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Soewignjo Agus Nugroho
Universitas Riau
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Journal : Teras Jurnal

 1 
Pengaruh Abu Sekam Kayu Pada Nilai Unconfined Compression Strength Lempung Plastisitas Tinggi Terstabilisasi Semen Kapur NUGROHO, Soewignjo Agus; Al Ridho, Muhammad Faisal; Fatnanta, Ferry
Teras Jurnal : Jurnal Teknik Sipil Vol. 12 No. 1 (2022): Volume 12 Nomor 1, Maret 2022
Publisher : UNIVERSITAS MALIKUSSALEH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/tj.v12i1.688

Abstract

Abstrak Perbaikan lempung dengan semen, kapur, dan abu sekam (RHA) terbukti meningkatkan kuat geser dan daya dukung. Kandungan silika abu sekam kayu (ASK) hampir sama dengan RHA. Penelitian melihat pengaruh ASK pada lempung terstabilisasi semen dan kapur. Pengujian Tekan bebas (UCS) dilakukan untuk membandingkan nilai kuat tekan bebas (qu) lempung asli, lempung distabilisasi semen, dan kombinasi semen dan kapur dan/atau ASK. Sampel diuji pada empat kondisi. Hasil UCS tanpa pemeraman, nilai qu seragam. Pada kondisi tanpa pemeraman dan perendaman, nilai qu semua variasi relatif sama. Pada kondisi pemeraman dan tanpa perendaman, nilai qu berkisar 365 kPa sampai dengan 485 kPa untuk campuran dengan ASK dan kombinasi kapur dengan ASK. Penambahan kapur 10% meningkatkan nilai qu lebih 1100 kPa. Hasil UCS membuktikan, kapur lebih optimal meningkatkan nilai qu dibanding ASK. Penggantian kapur dengan ASK 4% sampai 6% meningkatkan nilai qu menjadi 485 kPa (rendaman) dan menjadi 475 kPa (tanpa rendaman). Kata kunci: Abu sekam Kayu, Kapur, lempung, semen, stabilisasi  Abstract Clay stabilized with cement, lime, and rice hush ash (RHA) has been increasing shear strength and bearing capacity. The silica content of wood husk ash (ASK) is almost the same as RHA. The study seen effect of ASK on clay-cement and lime. Unconfined Compression Strength (UCS) is performed and compare unconfining strength values (qu) of clay, clay-cement, and cement and lime and/or ASK. Sampel was tested on four conditions. UCS results without watering, uniform qu value. Conditions non-curing and soaked, the qu values of all variations are relatively the same. In curing and unsoaked conditions, qu values range from 365 kPa to 485 kPa for ASK and lime with ASK. Adding 10% lime increases qu value more than 1100 kPa. Stabilized with lime is more optimal than ASK to increase qu. Subtitution lime with ASK 4% to 6% increases qu value to 485 kPa (soaked) and to 475 kPa (unsoaked). Keywords: clay, cement, lime, sawdust ash, stabilization 
Co-Authors ', Muhardi Aditia Siringoringo Adnan Ruziq Ihsan Agus Ika Putra Agus Ika Putra Al Ridho, Muhammad Faisal Alridho, Muhammad Faizal Andarsin Ongko Andius Dasa Putra Ari S. Sibarani Ari S. Sibarani Ari Sandhyavitri Ari Sandhyavitri Arie S Sibarani Arie S Sibarani Arisman Adnan Avrilly Zesthree Mauliza Azra Zulnasari Bahrul Junaidi Bambang Sujatmoko Enno Yuniarto Erik Azarya Ginting Ermiyati Ermiyati Ermiyati, Ermiyati Fadhilah, Randy Fajar Restuhadi Fakhri, Fakhri Fauzi, Manyuk Febrizal Ujang Fernando, Hendra Ferry Fatnanta Fikri Hidayat Giri Prayoga Gunawan Wibisono Gunawan Wibisono Gussyafri Hendra Fernando Ihsan, Adnan Ruziq Imam Suprayogi Inna Kurniati Inna Kurniati, Inna Irfan Hasan Jamili, M Joehari K Khairat Khairat, K Khairatu Zaro Khairul Umam Kikumoto, Mamoru Koichi Yamamoto, Koichi Lala Monang Robert Christian Zega Lala Monang Robert Christian Zega Zega Lembasi, Muhammad Khadafi Lingga Panji Subrata, Lingga Panji Lita Darmayanti M Faizal Alridho M. Shoffar Al Hafizh M. Yusuf Agustamar Mohammad Saeri Monita Olivia Muhamad Yusa Muhammad Khadafi Lembasi Muhammad Muhshi Muhammad Saeri, Muhammad Muhammad Yusa Muhardi Muhardi Muhardi Muliyono Novan, Andre Nurdin Nurdin Ongko, Andarsin Prayogo, Giri Puspa Ningrum Raflyatullah Raflyatullah Raflyatullah, Raflyatullah Ranata, Nicola Rabb Randhi Saily Reni Suryanita Rian Trikomara Iriana Rinaldi Rinaldi Rofika Ratna Ardiansyah Roni Indra Lesmana Rosma, Iswadi Hasyim Rudy Suryadi, Rudy Rugun Ermina S. Siswanto S. Siswanto Safridatul Audah Saputra, Riola Satibi, Syawal Satria, Zoni Sayoga, Davin Sutikno, Sigit Syamsu Herman Syamsu Herman Syamsul Arifin Unzi Marwan Usman, Fauzan Wulandari, Deny Yohanna Lilis H Zega, Christian Robert Zoni Satria Zulkifli Zulkifli Zulnasari, Azra