John V. (Jack) Christiansen, a pioneer in designing thin shell concrete structures, died Aug. 16 on Bainbridge Island. He was 89. Christiansen worked as a structural engineer in Seattle and was ...

Structural engineer John V. “Jack” Christiansen, a leader in the design of thin-shell concrete structures, died on Aug. 16 on Bainbridge Island, Wash. He would have turned 90 on Sept. 28. The most ...

An alternative for resource intensive formwork for the construction of concrete domes has been developed. It is now used in a test dome for the Austrian Federal Railways Infrastructure. Concrete ...

The heart of the four metre tall curved concrete shell is knitted. The structure's formwork is a textile supported by a steel cable-net. The prototype KnitCandela marks the first application that this ...

Researchers in Australia think they have a way to make concrete even stronger. Needless to say, the building material is already pretty tough, but a study finds it could be tougher. According to that ...

Oil giant Shell is to launch a bid to leave the 10 vast concrete legs of three oil rigs standing in the North Sea for up to 500 years after the platforms have been decommissioned. The company’s ...

The distinctive shell structures form part of what was Norwich Sports Village, which opened in Hellesdon in 1988 [John East/Twentieth Century Society] A leisure centre's "majestic" concrete domes ...