Figure 4 testing of ldperubber composite brick sample

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Figure 4. Testing of LDPE/Rubber Composite Brick (Sample 3) 6. Results and Discussion Compression tests were conducted for all the 4 samples and the average values of 3 trials are noted and presented in Table 2. Table 2. Results of the compressive test on the brick samples From the Figure 6, the maximum compressive load sustained by the Polypropylene/Rubber composite brick (Sample 2) is 17.06 tons which is much higher than the clay brick which sustained only 9.03 tons. Therefore we can come to a conclusion that bricks made of waste plastics will sustain a much higher load and compressive strength compared to the normal clay bricks. Also by mixing rubber powder and calcium carbonate into the waste
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plastic mix, we come to know that the composite brick yields very high compressive strength compared to other commercially available bricks. From the results it is evident that the bricks produced by waste plastic and rubber powder can be used for commercial applications. Figure 5. Failure of Bricks at Different Loads Figure 6. Compressive Strength of different bricks Compression strength of the Plastic/Composite bricks varies based on the material composition used to manufacture and the degree of cooling of bricks in water. The compression strength of individual Plastic/Composite bricks shown in Figure 6 is only relative in value that affords a basis of comparison between different kinds of Plastic/Composite bricks developed for testing. Bricks are usually tested flat as they are more often used in that manner during construction of walls etc. Plastic/composite bricks incorporate polymer material typically post-consumer recycled plastics as a primary component, with reinforcing rubber powder and CaCO 3 to contribute enhanced properties. The Plastic/Composite bricks shall resist decay and insect attack and water absorption shall not cause loss of strength in the plastic/composite bricks. 7. Conclusions This work effectively converts waste plastic into useful building materials like building bricks and floor interlocks which can effectively reduce the environmental pollution and further decreases the problem of waste plastics in the society. Rather than the waste plastics going into the landfill or incinerators it can be used as construction materials at a much lower cost after undergoing certain specific processing. It also reduces the construction cost by eliminating the use of mortar during construction by using recyclable plastic/composite bricks and floor interlocks. From the compression testing results we come to know that waste plastics material when effectively mixed with Rubber powder and Calcium Carbonate gives the highest compressive
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strength and sustains high compressive load.
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  • Fall '19
  • Compressive strength, Plastics. Thermoplastics

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