Search Results - "Motahari Karein, S. Mahmoud"

A new approach for application of silica fume in concrete: Wet granulation by Motahari Karein, S. Mahmoud, Ramezanianpour, A.A., Ebadi, Taghi, Isapour, Soroush, Karakouzian, Moses

“…•Use of granulated silica fume in concrete.•The incorporate of granulated silica fume demonstrated significant performance in concrete.•The influence of…”
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Investigation of setting time and compressive strength of ready-mixed concrete blended with returned fresh concrete by Gebremichael, Negasi N., Motahari Karein, S. Mahmoud, Karakouzian, Moses, Jadidi, Kazem

“…•Recycling returned fresh concrete (RFC) by mixing with new concrete is feasible.•Workability, setting time and strength of RFC mixed with new concrete are…”
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Pretreatment of natural perlite powder by further milling to use as a supplementary cementitious material by Motahari Karein, S. Mahmoud, Vosoughi, Payam, Isapour, Soroush, Karakouzian, Moses

“…•Replacement of OPC with perlite powder slightly increases the water demand of fresh concrete.•There is a significant improvement in the transport properties…”
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Effects of calcined perlite powder as a SCM on the strength and permeability of concrete by Ramezanianpour, A.A., Motahari Karein, S. Mahmoud, Vosoughi, Payam, Pilvar, Amirreza, Isapour, Soroush, Moodi, Faramarz

“…•Calcined perlite powder could be used as a suitable SCM.•Effect of CPP on the compressive strength of concrete is studied.•Influence of CPP on the concrete…”
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Improving the hardened and transport properties of perlite incorporated mixture through different solutions: Surface area increase, nanosilica incorporation or both by Karein, S. Mahmoud Motahari, Balapour, Mohammad, Karakouzian, Moses

“…•Use of perlite powder with 3100 cm2/g and 3900 cm2/g specific surface areas and nanosilica hydrosols in the mortar.•Assessing compressive strength, chloride…”
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Effects of the mechanical milling method on transport properties of self-compacting concrete containing perlite powder as a supplementary cementitious material by Karein, S. Mahmoud Motahari, Joshaghani, Alireza, Ramezanianpour, A.A., Isapour, Soroush, Karakouzian, Moses

“…•Perlite powder could be used in concrete as a SCM.•Effects of mechanical milling method on transport properties of hardened concrete were evaluated.•Influence…”
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Effects of the mechanical milling method on transport properties of self-compacting concrete containing perlite powder as a supplementary cementitious material by Karein, S. Mahmoud Motahari, Joshaghani, Alireza, Ramezanianpour, A.A, Isapour, Soroush, Karakouzian, Moses

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