Power drived socket type hub screw anchor ultimate load capacity

Power drived socket type earth anchor load ultimte tension capacity :

For the soil, there are very dense  sands, coarse gravel and cobbles; Dense fine compacted sands, very hard silts or clays; dense clays, sands and gravels, hard silts and clays; Medium dense sandy gravel, stiff to hard silts and clays; Medium dense corse sandy gravel, stiff to very still silts and clays; loose to medium dense fine to coarse sand, firm to stilff clays and silts; loose fine sand, alluvium, soft clays, fine saturated silty sand; peat, organic silts. 

In different soil conditions, the earth anchor holding capacity different. The following chart is our earh anchor capacity showing for your reference.