Steve Freihon/Related-Oxford
New York, New York
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The UK Net Zero Carbon Buildings StandardMarch 26, 2026
A new UK standard is redefining what “net zero carbon building” actually means—shifting the focus from design intent to verified, in-use performance. Here’s what it is, why it matters, and how to apply it.
Insight
2-D Seismic Soil-Structure Interaction Study, Transbay Transit CenterSeptember 01, 2012
The Transbay Transit Center (TTC) will be located in downtown San Francisco, California, and will serve 11 transportation systems including the future High Speed Rail. The proposed structure is 1,500 feet long, and consists of 6 stories, including below-grade trainbox and 5.4 acre rooftop park. Series of two-dimensional seismic soil-structure interaction (SSI) analyses were performed, including fully-coupled direct solution approach as well as substructuring approach. “Scattered” motions, soil springs and dashpots were developed at different locations along the structure.
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Experimental study on hydrogen explosions in a full-scale hydrogen filling station modelJune 07, 2007
In order for fuel cell vehicles to develop a widespread role in society, it is essential that hydrogen refuelling stations become established. For this to happen, there is a need to demonstrate the safety of the refuelling stations. The work described in this paper was carried out to provide experimental information on hydrogen outflow, dispersion and explosion behaviour. In the first phase, homogeneous hydrogen–air mixtures of a known concentration were introduced into an explosion chamber and the resulting flame speed and overpressures were measured.