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University of Illinois Urbana-Champaign

Modified Standard Penetration Test–based Drilled Shaft Design Method for Weak Rocks

Stark, Timothy D., Long, James H., Osouli, Abdolrzea. Baghdady, Ahmed K.

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https://hdl.handle.net/2142/98914

Description

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.
Issue Date
2017-12
Keyword(s)
  • drilled shaft
  • weak IGMs
  • axial capacity rock
  • shale
  • side and tip resistance
  • predictive method
  • resistance factor
  • standard penetration test
  • penetration rate
Date of Ingest
2017-12-14T22:29:59Z
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.
Publisher
Illinois Center for Transportation/Illinois Department of Transportation
Series/Report Name or Number
FHWA-ICT-17-018
ISSN
0197-9191
Type of Resource
text
Genre of Resource
Technical Report
Language
en
Permalink
http://hdl.handle.net/2142/98914
Sponsor(s)/Grant Number(s)
IDOT-R27-145
Copyright and License Information
No restrictions. This document is available through the National Technical Information Service, Springfield, VA 22161.

Owning Collections

Research and Publications - Illinois Center for Transportation PRIMARY