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  2. Moody chart - Wikipedia

    en.wikipedia.org/wiki/Moody_chart

    In engineering, the Moody chart or Moody diagram (also Stanton diagram) is a graph in non-dimensional form that relates the Darcy–Weisbach friction factor f D, Reynolds number Re, and surface roughness for fully developed flow in a circular pipe. It can be used to predict pressure drop or flow rate down such a pipe.

  3. International roughness index - Wikipedia

    en.wikipedia.org/wiki/International_roughness_index

    Roughness progression for a road in Texas, US. Blue dots show the times of maintenance. The international roughness index (IRI) is the roughness index most commonly obtained from measured longitudinal road profiles. It is calculated using a quarter-car vehicle math model, whose response is accumulated to yield a roughness index with units of ...

  4. Texas land survey system - Wikipedia

    en.wikipedia.org/wiki/Texas_land_survey_system

    Texas, along with the original thirteen states and several others in the Southwest which were originally deeded with Spanish land grants, does not use the Public Land Survey System [1] (also known as the Section Township Range and the Jeffersonian System). Land grants from the state of Texas to railroad companies were often patented in blocks ...

  5. Concrete block - Wikipedia

    en.wikipedia.org/wiki/Concrete_block

    A pallet of "8-inch" concrete blocks An interior wall of painted concrete blocks Concrete masonry blocks A building constructed with concrete masonry blocks. A concrete block, also known as a cinder block in North American English, breeze block in British English, or concrete masonry unit (CMU), or by various other terms, is a standard-size rectangular block used in building construction.

  6. File:Darcy Friction factor for Re between 10 and 10E8 for ...

    en.wikipedia.org/wiki/File:Darcy_Friction_factor...

    English: The Darcy friction factor versus Reynolds Number for 10 < Re < 10E8 for smooth pipe and a range of values of relative roughness ε/D. Data are from Nikuradse (1932, 1933), Colebrook (1939), and McKeon (2004).

  7. Connect Housing Blocks bring modular construction to ... - AOL

    www.aol.com/connect-housing-blocks-bring-modular...

    Nearly 200 of the blocks will be stacked, Lego-like, to form the four-story Trolley Apartments on the corner of Kelton Avenue and Oak Street, across from the Trolley District, which DeHays developed.

  8. 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.

  9. Compressed earth block - Wikipedia

    en.wikipedia.org/wiki/Compressed_earth_block

    A compressed earth block (CEB), also known as a pressed earth block or a compressed soil block, is a building material made primarily from an appropriate mix of fairly dry inorganic subsoil, non-expansive clay, sand, and aggregate. Forming compressed earth blocks requires dampening, mechanically pressing at high pressure, and then drying the ...