For design of cellular cofferdam as bridge protection, how to simplify the structure to calculate the energy absorbed capacity? In other words, what is the mechanism for cofferdam to absorb energy? By deformation of structure or by displacement of rigid body? Are there any references?
This question is for ayfarm. If a HP14 stinger with length of , let's say, 3 ft is attached to a 24" square concrete pile tip to facilitate driving and the pile is driving to seat on strong rock with allowable copressive capacity of 60 tsf, the overlying soil is very soft clay with...