Last year marked two milestones for forensic structural engineer Donald O. Dusenberry. He retired from Simpson Gumpertz & Heger Inc. after 45 years and he celebrated the completion of the draft of the nation’s first building standard on disproportionate collapse mitigation.
A shortage of life-saving medical oxygen at many hospitals in poor regions of the globe is of growing concern, thanks to increased demand caused by COVID-19, disrupted supply chains and many broken oxygen-generating plants at hospitals.
The structural engineer for the tower's perimeter pile upgrade has proposed a scheme to reduce the number of piles and speed the delayed project to completion by the end of 2022.
Amazon’s 2.1-million-sq-ft Metropolitan Park office development near the nation’s capital could become a model for other large-scale sustainable projects. The building team is tracking a 15% reduction in embodied carbon in the project's 200,000 cu yd of concrete and the two 22-story buildings are on course to qualify as net-zero operational carbon.
Its monumental architecture gives the parliament complex a historical look, although the design and construction techniques, especially for the classically inspired dome, are unmistakably modern.
By installing a pilot pile for the settling Millennium Tower's troubled foundation repair, Shimmick Construction hopes to prove the efficacy of revised construction methods so that work can continue without triggering accelerated building settlement.