... indicates the maintenance measures should be taken immediately. The defects on the pipe accelerated the speed of damage and the late stage of damage evolution. e-mail:  hqlan@bjtu.edu.cn 11 06 2020 22 10 2020 17 12 2020 PE pipe land subsidence damage assessment failure...

... damage-assessment technique for seismically excited buildings that uses only a few floor-response measurements. The SRIM identification technique was first applied to estimate such modal properties as frequencies and damping ratios of the instrumented building. The proposed OMSR technique was applied...