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The Highways Agency

The Highways Agency was right in taking its controversial decision to ban post-tensioned concrete bridges in 1992, according to the latest issue (vol 152 no 1) of the ICE Structures and Buildings journal. The ban followed several high profile failures caused by brittle fracture and corrosion of tendons, defective grouting, and cracking and deflection of cantilever bridge decks. Summaries of all papers can be read at www.structuresandbuildings. com.

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