CN204875506U - Multidirectional composite construction telescoping device that shifts of public road bridge roof beam self -adaptation - Google Patents
Multidirectional composite construction telescoping device that shifts of public road bridge roof beam self -adaptation Download PDFInfo
- Publication number
- CN204875506U CN204875506U CN201520593036.5U CN201520593036U CN204875506U CN 204875506 U CN204875506 U CN 204875506U CN 201520593036 U CN201520593036 U CN 201520593036U CN 204875506 U CN204875506 U CN 204875506U
- Authority
- CN
- China
- Prior art keywords
- composite construction
- bed course
- stretching device
- layer
- top layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Bridges Or Land Bridges (AREA)
- Road Paving Structures (AREA)
Abstract
The utility model discloses a multidirectional composite construction telescoping device that shifts of public road bridge roof beam self -adaptation, characterized by: composite construction is two -layer composite construction or is three -layer composite construction, two -layer composite construction uses high -molecular polymer as the top layer to the steel sheet is the bed course, and the bottom that the bed course is located the top layer is as the bottom, the three -layer composite structure uses high -molecular polymer as the top layer to the steel sheet is the bed course, and the bed course is the intermediate level, has in the bottom of bed course and uses the bottom surface layer of high -molecular polymer as the material. The utility model discloses the expansion joint expansion joint that multidirectional deformation displacement leads to be can solve well and problem and durability problem are damaged.
Description
Technical field
The utility model relates to a kind of traffic highway bridge self adaptation multi-directional deflection composite construction stretching device, it is exactly a kind of shrinkage joint polymer complex structure system of highway bridge, factory modularization can be adopted prefabricated, and building-site is arranged in the expansion joint position on road surface.
Background technology
Expansion Units for Highway Bridges, be arrange between highway bridge works link can Free Transform across seam device, its function makes that bridge construction thing shrinks at temperature Change and concrete or steel, creeping displacement, and under the effect of the factor such as dynamic load, the flexible of free multi-dimensional direction can be kept, to adapt to the various distortion of highway bridge structure, it is requisite structural devices during a guarantee highway bridge normally runs.
Except possessing, Expansion Units for Highway Bridges makes that running car is comfortable, smooth-going, the anti-foreign material of noiselessness, waterproof infiltrate except function, also must be durable in use, and installation is simple and easy to do, easy to maintenance.Its material property and apparatus structure design directly can have influence on operating service quality and the service life of highway bridge, particularly for sky way, long Long span and the long bridge of continous way, Highway Bridge Expansion Joint is even more important, once there is disease will change the normal stress of bridge, the application life of the structural safety of highway bridge, traffic safety and bridge even can be threatened.
Along with increasing sharply of the traffic volume and heavy goods vehicles, particularly overloading is serious in recent years, make the destruction situation of Expansion Units for Highway Bridges more and more serious, the stretching device use of highway bridge is medium-term and long-term to be exposed in the air of field, environment for use is relatively more severe, is to be subject to the position of destroying and being comparatively difficult to repair in bridge construction most.Existing stretching device adopts simple steel manufacture completely, although adopt different frame for movement to connect design, does not solve stretching device Problems existing completely.Stretching device rigidity and flexibility are difficult to reach balance and take into account, and increase the flexibility of stretching device, then can not ensure the traffic safety at shrinkage joint and the end of highway safety bridge member; Increase the rigidity of stretching device, then usually cannot adapt to the multi-directional deflection at position, shrinkage joint, cause stretching device that the fracture damage of the parts such as anchoring piece is installed.The too early destruction of Expansion Units for Highway Bridges is a problem of often encountering in current bridge engineering, is also one of current bridge construction and the difficult problem in safeguarding.Some highway bridge is open to traffic about one-year age, has just occurred damage phenomenon, and the passing of adjoint time, damaged condition is aggravated gradually.Meanwhile, the replacing of stretching device also brings diversified difficulty to owner, and as long in changed the engineering time, directly have influence on daily traffic circulation, field work is subject to natural weather and has influence on construction quality etc.
Traditional stretching device method for repairing and mending is dug out stretching device entirety, and after installing new stretching device, concreting maintenance, curing period was at about 20 days.Therefore, Expansion Units for Highway Bridges becomes a key technology of restriction big-span steel bridge construction and development.
