CN104018434B - The replacing options of architectural vibration-insulation rubber supporting seat - Google Patents
The replacing options of architectural vibration-insulation rubber supporting seat Download PDFInfo
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- CN104018434B CN104018434B CN201410278023.9A CN201410278023A CN104018434B CN 104018434 B CN104018434 B CN 104018434B CN 201410278023 A CN201410278023 A CN 201410278023A CN 104018434 B CN104018434 B CN 104018434B
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Abstract
The invention belongs to the replacing options technical field of neoprene bearing, disclose the replacing options of architectural vibration-insulation rubber supporting seat, its technical characteristics is: support force when arranging temporary support is consistent with the design load of architectural vibration-insulation rubber supporting seat, then bearing is removed, remove the concrete at pier stud top simultaneously, then use dynamometry jack by new shock insulation rubber bearing jack-up, and reach design load, connect Dun Ding and embedded board again and concreting, finally remove temporary support.The mode that the method adopts " reduction " capital and " jacking " bearing to combine, for bearing replacement provides space, ensure that support of buildings Bearing Seat Force uniformity simultaneously, avoid because single bearing does not stress, structural stress is caused to change, and the top power of the jack needed is little, change quick, safety, operating expenses is low.
Description
Technical field
The invention belongs to shock insulation rubber bearing replacing options technical field, relate to the replacing options of architectural vibration-insulation rubber supporting seat concretely.
Background technology
Architectural vibration-insulation rubber supporting seat builds one of important composition parts subtracted in shock insulation engineering, and its effect is the seismic forces of isolation basis and superstructure when earthquake occurs, and architecture protection structure is not damaged when earthquake occurs.
After Wenchuan earthquake, building vibration absorption and isolation support, superior subtracts isolation property with it, is widely used and subtracts in shock-insulation building.Bearing because some can not resist factor or human factor, causes bearing to damage after installing.Large owing to subtracting shock-insulation building weight, arrange under same building that bearing quantity is many, the method replacing time of jacking building cannot be adopted, if the bearing after damage can not get timely replacing, top-out structural safety will be jeopardized.
When Bridge Support Replacement, with jack etc. by bridge jack-up, and then by new bearing replacement, then remove jack, because bridge is lightweight, beam body can not be caused during jack up girder to damage, and do not need too many jack, and architectural vibration-insulation rubber supporting seat is different, building weight is large, in jacking process, local stress is excessive, easily to building damage, and does not have so large jack.
Summary of the invention
The technical problem that the present invention solves just is to provide a kind of simple to operate, safe ready, avoid not stressing the replacing options of the architectural vibration-insulation rubber supporting seat causing fabric structure STRESS VARIATION because of single bearing.
For solving the problems of the technologies described above, the technical scheme that the present invention proposes is:
The method comprises the following steps:
The first step, finds the architectural vibration-insulation rubber supporting seat design load that need change
The design load of the architectural vibration-insulation rubber supporting seat that this need be changed is found out from architectural design;
Second step, arranges temporary support
Temporary support by jack and load sensor is set around this architectural vibration-insulation rubber supporting seat;
3rd step, to jack load application, until load sensor display numerical value is equal with the design load of architectural vibration-insulation bearing;
4th step, removes architectural vibration-insulation rubber supporting seat
Remove this architectural vibration-insulation rubber supporting seat, observe the numerical value of load sensor display simultaneously, make to observe the numerical value of load sensor display and the difference of architectural vibration-insulation rubber supporting seat design load be not more than 1%;
5th step, removes pier stud top concrete
Remove pier stud top concrete, and the pier stud top cleaning platform after dismounting;
6th step, installs dynamometry jack
Platform is installed dynamometry jack, lower embedded board and new shock insulation rubber bearing are set above this dynamometry jack, embedded board and new shock insulation rubber bearing under jacking, and observe dynamometry jack stress value, until the stress value of dynamometry jack and the design load of shock insulation rubber bearing consistent;
7th step, connects Dun Ding and embedded board
Combing pier top reinforcing bar, and pier top reinforcing bar and embedded board are linked together;
8th step, concreting
To concreting below shock insulation rubber bearing above pier top, concrete intensity is more than or equal to C40;
9th step, removes temporary support
After concrete intensity reaches design strength, remove temporary support.
