Effect of slag content and activator dosage on the resistance of fly ash geopolymer binders to sulfuric acid attack

TA Aiken, J Kwasny, W Sha, MN Soutsos - Cement and Concrete Research, 2018 - Elsevier
Geopolymer (GP) binders are an appealing alternative to Portland cement (PC) binders as
they have the potential to reduce the CO 2 emissions associated with the cement and …

Microstructure of thermoactivated recycled cement pastes

JA Bogas, A Carrico, AJ Tenza-Abril - Cement and Concrete Research, 2020 - Elsevier
This paper focuses on the microstructural characterisation of pastes produced with
thermoactivated recycled cement (RC). To this end, a comprehensive experimental program …

A novel development of green ultra-high performance concrete (UHPC) based on appropriate application of recycled cementitious material

D Qian, R Yu, Z Shui, Y Sun, C Jiang, F Zhou… - Journal of Cleaner …, 2020 - Elsevier
Recycled construction waste cementitious material (RCWCM) can be considered as a kind
of waste solid with potential cementitious characteristics. In the past, landfill and stacking …

Usage of supplementary cementitious materials: Advantages and limitations: Part I. C–S–H, C–A–S–H and other products formed in different binding mixtures

B Pacewska, I Wilińska - Journal of Thermal Analysis and Calorimetry, 2020 - Springer
It is well known that cement production is not neutral for natural environment among others
due to high CO 2 emission. Different strategies of mitigation of negative environmental …

A critical review of the role of ettringite in binders composed of CAC–PC–C andCSA–PC–C

L Noor, A Tuinukuafe, JH Ideker - Journal of the American …, 2023 - Wiley Online Library
Ettringite‐accelerated binders composed of CAC–PC–C (calciumaluminatecement–
Portlandcement–calciumsulfate)andCSA–PC–C (calcium sulfoaluminate cement–Portland …

Thermal stability and decomposition mechanisms of ettringite at< 120 C

Q Zhou, FP Glasser - Cement and Concrete Research, 2001 - Elsevier
Ettringite has been synthesised in phase-pure form and its decomposition and reformation
studied as a function of water vapour pressure and temperature. Isobars at PH2O= 6, 35, 75 …

Shrinkage, hydration, and strength development of limestone calcined clay cement (LC3) with different sulfation levels

R Hay, L Li, K Celik - Cement and Concrete Composites, 2022 - Elsevier
This study investigated autogenous shrinkage of limestone calcined clay cement (LC 3)-
based mixes with various sulfation levels of hemihydrate. Physicochemical evolution and …

Effect of blast furnace slag on self-healing of microcracks in cementitious materials

H Huang, G Ye, D Damidot - Cement and concrete research, 2014 - Elsevier
The physico-chemical process of self-healing in blast furnace slag cement paste was
investigated in this paper. With a high slag content ie, 66% in cement paste and saturated …

A new aluminium-hydrate species in hydrated Portland cements characterized by 27Al and 29Si MAS NMR spectroscopy

MD Andersen, HJ Jakobsen, J Skibsted - Cement and Concrete Research, 2006 - Elsevier
Recent 27Al MAS NMR studies of hydrated Portland cements and calcium-silicate-hydrate
(CSH) phases have shown a resonance from Al in octahedral coordination, which cannot be …

Hydration evolution and compressive strength of calcium sulphoaluminate cement constantly cured over the temperature range of 0 to 80 C

P Wang, N Li, L Xu - Cement and Concrete Research, 2017 - Elsevier
Curing temperature plays a critical role in the properties and hydration of cement pastes.
The influence of curing temperature (0–80° C) on the hydration evolution and compressive …