The International Information Center for Structural Engineers

Thursday, 23 February 2017 15:51

Hayward Baker has a new logo as part of Keller Group (video) Featured

Hayward Baker has a fresh, new logo as part of Keller Group of companies.

Twelve brightly colored crosswalks is the solution proposed by Santa Monica’s officials for safer streets, at least in the city’s downtown area. The ‘Creative Crosswalks’ project was announced in July 2016, in an effort to reduce the number of traffic-related deaths and serious injuries to zero, an action plan called ‘Vision Zero’ but also to lure people to leave the car at home and walk instead. The Vision Zero initiative was launched in 2015 as part of a worldwide movement to reduce traffic deaths. Creative crosswalks have already been used in many cities around the world in order to make crossings more visible to motorists. And in Santa Monica, they even help breaking the stereotype that nobody walks in L.A.

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Brown University engineers Haneesh Kesari and Michael Monn have been studying sea sponges in order to understand how these fairly simple creatures can maintain their shape at the bottom of the ocean, despite the fact that they are subject to the constant stress of underwater waves and tidal forces. The findings of their research, published in the journal Scientific Reports showed that tiny structural rods in the sponges’ bodies have evolved the optimal shape to avoid buckling under pressure. According to the researchers, this shape could provide a blueprint for increasing the buckling resistance in all kinds of slender human-made structures, from building columns to bicycle spokes to arterial stents, as buckling is the primary mode of failure for slender structures.

A huge but yet mobile 3D printer has been developed by Dr. Behrokh Khoshnevis, Dean’s Professor of Industrial & Systems Engineering, Aerospace & Mechanical Engineering, Astronautics Engineering, Biomedical Engineering and Civil & Environmental Engineering at the University of Southern California (USC), as well as Director of the Center for Rapid Automated Fabrication Technologies (CRAFT). Its function is based on his idea about Contour Crafting (CC), a layered fabrication technology with great potential in automating the construction of whole structures that could also reduce material use, waste and energy consumption. An entire two-story house of 2,500 ft2 could be built in a day, without supervision! And because these machines can scale to great sizes, they will eventually be used to even build skyscrapers.

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A short bridge was demolished in downtown LA, as it was standing in the way of the Regional Connector project, the city’s metro line extension. The bridge, leading to Hope Street, was built in the area where the construction of the 2nd Street/Hope Station is taking place. The station will serve the northwest part of DTLA, including Walt Disney Concert Hall, the Broad, the Los Angeles Music Center, MOCA and many offices and residences in the area.

Monday, 13 February 2017 10:52

Timber Support Brackets by Hubbell Featured

Timber brackets by Hubbell are perfect for connecting timber beams to helical piles.

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The lobby ceiling of the Cuban hotel Sol Rio De Luna y Mares collapsed on Feb. 2 during a wedding ceremony rehearsal, burying in the debris a British couple and their 24 guests, many of which were seriously injured. John and Sarah Wenham were saving for years and had planned the $30,000 wedding of their dreams in Cuba, but the roof collapse turned their special day into a nightmare. Nothing has been reported up to now regarding the cause of the devastation.

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