Building Technology 5: Shell Structures

Folded Plate Domes

• A folded plate dome is a shell structure made up of a series of interconnected flat plates, forming a curved surface.
• Folded plate domes with small angles between the plates are generally stiffer and stronger than those with large angles.
• Domes with large angles are often more aesthetically pleasing.

Translation Shells

• A translation shell is generated by a line that moves along a curved path.
• The shape of the shell is determined by the path of the line and the direction of its movement.

Shell Stresses

• Stresses in a translation shell are greatest at the top and decrease towards the base.

Advantages of Warped Surfaces

• Warped surfaces in shell structures allow for more efficient use of material and can distribute loads more effectively.

Types of Wrapped Surfaces

• A hyperbolic paraboloid is a common example of a wrapped surface used in shell structures.

Combinations of Shell Structures

• A combination of shell structures can be used to create complex and visually interesting forms.

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Main Topic

• The text focuses on the design and construction of shell structures.

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