"Abyss" in East Texas

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Title: "Abyss" in East Texas

Author(s): Edward J. Ulrich Jr., Janice B. Gray, Blanca Velazquez-Pattee, and Cruce R. Bland

Publication: Concrete International

Volume: 26

Issue: 6

Appears on pages(s): 69-74

Keywords: Augered tiebacks; rotary-installed tiebacks; cross bracing; excavation; soldier pile.

Date: 6/1/2004

Abstract:
Texas Genco needed an excavation to facilitate coal delivery and unloading at their Limestone Electric Generating Station. Such a deep excavation, however, proved challenging from both a design and a constructibility perspective. Soldier piles and three different bracing systems were chosen to achieve this engineering feat.