Water And Ice Control In The Anton Anderson Memorial Tunnel, Whittier, Alaska

摘要

Recently converted to a dual use highway/railroad tunnel, the 4.0 km Anton Anderson Memorial Tunnel in south central Alaska provided more than its share of water- and ice-related problems to the design/build contractor. Previously, water inflows and associated ice build-up had been significant maintenance tasks for the Alaska Railroad in winter months. There had also been on-going degradation of the track structure due to frost heaving and the effects of water and ice. On June 7, 2000, the converted tunnel was opened to the public with a new roadway structure and an active ice control system. This paper details the approach and solution to the problem of ice build-up.