Formal Specification of AEC Product Models
This paper illustrates the use of equational specifications in developing product data models. This approach enables a precise and abstract description of products, where both syntactic...
Knowledge Issues in Modeling
This paper aims at stressing the importance of the goal of modeling in identifying the underlying bodies of knowledge. It briefly describes the progression in complexity of modeling and...
Issues and Experiences in Developing Shared Object Models
Effective communication of data among work processes is key to the successful operation of an Architecture, Engineering, Construction (AEC) project. However, communicating this data is...
Multimedia Technologies for Civil and Construction Engineering Professional Practice
Multimedia can be classified as any experience or application that uses two or more media to convey a message or achieve a given purpose. Some of the main types of possible applications...
Development of an Expert System for Daily Drought Monitoring
A daily drought monitoring system was developed using the Clips Expert System software package. It consists of four components: (1) The knowledge base that contains rules in the form of...
The Application of Artificial Neural Networks to Civil Engineering
Recently, there has been much interest in the application of artificial neural networks (ANNs) to civil engineering problems. Most applications, however, have been limited to the use of...
Bridge Rating Using Influence Surface for Curved Bridge Structures
A fairly sizeable number of curved steel bridges in Louisiana need to be rated and influence lines required to be stored. A methodology is developed and rating procedures are established....
Calibration of a Highway Traffic Assignment Model for the Manhattan Central Business District
This paper describes the application of a traffic assignment model, specifically the TRANPLAN model, in New York City together with the methodologies and the satellite programs that were...
A Decision Support System for the Expansion of International Operations of A/E/C Firms
The changing trend of the construction industry will require A/E/C firms to consider expanding operations in the international construction market arena. This paper presents a conceptual...
Overlaying Digital Images with 3-D CAD to Document as Built Construction
A persistent problem in construction has been documenting changes which occur in the field and preparing as-built drawings. The accuracy and completeness of field measurements is often...
Deductive Databases in Engineering
Many engineering systems can be modeled in terms of objects and relationships among objects. As generalized relational databases, deductive databases provide a suitable tool for representing...
SCADA System Controls Combined Sewer Overflow Regulation System to Optimize Wastewater Collection
The Metropolitan St. Louis Sewer District's Overflow Regulation System (ORS) project uses computer control of a wastewater collection system for the purpose of combined sewage overflow...
Sewers and Computers
The following is a description of a project performed to reduce excessive infiltration and inflow in a municipal sanitary sewer system and to provide the municipality with a computerized...
Hybrid Finite Element/Discrete Element Model for Large Deformation Geotechnical Engineering Problems
New hybrid finite element/discrete element computational code was developed for large deformation geotechnical engineering problems with granular materials. The code uses the finite element...
Machine Learning in Civil Engineering ? Important Issues and Challenges
In recent years, machine learning techniques have been applied to help overcome the knowledge acquisition bottleneck of knowledge-based systems in civil engineering. This paper identifies...
Towards Practical Machine Learning Techniques
Most research on the application of machine learning to engineering problems have solved artificial problems. While research claimed to have reached results that would improve practice,...
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...
Performance of New York's Long-span Bridges
This paper is a work-in-progress report on a database on the performance of long-span bridges located in New York State and built between 1801 and 1993. Of the 68 long-span bridges - bridges...
Circulation and Flushing in Casco Bay, Maine
A modified 3-D hydrodynamic numerical model MECCA (Model for Estuarine and Coastal Circulation Assessment; Hess, 1989) has been applied to Casco Bay, Maine, with a horizontal resolution...
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