This study evaluates the impact resistance and mechanical properties of a number developed self-consolidating rubberized concrete (SCRC) mixtures reinforced with steel fibers (SFs). In this research, SFs were used to compensate for reduction in tensile flexural strength that resulted from adding high volumes crumb rubber (CR). also exploit beneficial interaction between CR develop low-density higher resistance. The experimental variables different replacement levels fine aggregate volume by...

This research investigated the performance of full-scale self-consolidating rubberized concrete (SCRC) and vibrated (VRC) beams in flexure. The beam mixtures were developed with a maximum possible percentage crumb rubber (CR) (0 to 50% by volume sand) while maintaining acceptable fresh properties minimum strength reduction. mixture variables included different binder contents, addition metakaolin, use air entrainment. tested was evaluated based on load-deflection response, strain/stiffness,...

This study assessed the impact resistance of self-consolidating engineered cementitious composite (SCECC) using American Concrete Institute (ACI) Committee 544's repeated drop-weight test and flexural loading test. The investigation also evaluated compressive strength, splitting tensile modulus elasticity tested mixtures. Fly ash (FA), which is typically used in common SCECCs, was partially replaced by slag (SL), silica fume (SF), and/or metakaolin (MK). Also, microsilica sand (SS), primary...

This paper investigates the applicability of using optimized self-consolidating rubberized concrete (SCRC) and vibrated (VRC) mixtures in structural applications. The curvature ductility, ultimate flexural strength, cracking characteristics different SCRC VRC were tested large-scale reinforced beams. variables crumb rubber (CR) percentage (0–50% by volume sand), binder contents (500–550 kg/m3), inclusion metakaolin (MK), use air entrainment, type. performance some design codes evaluated...

This study aims to investigate the feasibility of utilizing waste rubber as a partial replacement for silica sand in development self-consolidating engineered cementitious composite (SCECC). The effects percentage (0–50%), size [crumb (CR) and powder (PR)], supplementary cementing materials (SCMs) (fly ash, ground-granulated blast-furnace slag, fume, metakaolin) on fresh hardened properties SCECC were studied. results indicated that both CR PR had promising potentials be more economical...

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This paper investigates the effect of replacing silica sand (SS) with waste rubber aggregates on long-term mechanical and transport properties structurally engineered cementitious composites (ECCs). ECC mixtures prepared 0 to 30% crumb (CRS) or 40% powder (PRS) were tested for up 360 days curing. The addition ground granulated blast-furnace slag (GGBS), metakaolin (MK), fume (SF) in PRS-ECCs incorporated binary mineral admixture–based fly ash (FA) was also investigated. compressive flexural...

The aim of this study was to develop and optimise self-consolidating rubberised concrete (SCRC) modified by different types volumes synthetic fibres (SFs). Steel were also tested in investigation for comparison. particularly sought utilise the beneficial effect alleviate reduction splitting tensile flexural strengths resulting from adding crumb rubber (CR) SCRC mixtures. results indicated that addition SFs reduced fresh properties, which limited maximum percentage CR could be used mixtures...

An experimental investigation was conducted to study the development of self-consolidating rubberized concrete (SCRC) with improved flowability, passing ability, stability, and strength for multiple structural applications. The particularly aimed maximize percentage used crumb rubber (CR) in SCRC while minimizing reduction stability developed mixtures. test parameters included CR (0–50% by volume sand), binder content (500–550 kg/m3), coarse aggregate size (10–20 mm), air entrainment,...

Abstract The existence of diverse modeling approaches for masonry-infilled frames causes uncertainty among practicing engineers when seeking a definitive model their design practice. This paper presents practical and simple approach to the frames. proposed models plasticity in beams columns reinforced concrete (RC) using flexural plastic hinges while masonry panel as nonlinear equivalent strut. implementation hinge is based on discretizing frame cross-section into fibers utilizing popular...

Reinforced concrete (RC) tanks are essential for storing liquids and bulk materials across various industries. However, simplified analytical methods fall short in providing an accurate analysis, while traditional methods, such as finite element modeling, can be computationally intensive time-consuming, especially when dealing with nonlinear material properties complex geometries, like conical cylindrical shapes. This highlights the need a more efficient analysis approach. Accordingly,...

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The shear behaviour of large-scale engineered cementitious composite (ECC) beams reinforced with different types fibre was evaluated. Four were used: 8 and 12 mm long polyvinyl alcohol fibres (PVA8 PVA12), 19 polypropylene (PP19) 13 steel (SF13). An additional normal concrete (NC) beam comparable compressive strength cast tested for comparison. performance all the test evaluated through their load–deflection curves, cracking behaviour, first crack load, diagonal ultimate ductility energy...