310
Structure: Basic Design
Vertical loads will be transferred to the foundations through the solid walls
which typically surround the service bay.
311.2
LATERAL FORCE RESISTING ELEMENTS
Resistance to lateral forces is by shear elements which may be concrete
walls and/or braced frames (usually steel). These elements occur only at
the perimeter of service modules and, in some cases, their required
locations may be the major determinant of the size of these modules. The
shear elements are provided in two forms:
1. Two Dimensional. Walls in one direction.
2. Three Dimensional. Box-like towers containing walls in two directions
which enclose service bays, elevator towers and other permanent
elements, occurring at the perimeter of the service modules. The
towers may be capable of providing resistance in two directions. In the
longitudinal direction, lateral forces are typically transmitted to the
shear elements through girders or collectors as indicated in the
following diagram.
The solid wall and/or braced frame system of resisting lateral forces has
been selected for the reasons which are enumerated in Section 721.3.
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