Other test parameters include the level of axial load in the CFST column, the load level in the RC beam and the beam-column stiffness ratio.
Furthermore, it was shown that load-displacement of pile groups and load distribution on pile top were affected by properties of soil and stiffness ratio of piles to soil, and by length, diameter, spacing, and number of piles.
The coefficient of lateral pressure varies with the stiffness ratio between lining and ground, it being larger than the coefficient at rest.
