ENR February 20, 2012 | ENR: Engineering News Record | McGraw-Hill Construction

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ENR February 20, 2012

ENR February 20

Tensioning Eases Stress on a 13-Story Sustainability Showcase
By Nadine M. Post
A resilient concrete structure, with post-tensioned core walls, helped save a budget-challenged building project in seismic San Francisco.

U.S. Post-Tensioned Seismic Systems Not Yet Tested by Quake

Cover image: ENR Art Department

Headlines

Feds Approve New Nuclear Powerplant Units in Georgia
Civilian BRAC Bill to Dispose of Excess Federal Assets Faces Challenges in Senate
Lawmakers Seek To Revive Keystone Pipeline Project
Obama Budget Proposes Many Construction Cuts
Green Energy Growth at Risk if Production Credit Expires
Extradosed Crossing Rises in New Haven
Procuring N.Y.'s $5-Billion Tappan Zee Bridge Will Be 'Really Tight'
Heading Off Runaway Costs of E-Mails in Lawsuits
Major Expansion In Alberta Fields
After Audit, Chastised Port Authority Vows Renewed Focus On Reform
Flooding in the Dakota Oil Patch Prompts $1-Billion Rebuild
First Landscape Pilot Projects Certified Under SITES Program
Apps Surge as Developers Create New Ones, Re-engineer Favorites for Mobile Devices

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