Effect Of Curing Temperature On the Compressive Strength Of Polymer Concrete Incorporating Microfiller Nurhamizah Binti Meskam SX090198AWJ01 Supervisor Prof. Ir. Dr. Mohd Warid Bin Hussin
Dec 17, 2015
IntroductionProblems statement
Objective of Study
Scope of Study
Methodology
Preliminary Study
Post Curing Process
Finding of The Study
ConclusionQ&A
Introduction
Objective of Study
Scope of StudyProblem of Statement
IntroductionPolymer concrete is produced using dry aggregates as filler and polymerizing monomers as binders. Meanwhile the concrete mixture especially in aggregate component must be make sure high quality with no residual dust, moisture and contaminants.
Problem Statement
ObjectiveTo obtain density of inert granular and POFA
To investigate optimum curing temperature on Isophthalic and Orthophtalic polymer
Scope of Study
BinderType of BinderIsophthalicOrthophthalicMix proportion13% binder content for Isophthalic polymer concrete13% binder content for Isophthalic polymer concreteFillerType of fillerPOFASize of fillerPassing through 45 m sieveTestingDensityPolymer concreteSize of sample100mm x 100mm x 100mmTesting: compressive strengthTesting: apparent densityMethod of curingPost of curing by heat Curing temperature ( oC)30oC, 50oC, 70oCCuring time (hour)1, 3, 6, 16
Methodology
Preliminary Study
Post Curing Process
Preliminary Study of Polymer Concrete
Post Curing Process
Finding of the Study
Apparent density of Isophthalic polymer concrete at different curing temperatureHighest density achieved at temperature 70oCMost of the value Density Isophthalic was acceptable Average density value is 2250kg/m3Apparent density of Orthophthalic polymer concrete at different curing temperatureHighest density achieved at temperature 30oCMost of the value Density Orthopthalic was acceptable Average density value is 2250 kg/m3
Compressive Strength of Polymer Concrete at 30oC TemperatureRelationship PatternLinearGradually IncreasedRegression, R2 > 0.9
Compressive Strength
i)Highest- ISO (49 MPa) ORTHO (46MPa)
ii) Lowest - ISO (1.18 MPa) ORTHO (0 MPa)
Compressive Strength of Polymer Concrete at 50oC TemperatureRelationship PatternNon LinearStrong relationshipRegression, R2 > 0.9
Compressive Strength
i)Highest- ISO (60 MPa) ORTHO (55Mpa)
ii) Lowest - ISO (27 MPa) ORTHO (24MPa)
Compressive Strength of Polymer Concrete at 70oC Temperature
Compressive Strength
i)Highest- ISO (65Mpa) ORTHO (59Mpa)
ii) Lowest - ISO (46 Mpa) ORTHO (37Mpa)
ConclusionAt 30oC temperature, possibility compressive strength to be enhance will be develop if curing time increase to 24 hour.At 50oC and 70oC temperature curing time, the compressive strength is dependable at 16 hour and do not have any possibility to enhance the compressive strength, if curing time increase to 24hour.Compressive strength approximately constant at 6 hour for temperature 50oC and approximately constant at curing time 3 to 6 hour in temperature 70oC.The optimum curing time obtain in 16 hour at temperature 70oC on Isophthalic with compressive strength 65MPa.The density value for both type of polymer concrete approximately 2250kg/m3 which is within the range of normal weight concrete (2250kg/m3).
*********