Demand/Supply Relationship in Transportation Network Design Problems: A Genetic Algorithm Approach
The cumulative genetic algorithm (CGA) has its significant advantages over the heuristic algorithms in dealing with transportation network design problems. Using CGA, the entire solution...
SELECTCRANE: An Expert System for Optimum Crane Selection
Every major project undertaken today requires the services of a crane(s) to ensure that all materials and equipment hoisting and placement are performed in the most efficient manner. The...
How do Integration and Data Models Add Value to a Project?
Integration has been at the forefront of research agendas of universities and restructuring efforts of companies in the past few years. However, we are still lacking a common understanding...
Characteristics of the US Highway Bridge Population
Characteristics of US highway bridges are summarized, and conditions of national, regional, and state bridges are analyzed with respect to structural deficiency. The overall patterns in...
Flexible Extracation of Practical Knowledge from Bridge Databases
Bridge databases contain significant information that can assist in future bridge management decisions. The effective utilization of this information requires facilities for the flexible...
Empirical Performance Comparison for Symbolic and Subsymbolic Learning Systems
The paper gives a description of a comparative study of two learning systems based on symbolic and subsymbolic learning. The two systems' performance was analyzed using the overall empirical...
Seismic Evaluation of the Macy Street Bridge, Los Angeles, California, Using 3-D Nonlinear Pushover Methodologies
Nonlinearity of the overall bridge response has begun to be incorporated in the design process through a method known as nonlinear static pushover analysis, and this step is now being...
Nonlinear Analysis and Experimental Validation of a Stiffening Truss Chord of the Golden Gate Bridge
Finite element analyses of a stiffening truss chord of the Golden Gate Bridge were conducted by the authors as part of a comprehensive seismic retrofit project conducted by T. Y. Lin International...
GIS Modeling of Neo-Traditional Neighborhood Development
Emerging strategies for land use development suggest that neo-traditional neighborhoods promote increased accessibility with reduced traffic congestion compared to current suburban developments....
Time-Space Tradeoff Strategies for Space-Schedule Construction
Space availability on a construction site can have a major impact on the efficiency and constructability of a project. Especially when space is limited, tradeoffs between activity sequencing,...
Estimating Sediment Relative Density Using an Impact Core Sampler and Wave Equation-based Pile Analysis
This paper presents a case history in which soil sample drive resistance was modeled with a wave equation-based pile analysis computer program to estimate in situ sediment relative densities...
Computerized Building Settlement Analyses for a Contaminated Groundwater Remediation Project
The use of spreadsheets is becoming ever more popular in the practice of civil engineering. Engineers are able to use this tool to meet deadlines which were once insurmountable. This paper...
An Object-Oriented Approach to PC Finite-Element Solutions
A methodology for developing a finite-element program with a variety of applications within civil engineering is presented. Application include simple structural analysis, groundwater...
Use of Database in Geo-environmental Engineering
Geo-environmental projects are becoming increasingly complex requiring rigorous mathematical computation and analysis of large amounts of data. This paper looks into how a geo-environmental...
Development of a Knowledge-Based System for Sanitary Landfill Design
The Landfill Design Advisor (LDA) is a knowledge-based system designed for use in the preliminary design of sanitary landfills. This paper presents the methodology and techniques that...
Application of OOP and GUI to the Development of Educational Software in Structural Mechanics
A pilot project on the development of educational software in structural mechanics is reported herein. A computer program for the demonstration of shear, moment, and deflection diagrams...
A Flexible Structural Analysis Method for Computer-Aided Preliminary Design
This paper presents a new method for supporting structural analysis during preliminary design stage that is based on Gere's idea of 'moment distribution'. The extension is that in this...
A Simplified Method of Multistory-frame Analysis Including the P-? Effect
A simplified method of non-iterative analysis of rigid multistory-frames having vertical columns with different heights within the same story is developed by means of a modification to...
Toward Integrated Models for Structural Design
The paper presents research toward integrated product and process models for structural design in which and each entity in the product model describes information used by activities in...
Integrated Automation Systems in Structural Engineering
This paper presents the current integrated automation systems available in the industry for structural engineering application. An integrated automation application essentially consists...
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