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Barclays Center in Brooklyn. Bess Adler / Thornton Tomasetti

  • COMPLETION DATE
    2012

Overview

Thornton Tomasetti provided structural design and construction support services including connection design, delivery of a Tekla model and erection engineering services for the new Barclays Center, home of the NBA Brooklyn Nets. The design-build project features 18,103 seats, 101 suites and an ice floor for hockey and other events. The steel superstructure consists of two levels of concourses and two levels of suites. The project is designed to achieve LEED Silver certification.

A weathered steel exterior lattice wraps around the structure and the entrance canopy that cantilevers 85 feet over the plaza. The façade design with 12,000 pre-weathered steel panels and the canopy were added during the design phase of the project, requiring the structural design to be modified. Thornton Tomasetti provided Tekla models, connection samples and full connection design, which allowed us to produce models quickly, store large quantities of information, and coordinate with the entire team.

The distinctive arched roof is supported by a pair of 350-foot tied arch trusses spanning the long direction of the arena. The building lateral system and diaphragms were designed to resist thrust forces from the roof arches, which were minimized by use of the tension tie.

The arena is set in a tight urban setting near a subway station and train terminal, presenting unique challenges for the foundation system. The building was designed with a pair of truck elevators feeding a below-grade loading dock with a large truck turntable to facilitate turning. Building columns in this region were transferred using large plate girders spanning over the dock.

Using our innovative delivery methods, Thornton Tomasetti successfully integrated structural design and construction support services and project teams from various Thornton Tomasetti offices.

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Computational Analysis

While the range of shapes and forms that can be designed with modern modeling tools is almost limitless, geometric discipline is still essential for budget control. When forms are still in flux, the design team can use our proprietary tools to interactively study multiple geometric options and establish optimized shapes for structural frames and building surfaces, along with related systems.

Parametric modeling applies parameters such as materials, dimensions or performance criteria to define elements or element categories within a model. Once entered, they can be altered, individually or in combination, to explore and easily incorporate design changes. These 3D models contain intelligent information and can serve as deliverables, or they can be used to generate 2D drawings. Parametric models improve documentation speed and quality, enhance visualization, quickly perform geometry-based analytical tasks and easily calculate material quantities.

Generative modeling uses scripts – instead of direct input – to generate elements, providing even greater flexibility in iterating and testing many options. It allows architects, engineers and other project stakeholders to work together to quickly evaluate any number of concepts and variations.