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  2. Power screed - Wikipedia

    en.wikipedia.org/wiki/Power_screed

    The screed moves back and forth, as friction screeds or "roller" screeds level the concrete, filling holes and lowering any high spots. [1] Power screeds can be powered by gas, electricity or hydraulics. [citation needed] In concrete, prior to the mix drying, the concrete should be smoothed out on the desired surface.

  3. Free floating screed - Wikipedia

    en.wikipedia.org/wiki/Free_floating_screed

    Adjusting screed settings will change the placement depth and width, as well as amount of material being placed. Many modern screeds can be run in an automatic mode, too. [1] Because the only connection between the asphalt paver and the screed is the tow arm, the screed can "float" vertically relative to the paver.

  4. Screed - Wikipedia

    en.wikipedia.org/wiki/Screed

    The screed on this paver spreads and smooths the asphalt.. Screed has three meanings in building construction: . A flat board (screed board, floating screed) or a purpose-made aluminium tool used to smooth and to "true" materials like concrete, stucco and plaster after they have been placed on a surface or to assist in flattening; [1]

  5. Laser level - Wikipedia

    en.wikipedia.org/wiki/Laser_level

    In surveying and construction, the laser level is a control tool consisting of a rotating laser beam projector that can be affixed to a tripod. The tool is leveled according to the accuracy of the device and projects a fixed red or green beam in a plane about the horizontal and/or vertical axis.

  6. Spancrete - Wikipedia

    en.wikipedia.org/wiki/Spancrete

    Spancrete produces precast, prestressed concrete products that are used in commercial, industrial, institutional, residential and multifamily construction projects in the Midwest and Southeast. The company also manufactures and sells hollowcore extrusion machines that are used to produce precast concrete internationally.

  7. Laser construction - Wikipedia

    en.wikipedia.org/wiki/Laser_construction

    Schematic diagram of a typical laser, showing the three major parts. A laser is constructed from three principal parts: An energy source (usually referred to as the pump or pump source), A gain medium or laser medium, and; Two or more mirrors that form an optical resonator.