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Citations since 2016
6 Research Items
Mohammad Raihanul Islam currently works at the Department of Farm Structure and Environmental Engineering , Bangladesh Agricultural University. Mohammad does research in Environmental Engineering, Civil Engineering and Agricultural Engineering.
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 estimating Manning roughness coefficients from the roughness of the channel wall are based on linear profiles of arithmetic mean roughness. This study developed a method to estimate M...
Japan has many concrete irrigation channels with total length of about 400,000 km. Most of these channels are now too old for continued use. It would be too costly to reconstruct these channels. The concrete surfaces of the channels have been abraded by the flow of water and sand. The roughness of the concrete surface causes a decline in the water...
The hydraulic performance of irrigation and drainage canals is relied on roughness of concrete surface. The arithmetic mean roughness of concrete surface is applied to estimate of the hydraulic performance. The previous study of method for measuring concrete roughness has not been clarified measure underwater. In this study, we focused on that the...
In Japan, the total length of the main concrete agriculture irrigation canals is estimated to be about 50,000 km. These canals deteriorate over time and most of the canal surface has become rough. One method of measurement of the roughness of the concrete surface is by the aerial ultrasonic sensor. As far as the literature is concerned, no study of...
The roughness coefficient of the concrete irrigation canal is one of the important evaluation criteria to ensure the hydraulic performance or malfunction between water and wall surface. In this study, the roughness coefficient of the concrete irrigation canal was measured using the aerial ultrasonic wave of the transceiver type sensor. The effect o...
The study was an attempt to elucidate the compressive strength of oyster shell (OS) aggregate and ground granulated blast furnace slag mortar in different curing condition and to know their amount of solar reflectance, brightness and heat absorption characteristic of the pavements surface which was prepared with study mortar by top filling on open...
This study was an attempt to investigate the effect of slag content on the compressive strength of river sand (RS) and oyster shell aggregate (OS) mortar in different aspects; fineness of slag, different percentage of slag content, cement types and use of chemical admixture (super plasticizer). Compressive strength of moist cured specimen was measu...