Essential properties of a good lining
ESSENTIAL PROPERTIES OF A GOOD LINING

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. The lining should be strong and durable. Initial cost of lining and its subsequent maintenance cost should be low. The lining should not get damaged by tramping of cattles. It should resist growth of weeds and attack of burrowing animals. Lining should not get damaged when flow in the canal is stopped. TYPES OF LINING The linings may be classified under the following four heads: Hard surface lining Buried and protected type membrane lining Earth lining Porous type lining, Each class of lining is discussed in details one by one. Hard Surface Lining The following types of linings come under this category: Cement concrete lining Shot-crete lining Precast concrete…

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