Details:

Creators:
Steward, Eric J. ; Cleary, John
Steward, Eric J. ; Cleary, John Less -
Corporate Creators:
University of South Alabama. Dept. of Civil Engineering
Corporate Contributors:
Alabama. Dept. of Transportation
Subject/TRT Terms:
[+]
Design Literature Reviews Load Tests Pile Driving Piles (Supports) Soils Vibration
Publication/ Report Number:
930-839R
Resource Type:
Tech Report
Geographical Coverage:
Alabama
Corporate Publisher:
University of South Alabama. Dept. of Civil Engineering
Abstract:
The Alabama Department of Transportation (ALDOT) often uses deep foundations

consisting of driven piles, particularly in the southern half of the state, to support bridges or other

highway structures. In the fiscal year 2012, a total of 22 bridges were let to contract by the

ALDOT for a sum of about $37 million (ALDOT 2012). Bullock (1999) reported that the cost of

a deep foundation for some bridges can be about 30% of the overall cost and thus a reduction in

cost could produce a substantial savings to the entire project and passed on to the taxpayers.

ALDOT is interested in investigating the potential of including a phenomenon called pile

setup into the design procedures of driven piles to provide a more efficient and cost-effective

product that provides the same level of safety. ALDOT is currently transitioning from ASD

design methods to LRFD design methods, as mandated by the Federal Highway Administration

(FHWA).

This funded research is tasked with three main topics of investigation. The first is to

identify the pile setup potential of the driven piles installed within the soils of the state of

Alabama. This task requires the organization and analysis of historical records of design and

installed pile load tests. The second task is to incorporate these historical records into the

calibration of statistically determined resistance factors for LRFD design methods. The third

task is to install four typical driven pile types into the soil of a planned bridge location to

investigate the amount of pile setup as well as the propagation of vibrations to surrounding

locations during the installation of the piles. The third task was added as an addendum to the

project, and the vibration report was completed and attached to the end of this report.


Format:
PDF
Collection(s):
US Transportation Collection
Main Document Checksum:
[+]
urn:sha256:b8cea8a5debc6db8aa7a69c37eee14da3e8bcc16095faff699321aa3b2d6184f
Download URL:
https://rosap.ntl.bts.gov/view/dot/29623/dot_29623_DS1.pdf
File Type:

Supporting Files

• No Additional Files

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