{"data":{"news":{"items":[{"title":"World of Concrete returns in January 2019","date":"2018-10-22 16:52:00","id":1385,"author":"","blurb":"

The concrete and masonry industries are set to converge in Las Vegas, USA, in January 2019 for highly anticipated World of Concrete event. It will be held from 22 to 25 January (seminars between 21 and 25 January) at the Las Vegas Convention Centre.

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The concrete and masonry industries are set to converge in Las Vegas, USA, in January 2019 for highly anticipated World of Concrete (WOC) event. It will be held from 22 to 25 January (seminars between 21 and 25 January) at the Las Vegas Convention Centre.

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The 2019 edition is expected to be the largest WOC event in over a decade, featuring new and innovative products, cutting-edge technologies, exciting spectator events and competitions, and more than 150 educational sessions including luncheons, interactive workshops, as well as industry and hands-on training.

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WOC is regarded as the industry’s only annual international event dedicated to the commercial concrete and masonry construction industries. Its previous edition - which took place in January 2018 - was the largest event in nine years attracting 58,000 registered professionals, along with 1,564 major suppliers exhibiting across more than 746,000 net sq ft of space (about 69,306 sq m).

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Above: An indoor area at the WOC 2018.\r\n

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“We are anticipating another exciting event for 2019,” said Jackie James, group director of World of Concrete. “This space draw has surpassed expectations in square footage, and we are confident the 2019 event will be a strong event for both exhibitors and attendees. We look forward to serving the concrete and masonry industries with this annual international platform to network, source and receive valuable education to start the year off strong.”

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“There are some very positive changes to the show floor for 2019,” added Kevin Archibald, show manager of World of Concrete. “We have moved the Masonry area to Central Hall, and Technology to the North Hall, to accommodate both of these growing sectors of our industry. We look forward to filling what is left in available booth space throughout the fall, culminating in another action-packed event for our attendees. We also have several new events in the works, and a multi-day expansion of the Masonry Madness events happening in the Bronze Lot.”

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The world-class education programme will include 180+ sessions comprising 90-minute seminars, three-hour seminars, 40+ industry trainings and skill-building events, along with more hands-on training opportunities and interactive workshops than ever before.

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Website: www.worldofconcrete.com\r\n

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(Preview of World of Concrete 2019 has also been published in the Nov/Dec 2018 issue of Southeast Asia Construction\r\n).

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Concera admixtures from GCP Applied Technologies create control flow concrete that bridges the gap between conventional and self-compacting concrete. Its labour-saving benefit could prove valuable as Asia’s labour market grows increasingly tight.

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“Control flow concrete shows promise in decreasing labour demand and time for concrete placement. It also reduces the risk of segregation,” said Dr Hua Zhong, Asia Pacific’s product director at GCP.

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Unlike self-compacting concrete, which is considered costly to produce because it requires a specialised mix design with high powder content and small coarse aggregates, control flow concrete offers many desirable characteristics of conventional and self-compacting concrete without the corresponding negatives, explained GCP.

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The company added that like self-compacting mixes, control flow concrete flows and places easily without losing stability, which prevents aggregate segregation. It can be placed with minimal vibration, which helps to cut labour costs. And it does not require extensive quality control to produce, so it eliminates some of the costs that come with self-compacted concrete. It is manufactured using conventional mix designs, with lower powder contents and larger coarse aggregates, further reducing material costs.

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“Control flow concrete has distinct rheological behaviour compared to conventional concrete and self-compacting concrete,” said Dr Zhong. “The range of Concera admixtures creates control flow concrete and works with conventional mix designs.”

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The image above shows a comparison between conventional mix design with Concera admixtures (first image) and one without Concera admixtures (second image).

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GCP also highlighted that, like self-compacting concrete, control flow concrete is higher flowing than conventional concrete, and can be placed into forms with minimal vibration needed, making it an ideal solution for construction slabs and walls, where a smooth surface is vital.

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“Adding Concera admixtures to conventional concrete results in highly flowable, segregation resistant concrete that can help improve placement productivity and provide an aesthetically pleasing finish,” added Dr Zhong.

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Traditional construction of tunnels, high rises and supporting columns on bridges is labour intensive because conventional concrete needs to be pumped to flow through the heavy steel reinforcement that is required. With control flow concrete, contractors could reduce labour costs since it flows easily and can be easily pumped. With minimal vibrations needed to place the concrete, fewer workers are needed on the jobsite, plus additional cost savings is achieved since vibration equipment is not needed or minimised.

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“Concrete quality is related to the mix and the actual installation. With control flow concrete, since it’s highly flowable, it doesn’t require as many skilled workers to move and place the concrete,” said Dr Zhong.

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Control flow concrete is also ideal for creating precast concrete beams, columns and underground elements, said GCP, because it is durable and the high flow concrete speeds up placement into forms while reducing the labour and equipment required. The ease of placement also enables precast producers to manufacture more daily, leading to improvements in productivity.

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“The global precast construction market is projected to reach US$185 billion by 2022, spurred by increased construction spending and increased urbanisation,” explained Dr Zhong. “With Concera admixtures, precast producers could meet the increasing demand without increasing their investment thanks to the admixtures’ ease of placement and high flowability.”

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GCP works with concrete producers and contractors to tailor the right Concera admixture for every project. The company has a network of specialists across Asia with knowledge of local construction methods, materials and building environments, to ensure its customers are able to receive the right product for their project.

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According to GCP, the first projects using the new technology have already been completed with favourable feedback. Concera admixtures have been featured in a range of primary applications including horizontal slabs, elevated decks, vertical walls and columns.

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For a trial mix of control flow concrete featuring Concera admixture, contact GCP Applied Technologies at: asia.enq@gcpat.com

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Website: www.gcpat.com

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