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Failure of weirs on permeable foundation
access_time 2021-09-06T08:14:15.915Z face online5
CAUSES OF FAILURE OF WEIRS ON PERMEABLE SOILS AND THEIR REMEDIES CAUSES OF FAILURE OF WEIRS ON PERMEABLE SOILS AND THEIR REMEDIES The weir failure may take place due to the following reasons 1. Piping or undermining. 2. By uplift pressure. 3. By suction due to standing wave. 4. By scour on the U/S ...
ALIGNMENT OF WATER COURSES
access_time 2021-09-06T08:05:54.725Z face online5
ALIGNMENT OF WATER COURSES ALIGNMENT OF WATER COURSES Though the responsibility of maintenance of the water courses is that of farmers, still in new irrigation works. The alignment, of the water courses is fixed by the government. This work is being done these days by canal area development (C.A.D....
TRACTIVE FORCE THEORY
access_time 2021-09-06T07:58:06.156Z face online5
TRACTIVE FORCE THEORY TRACTIVE FORCE THEORY In the study of mechanics of sediment transport, the soil particles are always considered as incoherent. Most of the river beds are made up of sand and gravel and as such assumption in regard to soil being incoherent is correct. The basic mechanism that c...
Design of the canal
access_time 2021-09-06T07:50:43.759Z face online5
Design of the canal DESIGN OF THE CANAL In the design of a canal one has to find out bed width (B) depth (D), longitudinal slope (S), and velocity of flow (V). If discharge (Q) and silt factor (f) are given, the method of finding. This aspect limits only finding the sectional dimensions of the cana...
Essential properties of a good lining
access_time 2021-09-06T07:39:16.624Z face online5
Essential properties of a good lining ESSENTIAL PROPERTIES OF A GOOD LINING Following are the essential properties of a good lining: The lining should be completely water tight. The rugosity coefficient of the lining material should be low, so as to make the section more efficient, hydraulically. T...