Civil Engineering (The Magazine of the American Society of Civil Engineers)

Contents

Features

40  A Breath of Fresh Air

    By Steve Carter, Edwin Shlemon,S. E. M. ASCE, Steve Ratchye, S. E., and Erin McConahey, P. E.

       Cooled by national ventilation from operable windows and a movable sunscreen, the slender, 18-story concrete tower that froms the centerpiece of the new San Francisco Federal Building was designed to be a model of sustainability. It is also considered one of the finest achievements of the U. S. General Services Administration’s Design Excellence Program and is expected to have a strong influence on future federal structures.

48  Tunneling for Science

       By Irwan Halim, P. E , M. ASCE, Frederick Vincent, P. E., M. ASCE, and Jonathan Taylor, P. E., M. ASCE

       The Stanford Linear Accelarator Center’s Linac Coherent Light Source will enable scientists to conduct precise, cutting-edge research thanks to a system of tunnels and caverns that have been designed in accordance with exacting criteria to ensure that the highly sensitive equipment will operate properly in a seismic zone.

56  Crossing Hangzhou Bay

       By Beile Yin, Ph. D., P. E., F. ASCE, and Zhongda Lu, Ph. D.

       Overcoming such hazards as severe weather, treacherous tides, and buried deposits of natural gas to erect a bridge across China’ Hangzhou Bay demanded both ingenuity and sheer determination. The project team relied heavily on prefabricated components to reduce the construction risks associated with operations on the open sea.

64        Anticipating Growth

By David H. Marshall, P. E., M. ASCE, Russel L. Gibson, P. E., M. ASCE, Alan C. Hutson, P. E., M. ASCE, and Elizabeth R. Blackwelder, M. ASCE

The Eagle Mountain Connection Project gives the Tarrant Regional Water District, in Fort Worth, Texas, the ability to convey raw water from two reservoirs on the eastern side of the city to Eagle Mountain Lake, on its northwestern side, via 20 mi (32 km) of pipeline, two booster pump stations, two flow controlled subaqueous outlet structure.

Departments

8　Letters

10　Polity Briefing

14　Civil Engineering News

       Bubble-topped terminal

       Treetop walkway

       Deck replacement

       Fish habitat

       Too few graduates

       Calatrava bridge in Jerusalem

       Indianapolis airport rebuilt

Variable-toll road

       News Briefs

34     Technology

36  History Lesson

39　Editor’s Note

72　Books

96　The Law