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  2. Marcus' method - Wikipedia

    en.wikipedia.org/wiki/Marcus'_method

    Marcus's method is a structural analysis used in the design of reinforced concrete slabs. The method was developed by Henri Marcus and described in 1938 in Die Theorie elastischer Gewebe und ihre Anwendung auf die Berechnung biegsamer Platten . [ 1 ]

  3. Seismic retrofit - Wikipedia

    en.wikipedia.org/wiki/Seismic_retrofit

    A sideways shock can slide the building entirely off of the foundations or slab. Often such buildings, especially if constructed on a moderate slope, are erected on a platform connected to a perimeter foundation through low stud-walls called "cripple wall" or pin-up. This low wall structure itself may fail in shear or in its connections to ...

  4. Concrete cone failure - Wikipedia

    en.wikipedia.org/wiki/Concrete_cone_failure

    Under tension loading, the concrete capacity of a single anchor is calculated assuming an inclination between the failure surface and surface of the concrete member of about 35°. The concrete cone failure load N 0 {\displaystyle N_{0}} of a single anchor in uncracked concrete unaffected by edge influences or overlapping cones of neighboring ...

  5. Tilt up - Wikipedia

    en.wikipedia.org/wiki/Tilt_up

    Tilt-up, tilt-slab or tilt-wall is a type of building and a construction technique using concrete. Though it is a cost-effective technique with a shorter completion time, [ 1 ] poor performance in earthquakes has mandated significant seismic retrofit requirements in older buildings.

  6. Waffle slab foundation - Wikipedia

    en.wikipedia.org/wiki/Waffle_slab_foundation

    Waffle slab foundations adhere to International Building Code requirements. By 2008, most states put into effect the changes adopted in the 2006 IBC and, in regards to foundations, the on-grade mat foundation has become a more attractive design because, as an engineered system, it already accommodates the 2008 design recommendations, and required no major modifications to bring it into compliance.

  7. Shallow foundation - Wikipedia

    en.wikipedia.org/wiki/Shallow_foundation

    Slab-on-grade or floating slab foundations are a structural engineering practice whereby the concrete slab that is to serve as the foundation for the structure is formed from a mold set into the ground. The concrete is then placed into the mold, leaving no space between the ground and the structure.