Field Test for a Base Isolation Structure on Condition of Horizontal and Initial Displacement
There are a few isolated structures that have been subjected to seismic testing. An isolated structure is incapable of tracking, adjusting, and controlling its dynamic characteristics. As a result, field evaluations of solitary structures’ dynamic characteristics are important. The horizontal initia...
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| Format: | Article |
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MDPI AG
2021-12-01
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| Series: | Applied Sciences |
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| Online Access: | https://www.mdpi.com/2076-3417/12/1/232 |
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| author | Ying-Xiong Wu Xin-Jun Dong You-Qin Lin Hao-De Cheng |
| author_facet | Ying-Xiong Wu Xin-Jun Dong You-Qin Lin Hao-De Cheng |
| author_sort | Ying-Xiong Wu |
| collection | DOAJ |
| description | There are a few isolated structures that have been subjected to seismic testing. An isolated structure is incapable of tracking, adjusting, and controlling its dynamic characteristics. As a result, field evaluations of solitary structures’ dynamic characteristics are important. The horizontal initial displacement of a base isolation kindergarten made of 46 isolation bearings is 75 mm. The method for creating the horizontal initial displacement condition is illustrated, as are the primary test findings. Horizontal initial displacement is accomplished with the assistance of a reaction wall, rods, and hydraulic pump system. To begin, we removed the building using hydraulic jacks to produce horizontal displacement of the isolation layer and then attached rods to support the building. The rods were then shot and unloaded, causing the building to shake freely, and its dynamic response and other parameters were tested. The results indicate that the natural vibration period of an isolated structure is much greater than the natural vibration period of a seismic structure. The isolation layer’s hysteretic curve as completely filled; upon unloading, the isolation layer as promptly reset; the dynamic response control effect of each was visible, but the top floor’s acceleration was magnified by approximately 1.27 times. |
| first_indexed | 2024-03-10T03:50:32Z |
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| id | doaj.art-ae1b5fa0dce64558979174b25a135e4f |
| institution | Directory Open Access Journal |
| issn | 2076-3417 |
| language | English |
| last_indexed | 2024-03-10T03:50:32Z |
| publishDate | 2021-12-01 |
| publisher | MDPI AG |
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| series | Applied Sciences |
| spelling | doaj.art-ae1b5fa0dce64558979174b25a135e4f2023-11-23T11:09:45ZengMDPI AGApplied Sciences2076-34172021-12-0112123210.3390/app12010232Field Test for a Base Isolation Structure on Condition of Horizontal and Initial DisplacementYing-Xiong Wu0Xin-Jun Dong1You-Qin Lin2Hao-De Cheng3College of Civil Engineering, Fuzhou University, Fuzhou 350108, ChinaCollege of Civil Engineering, Fuzhou University, Fuzhou 350108, ChinaCollege of Civil Engineering, Fuzhou University, Fuzhou 350108, ChinaCollege of Civil Engineering, Fuzhou University, Fuzhou 350108, ChinaThere are a few isolated structures that have been subjected to seismic testing. An isolated structure is incapable of tracking, adjusting, and controlling its dynamic characteristics. As a result, field evaluations of solitary structures’ dynamic characteristics are important. The horizontal initial displacement of a base isolation kindergarten made of 46 isolation bearings is 75 mm. The method for creating the horizontal initial displacement condition is illustrated, as are the primary test findings. Horizontal initial displacement is accomplished with the assistance of a reaction wall, rods, and hydraulic pump system. To begin, we removed the building using hydraulic jacks to produce horizontal displacement of the isolation layer and then attached rods to support the building. The rods were then shot and unloaded, causing the building to shake freely, and its dynamic response and other parameters were tested. The results indicate that the natural vibration period of an isolated structure is much greater than the natural vibration period of a seismic structure. The isolation layer’s hysteretic curve as completely filled; upon unloading, the isolation layer as promptly reset; the dynamic response control effect of each was visible, but the top floor’s acceleration was magnified by approximately 1.27 times.https://www.mdpi.com/2076-3417/12/1/232base isolationhorizontal initial displacementdynamic characteristichysteretic characteristicsreset performance |
| spellingShingle | Ying-Xiong Wu Xin-Jun Dong You-Qin Lin Hao-De Cheng Field Test for a Base Isolation Structure on Condition of Horizontal and Initial Displacement Applied Sciences base isolation horizontal initial displacement dynamic characteristic hysteretic characteristics reset performance |
| title | Field Test for a Base Isolation Structure on Condition of Horizontal and Initial Displacement |
| title_full | Field Test for a Base Isolation Structure on Condition of Horizontal and Initial Displacement |
| title_fullStr | Field Test for a Base Isolation Structure on Condition of Horizontal and Initial Displacement |
| title_full_unstemmed | Field Test for a Base Isolation Structure on Condition of Horizontal and Initial Displacement |
| title_short | Field Test for a Base Isolation Structure on Condition of Horizontal and Initial Displacement |
| title_sort | field test for a base isolation structure on condition of horizontal and initial displacement |
| topic | base isolation horizontal initial displacement dynamic characteristic hysteretic characteristics reset performance |
| url | https://www.mdpi.com/2076-3417/12/1/232 |
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