1. Department of Bio-Industry Mechanical Engineering, Kongju National University, Yesan 32439, Republic of Korea
2. Department of Rural Construction Engineering, Kongju National University, Yesan 32439, Republic of Korea
3. Department of Civil Engineering, University of Suwon, Hwaseong 18323, Republic of Korea
4. Rural Research Institute, Korea Rural Community Corporation, Ansan 15634, Republic of Korea