Anchor Bolt Behavior in ASR/DEF-Damaged Drilled Shafts.

Bae, Sungjin.; Bayrak, Oguzhan; Jirsa, James O.; Klingner, Richard E.; Texas. Dept. of Transportation; University of Texas at Austin

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Anchor Bolt Behavior in ASR/DEF-Damaged Drilled Shafts.

2007-02-01
By Bae, Sungjin. ; Bayrak, Oguzhan ; Jirsa, James O. ; ...

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English

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Creators:

Bae, Sungjin. ; Bayrak, Oguzhan ; Jirsa, James O. ; Klingner, Richard E.

Bae, Sungjin. ; Bayrak, Oguzhan ; Jirsa, James O. ; Klingner, Richard E. Less -
Corporate Creators:

Texas. Dept. of Transportation ; University of Texas at Austin

Texas. Dept. of Transportation ; University of Texas at Austin Less -
Subject/TRT Terms:

[+]

Anchor Bolts Drilled Shafts High Mast Illumination Poles High Mast Lighting Poles (Supports)
Publication/ Report Number:

Technical report IAC 88-5DDIA004
Resource Type:

Tech Report
Corporate Publisher:

Texas. Department of Transportation
Abstract:

The primary objective of this research is to evaluate the effect of Alkali-Silica Reaction (ASR) and Delayed Ettringite Formation (DEF) on the structural performance of High Mast Illumination Pole (HMIP) foundations and if needed, to recommend a possible retrofitting method to strengthen them and prevent further damage.

To achieve this goal, six full-scale field tests were conducted in the Houston area. Two types of drilled shafts were examined: 16-anchor drilled shafts supporting 150-ft high HMIPs; and 20-anchor drilled shafts supporting 175-ft high HMIPs. One of the 20-anchor drilled shafts was repaired by wrapping with Carbon Fiber-Reinforced Polymer (CFRP) laminate. Observed performance under field tests was also evaluated in the context of the design wind loads of the AASHTO Specifications (2001) and ASCE 7-05 (2005). Failure modes and the related load-transfer mechanisms were investigated and some design recommendations were suggested for better design of drilled shafts.
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Collection(s):

US Transportation Collection
Main Document Checksum:

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urn:sha256:0b7ff4893269c0d15add262c9776c4c041bf6aa21164b318ca94f509a3167ea9
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https://rosap.ntl.bts.gov/view/dot/16573/dot_16573_DS1.pdf
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Anchor Bolt Behavior in ASR/DEF-Damaged Drilled Shafts.

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