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  2. Category:2-10-4 locomotives - Wikipedia

    en.wikipedia.org/wiki/Category:2-10-4_locomotives

    Locomotives classified 2-10-4 under the Whyte notation of locomotive axle arrangements. The equivalent UIC classification of locomotive axle arrangements is 1E2 or 1'E2' . Pages in category "2-10-4 locomotives"

  3. 2-10-4 - Wikipedia

    en.wikipedia.org/wiki/2-10-4

    These came with 74 in (1,880 mm) diameter drivers and 310 psi (2.1 MPa) boiler pressure, making these ATSF 2-10-4 s the fastest and most modern of all. Of the original order of ten, five were oil-burning and five coal-burning, but when Santa Fe ordered 25 more for delivery in 1944, all were delivered equipped to burn oil.

  4. Seismic base isolation - Wikipedia

    en.wikipedia.org/wiki/Seismic_base_isolation

    The right one is equipped with a seismic base isolation LA City Hall, to be retrofitted with base isolation [1] [failed verification] [2] Seismic base isolation, also known as base isolation, [3] or base isolation system, [4] is one of the most popular means of protecting a structure against earthquake forces. [5]

  5. Engineering drawing abbreviations and symbols - Wikipedia

    en.wikipedia.org/wiki/Engineering_drawing...

    1. Center line, the central axis of a feature. 2. Class, for example, "paint per spec XYZ revision C type 1 class 2" may be abbreviated as "paint per spec XYZ REV C TY 1 CL 2" or even in some cases "paint per spec XYZ-C-1-2". (The latter practice is not uncommon but is cryptic for workers with minimal training and experience. The first two ...

  6. Caisson (engineering) - Wikipedia

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

    Schematic cross section of a pressurized caisson. In geotechnical engineering, a caisson (/ ˈ k eɪ s ən,-s ɒ n /; borrowed from French caisson 'box', from Italian cassone 'large box', an augmentative of cassa) is a watertight retaining structure [1] used, for example, to work on the foundations of a bridge pier, for the construction of a concrete dam, [2] or for the repair of ships.

  7. Strap footing - Wikipedia

    en.wikipedia.org/wiki/Strap_footing

    A strap footing is a component of a building's foundation. It is a type of combined footing, [1] consisting of two or more column footings connected by a concrete beam. This type of beam is called a strap beam. It is used to help distribute the weight of either heavily or eccentrically loaded column footings to adjacent footings. [2]

  8. The battle over AG1—the influencer-famous, $100-a ... - AOL

    www.aol.com/finance/battle-over-ag1-influencer...

    An origin story missing key details. Founded as Athletic Greens in 2010 by Ashenden, a fitness enthusiast and former police officer from New Zealand, AG1 epitomizes the kind of bootstrapped ...

  9. Grade beam - Wikipedia

    en.wikipedia.org/wiki/Grade_beam

    Grade beam. A grade beam or grade beam footing is a component of a building's foundation. It consists of a reinforced concrete beam that transmits the load from a bearing wall into spaced foundations such as pile caps or caissons. [1]