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Students Convert Trash To Lumber For Houses In Haiti

Engineering students from Indiana have found a way to use trash to build stronger houses in Haiti.

Eight students at Rose-Hulman Institute of Technology researched Haiti as part of the school's summer Grand Challenge courses, which has students tackle world problems in the National Academy of Engineerin's Grand Challenges for Engineering. Haiti has thousands of people living in unsafe housing caused by earthquakes, weather disasters and poor governance.

"We found that there is a lot of plastic trash lying all over the place," said Ryan Tanaka, a junior civil engineering student. "Since they still need to rebuild houses, we could use that plastic trash in an innovative and inexpensive way."

The trash - plastic grocery bags and other plastics - is transformed into makeshift lumber by combining it with vegetable oil and melting it inside a solar cooker. The substance is then placed in a mold to make 2x4 lumber replacements.

Tanaka says they are not as strong in compression or tension, but says they are safe enough to support a 16x16x16 foot house and stronger than much of the current housing in Haiti.

The total cost of the project is $470 US dollars, but those costs could be greatly reduced in Haiti. The project depends on whether the students can secure funding.

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