Research Project:

Integration of Asset Management Systems with Load and Resistance Factor Design (LRFD)

Principal Investigator

J. Erik Loehr
University of Missouri-Columbia
(573) 882-6380
eloehr@missouri.edu

Project Objectives

Integrate the Asset Management Framework (AMF) for slope maintenance and repair activities, with LRFD procedures for design of earth slope. Sub-objectives include:

Enhance current LRFD procedures to account for bias and correlation
Develop load and resistance factors for risk levels established by AMF
Evaluate the integrated systems via application to case histories
Develop practical application guidance and technology transfer material

Project Abstract

Crashes occur for a variety of reasons and can be attributed to human, environmental (roadway/roadside), and vehicular factors, or to any combination of these. Some types of crashes may be more inherently "spatial" in their causation (e.g., run-off-road crashes), while others may be more "non-spatial" (e.g., inattentive driving, talking on the cell phone) and thus may be less causally linked to the locations at which they occur. Others may be somewhere in between, more likely to occur in certain areas but not necessarily at specific spots or stretches of roadway. In this project, a variety of crash types will be analyzed separately to assess their degree of clustering.

Task Descriptions

Enhance Current LRFD Procedures
Establish Appropriate Risk Levels for LRFD Calibration
Re-calibrate Resistance Factors
Evaluate Integrated Procedures
Document and Technology Transfer

Project Period

March 2007 – February 2008

Potential Benefits of the Project

Potential to extend to other applications such as pavements, bridges, tunnels, and other applications where both asset management and LRFD techniques are currently utilized.

Budget

$100,000: $50,000 MTC / $50,000 Match

TRB Keywords

Asset Management, LRFD, Earth Slope, Earth Retention, Systems Integration