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Title:Improvement for Determining the Axial Capacity of Drilled Shafts in Shale in Illinois
Author(s):Stark, Timothy D.; Long, James H.; Assem, Pouyan
Subject(s):Drilled shaft, weak IGMs, axial capacity rock, shale, side and tip resistance, predictive method, resistance factor, modified standard penetration test, penetration rate
Abstract:In this project, Illinois-specific design procedures were developed for drilled shafts founded in weak shale. In addition, recommendations for field and laboratory testing to characterize the in situ condition of weak shales in Illinois were developed and presented herein. For this project, weak shale is defined as an intermediate geologic material (IGM) with an unconfined compressive strength of 10 to 100 ksf. These investigation and design improvements are anticipated to lead to safer design and substantial deep-foundation cost savings for IDOT.
Issue Date:2013-05
Genre:Technical Report
Publication Status:published or submitted for publication
Peer Reviewed:not peer reviewed
Sponsor:Illinois Department of Transportation ICT R27-99 UILU-ENG-2013-2011
Rights Information:No restrictions. This document is available to the public through the National Technical Information Service, Springfield, Virginia 22161
Date Available in IDEALS:2013-09-18

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