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ng lc hc ca dt
nt chng ca ti trng phc v
cho vit cu
Dynamic analysis of a cracked double beam subjected to moving vehicle and its application for
crack detection
NXB H. : , 2014 59 tr. +

n Anh

i h
Lu  thut; : 60520101
ng dn: TS. Nguyn Vit Khoa
o v: 2014

Keywords: c k thut; ng lc hc; D; t cu

Content
Kt cu dt quan trng trong k thuc bi
ng. Kt cu dc u t cu d
v kt cu dm t
nhiu hn chu c v h t [4], d [1] 
 [8, 9]u v ng bc ca hai tm m nht [4]
kt vi nhau bi, chu ti tr b  c
nghim giu kin ti
tr u v h d [1],  mu dao
ng t do ca h  n ti tri ti tr
cu v ng ca h t vi nhau bi [8, 9], chu ti trng
ng cng ca dm
M. [10] ng dc trc ca h thng hai dm const vi

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2

c n  ng ca vt n ng ca h d   dng bi i
  liu dang ca h dm nhn v t nt

hc vt rn bin dng ln th 
[15] Qian G. L., Gu S. N. and Jiang J. S., The Dynamic Behaviour and Crack Detection
of a Beam with a Crack. Journal of Sound and Vibration 1990,Vol.138 (2), 233243.
[16] Verboven P., Parloo E., Guillaume P. and Overmeire M. V., Autonomous Structural
Health Monitoring – Part I: Modal Parameter Estimation and Tracking. Mechanical Systems
and Signal Processing 2002, Vol. 16(4), 637-657.
[17] Verboven P., Parloo E., Guillaume P. and Overmeire M. V., Autonomous Structural
Health Monitoring – Part II: Vibration-based In-operation Damage Assessement. Mechanical
Systems and Signal Processing 2002, Vol. 16(4), 659-675.
[18] Newmark, N.M. "A Method of Computation for Structural Dynamics" ASCE
Journal of Engineering Mechanics Division, Vol 85. No EM3, pp. 67-94, 1959.