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PETBlocks plastic fibers protrude after drying.  Laying blocks with a liquid slurry will lock these fibers together to form an homogenous tensile structure matrix through the wall.

PETBlocks plastic fibers protrude after drying.  Laying blocks with a liquid slurry will lock these fibers together to form an homogenous tensile structure matrix through the wall.

PETBlock Testing

Preliminary test results were completed with the help of the University of Colorado Civil, Environmental and Architectural Engineering laboratory where we used a 110 kip load frame to test compressive strength and displacement.  These initial tests were conducted with samples made from standard adobe block soil brought from Taos, NM and varying amounts of PET collected from beverage bottles and shredded with a conventional paper shredder.  

Testing results show a dramatic increase in the compressive strength of the PETBlocks as compared with the control blocks.  These results suggest both that smaller blocks reinforced with PET can perform equally to larger conventional adobe blocks and, perhaps more importantly,  that the PET tensile matrix may provide important structural reinforcement in shear which could improve the safety of earthen structures in seismic zones.