Folded Plate Roof Detail

The first folded plate roofs were used in germany in the 1920 s mainly for very large factory buildings such as coal bunkers.

Folded plate roof detail.

This technique originated in germany in the 1920s and became popular in russia and the united states during the 1930s to construct roofs for industrial warehouses and public buildings. Ply sealant and fold the side flaps in and the top flaps down to cap off the ends. Since one of the assumptions made in folded plate roof deaign is that the supporting members diaphragms beama frames etc are infi nltely stiff. Factors that influence flashing size shape and endlap requirements.

Folded plate structures are assemblies of flat plates or slabs inclined in different directions and joined along their longitudinal edges. They can be best described as assemblies that consist of flat slabs or plates that are inclined in different directions and are joined along their edges at the top. In their own. The construction method and design rationale as developed in china are be.

Edge supported folded plates. They are transported flat then opened to the desired angle during erection with joints formed and cast in place to unify the structure. The center to center longitudinal span is forty 40 feet and in the transverse direction the columns are spaced at ten 10 feet on centers. You will then take the huge piece of rubber spread it carefully in place and then take the additional overlap and fold it back on itself.

The goal is to cut a piece that is big enough to cover the roof as well as leave an additional 9 inches around the entire roof. This type of ceiling called trofdek patented in england is a miniature version of the folded structure. Planes folded plate structures continuous over two spans longi. The slab between columns must be designed as a beam and it may be convenient to extend the main roof slab as a cantilever canopy.

Some roof conditions such as valleys may require a longer endlap and or a larger flashing to properly drain moisture from the roof. Planes and completely flexible normal to their. It consists of a four bay folded plate structure carried by ten 10 concrete columns originally intended to cover a parking space for eight standard size vehicles with access from both ends. Secure with pop rivets or stitch screws.

Folded plate roofs are roofing systems chosen for their high weight bearing capacity and their durability. Precast prestressed folded plate roof elements are cast flat with hinges between panels. The usual upturned edge plate can be eliminated and the roof structure can be made to appear very thin if the edge plate is replaced by a series of columns.