STP1087

    Geotechnical Engineering for Ocean Waste Disposal: An Introduction

    Published: Jan 1990


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    Abstract

    As members of multidisciplinary teams, geotechnical engineers apply quantitative knowledge about the behavior of earth materials toward designing systems for disposing of wastes in the oceans and monitoring waste disposal sites. In dredge material disposal, geotechnical engineers assist in selecting disposal equipment, predict stable characteristics of dredge mounds, design mound caps, and predict erodibility of the material. In canister disposal, geotechnical engineers assist in specifying canister configurations, predict penetration depths into the seafloor, and predict and monitor canister performance following emplacement. With sewage outfalls, geotechnical engineers design foundation and anchor elements, estimate scour potential around the outfalls, and determine the stability of deposits made up of discharged material. With landfills, geotechnical engineers evaluate the stability and erodibility of margins and estimate settlement and cracking of the landfill mass. Geotechnical engineers also consider the influence that pollutants have on the engineering behavior of marine sediment and the extent to which changes in behavior affect the performance of structures founded on the sediment. In each of these roles, careful application of geotechnical engineering principles can contribute toward more efficient and environmentally safe waste disposal operations.

    Keywords:

    geotechnical engineering, soil mechanics, waste disposal, ocean, dredging, canisters, radioactive waste, solidification, penetration, environment, outfalls, landfills, wetlands


    Author Information:

    Lee, HJ
    Research civil engineer, United States Geological Survey, Menlo Park, CA

    Demars, KR
    Associate professor, University of Connecticut, Storrs, CT

    Chaney, RC
    Professor and director, Telonicher Marine Laboratory, Humboldt State University, Trinidad, CA


    Paper ID: STP17226S

    Committee/Subcommittee: D18.14

    DOI: 10.1520/STP17226S


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