Strength Developments and Deformation Characteristics of MMA-Modified Vinyl Ester Polymer Concrete

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Title: Strength Developments and Deformation Characteristics of MMA-Modified Vinyl Ester Polymer Concrete

Author(s): Nan Ji Jin, Jaeheum Yeon, Seung-Ho Min, Kyu-Seok Yeon

Publication: IJCSM

Volume: 12

Issue:

Appears on pages(s):

Keywords: polymer concrete, vinyl ester resin, compressive strength, flexural strength, thermal expansion coefficient, modulus of elasticity.

Date: 1/31/2018

Abstract:
This study investigated the strength developments and deformation characteristics of methyl methacrylate (MMA)- modified vinyl ester polymer concrete, with MMA contents and curing temperatures as test variables. To lower the viscosity of the vinyl ester resin applied as a binder, an MMA monomer was added. In this study, the developed 168-h compressive and flexural strengths were 43.8–77.2 and 18.2–21.8 MPa, respectively. Also, these values decreased as MMA contents increased and curing temperatures decreased. The coefficient of thermal expansion ranged from 10.82 9 10-6 to 14.23 9 10-6/C, and it decreased as an MMA content increased. The ultimate compressive strain ranged from 0.00391 to 0.00494, which decreased with an increase in MMA contents and notably decreased with a decrease in curing temperatures. The modulus of elasticity tended to decrease as MMA contents increased and curing temperatures decreased.


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