Civil Engineering (The Magazine of the American Society of Civil Engineers)
March 2009 Vol. 79, No. 3
Contents
Features
46 Under One Green Roof
By Robert L. Reid
58 Tight-Fit Tunneling
By Keith A. Wargo, P. E., Paul A. Roy，P. E., M. ASCE，Marco D. Boscardin，Ph. D., P. E. F. ASCE，Andy J. Miller，and Kevin DiRocco，P. E., M. ASCE
66 A Bridge in Flight
By Frederic S. Berger, P. E. M. ASCE，Tanja Wilcox，L. A., and Lee Ahlstrom，P. E., M. ASCE
72 Rebuilt to Last
By Paul A. Harren, A. M. ASCE, and John L. Watts, P. E., M. ASCE
Departments
8 Letters
10 Polity Briefing
14 Civil Engineering News
Collapsible Venue
Stronger Dam
Grand-Scale Filtration
Seattle Substitution
Above the Fray
Timber Diagrid
“Can of Ham”
Moscow Metroplis
Leed Upgrades
38 News Briefs
40 Technology
42 History Lesson
45 Editor’s Note
78 Books
92 The Law
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