Table 3.

Summary data from Perko [11].

shaft,pitch,helices,depth,torque,load,
D (m)p (m)Dp (m)L (m)T (kNm)V (kN)VDp/TVD/TDp/Dp/DpL/Dp
compression
count178152341148148178148148176152148
st. dev.0.0590.0110.1214.123.9372.14.61.01.80.1030
min.0.0250.0250.0760.91.20.72.30.51.60.083
average0.0890.0730.2837.016.3287.18.82.14.10.2830
median0.0750.0760.3055.87.8186.88.51.94.00.2521
max.0.3250.0810.91421.3118.62491.030.77.79.30.58156
tension
count135131140129110140110110135131129
st. dev.0.0480.0220.1265.828.9256.35.10.72.10.1043
min.0.0130.0100.0510.30.00.61.60.41.60.104
average0.0630.0600.2065.912.6171.88.51.74.70.2836
median0.0440.0690.2034.96.0144.66.91.74.20.2520
max.0.2190.0810.76243.0257.62023.924.64.18.00.58169