The First Truss Structure Appeared Early in 1570

In modern times,China mobile crusher there are a lot of structural forms. And furthermore, even more structural forms are developing. However, post and lintel, arch,China mobile crusher cantilever and truss are still the most widely used so far. Today my topic is truss structure.

Truss structure is a kind of plane or spatialChina vibrating feeder font-size: 12pt">lattice structure made up of several poles, which isdeveloped from variable configuration system. It is mostly used in the roof and bracket of civilian house and industrial plant, as well as some bridges and crane supports.

In foreign countries,China vibrating feeder the first truss structure was proposed by an Italian called Andrea Palladio in 1570, which was a king post truss. Unfortunately, it was neglected. Until in 1758, almost two hundred years later, Ulric Grubenmann,Aggregate jaw crusher a swiss, built the first wooden truss over theRhine whose span is 52 meters. In China, truss was first proposed in The Riverside Scene at Qingming Festival in Northern Song Dynasty.

Aggregate jaw crusher font-size: 12pt">There are lots of classification methods of truss. According to the connection of each two poles, truss could be divided into pin-connected truss and rigid truss. Compared with rigid truss, pin-connected truss is more used in Aggregate jaw crusher color: windowtext; font-size: 12pt">building construction. According to the materials, it could be divided into steel truss,reinforced concrete truss, wooden truss and some combined truss. And also it could be divided into triangle Truss,ladder Truss,parallel chord truss,and polygon and so on according to the appearance.

Aggregate jaw crusher：www.hxjqcrusher.com/crusher/Stone-jaw-crusher.html
china jaw crusher：www.hxjqcrusher.com/Jaw-crusher.html
china jaw crusher：www.hxjqcrusher.com/Jaw-crusher.html