Title page for ETD etd-11192002-135522

Type of Document Master's Thesis
Author Wickline, Joseph Edward
URN etd-11192002-135522
Title A Study Of effective Moment of Inertia Models for full-Scale Reinforced Concrete T-Beams Subjected to a Tandem-Axle Load Configuration
Degree Master of Science
Department Civil Engineering
Advisory Committee
Advisor Name Title
Cousins, Thomas E. Committee Chair
Easterling, William Samuel Committee Member
Roberts-Wollmann, Carin L. Committee Member
  • Bridge
  • T-Beam
  • Effective Moment of Inertia
  • Reinforced Concrete
Date of Defense 2002-10-19
Availability unrestricted
This thesis is a product of the U.S. Army Corp of Engineer's desire to develop a more accurate procedure for estimating the load capacity of an in-service T-beam bridge.

A bridge type that is a stumbling block for U.S. Army field engineers due to the unknown amount and placement of the flexural reinforcement in the T-beam girder cross-sections.

Personnel from the U.S. Army Corp of Engineer's Waterways Experiment Station in cooperation with personnel from Virginia Tech conceived a procedure that is potentially more accurate, can be quickly executed in the field, and is relatively easy to use by field engineers. In general, the procedure provides a method for transition between the quantity of flexural reinforcement in a reinforced concrete T-beam and the member's actual moment of inertia.

Specifically, the goal of this thesis is to evaluate the accuracy of selected, effective moment of inertia models as a component in the proposed analysis procedure. The accuracy of the selected models is evaluated with test data generated from a testing program detailed herein, which load tested full-scale reinforced concrete T-beams. The test specimens were subjected to a closely-spaced, tandem-axle load configuration, a load configuration typical of military equipment.

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