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    Three Sisters Bridges

    Pittsburgh, USA

    Main features used in Three Sisters Bridges
    • Construction stage analysis with composite action
    • Suspension bridge analysis control
    Project Information
    Owner
    Allegheny County
    General Contractor
    -
    Architect
    -
    Engineering Consultant
    Michael Baker International
    Construction Period
    Under Rehabilitation
    Type of Project
    Self-anchored Suspension Bridge
    Size of Structure
    · Andy Warhol Bridge135m Main Span, 323m Total Length· Rachel Carson Bridge120m Main Span, 303m Total Length· Roberto Clemente Bridge130m Main Span, 303m Total Length
    Location
    Pittsburgh, USA
    Used Product
    MIDAS CIVIL
    • Modeling
    • Result
    • Drawing/Report
    • Panorama

    The bridges require rehabilitation because of accelerating age-related deterioration. The project work draws on Michael Baker’s expertise in all areas of bridge inspections, structural analysis and rehabilitation design, utility coordination, roadway and lighting design, paint evaluation, field surveys, and public involvement. As part of the structural analysis, the Michael Baker team developed a series of three-dimensional, finite-element models for the Andy Warhol Bridge using MIDAS, an engineering software specifically developed for bridge modeling and analysis. This marks the first time that the bridge is modeled in 3D. The models are used to establish the existing forces on the bridge, determine the new dead loads based on the proposed rehabilitation, calculate the modern-design live loads, and evaluate proposed construction sequencing.

    Project Contact
    Engineering Consultant
    Michael Baker International
    Address
    4100 Horizons Drive, Suite 206 Columbus, Ohio 43220, USA
    Introduction
    Michael Baker is a global leader in engineering and consulting since 1940 to solve their most complex infrastructure challenges. Supported by 90 offices worldwide, they provide engineering consulting, specialized global construction, base operations, security management, systems integration and intelligence solutions.
    Website
    https://www.mbakerintl.com
    Email
    -