Shell dimension

In the building industry , the shell dimension (also nominal dimension ) is the dimension that components or openings in components have in the shell state. In the case of openings, one also speaks of the shell light . The corresponding dimension in the completed building is called the expansion dimension .

Examples:

• A wall can have a rough construction dimension of 11.5 cm (this is the width of a standardized brick in the masonry ), in the finished state, however, the thickness is 14 cm (including plaster and paint), which is then called the expansion dimension.
• A door opening can be 88.5 cm wide, the clear width in the finished state is only 84 cm due to the door frame.

In the construction drawings , the shell dimensions are given. For types of construction without joints , the structural dimensions correspond to the standard dimensions . In the case of construction types with joints, the shell dimensions result minus the joints.

In modern steel and reinforced concrete structures, the standard dimensions are rarely used.

literature

• Dietrich Neumann, Ulrich Weinbrenner, Ulf Hestermann, Ludwig Rongen: Frick / Knöll - Building Design, Part 1. Wiesbaden: BG Teubner 2009. ISBN 978-3834808370