Effect of Magnetic treatment technology on the (workability and compressive strength) of High-Strength Concrete

Samer A.  Al-Mashhedie; Hind. M.  Raheem

doi:10.30572/2018/KJE/160407

Authors

Samer A. Al-Mashhedie College of Engineering, Babylon University, Hilla, 51001, Babylon, Iraq
Hind. M. Raheem College of Engineering, Babylon University, Hilla, 51001, Babylon, Iraq https://orcid.org/0009-0002-7371-6491

DOI:

https://doi.org/10.30572/2018/KJE/160407

Keywords:

High strength concrete, Magnetic water, Magnetic treatment, Fly ashes, Magnetic time

Abstract

A sustainable approach to improving the properties of high-strength concrete is essential for the construction industry due to its excellent properties, such as high compressive strength, reduced dead load of the concrete structure, reduced construction cost, and environmental friendliness. The aim of the present work is to use a new technique (fresh concrete mixture treatment with magnetic field) to enhance the properties of HSC. The magnetic method is considered one of the techniques that develop mechanical characteristics of concrete, either by utilizing magnetic water to mixture the concrete mixture or by magnetizing the mixture itself. This research studied the influence of a magnetic field on characteristics of high-strength concrete. The experimental work was done in two lines; one was magnetizing fresh, high-strength concrete by passing the concrete mixtures through four devices. The first three devices contain (3, 4, and 5) magnetic units, respectively. Each magnetic unit has 3000 gauss intensity. The last device was a tube without any magnetic units. The second line was exactly the same as line one, just for one thing: the mixing water was magnetic water instead of tap water. When the mixtures are subjected to a magnetic field, The slump and compressive strength did not improve significantly and the values were variable. The highest increase in slump was achieved 4.7%for the magnetized mixture with the device equipped with 4 units (F3). The compressive strength of the mixture passing during the pipe equipped with 5 magnetic units (F4) was increased by percentage 7%at 28 days. As soon as magnetic water was utilized in place of ordinary water, the slump value was increased to 19% from the reference mix

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