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More notable, however, is the extremely high ultimate strain value of 5.6% when compared to most FRC's ultimate strain values ranging in the few hundredths of a percent. The first crack stress and first crack strain values are significantly low compared to normal concrete, both the result of the multiple crack phenomenon associated with HPFRCCs.
The analysts added Quikrete seemed most interested in Summit's cement and ready-mix operations. The transaction is expected to close in the first half of 2025. Shares of Summit fell about 1.7% in ...
Their addition allows to decrease the water-to-cement ratio of concrete or mortar without negatively affecting the workability of the mixture. It enables the production of self-consolidating concrete and high-performance concrete. The water–cement ratio is the main factor determining the concrete strength and its durability. Superplasticizers ...
The embodied carbon of a precast concrete facade can be reduced by 50% when using the presented fiber reinforced high performance concrete in place of typical reinforced concrete cladding. [139] Studies have been conducted about commercialization of low-carbon concretes.
Rinker Group was acquired by CEMEX, the world's third-largest cement producer, through its subsidiary CEMEX Australia Pty Ltd. in a US$14.2 billion takeover bid. As of June 2007, CEMEX owned a 67.3% stake in Rinker Group.
Ultra-high-performance concrete is a new type of concrete that is being developed by agencies concerned with infrastructure protection. UHPC is characterized by being a steel fibre-reinforced cement composite material with compressive strengths in excess of 150 MPa, up to and possibly exceeding 250 MPa.