HDS-5 Inlet Control Equations

INLET CONTROL EQUATIONS A.1 INTRODUCTION This appendix contains the inlet control equations used to develop the design charts of this publication (HDS-5). Section A.2 contains the equations for the unsubmerged and submerged inlet control equations. Section A.3 demonstrates how the Section A.2 equations are used to create dimensionless design curves for culvert shapes with coefficients […]

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HY-8 Polynomial Coefficients

HY-8: POLYNOMIAL COEFFICIENTS Table 1. Polynomial Coefficients – Circular HY-8 Equation Inlet Configuration KE SR A BS C DIP EE F 1 Thin Edge Projecting 0.9 0.5 0.187321 0.56771 -0.156544 0.0447052 -0.00343602 8.96610E-05 2 Mitered to Conform to Slope 0.7 -0.7 0.107137 0.757789 -0.361462 0.1233932 -0.01606422 0.00076739 3 Square Edge with Headwall (Steel/Aluminum/Corrugated PE) 0.5 […]

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HDS-5 Design of Highway Culverts, 3rd Ed

Author(s): Schall JD, Thompson PL, Zerges SM, Kilgore RT Publisher: FHWA Year: 2012 Links: PDF, HTML (1985 edition) Subjects: Culverts Hydraulic Design Series Number 5 (HDS 5) originally merged culvert design information contained in Hydraulic Engineering Circulars (HEC) 5, 10, and 13 with other related hydrologic, storage routing and special culvert design information. This third […]

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