Journal of Sustainable Cement-Based Materials

Article	Citations
Optimization and characterization of pine needle fiber-reinforced and metakaolin-enhanced ultra-lightweight foam concrete for sustainable construction	30
Expansion in low calcium fly ash-based geopolymer concrete: chemical factors influenced by silica fume and NaOH concentration	30
Effect of superabsorbent polymers (SAPs) and fly ash on mechanical properties and microstructure of mortar	29
The effect of organic admixtures on the early nucleation of calcium silicate hydrate: non-classical nucleation mechanism	25
Effect of different lithological stone powders on properties of alkali-activated slag	24
Tension stiffening behaviors of reinforced ultra-high performance concrete	23
Experimental and simulation-based assessment of zeolite aggregate mortars for building thermal and energy performance in cold climates	21
Valorization of de-oiled sesame and sunflower seed residues as sustainable alternatives to limestone and supplementary cementitious materials in cement matrices	20
Optimized grinding of coal-based bottom ash for outperforming cementitious reaction	20
Mechanism of SCMs on the hydration, pore structure, and durability of UHPFRC	20
Review of active water: applications and impacts on concrete	20
Utilization of high-volume phosphogypsum in artificial aggregate by compaction granulation: effects of muck on physical properties, strength and leaching stability	19
Properties of binary eco-cement mortars made with reed ash from Mozambique	16
A self-healing method for concrete cracks based on microbial-induced carbonate precipitation: bacteria, immobilization, characterization, and application	16
Durability assessment of blended slag-fly ash geopolymer concrete in field conditions after 5 years	16
Effect of age and stress on creep damage characteristics of alkali-activated slag concrete	15
Fresh and hardened properties of cement paste blended with iron-rich calcined vanadium tailings containing kaolinitic clay	15
Utilization of multi-recycled aggregates from different concrete sources and effect of silica fume in multi-recycled concrete mixtures: an urban mining practice	14
Biochar and recycled gypsum drywall in concrete: role and effects on compressive behavior, microstructure, and carbon footprint	14
Effect of nano-TiO 2 and polypropylene fiber on the performance of alkali-activated slag-fly ash geopolymer mortar under −10 °C curing	13
Impact of pre-curing time, water-to-cement ratio, SCMs, and antifreeze on the freezing point of mortars: an electrical testing approach	12
Carbonation curing effect on belite-rich cement paste with sugar or salt additive as a set controller	11
Printability and pore structure of 3D printing low carbon concrete using recycled clay brick powder with various particle features	10
Self-healing by biocomposite containing metakaolin immobilized bacterial spores in concrete using low-cost corn steep liquor media	10
Development of a green ultra-high performance concrete (UHPC) based on carbonated recycled aggregate with different strengths	10

Sulfate transport assessment of cementitious materials-solidified saline soil	10
Investigation of the synthetic 5Mg(OH) 2 ·MgSO 4 ·7H 2	10
Assessment of the performance of alkali-activated slag/fly ash using liquid and solid activators: early-age properties and efflorescence	9
Correction	9
Synergistic regulation of workability, mechanical properties, and thermal-shrinkage behavior of C60 self-compacting concrete with ultra-fine mineral admixtures	9
Development and characterization of volume-stabilized grouts used for borehole heat exchangers	9
Effects of NaHCO 3 as the activator and the in-situ carbonate seeding on the properties of high-dosage Ca(OH) 2	9
Engineering properties and applicability of a novel alkali-activated industrial waste-based backfilling grouts in shield tunnels	9
Stress-strain behavior of sustainable geopolymer-based marine concrete for offshore infrastructure construction: effective utilization of sea-sand and coral wastes	9
Performance analysis and durability prediction of novel hydrophobic concrete under freeze-thaw cycles	8
Linking microstructure and macroscopic mechanical behavior of cemented granular materials using X-ray CT and uniaxial compressive test	8
MgO/fluid catalytic cracking (FCC) ash blends for 3D printing on vertical surfaces	8
Resistance to acid, alkali, chloride, and carbonation in ternary blended high-volume mineral admixed concrete	8
Investigation on the reinforcing of cementitious materials by nano-hydroxyapatites	8
Correction	8
Study of 3D printed concrete with low-carbon cementitious materials based on its rheological properties and mechanical performances	8
Valorization of bulk molding compound (BMC) waste in alkali-activated materials (AAMs) for paving applications: technical validation and life cycle assessment	8
