Leq 1200  1800 600  0.45 0.35 0.45  0.55      Leq= 4318.2 m Given Leq= 3600 m 3600 1200  1800 600  0.45 0.35  0.55    D5   eq Deq= 0.39 m
Leq  1800 1200 600  0.45  0.55  0.45  0.35    Leq= 4318.2 m Given Leq= 3600 m 3600  1800 1200 600  D5  0.55  0.45  0.35  eq   Deq= 0.39 m
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