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<br />'" <br />,... <br /> <br />IL.w <br />Ot!) <br />1-<( <br />en::!; <br />0<( <br />00 <br />...Jll:: <br /><(w <br />-~ <br />~~ <br />W:.::: <br />1-0 <br />0<( <br />a..m <br /> <br />Increasing <br />Embankment <br />Height <br /> <br /> <br />Main Channel <br />Width <br /> <br />Valley <br />Width <br /> <br />BRIDGE <br /> <br />LENGTH <br /> <br />FIGURE 4. VARIATION OF BACKWATER DAMAGE WITH BRIDGE LENGTH <br />AND EMBANKMENT HEIGHT. <br /> <br />/ <br />