Its additional technical feature is:
Have in described dynamometry jack arranged outside the load display be electrically connected with this dynamometry jack, remove in temporary support step in described 9th step, observation dynamometry jack load amplitude of variation, amplitude of variation is less than or equal to 2% and can meets the demands;
Remove in pier stud top concrete step in described 5th step, remove pier stud top concrete height and be more than or equal to 300mm, described platform diameter is 200---300mm, and the flatness of described platform is less than or equal to 2mm;
Install in dynamometry jack step in described 6th step, below dynamometry jack and between pier top, be provided with backing plate.
The replacing options of architectural vibration-insulation rubber supporting seat provided by the invention, compared with the existing technology comparatively have the following advantages: one, because support force when arranging temporary support is consistent with the design load of architectural vibration-insulation rubber supporting seat, then bearing is removed, remove the concrete at pier stud top simultaneously, then use dynamometry jack by new shock insulation rubber bearing jack-up, and reach design load, connect Dun Ding and embedded board again and concreting, finally remove temporary support, the mode that the method adopts " reduction " capital and " jacking " bearing to combine, for bearing replacement provides space, ensure that support of buildings Bearing Seat Force uniformity simultaneously, avoid because single bearing does not stress, structural stress is caused to change, and the top power of the jack needed is little, change quick, safety, operating expenses is low, they are two years old, owing to having in described dynamometry jack arranged outside the load display be electrically connected with this dynamometry jack, remove in temporary support step in described 9th step, observation dynamometry jack load amplitude of variation, amplitude of variation is less than or equal to 2% and can meets the demands, and can observe dynamometry jack load amplitude of variation at any time, construct convenient after concreting, and dynamometry jack load amplitude of variation is less than or equal to 2%, make bearing load almost equal with design, they are three years old, remove in pier stud top concrete step in described 5th step, remove pier stud top concrete height and be more than or equal to 300mm, described platform diameter is 200---300mm, the flatness of described platform is less than or equal to 2mm, both ensure that the intensity of pier stud in turn ensure that the space of replacing time, its four, owing to installing in dynamometry jack step in described 6th step, below dynamometry jack and between pier top, be provided with backing plate, improve pier top intensity.
Accompanying drawing explanation
Fig. 1 is the structural representation of body and architectural vibration-insulation rubber supporting seat joint upstairs in Renewal process.
Detailed description of the invention
Be described further below in conjunction with the structure of the drawings and specific embodiments to the replacing options of architectural vibration-insulation rubber supporting seat proposed by the invention.
As shown in Figure 1, for the structural representation of body and architectural vibration-insulation rubber supporting seat joint upstairs in Renewal process, comprise body 1 upstairs, upstairs, the below of body 1 is provided with embedded board 2, be architectural vibration-insulation rubber supporting seat below upper embedded board 2, be lower embedded board 4 at architectural vibration-insulation rubber supporting seat, be dynamometry jack 5 below lower embedded board 4, arranges the temporary support 8 by jack 6 and load sensor 7 on architectural vibration-insulation rubber supporting seat side.
Between the below of dynamometry jack 5 and pier top, be provided with backing plate 10, improve pier top intensity.
The replacing options of architectural vibration-insulation rubber supporting seat of the present invention,
The method comprises the following steps:
The first step, finds the architectural vibration-insulation rubber supporting seat design load that need change
The design load of the architectural vibration-insulation rubber supporting seat that this need be changed is found out from architectural design;
Second step, arranges temporary support 8
Temporary support by jack 6 and load sensor 7 is set around this architectural vibration-insulation rubber supporting seat;
3rd step, to jack 6 load application, until load sensor 7 to show numerical value equal with the design load of architectural vibration-insulation bearing;
4th step, removes architectural vibration-insulation rubber supporting seat
Remove this architectural vibration-insulation rubber supporting seat, observe the numerical value that load sensor 7 shows simultaneously, make to observe the numerical value of load sensor display and the difference of architectural vibration-insulation rubber supporting seat design load be not more than 1%;
5th step, removes pier stud top concrete
Remove pier stud top concrete, and the pier stud top cleaning platform after dismounting;
6th step, installs dynamometry jack 5
Platform is installed dynamometry jack 5, above this dynamometry jack 5, lower embedded board 4 and new shock insulation rubber bearing are set, embedded board 4 and new shock insulation rubber bearing 3 under jacking, and observe dynamometry jack stress value, until the stress value of dynamometry jack and the design load of shock insulation rubber bearing consistent;
7th step, connects Dun Ding and embedded board
Combing pier top reinforcing bar, and pier top reinforcing bar and lower embedded board 4 are linked together;
8th step, concreting
To concreting below shock insulation rubber bearing above pier top, concrete intensity is more than or equal to C40;
9th step, removes temporary support
After concrete intensity reaches design strength, remove temporary support 8.
