DESIGN OF EARTH DAMS

LARGE EARTH DAMS

DAMS EXCEEDING 15 M HEIGHT ABOVE DEEPEST BED LEVEL, DAMSBETWEEN 10 M and 15 M HEIGHT PROVIDED VOLUME OF EARTH WORKEXCEEDS 0.75 MILLION CUM OR VOLUME OF STOARGE EXCEEDS 1MILLION CUM OR MAXIMUM FLOOD DISCHARGE EXCEEDS 2000CUMECS

SMALL EARTH DAMS

DAMS NOT EXCEEDING 15 M HEIGHT ABOVE DEEPEST BED LEVEL, DAMSBETWEEN 10 M and 15 M HEIGHT PROVIDED VOLUME OF EARTH WORKLESS THAN 0.75 MILLION CUM OR VOLUME OF STOARGE LESS THAN 1MILLION CUM OR MAXIMUM FLOOD DISCHARGE LESS THAN 2000CUMECS

IS CODES

• IS 1498-1970/2002 Classification and identification of soils for

General Engineering Purpose

• IS 10635-1993/1998 Guidelines for Free-board requirements in

Embankment dams

• IS 7894-1975/1997 Code of practice for stability analysis of

earth dams.

• IS 8826-1978 Guidelines for design of large earth and

rockfill dams

• IS 8414-1977/1999 Guidelines for design of Under seepage control

measures for earth and rockfill dams

IS CODES

• IS 9429-1999 Code of practice for Drainage system for earth

and rock fill dams.

• IS 8237-1985/1999 Code of practice for protection of slope for Reservoir

embankments.

• IS 7356 (Part I) -1993 Code of practice for instrumentation maintenance and

observations for pore pressure measurements in Earth

dams and Rock fill dams