Interparticle Sliding and Rolling
Numerical experiments are done with a continuum plasticity program in order to study the initiation and evolution of shear bands. Many elements are used in order to resolve families of...
Flows of Hazardous Materials Through States by Rail
This paper presents information on the tonnages of hazardous materials passing through each of the contiguous 48 states (and the District of Columbia) by rail. The quantities are estimated...
Use of Advanced Technologies for Improving Hazmat Transportation Safety
This paper describes how advanced technologies can help improve the safety of over the road hazardous material transportation. The technologies discussed include driver information systems,...
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....
Recent Developments in Hardware and Data Processing for Telemonitoring Various Structures
Some of the latest automated centralized monitoring systems being used by civil engineers in France shall be reviewed, along with details of the benefits from this approach and some of...
Use of Bar Code Technology to Simplify Sieve Analysis Data Acquisition
A system has been developed at the U.S. Army Corps of Engineers Ohio River Division Geotechnical Engineering Laboratory using bar codes and a computer coupled balance to aid in data collection...
An Inexpensive Automatic Control System for Soil Testing
This paper describes an inexpensive automatic control system for soils testing. The system comprises a microcomputer, an analog to digital converter, a relay board, and solenoid valves....
CZMA Consistency Opinions: An Undiscovered Body of Law
The Coastal Zone Management Act allows states to block the issuance of Federal licenses and permits if the permitted activity would be inconsistent with the state's Federally...
Measurements of Nutrient and Metal Fluxes from the Sea Floor in the Area Around the Whites Point Sewage Outfall, Los Angeles, California
Studies are underway to determine the influence of sewage outfall-impacted sediment on the exchange of nutrients and trace metals in the coastal marine environment. Utilizing a benthic...
Development of Long Beach Downtown Marina
This paper describes the planning and construction of the new Alamitos Bay Marina just offshore of Long Beach's downtown shoreline. From an engineering standpoint the construction...
Hydrodynamic Behavior of Cohesive Sediments in Turbulent Flow
To meet both engineering and basic research requirements, a series of experiments on the deposition of cohesive soil were conducted in an annular rotating fiberglass channel-ring system...
Borderline Estuaries and Interstate Management Programs
Estuaries bordered by more than one state authority often suffer from contrasting and/or conflicting management practices along the shores of a continuous body of water. Management strategies...
Pollution Control Strategies of the Puget Sound Water Quality Management Plan: Puget Sound Water Quality Authority
In 1988 EPA designated Puget Sound as an estuary of national significance under section 320 of the Clean Water Act. Due to its natural beauty, favorable climate, and economic health, the...
A Four-Point Strategy for Improving Coastal Water Quality
Pollution from point- and non-point sources has altered the basic chemical and physical composition of near-shore waters. At the same time we are bombarding bays and estuaries with a steady...
The Development of a Coastal Water Quality Management Strategy in Ecuador
The quality of coastal waters is deteriorating in virtually every country of the world. Concerned groups and individuals in countries with scarce financial, technical and political resources...
Dynamic Flushing of Pocket Marinas
The expanding demand for marina space combined with just concerns for the coastal environment has developed an urgent need for methods for evaluation of the flushing characteristics of...
Experiments on Stratified Flows: A Comparison with Theory
Stratified flows caused by salt wedges in estuaries, fjord flows and power station cooling waters represent very complicated flow situations with regard to their stability and rates of...
Modeling of Salt-Water Intrusion in River Mouth Region
By considering the fresh water and salt water as different phases in a two-phase flow system, a set of equations are given for describing the salt-water intrusion as well as the mixing...
Environmental Impact on Sepetiba Beach
This paper describes the erosive and sedimentary processes which have been causing damage to the most important beach on Sepetiba Bay in Brazil. Remote sensing techniques and data obtained...
Permit Compliance Programs for Large Scale Development Projects
California Assembly Bill 3180 requires that the implementation of environmental mitigation measures be monitored for compliance during project development. Permit compliance programs for...
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