YANG Tian-chun,YI Wei-jian,LU Guang-yin,et al.Experimental Study of Nondestructive Testing for Grouting Quality in Prestressed Concrete T-beam[J].Journal of Vibration Engineering,2006,19(3):411-415.
[11]
李为杜.混凝土无损检测技术[M].上海:同济大学出版社,1989:70-85.
[12]
SAKA M,AKANDA M A S.Ultrasonic Measurement of the Crack Depth and the Crack Opening Stress Intensity Factor Under a No Load Condition[J].Journal of Nondestructive Evaluation,2004,23(2):49-63.
[13]
CARINO N J.The Impact-echo Method:an Overview[C]//CHANG P.Proceedings of the 2001 Structures Congress & Exposition.Reston:ASCE,2001:1-18.
[14]
WANG Zhi-feng,ZHOU Xian-yan,YAN Ban-fu,et al.Grout Quality Testing in Prestressed Ducts with Impact-echo Method[J].Journal of Vibration and Shock,2009,28(1):166-169,190.
[15]
ZHONG You-ming.Wavelet Packet Time-frequency Analysis and Its Property[J].Journal of Vibration,Measurement & Diagnosis,2009,29(1):51-54.
[16]
SU Hang,LIN Wei-zheng.Impact-echo Method and Its Application to Civil Engineering[J].Nondestructive Testing,2003,25(2):81-83.