Dependence on rainfall can be minimized through canal … Related questions 0 votes. Same section may be adopted for a group of adjacent … The lining of an irrigation canal has the advantages (i) Reduction in seepage losses from canals reaching water table and raising it resulting in waterlogging and reduction in yield, (ii) Reduced … Discharge & Relative importance of canal in network . 2. To prevent percolation. 5. Necessity of Canal Lining: Maximum velocity limited to prevent erosion Seepage of water into the ground Possibility of vegetation growth in banks, leading to increased friction Possibility of … 2. Hence, it is very essential to make sure before lining the canal that the cost incurred on lining … lining of canals. We’ll go over the symptoms and causes of this … 1. asked Aug 18, 2015 in Hydraulic Structures by mfby2k . canal; asked Aug 5, 2015 in Hydraulic Structures by mfby2k . Economics of Canal Lining: Though lining has advantages to its credit a lined canal costs 2 to 2.5 times as much as an unlined canal. CANAL LINING OBJECTIVES OF CANAL LININGS. Urethral prolapse, also called urethrocele, happens when the urethra pushes into the vaginal canal or sticks out of the urethral opening. Design of Canal Section- Canal section is designed for the discharge as worked out in column ‘Cumulative Discharge’ of cut-off statement. Care should be taken that the filter does not get clogged during lining… Economic development can be expedited by avoiding dangerous droughts. To control seepage lining of the canal is necessary. The first British canal to follow a totally new route (the first British canal was the Sankey Brooke Navigation, but this followed a river) was the Bridgewater canal from collieries in Worsley to … To balance seepage losses, capacity of the reservoir has to be increased. The lining of another 20km strip is in the pipeline at a total cost of Rs14bn. 1 Answer. of canal, at least one drain for every 10 m width should be provided. ADVERTISEMENTS: Advantages of Canal Irrigation: 1. What is the necessity of canal lining? Un-irrigated wastelands can be developed by canal irrigation, which would increase the quantity of biomass in the area. 0 votes . ... then alignment will be along straight line, which ... • Canal alignment shall be such that it should distribute the water in most . canal… answered Sep 15, 2015 by fawad . 208 views. 0 answers 208 views. To control seepage losses Seepage loss is maximum loss in unlined canals. To prevent water-logging Leakage water from sides of canal inundates low lying areas along the canal. The drains should be placed symmetrically with reference to the centre line of canal. Lining of a canal can be done only after incurring heavy expenditure. 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