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  2. Binder (material) - Wikipedia

    en.wikipedia.org/wiki/Binder_(material)

    In building construction, concrete uses cement as a binder. Asphalt pavement uses bitumen binder. Traditionally straw and natural fibres are used to strengthen clay in wattle-and-daub construction and in the building material cob which would otherwise become brittle after drying. Sand is added to improve compressive strength, hardness and ...

  3. Calcium silicate hydrate - Wikipedia

    en.wikipedia.org/wiki/Calcium_silicate_hydrate

    Dicalcium silicate, which reacts more slowly, only contributes to late strength. Calcium silicate hydrate (also shown as C-S-H) is a result of the reaction between the silicate phases of Portland cement and water. This reaction typically is expressed as: 2 Ca 3 SiO 5 + 7 H 2 O → 3 CaO · 2 SiO 2 · 4 H 2 O + 3 Ca(OH) 2 + 173.6 kJ

  4. Concrete - Wikipedia

    en.wikipedia.org/wiki/Concrete

    If too much air becomes trapped in the concrete as a result of the mixing process, defoamers can be used to encourage the air bubble to agglomerate, rise to the surface of the wet concrete and then disperse. Bonding agents are used to create a bond between old and new concrete (typically a type of polymer) with wide temperature tolerance and ...

  5. What's the Actual Difference Between Cement and Concrete? - AOL

    www.aol.com/lifestyle/whats-actual-difference...

    You need two components to make concrete: A binding paste and aggregate materials. ... the cost of concrete is between $140 to $170 per cubic yard, ... Cement is a binding agent that you can use ...

  6. Cement - Wikipedia

    en.wikipedia.org/wiki/Cement

    Concrete is the most widely used material in existence and is behind only water as the planet's most-consumed resource. [ 2 ] Cements used in construction are usually inorganic , often lime - or calcium silicate -based, and are either hydraulic or less commonly non-hydraulic , depending on the ability of the cement to set in the presence of ...

  7. Remediation of contaminated sites with cement - Wikipedia

    en.wikipedia.org/wiki/Remediation_of...

    Stabilization refers to the chemical changes between the stabilizing agent (binding agent) and the hazardous constituent. These changes should include a less soluble, less toxic constituent with hindered mobility. [3] Common bonding agents include, but are not limited to, portland cement, lime, limestone, fly ash, slag, clay, and gypsum ...