{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,15]],"date-time":"2026-05-15T01:46:41Z","timestamp":1778809601142,"version":"3.51.4"},"reference-count":70,"publisher":"MDPI AG","issue":"21","license":[{"start":{"date-parts":[[2021,11,3]],"date-time":"2021-11-03T00:00:00Z","timestamp":1635897600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"National Key R&amp;D Program of China","award":["2019YFB2102700 and 2019YFC1511005-05"],"award-info":[{"award-number":["2019YFB2102700 and 2019YFC1511005-05"]}]},{"name":"China Earthquake Administration\u2019s Science for Earthquake Resilience Project","award":["XH204702"],"award-info":[{"award-number":["XH204702"]}]},{"name":"Guangdong Provincial Science and Technology Plan Project","award":["2018B020207011"],"award-info":[{"award-number":["2018B020207011"]}]},{"name":"Guangdong Provincial Key R&amp; D Program","award":["2019B111106001"],"award-info":[{"award-number":["2019B111106001"]}]},{"name":"Shenzhen Key Laboratory of Structure Safety and Health Monitoring of Marine Infrastructures (In Preparation)","award":["ZDSYS20201020162400001"],"award-info":[{"award-number":["ZDSYS20201020162400001"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Suffering from structural deterioration and natural disasters, the resilience of civil structures in the face of extreme loadings inevitably drops, which may lead to catastrophic structural failure and presents great threats to public safety. Earthquake-induced extreme loading is one of the major reasons behind the structural failure of buildings. However, many buildings in earthquake-prone areas of China lack safety monitoring, and prevalent structural health monitoring systems are generally very expensive and complicated for extensive applications. To facilitate cost-effective building-safety monitoring, this study investigates a method using cost-effective MEMS accelerometers for buildings\u2019 rapid after-earthquake assessment. First, a parameter analysis of a cost-effective MEMS sensor is conducted to confirm its suitability for building-safety monitoring. Second, different from the existing investigations that tend to use a simplified building model or small-scaled frame structure excited by strong motions in laboratories, this study selects an in-service public building located in a typical earthquake-prone area after an analysis of earthquake risk in China. The building is instrumented with the selected cost-effective MEMS accelerometers, characterized by a low noise level and the capability to capture low-frequency small-amplitude dynamic responses. Furthermore, a rapid after-earthquake assessment scheme is proposed, which systematically includes fast missing data reconstruction, displacement response estimation based on an acceleration response integral, and safety assessment based on the maximum displacement and maximum inter-story drift ratio. Finally, the proposed method is successfully applied to a building-safety assessment by using earthquake-induced building responses suffering from missing data. This study is conducive to the extensive engineering application of MEMS-based cost-effective building monitoring and rapid after-earthquake assessment.<\/jats:p>","DOI":"10.3390\/s21217327","type":"journal-article","created":{"date-parts":[[2021,11,3]],"date-time":"2021-11-03T21:57:49Z","timestamp":1635976669000},"page":"7327","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":42,"title":["Study of Building Safety Monitoring by Using Cost-Effective MEMS Accelerometers for Rapid After-Earthquake Assessment with Missing Data"],"prefix":"10.3390","volume":"21","author":[{"given":"Jian-Fu","family":"Lin","sequence":"first","affiliation":[{"name":"Center of Safety Monitoring of Engineering Structures, Shenzhen Academy of Disaster Prevention and Reduction, China Earthquake Administration, Shenzhen 518003, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1339-8145","authenticated-orcid":false,"given":"Xue-Yan","family":"Li","sequence":"additional","affiliation":[{"name":"MOE Key Laboratory of Disaster Forecast and Control in Engineering, School of Mechanics and Building Engineering, Jinan University, Guangzhou 510632, China"}]},{"given":"Junfang","family":"Wang","sequence":"additional","affiliation":[{"name":"MOE Key Laboratory for Resilient Infrastructures of Coastal Cities, College of Civil and Transportation Engineering, Shenzhen University, Shenzhen 518060, China"}]},{"given":"Li-Xin","family":"Wang","sequence":"additional","affiliation":[{"name":"Center of Safety Monitoring of Engineering Structures, Shenzhen Academy of Disaster Prevention and Reduction, China Earthquake Administration, Shenzhen 518003, China"}]},{"given":"Xing-Xing","family":"Hu","sequence":"additional","affiliation":[{"name":"Institute of Geophysics, China Earthquake Administration, Beijing 100081, China"}]},{"given":"Jun-Xiang","family":"Liu","sequence":"additional","affiliation":[{"name":"Center of Safety Monitoring of Engineering Structures, Shenzhen Academy of Disaster Prevention and Reduction, China Earthquake Administration, Shenzhen 518003, China"}]}],"member":"1968","published-online":{"date-parts":[[2021,11,3]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"127","DOI":"10.3389\/fbuil.2019.00127","article-title":"Urban Seismic Networks, Structural Health and Cultural Heritage Monitoring: The National Earthquakes Observatory (INGV, Italy) Experience","volume":"5","author":"Costanzo","year":"2019","journal-title":"Front. 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