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INDIA<br />
<strong>TEESTA</strong> <strong>DAM</strong><br />
Cut - off wall / Permeation<br />
grouting<br />
RIGHT BANK<br />
<strong>TEESTA</strong> <strong>DAM</strong> PROJECT<br />
DOWNSTREAM COFFER <strong>DAM</strong><br />
CUT-OFF ELEVATION<br />
(solution 2) angular cut-off<br />
TYPICAL PIEZOMETRICAL LINE<br />
LEFT BANK<br />
1<br />
2<br />
WORKING PLATFORM<br />
EL: 543.00<br />
FALL = 1.5%<br />
WORKING PLATFORM<br />
EL: 544.00<br />
B<br />
TOP OF JET GROUT CUT-OFF EL:539<br />
C<br />
D<br />
E<br />
A<br />
WORKING PLATFORM<br />
EL: 535.00<br />
D4<br />
D3<br />
<strong>TEESTA</strong> RIVER<br />
TOP OF JET GROUT CUT-OFF<br />
EL:534<br />
D1<br />
D2<br />
DDH09<br />
D1A<br />
LEGEND:<br />
ROCK PROFILE<br />
(EXPLORATORY HOLES)<br />
AREA OF JET GROUT CUT-OFF WALL: 2797 m²<br />
ROAD SAVED WITH THIS "ANGULAR" SOLUTION<br />
NOTE<br />
D1A- D4 : EXPLORATORY HOLES<br />
DDH09 : PREVIOUS GEOLOGICAL INVESTIGATION HOLE<br />
DIMENSION A to B = 58.77m<br />
DIMENSION B to C = 39.23m<br />
DIMENSION C to D = 33.75m<br />
DIMENSION D to E = 9.89m<br />
TOTAL LENGTH = 141.64 m<br />
8/37
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