Papers

Consideration on boulders & members' interval of open type steel sabo dam for capturing debris flow

Joji SHIMA, Keisuke YOSHIDA, Yoshihiro KAWAKAMI and Takahisa MIZUYAMA　3

Evaluation of storm events triggering slope failures

Ken'ichirou KOSUGI　12

Technical Report

An experiments for sediment collision ratio of hydrophone（pipe geophone）

Taro UCHIDA, Nobuya YOSHIMURA, Shin’ichiro HAYASHI, Kenji TSURUTA,
Takuro SUZUKI, Yuji HASEGAWA, Jun’ichi KANBARA and Takahisa MIZUYAMA　12

Research Notes

Example of using the watershed-management system（WMS）to evaluate the effect that Sabo dam has on reducing sediment discharge

Yoko TOMITA, Toshio MORI, Yoshiiku MUSASHI, Tomoyuki SUZUKI and Takahisa MIZUYAMA　　30

Evaluation of the relationships between rainfall infiltration properties and the lateral flow discharge of a slope based on artificial rain experiments

Go YANAGISAKI, Naoki IWATA, Satoshi WATANABE, Yuichiro MARUOKA, Atsushi KAJIYAMA and Katsuo SASAHARA　　37

Experimental study on evaluation of grain diameter using contact time in flow

Akira ODA, Hiroki MATSUSHIRO and Minoru OCHIAI　　44

Technical Notes

Development of an affordable and simple device to record the time of sediment movement occurred process and its case study application

Tasuku MIZUTANI, Yukinori NOWA, Shiki YOSHINAGA, Teruyoshi TAKAHARA, Atsuhiko KINOSHITA and Tadanori ISHIZUKA　　49