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<br />TABLE OF CONTENTS (continued) <br /> <br />3.4 Slope............ <br />3.5 Degradation and Aggradation. <br />3.6 General Scour. . . . . . <br /> <br />3.7 <br /> <br />3.6.1 <br />3.6.2 <br />3.6.3 <br /> <br />Flow Confined to the Channel <br />Overbank Flow with Flow in the Channel <br />Overbank Flow Only <br /> <br />Local Scour. . . <br /> <br />3.7.1 <br />3.7.2 <br /> <br />Local Scour Around Embankments <br />Local Scour Downstream of Hydraulic Structures <br /> <br />3.8 Total Scour. . . . <br />3.9 Lateral Migration. <br /> <br />3.10 <br />3.11 <br /> <br />3.12 <br />3.13 <br />3.14 <br /> <br />3.9.1 <br />3.9.2 <br /> <br />General. . <br />Lateral Migration Potential. <br /> <br />Seepage Force. <br />Bank Erosion . <br /> <br />3.11.1 <br />3.11. 2 <br /> <br />Piping <br />Mass Wasting <br /> <br />Forces Causing Erosion <br />Effects of Bends <br />Freeboard. . . . . . . <br /> <br />IV. DATA REQUIREMENTS <br /> <br />4.1 <br />4.2 <br /> <br />General. . . <br />Checklist for Data Needs <br /> <br />V. DESIGN STANDARDS <br /> <br />5.1 <br />5.2 <br /> <br />General. . . . . . <br />Design of Stable Channel <br /> <br />5.2.1 <br />5.2.2 <br /> <br />General. . . . . <br />Design Criteria. <br /> <br />iv <br /> <br />. <br /> <br />. <br /> <br />Page <br /> <br />39 <br />40 <br />44 <br /> <br />. <br /> <br />45 <br />45 <br />46 <br /> <br />47 <br /> <br />. <br /> <br />47 <br />48 <br /> <br />51 <br />52 <br /> <br />. <br /> <br />52 <br />52 <br /> <br />54 <br />55 <br /> <br />. <br /> <br />58 <br />59 <br /> <br />59 <br />63 <br />65 <br /> <br />. <br /> <br />67 <br />67 <br /> <br />. <br /> <br />70 <br />70 <br /> <br />. <br /> <br />70 <br />71 <br /> <br />. <br /> <br />. <br />