The DWR Delta Graphical User Interface
Previously, most modeling development has been in the area of algorithms, with relatively little effort spent on conveying the results of models. A graphical user interface to a database...
Landfill Groundwater Monitoring Data Administration
The U.S. Environmental Protection Agency (USEPA) has promulgated regulations that require the monitoring of groundwater samples at landfill sites. The analytical data resulting from sample...
Computer Aided Analysis/Design of Overlays in Cracked Road Pavements
In this contribution CAPA, a user-friendly, PC based, finite element system, capable of analyzing and dimensioning pavement overlays is presented. Because of the generality of the finite...
Civil Engineering Computer Usage Survey
A survey of the members of the Columbia Section of the American Society of Civil Engineers (ASCE) was conducted. The purpose of the survey was to determine the computer usage of practicing...
CAD Instruction for Civil Engineering Students
Computer graphics and computer-aided drafting (CAD), as well as manual graphics and descriptive geometry, are successfully taught to civil engineering sophomores. The paper presents the...
Design and Construction Support with Object-Oriented Database Kernel Systems
The heterogeneity of tools and their data models in civil engineering is a well known problem. Next generation database technology seeks to offer solutions for the integration of the design...
An OOP Model for Scheduling of Repetitive Projects
Repetitive projects are characterized by the presence of large number of repetitive activities, along with a number of non-repetitive activities. Each of thee two types of activities requires...
Exchanging Layout and Schedule Data in a Real-Time Distributed Environment
Unpredictable site conditions and unforeseen changes in construction work may result in inefficiencies due to a shortage of work space and difficult access to critical areas on site. This...
Real-Time Position Measurement Integrated with CAD-CAE and Related Data Structure Issues
The Civil Engineering Research Foundation (CERF), Bechtel Corp. (Bechtel), Jacobus Technology, Inc (Jacobus), and Spatial Positioning Systems,Inc. (SPSi) have formed the Consortium for...
Three-Dimensional Nonlinear Analysis of a Wooden Structure with Base Subsidence
A heavy rain caused a famous Chinese ancient wooden structure to suffer serious base subsidence. In order to deal with the base subsidence of the valuable structure, a joggle model and...
Numerical Analysis of Membrane Action in Hollow Core Floors
The emphasis of the investigation is on the diaphragm action of precast floor structures. In order to improve existing manual calculation methods a parameter study has been carried out...
Plastic Limit Analysis of Arch Dams
This paper applies the lower- and the Upper- bound theorems of the plasticity theory to arch dams, according to different forms of discretization for dam, two methods, namely the structural...
Decision Methods for Selecting Earth Retaining Structures
The Bridge Branch of the Colorado Department of Transportation (CDOT) has organized the framework of a formal decision process for retaining wall selection. The process facilitates implementation...
Framework for an Automated Quality Control System in Working Drawing Production
CAD use for the planning, design, construction and operation of buildings continues to expand at a rapid pace throughout the industry. While CAD applications include a variety of uses...
NCHRP Project 12-28(2)A Bridge Management System Software
This paper describes the various features of the bridge management system being developed by NET Corporation as part of a project funded by the National Cooperative Highway Research Program...
Bridge Management System Implementation at CALTRANS
Development of a new generation of Bridge Management System (BMS) capabilities has been a high priority for CALTRANS for the past four years. Although the Department has had a bridge inventory...
Application of PC Graphics, CADD, and Solid Modeling Techniques to 3-D Structural Stability of Concrete Monolithic Structures
A computer program for computing 3-D overturning and sliding stability (3DSAD) of concrete monolithic structures has been written and is widely used. This paper describes recent advances...
On the Usage of AutoCAD as a User-Interface for a Finite-Element-Program
This paper describes the approach used by the author to take AutoCAD as a user-interface for an existing Finite-Element-package. Some principles concerning database management are discussed,...
Computer-Aided Guyed Tower Analysis for the Rehabilitation of TTI Tower, Baltimore
A large guyed television tower owned by Television Tower Inc. of Baltimore is currently being analyzed in order to evaluate the capacity of the tower to support additional broadcasting...
A Study on Aseismic Behaviours of Composite Trussed Arch Bridge
Composite trussed arch bridge is a new type bridge structure developed in China recently, It has the following features: good integrality, reasonable inner force distribution, great spanning...
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