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  2. Underpinning - Wikipedia

    en.wikipedia.org/wiki/Underpinning

    The original foundation isn't strong or stable enough. The usage of the structure has changed. The properties of the soil supporting the foundation may have changed (possibly through subsidence) or were mischaracterized during design. The construction of nearby structures necessitates the excavation of soil supporting existing foundations.

  3. 9 Types of Home Additions That Add the Most Value—And What ...

    www.aol.com/lifestyle/9-types-home-additions-add...

    Room Addition (Bump-Out) Cost Estimate: $10,000 to $50,000+ Best for: Just about anyone A room addition, often called a bump-out, involves building a new room attached to your existing layout or ...

  4. Concrete slab - Wikipedia

    en.wikipedia.org/wiki/Concrete_slab

    In many domestic and industrial buildings, a thick concrete slab supported on foundations or directly on the subsoil, is used to construct the ground floor. These slabs are generally classified as ground-bearing or suspended. A slab is ground-bearing if it rests directly on the foundation, otherwise the slab is suspended. [3]

  5. House raising - Wikipedia

    en.wikipedia.org/wiki/House_raising

    The process is the first step in structure relocation in which the building is moved to a different location. [1] House raising may also be a part of a renovation to build a foundation under an existing house or make a house larger by adding a new floor level. Often employed in areas that are prone to flooding and storm damage, this process can ...

  6. Home improvement - Wikipedia

    en.wikipedia.org/wiki/Home_improvement

    The concept of home improvement, home renovation or remodeling is the process of renovating, making improvements or making additions to one's home. [1] Home improvement can consist of projects that upgrade an existing home interior (such as electrical and plumbing), exterior (masonry, concrete, siding, roofing) or other improvements to the property (i.e. garden work or garage maintenance ...

  7. Voided biaxial slab - Wikipedia

    en.wikipedia.org/wiki/Voided_biaxial_slab

    Compared to traditional solid slabs, the reduced self-weight of biaxial slabs allows for longer spans and/or reduced deck thickness. The overall mass of concrete can be reduced by 35–50% depending on the design, [ 1 ] as a consequence of reduced slab mass, as well as lower requirements for vertical structure and foundations.