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  2. Harbin Y-12 - Wikipedia

    en.wikipedia.org/wiki/Harbin_Y-12

    The Y-12 has a maximum takeoff weight of 5,700 kg (12,600 lb) with seating for 17 passengers and two crew. The aircraft is operated as a light commuter and transport aircraft. [citation needed] The Y-12 (IV) received its type certificate from the FAA in March 1995, a first for an aircraft designed and produced in China.

  3. Rebar - Wikipedia

    en.wikipedia.org/wiki/Rebar

    Within the trades rebar is known by a shorthand utilizing the bar diameter as descriptor, such as "four-bar" for bar that is four-eighths (or one-half) of an inch. The cross-sectional area of a bar, as given by πr ², works out to (bar size/9.027)², which is approximated as (bar size/9)² square inches.

  4. Reinforced solid - Wikipedia

    en.wikipedia.org/wiki/Reinforced_solid

    The applied reinforcement yield stress is = 500 N/mm². The mass density of the reinforcing bars is 7800 kg/m 3. In the table is the computed brittle material stress. is the optimised amount of reinforcement.

  5. Reinforced concrete column - Wikipedia

    en.wikipedia.org/wiki/Reinforced_Concrete_Column

    Reinforcing rebar is placed axially in the column to provide additional axial stiffness. Accounting for the additional stiffness of the steel, the nominal loading capacity P n for the column in terms of the maximum compressive stress of the concrete f c ' , the yield stress of the steel f y , the gross cross section area of the column A g , and ...

  6. List of metric units - Wikipedia

    en.wikipedia.org/wiki/List_of_metric_units

    Metric units are units based on the metre, gram or second and decimal (power of ten) multiples or sub-multiples of these. According to Schadow and McDonald, [1] metric units, in general, are those units "defined 'in the spirit' of the metric system, that emerged in late 18th century France and was rapidly adopted by scientists and engineers.

  7. Anchorage in reinforced concrete - Wikipedia

    en.wikipedia.org/wiki/Anchorage_in_Reinforced...

    Reinforced concrete is concrete in which reinforcement bars ("rebars"), reinforcement grids, plates or fibers are embedded to create bond and thus to strengthen the concrete in tension. The composite material was invented by French gardener Joseph Monier in 1849 and patented in 1867. [1]

  8. 6 Heart-Healthy Foods You Should be Eating in January ... - AOL

    www.aol.com/lifestyle/6-heart-healthy-foods...

    Heart disease is the No. 1 cause of death in the U.S. Yet, according to the American Heart Association, half of Americans are unaware of this sobering statistic. The good news is that a diet ...

  9. Reinforced concrete - Wikipedia

    en.wikipedia.org/wiki/Reinforced_concrete

    Plastic reinforcement often is stronger, or at least has a better strength to weight ratio than reinforcing steels. Also, because it resists corrosion, it does not need a protective concrete cover as thick as steel reinforcement does (typically 30 to 50 mm or more). FRP-reinforced structures therefore can be lighter and last longer.