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Development and testing of a surface roughness measurement device based on aerial ultrasonic reflections |
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| Authors: | Okajima Kenji Nagaoka Seiya Islam Mohammad Raihanul Ito Ryouei Watanabe Ken |
| Institution: | 1.Graduate School of Bioresources, Mie University, 1577 Kurimamachiya-cho, Tsu, Mie, 514-8507, Japan ;2.Department of Farm Structure and Environmental Engineering, Bangladesh Agricultural University, Mymensingh, 2202, Bangladesh ;3.Maruei Concrete Industry Co., Ltd., 1518 Majima, Fukujyu-machi, Gifu, 501-6293, Japan ; |
| Abstract: | Paddy and Water Environment - Repairs of concrete irrigation channels in Japan are guided to a large extent by the degree to which their walls have degraded over decades of use. Current methods of... |
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