Mitigation of autogenous shrinkage of alkali-activated slag mortar by stearate salts

J Deng, X Zhu, D **ong, Q Li, C Yang, K Yang… - … and Building Materials, 2023 - Elsevier
The autogenous shrinkage of the stearates-modified alkali-activated slag (AAS) mortar was
investigated in this study. The experimental results suggested that the maximum reduction …

[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 …

Effect of expansive additives and external restraint on the early age mechanical properties and microstructure of cement paste

M Gupta, G Igarashi, Y Takahashi, J Granja… - … and Building Materials, 2024 - Elsevier
The early age expansion of cement paste/concrete due to expansive additives (EA) has a
significant impact on the microstructure and early-age mechanical properties of cement …

Continuous monitoring of elastic modulus of mortars using a single-board computer and cost-effective components

T Russo, RR Ribeiro, A Araghi, RM Lameiras, J Granja… - Buildings, 2023 - mdpi.com
The Elastic Modulus Measurement through Ambient Response Method (EMM-ARM) is
designed to continuously monitor the elastic modulus of hardening construction materials …

Unloading‐based stiffness characterisation of cement pastes during the second, third and fourth day after production

P Karte, M Hlobil, R Reihsner, W Dörner, O Lahayne… - Strain, 2015 - Wiley Online Library
The stiffness evolution of binder 'cement paste'is triggering the stiffness of concrete. In the
engineering practice, concrete formworks are typically removed 24 h after production. This …

Continuous characterization of stiffness of cement-based materials: experimental analysis and micro-mechanics modelling

JLD Granja - 2016 - search.proquest.com
The structural performance and durability of reinforced concrete structures are strongly
influenced by the material properties of concrete. Concrete's characteristics endure strong …

[HTML][HTML] Hardening characterisation of a non-proprietary and more eco-friendly UHPC

AM Matos, J Granja, S Nunes, JL Barroso-Aguiar… - … and Building Materials, 2023 - Elsevier
The current work provides an integrated analysis of autogenous shrinkage, isothermal
calorimetry, and modulus of elasticity measurement through ambient response method …

[HTML][HTML] Real-time monitoring of static elastic modulus evolution in hardening concrete through longitudinal-wave velocity changes retrieved by the stretching …

H Cheng, M Liang - Construction and Building Materials, 2024 - Elsevier
Monitoring of gradual increase in elastic modulus of concrete over time is crucial for
designing structures exposed to early age loading and predicting long-term deformations …

Experimental validation of a framework for hygro-mechanical simulation of self-induced stresses in concrete

M Azenha, L Leitão, JL Granja, C de Sousa… - Cement and Concrete …, 2017 - Elsevier
An accurate simulation of the internal stresses that develop in concrete structures in service
demands the explicit consideration of the internal heat and moisture movements that induce …

Observing the setting and hardening of cementitious materials by X-ray dark-field radiography

F Prade, M Chabior, F Malm, CU Grosse… - Cement and Concrete …, 2015 - Elsevier
Novel X-ray imaging methods expand conventional attenuation-based X-ray radiography by
the phase-and the dark-field contrasts. While weakly absorbing structures in the specimen …