Presentation Title

Effects of zeolite and fibers in high performance concrete bridges and pavements

Presenter Information

Yassine BouzoubaaFollow

Faculty Mentor

Dr. Pratanu Ghosh

Start Date

17-11-2018 8:30 AM

End Date

17-11-2018 10:30 AM

Location

HARBESON 70

Session

POSTER 1

Type of Presentation

Poster

Subject Area

engineering_computer_science

Abstract

Effect of zeolite and fibers in high performance concrete bridges and pavements

Bouzoubaa Yassine1 Dr. Pratanu Ghosh1

Khuong Truong1

Ashish Patel1

Basil Habhab1

Gary Park1

(1) California State University, Fullerton

Faculty Advisor: Dr. Pratanu Ghosh

The purpose of this research is to investigate the beneficial effect of zeolite in various binary and ternary based high performance concrete for future application in bridges and pavements and its influence on workability, strength, and durability. Procedure was developed to investigate 4 inx8 in and 6 inx12 in concrete specimens for shrinkage, surface and bulk resistivity, conductivity and strength as concrete hardens at 7, 14, 28, and 56 days. Fibers were also introduced at different percentage levels to improve durability and other mechanical properties. To accomplish this study, a series of equipment are used such as RConn, Merlin Resistivity Meter, Shrinkage gauge, Universal Testing Machine and Surface Resistivity meter. Experimental results have shown that an excess in zeolite amounts containing fibers may lead to an increase in porosity, which can negatively affect concrete’s strength. However, the influence of 15-20% of replacement of zeolite materials is expected to provide favorable results in terms of improvement of mechanical properties and durability. Previous research has also demonstrated that there existed an optimum replacement level of Zeolite that decreases surface absorption and chloride diffusion. In summary, research results have shown that Zeolite based concrete is expected to obtain promising compressive strength in the range of 6,000-10,000 psi at 28 days and remarkable increment of resistivity and extensive reduction of shrinkage.

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Nov 17th, 8:30 AM Nov 17th, 10:30 AM

Effects of zeolite and fibers in high performance concrete bridges and pavements

HARBESON 70

Effect of zeolite and fibers in high performance concrete bridges and pavements

Bouzoubaa Yassine1 Dr. Pratanu Ghosh1

Khuong Truong1

Ashish Patel1

Basil Habhab1

Gary Park1

(1) California State University, Fullerton

Faculty Advisor: Dr. Pratanu Ghosh

The purpose of this research is to investigate the beneficial effect of zeolite in various binary and ternary based high performance concrete for future application in bridges and pavements and its influence on workability, strength, and durability. Procedure was developed to investigate 4 inx8 in and 6 inx12 in concrete specimens for shrinkage, surface and bulk resistivity, conductivity and strength as concrete hardens at 7, 14, 28, and 56 days. Fibers were also introduced at different percentage levels to improve durability and other mechanical properties. To accomplish this study, a series of equipment are used such as RConn, Merlin Resistivity Meter, Shrinkage gauge, Universal Testing Machine and Surface Resistivity meter. Experimental results have shown that an excess in zeolite amounts containing fibers may lead to an increase in porosity, which can negatively affect concrete’s strength. However, the influence of 15-20% of replacement of zeolite materials is expected to provide favorable results in terms of improvement of mechanical properties and durability. Previous research has also demonstrated that there existed an optimum replacement level of Zeolite that decreases surface absorption and chloride diffusion. In summary, research results have shown that Zeolite based concrete is expected to obtain promising compressive strength in the range of 6,000-10,000 psi at 28 days and remarkable increment of resistivity and extensive reduction of shrinkage.