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FEMA P55 Coastal Construction Manual, Fourth Edition - Mad Cad

FEMA P55 Coastal Construction Manual, Fourth Edition - Mad Cad

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9 DESIGNING THE BUILDING Volume II<br />

Figure 9-23.<br />

Example of two-story<br />

platform framing on a<br />

pile-and-beam foundation<br />

Figure 9-6. Options for end walls are hip roofs, continuous masonry gables, and braced gable frames. Details<br />

and design tables for all of the above can be found in ICC 600-2008. Figure 9-24 is an example of masonry<br />

wall construction in a two-story building.<br />

9.2.5.3 Moment-Resisting Frames<br />

Over the past few decades, an increasing number of moment-resisting frames have been built and installed in<br />

coastal homes (Hamilton 1997). The need for this special design is a result of more buildings in coastal high<br />

hazard areas being constructed with large glazed areas on exterior walls, with large open interior areas, and<br />

with heights of two to three stories. Figure 9-25 shows a typical steel moment frame.<br />

Large glazed areas pose challenges to the designer because they create:<br />

Large openings in shear walls<br />

Large deflection in shear walls<br />

Difficulties in distributing the shear load to the foundation<br />

9-28 COASTAL CONSTRUCTION MANUAL

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