OS3-4-3 Nondestructive investigation of embankment of irrigation tank

Abstract

Standard penetration test is most popular method as in-situ investigation of embankment of irrigation tank. It is, however, difficult to understand the inner situation from small number of the tests. In this study, the electromagnetic wave and elastic wave investigations are tried to use to understand the inner situation of embankment. To obtain the effective information from the reflected wave, the information about the frequency is used in a similar way to impact echo method for concrete structure. By using the proposed method, the distribution of water contents in the embankment is examined.