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Displaying items by tag: concrete
Solidia Technologies partners with Chryso to further develop Solidia concrete product
15 September 2020US: Solidia Technologies and France-based Chryso have announced a collaborative partnership for the further development of the Solidia ‘ultra-low’ CO2 concrete product. The companies plan to use their “combined expertise to improve the sustainability performance and material properties” of the concrete.
“Incorporating Chryso’s exclusive water-reducing admixtures adapted to the specific chemistry of Solidia Concrete, will further reduce water consumption in the curing process,” said Tom Schuler, president and chief executive officer (CEO) of Solidia Technologies.
Competition and Markets Authority to consider Breedon Group undertakings for Cemex UK acquisitions
14 September 2020UK: The Competition and Markets Authority (CMA) has announced that it will consider the undertakings offered by Breedon Group to which its deal with Cemex UK for acquisition of several of the latter’s ready-mix and aggregates operations would be subject. The regulator explained its ruling by saying, “There are reasonable grounds for believing that the undertakings might be accepted by the CMA under the Enterprise Act 2002.” This may lead to the completion of the acquisitions, which were agreed on 21 January 2020.
UK: Cemex UK says that construction company Kier used concretes from its reduced-carbon dioxide (CO2) Vertua range to complete a net-zero CO2 residential construction project at the University Warwick. Sales executive Matthew Doran said that the student accommodation, called Cryfield, “was the first project for which Kier has chosen to use the Vertua range and it was an exciting opportunity for Cemex to demonstrate the value of this product as both a high-performance and sustainable choice.”
Colombia: Argos has supplied 220,000t of cement and 765,000m3 of ready-mixed concrete to the site of the 8500m-long Túnel de La Línea road tunnel in Quindío and Tolima Departments.
Colombia regional vice president Tomás Restrepo said, “We are proud to have participated as allies in the construction of this mega-work that represents a great milestone for the infrastructure of our country and Latin America. This was a project that represented great logistical and technical challenges that Argos has faced with commitment. We are sure that this strategic work of interconnection will contribute enormously to the progress of Colombia and its people. This reflects our high purpose to continue contributing to the construction of dreams that drive development and transform lives"
LafargeHolcim defends itself against River Seine pollution finding
02 September 2020France: LafargeHolcim has said that Lafarge Béton is not responsible for the discharge of ‘particles of cement, treatment liquids and plastic microfibers’ from its Bercy concrete plant in Paris Department. The La Télégramme newspaper has reported that the plant has been under environmental inspection since late August 2020. The company says that the pollution resulted from a single incident ‘caused by malicious parties’ who knew of the on-going investigation.
The mayor of Paris has contacted the public prosecutor to request a criminal action against LafargeHolcim.
Azerbaijan: Azerbaijan produced 1.56Mt of cement in the first half of 2020, representing a 2.7% year-on-year decline from 1.60Mt in the half of 2019. Concrete sales increased by 6.5% to 0.83Mt from 0.78Mt, while the total value of construction materials sales fell by 4.8% to US$251m from US$264m.
Philippines: Aboitiz Group food and agriculture subsidiary Pilmico Foods says that it has developed a waste ash-based concrete mix that contains 20% less cement than its previous mix and that “can be used for all of the company’s construction needs.” The Manila Bulletin newspaper has reported that the ash is sourced from burnt rice husks, a fuel source for Pilmico’s food production and itself a by-product of its operations. Central Maintenance Department mechanical supervisor Michael Cayabyab said, “When we started using the biomass boiler almost two years ago, we saw process improvements and reduced costs. But in Pilmico, we know that the challenge does not stop there." The company has yet to commercialise the concrete, however it hopes to inspire others with its “demonstration of the circular economy demolishing the divide between industries.”
Cemex supplies major car park project with concrete
18 August 2020Mexico: Cemex says that 70,000t of its concrete has been used in the construction of Park Garage, a 10,000 vehicle-capacity multi-storey car park in Heroica Veracruz, Veracruz State. The company used a 500m3/day Vince Hagan batching plant and 12 mixing trucks to distribute concrete throughout the complex. Mexico regional president Ricardo Naya said, “We supplied specialised high-resistance concrete to counteract the severe salinity conditions that prevail due to the edifice’s proximity to the sea. Park Garage is yet another example of our ability to offer the highest quality products and services designed to meet our customers’ most demanding requirements."
Colombia: Cementos Argos’ says its sales volumes in the first half of 2020 were affected by coronavirus-related lockdown measures in Colombia and some countries of Central America and the Caribbean. These markets have since recovered gradually as quarantine measures were eased. Its revenue fell by 4.6% year-on-year to US$1.14bn in the first half of 2020 from 1.20bn in the same period in 2019. Cement and ready-mixed concrete (RMC) sales volumes declined by 15% to 6.79Mt and 19.9% to 4.05Mm3 respectively. Earnings before interest, taxation, depreciation and amortisation (EBITDA) dropped by 9.5% to US$200m.
“These results were driven mainly by the firm commitment of our employees in implementing the health and safety protocols and the saving initiatives contained within RESET (restart safe and healthy), together with the better-than-expected market dynamics particularly in the US and some of our markets in the Caribbean,” said Juan Esteban Calle, the group’s chief executive officer (CEO).
By region the group reported growing RMC sales and earnings, both on an adjusted basis, in the US in the second quarter of 2020. Cement volumes fell in the country, mainly due to lower cement sales volumes in the Northeast region, due to lockdown measures and reduced demand from the wholesale segment. In Colombia a complete national lockdown from the start of the second quarter reduced sales significantly. A mixed picture was presented in the Caribbean and Central America due to differences in government lockdown policy although overall sales and earnings were down.
Japan: A proposal by Mitsubishi Group on researching CO2 injection into concrete has been approved for a grant from the New Energy and Industrial Technology Development Organisation (NEDO). This joint project between Mitsubishi Group, Kajima Corporation, and Chugoku Electric Power aims to improve the existing technology so that it can be applied to the reinforced and cast-in-place concretes used in building construction. At present the group said that current carbon-recycling techniques are mainly used for unreinforced concretes, such as concrete blocks.
Mitsubishi Group has already been involved in the development of concrete projects that take advantage of carbon-recycling, including a zero-emission concrete called CO2-SUICOM. It added that carbon capture, utilisation and storage (CCUS) technologies, including carbon-recycling, are an excellent opportunity for the company to use its strengths between industries that both emit and use CO2.