A truss bridge is a bridge whose load-bearing superstructure is composed of a truss, a structure of connected elements usually forming triangular units.The connected elements (typically straight) may be stressed from tension, compression, or sometimes both in response to dynamic loads.Truss bridges are one of the oldest types of modern bridges. The basic types of truss bridges shown in this.
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the whole deck can start to wobble under heavy wind loads. and im right on the coast. for the last 10 years weve been seeing more and more class 3 and 4 hurricanes. thats when they changed the code.
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Normally available code for deck design does not include placement of a hot tub on the deck. For example, see item 5 on page 2 of the International Residential Code 2006 edition deck design, which specifically states that the code does not apply to placement of hot tubs on decks.
Abutment - the outermost end supports on a bridge, which carry the load from the deck. Aluminum - a lightweight chemical element (Al); the most abundant metallic element in the Earth's crust