CN2823315Y - Wedge bottom plate for bridge pad - Google Patents
Wedge bottom plate for bridge pad Download PDFInfo
- Publication number
- CN2823315Y CN2823315Y CN 200520041399 CN200520041399U CN2823315Y CN 2823315 Y CN2823315 Y CN 2823315Y CN 200520041399 CN200520041399 CN 200520041399 CN 200520041399 U CN200520041399 U CN 200520041399U CN 2823315 Y CN2823315 Y CN 2823315Y
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- Prior art keywords
- razor
- edge liner
- phi
- prism
- height
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Abstract
The utility model relates to a wedge pad plate for a bridge supporting seat, wherein the wedge pad plate is a quadrangular prism plate body, the wedge pad plate comprises am upper surface, a lower surface and four side surfaces, wherein the four side surfaces are all perpendicular to the lower surface, the intersecting points of the four side surface form the height of prisms, the height relationship of every prism is that the length of a wedge block is a, the longitudinal grade is i1, the width of the wedge block is b, the transverse grade is i2, when the height of the first prism is phi 1, the height of the second prism is phi 2 which is equal to phi 1 plus b*i2, the height of the third prism is phi 3 which is equal to phi 1 plus a*i1, and the height of the fourth prism is phi 4 which is equal to phi 3 plus b*i2 / phi 2 plus a*i1. The wedge pad plate can be suitable for installation occasions with various grade requirements to ensure the pedestal to be arranged in a flat way, the upper force transmission surface and the lower force transmission surface keep horizontal, and the installation is convenient. The utility model which is adopted can also cause the wedge pad plate to be fixed on a main beam in ex-factory of a prefabricated part of the main beam to simplify the processes of site construction.
Description
Technical field
The utility model relates to the bridge erection construction field, relates to the razor-edge liner that is used for bridge pad particularly.
Background technology
Be to adapt to the required gradient of bridge, the mode that extensively adopts of institute generally is spherical laminated rubber bearing of use or a domatic laminated rubber bearing under crossbeam at present in the art.Yet, since these spheries or domatic bearing to be the inclined-plane stressed or it is stressed to put, so bearing very easily damages, and had a strong impact on the safety of bridge.For this reason, " the highway bridge and culvert design general specification " that came into effect on October 1st, 2004 be 3.5.8 joint regulation (JTG60-200), " on laminated rubber bearing is arranged at greater than a certain regulation gradient time; should employing measure between at the bottom of abutment surface and the beam; make the upper and lower power transmission face maintenance of bearing level ", and in actual installation, generally when longitudinal gradient greater than 1%, horizontal wall inscription is greater than promptly need employing measure between at the bottom of abutment surface and the beam under 2% the situation, makes the upper and lower power transmission face maintenance of bearing level.
Summary of the invention
Given this, the purpose of this utility model is to provide a kind of razor-edge liner that is used for bridge pad, and to guarantee the bearing horizontal, its upper and lower power transmission face keeps level to this razor-edge liner, and easy for installation applicable to the installation occasion of various slope requirement.
For achieving the above object, the utility model provides a kind of razor-edge liner that is used for bridge pad, wherein, razor-edge liner is a quadrangular plate body, comprises upper surface, soffit and four sides, and wherein four sides are all vertical with soffit, intersection, four sides forms prism heights, the pass of each prism heights is: establishing the wedge shape block length is that a, top rake are i1, and wedge is wide for b, transverse slope are i2, when first prism heights is δ
1The time, second prism heights is δ
2=δ
1+ b*i2, triangular prism height are δ
3=δ
1+ a*i1, quadrangular height are δ
4=δ
3+ b*i2 or δ
2+ a*i1.
Preferably, described razor-edge liner is made by steel.
Preferably, described razor-edge liner is made by steel fibrous concrete.
Preferably, described razor-edge liner is made by the concrete with synthetic fibers.
A kind of mounting method that is used for the razor-edge liner of bridge pad of the utility model may further comprise the steps:
1) longitudinal gradient and the horizontal wall inscription by the design beam is provided with special-purpose pedestal inside, and described special-purpose pedestal comprises a platform, and described platform is provided with the razor-edge liner pattern;
2) described razor-edge liner is placed on the platform of described special-purpose pedestal, the diagonal of razor-edge liner can guarantee razor-edge liner unshift and maintenance bottom surface level in installation process like this corresponding to described pattern;
When 3) concrete that adopts steel fibrous concrete or be blended into fiber when razor-edge liner is made, deployed cementing agent is coated in the razor-edge liner end face equably;
When razor-edge liner adopted steel plate to process, earlier at beam-ends bottom surface pre-embedded steel slab, the steel plate face flushed with at the bottom of the beam;
4) crossbeam is hung in described special-purpose pedestal, aim at razor-edge liner and accurately locate, beam-ends and beam side prevent the coasting of beam body with timber wedge piece jam-pack;
5) the razor-edge liner place is carried out spot heating, bonding agent is solidified as early as possible, for example be heated to 80 degrees centigrade and lasting 3 hours;
Perhaps, when razor-edge liner adopts steel plate to make, razor-edge liner is welded on the default steel plate in beam bottom;
6) treat after the adhesive cures beam body to be hung out special-purpose pedestal;
Perhaps, after welding, the beam body is hung out special-purpose pedestal;
7) repeat above-mentioned steps.
