News bulletin 25:
News bulletin 25: 23 Jun 2020

LafargeHolcim is attempting to build 200 metre-tall wind turbine towers with 3D printed concrete bases. These are normally built in precast concrete or steel at less than 100 metres in height.

The main structure of the world's highest altitude concrete-filled steel tube arch bridge (pictured) has been completed in Tibet. The 525.1 metre-long rail bridge stands at an altitude of 3350 metres and is part of a 435 km railway that includes 120 bridges and 47 tunnels, expected to open in 2021.

UNSW Built Environment is developing technology that represents a digital twin of real-world construction equipment to enable improved diagnostics and analytics and communication between the replica in the cloud and the real thing. The technology allows the user to control the equipment and is different to BIM.

The UN predicts that another 230 billion square metres of floor area will be constructed in the next 40 years yet industry must aim for carbon neutrality. So, a principal structural engineer at an engineering and architecture consultancy discusses the question: Does structural concrete have a place in a zero carbon future? in this article.

Engineers Australia has couple of interesting heritage news items on civil engineering featuring the bridges proposed for the early days of Hobart including the final choice, and two civil engineers who worked on the Goldfields Water Supply Scheme in Western Australia.

Two architects in Dubai are working on an alternative cement using brine - waste generated by the UAE's desalination plants. The pair was inspired by a material used in ancient times – sabkha, huge mineral-rich salt flats - that are part of the region's wetlands.