Materials- Design & Construction

Single Abstract

343301 - Flexural Strength of Ultra-High Performance Fiber Reinforced Concrete Beam

Friday, April 20
11:00 AM - 12:30 PM
Location: 201A

Ultra-High Performance Fiber Reinforced Concrete (UHPFRC) has gained popularity given its high strength, ductility durability, and fracture toughness. However, the development of design procedures for UHPFRC is more complicated than conventional concrete and requires extensive testing at a material and member level. This research focuses on understanding the flexural behavior of the beam made of UHPFRC subjected to a monotonic four point bending via a nonlinear numerical model developed in ANSYS commercial software. The numerical model is verified and calibrated against previous test data, and close agreement is achieved. The most influential parameters on flexural strength of UHPFRC beams are identified and their effects are numerically quantified. To address the material characteristics, a series of tests are conducted to characterize compressive and flexural strength of UHPFRC at the micro and macroscopic levels. The effect of fiber contents are experimentally investigated to determine the distribution of fibers throughout the mix as well as discovering the correlation between compressive and flexural strengths. The test results are employed into the numerical model to extrapolate the flexural strength of the beam at the member level to justify the proposed mix design. A cost analysis is conducted to compare the cost-effectiveness of UHPFRC in RC beams as compared to beams made of conventional concrete.

Monique Hart

Graduate Researcher
Morgan State University



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Mehdi Shokouhian

Faculty Lecturer
Morgan State University

Dr. Shokouhian is a Faculty Lecturer in the Department of Civil Engineering, Morgan State University. He earned his PhD in Structural Engineering at the Tsinghua University and his research focuses on performance-based design of structures made of high performance materials using theoretical, numerical and experimental methods. He has participated in many research projects and has published several peer-reviewed journal papers since 2004.


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Monique H. Head

Associate Professor
Morgan State University

Since January 2017, Dr. Head has lead the School of Engineering at Morgan State University as the Associate Dean of Research and Graduate Studies, where she has focused on increasing the funding allocations for engineering graduate students and increasing research grant submissions. Dr. Head is also an Associate Professor in the Department of Civil Engineering, and conducts large-scale experimental testing using advanced materials like fiber reinforced polymer (FRP) bars to develop better design methodologies as part of performance-based seismic bridge design. Prior to joining the faculty at Morgan State University in 2011, she was as a tenure-track Assistant Professor at Texas A&M University. Her research lab at Morgan Stat University, called the Green Transportation Infrastructure Center, is focused on addressing our nation's deteriorating transportation infrastructure through the application of fundamental engineering principles and use of fiber reinforced polymer (FRP) bars to replace conventional steel rebar within concrete bridge decks and columns, especially within seismic zones (i.e. bridge and earthquake engineering) using their 6DOF shake table. Dr. Head has published in top-tier journals, and is a member of several professional organizations, where she enjoys facilitating engineering outreach activities for middle and high school students to stimulate an excitement for STEM.

Dr. Monique Hite Head is a native of Newark, Delaware. She received her bachelor and master of civil engineering degrees from the University of Delaware in 2000 and 2002, respectively, and her doctorate in civil (structural) engineering from the Georgia Institute of Technology in May 2007.


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343301 - Flexural Strength of Ultra-High Performance Fiber Reinforced Concrete Beam

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