Technical Data Library

CarbonCure’s success and recognition was made possible through our collaboration with leading educational institutions and industrial research partners. Together we have published a vast library of technical data to support CarbonCure’s success.

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Ready Mix

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CarbonCure's effect on durability of concrete

Carbon dioxide was investigated for use as a beneficial admixture to concrete as it was truck mixed. Comparisons of the fresh, hardened and durability properties were made between a reference concrete batch, a batch that contained a conventional accelerating admixture, and three batches subjected to a carbon dioxide addition. The following conclusion were made:

  • The optimum dose of carbon dioxide was found to reduce the time to initial set by 40% and increase the one and three day compressive strengths by 14% and 10% respectively.
     
  • Concrete durability test results indicated that the carbon dioxide process did not compromise the expected durability performance of the treated concrete.
     
  • Carbon dioxide is a viable admixture to improve concrete performance.
 

Ready Mix Technology Case Study

This case study examines data provided by a CarbonCure producer partner who installed the CarbonCure Technology and used the system to produce concrete with an optimized dosage of CO2.

  • 45 000 yd3 of concrete were produced over an 8 month period using a 5% binder reduction in conjunction with an optimized dose of CO2.

  • The estimated cement savings exceeded 450 tonnes and more than 400 tonnes of CO2 emissions were avoided.

  • The use of the technology did not impact the producer’s cycle time; all operations continued as normal throughout this assessment.

 

Technical Notes


Differences between CarbonCure carbonation & weathering carbonation 

Concrete can be subjected to two distinct types of carbonation, weathering carbonation and early age carbonation. The CarbonCure Technology uses early age carbonation to sequester CO2 into concrete. The document explores both types of carbonation in more detail.


Impact of CO2 utilization on concrete pore solution pH

This document explains how the early age carbonation that takes place during the application of the CarbonCure Technology does not hinder the long-term development of the concrete microstructure as the concrete matures - including the pH of the pore solution.  

 

CarbonCure's effect on fresh concrete properties

This document outlines the beneficial reaction between carbon dioxide and freshly hydrating cement. A detailed explanation on the chemical process that takes place as CO2 is injected into fresh concrete is provided.


Overview of CarbonCure's ready mix technology system & plant integration

This document explains how the CarbonCure Technology can be easily integrated into any ready-mixed concrete facility with minimal disruption to regular production. The five main components of the CarbonCure Technology and with plant integration requirements are outlined.

 

Masonry

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Concrete Blocks Manufactured Using Sequestered Carbon Dioxide

Carbon dioxide was investigated for use as a beneficial admixture to concrete as it was truck mixed. Comparisons of the fresh, hardened and durability properties were made between a reference concrete batch, a batch that contained a conventional accelerating admixture, and three batches subjected to a carbon dioxide addition. The following conclusions were made:

  • In comparison to the CO2 batch, the conventional accelerator provided greater reductions in set time but lower early strength.
  • Concrete durability test results indicated that the carbon dioxide process did not compromise the expected durability performance of the treated concrete.
  • Carbon dioxide is a viable admixture to improve concrete performance.

Questions?

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