4Brent M. Phares ,Terry J. Lowell F. Greimann. Health monitoring of bridge structures and components using smart structure technology [ J ]. Volume 1 center for transportation i'esearch and education, Io- wa state university ,2005,1 (6) :35 - 38.
5Zhou - bong, WANG T L, HUANG D Z et al. State - of - the - art Report of Bridge Health Monitoring. Journal of Fuzhou University [ J ]. Natural Science, 2002,30 (2) : 127 - 152.