Rock Steady
Heavily damaged during the Loma Prieta earthquake, Oakland City Hall had to be repaired and retrofitted. Now Oakland boasts the tallest seismically isolated building in the world. The...
New York Gets Wired
With users of New York City DOT's computer-aided drafting and design reaching the limits of the computer system, the department decided to turn the situation to its advantage,...
Oklahoma City Aftermath
The explosion that ripped through the Alfred P. Murrah Federal Building in Oklahoma City shortly after nine a.m. on April 19 killed 168 people, injured more than 500 and damaged more than...
Failures in Civil Engineering
Structural, Foundation and Geoenvironmental Case Studies
This special publication consists of a collection of short descriptions of failures case studies in Civil Engineering. The descriptions cover cases in structural, foundation and geoenvironmental...
Geo-Environmental Issues Facing the Americas
Contamination of soil and ground water are problems common to developed as well as developing countries; their effects on health and the deterioration of natural resources transcend national...
A Primer on Micropiles
A major study of micropile technology has recently been funded by the Federal Highway Authority and completed by the authors. The subject is defined as a drilled and grouted, cast-in-place,...
The Foundation for a New Approach to Implement Building Innovation
Prepared by the Partnership for Building Innovation project, which is sponsored by CERF; National Institute of Standards and Technology; U.S. Department of Housing and Urban Development;...
ASCE Annual Combined Index 1994
The 1994 ASCE Annual Combined Index provides a guide to materials appearing in publications of ASCE published during 1994. This includes papers and technical notes from ASCE technical...
Real-time Motion Vision for Robot Control in Unstructured Environments
The control of robots in unstructured environments demands real-time, general purpose vision. We have designed a visual tracking system which makes use of motion to pick out and track...
A Feature Based Path Planning System for Robotic Stenciling of Roadway Markings
Roadway sign stenciling is a hazardous operation exposing the roadway maintenance and construction crew to on going traffic. The current practice involves manual painting using a mechanical...
Real-Time Control for a Robotic Rebar Bender
Job conditions and variability in the properties of the stock material combine in a rebar bending operation to create a challenging environment for a robotic bender. This paper reports...
Use of GPS for Tethered Satellite Position Determination
This paper provides a description of the potential application of GPS to determine the position of a tethered satellite with respect to the Space Shuttle. Relative positioning is performed...
Nuclear Propulsion: Safety Measures and Concerns
Since nuclear fission was discovered, many potential uses for it have been found. One such application of fission is nuclear propulsion systems in space ships; however, the elements resulting...
Space Policy: Key Points of International Law
Prospects of exploring space and establishing settlements in outer space have become a worldwide challenge. Space Law and Space Policy must be established on the international as well...
Reducing the Long-Term Effects of Zero-Gravity
Maintaining the physical health of scientists has been a longstanding problem in space flight research. Several ideas have been proposed to solve this problem. These include creating artificial...
The Effect of Zero Gravity on Bones
Zero-gravity has created many problems for astronauts and researchers in space. Calcium depletion is cited as a major health problem. There are many different theories as to why zero-gravity...
Transfer Vehicle Sizing for Missions to Mars
The purpose of this study is to analyze the interactions between mission and vehicle design parameters, and determine how the selection of a particular trajectory and transit time affects...
A Space Suit for Productive and Safe Extravehicular Activity (EVA)
An innovative space suit called the Command/Control Pressure Suit (CCPS) is described in terms of productivity and safety. Conceived as a cockpit for Extravehicular Activity (EVA), the...
Effective Project Planning Techniques
Setting tabular and graphic standards for the presentation, storage and handling of project-related data from the start can make the job of managing, scheduling and documenting a project...
Preserve and Protect
Historic and landmark structures constructed of unreinforced masonry and stone are among the most vulnerable to strong ground shaking and are often subject to possible collapse. For the...
Return to search