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2. Hold down (structural engineering) - Wikipedia

   en.wikipedia.org/wiki/Hold_down_(structural...

   A hold-down may also refer to clamping device used to anchor a pipe to a structural steel element or concrete floor or allow movement of the pipe in an axial direction. [1] At the bottom, the hold down is connected to the concrete foundation or structural slab by an embedded or epoxied anchor bolt. At the top, the hold down is connected to a ...

3. Formwork - Wikipedia

   en.wikipedia.org/wiki/Formwork

   For removable forms, once the concrete has been poured into formwork and has set (or cured), the formwork is struck or stripped to expose the finished concrete. The time between pouring and stripping depends on the job specifications, which include the cure required, and whether the form is supporting any weight; it is usually at least 24 hours ...

4. Slip forming - Wikipedia

   en.wikipedia.org/wiki/Slip_forming

   The first residential building of slipform construction; erected in 1950 in Västertorp, Sweden, by AB Bygging Later picture of the residential building in Västertorp. Slip forming, continuous poured, continuously formed, or slipform construction is a construction method in which concrete is placed into a form that may be in continuous motion horizontally, or incrementally raised vertically.

5. Structural support - Wikipedia

   en.wikipedia.org/wiki/Structural_support

   Structural members form systems and transfer the loads that are acting upon the structural systems, through a series of elements to the ground. Building Structure Elements include Line ( beams , columns , cables , frames or arches , space frames , surface elements (walls, slab or shells ) and Freeform.

6. Chuck (engineering) - Wikipedia

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

   A self-centering chuck, also known as a scroll chuck, [2] uses jaws, interconnected via a scroll gear (scroll plate), to hold onto a tool or workpiece. Because they most often have three jaws, the term three-jaw chuck without other qualification is understood by machinists to mean a self-centering three-jaw chuck.

7. Riser clamp - Wikipedia

   en.wikipedia.org/wiki/Riser_clamp

   A riser clamp is a type of hardware used by mechanical building trades for pipe support in vertical runs of piping (risers) at each floor level. The devices are placed around the pipe, and integral fasteners are then tightened to clamp them onto the pipe.

8. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

9. Nail (fastener) - Wikipedia

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

   5) concrete 6) spiral-shank 7) ring-shank (a used, bent "gun" nail, with barbs left over from the tool's feed system) Horseshoe nails Nail-maker's work-bench or anvil in a storeroom of the Black Country Living Museum Railroad spikes of the old Jezreel Valley railway (part of the Hejaz Railway ), found near Kfar Baruch (Israel) A capped nail for ...