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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 ...
Screw piles are typically manufactured from high-strength steel [1] using varying sizes of tubular hollow sections with helical flights. The pile shaft transfers a structure's load into the pile. Helical steel plates are welded to the pile shaft to suit the site specific ground conditions. Helices can be press-formed to a specified pitch or ...
A pile driver is a heavy-duty tool used to drive piles into soil to build piers, bridges, cofferdams, and other "pole" supported structures, and patterns of pilings as part of permanent deep foundations for buildings or other structures. Pilings may be made of wood, solid steel, or tubular steel (often later filled with concrete), and may be ...
A variety of different types of heavy-duty clips are used to fasten the rails to the underlying baseplate, one common one being the Pandrol fastener (Pandrol clip), named after its maker, which is shaped like a stubby paperclip. [40] Another one is the Vossloh Tension Clamp. [41] Clips are an alternative to spikes.
It is a combination of different materials or different shaped materials such as pipe and H-beams or steel and concrete. 'Pile jackets' encasing old concrete piles in a saltwater environment to prevent corrosion and consequential weakening of the piles when cracks allow saltwater to contact the internal steel reinforcement rods
The last are used in concrete-steel composite structures as shear connectors. [6] Other uses include anchoring machines to poured concrete floors [ 7 ] and buildings to their concrete foundations. Various typically disposable aids, mainly of plastic, are produced to secure and align cast-in-place anchors prior to concrete placement.