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  2. Precast concrete - Wikipedia

    en.wikipedia.org/wiki/Precast_concrete

    Precast concrete is a construction product produced by casting concrete in a reusable mold or "form" which is then cured in a controlled environment, transported to the construction site and maneuvered into place; examples include precast beams, and wall panels, floors, roofs, and piles.

  3. List of This Old House episodes (seasons 31–40) - Wikipedia

    en.wikipedia.org/wiki/List_of_This_Old_House...

    In the living room, Mark McCullough repairs the grand fireplace. He repoints the loose bricks and carefully mends the decorative clay mantel using new pieces that were precast from a mold taken from an unbroken part of the mantel. Outside, it’s time to build the back deck coming out the side door. Tommy and Norm frame it up.

  4. Waffle slab - Wikipedia

    en.wikipedia.org/wiki/Waffle_slab

    The grid is formed by the removal of molds after the concrete sets. This structure was designed to be more solid when used on longer spans and with heavier loads. [ 3 ] This type of structure, because of its rigidity, is recommended for buildings that require minimal vibration, like laboratories and manufacturing facilities. [ 3 ]

  5. Formwork - Wikipedia

    en.wikipedia.org/wiki/Formwork

    A matching form will be placed on the opposite side to create the space to pour concrete into. Formwork is molds into which concrete or similar materials are either precast or cast-in-place. In the context of concrete construction, the falsework supports the shuttering molds. In specialty applications formwork may be permanently incorporated ...

  6. Autoclaved aerated concrete - Wikipedia

    en.wikipedia.org/wiki/Autoclaved_aerated_concrete

    Autoclaved aerated concrete (AAC) is a lightweight, precast, cellular concrete building material. Developed initially in the mid-1920s, it has expanded into widespread use. Developed initially in the mid-1920s, it has expanded into widespread use.

  7. Accelerated curing - Wikipedia

    en.wikipedia.org/wiki/Accelerated_curing

    Accelerated curing is any method by which high early age strength is achieved in concrete.These techniques are especially useful in the prefabrication industry, wherein high early age strength enables the removal of the formwork within 24 hours, thereby reducing the cycle time, resulting in cost-saving benefits. [1]

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