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 2022-08-01 to 2026-08-01.)

Article	Citations
Editorial Board	535
Encapsulation of iodine-loaded adsorbents in blended Portland cement and geopolymer wasteforms	256
In-situ observations of tricalcium silicate formation in modified electric arc furnace slag under different temperature regimes	236
Comparing the physico-chemical characteristics of calcite rich kaolinitic clays using soak and flash calcination methods	210
Resilient crystalline admixture in ultra-high performance self-healing concrete under cyclic freeze-thaw with de-icing salts	205
Retardation mechanisms and microstructure evolution of triclinic tricalcium silicate induced by three different organic phosphonic acids	179
Unravelling the role of iron oxidation states in alkali-activated slags: A multinuclear solid-state NMR study on polymerization and structural evolution	165
Exploring machine learning to predict the pore solution composition of hardened cementitious systems	154
Influence of water-soluble leachates from natural fibers on the hydration and microstructure of cement paste studied by nuclear magnetic resonance	153
A continuous hydration model for cement paste with realistic CT image-based particles and simulation of microstructural evolution	153
Shrinkage mitigation of metakaolin-based geopolymer activated by sodium silicate solution	149
Effect of NaOH content on the fluidizing effect of PCEs with different structures in NaOH-activated slag	145
Mechanistic understanding of hydration process and microstructure of Portland cement altered by in-situ polymerization	143
The nanomechanical properties of non-crosslinked calcium aluminosilicate hydrate: The influences of tetrahedral Al and curing age	136
Assessment of thermal cracking and damage in concrete by ultrasonic velocity and Vp/Vs ratio	135
The impact of mechanochemical activation on the physicochemical properties and pozzolanic reactivity of kaolinite, muscovite and montmorillonite	134
Effect of temperature gradients on the microstructural characteristics and mechanical properties of concrete	134
Effect of high-volume substituted nanosilica on the hydration and mechanical properties of Ultra-High-Performance Concrete (UHPC)	127
A multi-species reactive transport model based on ion-solid phase interaction for saturated cement-based materials	127
Do superplasticizers work the way we think? New insights from their effect on the percolation threshold of limestone pastes	122
Carbonation of blast furnace slag concrete at different CO2 concentrations: Carbonation rate, phase assemblage, microstructure and thermodynamic modelling	122
Hydration and strength of cement paste containing metastable vaterite derived from recycled concrete fines and CO2	117
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	115
One-part binders from woody biomass fly ash and blast furnace slag: reaction mechanisms and microstructural evolution	115

Distribution and dynamics of water in the blended pastes unraveled by thermoporometry and dielectric properties	115
A photometric stereo and Vision Transformer-based framework for automated air void analysis in hardened concrete	113
Moisture sorption behaviour, microstructural changes and macroscopic deformation of hardened cement pastes during the first three drying–resaturation cycles	112
Towards performance-based specifications for fly ash and natural pozzolans – Insights from a Monte-Carlo based thermodynamic modeling framework	111
Cement hydration kinetics followed by electron spin resonance	111
Evaluation of atmospheric CO₂ sequestration by 50-year-old concrete structures based on 14C and 13C measurements	107
Aluminate 2K systems in digital concrete: Process, design, chemistry, and outlook	106
Insights into the diverse effects of WC-RCPP on the time-dependent rheological properties of UHPC	106
Factors influencing the hydration kinetics of ye'elimite; effect of free lime	104
Insights on the mechanical properties and failure mechanisms of calcium silicate hydrates based on deep-learning potential molecular dynamics	104
Simultaneous formation and decomposition of calcium silicate hydrate under carbonation in water	102
Chemical degradation of magnesium potassium phosphate cement pastes during leaching by demineralized water: Experimental investigation and modeling	99
Shrinkage and carbonation of alkali-activated calcined clay-ground granulated blast furnace slag (GGBFS) concrete	98
Development of more accurate methods for determining carbonation depth in cement-based materials	98
Role of calcium compounds in BOFS on phase evolution and microstructural changes upon high-gravity carbonation	98
A damage constitutive model for concrete under uniaxial compression capturing strain localization	97
Low clinker systems - Towards a rational use of SCMs for optimal performance	97
Introducing Particle Shape Metric (PSM): A fundamental parameter that encapsulates role of aggregate shape in enhancing packing and performance	97
Quantification of nano-crystalline C-S-H in hydrated tricalcium silicate, Portland cement and fly ash cement using PONKCS method	95
On the origins of anisotropy of extrusion-based 3D printed concrete: The roles of filament skin and agglomeration	95
High early pozzolanic reactivity of alumina-silica gel: A study of the hydration of composite cements with carbonated recycled concrete paste	95
Quantifying the impact of montmorillonite on water demand and polycarboxylate superplasticizer efficiency in cement pastes	95
New insights in the adsorption behavior of triethanolamine on OPC by experimental and theoretical study	95
New findings on the contribution of Mg-Al-NO3 layered double hydroxides to the hydration and chloride binding capacity of cement pastes	95
Editorial Board	94
Characterisation and hydration kinetics of β-C2S synthesised with K2SO4 as dopant	94
Corrigendum to “Solubility and speciation of iron in cementitious systems”	92
AFt-AFm-Friedel's salt transformation and AH3 nanostructure evolution in ye'elimite-gypsum-seawater system	89
Clinoptilolite zeolite as a substrate for alkali-boosting cement hydration	88
Deciphering the initial hydration reaction of tricalcium aluminate based on Ab initio-accurate machine learning force field	88
Dissolution-precipitation reactions of silicate mineral fibers at alkaline pH	88
CCR digital concrete 2022 SI: Editorial	87
Strain-rate sensitivity of cement composites: Insights from field's metal nano-inclusions	86
Incorporating elastic and creep deformations in modelling the three-dimensional autogenous shrinkage of cement paste	85
Hydration kinetics and microstructure evolution of NaCl-mixed tricalcium silicate pastes	84
Strength performance and environmental assessment of Portland clinker	84
Enhanced alite dissolution by CAH10 addition	84
New insight into the combined effect of aluminum sulfate and triethanolamine on cement hydration	83
Dissolution and early hydration of tetracalcium aluminoferrite (C4AF) in water and in aqueous sulfate solutions	81
New insight into self-antifoaming effect of entrained CO2 bubbles in fresh cement paste	80
Influence of leaching on the strontium immobilisation mechanism and nanostructural framework in geopolymer wasteforms	80
Accelerated carbonation of recycled concrete aggregate in semi-wet environments: A promising technique for CO2 utilization	79
Properties and hydration characteristics of an iron-rich sulfoaluminate cementitious material under cold temperatures	79
Theoretical model for the coupling effect of moisture transport on chloride penetration in concrete	79
Mechanism underlying effect of expansive agent and shrinkage reducing admixture on mechanical properties and fiber-matrix bonding of fiber-reinforced mortar	79
Morphology-structural change of C-A-S-H gel in blended cements	78
An experimental review of the reaction paths followed by alkali-activated slag pastes	78
Early structural build-up, setting behavior, reaction kinetics and microstructure of sodium silicate-activated slag mixtures with different retarder chemicals	78
Editorial Board	77
Editorial Special Issue: Keynote Papers of International Conference on the Chemistry of Cement, 2023, Bangkok	77

Hydration of C3S in anhydrite and hydratable alumina mixtures: Insights into experimental and thermodynamic phase development	76
Alkali metal distribution in composite cement pastes and its relation to accelerated ASR tests	76