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Production of Structural and Nonstructural Lightweight Concrete Using Slate and Plastic Waste Murad Khan; Muhammad Haris Javed; Khuda Bukhsh; Umair Sajjad; Hamza Umar
Journal of ICT, Design, Engineering and Technological Science Volume 6, Issue 2
Publisher : Journal of ICT, Design, Engineering and Technological Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33150/JITDETS-6.2.1

Abstract

Concrete is a construction material that is widely used in the world. In the design of concrete structures, lightweight concrete plays a vital role to decrease the density or a dead load of structural elements. This paper investigates the utilization of slate aggregate as a coarse aggregate replacement and the replacement of plastic waste with fine aggregate for the production of lightweight concrete. The research aims to get the structural and nonstructural lightweight concrete by replacing the lightweight aggregate and evaluate their effects on compressive strength, density, and acidic attack. Before the preparation of concrete for the experiment, different tests were conducted to find out the physical properties of the materials. A concrete mix ratio of 1:1:2 and 0.45 w/c ratio was used for our experiment. Coarse aggregate is replaced by slate aggregate from 80% to 100% replacement and sand is replaced by plastic waste from 50 to 60%. By conducting a compressive strength test, the observed optimum value for structural lightweight concrete was 3105 psi in the case of replacing slate 100% with coarse aggregate and plastic waste 50% with fine aggregate. By replacing 80% of slate with coarse aggregate and 60% of plastic waste with fine aggregate, the optimum value for non-structural lightweight concrete was 2841 psi.
Reuse of Non-Degradable Waste Polyethylene Bottles for Ground Improvement Murad Khan; Muhammad Haseeb Zaheer; Hamayun Khan Kakar; Zohaib Ullah; Khuda Bukhsh
Journal of ICT, Design, Engineering and Technological Science Volume 7, Issue 1
Publisher : Journal of ICT, Design, Engineering and Technological Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33150/JITDETS-7.1.1

Abstract

This paper proposes the use of waste plastic bottles as a soil stabilizer. Plastics have always been difficult to dispose of since they are non-biodegradable. Today's building industry is in desperate need of low-cost materials to improve soil strength and bearing capacity. Waste plastic can be used to improve the geotechnical qualities of poor-grade soil. One of the most prevalent problems with recycling plastic is that it is typically made up of more than one type of polymer or has fibers added to it for increased strength. To measure the impact of plastic trash, various tests such as California bearing ratio (CBR), standard proctor, specific gravity and atterberg limits were performed on various samples. The current research discusses the current state of utilization of various waste plastics for soil enhancement in terms of geotechnical parameters. Outcomes of the experimental performance indicate that plastic waste can be used for soil stabilization and to alleviate the difficulty of disposing of plastic waste as well as resolving environmental issues.
Retrofitting of Short Columns by Utilizing Different Galvanized Steel Meshes to Improve Strength Properties Adnan Khan; Murad Khan; Ghulam Mujtaba; Julius Olayinka Olaniregun; Muhammad Bilal
Journal of ICT, Design, Engineering and Technological Science Volume 7, Issue 1
Publisher : Journal of ICT, Design, Engineering and Technological Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33150/JITDETS-7.1.2

Abstract

Retrofitting is the process of adding modern systems to older buildings to make them sustainable. Retrofitting of RC short columns may be defined as an attempt to restore the original strength and stiffness of damaged as well as deteriorated RC short columns. The main purpose of this research project is that many older structures today require strengthening their existing civil engineering infrastructure. The reasons are deterioration by aging or corrosion caused by environmental factors, load increase because of a change of function in the structure, or poor design which does not meet the present more stringent design requirements such as in earthquake areas. In this research, Welded wire mesh was used for Retrofitting to study its confining effect. UN retrofitted & Retrofitted Columns are crushed in UTM. The result observed was positive with a high percentage of increase in strength properties particularly in the case of utilizing square iron mesh which is 14.87% and 34.44% in compressive and tensile strength respectively.