1. Dept. of Architectural and Civil Engineering, Kumamoto Univ., Kumamoto 860-8555, Japan; Assistant Professor, Dept. of Civil Engineering, Institut Teknologi Adhi Tama Surabaya, Surabaya 60117, Indonesia (corresponding author). ORCID: .
2. Associate Professor, Graduate School of Science and Technology, Kumamoto Univ., Kumamoto 860-8555, Japan. ORCID: .