The mode that the method adopts " reduction " capital and " jacking " bearing to combine, for bearing replacement provides space, ensure that support of buildings Bearing Seat Force uniformity simultaneously, avoid because single bearing does not stress, structural stress is caused to change, and the top power of the jack needed is little, change quick, safety, operating expenses is low.
Have the load display 9 be electrically connected with this dynamometry jack 5 in dynamometry jack 5 arranged outside, remove in temporary support step in the 9th step, observation dynamometry jack load amplitude of variation, amplitude of variation is less than or equal to 2% and can meets the demands.Can observe dynamometry jack load amplitude of variation at any time after concreting, construct convenient, and dynamometry jack load amplitude of variation is less than or equal to 2%, make bearing load almost equal with design.
Remove in pier stud top concrete step in the 5th step, remove pier stud top concrete height and be more than or equal to 300mm, described platform diameter is 200---300mm, the flatness of described platform is less than or equal to 2mm, both ensure that the intensity of pier stud in turn ensure that the space of replacing time.
Claims (4)
1. the replacing options of architectural vibration-insulation rubber supporting seat, is characterized in that: the method comprises the following steps:
The first step, finds the architectural vibration-insulation rubber supporting seat design load that need change
The design load of the architectural vibration-insulation rubber supporting seat that this need be changed is found out from architectural design;
Second step, arranges temporary support
Temporary support by jack and load sensor is set around this architectural vibration-insulation rubber supporting seat;
3rd step, to jack load application, until load sensor display numerical value is equal with the design load of architectural vibration-insulation bearing;
4th step, removes architectural vibration-insulation rubber supporting seat
Remove this architectural vibration-insulation rubber supporting seat, observe the numerical value of load sensor display simultaneously, make to observe the numerical value of load sensor display and the difference of architectural vibration-insulation rubber supporting seat design load be not more than 1%;
5th step, removes pier stud top concrete
Remove pier stud top concrete, and the pier stud top cleaning platform after dismounting;
6th step, installs dynamometry jack
Platform is installed dynamometry jack, lower embedded board and new shock insulation rubber bearing are set above this dynamometry jack, embedded board and new shock insulation rubber bearing under jacking, and observe dynamometry jack stress value, until the stress value of dynamometry jack and the design load of shock insulation rubber bearing consistent;
7th step, connects Dun Ding and embedded board
Combing pier top reinforcing bar, and pier top reinforcing bar and embedded board are linked together;
8th step, concreting
To concreting below shock insulation rubber bearing above pier top, concrete intensity is more than or equal to C40;
9th step, removes temporary support
After concrete intensity reaches design strength, remove temporary support.
2. the replacing options of architectural vibration-insulation rubber supporting seat according to claim 1, it is characterized in that: have in described dynamometry jack arranged outside the load display be electrically connected with this dynamometry jack, remove in temporary support step in described 9th step, observation dynamometry jack load amplitude of variation, amplitude of variation is less than or equal to 2% and can meets the demands.
3. the replacing options of architectural vibration-insulation rubber supporting seat according to claim 1, it is characterized in that: remove in pier stud top concrete step in described 5th step, remove pier stud top concrete height and be more than or equal to 300mm, described platform diameter is 200---300mm, the flatness of described platform is less than or equal to 2mm.
