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Journal : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

Kuat Tekan Beton Hvfa Di Air Gambut Sopian, Sopian; Ismeddiyanto, Ismeddiyanto; Olivia, Monita
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 5 (2018): Edisi 2 Juli s/d Desember 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

High Volume Fly Ash (HVFA) is a concrete with green building concept. The quantity of fly ash each year increases as coal production increases. HVFA Concrete offers a short-term solution of the growing need for portland cement. Concrete with the use of pozzolanic material has better strength in reducing the effect of organic acid from peat water than Ordinary Portland Cement (OPC). This research examines the compressive strength of OPC concrete and HVFA concrete exposed in peat water environment with a variation of fly ash as many as 50% of the weight of the cement volume. Concrete samples were made with a cylindrical mold with a height of 210 mm and a diameter of 105 mm. The number of samples made in this study was 18 pieces. The OPC and HVFA culinder concrete were cured for 28 days. Later, the specimens were put in a container and cure with peat water for 7 and 28 days. The results of fresh concrete test showed that the greater the amouny of fly ash used in concrete mix, the workability decreased. For the case of specimens immersed in peat water for 28 days, its concrete strength was 31,05% higher than that of immersed in fresh water. Based on the results of these tests it was concluded that HVFA concrete was able to reduce peat acid attack compared to OPC concrete.Keywords: HVFA, compressive strength, peat environment
Co-Authors Abdillah Abdillah Aditya Santoso Aditya Santoso, Aditya Agnes Felisya Unamo Agustiana, Dendi M Akbar Imam Muttaqin Allita, Lusyana Dwi Amaldi, Wahyu Ana Fitriana Poerana Andriyani, Diana Angga Pratama Aprilia, Rachma Apristawijaya, Oceu Ariani, Imelza Asqolani, Asqolani Asytari Santri Atmaja, Efri Kusuma Aulia, Neima Auliana, Sigit Chorinthian, Gita Dedeh Faridah Dedi Junaedi, Dedi Delly Purnamansyah Dewi Rahayu Dwi Supraptiningsih, Joelianti Dyah Shinta Kusumaningtyas Effendi, M. Annas Eko Pujianto Eko Purwanto Eti, Eti Fardiansyah, Farisi Fathuloh, Fathuloh Fauzobihi, Fauzobihi Fitrawansyah, Fitrawansyah Fitriyanti, Nova FRETTY WELTA Gilvano, Endre Gimin Gimin Hadi Mulyo Wibowo Heri Heriyanto Heryati, Eti Ilis, N Imam Hanafi Ira Irzawati Ira Purnamasari Isbandi, Fitri Susiswani Ismeddyanto, Ismeddiyanto Joelianti Dwi Supraptinignsih Joelianti Dwi Supraptiningsih Johantri, Bagas Kaffah Imanuddin M R Santosa Khalid Khuan, Hendri Lumbantobing, Josua Octaryan M Iqbal Arrosyad Majlani, Majlani Maryadi Maryadi Maulina, Nadya Mentari, Rizqi Ayu Monita Olivia Muhadi Prabowo, Muhadi Muhammad Najib Mutiara Indah Nadiah, Ayu Ningrum, Listya Nova Nova Nur Fajrina, Luthfi Nur, Indrayansyah Nurcholifah, Siti Nuridah, Siti Okpatrioka Okpatrioka Okpatrioka, Okpatrioka Pratiwi, Nabila Putri Pritiandini, Amalia Latri Priyana, Yana Purwaningsih, Lilik Putri, Cindy Kartika Putri, Ine Nadilla Vinka Qiqi Yuliati Zaqiah, Qiqi Yuliati Rakhman, Mukhammad Taufiqur Rasjid, Abdullah Raynal Yasni Raza, Ahmad Mujammil Refa Henda Hidayat Ruslandi, Ruslandi Ryan Rinaldy Saeful Anwar, Saeful Safitri Dwi Wulansari Safitri, Tarisa Sahrin, Alfi Sak Khie Santi, Fitria Sapitri, Nurul Sari, Rati Sa’diyah, Titin Sella Puspita Waruwu Shinta, Ferda Siera Syailendra Sinaga, Indah Siti Nuridah Sopialena . Sri Mulyani Sri Wahyuni Stiawan, Mulkan Sumantriyadi, Sumantriyadi Syabrus, Hardisyem Udin Saepudin Utami, Purwani Puji Venina Febrianti Wa Ode Nurul Fatma Weni Adityasning Arindawati Weta, Fretty Wibisono, M Hasbiansyah Putra Wiyono wiyono Yana, Korry El Yasir Arafat, Yasir Yopy Perdana Kusuma, Yopy Perdana Yovi Litanianda, Yovi Yustiana, Syanni Zumaillah, Eli Zuwanda, Zulkham Sadat