Rackel San Nicolas

Degradation resistance of different cementitious materials to phosphoric acid attack at early stage

Jie Ren, Lihai Zhang, Brant Walkley, Jay R Black, Rackel San Nicolas

Journal article  |  2022  |  CEMENT AND CONCRETE RESEARCH

Sewer wastewater systems pose great threats to OPC-based concretes used for pipes due to the presence of various acids. Phosphoric..

Degradation of Alkali-Activated Slag and Fly Ash Mortars under Different Aggressive Acid Conditions

Jie Ren, Lihai Zhang, Rackel San Nicolas

Journal article  |  2021  |  JOURNAL OF MATERIALS IN CIVIL ENGINEERING

Acidic environments constitute serious chemical threats to concrete-like cementitious materials. The purpose of this study is to e..

Corrosion protection of steel elements in façade systems – A review

L Soufeiani, G Foliente, KTQ Nguyen, R San Nicolas

Journal article  |  2020  |  Journal of Building Engineering

Corrosion of steel elements in a façade system may cause failure that can adversely affect building performance. In this paper we ..

Aggregate-Dependent Approach to Formulate and Predict Properties of High-Strength and Very-High-Strength Concrete

SK Baduge, P Mendis, R San Nicolas, M Rupasinghe, J Portella

Journal article  |  2020  |  Journal of Materials in Civil Engineering

The importance of selecting suitable aggregates in very-high-strength concrete (VHSC) (>100 MPa) and high-strength concrete (HSC) ..

Constructing a novel nano-TiO2/Epoxy resin composite and its application in alkali-activated slag/fly ash pastes

Jie Ren, Si-Yao Guo, Tie-Jun Zhao, Ji-Zhou Chen, Rackel San Nicolas, Lihai Zhang

Journal article  |  2020  |  Construction and Building Materials

A novel in-situ synthetic method is developed for fabrication of inorganic-organic hybrid structured TiO2/Epoxy resin composite wi..

Degradation process of alkali-activated slag/fly ash and Portland cement-based pastes exposed to phosphoric acid

Jie Ren, Lihai Zhang, Rackel San Nicolas

Journal article  |  2020  |  Construction and Building Materials

High costs are currently involved in the repair and replacement of sewage concrete pipes due to the severe damage caused by the ac..

Performance of lightweight hemp concrete with alkali-activated cenosphere binders exposed to elevated temperature

S Kristombu Baduge, P Mendis, R San Nicolas, K Nguyen, A Hajimohammadi

Journal article  |  2019  |  Construction and Building Materials

This study investigates the performance of three different types of cenosphere as a lightweight supplementary cementitious materia..

Strength Development and Thermogravimetric Investigation of High-Volume Fly Ash Binders

Zhiyuan Zhou, Massoud Sofi, Elisa Lumantarna, Rackel San Nicolas, Gideon Hadi Kusuma, Priyan Mendis

Journal article  |  2019  |  MATERIALS

To address sustainability issues by facilitating the use of high-volume fly ash (HVFA) concrete in industry, this paper investigat..

Portland and other cements

Rackel San Nicolas, Brant Walkley, jannie van Deventer

Book Chapter  |  2019

This landmark publication distills the body of knowledge that characterizes mineral processing and extractive metallurgy as discip..

Fire performance of aerated alkali activated slag for unitised facade systems

KTQ Nguyen, RS Nicolas, P Mendis, T Ngo

Conference Proceedings  |  2019  |  FIB 2018 - Proceedings for the 2018 fib Congress: Better, Smarter, Stronger