Strap footing design (design of concrete structure)
Strap footing design
Introduction: Combined footings and strap footings are normal used when one of columns is subjected to large eccentric loadings. When two columns are reasonably close, a combined footing is designed for both columns as shown in Figure 3.1. When two columns are far apart, a strap is designed to transfer eccentric moment between two columns as shown in Figure 3.1. The goal is to have uniform bearing pressure and to minimize differential settlement
between columns.
Figure 3.1 Combined footing and strap footing
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