Barbours Cut Terminal - Container Port Wharf Expansion Design

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Title: Barbours Cut Terminal - Container Port Wharf Expansion Design

Author(s): Jeremiah D. Fasl and Carl J. Larosche

Publication: Symposium Paper

Volume: 337

Issue:

Appears on pages(s): 40-57

Keywords: container crane, rehabilitation design, service life modeling, strut-and-tie modeling (STM), wharf

Date: 1/23/2020

Abstract:

This paper will present the challenges and unique aspects associated with increasing the capacity of one of the container wharves at Barbour’s Cut Terminal to support new Ship-to-Shore (STS) container cranes with gage lengths of 100 ft. (30 m), which was an upgrade from the previous container cranes that featured 50-ft. (15 m) gage lengths. The design criteria included achieving an additional 50 years of service life from the existing elements and new elements; therefore, the assessment results and techniques used for service life modeling will be discussed. In the new structural elements, service life modeling was used to determine the necessary concrete mixture characteristics, including use of fly ash and corrosion-resistant reinforcement, to achieve the required service life.

This paper will also discuss the design approach, including the use of springs to represent the soil-structure interaction, for determining the demands on the various components. In addition, the interaction between the new structure and existing structure and the resulting torsion will be discussed. Finally, various lessons learned from using strut-and-tie modeling, including the relative stiffness of the chord elements and need for three-dimensional modeling, will be summarized.




  

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