This report includes the findings of acoustic emission (AE) tests on the Fremont tied arch bridge in Portland Oregon conducted by research engineers from the Infrastructure Technology Institute of Northwestern University on March 24th, 1997.
A remote global monitoring system is being operated on a 65 year old lift bridge in Sturgeon Bay Wisconsin. The system uses both strain gages and clinometers to continuously monitor the "health" of the fracture critical components of the bridge. Ruggedized miniaturized data loggers are locally mounted on the structure...
This technical report shows the findings of acoustic emission and strain gage monitoring tests conducted by research engineers of Infrastructure Technology Institute from Northwestern University on April 18, 1997 in Sacramento, California.
Non-destructive evaluation (NDE) techniques have been used for a number of years to provide quality control of construction procedures for drilled shafts and driven concrete piles. In particular sonic echo and impulse response methods have been used extensively to check lengths and continuity of newly-installed foundations. In recent years, the...
We all—users, businesses, governments, and the general public—expect internet platform companies, like Meta, Alphabet, and Amazon to govern their users. Without platform governance, we all experience disasters like foreign election interference, vaccine misinformation, counterfeiting, and even genocide.
Unfortunately, the platform companies have failed. To this day, despite the lessons from...
At her first press conference, Eleanor Roosevelt, uncertain of her role as hostess or leader, passed a box of candied grapefruit peel to the thirty-five women journalists. Nearly sixty years later, Hillary Clinton, an accomplished professional woman and lawyer, tried to mollify her critics by handing out her chocolate-chip cookie...
Winner, 2012 Frank Luther Mott-Kappa Tau Alpha Research Award
Women of the Washington Press argues that for nearly two centuries women journalists have persisted in their efforts to cover politics in the nation’s capital in spite of blatant prejudice and restrictive societal attitudes. They have been held back by the...
When Abigail Adams made her famous plea to John Adams to "remember the ladies," the role of advocacy on behalf of U.S. gender equality began its rocky and still uncompleted journey. In Women and the Press, Patricia Bradley examines the tensions that have arisen over the course of this journey...