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All Journal EKSAKTA: Journal of Sciences and Data Analysis Prosiding Seminar Nasional Sains Dan Teknologi Fakultas Teknik JITEK (Jurnal Ilmiah Teknosains) Rang Teknik Journal BENTANG : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Reviews in Civil Engineering Jurnal DISPROTEK Portal: Jurnal Teknik Sipil Jurnal Teknik Sipil dan Teknologi Konstruksi Jurnal Abdi Insani Jurnal Pengabdian Masyarakat Multidisiplin Warta Pengabdian Andalas: Jurnal Ilmiah Pengembangan Dan Penerapan Ipteks Society: Jurnal Pengabdian Masyarakat Lamahu: Jurnal Pengabdian Masyarakat Terintegrasi Indonesian Journal of Society Development (IJSD) Jurnal Teknik Sipil International Journal of Integrative Sciences Jurnal Civil Engineering Study El-Mujtama: Jurnal Pengabdian Masyarakat Science and Technology: Jurnal Pengabdian Masyarakat Journal of Civil Engineering and Vocational Education Widya Teknik Journal of Green Science and Technology PASAK: Jurnal Teknik Sipil dan Bangunan
Saputro, Yayan Adi
Prodi Teknik Sipil, Fakultas Sains Dan Teknologi, Universitas Islam Nahdlatul Ulama Jepara,
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Journal : Journal of Green Science and Technology

 1 
Characteristics of The New Material Geopolymer Binder Course Fly Ash and Bottom Ash Saputro, Yayan Adi; Ariyanto, Ariyanto; Qomaruddin, Mochammad
Journal of Green Science and Technology Vol 7 No 2 (2023): JOURNAL OF GREEN SCIENCE AND TECHNOLOGY VOL.7 NO.2 SEPTEMBER 2023
Publisher : Faculty of Engineering, Universitas Swadaya Gunung Jati

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33603/jgst.v7i2.24

Abstract

Selection of concrete specifications is something that must be done according to needs. The use of concrete as a building material is efficiency and effectiveness in terms of processing and supply. The increase in fly ash and bottom ash waste will affect new innovations for new materials in construction. The purpose of this study was to determine the characteristics of the new material geopolymer binder course fly waste and bottom ash whether it complies with standards and is suitable for use as a construction material or for making roads. This research was carried out experimentally in the laboratory to check whether the characteristics of the material used met the standards or not. The results obtained were that the best mixture for the new material was between (FA+BA) with a compressive strength of 5.15 MPa and (FA+PS) with a compressive strength of 25.6 MPa at 28 days old with a mixture composition of 1 : 1.5. As for the mixed wear value (FA+BA) has a wear value of 76% while (FA+PS) has 39% wear. The new material resulting from the wear level can be used as a base course material.
The Effect of Aggregate Gradation Variation on Mechanical Performance and Porosity of Porous Geopolymer Concrete Saputro, Yayan Adi; Qomaruddin, Mochammad; Budianta, Tarsisius Dwi Wibawa
Journal of Green Science and Technology Vol 9 No 1 (2025): Journal of Green Science and Technology Vol. 9 No. 1 March 2025
Publisher : Faculty of Engineering, Universitas Swadaya Gunung Jati

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33603/jgst.v9i1.9940

Abstract

Porous geopolymer concrete has gained attention as a sustainable and environmentally friendly alternative to conventional Portland cement-based concrete, utilizing industrial waste such as fly ash. This study investigates the effect of aggregate gradation variations on the mechanical properties, porosity, and sustainability of fly ash-based porous geopolymer concrete. The experimental method was employed, utilizing fly ash as the primary binder, sodium hydroxide (NaOH) as the activator, and coarse aggregates of varying sizes (3/8", 1/2", and 3/4"). The concrete samples were tested for compressive strength and porosity at 7, 14, and 28 days following ASTM standards. The results indicate that aggregate gradation significantly influences the mechanical properties, porosity, and sustainability of geopolymer concrete. Smaller aggregate sizes (3/8") produced higher compressive strength (5.42 MPa at 28 days) but lower porosity, while larger aggregates (3/4") increased porosity but reduced compressive strength. Additionally, the study confirms that geopolymer concrete using fly ash as a binder meets the standard requirements for setting time, specific gravity, and durability. These findings contribute to optimizing porous geopolymer concrete for sustainable construction applications, particularly in drainage and permeable pavement systems, promoting waste utilization and environmental sustainability.  Keyword: Porous geopolymer concrete, fly ash, , porosity, waste, sustainability
Co-Authors Achmad Ridwan, Achmad Adib, Muhammad Adit, Prihardhita Cahya Finnahar Adolf Situmorang Ahmad Bagus Bambang Heri Hermawan Ali As’ad Amirullah, Ahmad Baharudin Ana Rahmawati Arba 'Alma, Brasyelia Ardiansyah, Ahamd Feri Arianti, Dini Ariyanto Ariyanto Ariyanto Ariyanto Ariyanto Ariyanto Ariyanto Ariyanto bakhri, M.faisol Cawisdi, Cawisdi Citra, Ika Revalia Darmoko, Wahyu Setyo Decky Rochmanto Decky Rochmanto, Decky Dhian Marhaendri Kakantini Dian Eko Santoso Dwika Fatimatuz Zaroh Efendy, AH Surur Efrizal, Ersa Fahrizal, Yusuf Faqih, Nasyiin Fariza Yulia Kartika Sari Fatchur Roehman Fiki Nur Fitriani Fivin Bagus Septiya Pambudi, Fivin Bagus Septiya Gun Sudiryanto Hamidaturrohmah, Hamidaturrohmah Hanggoro, Wahyu hilmatunniyah, saqifah Ilham Putra Istianah Istianah Istianah Joko Minardi, Joko Kakantini, Dhian Marhaendri Khotibul Umam Khotibul Umam Khotibul Umam Khotibul Umam Laila, Azzah Nor Maemonah, Maemonah Minachussania Mochammad Qomaruddin Much Ardian Mahardika Mudjiastuti Handajani Muhammad Daffa Nabil Ifaani Muhammad Khoirul Mahfidh Muhrodi, Muhrodi Mushthofa Nely Mak'sudah, Ari Noor Azizah Nor Hidayati Nor Khanifah Novita Sari Nurul Fadillah Pratama, Andrie Mandala Yudha Purwanto Purwanto Putri, Meilia Khasanah Qomaruddin, Mochammad Ramadiansah, Dani Rendy, Oktarisa Aviska Rizaldi, Muhammad Rifqi Rohmanto, Decky Saiful, Muhammad Saiful Anwar Samawi, Nur Aini Widya Samsul Arifin SETIAWAN, Ahmad Shadli, Maulana Chasan Shiska Fauziah Shodiq Eko Ariyanto Sisno Riyoko Sudarno Sudarno Sudarno Sudarno Syaifuddin, Dedi Ahmad Tarsisius Dwi Wibawa Budianta Tiara, Mayang Tira Roesdiana Tristan Alfian Triyano, Al Waladan As'ada Wibowo, DS Drajad Widagdo, Jati Widiyono, Aan Zainab Zainab