Cement News tagged under: concrete
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... |
The strength of recycling23 August 2013, Published under Cement NewsOne of Latin America’s leading cement producers, Argos has been working on a pilot project for the collection, separation, classification and trituration of Construction and Demolition Waste (C&DW). The company has used recycled aggregates to partially replace conventional aggregates in concrete mixtures of different types of strength and settlement. Several lab tests were carried out to determine the effect of using recycled aggregates with results indicating that types of concretes contain... |
Keeping an eye on moisture03 May 2013, Published under Cement NewsIn concrete batching plants the online measurement of moisture in raw materials allows more precise control of the batching process. Scantech International has developed the TBM260, a new system for measuring the moisture content of material in bins, a trial for which was conducted at the Holcim Darra plant in Queensland, Australia. By Steve Louden, Holcim (Australia) Pty & Ken Smith, Scantech International Pty Ltd, Australia. Figure 1: installation of microwave antennae on the throat... |
Stepping towards sustainability16 January 2013, Published under Cement NewsSouth Africa has a strong cement industry that is now remodelled with many new plants and high standards of cement production. Cheap imports, skilled labour shortages and a lack of government funding still frustrate local producers, but research into lower emissions and more sustainable products continues. By Hanlie Turner, Cement & Concrete Institute, South Africa. The thriving metropolis of Cape Town, South Africa The Cement & Concrete Institute (C&CI) has reported YoY growth ... |