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

Reflecting changing currents in engineering design and material availability, the American Concrete Institute has updated its 318 standard to ACI 318-25, with a new sustainability guide and updated ...

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 that's 560% stronger, simply by using less materials.  The new concrete, ...