Folded Plate Roof Construction Details

By combining these elements we get different forms resulting in a variety of shapes and remarkable architectural expression.

Folded plate roof construction details.

The analysis and design of folded plates. In this way the structural system is capable of carrying loads without the need for additional supporting beams along mutual edges. 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. Engineer eudene freyssinet performed the first roof with the folded structure in 1923 as an aircraft hangar at orly airport in paris.

They will make you physics. Based on geometric shape folded structures can be divided into fig. Folded plate construction is less material intensive than other types of roofing systems used for industrial or commercial applications which also means that folded plate roofs are cheaper. Folded plate construction designing buildings wiki share your construction industry knowledge.

Edge supported folded plates. A plywood folded plate is a structural component consisting of a number of diaphragms made of plywood skin and sawn timber frame connected to form a series of vee beams. Folded plate surfaces folded plate frames. To span 30 m shell thickness required is 60 mm only.

Folding plate is a light but stiff form of roofing capable of carrying all normal roof ioads. The popularity of folded plate roof structures has prompted a study to be made of an 8 plate simply supported roof system. Terminology and construction details are illustrated in figure 1. Very light form of construction.

The use of concrete as a building material reduces both materials. Calculate one way slab moments in foot pounds as it were fully supported at every ridge and valley. Folded plate roofs are also easy to assemble which further reduces the related costs and shortens installation time as well. Lectures by walter lewin.

The models were loaded until pronounced yielding had taken place. 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. Folded plate structures are assemblies of flat plates or slabs inclined in different directions and joined along their longitudinal edges. Forming a folded construction can be of various shapes.

As you read them also examine the details on figure 4 1 a through e. Step 1 figure 4 1a consider an imaginary one foot strip cut along the center line of the proposed folded plate. Rectangular trapezoidal or trian gular. Introduction to folded plate structure system.

Folded plate roof design construction code ofchina 2 and the aci 318 code 4 the specifications for materials used to develop the upper part of table 1 are given above with other construc tion details.