Properties of concrete with eggshell powder and tyre rubber crumb

Chong, Beng Wei and Rokiah, Othman and Putra Jaya, Ramadhansyah and Doh, Shu Ing and Li, Xiaofeng and Noram Irwan, Ramli (2021) Properties of concrete with eggshell powder and tyre rubber crumb. Key Engineering Materials, 879. pp. 34-48. ISSN 1013-9826 (print); 1662-9795 (online). (Published)

Properties of Concrete with Eggshell Powder and Tyre Rubber Crumb.pdf

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Solid waste management is one the leading problems in Malaysia. Rapid development and population growth have prompted researches to improve the recycling and reusing of waste material for sustainable development. Chicken eggshell is discarded in Malaysia as municipal waste, while waste tyre is a waste that is difficult to handle and often ends up in the landfill. This paper presents the properties of high performance concrete with eggshell powder and tyre rubber crumb as partial replacement of cement and sand. Grade 45 concrete was prepared with 5% tyre rubber crumb as sand replacement and up to 15% of eggshell powder as cement replacement. The mechanical strength of concrete was investigated for up to 90 days while durability properties were studied through water absorption and carbonation test. Results show that concrete with 5% eggshell powder is optimal for high mechanical properties, lower water absorption and low carbonation depth. X-Ray Diffraction of concrete shows increase of calcite compound which contributes to the gain of strength. Microstructure analysis with SEM and EDX provides insight of the improved performance, which is attributed to a denser C-H-S gels and finer pore structure.

Item Type: Article
Uncontrolled Keywords: Eggshell; Tyre rubber; Concrete; Properties
Subjects: T Technology > TH Building construction
Faculty/Division: College of Engineering
Faculty of Civil Engineering Technology
Depositing User: PM Dr. Ramdhansyah Putra Jaya
Date Deposited: 14 Apr 2021 04:06
Last Modified: 14 Apr 2021 04:06
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