Case Study

Chicago’s TARP Tunnel

Chicago’s TARP Tunnel

Pages 1 Pages

Project Brief geocomp.com Chicago’s TARP Tunnel Background & Project Challenges The North Branch of the Chicago River of Chicago’s Tunnel and Reservoir Plan (TARP) tunnel project consisted of 50,000 feet of machine-bored tunnel, lined with concrete. For concreting, the contractor assembled a set of five cars which carried collapsible forms. Each car rode on four wheels running over a curved concrete invert. Within the first 2,000 feet of

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