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News Displaying items by tag: slag cement

Displaying items by tag: slag cement

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Hoffmann Green Cement Technologies wins slag cement supply contract with housing developer

14 January 2021

France: Housing developer Ouest Réalisations has awarded a supply contract to Hoffmann Green Cement Technologies. Under the terms of the agreement, the producer will provide the housing developer with its clinker-free low-carbon cement made from blast furnace slag using its H-UKR technology. The order covers a total volume of 75,000m3 of concrete manufactured by concrete plants distributing Hoffmann Green cement, equivalent to 20,000 - 30,000t of cement, for use in Ouest Réalisations’ developments until the end of 2025. These include the 700-unit Batignolles 2025 project in Nantes and the 103-unit La Croix Blanche project in Les Sables d’Olonne.

Hoffmann Green Cement Technologies co-founders Julien Blanchard and David Hoffmann said "This five-year order commitment once again strengthens the value of our carbon-free cement solution. We are very proud to conclude our first partnership with a housing developer, and all the more so with Ouest Réalisations, a Vendée company with whom we share many values and in particular a common vision: that of decarbonising the new housing construction sector. We are looking forward to following Ouest Réalisations’ real-estate programs using our technology."

Published in Global Slag News
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Ready Mix Beton to supply slag cement concrete to monorail projects in Egypt

17 September 2020

Egypt: Suez Cement subsidiary Ready Mix Beton says that it has secured a contract for the supply of concrete for the construction of two new monorail lines projects. Due to begin in late-2020, the contract covers the construction of a monorail line between Cairo and the New Administrative Capital and another between 6 October City and Giza. The company says that it will use Suez Cement’s CEM III/A ground granulated blast furnace slag (GGBFS) cement to produce concrete for the 96km monorail network.

Suez Cement said, “CEM III/A cement is highly recommended when building thick concrete supports and massive structures because its hydration temperature of less than 210kJ/kg reduces cracking compared with Ordinary Portland Cement (OPC) when the applied concrete is subjected to dual exposure to sulphates and chloride ions, as happens in coastal areas.”

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GM Iron & Steel Company reveals 0.4Mt/yr Dhenkanal slag cement grinding plant plans

03 September 2020

India: GM Iron & Steel Company Limited has published plans for the construction of a 0.4Mt/yr slag cement grinding plant in Dhenkanal, Odisha. United News of India has reported that the plant is part of an upcoming construction materials complex, including a 46MW captive power plant, that will cost US$82.7m, according to the company.

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Counto Microfine Products receives micro-fine cement and slag cement licences

09 July 2020

India: The Bureau of Indian Standards has granted a licence to Counto Microfine Products (CMP), a joint venture of Ambuja Cements and medical company Alcon Group, for the production of micro-fine Ordinary Portland Cement (OPC) and ground granulated blast furnace slag (GGBFS) cement. The Times of India newspaper has reported that CMP operates a grinding plant in the state of Goa.

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Belgorodsky Cement produces new slag cement

26 June 2020

Russia: Eurocement subsidiary Belgorodsky Cement has announced the start of commercial production of a new CEM-III slag Portland cement. The company says that the cement is highly water and frost resistant and suitable for use in the construction of massive ground and underground structures. Belgorodsky Cement director general Eduard Androsov said, “We offer our customers an individual approach to solving construction problems and guarantee a stable supply of high quality products in the required volumes and within strictly defined deadlines.”

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Iskitimcement begins CEM-II slag cement production

26 May 2020

Russia: Iskitimcement has announced the beginning of CEM-II ground granulated blast furnace slag (GGBFS) cement at its Iskitimcement plant in Novosibirsk Oblast. Regional Weekly News has reported that the cement will be used in road base concrete production and soil reinforcement. Iskitimcement says that the cement has high frost, abrasion and impact resistance and strength of over 5.5MPa. It will sell the cement, the seventh type produced at the plant, in 25kg, 50kg and 1t bags.

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Hanson uses ground granulated blastfurnace slag product in London super sewer project

14 February 2020

UK: Hanson supplied its Regen ground granulated blastfurnace slag (GGBS) product for use on part of the Thames Tideway Tunnel super sewer project in Wapping, London. The product was used to overcome difficult ground conditions. Around 5700t tonnes of Regen, supplied from its Purfleet grinding plant in Essex, was used with 3000t of Ketton cement to create a binder to stabilise soil so work to construct a combined sewer overflow could progress and provide a connection to the main east tunnel.

Costain, VINCI Construction Grands Projects and Bachy Soletanche worked with Hanson in laboratory trials to test the performance of the system and suitability of the selected mix design. Deep soil mixing, a technique that enhances the characteristics of weak soils by combining them with a cementitious binder, was chosen as the final stabilisation method.

The Thames Tideway sewer network expansion is due for completion in 2024 and is happening across 24 construction sites in London, spanning from Acton in West London to Beckton in the east of the city.

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Topkinsky Cement plant begins producing new slag cement

29 January 2020

Russia: Sibirsky Cement Holding (Sibtsem) subsidiary Topkinsky Cement has announced that it has entered commercial production of a new Mita slag Portland cement with granulated blast furnace slag (GBFS) at its 2.7Mt/yr integrated plant in Topki, for which it received a certification of conformity with ‘cement for general construction’ standards on 16 January 2020. Nina Poputnikova, Topkinsky Cement laboratory and quality department head, said that it is producing the cement in response to ‘construction companies’ increased interest in cement for use in reinforced, precast concrete in monolithic structures such as buried and hydraulic structures.’

“In the near future we plan to certify two new cements,” said Topkinsky Cement managing director Alexey Ospelnikov. One will be a low-heat general-purpose cement for large-sized concrete structures and the other a sulphate-resistant Portland cement. “Expanding the assortment will help strengthen the company’s position in the Russian cement market.”

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Chettinand Cement Corp. Pvt. Ltd. orders Gebr. Pfeiffer mill

16 January 2020

India: Gebr. Pfeiffer has announced that it has received an order for one MVR 6000 C-6 roller mill for Chettinand Cement Corp. Pvt. Ltd.’s upcoming 2.0Mt/yr Vishakapatnam granulated blast-furnace slag (GBFS) and slag cement
Grinding plant in Andhra Pradesh. Gebr. Pfeiffer said the mill will grind slag and cement to a fineness of between 3000 and 3800 blaine at a rate of between 235t/hr and 340t/hr. It says the mill improves plant availability by the active redundancy of the grinding rollers, enabling mill operation with reduced rollers in the event of maintenance work or a malfunction.

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University of Southern Florida concludes slag cement sulphate resistance study

02 January 2020

US: Researchers from the University of Southern Florida (USF) testing the resistance to deterioration of cements containing between 30% and 70% of slags of various aluminium oxide (Al2O3) and magnesium oxide (MgO) contents when exposed to sulphates have discovered a general decrease in resistance with increased Al2O3 content. Real Estate Weekly News has reported that increased MgO was found to increase resistance, especially at 30% slag replacement.

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