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2. Simpson Manufacturing Company - Wikipedia

   en.wikipedia.org/wiki/Simpson_Manufacturing_Company

   simpsonmfg.com. Simpson Manufacturing Company is an engineering firm and building materials producer in the United States that produces structural connectors, anchors, and products for new construction and retrofitting. The company was founded by Barclay Simpson in Oakland in 1956, as a successor to his father's window screen company. [1]

3. Anchor bolt - Wikipedia

   en.wikipedia.org/wiki/Anchor_bolt

   Column-to-foundation connection [1] Anchor bolts are used to connect structural and non-structural elements to concrete. [2] The connection can be made by a variety of different components: anchor bolts (also named fasteners), steel plates, or stiffeners. Anchor bolts transfer different types of load: tension forces and shear forces.

4. Powder-actuated tool - Wikipedia

   en.wikipedia.org/wiki/Powder-actuated_tool

   A powder-actuated tool (PAT, often generically called a Hilti gun or a Ramset gun after their manufacturing companies) is a type of nail gun used in construction and manufacturing to join materials to hard substrates such as steel and concrete. Known as direct fastening or explosive fastening, this technology is powered by a controlled ...

5. Prestressed concrete - Wikipedia

   en.wikipedia.org/wiki/Prestressed_concrete

   Prestressed beam with load. Prestressed concrete is a form of concrete used in construction. It is substantially "prestressed" (compressed) during production, in a manner that strengthens it against tensile forces which will exist when in service. [1][2]: 3–5 [3] This compression is produced by the tensioning of high-strength "tendons ...

6. Rail fastening system - Wikipedia

   en.wikipedia.org/wiki/Rail_fastening_system

   A rail fastening system is a means of fixing rails to railroad ties (North America) or sleepers (British Isles, Australasia, and Africa). The terms rail anchors, tie plates, chairs and track fasteners are used to refer to parts or all of a rail fastening system. The components of a rail fastening system may also be known collectively as other ...

7. Tie (engineering) - Wikipedia

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

   Tie (engineering) A hurricane tie used to fasten a rafter to a stud. A tie, strap, tie rod, eyebar, guy-wire, suspension cables, or wire ropes, are examples of linear structural components designed to resist tension. [1] It is the opposite of a strut or column, which is designed to resist compression. Ties may be made of any tension resisting ...