Cement content300kg/m3
325kg/m3
in dr
yconditions^375kg/m3
in submergedconditions^350kg/m3
for semi-dryconcreteConcrete stress in0.25uwccompressionReinforcementAsBS8110AsBSEN 10080 or ENV 1994-1-1
for steel lining and concrete corein compressionBored cast-in-placeConcrete gradeAsBS8110AsBSEN 1992-1-1 and
BSEN 206-1/BS8500C20/25- C30/37
Cement content300kg/m3325kg/m3
in dry conditions400kg/m3
when375kg/m3
in submerged conditionsunder water or mudConcrete stress in0.25uwccompressionReinforcementAsBSEN 10080 or ENV 1994-1-1
for steel lining and concrete corein compressionNotesa Where
fyis the characteristic yield strength of steel and where the safety factor on driving is less than 2.b For jacked piles or where end-bearing piles are driven through relatively soft soils on to very dense granular soils or soundrock.cuwis concrete cube strength at 28 days.dfckis the characteristic cylinder strength at 28 days.