4. the replacing options of architectural vibration-insulation rubber supporting seat according to claim 1, is characterized in that: install in dynamometry jack step in described 6th step, below dynamometry jack and between pier top, be provided with backing plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410278023.9A CN104018434B (en) | 2014-06-20 | 2014-06-20 | The replacing options of architectural vibration-insulation rubber supporting seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410278023.9A CN104018434B (en) | 2014-06-20 | 2014-06-20 | The replacing options of architectural vibration-insulation rubber supporting seat |
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| CN104018434A CN104018434A (en) | 2014-09-03 |
| CN104018434B true CN104018434B (en) | 2016-03-30 |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358421B (en) * | 2014-11-12 | 2016-05-25 | 云南震安减震技术有限公司 | A kind of replacing method of shock insulation rubber bearing |
| CN104775366B (en) * | 2015-04-01 | 2016-08-03 | 杭州市路桥集团有限公司 | A kind of bearing replacement method in the case of pot bearing locational space is relatively low |
| CN105544762A (en) * | 2015-12-21 | 2016-05-04 | 广州机施建设集团有限公司 | Method for installing seismic isolation layer |
| CN105715068B (en) * | 2016-03-11 | 2018-08-28 | 江苏鼎达建筑新技术有限公司 | Existing brick mix structure shock isolating pedestal underpinning structure and its construction method |
| JP6912359B2 (en) * | 2017-11-17 | 2021-08-04 | 鹿島建設株式会社 | Reinforcement structure of superstructure beam for replacement of seismic isolation device |
| CN108442260B (en) * | 2018-03-26 | 2019-03-22 | 中交路桥建设有限公司 | Construction technology for large heavy girder bearing replacement |
| CN110965594A (en) * | 2019-11-11 | 2020-04-07 | 同济大学 | Method for self-jacking to gradually replace grouped pile shock insulation support |
| CN112478599B (en) * | 2020-12-04 | 2022-11-18 | 上海宝冶集团有限公司 | Method for replacing belt corridor platform plate |
| CN112854023B (en) * | 2021-01-09 | 2022-11-15 | 喻肇昌 | Support connecting node of steel frame bridge and post-earthquake restoration method thereof |
| CN113982302B (en) * | 2021-10-11 | 2023-04-18 | 河北省建筑科学研究院有限公司 | Undisturbed replacement construction method for existing seismic isolation building seismic isolation support |
| CN114059683B (en) * | 2021-12-22 | 2023-06-20 | 中国建筑第八工程局有限公司 | Replaceable shock insulation device and replacement method thereof |
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| JP2003184318A (en) * | 2001-12-18 | 2003-07-03 | Shimizu Corp | Method for temporarily supporting building and structure |
| CN1696407A (en) * | 2005-06-14 | 2005-11-16 | 河北道桥特种工程有限公司 | Technique for replacing supporters for continuous beam without breaking off traffic |
| JP2007308979A (en) * | 2006-05-18 | 2007-11-29 | Okumura Corp | Base isolation construction method for existing building |
| CN101230563A (en) * | 2008-02-21 | 2008-07-30 | 北京公科固桥技术有限公司 | Method for replacing bridge bearing without traffic interruption and special device thereof |
| CN102966045A (en) * | 2011-09-01 | 2013-03-13 | 湖南华鼎建筑科技有限公司 | Bridge supporting replacement synchronous ejecting device |
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- 2014-06-20 CN CN201410278023.9A patent/CN104018434B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003184318A (en) * | 2001-12-18 | 2003-07-03 | Shimizu Corp | Method for temporarily supporting building and structure |
| CN1696407A (en) * | 2005-06-14 | 2005-11-16 | 河北道桥特种工程有限公司 | Technique for replacing supporters for continuous beam without breaking off traffic |
| JP2007308979A (en) * | 2006-05-18 | 2007-11-29 | Okumura Corp | Base isolation construction method for existing building |
| CN101230563A (en) * | 2008-02-21 | 2008-07-30 | 北京公科固桥技术有限公司 | Method for replacing bridge bearing without traffic interruption and special device thereof |
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| CN104018434A (en) | 2014-09-03 |
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Address after: 053000 No. 2189 Yongxing West Road, Hengshui Development Zone, Hebei Patentee after: Feng Ze intelligent equipment Limited by Share Ltd Address before: 053000 No. 2189 Yongxing West Road, Hengshui Development Zone, Hebei Patentee before: Fengze Engineering Rubber S&T Devel Opment Co., Ltd. |