CN205711707U - Forward variation rigidity laminated rubber bearing - Google Patents
Forward variation rigidity laminated rubber bearing Download PDFInfo
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- CN205711707U CN205711707U CN201620225393.0U CN201620225393U CN205711707U CN 205711707 U CN205711707 U CN 205711707U CN 201620225393 U CN201620225393 U CN 201620225393U CN 205711707 U CN205711707 U CN 205711707U
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- steel plate
- cored
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- bearing
- rigidity
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Abstract
The utility model discloses a kind of forward variation rigidity laminated rubber bearing.Support body is made up of upper and lower two shroudings and the steel skeleton being placed between these two shroudings, is evenly arranged according to the quantity of result of calculation in the most metal-cored (5) that the vertically arranged some of steel plate layer and steel plate layer connect firmly, metal-cored distribution density in steel plate layer plane.When horizontal rigidity is bigger required for bearing, uses and improve metal-cored distribution density, adjust metallic core diameter and make its horizontal rigidity improve.This utility model has simple in construction, easy to operate feature.Under the conditions of overall dimensions, bearing capacity, vertical rigidity are immovable, the purpose of the combined horizontal rigidity of bridge pier is reached to change by changing bearing horizontal rigidity, make cross section bridge pier horizontal rigidity identical, the most not etc. consistent, bridge structure dynamic load effect and damping and isolation effect can be improved.
Description
Technical field
This utility model belongs to supporting bridge technical field, is specifically related to a kind of New-type plate rubber support.
Background technology
Background one: bridge increasingly tends to lightness, economy, the application of flexible pier is exactly one of classic approach.Aseismic Design Theory is thought: if each bridge pier same in beam structure undertakes horizontal earthquake active force the most equably, then can be substantially reduced the antidetonation to anchor block to rely on, reduce the construction cost of bridge, also can be promoted on the aesthetic property of bridge simultaneously.In order to make each bridge pier shared horizontal applied force, then need the horizontal rigidity of each pier is controlled.If to accomplish further uniformly to undertake, then require that the combined horizontal rigidity of each pier reaches unanimity.The combined horizontal rigidity of pier is " pier shaft horizontal rigidity+bearing horizontal rigidity ".
Background two: the laminated rubber bearing selected according to existing industry standard JT/T663-2006, bearing to vertical bearing capacity of the same race, when highly consistent, it is vertical, horizontal rigidity is consistent or basically identical, if needing to change one of them parameter (vertical bearing capacity, vertical rigidity or horizontal rigidity), another two parameters then can change, and the most linear.This kind of bearing is " Standard abutments ".
The laminated rubber bearing of prior art is made up of two connection seats of support body and the symmetrical support body top and bottom that are placed in.Connection seat is made up of for the anchor bolt being connected with beam body with being placed on junction steel plate junction steel plate, and support body is made up of upper and lower two shroudings and the steel skeleton being placed between these two shroudings, and steel skeleton is the structure having multiple steel plate with intermediate gelatine layer interlayer.
For the bridge consistent across footpath, pier shaft height is identical, " Standard abutments " can meet design and use demand.But for Bridges in Mountainous Areas, same bridge may have the pier shaft of differing heights, to this, pier shaft height consistent across footpath same bridge structure not etc., its vertical bearing capacity is identical with vertical rigidity requirement, in order to make integrin pier shaft horizontal rigidity design load identical, in the case of pier shaft horizontal rigidity is inconsistent, then needs to adjust the horizontal rigidity of bearing, make combined horizontal rigidity reach consistent.Owing to " Standard abutments " is difficult on the basis of economical, attractive in appearance meet the design requirement of each pier shared horizontal force.Being actually needed according to engineering, supplements a kind of adjustable bearing of horizontal rigidity, with " Standard abutments " fit applications in Practical Project.As the structure that it is concrete, relate to higher relative to " Standard abutments " horizontal rigidity " forward variation rigidity laminated rubber bearing " (the application scheme), with " negative sense variation rigidity laminated rubber bearing " (the proposing the same period with the application scheme) weakened relative to " Standard abutments " horizontal rigidity.
Utility model content
The purpose of this utility model is the deficiency overcoming working standard bearing, solve the structure unicity of prior art, a kind of variable (reinforcement) rigidity rubber support is provided, this bearing can make bridge common uniform stressed of each bridge pier when operation or earthquake, improve the dynamic load effect of bridge and subtract vibration isolating effect, ensure that bridge structure runs comfortable and safe property, and extend its service life.
For reaching above-mentioned purpose, this utility model be the technical scheme is that a kind of variation rigidity laminated rubber bearing, is made up of two connection seats of support body and the symmetrical support body top and bottom that are placed in；Described connection seat by junction steel plate 1 and be placed on junction steel plate the anchor bolt 8 for being connected with beam body, steel bushing 9 is constituted；Described support body is made up of upper and lower two shroudings and the steel skeleton being placed between these two shroudings, and described steel skeleton has multiple interlayer of steel plate, is equipped with intermediate gelatine layer 4 between each interlayer of steel plate, is provided with protection rubber 7 in the termination, left and right of interlayer of steel plate and interlayer of steel plate；Support body is coupled with two connection seats by sunk screw 2 by junction steel plate 1 and shrouding 3.Each layer steel plate of described steel skeleton is solid steel plate, the most metal-cored 5, the metal-cored distribution density and the metallic core diameter that connect firmly in the vertically arranged some of steel plate layer and steel plate layer are evenly arranged in steel plate layer plane according to the quantity of result of calculation, and the height of metal-cored 5 is less than the apical side height between two shroudings；Protection rubber 7, shrouding 3, intermediate gelatine layer 4 form support body with solid steel plate 6 through sulfuration.
