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  2. Dowel bar retrofit - Wikipedia

    en.wikipedia.org/wiki/Dowel_bar_retrofit

    The dowels need to be smooth, round, epoxy and made of bond breaker coated steel conforming to requirements. The bond breaker is to be applied on all surfaces of the dowel bar. The expansion caps belong at each end of the dowel bar and the dowel bar support chairs are used to firmly hold the dowels centered in the slots during backfill operations.

  3. Dropped ceiling - Wikipedia

    en.wikipedia.org/wiki/Dropped_ceiling

    A dropped ceiling is a secondary ceiling, hung below the main (structural) ceiling. It may also be referred to as a drop ceiling, T-bar ceiling, false ceiling, suspended ceiling, grid ceiling, drop in ceiling, drop out ceiling, or ceiling tiles and is a staple of modern construction and architecture in both residential and commercial applications.

  4. Lift slab construction - Wikipedia

    en.wikipedia.org/wiki/Lift_slab_construction

    Lift slab construction (also called the Youtz-Slick Method) is a method of constructing concrete buildings by casting the floor or roof slab on top of the previous slab and then raising (jacking) the slab up with hydraulic jacks. This method of construction allows for a large portion of the work to be completed at ground level, negating the ...

  5. Dowel - Wikipedia

    en.wikipedia.org/wiki/Dowel

    A dowel plate. The traditional tool for making dowels is a dowel plate, an iron (or better, hardened tool steel) plate with a hole having the size of the desired dowel.To make a dowel, a piece of wood is split or whittled to a size slightly bigger than desired and then driven through the hole in the dowel plate.

  6. 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]

  7. Formwork - Wikipedia

    en.wikipedia.org/wiki/Formwork

    Typical widths are between 6 and 10 feet (1.8 and 3.0 m), typical lengths are between 12 and 20 feet (3.7 and 6.1 m), though table sizes may vary in size and form. The major distinction of this approach is that the tables are lifted either with a crane transport fork or by material platform elevators attached to the side of the building.

  8. Raised floor - Wikipedia

    en.wikipedia.org/wiki/Raised_floor

    An alternative raised floor application with disposable formworks from job site in Turkey A suction-cup tile lifter has been used to remove a tile.. A raised floor (also raised flooring, access floor(ing), or raised-access computer floor) provides an elevated structural floor above a solid substrate (often a concrete slab) to create a hidden void for the passage of mechanical and electrical ...

  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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