C.C. LINING By M.S. CHALAPATHI RAO.

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Presentation transcript:

C.C. LINING By M.S. CHALAPATHI RAO

FUNCTIONS OF LINING (IS: 10430 : 2000) Minimum seepage loss Increased hydraulic efficiency Increased resistance to erosion/ abrasion Prevention of water logging Reduction in cross section area and consequential smaller structures

TYPES OF LINING Rigid lining:- Flexible lining:- Cement concrete lining Pre-cast cement concrete lining Brick lining Tile lining Soil-cement lining Napa slab lining Cement mortar lining Flexible lining:- LDPE lining HDPE lining Asphaltic membrane lining Poly-felt lining

STAGES IN LINING Construction of templates/ model walls/ profile walls Sub-grade preparation Drainage arrangements Production of concrete mix Placement & compaction Providing of joints

METHODS OF LINING Manual lining Pavers lining Pre-cast slab lining

INDIAN STANDARDS FOR CANALS LINING IS: 456-2000 IS: 3873-1993 IS: 4558-1998 IS: 5256-1992 IS: 9451-1994 IS: 7245-1974 IS: 10430-2000