Utility model content
The utility model is the weak point for avoiding existing for above-mentioned existing stretching device technology, a kind of highway bridge self adaptation multi-directional deflection composite construction stretching device is provided, dissimilar material properties and structure composition is utilized to make stretching device not only ensure structural rigidity, and there is good flexibility, to can solve well shrinkage joint multidirectional deformation displacement cause shrinkage joint to damage the problem of problem and durability.Particularly there is applied widely, easy for installation and that cost is low feature, be beneficial to solve built or that building or be about to the Highway Bridge Expansion Joint problem of the steel bridge built.Adopt normal temperature quick-paveing dress to simplify construction method, improve efficiency of construction; Under the technical condition fully meeting Expansion Units for Highway Bridges, realize modularization and mat formation, improve quality of mating formation, improve the durability of bridge and increase the service life.
The utility model is that technical solution problem adopts following technical scheme:
The design feature of the utility model highway bridge self adaptation multi-directional deflection composite construction stretching device is: described composite construction is two layer composite structure or is three-layer composite structure.
Described two layer composite structure is top layer with high molecular polymer, and take steel plate as bed course, described bed course is positioned at the bottom on top layer as bottom.
Described three-layer composite structure is top layer with high molecular polymer, and take steel plate as bed course, described bed course is intermediate layer, and having in the bottom of described bed course with high molecular polymer is the bottom surface layer of material.
The design feature of the utility model highway bridge self adaptation multi-directional deflection composite construction stretching device is also: described composite construction stretching device be with left side and right-hand part with the mutual intercalation in comb teeth shape limit, the another side relative with described comb teeth shape limit is provided with fixed-use bolt hole.
The design feature of the utility model highway bridge self adaptation multi-directional deflection composite construction stretching device is also: the bed course in described composite construction stretching device covers top layer or local complexity top layer in the bottom on described top layer for comprehensive, and described local complexity top layer refers to that covering does not comprise bolt hole position and/or covers and do not comprise comb position.
The design feature of the utility model highway bridge self adaptation multi-directional deflection composite construction stretching device is also: described top layer, bed course and bottom surface layer be separate prefabricated become component, the component of described each separate prefabricated one-tenth carries out assembling forming composite structure stretching device by the structure of setting.
The design feature of the utility model highway bridge self adaptation multi-directional deflection composite construction stretching device is also: the described steel plate as bed course is dull and stereotyped steel plate or is grid steel plate.
The design feature of the utility model highway bridge self adaptation multi-directional deflection composite construction stretching device is also: described top layer is for material with ultra-high molecular weight polyethylene UHMWPE, high density polyethylene, polyethylene glycol PEG or synthetic rubber; Or with the composition of one or more any combination in ultra-high molecular weight polyethylene UHMWPE, high density polyethylene, polyethylene glycol PEG and synthetic rubber for material.
The design feature of the utility model highway bridge self adaptation multi-directional deflection composite construction stretching device is also: described bottom surface layer is identical with the material on top layer, or with polyureas or with polyurethane or with epoxy resin for material.
The design feature of the utility model highway bridge self adaptation multi-directional deflection composite construction stretching device is also: the thickness of described bed course is 10 ~ 90mm; The thickness on described surface is 10 ~ 50mm, and the thickness of described bottom surface layer is 2 ~ 10mm.
Compared with the prior art, the utility model beneficial effect is embodied in:
1, the utility model simple structure, steel using amount is few, has good multi-faceted compatibility of deformation, anti-fatigue performance, high-temperature stability and low-temperature cracking-resistance, waterproof, seepage control.It implements in highway bridge, drive a vehicle comfortable, easy construction is easy, Fast Installation, do not jump car, environmental protection low noise.Can adapt to the expanded joint structures such as wide bridge, curved bridge, skew bridge in multi-faceted distortion, when bridge crossed by various vehicle, can be uniformly distributed horizontal force, absorption portion is vibrated, thus extends bridge life.