Homogenization method for water permeability coefficient of concrete considering swelling effect of CSH	8
Thermic enhancement of pozzolanic reactivity of ground coal-based bottom ash as cement substitute	8
An experimental study on geopolymer mortars based on copper slag, metakaolin and ground granulated blast furnace slag: mechanical and durability perspective	8
Utilization of ground granulated blast-furnace slag and electrolytic manganese residue as a low-carbon cementitious material	7
Decoupling the effects of conductive fillers, water-binder ratio, and water reducer on the electrical and self-sensing properties of cementitious composites	7
Assessment of a novel rapid-hardening mortar incorporating waste basic oxygen furnace slag: mechanical behavior, durability, and environmental impact	7
Effect of recycled brick powder on the hydration process of cement paste	7
The microstructural characterization of alkali-activated binders incorporating waste clay brick powder with fly ash and GGBFS	7
Developing a comprehensive prediction model for the compressive strength of slag-based alkali-activated concrete	7
Research on the complementary mechanisms and properties of blast furnace slag, coal gangue, and fly ash ternary alkali-activated materials	7
Estimation of rapid chloride permeability of SCC using hyperparameters optimized random forest models	7
Bio-carbonation of reactive magnesia cement in geotechnical engineering practice: a state-of-the-art review	6
Early hydration of hot-stuffy steel slag-cement composite pastes: isothermal calorimetry and phase evolution	6
The mechanism of water release in superabsorbent polymer under different temperature and humidity environments	6
Investigation on the microstructure of a 3D-printed mortar through a novel leaching-subsidiary tomography	6
Application of low drying shrinkage ECC in the protection layer of thermal insulation wall	6
Carbon sequestration and life cycle assessment of an industrial waste-derived carbon sink binder under saline water utilization	6
Synergistic effect of physical modification and accelerated carbonation curing on the cementitious properties and carbon sequestration potential of biochar cement composites	6
Exploring the potential and strength characteristics of waste sodium silicate-bonded sand for sustainable application in alkali-activated slag concrete	6
Glass as a sustainable supplementary material in cementitious and geopolymer composites: a review	6
Correlation between microstructure characteristics and macroscopic behaviors of alkali residue-based foamed concrete	6
Low carbon technology roadmap of China cement industry	6
Optimizing nutmeg shell biochar production temperature for enhanced cement composite performance	6
Phase quantification analysis in cement-blended slag system with the PONKCS method	6
Study on early-age cracking resistance of multi-scale polypropylene fiber reinforced concrete in restrained ring tests	6
Tuning the hydration and printability in nano-modified quaternary binder systems for 3D-printed mortar	6
Improved thermoelectric properties of graphene reinforced multiphase cement composites: experiments and modeling	6
Strength development and durability requirement in recycled aggregate concrete: effect of drying and post curing	6
Adsorption capacity and mechanism of citric acid-modified chitosan on the cement particle surface	6
Rheological investigations of fresh fiber-reinforced cementitious composites using hydrophobic/hydrophilic UHMWPE fibers for 3D concrete printing evaluation	6
Assessment of self-healing behavior of polypropylene fiber-reinforced cement mortar with crystalline admixture: the effects of crack widths, cracking ages, and external conditions	6
Advancements and challenges in 3D concrete printing: an integrated insight into material formulation, structural performance and printing strategies for sustainable future	6
Artificial neural network-based prediction of compressive strength in sustainable one-part GGBS/POFA-based geopolymer mortar with synthesized sodium silicates	6

Development of eco-hydrophobic composite concrete: a multi-scale investigation of strength, durability, and sustainability metrics	5
Mechanochemical activation for transforming low-reactive industrial by-products to supplementary cementitious materials	5
Microbial self-healing concrete: computational approaches and material advancements	5
Microstructure-based three-dimensional study of sulfate deterioration in variably saturated concrete	5
Carbonated recycled concrete paste as an alternative to limestone and its impact on the hydration of ternary cement with metakaolin	5
Fatigue performance of ballastless track manufactured sand concrete: the influence of manufactured sand lithology and stone powder content	5
Effect of superabsorbent polymer internal curing on the performance of recycled aggregate concrete	5
