Cement News tagged under: Composite cement
Dyckerhoff launches Blue Star white cement26 June 2023, Published under Cement NewsAs it launches Dyckerhoff Weiss Blue Star, a white pozzolan cement, Dyckerhoff ( Buzzi SpA Group ) is reducing CO 2 emissions for its white cement. It is now a question of transferring white cement to a CO 2 -efficient future. Possible substitutes for the clinker come from the areas of natural and artificial pozzolan. Unfired limestone can also be a useful substitute, depending on the application. Limestone powders are physically-processed mineral additives that ha... |
Dyckerhoff CEDUR composite cement rebuilds Lörrach hospital05 December 2022, Published under Cement NewsDyckerhoff secured an order for the delivery of 68,000m³ of concrete to rebuild the central hospital in Lörrach, southwest Germany. The concrete is produced with Dyckerhoff Cement from the Göllheim and Amöneburg plants. For the duration of the construction period, the Dyckerhoff mobile plants branch operates a mobile mixing plant directly on site. Approximately 6000m³ of ready-mixed concrete of quality C30/37 in consistency F4 was produced in the mobile plant for the foundations,... |
New analytics for MCCs16 November 2020, Published under Cement NewsNew analytical methods to characterise the inner particle size distribution (iPSD) of (multi-)composite cements (MCC) have been developed by the Institute of Nonmetallic Materials in Germany, aimed at producing higher-substituted cements with improved efficiency and performance. By Dr Johannes Unseld and Prof Dr Albrecht Wolter, Institute of Nonmetallic Materials, Clausthal University of Technology, Germany. Figure 1: reference limestone and the backwards calculated limestone PSD ... |
Durability of composite cements with calcined clay13 December 2018, Published under Cement NewsComposite cements are clinker efficient and play an important role in reducing CO 2 emissions from cement manufacturing. To assure their correct application in concrete, their performance in concrete has to be demonstrated, especially with regard to durability under different concrete exposure conditions. As part of a long-term research programme, such cements made of different calcined clays were used in conventional concrete mixtures and tested for their resistance to carbonation, chlorid... |
The future of cement18 September 2017, Published under Cement NewsIn the first of two reports from the recent international symposium, “The Future of Cement” that took place in Paris, we look at the role played by Louis Vicat in the industrialisation of modern cements and the latest developments in terms of materials chemistry and cement manufacturing. Paris was the host city for “The Future of Cement”, an international symposium, organised by SFIC, ATILH and UNESCO Held at the UNESCO headquarters in Paris this June, “The Future of Cement” was... |
Butra HeidelbergCement launches new brand of cement12 September 2017, Published under Cement NewsButra HeidelbergCement (BHC) Sdn Bhd, the only cement producer in Brunei Darussalam, has expanded its product line under the Brunei Cement brand with the launch of the 52.5 Brunei Cement. Brunei Cement, a combination of clinker, gypsum and slag, is readily available nationwide in more than 80 per cent of the hardware retail outlets in Brunei Darussalam. A launch ceremony for the new cement product held on 6 September was attended by BHC Managing Director, Marcelino Ugarte, together wit... |
Ambuja Compocem launched04 May 2017, Published under Cement NewsAmbuja Cement announced it has launched its composite cement, Ambuja Compocem, to the Indian markets of Bihar and Jharkhand. The LafargeHolcim company said in a statement that its Chhattisgarh facility has become is first cement plant in India to develop a composite cement after rigorous research over the last year and a half. The new offering is a combination of cement, flyash and slag. Speaking at the launch of the product, Ajay Kapur, MD and CEO of Ambuja Cement, said: "Ambuja Compocem... |
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