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<br />m <br />"'!' <br />N <br />('oJ <br />C> <br /> <br />....' <br />.:i':-;' <br /> <br />A <br /> <br />CONSTANT -FLUX BOUNDARY <br />(represents upgradient Inflbw tb .tudy al88 In vICinity 01 detention basin) <br /> <br />.- <br />'- <br /> <br />t <br />1 <br />! I <br />I I <br /> I <br /> . <br />1/ I I III I <br /> <br />)c- <br />~~ <br />l1j <br />:l_ <br />0" <br />OD!! <br />;:~ <br />9"2 <br />.., <br />c\g, <br />z_ <br /> <br />CONSTANT~EADBOUNDARY <br />(generalized boundary downgradlenl from Ilurry wall; can represent water tevelln Las Vegas Wash) <br /> <br />B <br /> <br />o <br />I <br />o <br /> <br />3.000 FEET <br />I <br />I <br />DOO METERS <br /> <br />1,000 <br />, <br />I <br />300 <br /> <br />2.000 <br />I <br />, <br />... <br /> <br />100 <br />90 <br />80 <br /> t-- Dike location (without slurry wall) <br />70 <br />60 <br /> <br />EXPlANATION <br /> <br />o <br /> <br />MODEL ELEMENT - All elements have a node at each comer; thus, a node may <br />be Common to ~ many as four contiguous elements <br /> <br />ZONE REPRESENTING TWO ROWS OR TWO COLUMNS OF ELEMENTS- <br />Each row or column has a width of 3.28 feet \1.0 meter}. These elements are <br />used in subsequent simulations to represent he dike and hypothetical slurry <br />wall <br /> <br />DIKE AND SLURRY-WALL LOCATION IN GRID <br /> <br />-80- LINE OF EaUAL WATER-TABLE ALTITUDE ON BASIS OF SIMULATlON- <br />Interval is 5 feet Datum Is arbitrary <br /> <br />)co <br />~.3 <br />l1j <br />:l- <br />0" <br />OD" <br />,;: i <br />g-g <br />'1-;: <br />o' <br />zS <br /> <br />FIGURE 12.--Planimelerie finite-element grid used for model that simulates ground-waler flow (A). and simulated <br />water-fable configuralion (E) under steady-state conditions without dike and hypothelieal slurry wall. <br /> <br />-3D- <br />