2, the utility model carries out fast spreading construction at normal temperatures, realizes modularization and mats formation, and it is convenient to install and change, and enormously simplify construction method and technical requirements, improves efficiency of construction.The service condition that is open to traffic can be reached at short notice, therefore, it is possible to quick open to traffic, minimum degree be reduced on the impact that daily means of transportation run.Be applicable to the stretching device of LARGE SPAN STEEL BRIDGE, be also applicable to the quick installation and maintenance engineering of urban elevated bridge, high-grade highway, speedway stretching device.
Accompanying drawing explanation
Fig. 1 is that the utility model adopts two layer composite structure sectional schematic diagram;
Fig. 2 is that the utility model adopts three-layer composite structure sectional schematic diagram;
Fig. 3 is the utility model plan structure schematic diagram;
Fig. 4 a and Fig. 4 b are that the utility model adopts the different embodiment sectional schematic diagram of two layer composite structure;
Fig. 5 is that the utility model adopts three-layer composite structure specifically to implement sectional schematic diagram;
Fig. 6 is the utility model mounting structure schematic diagram;
Number in the figure: 1 top layer, 2 bed courses, 3 bottom surface layers, 4a left side, 4b right-hand part, 6 shrinkage joint, 7 anchor bolts, 8 layer of concrete.
Detailed description of the invention
In the present embodiment, the form of structure of highway bridge composite construction stretching device is:
Composite construction shown in Fig. 1 is two layer composite structure, and two layer composite structure is top layer 1 with high molecular polymer, and take steel plate as bed course 2, described bed course 2 is positioned at the bottom on top layer as bottom;
Composite construction shown in Fig. 2 is three-layer composite structure, and three-layer composite structure is top layer 1 with high molecular polymer, and take steel plate as bed course 2, described bed course 2 is intermediate layer, and having in the bottom of described bed course 2 with high molecular polymer is the bottom surface layer 3 of material; The thickness of bed course 2 is 10 ~ 90mm; The thickness on described surface is 10 ~ 50mm, and the thickness of described bottom surface layer is 2 ~ 10mm.
Shown in Fig. 3, in the present embodiment composite construction stretching device be with left side 4a and right-hand part 4b with the mutual intercalation in comb teeth shape limit, the another side relative with comb teeth shape limit is provided with fixed-use bolt hole.It is large that intermeshing supporting type constructs its rigidity of structure, has flexibility simultaneously, can bear larger multi-dimensional direction displacement.
In concrete enforcement, the bed course 2 in composite construction stretching device can be comprehensive covering top layer 1 as shown in Figure 4 b in the bottom on described top layer 1; Also can for the local complexity top layer 1 such as shown in Fig. 4 a and Fig. 5, local complexity top layer 1 refers to that covering does not comprise bolt hole position and/or covers and does not comprise comb position.
Figure 5 shows that three-layer composite structure, it is with the mutual intercalation in comb teeth shape limit equally with left side 4a and right-hand part 4b.
In concrete enforcement, top layer 1, bed course 2 and bottom surface layer 3 be separate prefabricated become component, the component of each separate prefabricated one-tenth carries out assembling forming composite structure stretching device by the structure of setting, adopts elastomeric polymer bonding adhesive and/or hot-melt polyethylene crab-bolt and/or metal anchor bolt securing member to carry out compound between each component.Steel plate as bed course 2 is dull and stereotyped steel plate or is grid steel plate.
Top layer 1 is for material with ultra-high molecular weight polyethylene UHMWPE, high density polyethylene, polyethylene glycol PEG or synthetic rubber; Or with the composition of one or more any combination in ultra-high molecular weight polyethylene UHMWPE, high density polyethylene, polyethylene glycol PEG and synthetic rubber for material;
Bottom surface layer 3 is identical with the material on top layer 1, or with polyureas or with polyurethane or with epoxy resin for material.
That two ends are anchored in built-in fitting with anchor bolt 7, and built-in fitting is embedded in layer of concrete 8 with the shrinkage joint 6 of right-hand part 4b crossing highway bridge in composite construction stretching device shown in Fig. 6.
Processing about composite construction:
Embodiment 1:
Get raw material by weight:
Ultra-high molecular weight polyethylene UHMWPE is 95 parts,
Carbon black 2.5 parts, 1 part, carbon fiber and mica powder 1.5 parts;
All raw materials are fully uniformly mixed the hot-forming bottom surface layer respectively as top layer, superpose assembled formation with elastomeric polymer bonding adhesive and metal anchor bolt securing member with steel plate bed course by stratiform.
