Resumen

MORALES NAVA, José Gustavo  y  PARRA MEZA, Alberto. Improvements to the usual method for hydraulic design of sewers. RIHA [online]. 2013, vol.34, n.1, pp.3-18. ISSN 1680-0338.

Mathematical formulas are obtained to computerize the calculation of effective velocity and depth in the hydraulic analysis of sewers with circular cross section for drainage systems. Tables and graphics of traditional methodology are analyzed, which after some treatment, derive into equations proposed here. The formulas were obtained using mathematical methods of curve fitting and for their validation the results achieved with the usual methodology were compared to those computed by the proposed equations and found to be totally reliable. The equations are of great value when integrated into a computer program, allowing automatic design without handbook consulting to establish accurate values to the variables involved.

Palabras clave : sewer hydraulic analysis; sewer quick design; mathematical formulas; effective depth; effective velocity.

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