Investigation on the compressive strength of concrete with ceramic tile wastes as partial replacement of fine sand aggregates

Date

4-2014

Degree

Bachelor of Science in Civil Engineering

College

College of Engineering and Agro-Industrial Technology (CEAT)

Adviser/Committee Chair

April Joy B. Coleta

Abstract

Ceramic industries are known to produce large amount of ceramic wastes. Ceramic wastes have high silica content and have long biodegradation period. Reusing these wastes as fine aggregates in concrete may solve the problems on the increasing amount of ceramic waste on landfill areas. Also, problems on the depletion of sand used as fine aggregates may be solved once these wastes exhibited positive effects on the mechanical properties of concrete. The study investigated the effect of replacing fine sand aggregates with fine ceramic aggregates (FCA) at 0%, 5%, 10%, 15% and 20% by mass of sand. Twenty-five 6 in x 12 in concrete specimens with water-to-cement ratio of 0.50 were prepared and were investigated for compressive strength, wet bulk density and workability. Compared to the reference concrete, the concrete batch with 20% FCA has the highest compressive strength recorded and has the most significant increase in compressive strength. The compressive strength of the concrete specimens decreased at 5% FCA then increased starting at 10% FCA. The wet bulk density showed no definite trend but significant decreases in wet bulk density were observed compared to the reference concrete. At higher percentage of sand replacement, the workability of concrete decreased at 15% and 20% FCA compared to the reference concrete. Despite the decrease in workability, it was concluded that at higher replacement of fine aggregates, the concrete?s compressive strength increased while its wet bulk density decreased.

Language

English

Location

UPLB Main Library Special Collections Section (USCS)

Call Number

Thesis

Document Type

Thesis

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