Early-age autogenous shrinkage and tensile creep of concrete reinforced with polypropylene macro fiber	5
Properties and microstructures of limestone calcined clay cement (LC 3 ) mortars subjected to elevated temperatures	5
Comparative effects of limestone and fly ash on hydration, rheology, and strength of blended cements	5
Study on dynamic impact properties of hybrid PVA-steel fiber reinforced geopolymer mortar	5
Sustainable belite-ye’elimite-ferrite cement: utilizing ladle metallurgy furnace steel slag for low-cost and carbon-efficient production	5
Preparation and mechanical properties of Portland cement composites filled with bamboo fibres modified by acetic acid and fermentation treatment	5
A review on design and performance regulation of ultra-high performance concrete (UHPC)	5
Digital foam index for evaluating fly ash air entrainer interactions	5
Comparative study of an improved prediction model and machine learning methods in predicting the compressive creep of self-compacting concrete	5
Experimental and numerical studies on the chloride diffusion coefficient of calcium silicate hydrate gel	5
Synthesis, structure, and hydration of stoichiometric ye’elimite and iron-bearing ye’elimite	5
The influence and mechanism of retarder on the performance of sulfoaluminate cement grouting material with secondary aluminum ash sintered slag grinding powder	5
Visible light antibacterial potential of graphene-TiO2 cementitious composites for self-sterilization surface	5
The alkali–silica reaction of seawater-mixed mortar	4
Exploring novel aspects of designed macromolecular structures on their interactions with cement and nano/microsilica particles and rheological properties	4
Active rheology control of magneto-responsive cementitious materials: review and future perspectives	4
Data-driven inverse mix design for sustainable alkali-activated materials	4
Performance evaluation of fresh-to-fresh cast SCC/ECC and SCC/UHPC composites under the coupling effect of freeze-thaw and deicing solution	4
Improved interlayer bonding of 3D printed fiber reinforced geopolymer by healing agents: properties, mechanism, and environmental impacts	4
Physicochemical properties of cement waste-derived portlandite-substituted limestone calcined clay cement (LC 3 ) binders	4
Substitution of cement by marine clay in spray-based 3D concrete printing	4
Effectiveness of rice husk ash-derived alkali activator in fresh, mechanical, and microstructure properties of geopolymer mortar at ambient temperature curing	4
Effect of pore structure characteristics on the properties of red mud-based alkali-activated cementitious materials	4
Research on data driven and intrinsically explainable machine learning enabled compressive strength prediction and intelligent design of smart cementitious composites	4
Volcanic tuff ash as quartz replacement in autoclaved aerated concrete: microstructure modification and performance enhancement	4
Back-propagation neural network model enhanced by transfer learning for the prediction method of compressive strength of alkali residue-based foamed concrete	4
A comprehensive review of encapsulation-based self-healing concrete for construction applications	4
Modification of thermal-activated recycled cement with calcined coal gangue	4
Comparative study of LC3 mortars using waste and natural clays: a path toward green cement	4
Durability properties of concrete containing copper heap leach residue as aggregates: experimental and analytical assessments	4
Impact of groove-and-tongue parameters on the bonding behavior between 3d-printed UHP-SHCC and cast normal concrete	4
Synergistic hydration behavior of seawater geopolymer incorporating multiple solid waste precursors	4
Effect of early CO 2 curing on the chloride induced steel bars corrosion in cement mortars	4
Influence of microencapsulated phase change materials on drying shrinkage, pore structure, and gas permeability of blast-furnace slag and metakaolin-based geopolymers	4
Effect of nano-SiO 2 on the hydration products of C 3 S in Portland cement	4
A systematic review on properties of magnesium phosphate cement modified by mineral admixtures	4
Performance and microstructure evaluation of self-compacting UHPC containing silica fume and fly ash	4
Influence of unenriched and plant extract-enriched concrete pore solution on the survival and activity of ureolytic bacteria in bioconcrete	4
Synergistic effects of red mud, phosphogypsum and rice husk ash in cement	4
Reaction mechanisms and compressive strength development in sodium carbonate-activated soda–lime–silica glass	4
Influence of particle packing on the properties of multi-component cementitious systems	4
Evaluating the performance of internally cured limestone calcined clay concrete mixtures	4
Evaluation of polycarboxylate ether-based grinding aids on clinker grinding performance: the influence of pH	4
