WebInformation concerning the design of rock chutes is very limited, so research was conducted to develop reliable design criteria. Data were collected relating the highest … WebStable rock sizes and flow depths for rock- lined channels having gradients between 2 percent and 40 percent may be determined using the following detailed design process. This design process is from Design of Rock Chutes by Robinson, Rice, and Kadavy. For channel slopes between 2% and 10%: D50 = [q (S)1.5/4.75(10)-3]0.53
Conservation Practice Standard Lined Waterway or Outlet …
WebRock Chute Design This Excel spreadsheet is included as a tool to design rock chutes for conservation practices. Median size for rock is determined along with the chute hydraulics and dimensions. This spreadsheet is based on "Design of Rock Chutes" by Robinson, Rice, and Kadavy, ASAE Vol. 41 (3), pp. 621-626, 1998. WebK. M. Robinson, C. E. Rice, K. C. Kadavy ABSTRACT. Rock chute design information is consolidated from several sources to provide a comprehensive design tool. The rock … phone highest resolution
NATURAL RESOURCES CONSERVATION SERVICE …
WebDesign slope, S= in min. max. Rock dia., inches Rock weight, lb Required riprap gradation for D50 selected Smaller Rock Gs = by varying B17) Freeboard= D50 used= Basic D50= Min. req'd D50= Waterway drop= Riprap thickness: Minimum= Provided= Sideslope height: Sample Landowner WW length along slope= U/S WW F.L. elev= D/S WW F.L. elev= … WebMar 26, 2011 · be designed using the procedure in Design of Rock Chutes by Robinson, Rice, and Kadavy. Stable angular rock sizes and flow depths are determined using the following equations from the design procedure: 1.89 1 1.5 50 0.00475 ( ) q S D 1. 89 1 0 58 50 0.0393 ( ) q S D 0.6 1.486 S n q z where: D50 = Rock size for which 50% of the … Webwww.fs.usda.gov phone hertz