steel reinforced composite
81T. V. S. R. Appa Rao — T.V.S.R. Appa Rao is a scientist from India. He is an Emeritus Scientist with over 40 years of experience in Research Development in the areas of structural analysis design, testing, and failure investigations including those due to natural… …
82Epoxy — In chemistry, epoxy or polyepoxide is a thermosetting epoxide polymer that cures (polymerizes and crosslinks) when mixed with a catalyzing agent or hardener . Most common epoxy resins are produced from a reaction between epichlorohydrin and… …
84History of structural engineering — The history of structural engineering dates back to at least 2700 BC when the step pyramid for Pharaoh Djoser was built by Imhotep, the first engineer in history known by name. Pyramids were the most common major structures built by ancient… …
85Ballistic vest — A ballistic vest is an item of protective clothing that absorbs the impact from gun fired projectiles and shrapnel fragments from explosion. This protection is for the torso. Soft vests are made from many layers of woven or laminated fibers and… …
86Bicycle wheel — For the Marcel Duchamp installation, see Bicycle Wheel. The front wheel from a racing bicycle made using a Mavic rim …
87industrial glass — Introduction solid material that is normally lustrous and transparent in appearance and that shows great durability under exposure to the natural elements. These three properties lustre, transparency, and durability make glass a favoured… …
88Properties of concrete — Concrete has relatively high compressive strength, but significantly lower tensile strength, and as such is usually reinforced with materials that are strong in tension (often steel). The elasticity of concrete is relatively constant at low… …
89Nanyang Fleet — The Nanyang Fleet (南洋水師) was one of the four modernised Chinese navies in the late Qing Dynasty. Established in the 1870s, the fleet suffered losses in the Sino French War, escaped intact in the Sino Japanese War, and was formally abolished in… …
90Charles H. Roe — A November 1978 built Roe body on a Leyland Atlantean AN68A/1R, new to South Yorkshire PTE as their 1633, pictured in Manchester with Citybus Charles H. Roe Ltd. was a Yorkshire coachbuilding company. It was for most of its life based at… …
