Civil engineers for a better world
Author(s): Philip L. Thompson and Roger T. Kilgore Publisher: FHWA Year: 2006 Links: PDF Subjects: energy dissipator, culvert, channel, erosion, outlet velocity, hydraulic jump, internal dissipator, stilling basin, impact basin, riprap basin, riprap apron, drop structure, stilling well The purpose of this circular is to provide design information for analyzing and mitigating energy dissipation problems […]
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Author(s): Kilgore RT, Cotton GK Publisher: FHWA Year: 2005 Links: PDF Subjects: channel lining, channel stabilization, tractive force, resistance, permissible shear stress, vegetation, riprap, manufactured linings, RECP, gabions Flexible linings provide a means of stabilizing roadside channels. Flexible linings are able to conform to changes in channel shape while maintaining overall lining integrity. Long-term flexible […]
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13,167 total views, 2 views today
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6,631 total views, 1 views today
Source: HEC-15 Author: RT Kilgore and K Cotton (FHWA) CHAPTER 6: RIPRAP, COBBLE, AND GRAVEL LINING DESIGN Riprap, cobble, and gravel linings are considered permanent flexible linings. They may be described as a non-cohesive layer of stone or rock with a characteristic size, which for the purposes of this manual is the D50. The applicable […]
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Source: Caltran Highway Design Manual, Chapter 870 These supersede the previous Caltrans Riprap Sizes. Caltrans requires the use of these new RSP gradations starting August 1st, 2016 in new projects and those not yet at 30 percent PS&E stage. Caltrans Highway Design Manual Table 873.3A RSP Class by Median Particle Size(3) Nominal RSP Class by […]
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