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All Journal Paduraksa : Jurnal Teknik Sipil Universitas Warmadewa JOURNAL OF CIVIL ENGINEERING, BUILDING AND TRANSPORTATION BENTANG : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Abdimas Dewantara Praxis : Jurnal Sains, Teknologi, Masyarakat dan Jejaring Jurnal Rekayasa Konstruksi Mekanika Sipil Jurnal Pensil : Pendidikan Teknik Sipil GERVASI: Jurnal Pengabdian kepada Masyarakat Jurnal Muara Sains, Teknologi, Kedokteran dan Ilmu Kesehatan Jurnal Abdi Insani Jurnal ComunitA Servizio Jurnal Rekayasa Teknik Sipil dan Lingkungan Asian Journal of Community Services (AJCS) Journal of Infrastructure Planning and Engineering Jurnal Abdimas Maduma
Sudarno P Tampubolon
Teknik Sipil, Universitas Kristen Indonesia (UKI), Jakarta
Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Nursing Public Health Social Sciences Transportation Other

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KAJIAN PUSTAKA TENTANG PENGARUH VARIASI KADAR AIR DAN PENAMBAHAN MATERIAL ADDITIVE TERHADAP KARAKTERISTIK KUAT GESER TANAH LEMPUNG Yuki Panie; Monica T Andries; Sudarno P Tampubolon; Efendy Tambunan
Jurnal Rekayasa Teknik Sipil dan Lingkungan - CENTECH Vol. 7 No. 1 (2026): Vol. 7 No. 1 (2026): Jurnal Rekayasa Teknik Sipil dan Lingkungan, APRIL 2026, I
Publisher : UKI Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/cen.v7i1.8531

Abstract

This study examines the effect of moisture content and the addition of various additives on the shear strength behavior of clay soils through a comparative literature review of 13 previous studies. Clay soil, known for its low bearing capacity and high sensitivity to moisture changes, frequently requires stabilization to enhance its strength. The results indicate that an increase in moisture content generally decreases soil shear strength due to a reduction in cohesion and the internal friction angle, particularly when it exceeds the optimum moisture content. Conversely, the addition of additives such as cement, lime, rice husk ash, and polypropylene fibers shows a significant increase in shear strength. Cement and lime provide chemical bonding, whereas ash and fibers enhance physical resistance. The combination of these materials yields the most effective results. This study utilizes a qualitative-comparative analysis by gathering data from laboratory-based journal publications that include direct shear tests and unconfined compression tests. The findings emphasize the importance of controlling moisture content and material composition in geotechnical engineering and slope stability. It is concluded that moisture content is a dominant factor that negatively impacts shear strength, whereas additives serve as efficient reinforcers. Future research is suggested to involve laboratory experiments on various types of clay soils and to utilize computational modeling for more accurate predictions regarding the interaction between moisture content and stabilization materials. Keywords: Additives; Clay soil; Moisture content; Shear strength; Soil stabilization
Sosialisasi, Pelatihan, dan Pemanfaatan Daur Ulang Limbah Plastik Sebagai Campuran Pembuatan Paving Block di Bank Sampah Berkah Srikandi Jakarta Timur Sudarno P Tampubolon; Medyawanti Pane; Martinus Nifotuho Fau; Charly David Hutagalung; Prestasi Aswinda Zebua; Yohan K. Kafolapada; Zefanya Tomaluweng
JURNAL ABDIMAS MADUMA Vol. 4 No. 3 (2025): Oktober, 2025
Publisher : English Lecturers and Teachers Association (ELTA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52622/jam.v4i3.526

Abstract

Limbah plastik merupakan salah satu permasalahan lingkungan yang serius karena sulit terurai dan volumenya terus meningkat. Bank Sampah Berkah Srikandi merupakan salah satu bank sampah pengolahan limbah plastik yang belum optimal di dalam pengelolaan sampah, sehingga nilai ekonominya masih rendah. Program Pengabdian kepada Masyarakat ini bertujuan memberikan solusi melalui sosialisasi, pelatihan, dan daur ulang limbah plastik sebagai bahan campuran pembuatan paving block ramah lingkungan. Metode pelaksanaan meliputi persiapan, sosialisasi mengenai bahaya limbah plastik, pelatihan penggunaan mesin pencacah, dan praktik pembuatan paving block dengan campuran limbah plastik PET. Hasil kegiatan menunjukkan antusias dari warga untuk mengetahui bagaimana proses pengolahan limbah plastik menjadi material campuran dalam pembuatan paving block karena hal ini masih inovasi yang baru bagi masyarakat. Di dalam praktik pembuatan paving block digunakan 1,64 kg plastik PET yang sudah di cacah untuk bahan campuran pembuatan paving block. Produk paving block yang dihasilkan memiliki daya serap air relatif tidak signifikan, berbeda dengan paving normal yang lebih porus sehingga sangat baik untuk digunakan dan memiliki nilai ekonomis serta ramah lingkungan. PkM ini membangun kesadaran masyarakat terhadap konsep ekonomi sirkular serta membuka peluang usaha mikro berbasis daur ulang plastik. Kata Kunci : Limbah plastik; PET; Mesin Pencacah; Sosialisasi; Pelatihan; Paving Block
Co-Authors Agnes Sri Mulyani Candra Christianti Purnomo Charly David Hutagalung Chatarina Finella Cintantya Budi Casita Dady Supriadi Dang Thanh Trung Daniel David , Charly Deviana Pratiwi Munthe Dianty, Grace Putri Dikky Antonius Doroti, Doroti Efendy Tambunan Elferida Sormin Felix Zebua Formas Juitan Lase Fuk Jin Oei Fuk Jin Oei Grace Putri Dianty Gracela P. Tarapandjang Gresia Enjelina Siahaan Haposan Sahala Raja Sinaga Hutabarat, Lolom I Gede Dhana Putra Sanjaya I Nengah Sinarta I Putu Ellsa Sarassantika I Putu Ellsa Sarassantika I Wayan Gede Suarjana I Wayan Gede Suarjana I Wayan Maesa Andreasnata Ida Bagus Gede Parama Putra Indry, Jessica Miracella Irene Vista Simanjuntak Irene Vista Simanjuntak Ismael Tafonao Iwan B. Santoso John fernando silalahi Kristofel, Andreas Samuel Lolom Evalita Hutabarat Louisa , Agnes Luice Raymon Nainggolan Martinus Nifotuho Fau Matildah Pretty Putri Alkassa Medyawanti Pane Melky Hendrik Kelo Michel Tambunan Monica T Andries Mulyani, Agnes Sri Naibaho, Lamhot Nataldo , Benny Tri Nelius Harefa Ni Komang Armaeni Pane, Medyawanti Paskalis Halawa Pinondang Simanjuntak Pinondang Simanjuntak Prestasi Aswinda Zebua Priska Marlen Duakaju Purnomo, Candra Christianti Risma M Simanjuntak Roro Sulaksitaningrum Sally Septania Napitupulu Sally Septania Napitupulu Sari , Desma Satria Dayvano Mangelep Sesmaro Max Yuda Setiyadi Setiyadi Setiyadi, Setiyadi Setyadi Setyadi Setyadi Setyadi Simanjuntak P Simanjuntak, Risma M Sophian Talenta Mendrofa Srimulyani, Agnes Steffy Catharina Rebeccha Simbolon Sudarwani , Margareta Maria Togu Tri Saputra Lumban Gaol Ulinata Ulinata Ulinata Yohan K. Kafolapada Yonathan, Yonathan Yuki Panie Zefanya Tomaluweng