Concrete Engineering International August 2015

August's issue features are Precast Concrete, Formwork and Falsework, Visual/Decorative Concrete, Floors and Screeds, High-Rise Construction, In-situ/Ready-Mixed Concrete.
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As a flexible curtain wall material, the lightweight glass-fibre-reinforced concrete (GRC) wall panel has attracted extensive attention. Focusing on the application of such panels for Nanjing Youth Olympic Conference Centre, which is also the first large-scale application for modern digital construction, ‘Lightweight GRC wall panels for Nanjing Youth Olympic Conference Centre’ by Gao Ming looks at some practical methods in product design, manufacturing and installation.

As a flexible curtain wall material, the lightweight glass-fibre-reinforced concrete (GRC) wall panel has attracted extensive attention. Focusing on the application of such panels for Nanjing Youth Olympic Conference Centre, which is also the first large-scale application for modern digital construction, ‘Lightweight GRC wall panels for Nanjing Youth Olympic Conference Centre’ by Gao Ming looks at some practical methods in product design, manufacturing and installation.

Concrete cannot be held responsible for the way it has been used. There are many successes in the use of decorative concrete, which produce aesthetically pleasing and structurally sound paving projects. As the decorative concrete market has evolved and grown, designers and specifiers have become more familiar with, and confident at, specifying pattern-imprinted concrete. Taken from ‘Evolving decorative concrete’, by John Grant of PICS.

Concrete cannot be held responsible for the way it has been used. There are many successes in the use of decorative concrete, which produce aesthetically pleasing and structurally sound paving projects. As the decorative concrete market has evolved and grown, designers and specifiers have become more familiar with, and confident at, specifying pattern-imprinted concrete. Taken from ‘Evolving decorative concrete’, by John Grant of PICS.

The development of Ductal ultra-high-performance fibre-reinforced concrete has provided a new material that can be used efficiently in conjunction with a post-tensioning system. In Gorge de l’Herault, near Montpellier, the ‘Pont du Diable’ (Devil’s Bridge) footbridge, designed by the architect Rudy Ricciotti, has been constructed using Ductal by Freyssinet and Bonna Sabla. Taken from ‘Best footbridge forward’ by Graham Stanford of Freyssinet.

The development of Ductal ultra-high-performance fibre-reinforced concrete has provided a new material that can be used efficiently in conjunction with a post-tensioning system. In Gorge de l’Herault, near Montpellier, the ‘Pont du Diable’ (Devil’s Bridge) footbridge, designed by the architect Rudy Ricciotti, has been constructed using Ductal by Freyssinet and Bonna Sabla. Taken from ‘Best footbridge forward’ by Graham Stanford of Freyssinet.

Located in the go-ahead city of Porirua, north of Wellington, New Zealand, Whitireia Polytechnic is undergoing a staged redevelopment to build a community-focused facility. The recently completed Wikitoria-Katene Building is a striking addition to the campus, built around the poetic use of concrete. Taken from ‘Carved in concrete at Whitireia Polytechnic’.

Located in the go-ahead city of Porirua, north of Wellington, New Zealand, Whitireia Polytechnic is undergoing a staged redevelopment to build a community-focused facility. The recently completed Wikitoria-Katene Building is a striking addition to the campus, built around the poetic use of concrete. Taken from ‘Carved in concrete at Whitireia Polytechnic’.

Over the years, US Route 67 has become a relatively heavily travelled route, which has required maintenance, rehabilitation and, in some cases, newly developed stretches. Work on the re-route has been benefiting from machine automation. Weaver-Bailey, a specialist concrete paving contractor is carrying out the works. Taken from ‘New link added to historic Arkansas road’.

Over the years, US Route 67 has become a relatively heavily travelled route, which has required maintenance, rehabilitation and, in some cases, newly developed stretches. Work on the re-route has been benefiting from machine automation. Weaver-Bailey, a specialist concrete paving contractor is carrying out the works. Taken from ‘New link added to historic Arkansas road’.

Stretching 200m long and 35m wide, Troja Bridge in the Czech Republic is one of the world’s largest network arch bridges. It includes an unusually low and slim arch, which is just 0.9–1.3m deep. This is made possible by a network of 200 inclined steel rods, which link the steel box-section arch and prestressed concrete bridge deck at 1.8m intervals, providing stiffness and stability. Taken from ‘Troja Bridge, Czech Republic: a lesson in structural efficiency’ by Ladislav Sasek.

Stretching 200m long and 35m wide, Troja Bridge in the Czech Republic is one of the world’s largest network arch bridges. It includes an unusually low and slim arch, which is just 0.9–1.3m deep. This is made possible by a network of 200 inclined steel rods, which link the steel box-section arch and prestressed concrete bridge deck at 1.8m intervals, providing stiffness and stability. Taken from ‘Troja Bridge, Czech Republic: a lesson in structural efficiency’ by Ladislav Sasek.

Overstock.com’s new headquarters, referred to as the ‘Peace Coliseum’, will look like a corporate concrete-and-glass version of the Roman Coliseum from the ground, but from the air, the three-storey building will appear as a peace sign. Kirstie Burden of Overstock.com, USA describes the project so far.

Overstock.com’s new headquarters, referred to as the ‘Peace Coliseum’, will look like a corporate concrete-and-glass version of the Roman Coliseum from the ground, but from the air, the three-storey building will appear as a peace sign. Kirstie Burden of Overstock.com, USA describes the project so far.

Built in 1935, the Lester River Bridge is a single-span ribbed reinforced concrete arch bridge that carries TH 61 over the Lester River in Duluth, Minnesota. After years of exposure to de-icing chemicals, corrosion of the reinforcing steel was beginning to affect the integrity of the structure. Work required included concrete patch repairs, replacement of selected items and rehabilitation of the reinforced concrete arches. Chris Ball of Vector Corrosion Technologies, USA explains the…

Built in 1935, the Lester River Bridge is a single-span ribbed reinforced concrete arch bridge that carries TH 61 over the Lester River in Duluth, Minnesota. After years of exposure to de-icing chemicals, corrosion of the reinforcing steel was beginning to affect the integrity of the structure. Work required included concrete patch repairs, replacement of selected items and rehabilitation of the reinforced concrete arches. Chris Ball of Vector Corrosion Technologies, USA explains the…

In the green heart of the Dutch Randstad a new road is being built through the swampy territory between the villages of Nieuwkoop and Woerdense Verlaat. The existing road had shown defects over time. In order to be able to repair these defects a number of innovations have been applied and the construction of the new road differs completely from the original. Taken from ‘Steel-fibre-reinforced concrete road on piles’, by Michaël Menting of ABT, The Netherlands.

In the green heart of the Dutch Randstad a new road is being built through the swampy territory between the villages of Nieuwkoop and Woerdense Verlaat. The existing road had shown defects over time. In order to be able to repair these defects a number of innovations have been applied and the construction of the new road differs completely from the original. Taken from ‘Steel-fibre-reinforced concrete road on piles’, by Michaël Menting of ABT, The Netherlands.


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