lightweight steel beam

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• Lightweight rail — is a particular class of railway characterized by low train weight. The term is a mode of expression for discussing the environmental importance of low train weight, and the implications of this concept will be discussed in the following.The term …   Wikipedia

• steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …   Universalium

• Open web steel joist — Open web steel joists holding up Q deck roof above. In structural engineering, the Open Web Steel Joist (OWSJ) is a lightweight steel truss consisting, in the standard form, of parallel chords and a triangulated web system, proportioned to span… …   Wikipedia

• Staggered truss system — The Staggered truss system is a type of structural steel framing used in high rise buildings. The system consists of a series of story high trusses spanning the total width between two rows of exterior columns and arranged in a staggered pattern… …   Wikipedia

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• Papercrete — is a recently developed construction material which consists of re pulped paper fiber with Portland cement or clay and/or other soil added. First patented in 1928, it has been revived since the 1980s. Although perceived as an environmentally… …   Wikipedia

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• Structural engineering — is a field of engineering dealing with the analysis and design of structures that support or resist loads. Structural engineering is usually considered a speciality within civil engineering, but it can also be studied in its own right. [cite… …   Wikipedia