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Title:Modified Standard Penetration Test–based Drilled Shaft Design Method for Weak Rocks
Author(s):Stark, Timothy D., Long, James H., Osouli, Abdolrzea. Baghdady, Ahmed K.
Subject(s):drilled shaft
weak IGMs
axial capacity rock
shale
side and tip resistance
predictive method
resistance factor
standard penetration test
penetration rate
Abstract:In this project, Illinois-specific design procedures were developed for drilled shafts founded in weak shale or rock. In particular, a modified standard penetration test was developed and verified to characterize the in situ condition of weak shales or rocks in Illinois for drilled shaft design. For this project, weak shale or rock 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 deep-foundation design and reduced costs for IDOT.
Issue Date:2017-12
Publisher:Illinois Center for Transportation/Illinois Department of Transportation
Citation Info:Stark, Timothy D., James H. Long, Abdolrzea Osouli, and Ahmed K. Baghdady. 2017. Effect of Early-Age Concrete Elastic Properties on Fatigue Damage in PCC Pavements Containing Fibers. A report of the findings of ICT-R27-145. Illinois Center for Transportation Series No. 17-024. Research Report No. FHWA-ICT-17-018. Illinois Center for Transportation, Rantoul, IL.
Series/Report:FHWA-ICT-17-018
Genre:Technical Report
Type:Text
Language:English
URI:http://hdl.handle.net/2142/98914
ISSN:0197-9191
Sponsor:IDOT-R27-145
Rights Information:No restrictions. This document is available through the National Technical Information Service, Springfield, VA 22161.
Date Available in IDEALS:2017-12-14


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