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  2. Construction of One World Trade Center - Wikipedia

    en.wikipedia.org/wiki/Construction_of_One_World...

    On November 18, 2006, 400 cubic yards (310 cubic meters) of concrete were poured onto the foundation of the One World Trade Center, carried by as many as 40 trucks. On December 17, 2006, a ceremony was held in Battery Park City , with the public invited to sign a 30-foot (9.1 m) steel beam. [ 6 ]

  3. Precast concrete - Wikipedia

    en.wikipedia.org/wiki/Precast_concrete

    A precast concrete walled house under construction An example of low-quality precast concrete with exposed dowels, connectors, indications of cracks, and malformations, even during its installation, Barangay Lantic, Carmona, Cavite, Philippines Interior view of the walls, supports, and roof of a precast commercial shop in Williston, North Dakota, US.

  4. Foundation (engineering) - Wikipedia

    en.wikipedia.org/wiki/Foundation_(engineering)

    Another common type of shallow foundation is the slab-on-grade foundation where the weight of the structure is transferred to the soil through a concrete slab placed at the surface. Slab-on-grade foundations can be reinforced mat slabs, which range from 25 cm to several meters thick, depending on the size of the building, or post-tensioned ...

  5. In Texas, watering your home’s concrete foundation can save ...

    www.aol.com/news/texas-watering-home-concrete...

    This movement compresses the foundation, often creating cracks on the concrete. This weakens the structure. Another byproduct of the heat is it can cause a foundation to sink to the ground.

  6. Underpinning - Wikipedia

    en.wikipedia.org/wiki/Underpinning

    This is one of the most common types of foundations suffering from subsidence-related damage and according to the Building Research Establishment subsidence database, mass concrete underpinning was the most common underpinning and was often applied only to part of a building. If the soils have a low bearing capacity partial underpinning may ...

  7. Construction of the World Trade Center - Wikipedia

    en.wikipedia.org/wiki/Construction_of_the_World...

    From the 7th floor to the ground level, and down to the foundation, the columns were spaced 10 feet (3.0 m) apart to accommodate doorways. [ 104 ] [ 93 ] All columns were placed on bedrock , which, unlike that in Midtown Manhattan, where the bedrock is shallow, is at 65–85 feet (20–26 m) below the surface.

  8. 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.

  9. Concrete leveling - Wikipedia

    en.wikipedia.org/wiki/Concrete_leveling

    In civil engineering, concrete leveling is a procedure that attempts to correct an uneven concrete surface by altering the foundation that the surface sits upon. It is a cheaper alternative to having replacement concrete poured and is commonly performed at small businesses and private homes as well as at factories, warehouses, airports and on roads, highways and other infrastructure.

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