Description: Principles of prestressed concrete. Prestressing systems, end anchorage, and loss of prestress. Analysis and design of sections for flexure, shear, bond ...

Throughout the 20th century, a number of innovators experimented with fabric as a flexible membrane for the support of fluid concrete, forming structural members. Significant among the early ...

APT Bulletin: The Journal of Preservation Technology, Vol. 48, No. 1, SPECIAL ISSUE ON CONCRETE (2017), pp. 6-14 (9 pages) The Wisconsin Avenue Bridge in Georgetown, Washington, D.C., for instance, ...

Let's think of a paper sheet. If we tried to stiffen it from its primary state, it couldn't support its own weight. However, if we bend it, the sheet achieves a new structural quality. The shells act ...

When bridges, dam walls and other structures made of concrete are streaked with dark cracks after a few decades, the culprit is AAR: the alkali-aggregate reaction. AAR damages concrete structures all ...

Researchers at Princeton University's Department of Civil and Environmental Engineering have created a new type of concrete ...