The objective of this experiment is to determine the channel bed slope by measuring the variation of water depth at two sections by using the standard step method. The channel width of the laboratory flow channel: 6.4 cm Manning’s coefficient for methacrylate flumes: 0.008 Distance between 2 measurement points: 30 cm ➢ Determine the channel bed slope (So) by computing of water surface profile using the standard step method according to the measurements given in the tables shown below: 1 Q (flowrate) = y1 (downstream depth)= y2 (upstream depth) = 600 L/h 0.88 cm 0.73

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Principles of Seepage

In hydrology, when water flows down in a pore or crack of unsaturated soil due to gravity, the deep layer of soil is called seepage. It is the slow movement of water in the soil layer. Seepage is mainly found near hydraulic structures and is responsible for the stability of earthen-type hydraulic structures.