A Conceptual Basis for Developing Model State Water Codes
The crafting of model state water codes must proceed out of the recognition that there are two prevailing philosophies under which resources are allocated. These contrasting systems both...

Automatic Control of a Sewage Interceptor
This paper presents a control system for the automatic operation of a sewage intercepter with control gates to reduce sewage discharge to the receiving waters. One of the issues of the...

Design Program for Gravity Sanitary Sewers
The Gravity Sewer Design Program Version 2.1 M (GSDP2M) performs the hydraulic design for a conventional gravity sanitary sewer network. GSDP2M is written in standard Fortran 77 for batch...

Drainage Design Criteria: Too Restricted? Too Broad? Too Outdated?
Should drainage design policies be more flexible, leaving the field more open to engineering judgment? Are some policies too loose or broad? Should design criteria more closely reflect...

An Expert System for the Planning and Design of Flood Control Channels
The planning and design of flood control channels often calls for the evaluation of a unique set of physical conditions which do not lend themselves to standard designs. Consequently,...

Challenges in Planning and Design of Drainage Facilities for the Orange County Toll Roads
The Orange County Toll Roads project is a program which includes three modern, high-capacity, limited access highways; the Foothill, San Joaquin Hills and Eastern Transportation Corridors....

Urban Drainage Design Potpourri: Avoiding Pitfalls
In the process of mastering various methods or programs used to estimate storm runoff and flow rates, fundamental principles can be overlooked or even misunderstood. Discussed herein are...

Summary of the National ASCE Task Committee on Costs-Benefits of Various Design Frequencies for Urban Drainage Systems and Flood Control
The National ASCE Task Committee on: 'COSTS-BENEFITS OF VARIOUS DESIGN FREQUENCIES FOR URBAN DRAINAGE SYSTEMS AND FLOOD CONTROL' recommends that public officials...

Applying Benefits-to-Costs Analysis for Stormwater Improvement Projects
Benefit-to-cost analyses provide a measure of evaluation for the justification, selection, and prioritization of stormwater improvement projects. Facing increased competition for tax dollars...

Emerging Markets for System Engineering
System engineering provides a double edged sword for those involved in water resources development and management. The tools used in the analysis and development of complex water resource...

Diagnostic Options for Pipeline Rehabilitation
The various diagnostic options utilized for solving pipeline problems/failures continue to increase at a very rapid pace. Field reconnaisance and/or man-entry of pipelines is becoming...

The Danby Pipe Renovation System
This paper describes a pipe renovation system and its structural characteristics which is cost effective and technically suitable in all sizes of pipe from 8 inches (200 mm) to the largest...

Reliability Consideration in Capital Improvement Programs
This paper shows an application of network reliability modeling in water supply capital improvement programs. The proposed approach consists of combining geometrical and structural properties...

Methods for Designing Hydraulic Aquifer Remediation Techniques
This paper reports on recent research to develop methods for accommodating uncertainty in designing hydraulic remediation systems for contaminated aquifers. The methods rely respectively...

Adaptive Control of Groundwater Hydraulics
Adaptive control has been extensively applied in industrial settings for the control of unknowns systems, systems with uncertainty in the parameters. The approach is recursive, the response...

The Use of GIS in the Study of Water Resources
GIS is becoming an increasingly important tool to the water resource plannar and manager. However, in order to integrate GIS effectively into this field, current and future hydrologists...

A Control Method for On-Demand Operation of Open-Channel Flow
This paper proposes a control system for the automatic operation of an open channel having upstream and downstream gates. The main issue is the use of a discrete-time algorithm which computes,...

A Comprehensive Algorithm for Network Calibration
An explicit calibration algorithm is proposed which provides the direct and rapid adjustment of the pipe roughness coefficients and junction node demands that exactly meet a specified...

A Substructuring Algorithm for Analysis and Optimization of Large Structures on Parallel Machines
An efficient substructuring algorithm is presented for analysis and optimization of frame structures on parallel machines. The underlying concept is to pre-process the input data in such...

A Neural Network Environment for Intelligent CAD
A framework is presented for development of an environment for creating intelligent systems for computer-aided design of structures by integrating neural network models of learning and...

 

 

 

 

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