Luitel, Mahesh ChandraARYAL, MANU2026-06-022026-06-022026-04https://hdl.handle.net/20.500.14540/26847enbolt preload classificationpercussion-based SHMselective state space modelmulti-bolt structuresVIBRATIONAL DATA AND MACHINE LEARNING BASED MULTI BOLT LOOSENESS LEVELS CLASSIFICATIONThesis