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All Journal Jurnal Ilmiah Teknik Sipil Buletin Udayana Mengabdi Jurnal Ergonomi Indonesia (The Indonesian Journal of Ergonomic) Jurnal SPEKTRUM Jurnal Spektran Journal of International Conference Proceedings
I Nyoman Sutarja
Program Studi Teknik Sipil Fakultas Teknik Universitas Udayana
Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Public Health

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BERAT VOLUME PEREKAT GEOPOLIMER BERBAHAN DASAR ABU SABUT KELAPA I Nyoman Suta Widnyana; I Made Alit Karyawan Salain; I Nyoman Sutarja; Ida Bagus Rai Widiarsa
Jurnal Ilmiah Teknik Sipil Vol 26 No 2 (2022): Jurnal Ilmiah Teknik Sipil, Vol. 26 No. 2, Juli 2022
Publisher : Department of Civil Engineering, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JITS.2022.v26.i02.p04

Abstract

This study presents the effect of the comparison between precursors and alkaline activators on the volume weight of geopolymer binder. Geopolymer binder uses coconut fiber ash (CFA) as a precursor which contains: SiO2 (8,24%), K2O (70,6%), Cl (14,1%), P2O5 (2,3%) and Fe2O3 (2,25%). Use an alkaline activator: a solution of sodium silicate (SS) and sodium hydroxide (SH) with a molar concentration of 14M. The purpose of volume weight testing is to determine the density level of materials incorporating geopolymer binders. Variation in the proportion of the mixture of precursors (P) and alkaline activator (A) used the ratio: 70%:30%; 75%:25%; 80%:20% and the ratio between alkaline activator Na2SiO3 (SS) and NaOH solution (SH) is: 1:1; 1,5:1; 2:1 to the weight of the precursor. Specimens were printed as cubes with dimensions (50x50x50)mm and tested at specimen 7 and 28 days, respectively. The volume weight test standard refers to SNI 1973:2008. Test results show get a raise ratio of P/A and SS/SH will result in an increasing volume weight value while the volume weight value decreases by 1,3% - 1,4% along with the increase in specimen age.
Co-Authors A. A. Diah Parami Dewi A.A.G.A. Yana Anak Agung Ngurah Dwiki Sudanta Andrew Peter Sukoyo Angelin Tabita Gaudensius Nong Pio Gd Astawa Diputra Gede Arya Wibawa Gusti Ayu Made Suartika Herta Meisatama I Dewa Putu Sutjana I Gd Raka Natha Bayuprima I Gede Adi Susila I Gede Dyana Arjana I Ketut Nudja S I Ketut Sudarsana I Made Alit Karyawan Salain I Made Astika Yasa I Made Putra Dwityagana I N. Lanus I N. Surata I Nyoman Adi Putra I Nyoman Sucipta I Nyoman Susanta I Nyoman Suta Widnyana I Putu Gede Adiatmika I W. A. Wijaya I W. Yanse I W. Yansen I Wayan Dana I Wayan Jawat I Wayan Redana I Wayan Sukerayasa I Wayan Yuda Manik I.G.N. Suditha I.N. Lanus Ida Bagus A. Swamardika Ida Bagus Gde Primayatna Ida Bagus Rai Widiarsa Indah Sri Handari Adiputra Made Asri Puspadewi Made Bayu Sambira Teja Made Sukrawa Mayun Nadiasa Mulya Dewi N. Gita Astadi N. Martha Jaya Naratama - - Ni Made Swanendri Prihastini, Komang Angga Putu Lissa Ambarawangi Susy Purnawati Teguh Arifmawan Sudhiarta Tjok Gede Indra Partha Wiwik Hermawati Yana, Anak Agung Gde Agung