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All Journal TEKNIK Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan MEDIA KOMUNIKASI TEKNIK SIPIL JURNAL KARYA TEKNIK SIPIL Teras Jurnal Civil Engineering Dimension Astonjadro Jurnal Pasopati : Pengabdian Masyarakat dan Inovasi Pengembangan Teknologi Jurnal Pengabdian Vokasi Jurnal Profesi Insinyur Indonesia Advance Sustainable Science, Engineering and Technology (ASSET)
Yulita Arni Priastiwi
Departemen Teknik Sipil Jl. Prof.Soedarto SH Tembalang Semarang. 50275
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Transportation

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Mechanical Performance of Recycled Plastic-Based Paving Blocks with Sand and Fly Ash Fillers Mochammad Qomaruddin; Adi Noor Fakhriyan; Yayan Adi Saputro; Yulita Arni Priastiwi; Fatchur Roehman; Nasyiin Faqih; Arif Hidayat; Akhmad Firdos Khoiril Khitam
Advance Sustainable Science Engineering and Technology Vol. 8 No. 2 (2026): February-April
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/asset.v8i2.2664

Abstract

The use of recycled plastic waste as a binder for paving blocks has been reported in a number of previous studies. However, most of these studies focus on feasibility and do not clearly explain how different plastic types behave mechanically over time. In this study, the compressive strength performance of paving blocks made from polypropylene (PP), polyethylene terephthalate (PET), and high-density polyethylene (HDPE) was experimentally compared using sand or fly ash as fillers. All mixtures were prepared with a fixed composition of 60% plastic and 40% aggregate. Compressive strength testing was carried out at 28 and 56 days using three specimens for each mix. The results show that the HDPE–sand mixture achieved the highest compressive strength at 28 days, reaching 15.7 MPa. Nevertheless, a noticeable reduction in strength was observed at 56 days, particularly in the HDPE-based mixtures. This reduction is mainly associated with polymer shrinkage and the development of interfacial stresses between the plastic binder and the aggregates. Overall, the results indicate that plastic-based paving blocks can meet the requirements of SNI 03–0691–1996 for light-duty applications, although their long-term mechanical stability remains a limitation that needs further attention.
Pengaruh Serbuk Cangkang Kerang Terhadap Kuat Tekan Bebas Tanah Lempung Lunak Pesisir Dyah Pratiwi Kusumastuti; Yulita Arni Priastiwi; Anik Sarminingsih
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 31, Nomor 2 (2025)
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v31i2.71174

Abstract

As an archipelagic country, Indonesia has extensive coastal areas that are intensively developed for infrastructure. Kosambi District in Tangerang Regency is one of the rapidly growing coastal regions due to its proximity to Soekarno–Hatta International Airport. However, the area is predominantly underlain by soft marine clay soils with low bearing capacity and high compressibility, which pose challenges for infrastructure development. To improve soil stability, soil stabilization methods are required to enhance unconfined compressive strength and undrained shear strength. This study aims to analyze the effect of cockle shell powder addition on the unconfined compressive strength and undrained shear strength of soft marine clay. Laboratory tests were conducted on untreated soil and soil stabilized with 5%, 10%, 15%, and 20% cockle shell powder by dry weight of soil. The results indicate that the optimum performance was achieved at a 10% addition, resulting in a 24.86% increase in unconfined compressive strength compared to untreated soil. In addition to improving strength, the addition of cockle shell powder reduced water content and enhanced interparticle bonding, thereby improving soil stability. These findings demonstrate that cockle shell powder has strong potential as an effective stabilizing material for soft coastal clay soils.
Co-Authors . Widayat Abi Nabil Hanif Adi Noor Fakhriyan Adi Putra, Kukuh Cahya Akhmad Firdos Khoiril Khitam Andi Retno Ari Setiaji Andreanto, Stefanus Kristian Anik Sarminingsih Anik Sarminingsih, Anik Ardidawa, Variandi Arif Hidayat Arif Hidayat Badru, Zidny Salamsyah Bambang Pardoyo Bima Bima Blinka Hernawan Prasetya Cahyo, Bagas Indra Carita, Nensi Christhy Amalia Sapulete, Christhy Amalia Daryanto, Dwi Dina Daniaty Dyah Pratiwi Kusumastuti Edo Antonio Enda Suranta Sitepu Fatchur Roehman Gardha Satria Fadillah Gilbert Fernando Han Ay Lie Hardi Wibowo Himawan Indarto Himawan Indarto Husna, Khotimatul Ifan Hasnan Taufiqur Rohman Ilham Nurhuda Ilham Nurhuda Iswandi Imran Kenny Ghalib Luthfiana, Nisa M. Lutfi Moh Nur Sholeh Mona Dwi Anggraeni Muhammad Rizkivano Akbar Muhrozi Muhrozi Muhrozi Muhrozi Nasyiin Faqih Nauval Rabbani Nazila, Kamila Shaomi Nizami, Chazaidhan AlFahd Nurhuda, S.T., M.T., Ph.D., Ilham Nuroji Nuroji Nuroji Nuroji Pratomo, Shendy Eko Purwanto Purwanto Purwanto Purwanto Putriagsari, Farah Naurah Qomaruddin, Mochammad Ratna Purwaningsih Rizki Amalia Putri Rudi Yuniarto Adi Samuel Parluhutan Saputra, Nugraha Eka Sekarningtyas, Nazifa Sendrika, Difa Bagus Setiadi, Muhammad Irfan Silviana Silviana Sri Prabandiyani Retno Wardani Sri Prabandiyani Retno Wardani Sri Prabandiyani Retno Wardani Sri Tudjono Sukamta Sukamta Tamrin, Rinaldo Thoyfurrohman, Muhammad Akhis Ulayya, Inandhiya Ayu Undayani Cita Sari Undayani Cita Sari Vicky Ramadhani, Vicky Windu Partono Windu Partono Yayan Adi Saputro Yohanes Agung Nugroho Yulianti, Erika Zainuddin, Zainuddin