Strong-Motion Data Processing
Processing of strong-motion earthquake accelerograms is now carried out routinely on a world-wide basis. Two international workshops have given participants the opportunity to assess their...

Navigation of an Autonomous Robot Vehicle
The U.S. Air Force has developed an autonomous excavator capable of performing a variety of tasks at various Department of Defense facilities. Common to all the tasks is the need for autonomous...

Navigation of Autonomous Mobile Robots
An integrated navigational system for autonomous mobile robots features a primary navigator, such as an inertial navigation or a dead-reckoning system, and a secondary navigator. The secondary...

Autonomous Navigation for Structured Exterior Environments
The Telemanaged Mobile Security Station (TMSS) was developed at Sandia National Laboratories to investigate the role of mobile robotics in exterior perimeter security systems. A major...

Inertially Favorable Trajectories for Robot Motion in Space
Robot manipulators generally display non-linear coupled dynamic forces which increase with speed. Efficiencies can be achieved by finding trajectories which take advantage of those inertial...

URSULA: Design of an Underwater Robot for Nuclear Reactor Vessel Inspection
This paper describes the development of an underwater robotic system that will be used to perform ultrasonic inspections of nuclear reactor vessel weldments. The development effort consists...

A Real-Time Control Network for Robotic Mining
The application of computers and computer networks to coal mining machines is one approach the U.S. Bureau of mines is pursuing to enhance safety for the coal miner while at the same time...

The Levitation of Lunar Dust Via Electrostatic Forces
Apollo and Surveyor photographs revealed an unexpected lunar phenomenon that has come to be known as the 'horizon glow'. During lunar sunrise and sunset, a line of light was visible above...

Fires Deemed to Have Tested Structural Performance
This paper provides an overview and progress report of a survey and study of fire incidents deemed to have tested the structural performance of large buildings. This ongoing effort was...

When are Loads Taught? A Case Study and National Trends.
Several years ago, structures faculty of the Department of Civil and Architectural Engineering at the University of Wyoming revised their structures courses to meet several new educational...

Explorations in Geodesic Forms
Geodesic forms constitute an important family of structural systems. The objective of the paper is to show how the concepts of a mathematical tool called formex algebra and its programming...

Hyper-Geodesic Structures: Excerpts from a Visual Catalog
A class of hyper-geodesic surface structures is presented. The surfaces of known polygons, polyhedra, plane and space tessellations, higher dimensional polytopes can be subdivided into...

ASCE Salary Survey 1993
The 22nd biennial ASCE salary survey of the engineering profession conducted by the ASCE Committee on Employment Conditions during the first half of 1993 is presented. It consists of an...

Data on Salary and Benefits for Civil Engineers Can be Found in Results of ASCE's Latest Survey

The Effects of Spatial Resolution in Modeling the North Fork Drainage of the Gunnison River Basin
The U.S. Geological Survey Precipitation-Runoff Modeling System (PRMS) is a modular, distributed-parameter, watershed modeling system developed for use in evaluating the effects of climate...

Willingness and Ability to Pay for Rural Water
Estimates of willingness to pay for rural water systems were developed in South Dakota, Oklahoma, and Montana from responses to contingent valuation surveys. Ability to pay was also estimated...

A Survey of Stormwater Infiltration Basins in the Puget Sound Region
A survey of 23 infiltration basins in the Puget Sound area was conducted to gain information on the performance of these systems and the degree of compliance with state agency guidelines....

Survey of Stormwater Detention State of Practice
A survey of stormwater professionals in the United States and Canada was conducted by the Urban Drainage and Flood Control District in 1991 regarding the current state of practice in the...

A Characterization Study of Fractured Rock

Application of the FESWMS-2DH Software to Solve the Navigation Problem at EL-Menya Bridge in Egypt
The purpose of this paper is to introduce the application of a two-dimensional Finite Element Surface Water Modelling System on a navigation problem located along the Nile river in front...

 

 

 

 

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