دانلود رایگان پاورپوینت خرپا (انگلیسی)

Structures-Trusses
Objectives
Introduction
Definition of a Truss
Plane and Space Trusses
Truss Stability
Types of a Trusses
Examples of Trusses
A wooden Roof Truss
Examples of Trusses
A Bridge Truss
A railway Bridge Truss
Space truss (towers)
Simple Trusses
Analysis of Simple Trusses

Plane and Space Trusses
Plane Trusses: Plane trusses are composed of members that lie in the same plane and are frequently used for bridge and roof support.
Space Trusses: Space trusses are composed of members that extent in three dimensions and are suitable for derricks (a type of crane) and towers.