Tailings Impoundment Closure: It's All in the Eye of the Beholder
Since the early 1900s, the mining and power-generation industries have disposed of tailings and other waste products using impoundments. The term "tailings" typically refers to the fine-grained waste product...

New Home for the Maid: Rockfalls, Talus, and the Race for a Dry Dock
The Maid of the Mist Corporation (MOTMC) has operated the iconic Maid of the Mist boats beneath Niagara Falls since the early 1900s. Traditionally, the company has provided trips from...

Measurement of Hydraulic Conductivity of Partially Saturated Soils
Increased interest in protection of the environment has led to a need to be able to predict long-term movement of moisture, and contaminants, in the vicinity of shallow land disposal sites...

Equipment
This chapter examines the types and sizes of equipment required to drill grout holes, proportion and mix grout materials, and deliver and inject grout into the holes in an underground...

Maximum Weighted Log-Likelihood Estimation for Parameterization Selection Uncertainty
Hydraulic conductivity identification remains a challenging inverse problem in groundwater modeling because of inherent non-uniqueness and lack of flexibility in parameterization methods....

Back on Track
Minneapolis, which last heard the clangor of electric streetcars in 1954, is proving once again that history repeats itself. The streetcars are back - in the form of a swift, modern light-rail...

San Simeon Earthquake of December 22, 2003 and Denali, Alaska, Earthquake of November 3, 2002
Prepared by the Earthquake Investigations Committee of the Technical Council of Lifeline Earthquake Engineering of ASCE. This TCLEE Monograph provides...

Panel Discussion: Synthesis - What Does It All Mean?
This final panel and group discussion revisted topics from all of the week's sessions. It was acknowledged that the conference has addressed the threat of terrorism to diverse systems...

Impact of Chemically-Induced Clay Transport and Deposition on the Hydraulic Conductivity of a Natural Sand
The purpose of this paper is to understand in part the dynamic impact of surfactants on hydraulic conductivity for designing enhanced pump and treat operations. This paper has two aims:...

Damage Report from Seattle
The epicenter of the magnitude 6.8 earthquake that struck the Puget Sound region of Washington on February 28, 2001, was located 11 mi (18 km) northeast of Olympia and about 36 mi (58...

Megaproject Management
By the dredging and landfill project manager for the Port of Los Angeles and Alan E. Alcorn, P.E., an associate vice president of Moffat and Nichol Engineers in Los Angeles. The Pier 400...

Raising the Bar of BART
Although it was originally designed to withstand a strong earthquake, and did so admirably in 1989, the Bay Area Transit (BART) system was recently evaluated to determine its ability to...

Assessing Foundation Damage in Karst Using Electrical Resistivity Tests

Piece by Piece
The Lions' Gate Suspension Bridge, a landmark structure in Vancouver, British Columbia, marks the entrance to one of the busiest harbors on the west coast of North America....

Gujarat (Kutch) India M7.7 earthquake of January 26, 2001 and Napa M5.2 earthquake of Sept. 3, 2000
Prepared by the Earthquake Investigation Committee of the Technical Council on Lifeline Earthquake Engineering of ASCE. This TCLEE Monograph describes...

Toronto's Tunnel Solution (Available in the Geoenvironmental Special Section only)
The Toronto Transit Commission (TTC), one of the largest public transportation systems in North America, carries more than 1,000,000 commuters a day. The TTC's tunnels had...

The Rationale for Above-Surface Facilities
The redevelopment of the U.S. Amundsen-Scott South Pole Station—currently in the beginning phases of construction—will include the largest and most ambitious example of an elevated station...

IZMIT (Kocaeli), Turkey, Earthquake of August 17, 1999, including Duzce Earthquake of November 12, 1999
Lifeline Performance
Prepared by the Earthquake Investigation Committee of the Technical Council of Lifeline Earthquake Engineering of ASCE. On August 17, 1999, the Izmit...

Chi-Chi, Taiwan, Earthquake of September 21, 1999
Lifeline Performance
Prepared by the Technical Council on Lifeline Earthquake Engineering of ASCE. On September 21, 1999, central Taiwan was struck by a devastating earthquake...

Electrical Substation Structure Design Guide: A Panel Presentation

 

 

 

 

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