Chalermphol Chaikaew <li>Department of Civil Engineering, Rajamangala University of Technology Rattanakosin</li> Thailand
Patchareeya Chaikaew <li>Department of Civil Engineering, Rajamangala University of Technology Rattanakosin</li> Thailand
Warun Na Songkhla <li>Department of Civil Engineering and Architecture, Rajamangala University of Technology Suvarnabhumi</li> Thailand