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Concrete without cement?

Concrete without cement?
chemeurope.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from chemeurope.com Daily Mail and Mail on Sunday newspapers.

Yuya Sakai , Ahmad Farahani , University Of Tokyo , Institute Of Industrial Science , Industrial Science , பல்கலைக்கழகம் ஆஃப் டோக்கியோ , நிறுவனம் ஆஃப் தொழில்துறை அறிவியல் , தொழில்துறை அறிவியல் ,

"Behavior of Large-Scale Hybrid FRP-Concrete-Steel Multitube Concrete C" by C. W. Chan, M. Asce Yu et al.

Abstract
The combined use of a fiber-reinforced polymer (FRP) tube with steel and concrete to form hybrid structural members has attracted increasing research attention. Hybrid FRP-concrete-steel multitube concrete columns (MTCCs) are a new form of such members, comprising an external FRP tube and a number of internal steel tubes, with all the space inside the tubes filled with concrete. Hybrid MTCCs allow the use of small-scale standard steel tube products to construct large-scale columns, and these possess many advantages including excellent ductility, as demonstrated by recent studies. The existing studies on MTCCs, however, have been limited to the testing of small-scale specimens. For a new column form particularly suitable for large-scale construction, the potential size effect on the behavior of MTCCs needs to be clarified. This paper presents the first-ever experimental study on large-scale MTCCs through the testing of specimens with an outer diameter (for circular spe ....

Iber Reinforced Polymer Frp , Hybrid Columns , Arge Scale Columns , Ubular Columns ,

Building a more sustainable construction sector | Environment| All topics from climate change to conservation | DW

Concrete is one of the most widely used materials after water, yet it has a massive carbon footprint – accounting for about 8% of the world’s CO2 emissions. In order to achieve the goals of the Paris Agreement, annual emissions from concrete need to fall about 20% by the end of the decade. How can we reduce the environmental impact of this ubiquitous building material? ....

France General , Paris Agreement , Sustainable Building , பிரான்ஸ் ஜநரல் , நிலையான கட்டிடம் ,

CEMEX expands its network in France

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CEMEX has announced that it has signed an agreement to expand its network in France with the acquisition of aggregate assets in the North Paris Metropolitan area, as part of its strategy to enhance its vertically integrated positions near growing metropolises.
CEMEX will acquire certain assets of Eqiom Granulats, including two strategically located aggregate quarries and one rail-enabled platform that will improve customer service in Paris and surrounding areas.
This acquisition will allow us to better serve our customers by integrating and complementing our portfolio to provide a comprehensive and sustainable offering, directly aimed at the rapidly growing needs of the North Paris Metropolitan area, said Sergio Menendez, President of CEMEX Europe, Middle East, Africa & Asia. This is a clear example of the efforts that we are doing to foster EBITDA growth by investing in key high-growth urban centers worldwide. ....

France General , Africa Asia , Eqiom Granulats , Sergio Menendez , North Paris Metropolitan , Middle East , Value Chain , பிரான்ஸ் ஜநரல் , செர்ஜியோ மெனண்டெஸ் , நடுத்தர கிழக்கு , மதிப்பு சங்கிலி ,

Huaxin Cement's first-quarter net profit forecast to more than double in 2021 - Cement industry news from Global Cement

Huaxin Cement’s first-quarter net profit forecast to more than double in 2021
Written by Global Cement staff
12 April 2021
China: Huaxin Cement has forecast consolidated net profit growth of 104% - 111% year-on-year to US$55.7m – US$59.6m in the first quarter of 2021 from US$53.7m in the same period in 2020. The group said that cement volumes rose by 60% and concrete and aggregate volumes grew by over 200%. The cement producer has attributed the growth to the impact of coronavirus upon its business at the start of 2020.
Last modified on 14 April 2021 ....

Huaxin Cement , Corona Virus , கொரோனா வைரஸ் ,