Embodiment 2:
Get raw material by weight:
Ultra-high molecular weight polyethylene UHMWPE is 90 parts,
High density polyethylene is 3 parts,
Polyethylene glycol PEG is 2 parts,
Carbon black 2 parts, glass fiber 3 parts;
All raw materials are fully uniformly mixed hot-forming as top layer; Bottom surface layer adopts the polyurea products of casting type;
First use elastomeric polymer bonding adhesive and metal anchor bolt securing member, top layer and steel plate bed course are superposed by stratiform and forms complex, then composite molding that bottom surface layer material raw material and complex are cast.
Embodiment 3:
Get raw material by weight:
Ultra-high molecular weight polyethylene UHMWPE is 90 parts,
High density polyethylene is 4 parts,
Polypropylene PP is 2 parts, carbon black 1 part, glass fiber 2 parts and quartz powder 1 part;
All raw materials are fully uniformly mixed hot-forming as top layer, and bottom surface layer adopts casting type polyurethane product;
First use elastomeric polymer bonding adhesive and metal anchor bolt securing member, top layer and steel plate bed course are superposed by stratiform and forms complex, then bottom surface layer material feedstock and complex are carried out casting composite molding.
The utility model, by the material behavior of high molecular polymer, is adapted to multi-faceted distortion and high durable and high-wearing feature.Except vertical rigidity and the compressive strain with ordinary telescopic seam, and vertical load can be born and adapt to outside beam-ends rotation, also can utilize the flexibility of high molecular polymer itself, and and beam bottom stainless steel plate between low-friction coefficient, the multidirectional displacement of highway bridge component can be made to be easier to, particularly the composite construction of stretching device component also effectively can absorb the impact load that driving produces, greatly reduce the driving noise of vehicle by stretching device, be particularly useful for modularization highway bridge component, Longspan Bridge, installing and using of the highway bridge such as continuous slab bridge with simple support girder and multi-span continuous bridge.
Claims (7)
1. a highway bridge self adaptation multi-directional deflection composite construction stretching device, is characterized in that: described composite construction is two layer composite structure or is three-layer composite structure;
Described two layer composite structure take high molecular polymer as top layer (1), take steel plate as bed course (2), and described bed course (2) is positioned at the bottom on top layer as bottom;
Described three-layer composite structure take high molecular polymer as top layer (1), take steel plate as bed course (2), described bed course (2) is intermediate layer, and having in the bottom of described bed course (2) with high molecular polymer is the bottom surface layer (3) of material.
2. highway bridge self adaptation multi-directional deflection composite construction stretching device according to claim 1, it is characterized in that: described composite construction stretching device be with left side (4a) and right-hand part (4b) with the mutual intercalation in comb teeth shape limit, the another side relative with described comb teeth shape limit is provided with fixed-use bolt hole.
3. highway bridge self adaptation multi-directional deflection composite construction stretching device according to claim 2, it is characterized in that: the bed course (2) in described composite construction stretching device is in the bottom of described top layer (1) for cover top layer (1) or local complexity top layer (1) comprehensively, and described local complexity top layer (1) refers to that covering does not comprise bolt hole position and/or covers and do not comprise comb position.
4. highway bridge self adaptation multi-directional deflection composite construction stretching device according to claim 1, it is characterized in that: described top layer (1), bed course (2) and bottom surface layer (3) for separate prefabricated become component, the component of described each separate prefabricated one-tenth carries out assembling forming composite structure stretching device by the structure of setting.
5. highway bridge self adaptation multi-directional deflection composite construction stretching device according to claim 1, is characterized in that: the described steel plate as bed course (2) is dull and stereotyped steel plate or is grid steel plate.
6. highway bridge self adaptation multi-directional deflection composite construction stretching device according to claim 5, it is characterized in that: described bottom surface layer (3) is identical with the material of top layer (1), or with polyureas or with polyurethane or with epoxy resin for material.