Intelligent design framework for compressive strength modeling of ultra-high-performance geopolymer concrete (UHPGC): grey wolf optimizer–integrated machine learning and experimental verification	4
Effect of loading frequency and water content on the compressive fatigue performance of ECC	4
A feasibility study on improving the crack resistance of thin-walled UHPC members by reinforcement with Fe-SMA wires	4
Synergetic effect of recycled E-waste fibers and ceramic waste fine aggregates on the strength of Sustainable high-strength concrete	3
Experimental study on macro–micro-structural properties and strength prediction model of wastewater concrete	3
A potential sustainable way for iron tailings sand in cast-in-situ concrete subjected to sulfate-chloride attack: performance and mechanisms	3
Morphological control and acid dissolution mechanism of struvite crystals	3
Synergistic effects of multi-sized slag in ultra high performance concrete preparation	3
Effect of elevated temperature on the micro-structure and pore size distribution of sustainable bio-fiber-reinforced ultra-high toughness cementitious composites	3
Reaction and microstructure of metakaolin-based geopolymer	3
Synergistic self-healing effect and mechanism of fiber and biological capsule on mortar cracks	3
A critical review of 100 years of permeability tests for the sustainability of concrete structures	3
Uncovering the role of hydrophobic silica fume (HPS) in rheology, hydration, and microstructure of ultra-high-performance concrete (UHPC)	3
Optimization design and microstructure analysis of ultra-high performance cement-based composites	3
Incorporation of a high volume of cenosphere particles in low water-to-cement matrix for developing high strength and lightweight cementitious composites	3
Optimization of ultra high performance concrete with coarse aggregate for enhanced sustainability: a comprehensive assessment of slump flow and mechanical properties	3
Editorial	3
Carbonation hardening of Portland limestone cement: from laboratory testing to industrial applications	3
Enhancing the properties of high-performance concrete using micro and nano palm oil fuel ash	3
Synergistic effects of graphene nanoplatelets and para-wood ash on the mechanical behavior of recycled aggregate concrete	3
Synthesis and properties of belite-ye’elimite-ternesite cement clinker at 1200 °C	3
A review on the utilization of dredged sludge as a promising low-carbon supplementary cementitious material: activation, properties and microstructure	3
Effects of carbonation on the compressive strength of autoclaved aerated concrete with different Ca/Si ratios	3
Accelerated carbonation and stabilization of BOF slag: data fitting relationship between particle size and CO 2 sequestration	3
Hydration characteristics and hydration products of calcium sulfoaluminate cement and fly ash blended pastes	3
Elucidating the role of particle packing on drying shrinkage behavior of ultra-high performance concrete (UHPC)	3
Research progress on use of carbon nanotubes in cementitious grouting materials	3
Influence of curing conditions on microstructural evolution in cement pastes: a comparative study	3
CO 2 sequestration through alkali-activated steel slag: a review	3
Electrochemical dielectric response of steel corrosion induced by chloride in simulated concrete pore solution	3

Preparation of belite–ye’elimite–ferrite (BYF) cement from aluminum residues and steel slag: clinker production and hydration behavior	3
Effects of CO 2 and chloride ion interaction on the durability of one-part nickel slag geopolymer	3
Investigation on the mechanical and durability performance of high-strength concrete utilizing high molarity internal curing compounds	3
Hydration mechanism of anhydrite and calcium sulfoaluminate co-activated slag cement: insights into the role of composition	3
Investigating the effect of carbon fiber dosage on the mechanical and thermoelectric properties of ultra-high-performance fiber-reinforced concrete	3
Sodium sulfate and magnesium sulfate resistances of mortar with multi-binder systems of calcined kaolinite clay, fly ash, and limestone powder	3
Correction	3
Influence of the early-age length change of alkali-activated slag mortars on the corrosion of embedded steel	3
Degree of reactivity and strength evolution of ground steel slag-based composite binder – experimental and numerical analysis	3
Enhancing freeze–thaw and high-temperature resistance of one-part alkali-activated slag foam concrete with waste concrete powder: role of curing conditions and fiber reinforcement	3
Mix design of FA-GGBS based lightweight geopolymer concrete incorporating sintered fly ash aggregate as coarse aggregate	3
Study on the performance optimization and carbon sequestration effects of carbon dioxide foam cement	3
Effect of bentonite on the sulfate durability of seawater coral-aggregate concrete	2
