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Use of waste optical disc in concrete to promote sustainable development in construction industry

Neo, Chee Kang and Bin Osman, Mohammad Hairi and Adnan, Suraya Hani (2018) Use of waste optical disc in concrete to promote sustainable development in construction industry. In: Construction Materials and Technology. Penerbit UTHM, pp. 123-137. ISBN 978-967-2183-19-8

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In recent years, happening of few catastrophic natural disasters have raise the awareness of public on environmental issue that the Earth is getting sick. Preservation and conservation of environment started to be given concern by people all over the world. Sustainable development is becoming the trench of construction industry nowadays and many countries start emphasizing on application of green practices in building construction. Urbanization results in rapid growth of construction industry causes depletion of natural resources especially aggregates (sand and gravels) which are the most widely used raw materials in construction process. Besides, waste problem is also considered as one of the most challenging problem facing human beings nowadays. Electronic waste or E-waste is one of the most rapidly growing waste in the world due to significance increase in use of electronic equipment in recent decades. According to World Counts, around 40 million tons of E-wastes are produced every year. [1] While optical disc (OD) is one of the most commonly dumped materials and they are usually disposed either in landfill or incinerators. The main factor of this problem is due to the evolution of electronic storage media as variety types of data storage devices are invented such as external hard disk and USB flash drive making the ODs become obsolete. To solve these problems, it is suggested that waste ODs could be used as replacement material of coarse aggregates in concrete mixtures. In this study, several laboratory tests were performed on concrete specimens produced with waste ODs as partial replacement material of coarse aggregates to identify their mechanical properties including compressive strength and split tensile strength as well as their flexural behavior. 24 units of concrete cube specimens with age 7 and 28 days, size of 150mm were prepared for compressive strength test; 12 units of cylinder specimens with age 28 days, size of 100mm diameter and 200mm length for split tensile strength test; and 8 units of beams with age 28 days, size of 100mm x 100mm x 500mm for flexural strength test (centre point loading test).

Item Type: Book Section
Subjects: T Technology > T55.4-60.8 Industrial engineering. Management engineering
Divisions: Faculty of Engineering Technology > Department of Mechanical Engineering Technology
Depositing User: Mr Abdul Rahim Mat Radzuan
Date Deposited: 31 Oct 2019 02:43
Last Modified: 31 Oct 2019 02:43
URI: http://eprints.uthm.edu.my/id/eprint/11903
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