So, described metal-cored 5 are evenly arranged in steel plate layer plane according to the quantity of result of calculation, and solid steel plate 6 reaches to increase the purpose of bearing horizontal rigidity with metal-cored 5 combinations.
When horizontal rigidity is bigger required for bearing, uses and improve metal-cored distribution density, adjust metallic core diameter and make its horizontal rigidity improve.This utility model has simple in construction, easy to operate feature.Under the conditions of overall dimensions, bearing capacity, vertical rigidity are immovable, the purpose of the combined horizontal rigidity of bridge pier is reached to change by changing bearing horizontal rigidity, make cross section bridge pier horizontal rigidity identical, the most not etc. consistent, reach improve Bridge Dynamic Load effect and subtract the purpose of function of shock insulation.This bearing is particularly well-suited to mountain area, Gao Xia area concrete continuous girder bridge girder construction.
This utility model also can be substantially reduced bridge construction construction cost, effectively reduces the overall cost of bridge.Simultaneously because each pier face profile size can be accomplished unanimously so that bridge also can get certain lifting on aesthetic property.
This utility model simple in construction, easy to operate, economical and practical, there are higher economic benefit and social benefit.
Accompanying drawing explanation
Accompanying drawing 1 is sectional view of the present utility model.
In figure: 1-junction steel plate, 2-sunk screw, 3-shrouding, 4-intermediate gelatine layer, 5-are metal-cored, 6-solid steel plate, 7-protect rubber, 8-anchor bolt, 9-steel bushing.
Detailed description of the invention
Below in conjunction with the accompanying drawings the technical solution of the utility model is described in detail.
As shown in Figure 1: a kind of variation rigidity laminated rubber bearing; it is made up of junction steel plate 1, sunk screw 2, shrouding 3, intermediate gelatine layer 4, metal-cored 5, solid steel plate 6, protection rubber 7, anchor bolt 8, steel bushing 9; its architectural feature is: described metal-cored 5 are planar evenly arranged according to the quantity of result of calculation, and the height of metal-cored 5 is consistently less than the end face distance of two shroudings 3.Protection rubber 7 is arranged on around bearing, and to protect shrouding 3, intermediate gelatine layer 4, solid steel plate 6 not to be polluted by air and ultraviolet etc., they form support body through sulfuration.The attached structure that junction steel plate 1, sunk screw 2, anchor bolt 8, sleeve 9 are connected with beam body, pinner as support body, is separately positioned on the upper/lower terminal of bearing.
This utility model increases bearing horizontal rigidity by solid steel plate 6 with metal-cored 5 combinations.Thus it is consistent to reach bridge each pier composite rigidity, it is ensured that the common uniform stressed of each pier of bridge, improve structural dynamic effect and damping and isolation effect.Protection domain the most of the present utility model is not limited in embodiment of above, creates this utility model and makes equivalent improvement also within the protection domain that this utility model is created.
Claims (2)
1. a forward variation rigidity laminated rubber bearing, is made up of two connection seats of support body and the symmetrical support body top and bottom that are placed in；Described connection seat by junction steel plate (1) and be placed on junction steel plate the anchor bolt (8) for being connected with beam body, steel bushing (9) is constituted；Support body is made up of upper and lower two shroudings and the steel skeleton being placed between these two shroudings; described steel skeleton has multiple interlayer of steel plate; it is equipped with intermediate gelatine layer (4) between each interlayer of steel plate, is provided with protection rubber (7) in the termination, left and right of interlayer of steel plate and interlayer of steel plate；Support body is coupled with two connection seats by sunk screw (2) by junction steel plate (1) and shrouding；It is characterized in that, each layer steel plate of described steel skeleton is solid steel plate (6), the most metal-cored (5), the metal-cored distribution density that connect firmly with steel plate layer the vertically arranged some of steel plate layer are evenly arranged in steel plate layer plane according to the quantity of result of calculation, and the height of metal-cored (5) is less than the apical side height between two shroudings；Protection rubber (7), shrouding (3), intermediate gelatine layer (4) form support body with solid steel plate (6) through sulfuration.
Forward variation rigidity laminated rubber bearing the most according to claim 1, it is characterised in that: described metal-cored for solid cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620225393.0U CN205711707U (en) | 2016-03-23 | 2016-03-23 | Forward variation rigidity laminated rubber bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620225393.0U CN205711707U (en) | 2016-03-23 | 2016-03-23 | Forward variation rigidity laminated rubber bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205711707U true CN205711707U (en) | 2016-11-23 |
Family
ID=57314071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620225393.0U Expired - Fee Related CN205711707U (en) | 2016-03-23 | 2016-03-23 | Forward variation rigidity laminated rubber bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205711707U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105696459A (en) * | 2016-03-23 | 2016-06-22 | 四川翔晖路桥工程有限公司 | Positive direction variable-rigidity laminated rubber bearing |
-
2016
- 2016-03-23 CN CN201620225393.0U patent/CN205711707U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105696459A (en) * | 2016-03-23 | 2016-06-22 | 四川翔晖路桥工程有限公司 | Positive direction variable-rigidity laminated rubber bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20170323 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |