Cement News tagged under: Concrete
A case for low-lime cement22 February 2017, Published under Cement NewsThe cement and concrete industry is re-inventing itself through new and efficient processes to not only reverse its environmental impact, but to make improvements to the whole supply chain of the building materials industry. This sustainability drive has seen the emergence of low-clinker cements, including cements that have a reduced lime content. By Dr Vahit Atakan, Dr Sada Sahu and Dr Nick DeCristofaro, Solidia Technologies, USA. Pavers ready for curing: Solidia Concrete ® cures wi... |
CSI launches responsible sourced concrete certification18 January 2017, Published under Cement NewsInitiated by the Cement Sustainability Initiative (CSI), a project of the World Business Council for Sustainable Development (WBCSD), international partners from the concrete sector began a responsible sourcing certification system to make the concrete and cement sector more sustainable and to improve transparency. Having been available online since 1 January 2017, the CSC certification system is designed to help concrete, cement and aggregate companies obtain insight in the level to whi... |
LafargeHolcim supplied 30 concrete types to Elbphilharmonie11 January 2017, Published under Cement NewsLafargeHolcim will see the completion of new Elbphilharmonie concert facilities in Hamburg, Germany, today. The cement producer delivered some 30 different types of concrete to meet the architects’ aesthetic and technical expectations in building a concert hall with outstanding acoustics and innovative design. A total of 63,000m3 of concrete were delivered by a consortium led by the company’s German subsidiary, Holcim Deutschland. Designed by Swiss architects Herzog & de Meuron, the plans... |
Semen Indonesia27 September 2016, Published under Cement NewsAs the country tackles tight competition and oversupply, Semen Indonesia is planning to partner with precast concrete firms to boost demand. With precast concrete producers using cement as a raw material, they provide a vital additional revenue stream for Indonesia’s cement manufacturers, many of whom saw revenues decline in the first half of the year as the economy struggled to recover. An unexpected boost in sales in August by almost nine per cent will come as a welcome sign to the coun... |
Holcim to close five Belgian concrete plants14 December 2015, Published under Cement NewsHolcim Belgique announced the closure of five concrete plants in Belgium to union representatives. The step will affect around 60 employees in Brugge, Herentals, Izegem, Oostende and Veurne. “The concrete market in Belgium is stagnating and there exists overcapacity in the sector, which has increasingly deteriorated from year to year,” said the company. “As a result, the activity of Holcim Belgique in the sector has been challenged by overcapacity in view of demand. This has affected ... |
Buzzi Unicem01 October 2015, Published under Cement NewsBuzzi Unicem has submitted an offer to acquire the cement and concrete operations of SACCA SpA. These consist of five cement works with an approximate market share of six per cent, three idle cement terminals and 27 ready-mixed concrete batching plants, mainly in central Italy. Provisionally, the operations have been valued at EUR74m. |
What cement users want01 July 2015, Published under Cement NewsDr Clark returns to the topic of cement product development looking at how the properties of cement can be modified to suit different concrete and mortar applications. Cement producers need to develop products that are most required by construction companies to gain an advantage over their rivals In December 2014 while participating in a workshop on “innovation products for strategic growth” organised by Považská Cementáren in Slovakia, the Technical Forum focussed on the top... |
Cemex invests GBP1m in new concrete plant16 June 2015, Published under Cement NewsCemex has invested GBP1m in a new concrete plant at its existing site in Leeds, UK. Cemex demolished the old plant in January 2015 after 63 years of operations. The new plant can batch 6m3 in around four minutes, or approximately 90m3 an hour. “The new plant has a simple and logical layout, and is well engineered,” said regional director Craig Williamson. “So for example, there is overhead storage for 500t of aggregates enabling it to go directly from the storage into the mixing area. We a... |
Supporting the load30 March 2015, Published under Cement NewsOperating in Georgia since 2007, HeidelbergCement has seen its cement and concrete operations expand and work volumes grow. To help keep pace with its 24/7 production schedule at the company’s seven concrete production sites and two cement plants, a fleet of SDLG wheel loaders has been employed. Uptime of the vehicles is further optimised through a rigorous maintenance schedule undertaken by a local company, providing support close to home. By Shandong Lingong Machinery Co Ltd, China. ... |
Concrete, air and aggregates19 December 2014, Published under Cement NewsThe design of a good-quality concrete mix depends on a number of factors: the right balance between cement and water used, avoiding excessive air entrapment and the use of suitable aggregate. A fresh delivery of concrete Most Portland cement production is destined to become a part of concrete, whether ready-mix, precast, sprayed or other type. A typical mix for concrete is shown in Table 1. Concrete contains three essential elements: aggregate (including coarse, fine and sand... |