The shell emerged as a major long span concrete structure after world war ii.
Shell roof details.
A concrete shell also commonly called thin shell concrete structure is a structure composed of a relatively thin shell of concrete usually with no interior columns or exterior buttresses the shells are most commonly flat plates and domes but may also take the form of ellipsoids or cylindrical sections or some combination thereof.
When the inside of the building is required to be open without any walls or pillars then the shell roof is very useful than flat or even pitched roof.
A shell roof is a common type of roof that is made from thin material.
The shells roofs are lighter in weight and save reinforcing steel and concrete.
Shell structure in building construction a thin curved plate structure shaped to transmit applied forces by compressive tensile and shear stresses that act in the plane of the surface they are usually constructed of concrete reinforced with steel mesh see shotcrete shell construction began in the 1920s.
The first concrete shell dates back to the 2nd century.
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Shell roof designing buildings wiki share your construction industry knowledge.
The roof is curved and used to cover large one story buildings.