We introduce a simplified crossing wood drain disperses rain water concentration and is used to protect the road surface from erosion due to flooding over the unpaved road. The efficiency of a simplified crossing wood drain was also investigated. A structure of simplified crossing wood drain can be produced within 10 minutes and installed within 18 minutes. The cost of the this product is 1/5 of that of the existing crossing drain product. The production and installation cost can be reduced according to dexterity. In the context of such applications, the degrees of damage for a rubber pad, which preventing the rain overflow, were varied according to their materials. A type of 8.2㎜ thick fabric rubber was the most suitable in this study.

• Sung-Gie Lee(Warm-temperate Forest Research Center, Korea Forest Research Institute) Corresponding Author
• Kab-Yeon Lee(Warm-temperate Forest Research Center, Korea Forest Research Institute)
• Jong-Han Kim(Warm-temperate Forest Research Center, Korea Forest Research Institute)
• Young-Je Kang(Warm-temperate Forest Research Center, Korea Forest Research Institute)
• Kwang-Ok Byun(Warm-temperate Forest Research Center, Korea Forest Research Institute)