基于車橋耦合分析和遺傳算法的橋梁損傷識(shí)別方法

打開文本圖片集

【中圖分類號(hào)】：U441.3 【文獻(xiàn)標(biāo)志碼】：A 【文章編號(hào)】：1008-3197（2025）03-05-05

【DOI編碼】：10.3969/j.issn.1008-3197.2025.03.002

BridgeDamage IdentificationMethod Based on Vehicle-bridge Interaction Analysis and Genetic Algorithm

HEXingwen’，LUO Xingcai1，XU Can1，ZHU Weizhi2

1.SchoolofIfrastructueEngieeing，alinUnversityofechnologyDalian16O，China;CogofCivilEnginrinad Architecture，DalianUniversity，Dalian116622，China）

【Abstract】：Basedontheself-developedvehiclebridgecoupling vibrationanalysis programand theimprovedadaptivegenetic algorithm，abridge structure damage identificationmethod using vehicle induced vibration response was developed.First，the possble damage modeof the structure was assumed，and then the vehicle induced vibrationresponse of the bridge under a certain damage mode was calculated by using the vehicle bridge coupling analysis program，and the calculated value was compared with the vibration response value under the real damage condition efficiently，soas to realize rapiddamage identification.Bysetting a varietyof different working conditions，the impact of various factors onthe eficiencyof bridge damage identification wasanalyzed， and the effectiveness of the method was verified.

【Key words】：damage identification；vehicle bridge coupling analysis；geneticalgorithm；vehicle induced vibrationresponse

在橋梁結(jié)構(gòu)損傷識(shí)別的眾多方法中，利用行車荷載下車橋耦合系統(tǒng)的動(dòng)力響應(yīng)進(jìn)行損傷識(shí)別是一種高效便利的方法1，能夠在不中斷交通的條件下快速對(duì)橋梁健康狀態(tài)進(jìn)行評(píng)估。（剩余3756字）