{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,22]],"date-time":"2025-11-22T11:10:21Z","timestamp":1763809821753},"reference-count":24,"publisher":"SAGE Publications","issue":"2","license":[{"start":{"date-parts":[[2018,2,1]],"date-time":"2018-02-01T00:00:00Z","timestamp":1517443200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["51608162"],"award-info":[{"award-number":["51608162"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["International Journal of Distributed Sensor Networks"],"published-print":{"date-parts":[[2018,2]]},"abstract":"<jats:p>In the design and condition assessment of bridges, the extreme vehicle load effects are necessary to be taken into consideration, which may occur during the service period of bridges. In order to obtain an accurate extrapolation of the extreme value based on limited duration, threshold selection is a critical step in the peak-over-threshold method. Overly high threshold results in little information to be used and excessively low threshold leads to large bias in parameters estimation of generalized Pareto distribution. To investigate this issue, 417\u2009days of strain data acquired from the long-term structural health monitoring system of Taiping Lake Bridge in China are employed in this article. According to the tail distribution of the strain data induced by vehicle loads, four homothetic distributions are chosen as its parent distribution, from which lots of random samples are generated by the Monte Carlo method. For each parent distribution, the 100-yearly extreme values at different thresholds are estimated and compared with the theoretical value based on those samples. Then a simple and empirical threshold selection method is proposed and applied to estimate the weekly extreme strain due to vehicle loads on the Taiping Lake Bridge. Results show that the estimate on the basis of the threshold obtained by the proposed method is closer to the measured result than the commonly used methods. The proposed method can be an effective threshold selection tool for the extreme value estimation of vehicle load effect in future engineering practice.<\/jats:p>","DOI":"10.1177\/1550147718757698","type":"journal-article","created":{"date-parts":[[2018,2,9]],"date-time":"2018-02-09T12:31:12Z","timestamp":1518179472000},"page":"155014771875769","update-policy":"http:\/\/dx.doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":16,"title":["Threshold selection for extreme value estimation of vehicle load effect on bridges"],"prefix":"10.1177","volume":"14","author":[{"given":"Xia","family":"Yang","sequence":"first","affiliation":[{"name":"School of Urban Construction, Yangtze University, Wuhan, P.R. China"}]},{"given":"Jing","family":"Zhang","sequence":"additional","affiliation":[{"name":"School of Civil Engineering, Hefei University of Technology, Hefei, P.R. China"}]},{"given":"Wei-Xin","family":"Ren","sequence":"additional","affiliation":[{"name":"School of Civil Engineering, Hefei University of Technology, Hefei, P.R. China"}]}],"member":"179","published-online":{"date-parts":[[2018,2,9]]},"reference":[{"key":"bibr1-1550147718757698","doi-asserted-by":"publisher","DOI":"10.1016\/j.strusafe.2015.01.002"},{"key":"bibr2-1550147718757698","doi-asserted-by":"publisher","DOI":"10.1061\/(ASCE)ST.1943-541X.0000014"},{"key":"bibr3-1550147718757698","unstructured":"Shi DJ. Practical extremum statistical method. 1st ed. Tianjin, China: Tianjin Science and Technology Press, 2006, p.29."},{"key":"bibr4-1550147718757698","unstructured":"De Haan L, Ferreira A. Extreme value theory: an introduction. 1st ed. 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