OOIR: Observatory of International Research

Papers

(The H4-Index of Cement & Concrete Composites is 71. 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 2020-11-01 to 2024-11-01.)

Article	Citations
The utilization of eco-friendly recycled powder from concrete and brick waste in new concrete: A critical review	306
Large-scale 3D printing concrete technology: Current status and future opportunities	231
Extrusion-based concrete 3D printing from a material perspective: A state-of-the-art review	223
Mix design concepts for 3D printable concrete: A review	193
Sustainable materials for 3D concrete printing	147
Characterization of sustainable mortar containing high-quality recycled manufactured sand crushed from recycled coarse aggregate	146
Interpretable Ensemble-Machine-Learning models for predicting creep behavior of concrete	143
Mechanical properties and water absorption of cement composites with various fineness and contents of waste brick powder from C&D waste	142
Sustainable use of red mud in ultra-high performance concrete (UHPC): Design and performance evaluation	138
Integrating reinforcement in digital fabrication with concrete: A review and classification framework	137
Rheology of alkali-activated materials: A review	137
Engineered Cementitious Composites (ECC) with limestone calcined clay cement (LC3)	136
Progress, current thinking and challenges in geopolymer foam concrete technology	133
3D printing eco-friendly concrete containing under-utilised and waste solids as aggregates	132
Mechanisms underlying the strength enhancement of UHPC modified with nano-SiO2 and nano-CaCO3	130
Effect of alkali reactions on the rheology of one-part 3D printable geopolymer concrete	121
Influence of hydroxypropyl methylcellulose and silica fume on stability, rheological properties, and printability of 3D printing foam concrete	121
Effects of carbon nanotube dosage and aggregate size distribution on mechanical property and microstructure of cemented rockfill	119
CT scanning of internal crack mechanism and strength behavior of cement-fiber-tailings matrix composites	113
Ultra-high-strength engineered/strain-hardening cementitious composites (ECC/SHCC): Material design and effect of fiber hybridization	112
A comparison of liquid-solid and gas-solid accelerated carbonation for enhancement of recycled concrete aggregate	110
High-strength seawater sea-sand Engineered Cementitious Composites (SS-ECC): Mechanical performance and probabilistic modeling	110
Unloading and reloading stress-strain relationship of recycled aggregate concrete reinforced with steel/polypropylene fibers under uniaxial low-cycle loadings	109
Thixotropic structural build-up of cement-based materials: A state-of-the-art review	108
Technologies for improving buildability in 3D concrete printing	107

Classification and quantification of cracks in concrete structures using deep learning image-based techniques	107
High-strength high-ductility Engineered/Strain-Hardening Cementitious Composites (ECC/SHCC) incorporating geopolymer fine aggregates	105
Long-term shrinkage and mechanical properties of fully recycled aggregate concrete: Testing and modelling	103
Influence of reactivity and dosage of MgO expansive agent on shrinkage and crack resistance of face slab concrete	102
Influence of supplementary cementitious materials on rheological properties of 3D printed fly ash based geopolymer	98
Hardening evolution of geopolymers from setting to equilibrium: A review	95
Nanomaterials in ultra-high-performance concrete (UHPC) – A review	94
Stiffening control of cement-based materials using accelerators in inline mixing processes: Possibilities and challenges	94
Effect of different grade levels of calcined clays on fresh and hardened properties of ternary-blended cementitious materials for 3D printing	94
A review on mechanical properties and deterioration mechanisms of FRP bars under severe environmental and loading conditions	94
Machine learning to predict properties of fresh and hardened alkali-activated concrete	91
Ambient temperature cured ‘just-add-water’ geopolymer for 3D concrete printing applications	90
Seawater sea-sand Engineered Geopolymer Composites (EGC) with high strength and high ductility	89
Ultraductile waterborne epoxy-concrete composite repair material: Epoxy-fiber synergistic effect on flexural and tensile performance	89
Development of nano-silica treatment methods to enhance recycled aggregate concrete	88
High-ferrite Portland cement with slag: Hydration, microstructure, and resistance to sulfate attack at elevated temperature	87
Rheological properties, compressive strength, hydration products and microstructure of seawater-mixed cement pastes	86
Development of sustainable concrete incorporating seawater: A critical review on cement hydration, microstructure and mechanical strength	86
Multifunctional cementitious composites with integrated self-sensing and hydrophobic capacities toward smart structural health monitoring	86
Prediction of concrete strengths enabled by missing data imputation and interpretable machine learning	85
In-situ assessment of the water-penetration resistance of polymer modified cement mortars by μ-XCT, SEM and EDS	84
Surface characterization of carbonated recycled concrete fines and its effect on the rheology, hydration and strength development of cement paste	84
Bio-based ultra-lightweight concrete applying miscanthus fibers: Acoustic absorption and thermal insulation	82
The bond between geopolymer repair mortars and OPC concrete substrate: Strength and microscopic interactions	82
Mixture design methods for ultra-high-performance concrete - a review	81
Waste-derived activators for alkali-activated materials: A review	80
Alkali cation effects on chloride binding of alkali-activated fly ash and metakaolin geopolymers	79
Theoretical quantification for cracks repair based on microbially induced carbonate precipitation (MICP) method	79
Development of fly ash and slag based high-strength alkali-activated foam concrete	78
Long-term hydration and microstructure evolution of blended cement containing ground granulated blast furnace slag and waste clay brick	78
Precise design and characteristics prediction of Ultra-High Performance Concrete (UHPC) based on artificial intelligence techniques	77
3D concrete printing of permanent formwork for concrete column construction	77
Mechanical anisotropy of ultra-high performance fibre-reinforced concrete for 3D printing	77
A review: Material and structural properties of UHPC at elevated temperatures or fire conditions	77
Exploring the coupled mechanism of fibers and bacteria on self-healing concrete from bacterial extracellular polymeric substances (EPS)	76
Effect of recycled tyre polymer fibre on engineering properties of sustainable strain hardening geopolymer composites	75
Effect of various polymer fibers on spalling mitigation of ultra-high performance concrete at high temperature	75
Research on the self-sensing and mechanical properties of aligned stainless steel fiber-reinforced reactive powder concrete	75
Quantitative evaluation of the characteristics of air voids and their relationship with the permeability and salt freeze–thaw resistance of hybrid steel-polypropylene fiber–reinforced concrete composi	74
3D printing geopolymers: A review	73
Evaluation of pervious concrete performance with pulverized biochar as cement replacement	73
Construction and demolition waste-based geopolymers suited for use in 3-dimensional additive manufacturing	72
Research progress on the dynamic compressive properties of ultra-high performance concrete under high strain rates	72
Macro–meso–micro experimental studies of calcined clay limestone cement (LC3) paste subjected to elevated temperature	72
3D printable concrete with natural and recycled coarse aggregates: Rheological, mechanical and shrinkage behaviour	72
Sprayable engineered cementitious composites (ECC) using calcined clay limestone cement (LC3) and PP fiber	71
From analytical methods to numerical simulations: A process engineering toolbox for 3D concrete printing	71