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Concrete Incorporating 'CalCarbo', a Synthetic Calcium Carbonate that Fixes CO2, Adopted for the First Time in Public Works in Shiga Prefecture

NQ Score 81/100
N1 Content Completeness 9

AI Summary (NQ-processed)

Haikou Onoda Remicon, Idemitsu Kosan, and Nippon Concrete Industries have introduced concrete incorporating CalCarbo, which fixes CO2, into public river improvement projects in Shiga Prefecture for the first time.

AI Analysis

Frequently Asked Questions

Q: What is 'CalcarboⓇ'?
A: It is synthetic calcium carbonate that fixes CO2 from exhaust gas into waste (sludge) from concrete manufacturing.
Q: What are the benefits of using Calcarbo in concrete?
A: By replacing part of the cement, it reduces cement usage and contributes to CO2 emission reduction and waste reduction in the manufacturing process.
Q: Is the strength the same as regular concrete?
A: Yes, through the trial construction in this public works project, it has been confirmed to have sufficient strength as a civil engineering material.