7. highway bridge self adaptation multi-directional deflection composite construction stretching device according to claim 1, is characterized in that: the thickness of described bed course (2) is 10 ~ 90mm; The thickness on described surface is 10 ~ 50mm, and the thickness of described bottom surface layer is 2 ~ 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520593036.5U CN204875506U (en) | 2015-08-07 | 2015-08-07 | Multidirectional composite construction telescoping device that shifts of public road bridge roof beam self -adaptation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520593036.5U CN204875506U (en) | 2015-08-07 | 2015-08-07 | Multidirectional composite construction telescoping device that shifts of public road bridge roof beam self -adaptation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204875506U true CN204875506U (en) | 2015-12-16 |
Family
ID=54819898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520593036.5U Active CN204875506U (en) | 2015-08-07 | 2015-08-07 | Multidirectional composite construction telescoping device that shifts of public road bridge roof beam self -adaptation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204875506U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105178177A (en) * | 2015-08-07 | 2015-12-23 | 吴昊 | Highway bridge self-adaptation multidirection deformation displacement composite structure retractor device |
| CN113667292A (en) * | 2021-08-24 | 2021-11-19 | 桂迎生 | Polymer elastic composite material and highway bridge telescoping device |
| WO2023024687A1 (en) * | 2021-08-24 | 2023-03-02 | 杨锐 | Low-noise bridge polymer expansion device |
-
2015
- 2015-08-07 CN CN201520593036.5U patent/CN204875506U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105178177A (en) * | 2015-08-07 | 2015-12-23 | 吴昊 | Highway bridge self-adaptation multidirection deformation displacement composite structure retractor device |
| CN113667292A (en) * | 2021-08-24 | 2021-11-19 | 桂迎生 | Polymer elastic composite material and highway bridge telescoping device |
| WO2023024687A1 (en) * | 2021-08-24 | 2023-03-02 | 杨锐 | Low-noise bridge polymer expansion device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105178177A (en) | Highway bridge self-adaptation multidirection deformation displacement composite structure retractor device | |
| CN107815963B (en) | Bridge expansion joint | |
| AT508847B1 (en) | DEVICE FOR BRIDGING AN EXTENSION | |
| CN110029576B (en) | Steel-free seamless bridge expansion joint device and construction process thereof | |
| Alampalli et al. | Fiber reinforced polymer composites for the superstructure of a short-span rural bridge | |
| CN103243646B (en) | Earthquake proof PTFE (Poly Tetra Fluoro Ethylene) plate rubber bearing small displacement comb plate extensible device | |
| CN204875506U (en) | Multidirectional composite construction telescoping device that shifts of public road bridge roof beam self -adaptation | |
| CN204509989U (en) | A kind of expansion gap device of negative poisson ' s ratio honeycomb structure | |
| CN107083742B (en) | Rubber and steel plate combined modular bridge deck damping expansion joint structure and use method thereof | |
| CN113404160A (en) | Self-resetting assembly type concrete beam column energy consumption connecting node and construction method | |
| CN110685217A (en) | Seamless telescoping device of bridge | |
| CN203807941U (en) | Modular extensible device capable of being replaced quickly | |
| CN208455820U (en) | A kind of friction energy-dissipating Self-resetting fully assembled joint | |
| CN103669202B (en) | Highway-bridge Expansion Joints structure | |
| CN204589803U (en) | A kind of noise reduction type stretching device | |
| CN113668368B (en) | Plastic hinge area enlarged section assembled type swing pier and construction method thereof | |
| CN105239503A (en) | Six-direction deflection comb plate retractor device | |
| CN203613455U (en) | Comb tooth type bridge expansion device with novel waterproof structure | |
| CN113463509A (en) | Low-noise bridge polymer expansion device | |
| CN104195955A (en) | Assembling type bridge deck pavement method of large-span steel bridge | |
| CN204418017U (en) | Highway bridge deck paving ultrathin overlay repair structure | |
| CN108301319B (en) | The butt type expansion installation of steel cylinder bearing | |
| CN116240796A (en) | Low Poisson ratio elastomer, seamless telescopic device and construction process | |
| CN215800987U (en) | Low-noise bridge polymer expansion device | |
| CN215802242U (en) | Self-resetting assembly type concrete beam column energy consumption connecting node |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |