Development of recommended resistance factors for drilled shafts in weak rocks based on o-cell tests : [technical summary].

Yang, Xiaoming; Han, Jie; Parsons, Robert; University of Kansas

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Development of recommended resistance factors for drilled shafts in weak rocks based on o-cell tests : [technical summary].

2010-03-01
By Yang, Xiaoming ; Han, Jie ; Parsons, Robert

[PDF-320.39 KB]

English

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Creators:

Yang, Xiaoming ; Han, Jie ; Parsons, Robert

Yang, Xiaoming ; Han, Jie ; Parsons, Robert Less -
Corporate Creators:

University of Kansas
Subject/TRT Terms:

[+]

Bridge Design Calibration Design Load Field Tests Geotechnical Engineering Load Factor Resistance (Mechanics) Weak Rock
Publication/ Report Number:

K-TRAN: KU-07-4
Resource Type:

Brief
Geographical Coverage:

Kansas
Corporate Publisher:

Kansas. Dept. of Transportation
Abstract:

Since October 1st 2007, federal-funded projects including new bridges have been mandated to be designed to meet American Association of State Highway and Transportation Officials (AASHTO) Load and Resistance Factor Design (LRFD) Bridge Design Specifications. The transition from Allowable Stress Design (ASD) to Load and Resistance Factor Design (LRFD) has caused a challenge to geotechnical designers. KDOT engineers have indicated that the design of drilled shafts in weak rocks following the AASHTO LRFD specifications sometimes results in a considerably different design from that according to the original ASD. Designers also have had problems in applying load and resistance factors into their computer programs that are based on ASD.
Format:

PDF
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:b10660bd6498d548c0070c5f9e1c49b2556f3d2832f7c4caa7d6e4e9f69d41e3
Download URL:

https://rosap.ntl.bts.gov/view/dot/27784/dot_27784_DS1.pdf
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Development of recommended resistance factors for drilled shafts in weak rocks based on o-cell tests : [technical summary].

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