Microcomputer Software for Storm Drain Hydraulic Gradeline Computation

Report No: 88-R4

Published in 1987

About the report:

A microcomputer software module was developed for the computation of hydraulic gradeline in storm sewer systems. The computer module has been attached to the program '"HYDRA", which is being adopted by the FHWA organized Pooled Fund Study on Integrated Drainage System as the program for storm drain design and analysis. The module-developed in this study, called HYGRD, would allow a user to check design adequacy and also to analyze the performance of a sewer system under assumed in flow conditioning.

Disclaimer Statement:The contents of this report reflect the views of the author(s), who is responsible for the facts and the accuracy of the data presented herein. The contents do not necessarily reflect the official views or policies of the Virginia Department of Transportation, the Commonwealth Transportation Board, or the Federal Highway Administration. This report does not constitute a standard, specification, or regulation. Any inclusion of manufacturer names, trade names, or trademarks is for identification purposes only and is not to be considered an endorsement.


Other Authors

Shaw L. Yu, James Y. Li

Last updated: December 29, 2023

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