Special Issue: Sediment‐related disaster prevention facilities and the effect

Papers

Proposal for design method to improve redundancy for steel check dam

Ryo KATADE, Satoshi KATSUKI and Joji SHIMA　3

Study on seismic resistance evaluation for Sabo dam using earthquake observation records

Nagazumi TAKEZAWA, Taro UCHIDA and Keiji TAMURA　15

Technical Notes

Study on structural measures for reducing disaster risk of natural lake formed by natural barrier
　　　Hideaki MIZUNO and Nobutomo OSANAI　24

Experimental study of steel grid dam for debris flow composed by small rock
　　　Hiroshi MORIYAMA, Mitsunori KATO, Akihiko TAKANO and Takanori KAWAMURA　30

Method of Setting up sabo structures by helicopter without construction path
　　　Mitsunori KATO, Hiroshi MORIYAMA, Takanori KAWAMURA and Akihiko TAKANO　34

Improvement and design of wire net dam
　　　Kazuhito SHIMOJO, Hiroyuki UMEZAWA and Hiroshi MORIYAMA　38

Problem and counter measures on operation and maintenance of open type steel check dam
　　　Kazuhiko HOSHINO and Masami ITO　43

General reviews

History and futures assignment of technology for open type steel SABO dams
　　　Shigekiyo TABATA and Hiroshi MORIYAMA　47

Challenges and new horizons for utilization of wood in the field of erosion control engineering
　　　Yoshiharu ISHIKAWA　52