Modern Long Span Roof Design

Long span roofs are generally defined as those that exceed 12 m in span.

Modern long span roof design. Since a mansard roof has such a unique design choosing a unique material could make the roof that much more special. Pitched roofs can take on various aesthetics that when detailed right can exude a modern feel. Also different architectural styles will use the same type of roof. They are commonly found in a wide range of building types such as factories warehouses agricultural buildings hangars large shops public halls gymnasiums and arenas.

But the complexity of long span design increases exponentially when snow load wind load seismic load deflection serviceability and the dead weight of the floor or roof system are all factored in. Architectural appeal drives the design of such structures but many factors working simultane ously and in varying degrees must be analyzed in long span design. For starters the gable roof is a very simple straightforward and functional design all modern characteristics. Long span roof are today widely applied for sport social industrial ecological and other.

Intricate roofs have many parts that incorporate several of the basic roof designs such as a gable roof sitting atop a gambrel or variations of the gable valley roof design using one or a variety of different types of roof trusses also see our very detailed diagrams showing the different parts of a roof truss. Special aspects of conceptual design decisions on long span structures. Long span roofs can create flexible column free internal spaces and can reduce substructure costs and construction times. The image below shows a cross section of our simple 12 x 13 house from the joist span tables section of this tutorial.

Roof area is 31 525 sq metres weight is 11 000 tons span at widest point 209 metres height is 85m from field level to highest point roofing material is pvc on insulated acoustic steel deck 100 of the field 91 of seating area exposed with the roof open pen close time 20 minutes 21m per minute. This is a very modern design that is aesthetically unique like viewing a butterfly in flight while looking on from the exterior. Continuing on from part 3. Apr 14 2014 explore sophia panova s board long span roofs on pinterest.

Here we have a wood framed gable roof. Floor beam span tables of residential structural design we will now look at roof rafter and beam design. A gable roof provides the opportunity for additional floor space in the roof volume like a loft or attic space. Using metal such as copper or zinc for the steep portion of the roof can be more expensive up front but will require much less maintenance down the road making it a good long term choice.

The design borrows some from the concept of the shed roof avoiding a slope on the backside to allow more natural light and functional space into the interior.