described formation deformation joint (structure 5 and structure 6) is steel work, and the upper junction plate of described two supporting seats (supporting seat 3 and supporting seat 4) is or/and vertical loaded plate corresponding being welded on the ledge structure corresponding with it (ledge structure 5a and ledge structure 6a) respectively; In the present embodiment, upper junction plate is welded in the ledge structure upper surface, and vertical loaded plate is welded in the end face of ledge structure, and bonding strength is high, is difficult for losing efficacy.
In the present embodiment, two structures (structure 5 and structure 6) that form deformation joint are equipped with the layer of mating formation, ledge structure forms between layer and main structure body by mating formation, the layer of namely mating formation is paved on the main structure body upper surface, higher than main structure body, be positioned at the end formation ledge structure that main structure body forms deformation joint, do not need other processing step structure, construct simple and convenient.
Certainly, when the main body of two structures of described formation deformation joint is concrete structure, the upper junction plate of described two supporting seats or/and vertical loaded plate respectively correspondence be anchored on ledge structure, construction that can be pointed, thereby the application has conformability preferably; Simultaneously, based on above-mentioned record as can be known, form in two structures (structure 5 and structure 6) of deformation joint, main structure body can be respectively concrete structure and steel work, supporting seat 3 is connected with supporting seat can according to circumstances distinguish affixed connection, all can realize purpose of the present invention.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to preferred embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not breaking away from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (7)
1. composite paved deformation joint structure, it is characterized in that: comprise arch sheet and the flexibility layer of mating formation, two arch springings of arch sheet are the corresponding two structure ends that form deformation joint that are fixedly installed on respectively, the vault of arch sheet is lower than work plane on two structures that form deformation joint, and the described flexibility layer of mating formation is paved on and covers deformation joint and concordant with work plane on two structures that form deformation joint on arch sheet;
Two structure ends of described formation deformation joint are fixed with respectively supporting seat, and two arch springings of described arch sheet are fixedly supported to respectively the supporting seat corresponding with it; Two structure ends of described formation deformation joint all form downward ledge structure, and described supporting seat is fixed in this ledge structure; Two supporting seats include upper junction plate, lower connecting plate and the vertical loaded plate of being made by steel plate, upper junction plate is fixedly connected on vertical loaded plate upper end and stretches out, lower connecting plate is fixedly connected on vertical loaded plate lower end and extends internally, the corresponding ledge structure upper surface that fixedly rides over of the upper junction plate of two supporting seats, two arch springings of the corresponding fixed support arch sheet of the lower connecting plate of two supporting seats.
2. composite paved deformation joint structure according to claim 1, it is characterized in that: described arch sheet is made by hot rolled steel plate, and the flexibility layer of mating formation is the modified asphalt concrete layer of mating formation.
3. composite paved deformation joint structure according to claim 2, is characterized in that: described upper junction plate, lower connecting plate and the vertical one-body molded formation supporting seat of loaded plate.
4. composite paved deformation joint structure according to claim 3, it is characterized in that: two arch springing correspondences of described arch sheet are welded in the lower connecting plate upper surface of two supporting seats.
5. composite paved deformation joint structure according to claim 4, it is characterized in that: the main body of two structures of described formation deformation joint is steel work, and the upper junction plate of described two supporting seats is or/and vertical loaded plate corresponding being welded on the ledge structure corresponding with it respectively.
6. composite paved deformation joint structure according to claim 5, it is characterized in that: the main body of two structures of described formation deformation joint is concrete structure, the upper junction plate of described two supporting seats or/and vertical loaded plate respectively correspondence be anchored on ledge structure.
7. according to claim 5 or 6 described composite paved deformation joint structures is characterized in that: two structures that form deformation joint are equipped with the layer of mating formation, and ledge structure forms between layer and main structure body by mating formation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110241405 CN102383372B (en) | 2011-08-22 | 2011-08-22 | Composite paved deformation joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110241405 CN102383372B (en) | 2011-08-22 | 2011-08-22 | Composite paved deformation joint structure |
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| Publication Number | Publication Date |
|---|---|
| CN102383372A CN102383372A (en) | 2012-03-21 |
| CN102383372B true CN102383372B (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110241405 Expired - Fee Related CN102383372B (en) | 2011-08-22 | 2011-08-22 | Composite paved deformation joint structure |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103510465A (en) * | 2012-06-29 | 2014-01-15 | 上海申继交通科技有限公司 | Slightly-arched seam crossing type bridge continuous seam structure |
| CN103952972B (en) * | 2014-04-29 | 2015-05-27 | 合肥工业大学 | Bridge expansion joint structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3838931A (en) * | 1972-05-29 | 1974-10-01 | A Valla | Elastic road bridge joint |
| DE2534063A1 (en) * | 1974-07-30 | 1976-02-12 | Elastometal Ltd | EXPANSION JOINT SEAL |
| US4111584A (en) * | 1974-11-25 | 1978-09-05 | Elastometal Limited | Expansion joints seal assembly |
| JP3579786B2 (en) * | 1999-02-08 | 2004-10-20 | ニッタ株式会社 | Bridge expansion joints |
| CN201924254U (en) * | 2010-11-02 | 2011-08-10 | 湖南省交通科学研究院 | Novel expansion joint structure for continuously reinforced concrete composite road surface |
-
2011
- 2011-08-22 CN CN 201110241405 patent/CN102383372B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3838931A (en) * | 1972-05-29 | 1974-10-01 | A Valla | Elastic road bridge joint |
| DE2534063A1 (en) * | 1974-07-30 | 1976-02-12 | Elastometal Ltd | EXPANSION JOINT SEAL |
| US4111584A (en) * | 1974-11-25 | 1978-09-05 | Elastometal Limited | Expansion joints seal assembly |
| JP3579786B2 (en) * | 1999-02-08 | 2004-10-20 | ニッタ株式会社 | Bridge expansion joints |
| CN201924254U (en) * | 2010-11-02 | 2011-08-10 | 湖南省交通科学研究院 | Novel expansion joint structure for continuously reinforced concrete composite road surface |
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| CN102383372A (en) | 2012-03-21 |
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Effective date of registration: 20151030 Address after: 400074 Chongqing Nan'an District University Avenue, No. 66 Patentee after: chongqing jiaotong university Address before: 400074 Chongqing Nan'an District University Avenue, No. 66 Patentee before: Peng Kai Patentee before: Chen Dongjun |
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Granted publication date: 20131106 Termination date: 20190822 |