none

碩士 === 國立中央大學 === 土木工程學系 === 106 === A dry-point ultrasonic instrument can be used to detect the degree of deterioration in concrete. Most data shows that wave velocity histograms are often a bimodal distribution. The first peak will appear at a velocity of 3,600 m/s to 4,500 m/s, with the second pe...

Full description

Bibliographic Details
Main Authors: Yan-ru Huang, 黃彥儒
Other Authors: 田永銘
Format: Others
Language:zh-TW
Published: 2017
Online Access:http://ndltd.ncl.edu.tw/handle/w9b359