TM 5-818-1 / AFM 88-3, Chap. 7
Such slopes are commonly supported by a cantilever
properties and advantages and disadvantages. Table
wall (only for shallow excavations), a braced wall, or a
14-2 lists factors for selecting wall support system sfor a
tieback wall (fig 14-10). In some cases, it may be
deep excavation (>20 feet). Table 14-3 gives design
economical to mix systems, such as a free slope and a
parameters, such as factors of safety, heave problems,
tieback wall or a tieback wall and a braced wall. Table
and supplemental references.
14-1 summarizes the wall types with their typical
Figure 14-9. Design criteria for crib and bin walls.
14-10
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