<b:includable id='main' var='thiswidget'>
[insert whatever content you want here]
</b:includable>
1.2.1 Roofing and wall material In India, corrugated galvanized iron (GI) sheets are usually adopted as coverings for roofs and sides of industrial buildings. Light gauge cold-formed ribbed steel or aluminium decking can also be used. Sometimes asbestos cement (AC) sheets are also provided as roof coverings owing top their superior insulating properties. 1.2.4 Purlins, Girts and Eave strut Secondary structural members such as purlins and girts span the distance between the primary building structures portal frames or truss-column system). They support the roof and wall covering and distribute the external load to the main frames or trusses. Purlins form a part of the roof bracing system and girts are a part of the wall bracing system of the building. The third type of secondary structural member is the Eave strut. This member is located at the intersection of the roof and the exterior wall and hence acts as both the first purlin and the last (highest) girt. The building’s eave he...
Comments
Post a Comment