INFLUENCE OF LATEX POLYMER ADDITION ON THE BEHAVIOR OF MATERIALS CONTAINING CSA CEMENT CURED AT LOW HUMIDITY | Zendy

Joshua V. Brien | Zendy; Kevin R. Henke | Zendy; Kamyar C. Mahboub | Zendy

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INFLUENCE OF LATEX POLYMER ADDITION ON THE BEHAVIOR OF MATERIALS CONTAINING CSA CEMENT CURED AT LOW HUMIDITY

Author(s) -

Joshua V. Brien,

Kevin R. Henke,

Kamyar C. Mahboub

Publication year - 2013

Publication title -

journal of green building

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.248

H-Index - 21

eISSN - 1943-4618

pISSN - 1552-6100

DOI - 10.3992/jgb.8.4.94

Subject(s) - ettringite , materials science , cement , thermogravimetric analysis , relative humidity , composite material , ultimate tensile strength , aluminate , polymer , mortar , humidity , portland cement , chemical engineering , physics , engineering , thermodynamics

The present study assesses the hydration behavior of polymer modified and non-polymer containing calcium sulfoaluminate (CSA) cement pastes containing minor phase tri-calcium aluminate (C3A) when cured at ambient laboratory temperature with 50% relative humidity. The particular CSA cement is unique as it offers two potential paths for ettringite formation. In the presence of sufficient calcium sulfate, these two potential paths stem from either hydration of yeelimite or hydration of tri-calcium aluminate. The study assesses the microstructural behavior of cement pastes utilizing powdered x-ray diffraction (XRD) and thermogravimetric analysis (TGA/SDT). Additionally, the study utilizes direct tensile strength testing according to ASTM C307, Standard Test Method for Tensile Strength of Chemical Resistant Mortar, Grouts and Monolithic Surfacings to quantify relationships between microstructural characteristics and mechanical property performance for representative mortars. The present study is signi...

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