[HTML][HTML] Mechanisms of autogenous shrinkage of alkali-activated slag and fly ash pastes

Z Li, T Lu, X Liang, H Dong, G Ye - Cement and Concrete Research, 2020 - Elsevier
This study aims to provide a better understanding of the autogenous shrinkage of slag and
fly ash-based alkali-activated materials (AAMs) cured at ambient temperature. The main …

[HTML][HTML] Internal curing by superabsorbent polymers in alkali-activated slag

Z Li, M Wyrzykowski, H Dong, J Granja… - Cement and Concrete …, 2020 - Elsevier
In this study, internal curing by superabsorbent polymers (SAP) is utilized to mitigate self-
desiccation and autogenous shrinkage of alkali-activated slag (AAS) pastes. Absorption and …

Concrete with fine and coarse recycled aggregates: E-modulus evolution, compressive strength and non-destructive testing at early ages

M Velay-Lizancos, I Martinez-Lage, M Azenha… - … and Building Materials, 2018 - Elsevier
The combined use of fine and coarse recycled aggregates in the manufacture of concrete
has multiple advantages from the economic and environmental points of view. There is a …

[HTML][HTML] Internal curing of alkali-activated slag-fly ash paste with superabsorbent polymers

Z Li, S Zhang, X Liang, J Granja, M Azenha… - Construction and Building …, 2020 - Elsevier
This study investigates the influences of internal curing on reducing the autogenous
shrinkage of alkali-activated slag/fly ash (AASF) paste. The influences of internal curing with …

Evaluation of low-cost MEMS accelerometers for SHM: frequency and damping identification of civil structures

RR Ribeiro, RM Lameiras - Latin American Journal of Solids and …, 2019 - SciELO Brasil
Sensing techniques based on accelerometers for modal parameters identification are
among the most studied and applied in Structural Health Monitoring of civil structures. The …

Testing concrete E‐modulus at very early ages through several techniques: an inter‐laboratory comparison

B Delsaute, C Boulay, J Granja, J Carette, M Azenha… - Strain, 2016 - Wiley Online Library
The design of concrete structures is based on calculation rules, which often do not take into
account the very early age behaviour of the material. However, during this period, structural …

The influence of concrete composition on Young's modulus

K Jurowski, S Grzeszczyk - Procedia Engineering, 2015 - Elsevier
This paper presents a dynamic method of concrete testing using Young's modulus. The
advantages of the method are compared with the static method and the possibilities of …

[HTML][HTML] Influence of temperature on the curing of an epoxy adhesive and its influence on bond behaviour of NSM-CFRP systems

A Benedetti, P Fernandes, JL Granja… - Composites Part B …, 2016 - Elsevier
In NSM-CFRP installations, the mechanical behaviour of the strengthening system is
strongly influenced by the epoxy adhesive, particularly at early ages. In the present work, the …

A new dynamic testing method for elastic, shear modulus and Poisson's ratio of concrete

Z Wang, Z Gao, Y Wang, Y Cao, G Wang, B Liu… - … and Building Materials, 2015 - Elsevier
In this work, an energy-based method was used to derive the correlation between concrete
shear modulus and torsional frequency of free slab based on first-order torsional mode …

[HTML][HTML] Early-age properties of alkali-activated slag and glass wool paste

Z Li, IAF Beltran, Y Chen, B Šavija, G Ye - Construction and Building …, 2021 - Elsevier
In this study, glass wool waste was utilized by means of alkali-activation with blast furnace
slag. Reaction kinetics, workability, mechanical properties and autogenous shrinkage of …