Types Of Roof Trusses Slideshare
Unit 50 roof trusses roof trusses are commonly used in residential construction.
Types of roof trusses slideshare. Types of pitched roof lean to roof couple roof couple close roof collar and tie roof double or purlin roof king post truss queen post truss mansard truss bel fast truss steel truss single roof truss 11. A mono truss is a one sloped truss that forms a right angle triangle. Function roof trusses are used to carry and support the weight of the roof deck and any finish material used to cover the roof. Lean to roof shed roof it is used covering verandah sheds and outhouses connected to main building.
These are used for large spans and this is why you can encounter then in larger spaces which include auditoriums or even railway sheds. A point where the truss rests on a load bearing wall is known as a bearing point and a king post is a vertical support that divides the bottom chord on many types of trusses. To design both the members and the connections of a truss it is first necessary to determine the force developed in each member when the truss is subjected to a given loading. A mono truss roof allows for more sunlight and visual space proper drainage and relatively cheaper.
Rooflights in the slopes of symmetrical pitch roofs which are generally set in east and west facing slopes may cause discomfort through overheating in summers and disrupt. Powerpoint presentation unit 50 roof trusses truss types and components principles of truss design truss fabrication installing roof trusses truss safety 2. No insect infestations can occur. These types of trusses are created specifically for those of us that want to engage in a roof construction without having a large budget to begin with.
In roof trusses the roof load is transmitted to the truss at the joints by means of a series of purlins. Metal plate connectors fasten the truss components together. It s often used for sheds garages or extension of an existing roof. Roof structures and types of roofs 1.
Roopa chikkalgi 5 6. Types of mono trusses 1. Types of bridge trusses pratt bridge truss howe bridge truss baltimore bridge truss k bridge truss warren bridge truss bailey bridge truss. Parallel chord roof truss.
Provide thermal insulation 3. Chemical treatments are not necessary to maintain the trusses. Disadvantages of metal roof truss structures 1. To give a protective covering to the building so rain wind or snow may not damage the building functional requirements 1.
Provide good appearance 4. Metal roof trusses are recyclable and therefore environmentally friendly. Types of trusses trusses can be mainly divided into two types. One of the oldest and economical methods of covering large areas is the north light truss and lattice girders system.