By Mallory Aye, KDOT Headquarters
Project presented
award: A KDOT project was presented with a “Sweet Sixteen” High
Value Research award at the 2019 National Research Advisory Committee and TRB
State Representatives Meeting, which took place July 22–25 in Santa Fe, N.M.
The research project
K-TRAN: KU-16-5, Software for Load Distribution on Low-Fill Box Culverts:
User’s Manual, was conducted by University of Kansas Professors Jie Han and
Robert Parsons with graduate students Seyed Mustapha Rahmaninezhad and Fei Wang
in the Department of Civil, Environmental and Architectural Engineering.
The project team was
successful in developing a stress distribution program to better test the
various forms of stress that may affect shallowly buried culverts. The program
was designed to compute the Equivalent Live Load Distribution Factor (ELLDF)
for distributed loads, distributed area and distributed stress on buried box
structures.
This data is compatible to be input into current AASHTO design
software to better determine how pavement affects load distribution onto buried
box culverts.
The “Sweet Sixteen”
award exists as part of an initiative by the AASHTO Research Advisory Committee
to identify and document recently completed “High Value Research” projects.
Every year, states are asked to submit research projects of recognizable
qualitative or quantitative benefit for consideration. The Sweet Sixteen award
recipients are selected from the qualifying high value projects, with four
projects being chosen from each of the four AASHTO regions.
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