1. Department of Technical Engineering, Dongsu PCC, Ltd., Seoul 05836, Republic of Korea
2. Department of Building Research, Korea Institute of Civil Engineering and Building Technology, Goyang-Si 10223, Republic of Korea
3. Department of Technical Engineering, Hilti (Korea) Ltd., Seoul 05836, Republic of Korea
4. Department of Architecture, Shizuoka Institute of Science and Technology, Toyosawa 2200-2, Fukuroi 437-0032, Japan
5. Department of Architecture Engineering, Dongguk University, Seoul 04620, Republic of Korea