• Magazine of the Korea Concrete Institute
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• v.10 no.6
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• pp.213-222
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• 1998

Covering polmer mortar as a filter for permeable polymer concrete on the base polymer concrete is nessary for good permeability from infiltration continuously. Therefore, three covering polymer mortars on the optimum base polymer concrete were cast immediatly following on the casting of the base polymer concrete. They are tested for compressive and flexural strengths, adhesion in tension, hardening shrinkage and permeability, and the effects of the mix proportioning factors on the properties of the permeable polymer concrete are discussed. From the test results, increase in the compressive strength and decrease in the coeffiecient of permeability of base polymer concrete are clearly obserbed with increasing filler-binder ratio. The base polymer concretes having a compressive strength of 9.4~28.3MPa and a coefficient of permeability of 0.12~1.93 cm/s can be produced in the consideration of the mix proportioning factors. Binder and filler contents in mix proportions had a great influence on the permeability of polymer concretes. The mechanical properties of permeable polymer concretes covered with polymer mortar using crushed stone are superior to other filters, and hardening shrinkage is the smallest in filters. It is apparent that adhesion between the base polymer concrete and polymer mortar is affected by the degree of hardening shrinkage. From this study, proper mix proportions can be recommended in the consideration of properties of the permeable polymer concrete.