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2. Reinforced concrete - Wikipedia

   en.wikipedia.org/wiki/Reinforced_concrete

   (2) The thermal expansion coefficients of concrete and steel are so close (1.0 × 10 −5 to 1.5 × 10 −5 for concrete and 1.2 × 10 −5 for steel) that the thermal stress-induced damage to the bond between the two components can be prevented. (3) Concrete can protect the embedded steel from corrosion and high-temperature induced softening.

3. Formwork - Wikipedia

   en.wikipedia.org/wiki/Formwork

   Rebar has been stubbed up out of the concrete slab to form the base of future columns Timber formwork for a concrete column. Adjustable metal screw jacks both stabilize and plumb the form Aluminum formwork system Sketch of the side view of traditional timber formwork used to form a flight of stairs Placing a wall form. A matching form will be ...

4. Stairs - Wikipedia

   en.wikipedia.org/wiki/Stairs

   The CN Tower's staircase reaches the main deck level after 1,776 steps and the Sky Pod above after 2,579 steps; it is the tallest metal staircase on Earth. The Gemonian stairs were infamous as a place of execution during the early Roman Empire, especially during the period postdating Tiberius. [53]

5. The best stair lift for 2025: Chair lifts that make ... - AOL

   www.aol.com/lifestyle/best-stair-lift-134610076.html

   With 12.2% of Americans struggling to walk or climb stairs, a stair lift can make a major difference in accessibility at home. Those who face mobility issues, such as seniors, people recovering ...

6. Stringer - Wikipedia

   en.wikipedia.org/wiki/Stringer

   Stringer (aircraft), or longeron, a strip of wood or metal to which the skin of an aircraft is fastened; Stringer (slag), an inclusion, possibly leading to a defect, in cast metal; Stringer (stairs), the structural member in a stairway that supports the treads and risers; Stringer (surfing), a thin piece of wood running from nose to tail of a ...

7. Baluster - Wikipedia

   en.wikipedia.org/wiki/Baluster

   Common materials used in its construction are wood, stone, and less frequently metal and ceramic. A group of balusters supporting a handrail, coping, or ornamental detail is known as a balustrade. [1] [2] The term baluster shaft is used to describe forms such as a candlestick, upright furniture support, and the stem of a brass chandelier.