Seepage and Transport through Anaerobic Lagoon Liners
In this chapter, the seepage and transport characteristics of lagoon liners are addressed using the soils and hydrogeology of southwest Kansas as examples....

Clogging of Animal Waste: An Overview
This chapter examines research addressing the mechanisms that play a role in the clogging of lagoon liners by animal waste....

Evaluating Seepage Losses and Liner Performance at Animal Waste Lagoons using Water Balance Methods
This chapter discusses techniques for evaluating seepage losses from existing animal waste lagoons under field conditions....

Use of Coal Combustion By-Products as Low-Permeability Liners for Manure Storage Facilities
This chapter presents an overview of the use of compacted flue gas desulfurization (FGD) material as a low-permeability liner. It discusses the engineering characteristics of FGD materials...

Air Quality Issues Associated with Livestock Production
This chapter reviews the current state of the art on air quality issues associated with animal waste containment. Outdoor waste storage and treatment systems are emphasized. Air quality...

Fundamentals of Seismic Isolation
This chapter examines fundamentals of seismic isolation, including its principles, history, and examples of seismically-isolated structures....

Design of Isolated Structures
This chapter examines the design of isolated structures. Topics include governing design codes; design of isolated buildings; design of isolated bridges and viaducts; and issues related...

Analysis
This chapter presents a brief overview of the current analytical modeling techniques for isolated structures. Perhaps the biggest challenge in the design of an isolated structure is incorporating...

Testing
This chapter examines the testing of isolators. Topics include procedures for testing isolators; practical limitations on testing; shake table testing; and long term performance....

Calendar: Bridges 2005
Featured bridges are: Leonard P. Zakim Bunker Hill Bridge (NY); Ha.penny Bridge (Ireland); Monkey Bridge (Singapore); Bixby Creek Bridge (CA); Clifton Suspension Bridge (UK); London's...

Light of L.A.
A tour de force of architecture and structural engineering, the new Roman Catholic cathedral erected in Los Angeles stands as a powerful spiritual and cultural beacon....

Saving the Bay
By reducing the level of nutrients in their discharges, wastewater treatment plants within the Chesapeak Bay's vast watershed are putting much less environmental pressure...

The Case for Cleaning
When sanitary sewer systems overflow during heavy rainstorms, the crisis is often attributed to the sheer volume of water inundating the system. In many cases, however, the lines would...

Rebuilding the Winter Garden
The terrorist attacks of September 11 partially destroyed the Winter Garden, a majestic public apace that connected the World Trade Center to the Hudson River waterfront on the perimeter...

Reconstructed With Precision
Rehabilitating a heavily traveled crossing while traffic continues to flow is a complicated endeavor. Add the attention to detail required to preserve the character of a historic 1920's...

Kudos!

The Debate on 465 Continues

We are Listening: A Progress Report On Policy Statement 465

Congress to Tackle TEA-21 Reauthorization

Structures: New Hotel Flares on Manhattan Skyline

 

 

 

 

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