Effect of adding coconut fiber and superplasticizer on the split tensile and flexural strength of concrete

Date

12-2015

Degree

Bachelor of Science in Civil Engineering

College

College of Engineering and Agro-Industrial Technology (CEAT)

Adviser/Committee Chair

Kimjay M. Lamar

Abstract

This study aims to investigate the effect of adding coconut fiber and superplasticizer on the flexural strength, split tensile strength and workability of concrete. This study was limited to the determination of the workability, split tensile strength and flexural strength of type I Portland cement with coconut fiber (0%, 0.5%, 1.0%, 1.5%, 2.0% and 2.5% by cement weight) and superplasticizer (0.339 liters/bag of cement as additive. The concrete mixtures were casted in cylindrical steel molds with diameter of 4 inches and height of 8 inches for split tensile test and a rectangular steel mold with dimension of 4 inches by 4 inches by 16 inches for flexural test. The water to cement ration used for the concrete mix is 0.48 and water curing is done for 28 days. The results showed that the concrete with 1% coconut fiber addition exhibited the optimum strength for both split tensile strength test and flexural strength test. A decreasing trend was observed for the workability of concrete. It was concluded that there is significant increase in the split tensile strength for all percent coconut fiber addition but the optimum strength was observed at 1% coconut fiber addition. For flexural strength test, a significant increase was observed at 1% and 2% fiber addition. But same with the result of split tensile strength test, the optimum was observed at 1% coconut fiber addition.

Language

English

Location

UPLB College of Engineering and Agro-Industrial Technology (CEAT)

Call Number

LG 993.5 2015 E63 /M34

Document Type

Thesis

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