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New Ashton Arch, Western Cape, South Africa: Design and Construction Aspects
The New Ashton Arch Bridge was completed in the town of Ashton, South Africa, crossing the Cogmanskloof river. The bridge replaces an existing solid spandrel, a multi-arch bridge which had reached the end of its functional service life. The new tied-arch bridge comprises a cable-supported concrete deck which spans 110 metres between bearings and arching ribs which rise 22 metres above the asphalt road surface. The superstructure, which was completed mid 2020 adjacent to the existing road-alignment was then transversely jacked to its final position after completion of the substructure. This presentation highlights important design and construction aspects that are of interest to the civil engineering profession.

Sep 2, 2022 02:00 PM in Zurich

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Speakers

Abé Newmark
Since graduating as a Civil Engineer 44 years ago at University of Pretoria, South Africa, Abé Newmark has specialised in Project Management, Feasibility Studies, Conceptual Planning, Detail Design, Tender Documentation and Construction Management of projects encompassing the full spectrum of Civil Infrastructure, with specific emphasis on major Highway and Bridge projects in South Africa, several African countries, and the Middle East. His speciality is bridge structural design and leading of design teams for bridge construction projects.
Heinrich van Wijk
Heinrich has gained experience in the civil infrastructure construction industry after completion of his undergraduate studies. Major projects which he has been involved with includes a concrete gravity dam, a concrete tied-arch bridge and currently a 580 m span composite cable stay bridge. As a bridge engineer his core role lays within structural analysis and design, with a particular interest in erection engineering. For the Ashton Arch Bridge and the Msikaba River Bridge, he has been intimately involved with the finite element modelling, cable optimisation and erection monitoring.
Dr. Pierre van der Spuy
Moderator, Chair IABSE South African National Group
Adjunct Professor at Stellenbosch University and Associate at Zutari. He is currently planning two webinars to start discussing various topics and increase engagement within the National Group.