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Response Triscpectrum for a Yielding Structure
Simulation is used to obtain information about non-Gaussian aspects of the absolute response acceleration of a bilinear hysteretic oscillator with an excitation which is Gaussian white...

Methodology for Developing an Engineering Solution for Web Crippling
This paper describes the methodology used to develop an engineering solution for web crippling of aluminum trapezoidal sections. The development has two steps. The functional form for...

Acoustic Emission Source Locations in Concrete
The location of acoustic emission (AE) sources can potentially provide information on the fracture process zone in brittle materials such as concrete. Typical AE experiments generate very...

Hazardous Materials Data: A Federal Perspective
This paper discusses the evolution and current status of the Hazardous Materials Incident Report System (HMIRS) maintained by the Research and Special Programs Administration (RSPA) of...

Developing a HazMat Incident Evaluation Program
This paper describes the Illinois Hazardous Materials Incident Evaluation Program. The history, development strategies, implementation, forms for reporting, screening and data input, and...

Are We Ready to Face the Geotechnical Challenges of the 21st Century?
The geotechnical engineering profession faces a bright future as many of the issues of interest to society today relate in some form to knowledge of earth sciences. Hazardous waste, environmental...

Hypermedia and its Application to Geotechnical Databases
The concept of hypermedia has the potential for greatly enhancing existing database management software. In the present paper the concept of hypermedia is briefly described, the nature...

Geotechnical Database Management Systems for Boston's Central Artery/Harbor Tunnel Project
This paper presents a geotechnical computer application currently in use on Boston's Central Artery/Harbor Tunnel (CA/T) Project. The application is designed to manage subsurface...

Relational Database Design and Technology
Logical and physical design of a Relational Database Management System (RDBMS) is presented with a simple geotechnical database example. Fundamental relational database design principles...

Automated Performance Monitoring of U.S. Dams
The purpose of this paper is to provide a summary of a comprehensive report prepared by USCOLD on General Guidelines and Current U.S. Practice in Automated Performance Monitoring of Dams....

Public Involvement in the Safety Monitoring of Dams, Embankments and Slopes
New methods of safety monitoring of dams, embankments and slopes require automated data acquisition, data transmission and computer based data evaluation to provide immediate safety information...

Field Instrumentation Program Vital to Deep Excavation Project
An extensive field instrumentation, monitoring and evaluation program was implemented for a seven-level deep excavation project in Boston. Using the observational approach, the information...

Pressuremeter Stress Relaxation Testing in a Permafrost Tunnel
In the spring of 1988, a geotechnical testing program was carried out in the U.S. Army CRREL Permafrost Tunnel, located at Fox, near Fairbanks, Alaska. In all, some thirty cone penetrometer...

Expert System for Driven Pile Selection
Selection of driven piles for deep foundations is a complex process. Many subjective factors enter into the decision of which pile to select, making experience an important factor in proper...

Jet Grouting?Uses for Soil Improvement
The frequency of use of any engineering technique depends mainly on the technical feasibility and economics of the system. In geotechnical engineering, the more problems a construction...

An Expert System for Civil Engineering Applications
Civil engineering is a field where experimental knowledge has no substitute. Making experts' knowledge explicit and documenting and transferring it can have a great impact...

Evaluation of Geotechnical Design Parameters by Expert System Techniques
This study refers to application of an artificial intelligence technique to evaluate geotechnical design parameters in the soil design definition. This complex evaluation is incorporeted...

Geotechnical Engineering Design in the Age of the Modern Computer
Because geotechnical engineering requires that the materials and their configuration be investigated for each new project, the profession has always placed great emphasis on judgment....

Group Effect in the Case of Downdrag
A summary of the various techniques available to calculate downdrag forces on pile groups is presented. In light of all these existing techniques, a simplified method is recommended. An...

Computer Applications in the UCB Geotechnical Laboratories
The use of personal computers has become an indivisible part of the University of California at Berkeley (UCB) geotechnical testing laboratories. The University has been on the forefront...

 

 

 

 

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