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Ni Nyoman Kencanawati
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Journal : Aceh International Journal of Science and Technology

 1 
Characteristics of Pozzolan and Composite Portland Cements for Sustainable Concrete's Material Ni Nyoman Kencanawati; Shofia Rawiana; Ni Putu Ria Ria Darmayanti
Aceh International Journal of Science and Technology Vol 9, No 1 (2020): April 2020
Publisher : Graduate Program of Syiah Kuala University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (554.016 KB) | DOI: 10.13170/aijst.9.1.16177

Abstract

To support sustainable materials, the ordinary Portland cement production has been reduced since it left a high carbon footprint during manufacturing. As an alternative, the use of pozzolan Portland cement and composite Portland cement has been encouraged because they are more environmentally friendly. This paper examines some characteristics of cement made from pozzolan Portland cement (P.P.C.) and composite Portland cement (P.C.C.). The testing procedures were carried out on chemical and physical testing on P.P.C. and P.C.C. In addition, the mechanical testing of concrete made from both types of Portland cement and their combinations were conducted under compression load. Furthermore, the surface hardness of the concrete was evaluated using a rebound hammer measurement. Concrete testing was conducted after the curing age of 7, 28, and 42 days. According to chemical examination, P.P.C. has higher silica (SiO2) and iron (Fe2O3) than those of P.C.C., whereas P.C.C. has a higher lime (CaO) content. Compared to P.P.C., P.C.C. shows faster initial and final setting time. This result is proportionally influencing the strength development of concrete. P.C.C. concrete offers significant strength development at an earlier age. Meanwhile, P.P.C. concrete reacts slower at an earlier age, but it improves the compressive strength at a later age. The mix combination of 50% P.P.C. and 50% P.C.C. in concrete shows the highest average compressive strength and surface hardness. This combination achieves the average compressive strength of 30.27 MPa, 35.27 MPa, and 35.93 MPa respectively for 7, 28, and 42 days curing time. Furthermore, this concrete also shows the most remarkable characteristics of Young's modulus and surface hardness
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