Excavation Protection - During Foundation Construction.

During foundation construction, it is important that excavation subsoils be protected against deterioration as a result of exposure to the elements and heavy equipment.  Difficulties can occur as a result of slaking, swelling, and piping of the excavation soils.  Also, special classes of soils can collapse upon wetting.  Methods for protecting an excavation are described in detail in table 11-1 along with procedures for identifying problem soils.  If these measures are not carried out, soils likely will be subject to a loss of integrity and subsequent foundation performance will be impaired.

Table 11-1.  Excavation Protection.
Excavation Protection.
Excavation Protection.

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