Graduation Semester and Year

2014

Language

English

Document Type

Thesis

Degree Name

Master of Science in Civil Engineering

Department

Civil Engineering

First Advisor

Ali Abolmaali

Abstract

This research aimed at evaluating the use of Dramix RC 65/35 CN steel fiber as an alternative to the conventional reinforcement in concrete pipes. The performance of steel fiber reinforced concrete pipes produced by Packerhead pipe production machine was evaluated through an experimental testing of steel fiber reinforced concrete pipes with diameters from 18 to 36 in and different steel fiber dosages.Three-edge bearing tests were carried out according to the ASTM C497 to determine the strength class of each case of pipes. For more detailed image of the tested pipes' performance, load-deflection data were acquired and plots were made to determine the residual strength of the tested pipes after reaching the peak strength. Material evaluation was done through experimental testing of compressive cylinder and flexural beam specimens casted using the same concrete batch and at the same time of the production of steel fiber reinforced concrete pipes. Material testing was done according to the ASTM C39 and ASTM C1609.The three-edge bearing test results and data showed that the steel fiber is considered a proper alternative to the conventional steel reinforcement in concrete pipes. Most of the tested cases passed the ASTM C76 class III ultimate strength requirements, as well as, the significant post ultimate strength residual strength when increasing the steel fiber dosage.

Disciplines

Civil and Environmental Engineering | Civil Engineering | Engineering

Comments

Degree granted by The University of Texas at Arlington

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