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Research Spotlight: Design Applications of Sandwich Composite Shells with Enhanced Bond

SSRC 2017 Annual Stability Conference

Session S9: Stability of Shells Thursday, March 23, 2017 4:15 p.m.

Design Applications of Sandwich Composite Shells with Enhanced Bond

Design, analysis, and construction details of steel-polymer-steel (SPS) and steel-concrete-steel (SCS) sandwich composite caissons for offshore wind farms are described. Simplified analyses are used as a prelude to finite element and other more detailed methods.  Stability issues include local buckling of cylindrical shells with 12 m diameter and 19 mm steel, disbonding of the concrete core from the steel outer layer, and heave flow of sand layers in the case of uplift causing suction at the base.  Further research is called for.

Peter W. Marshall, MHP Systems Engineering, Houston, TX; Vul Thang, University of New Orleans, New Orleans, LA; Jinbo Chen, The University of Texas at Austin, Austin, TX

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The 2022 SSRC Annual Stability Conference proceedings papers are available for free download from Friday, March 18, 2022 through Friday, April 15, 2022. View Proceedings Please contact Martin Downs at


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