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For each analysis, the tensile strains w=1 calculated from the deformed spacing betwe <br />adjacent grid points in the surface against the initial grid spacing. A characteristic curve of t <br />maximum tensile strains versus ratio of void width (4) to controlled fill thickness <br />developed from the analyses' results. This curve is pt= nted in Figure 4. <br />2.0 <br />1.8 6 <br />1.4 <br />0 1.2 0 <br />C: <br />1.0 <br />E <br />:3 L 0.8 <br />E ' <br />0.6 0 <br />0 1 <br />0.4 - 0 <br />0.2 0 <br />10 1 1 <br />0.0. 0.2 0.4 0.6 0.8— 1.0 1.2 <br />Rofio of Void Wid.fh to Confrolled F11 Thickness (L/T) <br />Figure 4 'Maximum tensile strain versus ratio of void width/controlled fill t1fickhe <br />on 0.9m x 0.9m,x 1.8m (3'x3'x6') void p4 - -)- <br />2 <br />3-! <br />LEGEND <br />A LEONARD ( eEAu FLEXURE TESTS H4- <br />0 TSCHMOTARIOFF ( DIRECT TENSION TESTS I <br />0 WES DATA (DIRECT TENSION TESTS <br />Figure 5 <br />Ic <br />M <br />10 100 1000 <br />PLASTICM INNX % <br />Tensile strain versus plasticity index <br />(After Gilbert and Murphy, 1987) <br />1506 - Vancouvcr, Canada - Geosynthetics'93 <br />