Is there a theoretical way to calculate equivalent moment of inertia for stepped circular column?

Example: The column (attached in Figure 6 below) has stepped circular cross sections and the highlighted formula in Table 1 (attached below) is not working. s1, s2, and s3 are not known?

Source: https://ascelibrary.org/doi/full/10.1061/(ASCE)0733-9445(2006)132:10(1621)?casa_token=NUkkX7gTcs4AAAAA:42YD1xE_TcPWRo_asiUblSEtPzLdLW-N2OyeIhc3e7y6776e1O4CBPgewu8L5E7at9Udx8QkcEuS

More Qusay A. Al-Kaseasbeh's questions See All
Similar questions and discussions