Structural analysis: kachemak river culverts

摘要

Corrugated metal pipes (CMP) have gained wide use throughout the world as efficient and economical drainage structures. They appear to offer advantages over other structures such as weight, strength and ease of installation. However, in northern alaskan regions, where construction generally occurs in the winter, limited avilability of thawed classified backfill, and heavy oilfield design loads, have resuled in poor performance history for CMP structures. Culverts to not maintain their shape under thaw settled fill resulting in expensive repairs and restricted roadway use.