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Full-Text Articles in Physical Sciences and Mathematics

Creep And Creep-Recovery Models For Wood Under High Stress Levels, Zhiyong Cai, Kenneth J. Fridley, Michael O. Hunt, David V. Rosowsky Jul 2002

Creep And Creep-Recovery Models For Wood Under High Stress Levels, Zhiyong Cai, Kenneth J. Fridley, Michael O. Hunt, David V. Rosowsky

Civil and Environmental Engineering and Construction Faculty Research

Forty small clear southern pine specimens were loaded under third-point bending to examine creep and creep-recovery behavior for wood under high stress levels. Stress levels of between 69% and 91% of the predicted static strength were applied for 23 h with 1 h allowed for recovery, and the resulting deflection vs. time behavior was studied. The experimental creep and creep-recovery behavior was modeled using modified power law functions. The results indicate that these functions provide the best fit to both primary and secondary experimental data. The empirical models can be used to simulate the viscoelastic behavior of wood under high …


An Economic Analysis Of The Arsenic Standard On Nevada, Jill S. Dale Apr 2002

An Economic Analysis Of The Arsenic Standard On Nevada, Jill S. Dale

UNLV Theses, Dissertations, Professional Papers, and Capstones

In 2001, the arsenic standard for drinking water was lowered from 50 parts per billion to 10 parts per billion. The clean-up costs for Nevada are estimated at approximately 400 million dollars. The purpose of this project is to examine the economic impacts the State of Nevada will absorb as a result of the new regulation. Research of historical data will be the basis for the project. National data from the U.S. Environmental Protection Agency and data collected from the State of Nevada will be accompanied by comparable research data found through other sources


Inside Unlv, Diane Russell, Betty Blodgett, Richard Jensen, Cate Weeks Feb 2002

Inside Unlv, Diane Russell, Betty Blodgett, Richard Jensen, Cate Weeks

Inside UNLV

No abstract provided.