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Session 3251

A Drainage Module for Environmental Engineering

Joseph Cataldo The Cooper Union for the Advancement of Science and Art

Abstract

This study consists of a learning module for undergraduate environmental or civil engineering students. The module is separated into two. The first half of the module is structured around three illustrative examples. A state of the art computer program, “Flood Hydrograph Package” (HEC-1), developed by the US Army Corps of Engineers, is used in all of the three examples. This program is used in engineering practice to determine watershed flooding characteristics of both rural and urban sites. The use of this program is given in the first half of the module with instructions on how to prepare the input for the three illustrative examples and the output is interpreted. A listing of the program input and output is also given in the module.

In the second half of the module, a stream flooding problem is given. As in the first half of the module, illustrative examples are used as a teaching guide. The US Army Corps of Engineers’ Computer Program River Analysis System (HEC-RAS) is used to solve these flooding examples. HEC-RAS is user-friendly and computationally efficient. It uses the latest user interface technology for data entry, graphics, and display of program results. Complete help screens are available for almost every program feature and option. HEC-RAS is for steady, gradually varied flow in natural or man-made channels.

This module has been tested on groups of Civil Engineering Juniors and Seniors at Cooper Union. The seniors were taking advanced courses in hydrology and open channel flow and the juniors were taking their first course in Water Resource Engineering. These students were given the drainage module and asked to use the module to determine the flooding potential of their system.

The module was also beta tested at Florida International University and Case Western Reserve University by both engineering faculty and engineering students. The beta tests at these schools were similar to the alpha tests conducted at Cooper Union.

Introduction

The study of hydraulics and hydrology is a necessary part of civil and environmental engineering. There are a number of textbooks1 2 3 available to the undergraduate student in these areas of engineering science. But it is difficult to find an introductory text that will cover both hydraulic and hydrologic engineering in a clear and concise manner. Presently, computer modeling is widely used in the environmental and civil engineering profession. A number of these programs

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Cataldo, J. (1998, June), A Drainage Module For Environmental Engineering Paper presented at 1998 Annual Conference, Seattle, Washington. 10.18260/1-2--7058