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  2. Angle bracket (fastener) - Wikipedia

    en.wikipedia.org/wiki/Angle_bracket_(fastener)

    An angle bracket or angle brace or angle cleat is an L-shaped fastener used to join two parts generally at a 90-degree angle. It is typically made of metal but it can also be made of wood or plastic. Angle brackets feature holes in them for screws. A typical example use of is a shelf bracket for mounting a shelf on a wall. In general, angle ...

  3. Macaulay brackets - Wikipedia

    en.wikipedia.org/wiki/Macaulay_brackets

    Macaulay's notation also provides an easy way of integrating these discontinuous curves to give bending moments, angular deflection, and so on. For engineering purposes, angle brackets are often used to denote the use of Macaulay's method.

  4. Anchor bolt - Wikipedia

    en.wikipedia.org/wiki/Anchor_bolt

    For instance, seismic pull-out action on anchor can have 0.03 seconds of rise time. On the contrary, in a quasi-static test, 100 second may be assumed as time interval to reach the peak load. Regarding the concrete base failure mode: Concrete cone failure loads increase with elevated loading rates with respect the static one. [25]

  5. Swivel - Wikipedia

    en.wikipedia.org/wiki/Swivel

    A swivel joint for a pipe is often a threaded connection in between which at least one of the pipes is curved, often at an angle of 45 or 90 degrees. The connection is tightened enough to be water- or air-tight and then tightened further so that it is in the correct position.

  6. Expansion joint - Wikipedia

    en.wikipedia.org/wiki/Expansion_joint

    Control joints must have adequate depth and not exceed maximum spacing for them to be effective. Typical specifications for a four-inch-thick slab are: [8] 25% depth of material; spacing at 24 × to 36 × of slab depth (some specification call for a maximum of 30 ×) special care for inside corners

  7. Schmidt hammer - Wikipedia

    en.wikipedia.org/wiki/Schmidt_hammer

    The rebound reading will be affected by the orientation of the hammer: when used oriented upward (for example, on the underside of a suspended slab), gravity will increase the rebound distance of the mass, and vice versa for a test conducted on a floor slab. Schmidt hammer measurements are on an arbitrary scale ranging from 10 to 100.

  8. Man who attacked, then rescued, ex-wife hoped to be her hero

    www.aol.com/news/man-attacked-then-rescued-ex...

    Her assailant strangled her nearly unconscious twice. Morgan Metzer: It's the worst feeling in the world to think you're dying. And you feel like you're going to be tortured beforehand.

  9. Slotted angle - Wikipedia

    en.wikipedia.org/wiki/Slotted_angle

    Slotted angle (also sometimes referred to as slotted angle iron) is a system of reusable metal strips used to construct shelving, frames, work benches, equipment stands and other structures. The name derives, first, from the use of elongated slots punched into the metal at uniform intervals to enable assembly of structures fixed with nuts and ...

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