The compressive strength and unit weight of Type 1P cement concrete with copper slag as fine aggregate replacement.

Date

4-2013

Degree

Bachelor of Science in Civil Engineering

College

College of Engineering and Agro-Industrial Technology (CEAT)

Adviser/Committee Chair

Melvin B. Solomon

Committee Member

Marish S. Madlangbayan April Joy B. Coleta

Abstract

TOLARBA, MARIELLE LIBERTAD, College of Engineering and Agro-Industrial Technology, University of the Philippines Los Bathos. April 2013. The Compressive Strength and Unit Weight of Type IP Cement Concrete with Copper Slag as Fine Aggregate Replacement.

Major Adviser: Prof. Melvin B. Solomon

The compressive strength and unit weight of Type IP cement concrete with copper slag (CS) as fine aggregate replacement is not yet established. The objective of this study is to determine the effects of CS replacement on the compressive strength and unit weight of concrete, and to determine the optimum amount of CS that will not compromise the compressive strength of concrete. Five test specimens for each concrete mix (0, 20, 40, 60, 80, and 100% by volume of CS replacement) with a constant water-cement ratio of 0.55 were cured for 3l days. The results of the study showed that Type IP concrete with CS yielded comparable compressive strengths with the control specimen. A maximum of 1% increase was obtained at 60% replacement and 23% decrease was measured at 100% replacement. This trend is consistent with past studies. The lower compressive strengths of concrete with CS may have been caused by the low % absorption of CS which resulted of concrete with CS may have been caused by the low % absorption of CS which resulted to free water on the surface of concrete. Moreover, the increasing trend on the compressive strength may be accounted to the mechanical properties of copper slag. The results of the unit weight showed that as the CS content of the mix increases, the unit weight of the hardened concrete also increases. This was accounted to the higher specific gravity of copper slag compared to natural aggregates. It was concluded that 60% CS is the recommended replacement for Type IP concrete where optimum compressive strength was obtained.

Language

English

Location

UPLB Main Library Special Collections Section (USCS)

Call Number

Thesis

Document Type

Thesis

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