Gable Trusses. A variety of the trusses shown above fit into the common or gable truss category, including the King Post, Queen Post, Howe, and Double Howe trusses. …
A Howe truss is a truss bridge consisting of chords, verticals, and diagonals whose vertical members are in tension and whose diagonal members are in compression. The Howe truss was invented by William Howe in 1840, and was widely used as a bridge in the mid to late 1800s.
From Longman Dictionary of Contemporary English ˈlighting rig noun [countable] a structure that holds the lights for a stage in a theatre, at an outdoor concert etcExamples from the Corpuslighting rig• We carry a lighting rig as big as Lollapalooza.
Selective visibility: The ability to see what is occurring on stage. Any lighting design will be ineffective if the viewers cannot see the characters, unless this is the explicit intent.
What is steel roof truss? A steel roof truss is essentially a triangulated system of straight interconnected structural elements. The individual elements are joined at the nodes by welding. The external forces applied to the system and the reactions at the supports are generally applied at the nodes.
Lightweight, easy to build and transport, the maximum span can reach more than 30 meters, the aluminum is extremely resistant to compression, corrosion and durability.