OOIR: Observatory of International Research

Papers

(The H4-Index of Cement and Concrete Research is 74. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2022-01-01 to 2026-01-01.)

Article	Citations
Editorial Board	359
Unravelling the role of iron oxidation states in alkali-activated slags: A multinuclear solid-state NMR study on polymerization and structural evolution	229
In-situ observations of tricalcium silicate formation in modified electric arc furnace slag under different temperature regimes	213
Retardation mechanisms and microstructure evolution of triclinic tricalcium silicate induced by three different organic phosphonic acids	206
Numerical approach to pipe flow of fresh concrete based on MPS method	204
Environmental impact of extrusion-based additive manufacturing: generic model, power measurements and influence of printing resolution	204
Forming zeolites and calcium silicate hydrates in Fe-rich, slag-based, porous inorganic polymers	203
Hydration and strength of cement paste containing metastable vaterite derived from recycled concrete fines and CO2	202
Shrinkage mitigation of metakaolin-based geopolymer activated by sodium silicate solution	190
Exploring machine learning to predict the pore solution composition of hardened cementitious systems	184
Encapsulation of iodine-loaded adsorbents in blended Portland cement and geopolymer wasteforms	184
A multi-species reactive transport model based on ion-solid phase interaction for saturated cement-based materials	176
Phase evolution, micromechanical properties, and morphology of calcium (alumino)silicate hydrates C-(A-)S-H under carbonation	172
Effect of different ions on dissolution rates of silica and feldspars at high pH	170
The impact of mechanochemical activation on the physicochemical properties and pozzolanic reactivity of kaolinite, muscovite and montmorillonite	168
Surface area development of Portland cement paste during hydration: Direct comparison with 1H NMR relaxometry and water vapor/nitrogen sorption	162
Physical and mineralogical properties of calcined common clays as SCM and their impact on flow resistance and demand for superplasticizer	161
Effect of high-volume substituted nanosilica on the hydration and mechanical properties of Ultra-High-Performance Concrete (UHPC)	159
The nanomechanical properties of non-crosslinked calcium aluminosilicate hydrate: The influences of tetrahedral Al and curing age	159
Assessment of the reactivity and hydration of Portland cement clinker phases from atomistic simulation: A critical review	150
Microstructural developments of limestone calcined clay cement (LC3) pastes after long-term (3 years) hydration	147
A continuous hydration model for cement paste with realistic CT image-based particles and simulation of microstructural evolution	133
Effect of NaOH content on the fluidizing effect of PCEs with different structures in NaOH-activated slag	133
Assessment of thermal cracking and damage in concrete by ultrasonic velocity and Vp/Vs ratio	129
Carbonation of blast furnace slag concrete at different CO2 concentrations: Carbonation rate, phase assemblage, microstructure and thermodynamic modelling	128

Influence of water-soluble leachates from natural fibers on the hydration and microstructure of cement paste studied by nuclear magnetic resonance	126
Effect of temperature gradients on the microstructural characteristics and mechanical properties of concrete	121
Do superplasticizers work the way we think? New insights from their effect on the percolation threshold of limestone pastes	120
Evaluating the effects of porosity on the mechanical properties of extrusion-based 3D printed concrete	114
Resilient crystalline admixture in ultra-high performance self-healing concrete under cyclic freeze-thaw with de-icing salts	114
Editorial Board	112
Introducing Particle Shape Metric (PSM): A fundamental parameter that encapsulates role of aggregate shape in enhancing packing and performance	111
Distribution and dynamics of water in the blended pastes unraveled by thermoporometry and dielectric properties	110
Role of calcium compounds in BOFS on phase evolution and microstructural changes upon high-gravity carbonation	110
Low clinker systems - Towards a rational use of SCMs for optimal performance	109
Development of more accurate methods for determining carbonation depth in cement-based materials	107
Insights on the mechanical properties and failure mechanisms of calcium silicate hydrates based on deep-learning potential molecular dynamics	101
Pumping of concrete: Understanding a common placement method with lots of challenges	99
Quantification of nano-crystalline C-S-H in hydrated tricalcium silicate, Portland cement and fly ash cement using PONKCS method	99
Bio-inspired self-prestressing concrete (SPC) involving basalt fibers and expansive agent	99
Moisture sorption behaviour, microstructural changes and macroscopic deformation of hardened cement pastes during the first three drying–resaturation cycles	97
On the origins of anisotropy of extrusion-based 3D printed concrete: The roles of filament skin and agglomeration	95
Simultaneous formation and decomposition of calcium silicate hydrate under carbonation in water	95
Cement hydration kinetics followed by electron spin resonance	95
Factors influencing the hydration kinetics of ye'elimite; effect of free lime	94
New findings on the contribution of Mg-Al-NO3 layered double hydroxides to the hydration and chloride binding capacity of cement pastes	94
On the significance of interfacial chemistry on the strength of fly ash-cement composites	91
Quantifying the impact of montmorillonite on water demand and polycarboxylate superplasticizer efficiency in cement pastes	91
Towards performance-based specifications for fly ash and natural pozzolans – Insights from a Monte-Carlo based thermodynamic modeling framework	91
Zn2+ as a dopant to stabilize hydrated magnesium carbonates	91
A photometric stereo and Vision Transformer-based framework for automated air void analysis in hardened concrete	91
High early pozzolanic reactivity of alumina-silica gel: A study of the hydration of composite cements with carbonated recycled concrete paste	90
Chemical degradation of magnesium potassium phosphate cement pastes during leaching by demineralized water: Experimental investigation and modeling	90
Aluminate 2K systems in digital concrete: Process, design, chemistry, and outlook	88
New insights in the adsorption behavior of triethanolamine on OPC by experimental and theoretical study	87
A damage constitutive model for concrete under uniaxial compression capturing strain localization	86
Corrigendum to “Solubility and speciation of iron in cementitious systems”	84
Characterisation and hydration kinetics of β-C2S synthesised with K2SO4 as dopant	84
Editorial Board	84
Shrinkage and carbonation of alkali-activated calcined clay-ground granulated blast furnace slag (GGBFS) concrete	84
Effect of alkali hydroxide on calcium silicate hydrate (C-S-H)	84
Clinoptilolite zeolite as a substrate for alkali-boosting cement hydration	83
Heating cement to slow down its hydration: The unexpected role of PCE interpolymer bridge formation	83
Dissolution-precipitation reactions of silicate mineral fibers at alkaline pH	82
CCR digital concrete 2022 SI: Editorial	81
Dissolution and early hydration of tetracalcium aluminoferrite (C4AF) in water and in aqueous sulfate solutions	80
Hydration kinetics and microstructure evolution of NaCl-mixed tricalcium silicate pastes	79
Enhanced alite dissolution by CAH10 addition	78
Mechanism underlying effect of expansive agent and shrinkage reducing admixture on mechanical properties and fiber-matrix bonding of fiber-reinforced mortar	76
New insight into self-antifoaming effect of entrained CO2 bubbles in fresh cement paste	75
Theoretical model for the coupling effect of moisture transport on chloride penetration in concrete	75
Early structural build-up, setting behavior, reaction kinetics and microstructure of sodium silicate-activated slag mixtures with different retarder chemicals	75
Strain-rate sensitivity of cement composites: Insights from field's metal nano-inclusions	74
Properties and hydration characteristics of an iron-rich sulfoaluminate cementitious material under cold temperatures	74
An experimental review of the reaction paths followed by alkali-activated slag pastes	74