Durability properties of fiber-reinforced geopolymer concrete with natural and industrial waste mineral admixtures	2
Quantitative investigation of the shear bond performance between normal-strength and ultra-high-performance concrete under the influence of surface roughness	2
Volume stability of Portland-dolomite cement pastes cured in different conditions	2
Fractal characteristics of particle groups and mechanochemical effects of Yellow River sediment after mechanical grinding	2
Durability of Alkali activated concrete made using multiple precursors as primary binders	2
Improvement effect of a double-level phase change material on compressive strengths of Portland cementitious materials after elevated temperatures	2
Improving environmental efficiency of ultra-high-performance concrete (UHPC) through appropriate application of ultrafine quartz powder	2
Designing fly ash-based engineered geopolymer composites: Mechanical properties, chloride ion resistance, and microstructure	2
Sodium dihydrogen phosphate-induced promotion of merwinite carbonation for strength enhancement and efficient CO 2 sequestration	2
Durability and microscopic mechanisms of coal gangue-calcium carbide residue geopolymer binder material	2
Effect of recycled coarse aggregate on the tensile stress–strain curve of seawater sea-sand concrete	2
Surfactants-styrene butadiene latex synergistic enhancement of bamboo scraps/magnesium oxychloride light composite interface compatibility	2
High-strength low paste volume ternary-blended 3D printed one-part geopolymer concrete: rheology, hardened mechanics, and microstructure	2
Effect of Al 2 O 3 content in slag on the relationship between slag reactivity and carbonation resistance	2
Exploring sustainable alternatives: quarry dust and sugar cane bagasse ash in sodium and potassium-based alkali-activated binders for enhanced mechanical and durability properties	2
An investigation on the performance enhancement and cost reduction of engineered cementitious composites developed with local PVA and PET fibers	2
A comprehensive review of direct aqueous mineral carbonation of industrial wastes using principal component analysis	2
Properties of limestone calcined clay cement (LC3) mortar under different types of biochar – hydration kinetics, strength development, and chloride resistance	2
Post-treatment bacterial self-healing for high-temperature-induced damage in concrete: toward enhanced durability and sustainability	2
The role of nano-silica and cellulose nanofibers in enhancing high-early-strength concrete	2
Comparative study on the enhancement of interfacial strength in carbon fiber reinforced concrete modified by ethylene-vinyl acetate copolymer and silane coupling agent	2
Research on carbonation percentage of carbonated recycled concrete fine aggregate: experimental investigation and machine learning prediction	2
Performance evaluation of innovative backfill materials containing phase change materials with low melting points for geothermal energy piles in cold regions	2
MgO activated calcined marine clay and its carbonation	2
The influence of additive MgO and its content on the carbonation resistance of alkali-activated slag concrete with different activators	2
Physicochemical-aware ensemble learning and design of sustainable concrete	2
Use of C–S–H nano-crystal and waste incineration fly ash in cement-based materials containing coal gangue powder: insight into hydration characteristic	2
Grinding method and sulfate content influence on LC 3 cement production using waste as spent fluid catalytic cracking catalyst (FCC) and marble dust	2
The compressive strength, reaction kinetics and phases evolution of CO 2 -cured cement pastes at low temperatures	2
Diffusion dynamics in ecological concrete studied by neutron imaging method	2
Utilization of sandstone waste in cement mortar for sustainable production of building materials through biomineralization	2
Fracture performance of ultra high performance concrete (UHPC) at different curing ages: experimental investigation and unified formulation	2
Role of ground blast furnace slag (GBFS) as a micro-milling and micro-aggregating agent in reactivated cement fines (RCFs)	2
Mutualism of barnacles and marine concrete: a review of interactions, challenges, and opportunities toward eco-friendly coastal infrastructure	2
Assessment of the durability and environmental impact of seawater-activated portlandite-calcined clay binder	2
Differential effects of metakaolin and ground granulated blast furnace slag on the hydration and long-term performance of magnesium potassium phosphate cement	2
Role of minor quantities of NaAlO 2 in carboaluminate cementitious material	2
Accelerated carbonation of waste-modified cement pastes: material-specific responses and implications	2
Evaluation of self-cleaning performance of TiO 2 -intermixed and TiO 2 -coated cement mortars unde	2
