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<br />CONTENTS <br /> <br />Abstract ----------------------------------------------------------------- <br />Introduction ------------------------------------------------------------- <br />Review of rip rap design technology --------------------------------------- <br />Shear stress related to permissible flow velocity ------------------- <br />Shear stress related to hydraulic radius and gradient --------------- <br />Characteristics of riprap failure ---------------------------------------- <br />Classification of failures ------------------------------------------ <br />Particle erosion ----------------------------------------------- <br />Translational slide -------------------------------------------- <br />Modified slump ------------------------------------------------- <br />Slump ---------------------------------------------------------- <br />Hydraulics associated with riprap failures of selected streams ------ <br />Pinole Creek at Pinole, California ----------------------------- <br />Sacramento River at Site E-lO near Chico, California --------~-- <br />Hoh River at Site 1 near Forks, Washington --------------------- <br />Cosumnes River at Site 3 near Dillard Road Bridge near <br />Sloughhouse, California -------------------------------------- <br />Truckee River at Sparks, Nevada -------------------------------- <br />Summary of factors contributing to riprap failures ------------------ <br />Evaluation of riprap design procedures ----------------------------------- <br />Data for comparison of design procedures ---------------------------- <br />Evaluation of Hydraulic Engineering Circular No. 11 (BEC-Il) -------- <br />Description ---------------------------------------------------- <br />Hydraulic factors ---------------------------------------------- <br />Riprap stability factors --------------------------------------- <br />Application ---------------------------------------------------- <br />Summary discussion of Circular BEC-ll -------------------------- <br />Evaluation of Hydraulic Engineering Circular No. IS (BEC-IS) -------- <br />Description ---------------------------------------------------- <br />Hydraulic factors ---------------------------------------------- <br />Channel geometry ----------------------------------------------- <br />Estimation of stone size based on depth of flow (chart 27) ----- <br />Channel bends -------------------------------------------------- <br />Application ---------------------------------------------------- <br />Summary discussion of Circular BEC-lS -------------------------- <br />Evaluation of California Department of Transportation "Bank and <br />Shore Protection" manual ------------------------------------------ <br />Description ---------------------------------------------------- <br />Application ---------------------------------------------------- <br />Evaluation of U.S. Army Corps of Engineers, Bulletin EM-160l -------- <br />Description ---------------------------------------------------- <br />Application ---------------------------------------------------- <br />Evaluation of "Sedimentation Engineering)1I American Society of <br />Civil Engineers (Manual No, 54) ----------------------------------- <br />Description ---------------------------------------------------- <br />Application ---------------------------------------------------- <br />Evaluation of "Sediment Transport Technology" (Simons and Senturk) -- <br />Description ---------------------------------------------------- <br />Application ---------------------------------------------------- <br /> <br />III <br /> <br />Page <br />1 <br />2 <br />4 <br />5 <br />7 <br />9 <br />10 <br />10 <br />15 <br />16 <br />18 <br />19 <br />21 <br />21 <br />22 <br /> <br />24 <br />24 <br />28 <br />28 <br />31 <br />34 <br />34 <br />36 <br />37 <br />38 <br />41 <br />42 <br />43 <br />46 <br />47 <br />47 <br />49 <br />50 <br />50 <br /> <br />57 <br />57 <br />61 <br />62 <br />62 <br />68 <br /> <br />70 <br />70 <br />71 <br />72 <br />72 <br />74 <br />