Influence of steel fibers and microsilica on the mechanical properties of ultra-high-performance geopolymer concrete (UHP-GPC)

Aisheh, Yazan I. Abu; Atrushi, Dawood Sulaiman; Akeed, Mahmoud H.; Qaidi‏, Shaker; Tayeh, Bassam A.

doi:10.1016/j.cscm.2022.e01245

Cited by 46 publications

(38 citation statements)

References 36 publications

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“…ˑMost ˑUHPC ˑstructures ˑrequire ˑonly ˑhalf ˑthe ˑsection ˑdepth ˑof ˑtypical ˑreinforced ˑor ˑpre-stressed ˑconcrete ˑcomponents, ˑresulting ˑin ˑweight ˑsavings ˑof ˑup ˑto ˑ70% ˑ [96]. ˑUHPC ˑstructures' ˑlighter ˑweight ˑconstruction ˑand ˑmaterial ˑefficiency ˑresult" ˑin ˑa ˑmore ˑsustainable ˑstructure ˑwith ˑfewer ˑcarbon ˑfootprints ˑ [97] ˑ [98][99][100][101][102][103].…”

Section: Example Of Bridging Applicationsmentioning

confidence: 99%

Ultra-High-Performance Fiber-Reinforced Concrete: Applications

Qaidi‏¹

2022

Preprint

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UHPC is a type of cement-based composite used in new construction and/or rehabilitation of existing buildings to extend service life. It is a novel composite material that can serve as an alternative to concrete construction in hostile climates. Following decades of study and production, a diverse variety of commercial UHPC compositions are now available globally to meet the rising number of applicants and demand for high-quality building materials. Although UHPC offers major benefits over normal concrete, its utilization is restricted due to restrictive design rules and exorbitant costs. As a result, a thorough examination of the durability properties of UHPC is required to give important information for material testing requirements and processes, as well as to broaden its practical uses. This report is aimed at increasing basic understanding of UHPC and supporting more UHPC research and applications.

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Section: Example Of Bridging Applicationsmentioning

confidence: 99%

Ultra-High-Performance Fiber-Reinforced Concrete: Applications

Qaidi‏¹

2022

Preprint

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“…Concrete "workability is ˑdefined ˑas ˑthe ˑeffort ˑrequired ˑto ˑmanipulate ˑa ˑfreshly ˑmixed ˑquantity ˑof ˑconcrete ˑwith ˑminimal ˑloss ˑof ˑhomogeneity ˑ(uniformity) ˑ [15,[33][34][35]44]. ˑManipulation ˑrefers ˑto ˑthe ˑearly-age ˑprocedures ˑof ˑplacing, ˑcompacting, ˑand ˑfinishing ˑ [45].…”

Section: Workabilitymentioning

confidence: 99%

“…ˑHowever, ˑthe ˑmajor ˑpurpose ˑof ˑutilizing ˑfiber ˑin ˑthe ˑconcrete ˑmix is to transfer the generated load ˑacross ˑdifferent ˑparticles ˑand ˑto ˑprepare ˑthe ˑload ˑtransferring ˑconsistency. ˑThis ˑconsistency ˑcould ˑbe ˑlowered ˑby ˑweakening ˑthe ˑbond ˑbetween ˑthe ˑsteel ˑfiber ˑand" ˑthe ˑmatrix [33,[38][39][40]92].…”

Section: Homogeneity and Porositymentioning

confidence: 99%

“…ˑKeer [30] ˑreported ˑthat ˑsynthetic ˑfiber ˑincreases ˑthe ˑpermeability ˑof ˑconcrete ˑdue ˑto ˑtheir ˑporous ˑinterfacial ˑtransition ˑzone ˑ(ITZ). ˑAs ˑfar ˑas ˑthe ˑmechanical performances of ˑconcrete ˑare ˑconcerned, ˑvarious ˑresearchers ˑ [15,[31][32][33][34][35] ˑhave ˑstudied ˑthe ˑfibers' ˑeffect ˑon ˑconcrete ˑunder ˑcompression ˑor ˑtension. ˑThey ˑhave ˑreported ˑthat ˑthe ˑfibers ˑincrease ˑthe ˑtensile ˑstrength ˑof ˑconcrete, ˑbut ˑnot ˑnecessarily ˑits ˑcompressive ˑstrength.…”

Section: Introductionmentioning

confidence: 99%

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Ultra-High-Performance Fiber-Reinforced Concrete: Fresh Properties

Qaidi‏¹

2022

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UHPC is a cement-based composite that is used in new construction and/or renovation of existing structures to increase their service life. It is a unique composite material that may be used as an alternative to concrete in harsh conditions. Following decades of research and development, a wide range of commercial UHPC compositions are now accessible across the world to fulfill the growing number of applications and demand for high-quality construction materials. Although UHPC has significant advantages over conventional concrete, its use is limited because of rigid design restrictions and excessive pricing. As a consequence, a detailed analysis of UHPC's durability qualities is necessary to provide critical information for material testing requirements and methods, as well as to widen its practical applications. The goal of this study is to learn more about UHPC and to encourage more research and use of UHPC.

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“…ˑIn ˑconjunction ˑwith ˑexperimental ˑdata, ˑmathematical ˑempirical ˑmodels ˑcan be developed to determine the impacts of mixture ˑdesign ˑparameters ˑon ˑfresh ˑmortar ˑqualities ˑ(workability, ˑresistance, ˑviscosity) ˑand ˑhardened ˑmortar ˑproperties" ˑ(maximum ˑflexural ˑand ˑcompressive ˑstrength ˑand ˑtoughness ˑcharacters) ˑ [31][32][33][34][35][36][37][38][39].…”

Section: Uhpfrc Mixesmentioning

confidence: 99%

Ultra-high-performance fiber-reinforced concrete (UHPFRC): A mini-review of the challenges

Qaidi‏

2022

Preprint

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Ultra-high-performance concrete (UHPC) is a cement-based material that can be used to build new buildings or fix up old ones to make them last longer. It is a revolutionary composite material that may serve as a viable substitute for concrete construction in hostile environments. After decades of research and development, a broad variety of commercial UHPC compositions have been created across the globe to meet the expanding number of uses and demand for high-quality building materials. The usage of ultra-high performance concrete is restricted because of its exorbitant cost and restricted design standards. Therefore, a thorough examination of the durability properties of UHPC is necessary to offer vital data for material testing criteria and methods and to broaden its practical uses. It is hoped that this article will help people understand UHPC better and encourage more research and applications.

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Influence of steel fibers and microsilica on the mechanical properties of ultra-high-performance geopolymer concrete (UHP-GPC)

Cited by 46 publications

References 36 publications

Ultra-High-Performance Fiber-Reinforced Concrete: Applications

Ultra-High-Performance Fiber-Reinforced Concrete: Applications

Ultra-High-Performance Fiber-Reinforced Concrete: Fresh Properties

Ultra-high-performance fiber-reinforced concrete (UHPFRC): A mini-review of the challenges

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