Using a novel vertical production line, builders of a futuristic U.K. observation tower recently completed the 162-m-tall steel mast around which a sleek doughnut-shaped pod will rise and fall.
The Washington National Cathedral's hilltop location in northwest Washington, D.C., has long given the limestone-on-masonry Gothic Revival structure a visibility enjoyed by few other structures in the nation's capital.
Building owners are becoming more aware of the benefits that building information modeling brings to their construction projects, and to a lesser extent, its value in the management and operation of their buildings.
In a proposed settlement with the U.S. government over a 2014 coal-ash spill in North Carolina, Duke Energy will pay fines totaling more than $68 million, along with $34 million for ash-basin mitigation and community service, the Charlotte, N.C., utility said on Feb. 20.
In fall 2009, Philadelphia-based Drexel University broke ground on the $70-million, 130,000-sq-ft Papadakis Integrated Science Building, a project seeking LEED Silver certification under the auspices of the U.S. Green Building Council.
Andreas Tselebidis, who has developed concrete mixes for more than 15 supertowers, says his assignment to design the mix for the world's first extra-high-strength architectural concrete supertower—the 1,397-ft 432 Park Avenue in Manhattan—is his most challenging ever.
For about 50 years, many developers and design teams—salivating over the best-located piece of real estate left in the heart of Chicago—have tried unsuccessfully to come up with an economically viable project for the sliver of a site, hemmed in by active railroad tracks, viaducts, a building and the Chicago River.
Related Links: American Concrete Institute Engineers Welcome Designer-Friendly Structural Concrete Standard Pankow Foundation Charts Ambitious Research Goals For High-Strength Rebar More than 25,000 Twitter users participated in a Nov. 18 Twitter chat, hosted by the American Concrete Institute, to ask questions about the group's revised "Formwork for Concrete" manual, which was published last month.Topics "discussed" included polyvinyl chloride formwork; safety design of formwork; new content in the manual; the latest load and materials standards; and the benefits students can gain from the manual, says ACI. "The objectives of the manual, through many editions, are to support quality, safety and economy,"
RSS
