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2. Deck railing - Wikipedia

   en.wikipedia.org/wiki/Deck_railing

   Posts on a deck are also typically pressure treated wood and standard sizes are 4x4, 6x6, and 8x8. These posts give structural support to the railing assembly and are the most critical part for the safety of the guard rail assembly. In between the posts, two 2x4s are attached to the posts with screws for the best connection. The lower board is ...

3. Screw piles - Wikipedia

   en.wikipedia.org/wiki/Screw_piles

   Screw piles, sometimes referred to as screw-piles, screw piers, screw anchors, screw foundations, ground screws, helical piles, helical piers, or helical anchors are a steel screw-in piling and ground anchoring system used for building deep foundations. Screw piles are typically manufactured from high-strength steel [ 1] using varying sizes of ...

4. Pontoon bridge - Wikipedia

   en.wikipedia.org/wiki/Pontoon_bridge

   A pontoon bridge is a collection of specialized, shallow draft boats or floats, connected together to cross a river or canal, with a track or deck attached on top. The water buoyancy supports the boats, limiting the maximum load to the total and point buoyancy of the pontoons or boats. [ 2 ] The supporting boats or floats can be open or closed ...

5. Post (structural) - Wikipedia

   en.wikipedia.org/wiki/Post_(structural)

   Queen – 1) A pair of vertical posts in a roof system that are part of a truss, with a straining beam between and in tension holding up a tie beam or; 2) Two posts in a roof system not acting as a truss in the engineering sense and here in compression. [ 22] Also called a queen strut. Queen strut: 1) (U.K.)

6. Self-anchored suspension bridge - Wikipedia

   en.wikipedia.org/wiki/Self-anchored_suspension...

   Usually. A self-anchored suspension bridge is a suspension bridge type in which the main cables attach to the ends of the deck, rather than directly to the ground or via large anchorages. [1] The design is well-suited for construction atop elevated piers, or in areas of unstable soils where anchorages would be difficult to construct.

7. 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.