Different minerals need to be mined in order to make cement. Limestone (containing the mineral calcite), clay, and gypsum make up most of it.  The US Geological Survey notes that cement raw materials, especially limestone, are geologically widespread and (luckily) abundant. Domestic cement production has been increasing steadily, from 66.4 million tons in 2010 to […]

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Abstract The digital image correlation (DIC) technique was applied to the analysis of displacement fields along the surface cracks of ultra-high-performance fiber-reinforced concrete (UHPFRC) under a bending load. Analysis was performed on the fiber bridging forces acting on a unit area of cracked sections belonging to different regions (perfect bonding region, partial debonding region, and […]

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Types of Cement and What They Do Portland Cement is a type of cement, not a brand name. Many cement manufacturers make Portland Cement.To find out more about what concrete is made of, concrete mix designs, admixtures, and water to cement ratios, read our section “What Is Concrete?” Type 1 – Normal portland cement. Type 1 […]

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