Preferably, the adhesive coated thickness that is coated with in step 3) is in 1 millimeter.
Preferably, after step 6) and before the step 7), also comprise and check the fixing whether qualified step of razor-edge liner.
Description of drawings
Below in conjunction with accompanying drawing razor-edge liner of the present utility model and its mounting method are made detailed description, wherein:
Fig. 1 is first kind of embodiment of razor-edge liner that the utility model is used for bridge pad;
Fig. 2 is the schematic diagram when being installed on bearing embodiment illustrated in fig. 1;
Fig. 3 is an installment state partial bottom view shown in Figure 2;
Fig. 4 is a user mode cross section reference diagram embodiment illustrated in fig. 1;
Fig. 5 is second kind of embodiment of razor-edge liner that the utility model is used for bridge pad;
Fig. 6 is a user mode cross section reference diagram embodiment illustrated in fig. 5;
Fig. 7 is razor-edge liner that the utility model is used for a bridge pad employed pedestal when installing; And
Fig. 8 adopts the installation process schematic diagram of pedestal as shown in Figure 7.
The specific embodiment
As shown in Figure 1, the razor-edge liner that is used for bridge pad of the present utility model is a quadrangular plate body 1, comprises upper surface 11, soffit 12 and four sides 13,14,15,16,17, wherein four sides are all vertical with soffit, and intersection, four sides forms prism heights δ
1, δ
2, δ
3, δ
4, the pass of each prism heights is: establishing the wedge shape block length is that a, top rake are i1, wedge is wide for b, transverse slope are i2, when first prism heights is δ
1The time, second prism heights is δ
2=δ
1+ b*i2, triangular prism height are δ
3=δ
1+ a*i1, quadrangular height are δ
4=δ
3+ b*i2 or δ
2+ a*i1.This razor-edge liner 1 can process with steel plate, and the concrete that perhaps adopts steel fibrous concrete or be blended into fiber is made.Yet in order to ensure the intensity of razor-edge liner, the steel minimum thickness should be greater than 10 millimeters, and fibrous concrete backing plate minimum thickness should be greater than 20 millimeters.In the embodiment shown in fig. 1, razor-edge liner is designed for existing longitudinal gradient has again under the situation of horizontal wall inscription.
As shown in Figures 2 and 3, there is shown previous embodiment and be installed on state on the bearing 3.As seen from the figure, correcting wedge 1 of the present utility model is installed between a girder 2 two ends and corresponding bearing 3 of bridge, owing to can utilize the formed gradient of razor-edge liner, and therefore, when guaranteeing that girder has required longitudinal gradient and horizontal wall inscription, can make the upper and lower power transmission face maintenance of bearing level.Again as shown in Figure 4, this figure is the cross-sectional view after highway pavement or bridges and culverts bridge floor install.
Referring to shown in Figure 5, this embodiment is used for the bigger situation of horizontal wall inscription again, and two prism heights wherein are laterally identical respectively, is only vertically forming wedge shape.As shown in Figure 6, among the figure cross-sectional view of bridge floor after installing, as seen be that end face with girder 2 is designed to tilt under the bigger situation of this horizontal wall inscription so that step-like formation horizontal wall inscription is made in the connection of hinge seam, the pier 4 that is used to place bearing 3 simultaneously.
Referring to Fig. 7, shown in Figure 8, the utility model razor-edge liner employed special-purpose pedestal when being used to install comprises a platform 5, this platform is provided with razor-edge liner pattern 6 and moves in installation process to prevent razor-edge liner, this platform is arranged on the support 7, can be resisted against on this support 7 at installation process middle girder 8.
Below the mounting method of razor-edge liner of the present utility model is described:
1. longitudinal gradient and the horizontal wall inscription by the design beam is provided with special-purpose pedestal inside;
2. razor-edge liner 1 is placed on the platform 5 of special-purpose pedestal, the diagonal of razor-edge liner can guarantee razor-edge liner unshift and maintenance bottom surface level in installation process like this corresponding to pattern 6;
3. when the concrete that adopts steel fibrous concrete or be blended into fiber when razor-edge liner is made, deployed cementing agent is coated in the razor-edge liner end face equably, preferably adhesive coated thickness is in 1 millimeter;
When razor-edge liner adopted steel plate to process, earlier at beam-ends bottom surface pre-embedded steel slab, the steel plate face flushed with at the bottom of the beam;
4. beam is hung in special-purpose pedestal, aim at razor-edge liner and accurately locate, beam-ends and beam side prevent the coasting of beam body with timber wedge piece 9 jam-packs;
5. the razor-edge liner place is carried out spot heating, bonding agent is solidified as early as possible, for example be heated to 80 degrees centigrade and lasting 3 hours, treat after the adhesive cures beam body to be hung out the stickup pedestal;
Perhaps, when razor-edge liner adopts steel plate to make, razor-edge liner is welded on the default steel plate in beam bottom;
6. check whether razor-edge liner is fixing qualified, and repeat above-mentioned steps.
