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  2. Grout - Wikipedia

    en.wikipedia.org/wiki/Grout

    Grout is a dense fluid that hardens upon application and is used to fill gaps or as reinforcement in existing structures. [1] Grout is generally a mixture of water, cement, and sand, and is employed in pressure grouting, embedding rebar in masonry walls, connecting sections of precast concrete, filling voids, and sealing joints such as those ...

  3. Caulk - Wikipedia

    en.wikipedia.org/wiki/Caulk

    Caulk. Silicone -based caulk on this upturned bathroom sink will spread smoothly, sealing the gap, when the sink is turned over and installed. Caulk or caulking[1] is a material used to seal joints or seams against leakage in various structures and piping. The oldest form of caulk consisted of fibrous materials driven into the wedge-shaped ...

  4. Dowel bar retrofit - Wikipedia

    en.wikipedia.org/wiki/Dowel_bar_retrofit

    Use of heavy jackhammers (heavier than 14 kg class) tends to cause cracking of the concrete all around the slots. Lack of caulk or voids in the caulk put in the joints or cracks leads to cracks around the joints. Voids in the grout (especially below the dowel bar) can cause failure of the grout.

  5. Sealant - Wikipedia

    en.wikipedia.org/wiki/Sealant

    Sealant. Self-leveling silicone firestop system used around pipe through-penetration in a two-hour fire-resistance rated concrete floor assembly. Sealant is a substance used to block the passage of fluids through openings in materials, [1] a type of mechanical seal. In building construction sealant is sometimes synonymous with caulk (especially ...

  6. List of polyurethane applications - Wikipedia

    en.wikipedia.org/wiki/List_of_polyurethane...

    Polyurethane is the basis for some construction adhesives in a caulking tube format. [15] On the way to a new and better glue for bookbinders, a new adhesive system was introduced for the first time in 1985. The base for this system is polyether or polyester, whereas polyurethane (PUR) is used as prepolymer.

  7. Glossary of prestressed concrete terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_prestressed...

    The adhesion of concrete or grout to prestressing strands, wires or bars, or to unstressed reinforcement, either through friction or mechanical interlock. [1] : 9. bond strength. The resistance to separation of hardened concrete or grout from prestressing strands, wires or bars, or from unstressed reinforcement.

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