Some of the concrete around my landscaping and patio is deteriorating and needs repairs before it gets worse. What are some ...

Additives can reduce the amount of cement needed to make concrete, but do not solve the problem completely. Cement-makers are also looking at capturing the carbon their factories emit and ...

Start-up hopes to eliminate carbon emissions from global cement market 04:24. Cement is the most widely-used substance on Earth after water. When mixed with water, it forms concrete that becomes ...

The startup said that it’ll be using the new funding to build a massive facility near Dallas capable of pumping out 240,000 ...

Conventional concrete typically contains about 30% ordinary Portland cement paste by volume. Using less can make concrete harder to work with as it becomes stiffer.

The silica is used to directly replace 35-40% of the Portland cement used in concrete, while the magnesium is combined with carbon dioxide (CO2) to make magnesium carbonate, which can be then used ...

When combined with concrete production, this figure is even higher. Rotta Loria foresees putting some of that CO 2 back into concrete and cement to make more sustainable materials for construction and ...

Concrete is Earth’s second-most-used material behind water, creating about four times more CO2 emissions than planes. Some companies are trying to revolutionize the industry.