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Mechanical Characterization of Used Steel for Green Construction Practices

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Abstract:

The primary objectives include investigating the mechanical properties of used construction steel, and evaluating the feasibility of reusing the old materials in green construction projects. The methodology involves gathering samples from demolition sites which are over 40 to 50 years old(1980-1985 construction sites), conducting mechanical testing (such as tensile test and bending test), and performing microstructural analysis.By promoting the utilization of used construction steel, the project seeks to reduce waste, lower material costs, and minimize the environmental impact for sustainable activities. The results we found were that the average maximum load the material can bear was 1.35KN and was bended till 6mm. The average grain size of the material was found to be 20µm. the average elongation percentage came out to be 15.27% and the elements of the material identifies that it is of grade A-36 Steel.Ultimately, this project aspires to facilitate a shift towards more eco-friendly construction practices and supporting the construction industry's transition to sustainable development.

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Periodical:

Materials Science Forum (Volume 1164)

Pages:

47-56

DOI:

https://doi.org/10.4028/p-dQ7yKQ

Citation:

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Online since:

November 2025

Authors:

Hadeer Siddiqui, Syed Muhammad Usman Ali, Muhammad Saad Ali Siddiqui, Muhammad Usman Khan*, Murtaza Mehdi

Keywords:

ASTM, Bending Tests, Eco-Friendly Construction, Elements Detected, Ferrite Phase, Microstructure, OES, Pearlite Phase, Sample, Spectroscopy, Tensile Tests, UTM

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© 2025 Trans Tech Publications Ltd. All Rights Reserved

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