Basics of Trusses || Understanding Truss || Civil Engineering

#Truss #lectureontruss #civilengineering
A truss is a structural unit made from straight bars that form triangles or other stable, rigid shapes. The simplest form of a truss is a triangle. External forces and reactions to those forces are considered to be act only at the nodes and result in forces in the members which are either compressive or tensile forces. In truss, members should not be loaded transversely, loads should be applied at the joint of members so that no bending and shear forces will be generated on truss members.
In truss, joints are of pin joint type and can freely rotate about the pin. So, they cannot transfer moment.
Plane Truss:
A truss consisting of members which lie in-plane and are loaded in the same plane is called a truss.
Ex: Bridge truss, Roof truss.
Space truss:
In space truss nodes and members of space, the truss is extended into three dimensions.
Ex: Electric power transmission tower.
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