Below in conjunction with preferred embodiment correcting wedge of the present utility model and mounting method thereof have been made detailed description, therefrom as seen, the correcting wedge that adopts the utility model structure applicable to the installation occasion of various slope requirement to guarantee the bearing horizontal, its upper and lower power transmission face keeps level, and easy for installation, thereby can meet the regulation of " highway bridge and culvert design general specification " 3.5.8 joint that came into effect on October 1st, 2004.In addition, utilize the above-mentioned razor-edge liner that is used for bridge pad also can before the girder prefabricated component dispatches from the factory, razor-edge liner be fixed in girder, to simplify on-site construction processes.
Claims (4)
1. razor-edge liner that is used for bridge pad, it is characterized in that, described razor-edge liner is a quadrangular plate body, comprise upper surface, soffit and four sides, wherein four sides are all vertical with soffit, and intersection, four sides forms prism heights, and the pass of each prism heights is: establishing the wedge shape block length is that a, top rake are i1, wedge is wide for b, transverse slope are i2, when first prism heights is δ
1The time, second prism heights is δ
2=δ
1+ b*i2, triangular prism height are δ
3=δ
1+ a*i1, quadrangular height are δ
4=δ
3+ b*i2 or δ
2+ a*i1.
2. the razor-edge liner that is used for bridge pad as claimed in claim 1 is characterized in that described razor-edge liner is made by steel.
3. the razor-edge liner that is used for bridge pad as claimed in claim 1 is characterized in that described razor-edge liner is made by steel fibrous concrete.
4. the razor-edge liner that is used for bridge pad as claimed in claim 1 is characterized in that described razor-edge liner is made by the concrete with synthetic fibers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520041399 CN2823315Y (en) | 2005-05-10 | 2005-05-10 | Wedge bottom plate for bridge pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520041399 CN2823315Y (en) | 2005-05-10 | 2005-05-10 | Wedge bottom plate for bridge pad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2823315Y true CN2823315Y (en) | 2006-10-04 |
Family
ID=37032427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520041399 Expired - Lifetime CN2823315Y (en) | 2005-05-10 | 2005-05-10 | Wedge bottom plate for bridge pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2823315Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094387A (en) * | 2010-12-30 | 2011-06-15 | 上海市城市建设设计研究院 | Cushion block for bridge bearing |
| CN102285004A (en) * | 2011-08-22 | 2011-12-21 | 四川省交通运输厅公路规划勘察设计研究院 | Precast beam support leveling structure and precast beam forming die |
| CN103158198A (en) * | 2011-12-13 | 2013-06-19 | 中国二十冶集团有限公司 | Manufacturing method of big hollow beam plate slope prefabricated by prestressed concrete |
| CN106894325A (en) * | 2017-05-03 | 2017-06-27 | 洛阳理工学院 | A kind of deck transverse slope adjusts structure and laying method |
| CN109183623A (en) * | 2018-09-20 | 2019-01-11 | 中建市政工程有限公司 | Precast beam bottom longitudinal slope construction method and device thereof |
| CN110700607A (en) * | 2019-10-11 | 2020-01-17 | 中建八局第一建设有限公司 | Pre-buried steel sheet installation device of isolation bearing |
-
2005
- 2005-05-10 CN CN 200520041399 patent/CN2823315Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094387A (en) * | 2010-12-30 | 2011-06-15 | 上海市城市建设设计研究院 | Cushion block for bridge bearing |
| CN102285004A (en) * | 2011-08-22 | 2011-12-21 | 四川省交通运输厅公路规划勘察设计研究院 | Precast beam support leveling structure and precast beam forming die |
| CN103158198A (en) * | 2011-12-13 | 2013-06-19 | 中国二十冶集团有限公司 | Manufacturing method of big hollow beam plate slope prefabricated by prestressed concrete |
| CN106894325A (en) * | 2017-05-03 | 2017-06-27 | 洛阳理工学院 | A kind of deck transverse slope adjusts structure and laying method |
| CN109183623A (en) * | 2018-09-20 | 2019-01-11 | 中建市政工程有限公司 | Precast beam bottom longitudinal slope construction method and device thereof |
| CN110700607A (en) * | 2019-10-11 | 2020-01-17 | 中建八局第一建设有限公司 | Pre-buried steel sheet installation device of isolation bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150510 Granted publication date: 20061004 |