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<br />I <br /> I <br />i'- <br /> I <br /> FIGURE <br /> I <br /> ~.4.10 <br /> I ~.4.11 <br /> I ~.4.12 <br /> ~.4.13 <br /> I ~.4.14 <br /> ~.4. l~ <br /> I ~.~.l <br /> I ~.5.2 <br /> ~.~.3 <br /> ,. ~.5.4 <br /> I 5.5.5 <br /> 5.5.6 <br /> I ~.5.7 <br /> I 5.5.8 <br /> I <br /> I <br /> I <br /> -. <br /> I <br /> I <br /> <br />LIST OF fIGURES (Continued) <br /> <br />DESCRIPTION <br /> <br />Guidebank. <br /> <br />Guidebank at skewed highway crossing. <br /> <br />Guidebank design procedure. <br /> <br />Design example of a soil cement drop structure. <br /> <br />F low and scour patterns at a vertical wall. <br /> <br />F low and scour patterns at a sloping sill. <br /> <br />T he four main cases of contraction scour. <br /> <br />Unit discharge as a function of depth and velocity. <br /> <br />Sediment transport rate as a function of depth <br />and velocity. <br /> <br />Determination of contraction scour depth. <br /> <br />Plan view of the long contraction. <br /> <br />Schematic representation of scour at a <br />cylindrical pier. <br /> <br />Scour depth as a function of time. <br /> <br />Abutment scour, cases I, 2, 3 and 4. <br /> <br />xxi <br /> <br />PAGE <br /> <br />V-62 <br /> <br />V-62 <br /> <br />V-63 <br /> <br />V-64 <br /> <br />V-65 <br /> <br />V-6~ <br /> <br />V-72 <br /> <br />V-74 <br /> <br />V-74 <br /> <br />V-7~ <br /> <br />V-76 <br /> <br />V-79 <br /> <br />V-82 <br /> <br />V-87 <br />