OOIR: Observatory of International Research

Papers

(The H4-Index of Cement and Concrete Research is 76. 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 2022-06-01 to 2026-06-01.)

Article	Citations
Editorial Board	479
Unravelling the role of iron oxidation states in alkali-activated slags: A multinuclear solid-state NMR study on polymerization and structural evolution	236
Encapsulation of iodine-loaded adsorbents in blended Portland cement and geopolymer wasteforms	233
Retardation mechanisms and microstructure evolution of triclinic tricalcium silicate induced by three different organic phosphonic acids	231
In-situ observations of tricalcium silicate formation in modified electric arc furnace slag under different temperature regimes	231
Influence of water-soluble leachates from natural fibers on the hydration and microstructure of cement paste studied by nuclear magnetic resonance	221
Assessment of thermal cracking and damage in concrete by ultrasonic velocity and Vp/Vs ratio	206
Comparing the physico-chemical characteristics of calcite rich kaolinitic clays using soak and flash calcination methods	188
The nanomechanical properties of non-crosslinked calcium aluminosilicate hydrate: The influences of tetrahedral Al and curing age	188
Resilient crystalline admixture in ultra-high performance self-healing concrete under cyclic freeze-thaw with de-icing salts	174
A continuous hydration model for cement paste with realistic CT image-based particles and simulation of microstructural evolution	161
Do superplasticizers work the way we think? New insights from their effect on the percolation threshold of limestone pastes	155
Effect of NaOH content on the fluidizing effect of PCEs with different structures in NaOH-activated slag	155
Hydration and strength of cement paste containing metastable vaterite derived from recycled concrete fines and CO2	141
Effect of high-volume substituted nanosilica on the hydration and mechanical properties of Ultra-High-Performance Concrete (UHPC)	140
A multi-species reactive transport model based on ion-solid phase interaction for saturated cement-based materials	139
Environmental impact of extrusion-based additive manufacturing: generic model, power measurements and influence of printing resolution	139
Exploring machine learning to predict the pore solution composition of hardened cementitious systems	133
Carbonation of blast furnace slag concrete at different CO2 concentrations: Carbonation rate, phase assemblage, microstructure and thermodynamic modelling	133
Shrinkage mitigation of metakaolin-based geopolymer activated by sodium silicate solution	131
Surface area development of Portland cement paste during hydration: Direct comparison with 1H NMR relaxometry and water vapor/nitrogen sorption	131
Effect of temperature gradients on the microstructural characteristics and mechanical properties of concrete	124
Editorial Board	121
The impact of mechanochemical activation on the physicochemical properties and pozzolanic reactivity of kaolinite, muscovite and montmorillonite	121
Factors influencing the hydration kinetics of ye'elimite; effect of free lime	119

A damage constitutive model for concrete under uniaxial compression capturing strain localization	118
Chemical degradation of magnesium potassium phosphate cement pastes during leaching by demineralized water: Experimental investigation and modeling	116
Zn2+ as a dopant to stabilize hydrated magnesium carbonates	116
New insights on the immobilization of radioactive acidic liquid waste and cesium in amorphous aluminophosphate waste form	114
Simultaneous formation and decomposition of calcium silicate hydrate under carbonation in water	112
Distribution and dynamics of water in the blended pastes unraveled by thermoporometry and dielectric properties	112
Introducing Particle Shape Metric (PSM): A fundamental parameter that encapsulates role of aggregate shape in enhancing packing and performance	112
Characterisation and hydration kinetics of β-C2S synthesised with K2SO4 as dopant	111
Insights on the mechanical properties and failure mechanisms of calcium silicate hydrates based on deep-learning potential molecular dynamics	108
A photometric stereo and Vision Transformer-based framework for automated air void analysis in hardened concrete	108
Moisture sorption behaviour, microstructural changes and macroscopic deformation of hardened cement pastes during the first three drying–resaturation cycles	106
High early pozzolanic reactivity of alumina-silica gel: A study of the hydration of composite cements with carbonated recycled concrete paste	104
New findings on the contribution of Mg-Al-NO3 layered double hydroxides to the hydration and chloride binding capacity of cement pastes	103
Low clinker systems - Towards a rational use of SCMs for optimal performance	102
Quantification of nano-crystalline C-S-H in hydrated tricalcium silicate, Portland cement and fly ash cement using PONKCS method	101
Development of more accurate methods for determining carbonation depth in cement-based materials	100
Role of calcium compounds in BOFS on phase evolution and microstructural changes upon high-gravity carbonation	100
Evaluation of atmospheric CO₂ sequestration by 50-year-old concrete structures based on 14C and 13C measurements	99
Cement hydration kinetics followed by electron spin resonance	97
New insights in the adsorption behavior of triethanolamine on OPC by experimental and theoretical study	96
Aluminate 2K systems in digital concrete: Process, design, chemistry, and outlook	96
Shrinkage and carbonation of alkali-activated calcined clay-ground granulated blast furnace slag (GGBFS) concrete	93
Towards performance-based specifications for fly ash and natural pozzolans – Insights from a Monte-Carlo based thermodynamic modeling framework	93
On the origins of anisotropy of extrusion-based 3D printed concrete: The roles of filament skin and agglomeration	92
Quantifying the impact of montmorillonite on water demand and polycarboxylate superplasticizer efficiency in cement pastes	92
Corrigendum to “Solubility and speciation of iron in cementitious systems”	91
Editorial Board	91
New insight into the combined effect of aluminum sulfate and triethanolamine on cement hydration	90
Early structural build-up, setting behavior, reaction kinetics and microstructure of sodium silicate-activated slag mixtures with different retarder chemicals	90
New insight into self-antifoaming effect of entrained CO2 bubbles in fresh cement paste	89
Clinoptilolite zeolite as a substrate for alkali-boosting cement hydration	89
Deciphering the initial hydration reaction of tricalcium aluminate based on Ab initio-accurate machine learning force field	88
CCR digital concrete 2022 SI: Editorial	87
Strain-rate sensitivity of cement composites: Insights from field's metal nano-inclusions	86
Enhanced alite dissolution by CAH10 addition	86
Incorporating elastic and creep deformations in modelling the three-dimensional autogenous shrinkage of cement paste	86
Theoretical model for the coupling effect of moisture transport on chloride penetration in concrete	85
Hydration kinetics and microstructure evolution of NaCl-mixed tricalcium silicate pastes	84
Heating cement to slow down its hydration: The unexpected role of PCE interpolymer bridge formation	84
An experimental review of the reaction paths followed by alkali-activated slag pastes	84
Mechanism underlying effect of expansive agent and shrinkage reducing admixture on mechanical properties and fiber-matrix bonding of fiber-reinforced mortar	83
Properties and hydration characteristics of an iron-rich sulfoaluminate cementitious material under cold temperatures	83
Morphology-structural change of C-A-S-H gel in blended cements	81
Accelerated carbonation of recycled concrete aggregate in semi-wet environments: A promising technique for CO2 utilization	81
Dissolution and early hydration of tetracalcium aluminoferrite (C4AF) in water and in aqueous sulfate solutions	81
Dissolution-precipitation reactions of silicate mineral fibers at alkaline pH	80
Editorial Board	79
Editorial Special Issue: Keynote Papers of International Conference on the Chemistry of Cement, 2023, Bangkok	79
Hydration of C3S in anhydrite and hydratable alumina mixtures: Insights into experimental and thermodynamic phase development	77
Editorial Board	76

Dedolomitization of dolostone filler: Modifying the course of Mg with SCM