The independent panel reviewing the investigation of San Francisco’s troubled Salesforce Transit Center is tasked with both determining the cause of brittle fractures in two bottom flanges of twin built-up plate girders and assigning responsibility for the fractures, according to Ron Alameida, director of design and construction for the public owner, the Transbay Joint Powers Authority.
Adapting an old terminal came with multiple noise challenges: muffling the sound of road traffic to the east, idling or taxiing aircraft to the west, and planes flying above
Adapting an old terminal came with multiple noise challenges: muffling the sound of road traffic to the east, idling or taxiing aircraft to the west, and planes flying above.
Workers have completed repairs of the fractured girders at the beleaguered Salesforce Transit Center in San Francisco, shuttered since late September, some six weeks after it opened.
A radiation-shielded, inflatable greenhouse with a hydroponic growing system designed by undergraduate students at Dartmouth College’s Thayer School of Engineering could sustain four astronauts on a 600-day mission to Mars as soon as 2030.
The International Living Future Institute, steward of the world’s most demanding sustainable-building program, is no longer satisfied with its boutique status as a third-party certifier of super-green buildings.
Help is on the way for structural engineers driving toward improving the efficiency, reliability and resilience of buildings through performance-based wind design.