Study on Optimal Mix Proportion of PVA-ECC Based on Strength-Deformation-AHP

E-ISSN： 1662-8985|2014|1065|1939-1944

ISSN： 1022-6680

Source： Advanced Materials Research, Vol.2014, Iss.1065, 2015-01, pp. : 1939-1944

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Abstract

Considering the essential influencing factors for the mechanical properties of the engineered cementitious composite (ECC), the polyvinyl alcohol (PVA) fiber was used and a batch of cube specimens and thin plate specimens of PVA-ECC were manufactured based on the variation of water cement ratio, amount of fly ash and amount of water reducer. The compressive strength test for the PVA-ECC cube specimens and the flexural strength test for the PVA-ECC thin plate specimens were conducted. A practical decision-making frame based on the Analytic Hierarchy Process (AHP) method was proposed to solve the problem of the optimal mix proportion of PVA-ECC, which can take into account the compressive strength, the flexural strength and the corresponding deformation capacity together.