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  2. Precast concrete - Wikipedia

    en.wikipedia.org/wiki/Precast_concrete

    The two gray circles are covers to close the lifting anchor holes. Precast concrete building components and site amenities are used architecturally as fireplace mantels, cladding, trim products, accessories and curtain walls. Structural applications of precast concrete include foundations, beams, floors, walls and other structural components.

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  4. Concrete slab - Wikipedia

    en.wikipedia.org/wiki/Concrete_slab

    A concrete slab is a common structural element of modern buildings, consisting of a flat, horizontal surface made of cast concrete. Steel-reinforced slabs, typically between 100 and 500 mm thick, are most often used to construct floors and ceilings, while thinner mud slabs may be used for exterior paving (see below). [1] [2]

  5. Prestressed concrete - Wikipedia

    en.wikipedia.org/wiki/Prestressed_concrete

    Heavily loaded concrete ground-slabs and pavements can be sensitive to cracking and subsequent traffic-driven deterioration. As a result, prestressed concrete is regularly used in such structures as its pre-compression provides the concrete with the ability to resist the crack-inducing tensile stresses generated by in-service loading.

  6. Voided biaxial slab - Wikipedia

    en.wikipedia.org/wiki/Voided_biaxial_slab

    Slabs are one of the greatest consumers of concrete in many buildings, [14] so reducing the slab mass can make a relatively large difference to the environmental impact of a building's construction. Biaxial slabs may be marginally cheaper than solid slabs, partly due to the lower mass.

  7. $8.22 at amazon.com. While you’ve probably heard of The Old Farmer’s Almanac, you may not know that it’s a publication that was founded by Robert B. Thomas in 1792 in Grafton, Massachusetts ...

  8. Woodbury Granite Company - Wikipedia

    en.wikipedia.org/wiki/Woodbury_Granite_Company

    The Woodbury Granite Company (WGC) was a producer of rough and finished granite products. Incorporated in 1887, purchased and significantly reorganized in 1896, and expanded by merger in 1902 and thereafter, the company operated quarries principally in Woodbury, Vermont, but its headquarters and stone-finishing facilities were located in nearby Hardwick.

  9. On Today's Date: The Tuscaloosa, Alabama, Tornado You ... - AOL

    www.aol.com/news/todays-date-tuscaloosa-alabama...

    Among infamous Alabama tornadoes, you may first think of the iconic EF4 tornado shown live as it ripped through Tuscaloosa during the April 2011 Super Outbreak.. But on December 16, 2000, 24 years ...