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Ni Nyoman Kencanawati
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Journal : Journal Of World Science

 1 
Effect of Using Styrene Butadiene Rubber (SBR) on Physical, Mechanical, and Microstructure Properties of Recycled Coarse Aggregate Concrete Heating Grinding Method Syahrani, Iram; Kencanawati, Ni Nyoman; Ngudiyono, Ngudiyono; Eniarti, Miko
Journal of World Science Vol. 4 No. 4 (2025): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v4i4.1345

Abstract

Concrete is a widely used material in civil engineering projects. However, the excessive use of natural coarse aggregates can disrupt environmental balance and generate non-biodegradable concrete waste. An innovative solution to this problem is the use of recycled coarse aggregates. Nevertheless, recycled aggregates often cause microcracks and weak interface transition zones (ITZ) due to the presence of old mortar. This study aims to evaluate the effect of SBR additives on the physical, mechanical, and microscopic properties of concrete using recycled coarse aggregates processed through the heating-grinding (H-G) method, compared to conventional concrete. The research was conducted by varying the SBR content at 0%, 2.5%, 5%, and 10% by weight of mixing water. The results show that H-G concrete with 5% SBR content demonstrated the best performance, closely approaching the properties of normal concrete. Improvements were observed in compressive strength by 5.40%, split tensile strength by 0.59%, modulus of elasticity by 8.59%, and a reduction in water absorption by 5.02% compared to H-G concrete without SBR. Scanning Electron Microscope (SEM) analysis also indicated that the addition of SBR effectively minimized microcracks and improved the quality of the ITZ. In conclusion, the addition of 5% SBR to recycled aggregate concrete significantly enhances its physical and mechanical properties, providing a promising alternative for sustainable construction. The implication of this study is the potential broader application of recycled aggregates with SBR additives to reduce the environmental impact of concrete production.
Co-Authors Adi S, I Made Agustawijaya, Didi S Ahmad Gazi P Ahmad Zaki Ahmad Zarkasi Aini, Niza Husnul Akmaluddin Akmaluddin Akmaluddin Akmaluddin Akmaluddin Akmaluddin Ali, Ahmad Muhammad Amanda, Humami Syifa Aprianingsih, Lia Aprilia, Uswatun Aqriansyah, M. Yani Arismanto Arismanto Arismanto, Arismanto Azra, Willy Biomantara, I Nyoman Hari Buan Anshari Buan Anshari Danisa Syawlina Darmawan, Ngakan Komang Indra Desi Widianty Dewandi Saputra Dini Arianti Diyanti, Putri Nurul Edy Edy Eniarti, Miko Fathmah - Mahmud Fathmah Mahmud Fathmah Mahmud Garin Prasetyo Hadiwijaya, Imam Hamdani, Hafiz Hariyadi Hariyadi, Hariyadi Hariyadi, Hariyadi I Gede Pasek Suta Wijaya I Made Merdana I Nyoman Merdana Ida Ayu Oka Suwati Sideman Ihtiar, Rizky Alfatihatul Irpan, Zainul Jauhar Fajrin Jauhar Fajrin, Jauhar Karlengie, Pandu Prafitr Jihan Abdu Lalu Ibrohim Burhan Mahmud, Fathmah Mahmud, Fatmah Maida, Nurul Meli Merdana, I Nyoman Merdana, I Nyoman Merdana Merdana, INyoman Miftahuddin Miftahuddin Miftahuddin Miko Eniarti Miko Eniarti Mila Febriyana Muhajirah Muhajirah Ngakan Komang Indra Darmawan Ngudiyono Ngudiyono Ngudiyono Ni Putu Ria Ria Darmayanti Nuralifa Dea Octavia Nurin, Iffah Fikriana Al Nurin, Iffah Fikriana Al Nurin4 Pathurahman, Pathurahman Qomari, Lina Sabrina Resti Alfaijah Rian Mahendra Taruna Rusdianto Rusdianto, Rusdianto Shofia Rawiana Suparjo Suratmin, Hariangga Aqil Wiryandika Suryawan Murtiadi, Suryawan Syahrani, Iram Syawlina, Danisa Tri Sulistyowati Wathoni, Syamsul Willy Azra Yusron Saadi Zaenuddin, Moh Zainudin Zainudin Zamzani, Muhammad Darda