Masters Theses

Abstract

"In December of 2010, the Missouri Department of Transportation (MoDOT) investigated alternative cost-efficient bridge approach slabs (BASs). New BAS designs were subsequently developed and had a projected cost savings up to twenty-four percent with anticipated equal or better structural performance. A precast-prestressed (PCPS) BAS was introduced as an alternative to traditional BASs that offers advantages such as rapid construction and improved long-term durability. The three new BAS designs were implemented into in-situ bridge projects by MoDOT and the field performance was evaluated within this research study.

Field testing of each BAS was performed using two MoDOT HS20 trucks. Various instrumentation including inclinometers and high precision surveying equipment were used to monitor the BAS performance during field load testing. The innovative PCPS BAS was instrumented with internal vibrating wire strain gauges (VWSG) and moisture gauges.

Finite element models (FEM) were constructed to verify the field load testing behavior and to predict the BASs future behavior. A full-scale PCPS panel was tested in the Structural Engineering Research Laboratory (SERL) in Butler Carlton Hall on the Missouri University of Science and Technology (Missouri S&T) Campus to determine the performance under various washout conditions (i.e. lengths). The support rotations, deflections, and strains were noted. In addition, the failure of the panel was tested to verify the intended design strength of the precast-prestressed approach slab"--Abstract, page iii.

Advisor(s)

Myers, John

Committee Member(s)

Thiagarajan, Ganesh, 1963-
Sneed, Lesley

Department(s)

Civil, Architectural and Environmental Engineering

Degree Name

M.S. in Civil Engineering

Sponsor(s)

National University Transportation Center

Publisher

Missouri University of Science and Technology

Publication Date

Spring 2013

Pagination

xvi, 190 pages

Note about bibliography

Includes bibliographical references (pages 187-189).

Geographic Coverage

United States
Missouri

Rights

© 2013 Nathan Price Muncy, All rights reserved.

Document Type

Thesis - Open Access

File Type

text

Language

English

Subject Headings

Concrete slabs -- Design and constructionBridge approaches -- United States -- Design and constructionBridge approaches -- Missouri -- Design and constructionPrestressed concrete bridges -- TestingStrength of materials -- Testing

Thesis Number

T 10330

Print OCLC #

861334427

Electronic OCLC #

908942023

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