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Transcript of CONCRETE
Approximately 10 billion kilograms of plastic waste are produced exclusively in The United States every year.
It accounts for roughly 7% of total waste produced by mass.
Plastic is responsible for 30% of total waste produced by volume.
Plastics need much more energy to recycle than paper, glass or metals.
Incorporate plastic as recycled element in building material
Material needs to be versatile
In composition & Application
Mix & Design
It is the most commonly
used material Worldwide
Demonstrate that an optimal plastic content can be achieved in a concrete mix.
INTENTIONS OF THE EXPERIMENT
Hold characteristics that make for viable structural concrete member.
It can capitalize effectively on the presence of plastic aggregate.
CONCRETE WITH PLASTIC AGGREGATE
Designed to achieve a balance between economy & strength, placeability, durability, density, and appearance.
Aggregates occupy appr. 75% of total volume of concrete mix.
Fine Aggregates (approx. 5 millimeters)
Course Aggregates (larger than 5 millimeters)
It's expected Plastic Concrete strength will be less due to the "joint factors".
Compression and Tension
The concrete cylinders were tested at different plastic aggregate mix percentage of 0,5,10,15
Tests were made at the 14th day and 28th day after mix was prepared.
Concrete was tested for compression and tension
The plastic used in this experiment is a post-consumer recycled PET pellet, with an approximate radius of a tenth of an inch ( about 2.5 millimeters)
The tensile strength of concrete is relatively low, about 10 to 15% of the compressive, occasionally
The Tension Strength is of interest in designing of highway and airfield slabs as shear strength and Resistance to cracking are very important to sustain such loading.