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Author/Affiliation: Siti Asmahani Saad

The Relation of Compression Strength with Modulus of Rupture and UPV of Concrete Containing M-sand as Fine Aggregate

by Altamashuddinkhan Nadimalla, Siti Aliyyah Masjuki, Siti Asmahani Saad, Maisarah Ali and Shuhairy Norhisham

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 5, Page # 39–46, 2020; DOI: 10.25046/aj050506

Abstract:

The impact of Manufacture sand on UPV, compression strength and modulus of rupture has been experimentally investigated and discussed in this paper. Concrete grade 30 (30Mpa) were produced with different percentage of M sand substitution ranging from 25%, 50%, 75% and 100% by volume were selected as concrete mix design in this project. The strength…

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(This article belongs to Section Civil Engineering (ECV))

The Impact of Manufactured Sand (M-Sand) as Partially and Fully Replacement of Fine Aggregate in Concrete

by Altamashuddinkhan Nadimalla, Siti Aliyyah Masjuki, Siti Asmahani Saad, Ean Lee Woen, Siti Maisarah Ali and Naseer Ulla

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 1, Page # 302–306, 2020; DOI: 10.25046/aj050138

Abstract:

In fast charging station for Battery Electric Vehicles (BEVs) the three-phase PWM (Pulse Width Modulation) inverters generate parasitic Differential-Mode Voltages (DMV) and Common-Mode Voltages (CMV). Parasitic voltages are a side effect of using the width modulation to shape the phase-to-phase inverter’s voltage. In this article the authors present a mathematical description of the differential-mode (DM)…