Types Of Steel Roof Trusses Pdf

Components of a steel roof truss.

Types of steel roof trusses pdf.

These trusses have a greater depth at the mid span. Total load psf duration factor live load psf roof type 55 1 15 40 snow shingle 55 1 15 30 snow tile 47 30 snow 40 20 snow 1 25 20. This type of truss is more commonly used for the roof of houses. Buy levitra cross gabled roof go across saddleback roof is a style that contains 2 or even more saddleback roof ridges that converge at an angle many frequently vertical to each other.

Alpine truss designs are engineered to meet specific span configuration and load conditions. The shapes and spans shown here represent only a fraction of the millions of designs produced by alpine engineers. In this type the members placed vertically are for compression whereas diagonal ones respond to the tension. Pratt trusses are basically of two types.

Column a structural element that usually carries its primary loads in compression or tension parallel its axis. Below are the common types of roof. Steel roof truss design example pdf cross gabled roof. 4 code the code of standard practice for steel buildings and bridges as published by the american institute of steel construction.

Double slope to the upper chord of a roof supporting truss this example shows a duo pitch truss single slope upper chord for these triangular trusses part of a saw tooth roof north oriented windows simply supported smaller spans range from 10 to 15 m fink truss. Studio two bearing points truss. This particular truss is made out of wood most of the time but it can also be built out of a combination of steel and wood. For many single storey buildings sloping roofs on trusses are common.

Pratt truss with secondary members. 3 0 configuration of trusses 3 1 pitched roof trusses most common types of roof trusses are pitched roof trusses wherein the top chord is provided with a slope in order to facilitate natural drainage of rainwater and clearance of dust snow accumulation. As the name implies this roof appears flat in structure although it is always pitched at a wider angle to allow water runoff. This truss is ideal to use in buildings that have a span of around 20 to 100 meter.

This type of steel roof truss design example pdf is typically seen in structures with an extra intricate format as an example houses with an affixed garage.