Transcription of CHAPTER 5 ALLOWABLE LOADS ON A SINGLE PILE
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FM 5-134 CHAPTER 5 ALLOWABLE LOADS ON A SINGLE PILES ection I. BASICS5-1. safe, economical pile foundations inmilitary construction, it is necessary todetermine the ALLOWABLE load capacity of asingle pile under various load structure is designed on pile supports if thesoil is inadequate for other types offoundations. The basic principles for pilefoundations are that they must be safeagainst breaking (bearing capacity and shearfailure) and buckling and that they must notsettle excessively or exceed the soil s bearingcapacity. There can be other factors, such asthe need to protect a bridge pile from requirements for the preliminary designof a pile foundation Studying soil. Obtain a soil profileresulting from subsurface explorations. Thisanalysis will determine whether the piles willbe friction (sand or clay), end bearing(stratum of firm earth), or a combination ofboth.
piles driven at selected locations to verify the computed lengths. On small projects and for hasty construction, dynamic formulas may be used to assess the allowable pile load. If
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