The 3D Approach to Design
Designing directly in three dimensions, including integrated analysis and information flow, is a powerful way to enhance civil engineering capabilities. Yet, relatively few have taken...
Object-Oriented Modelling for Concrete Structures
The use of computers for the design process has reached wide acceptance. The use is developed in several fields such as CAD, CAM or programs for design of structural elements. Recent work...
Object-Oriented Data Exchange for the Integration of Design Processes in Structural Engineering
The computer integration of tasks, activities, tools, user and data exchange interfaces, management of knowledge etc. requires a new approach by object-oriented modeling in civil engineering....
CAD Applications for Material Handling in the Construction Environment
Research at Va. Tech in the area of dynamic behavior modeling and crane damping have been undertaken. The dynamic behavior modeling capability has been designed to us 3-D CAD models and...
Computer Application in Analyzing Change Order Work
In heavy construction, particularly on large tunnel projects, numerous tasks are often performed and inspected simultaneously. The project specifications and contract documents require...
The Automation of Freeway Ramp Junctions Analysis
Congestion on urban freeways has been steadily increasing. In contrast, capacity expansion, by means of constructing new roadways, has not kept pace with the growth in demand. The primary...
An Object Oriented Approach to Computing with Structural Components
The structural analysis process can be modeled in two separate steps: definition of structural systems and analysis of a discrete numerical model; the transmission between these two models...
Using Data Flow Diagrams to Study Communication Process Between Construction Project Participants
The Architecture-Engineering-Construction (AEC) industry is characterized as being highly fragmented. A large number of diverse organizations participate in the planning, design, and construction...
Computer-Aided Decision Model for Selecting a Contractual System
An owner of a construction project often faces the problem of selecting a contractual arrangement. The process of selecting a contractual system depends on the owner's preferred risk sharing...
Application of Computer Simulation in the Research of Rail Structure Vibration Reduction
The wheel/rail system is described here as a random vibration system, and the state variables are expressed with quadratic evaluation function. The passive control problem of the random...
The Optimum Parameter Selection for 4-Point Time Domain Integration Schemes
In this paper, a general method of time dimension discretization based on the idea of finite element is presented for dynamic analysis. Two kinds of recurrent formulations are derived...
GT BEAM ? An Interactive Graphic Beam Analysis Program for Education
An interactive beam analysis program called GT BEAM, that has been developed at Georgia Tech for use in undergraduate mechanics courses, is presented. The development objectives of the...
A Finite Difference Approach to the Modelling of Thick Bridge Decks
The finite difference method, although well known as an efficient numerical method, was applied in the past, in the case of slabs, only for the solution of thin slabs. In the present study,...
POE System Development Using Personal Computers
This is a report concerning personal computer utilization such as CAD and spreadsheets which are often used establish the investigation, analysis and evaluation method. These are based...
Development of an Integrated System for Structural Design of Buildings Using OODP Method
This study serves as a starting point for the development of an integrated system in the structural design domain. In this paper we describe the issues that arise in the integration throughout...
A Program Architecture for Interactive Nonlinear Dynamic Analysis of Structures
This paper discusses a general object-oriented architecture for use in nonlinear dynamic structural finite element analyses. In light of the special issues surrounding such analyses, the...
Object-Oriented Finite Element Modeling
The present paper studies the suitability of object-oriented modeling strategies for problems of structural mechanics. After a general discussion of the topic, special emphasis is put...
Object Oriented Design of Finite Element Software for Transient, Non-Linear Coupling Problems
The application of the Finite Element Method to general transient, non-linearly coupled problems calls for high conceptual clarity in software design. In order to attain extendibility...
Dynamic Analysis of Beams on a Pasternak Foundation
Since many years pavement engineers apply very simple statical models to analyze their specific problems. The development of numerical tools and easily available computer power make much...
A Generalized Three Invariants Cap Model and its Numerical Implementation to Study Soil-Foundation Interaction
This paper presents a modified cap model that is capable of characterizing cyclic stress-strain behavior of soils and describing variation of shear strength along various stress paths...
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