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 2021-11-01 to 2025-11-01.)

Article	Citations
Numerical approach to pipe flow of fresh concrete based on MPS method	464
Exploring machine learning to predict the pore solution composition of hardened cementitious systems	323
Effect of high-volume substituted nanosilica on the hydration and mechanical properties of Ultra-High-Performance Concrete (UHPC)	199
Shrinkage mitigation of metakaolin-based geopolymer activated by sodium silicate solution	198
Effect of different ions on dissolution rates of silica and feldspars at high pH	193
A continuous hydration model for cement paste with realistic CT image-based particles and simulation of microstructural evolution	193
Editorial Board	190
A multi-species reactive transport model based on ion-solid phase interaction for saturated cement-based materials	190
Unravelling the role of iron oxidation states in alkali-activated slags: A multinuclear solid-state NMR study on polymerization and structural evolution	188
Hydration and strength of cement paste containing metastable vaterite derived from recycled concrete fines and CO2	181
Assessment of thermal cracking and damage in concrete by ultrasonic velocity and Vp/Vs ratio	176
The nanomechanical properties of non-crosslinked calcium aluminosilicate hydrate: The influences of tetrahedral Al and curing age	166
Surface area development of Portland cement paste during hydration: Direct comparison with 1H NMR relaxometry and water vapor/nitrogen sorption	161
Do superplasticizers work the way we think? New insights from their effect on the percolation threshold of limestone pastes	161
Forming zeolites and calcium silicate hydrates in Fe-rich, slag-based, porous inorganic polymers	159
Environmental impact of extrusion-based additive manufacturing: generic model, power measurements and influence of printing resolution	155
Effect of NaOH content on the fluidizing effect of PCEs with different structures in NaOH-activated slag	150
Influence of water-soluble leachates from natural fibers on the hydration and microstructure of cement paste studied by nuclear magnetic resonance	149
Physical and mineralogical properties of calcined common clays as SCM and their impact on flow resistance and demand for superplasticizer	147
Resilient crystalline admixture in ultra-high performance self-healing concrete under cyclic freeze-thaw with de-icing salts	141
Encapsulation of iodine-loaded adsorbents in blended Portland cement and geopolymer wasteforms	138
Carbonation of blast furnace slag concrete at different CO2 concentrations: Carbonation rate, phase assemblage, microstructure and thermodynamic modelling	134
Assessment of the reactivity and hydration of Portland cement clinker phases from atomistic simulation: A critical review	129
The impact of mechanochemical activation on the physicochemical properties and pozzolanic reactivity of kaolinite, muscovite and montmorillonite	125
Evaluating the effects of porosity on the mechanical properties of extrusion-based 3D printed concrete	121

Phase evolution, micromechanical properties, and morphology of calcium (alumino)silicate hydrates C-(A-)S-H under carbonation	120
Effect of temperature gradients on the microstructural characteristics and mechanical properties of concrete	117
Microstructural developments of limestone calcined clay cement (LC3) pastes after long-term (3 years) hydration	117
Editorial Board	116
Role of calcium compounds in BOFS on phase evolution and microstructural changes upon high-gravity carbonation	116
Cement hydration kinetics followed by electron spin resonance	115
Factors influencing the hydration kinetics of ye'elimite; effect of free lime	115
Zn2+ as a dopant to stabilize hydrated magnesium carbonates	112
Low clinker systems - Towards a rational use of SCMs for optimal performance	110
Insights on the mechanical properties and failure mechanisms of calcium silicate hydrates based on deep-learning potential molecular dynamics	107
Moisture sorption behaviour, microstructural changes and macroscopic deformation of hardened cement pastes during the first three drying–resaturation cycles	105
Towards performance-based specifications for fly ash and natural pozzolans – Insights from a Monte-Carlo based thermodynamic modeling framework	105
New insights in the adsorption behavior of triethanolamine on OPC by experimental and theoretical study	105
Pumping of concrete: Understanding a common placement method with lots of challenges	103
Nanostructural evolution of Al(OH)3 gel formed by the cubic and orthorhombic ye'elimite clinkers of calcium sulfoaluminate cements in an ultra-wide hydration temperature range	100
On the significance of interfacial chemistry on the strength of fly ash-cement composites	99
Bio-inspired self-prestressing concrete (SPC) involving basalt fibers and expansive agent	96
Characterisation and hydration kinetics of β-C2S synthesised with K2SO4 as dopant	96
Shrinkage and carbonation of alkali-activated calcined clay-ground granulated blast furnace slag (GGBFS) concrete	95
Introducing Particle Shape Metric (PSM): A fundamental parameter that encapsulates role of aggregate shape in enhancing packing and performance	93
Development of more accurate methods for determining carbonation depth in cement-based materials	93
Chemical degradation of magnesium potassium phosphate cement pastes during leaching by demineralized water: Experimental investigation and modeling	89
Effect of alkali hydroxide on calcium silicate hydrate (C-S-H)	89
High early pozzolanic reactivity of alumina-silica gel: A study of the hydration of composite cements with carbonated recycled concrete paste	88
Distribution and dynamics of water in the blended pastes unraveled by thermoporometry and dielectric properties	88
Aluminate 2K systems in digital concrete: Process, design, chemistry, and outlook	88
A damage constitutive model for concrete under uniaxial compression capturing strain localization	87
On the origins of anisotropy of extrusion-based 3D printed concrete: The roles of filament skin and agglomeration	87
Quantification of nano-crystalline C-S-H in hydrated tricalcium silicate, Portland cement and fly ash cement using PONKCS method	87
New findings on the contribution of Mg-Al-NO3 layered double hydroxides to the hydration and chloride binding capacity of cement pastes	86
Editorial Board	86
Enhanced alite dissolution by CAH10 addition	85
Corrigendum to “Solubility and speciation of iron in cementitious systems”	84
Time-dependent water vapor desorption isotherm model of hardened cement paste	83
Mechanism underlying effect of expansive agent and shrinkage reducing admixture on mechanical properties and fiber-matrix bonding of fiber-reinforced mortar	82
New insight into the combined effect of aluminum sulfate and triethanolamine on cement hydration	82
Strain-rate sensitivity of cement composites: Insights from field's metal nano-inclusions	80
New insight into self-antifoaming effect of entrained CO2 bubbles in fresh cement paste	80
Incorporating elastic and creep deformations in modelling the three-dimensional autogenous shrinkage of cement paste	79
Experimental investigation of the short-term creep recovery of hardened cement paste at micrometre length scale	78
Continuous optical in-situ pH monitoring during early hydration of cementitious materials	78
Theoretical model for the coupling effect of moisture transport on chloride penetration in concrete	77
Dissolution-precipitation reactions of silicate mineral fibers at alkaline pH	77
CCR digital concrete 2022 SI: Editorial	77
Properties and hydration characteristics of an iron-rich sulfoaluminate cementitious material under cold temperatures	76
An experimental review of the reaction paths followed by alkali-activated slag pastes	76
Heating cement to slow down its hydration: The unexpected role of PCE interpolymer bridge formation	75
Dissolution and early hydration of tetracalcium aluminoferrite (C4AF) in water and in aqueous sulfate solutions	74
Hydration kinetics and microstructure evolution of NaCl-mixed tricalcium silicate pastes	74