Development of novel ultra-high-performance lightweight concrete modified with dehydrated cement powder and aerogel	2
Design of shrinkage-reducing lightweight functional aggregate for UHPC: water release performance and internal curing effect	2
Fresh and hardened properties of 3D printed concrete with cement kiln dust and CO 2	2
Improvement in mechanical properties and microstructure of electric arc furnace slag bricks by microbial accelerated carbonation	2
Strength, shrinkage, heat evolution, and microstructure of high performance concrete containing high proportions of ground bottom ash blended with fly ash	2
Study on the piezoresistivity and conductive network model of nickel-plated carbon fibre reinforced concrete	2
Use of nano-silica in cement-based materials – a comprehensive review	2
Reactions involved in carbonation hardening of Portland cement: effect of curing temperature	2
Optimization of permeability resistance and micro-mechanism analysis of backfilling grouting materials for shield tunnel based on factorial design	2
Application of electric arc furnace slag as an alternative precursor to blast furnace slag in alkaline cements	2
Effect of cement on carbonation behaviors of argon oxygen decarburization stainless steel slag (AODS)	2
Preparation of high flexural strength rankinite cement benefiting from formation of aragonite whisker during carbonation curing	2
Sustainable mix design of ultra-high performance concrete incorporating recycled brick powder: mechanical, durability, and microstructural effects	2
Low-clay soil as fine aggregate in 3D printed concrete: insights into fresh and hardened properties	2
Comparative analysis of geotechnical and microstructural properties of biocemented coal bottom ash composite enhanced by bacterial bioaugmentation with Sporosarcina pasteurii	2
Effect of novel gram-positive bacteria and fungi on the durability, corrosion resistance performance, and self-healing ability of concrete over various curing conditions	2
Effect of power ultrasound-assisted mixing on the hydration and microstructural development of cement paste	2
Enhanced underwater toughness and tunable setting time of cement-based materials by acrylamide in-situ polymerization	2
Multi-scale characterization of the self-healing behavior of long-term cement-based materials with superabsorbent polymers	2
Understanding the mechanisms behind the effects of limestone powder on microstructure evolution of cement paste	2
A microbial mineralization-based strategy for activating low-carbon recycled concrete powder: mechanical properties and hydration behavior	2
Carbonation of calcium sulfoaluminate belite binder: mechanism and its implication on properties	2
Pore structure characteristics of recycled aggregate concrete damaged by salt frost action and the effects on mass transport properties	2
Rheology of clay-based cement systems – a review	2
Effects of micro- and macro- fibers in Textile Cementitious Composite (TCC) on mechanical performance and their green alternative approaches	2
Preparation and properties of calcium aluminum silicate hydrate–polycarboxylate nanocomposites (CASH–PCE)	2
Research on rheology performance and sealing effect of alkali-activated GGBS paste used for tunnel leakage plugging	2
Feasibility and carbon footprint assessment of tuff tunnel slag powder as a geopolymer precursor	2
Research progress on the application of shape memory alloys for crack closure and deformation recovery in cement-based materials	2
Effect of polycarboxylate-based water-reducing admixture chains length on portland cement-admixture compatibility	2
Evaluating the self-healing capacity of textile-derived cellulose in cementitious composites	2
Comparison of stearic acid and oleic acid for shrinkage-mitigating of alkali-activated slag composites	2
Steel corrosion development in seawater-mixed mortar	1
Prediction and investigation of water repeated absorption and release properties of superabsorbent polymers during the dry-wet cycles in different solutions	1
Influence of rheology modifying admixtures on the buildability of 3D printing cement-based mortars	1
Alkaline-activated cements synthesized from spent diatomaceous earth and different industrial sludge ashes	1
Self-reducing hexavalent chromium in clinker at high temperature via controlling the surface tension of melts	1
Use of low-grade kaolinite clays in the production of limestone calcined clay cement	1
Short-term thermal activation of clay-bearing aggregates for alkali-silica reactivity mitigation	1
Evaluation of aggregates, fibers and voids distribution in 3D printed concrete	1
Preparation of green concrete using recycled aggregate in alkali-activated concrete	1
Performance and hydration of ternary cements based on Portland clinker, carbonated recycled concrete paste (cRCP) and calcined clay	1
Characterization of porosities and optimization of mix design of pervious concrete using image analysis	1