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  2. Double tee - Wikipedia

    en.wikipedia.org/wiki/Double_tee

    Double tees are connected during the construction without topping with concrete to create the parking structure floor surface. [6] A benefit of pre-topped double tees is a higher quality concrete for more durable surface to reduce traffic wears. Factories can produce the topping with minimum concrete strength of 5,000 psi. In some areas, the ...

  3. 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 ).

  4. Concrete - Wikipedia

    en.wikipedia.org/wiki/Concrete

    Concrete floor of a parking garage being placed Pouring and smoothing out concrete at Palisades Park in Washington, DC Workability is the ability of a fresh (plastic) concrete mix to fill the form/mold properly with the desired work (pouring, pumping, spreading, tamping, vibration) and without reducing the concrete's quality.

  5. Hollow-core slab - Wikipedia

    en.wikipedia.org/wiki/Hollow-core_slab

    The precast concrete slab has tubular voids extending the full length of the slab, typically with a diameter equal to the 2/3–3/4 the thickness of the slab. This makes the slab much lighter than a massive solid concrete floor slab of equal thickness or strength. The reduced weight also lowers material and transportation costs.

  6. Construction Specifications Institute - Wikipedia

    en.wikipedia.org/wiki/Construction...

    The CSI Project Delivery Practice Guide (PDPG) is the introductory volume in the Practice Guide Series. The PDPG presents an overview of the process needed to conceive, design, construct, and maintain a construction project. This Guide describes the many parts of that process and the inter-related roles of the various participants in the process.

  7. Construction estimating software - Wikipedia

    en.wikipedia.org/wiki/Construction_estimating...

    The level of collaboration, transparency, and information re-use enabled by Cost Estimating and Efficient Project Delivery Software drives 15-25%+ reductions in procurement cycles, six to ten times faster estimating, reduce overall project times, as a significant reduction in change orders and the virtual elimination of contract related legal ...

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