Kiachehr Behfarnia

ORCID: 0000-0003-0881-9849
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Research Areas
  • Innovative concrete reinforcement materials
  • Concrete and Cement Materials Research
  • Magnesium Oxide Properties and Applications
  • Structural Behavior of Reinforced Concrete
  • Recycled Aggregate Concrete Performance
  • Concrete Properties and Behavior
  • Concrete Corrosion and Durability
  • Structural Load-Bearing Analysis
  • Smart Materials for Construction
  • Fire effects on concrete materials
  • Infrastructure Maintenance and Monitoring
  • Masonry and Concrete Structural Analysis
  • Structural Response to Dynamic Loads
  • Urban Stormwater Management Solutions
  • Innovations in Concrete and Construction Materials
  • Water Quality Monitoring Technologies
  • Structural Engineering and Vibration Analysis
  • 3D Printing in Biomedical Research
  • Seismic Performance and Analysis
  • Asphalt Pavement Performance Evaluation
  • Mechanical stress and fatigue analysis
  • Microbial Applications in Construction Materials
  • Natural Fiber Reinforced Composites
  • Structural Health Monitoring Techniques
  • Dam Engineering and Safety

Isfahan University of Technology
2015-2024

10.1016/j.conbuildmat.2016.12.072 article EN Construction and Building Materials 2016-12-30

10.1016/j.conbuildmat.2013.07.037 article EN Construction and Building Materials 2013-08-23

In this study, the effect of alkali concentration and sodium silicate modulus activator solution on workability, compressive strength, drying shrinkage alkali-activated slag (AAS) concrete was investigated experimentally. Twenty mixes were prepared with ground granulated blast furnace (GGBFS) activated various concentrations modulus. The strength at ages 7, 28 90 days measured samples up to 400 measured. Based results, in most mixes, by increasing solution, slump, rate increased, but setting...

10.3151/jact.16.293 article EN Journal of Advanced Concrete Technology 2018-07-12

Alkali activated slag (AAS) concrete can be considered as a more environmentally friendly alternative to conventional concrete. The presence of cracks in the matrix have major impacts on its mechanical properties and permeability, thereby durability. This study investigates effect adding polypropylene (PP) fiber alkali compressive, flexural, tensile strengths also short-term total water absorption, impermeability, chloride carbonation depth. In addition, changes made by PP microstructure AAS...

10.1061/(asce)mt.1943-5533.0002073 article EN Journal of Materials in Civil Engineering 2017-09-20

Urban storm runoff is one of the significant sources surface and groundwater pollution in metropolitan areas. The purpose this research to evaluate performance porous concrete containing iron slag with sand filter control urban storm-runoff pollution. Treatments presence absence a were studied compared. Parameters chemical oxygen demand (COD), turbidity, concentration lead, electrical conductivity (EC), total suspended solids (TSS), pH treatment media influent effluent measured. results show...

10.1061/(asce)ee.1943-7870.0001025 article EN Journal of Environmental Engineering 2015-10-06

In this paper, the effects of combined usage micro-silica (MSi) and/or nano-silica (NSi) on drying shrinkage and compressive strength self-compacting concrete (SCC) were investigated. For purpose, twenty-four types SCC mixes made with w/b ratios 0.35, 0.40, 0.45 different percentages MSi NSi applied in research. The replacement included 10% MSi, 1, 2 or 3% NSi, 9% + 1% 8% 2% 7% NSi. obtained results revealed that use reduced 150-day up to 17%, while it increased 90-day by 38%, as compared...

10.1080/21650373.2020.1755382 article EN Journal of Sustainable Cement-Based Materials 2020-04-20

The development of cracks in concrete structures is one the significant issues with maintaining high strength after hardening. One way to prevent and control this problem use fibers. This paper investigates containing electric arc furnace slag aggregates reinforced fibers used study are steel three kinds polypropylene fibers; polyolefin (modified polypropylene), homopolymer, high-toughness polypropylene. By checking compressive flexural concretes made fibers, it can be seen that best results...

10.1016/j.jobe.2022.105543 article EN cc-by-nc-nd Journal of Building Engineering 2022-11-24
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