PERBAIKAN TANAH EKSPANSIF MENGGUNAKAN BIJIH PLASTIK PET

WILBURN, DEVIN FORTINO (2025) PERBAIKAN TANAH EKSPANSIF MENGGUNAKAN BIJIH PLASTIK PET. S1 thesis, Universitas Mercu Buana Jakarta.

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Abstract

Expansive soil is a problematic soil type due to its highly sensitive swelling and shrinking properties in response to water, necessitating stabilization measures for design purposes. Additionally, plastic waste pollution has become a global issue because plastic materials are difficult to decompose naturally. In Indonesia alone, it is estimated that every minute, waste equivalent to one truckload is dumped into the open sea. This impacts the pollution of the ecosystem chain. This study was conducted to address environmental pollution caused by plastic by investigating the potential of plastic materials for soil stabilization. The soil samples were excavated from Jonggol, West Java. The plastic used in this study is polyethylene terephthalate (PET), commonly found in beverage bottles. The substitution rates of PET used are 2%, 4%, 6%, and 8%. The tests conducted included physical property tests (Index Properties) and technical property tests (Engineering Properties) on the soil, with the plastic substitution aimed at testing technical properties such as CBR tests in dry (unsoaked) and wet (soaked) conditions, as well as unconfined compressive strength (UCS) tests. Keywords: Expansive Soil, Soil Stabilization, PET Plastic Tanah Ekspansif merupakan jenis tanah yang bermasalah dikarenakan sifat kembang-susutnya yang sangat sensitif terhadap air, sehingga diupayakan Stabilisasi pada tanah jenis ini untuk keperluan desain. Selain itu masalah pencemaran sampah plastik sudah menjadi isu global dikarenakan material plastik sulit terurai secara alami. Di Indonesia sendiri diperkirakan setiap menitnya sampah berukuran satu truk dibuang ke laut lepas. Hal ini berdampak terhadap pencemaran rantai ekosistem. Penelitian ini dibuat dengan upaya menanggulangi masalah pencemaran lingkungan yang di akibatkan plastik dengan meneliti potensi material plastik untuk Stabilisasi tanah. Spesimen tanah uji ter-ekskavasi dari Jonggol, Jawa Barat. Plastik yang digunakan pada penelitian ini berjenis polyethylene terephthalate (PET) yang umum di temukan pada botol minum kemasan. Besaran substitusi PET yang digunakan sebesar 2%, 4%, 6% & 8%. Pengujian-pengujian yang dilakukan berupa pengujian sifat fisis (Index Properties) dan pengujian sifat teknis (Engineering Properties) pada tanah, yang mana substitusi plastik ditujukan untuk pengujian sifat teknis seperti pengujian CBR kondisi kering (unsoaked) dan keadaan basah (soaked) serta pengujian kuat tekan bebas (UCS). Kata kunci : Tanah Ekspansif, Stabilisasi Tanah, Plastik PET

Item Type:	Thesis (S1)
Call Number CD:	FT/SIP. 25 171
NIM/NIDN Creators:	41121010069
Uncontrolled Keywords:	Tanah Ekspansif, Stabilisasi Tanah, Plastik PET
Subjects:	600 Technology/Teknologi > 620 Engineering and Applied Operations/Ilmu Teknik dan operasi Terapan > 624 Civil Engineering/Teknik Sipil 600 Technology/Teknologi > 620 Engineering and Applied Operations/Ilmu Teknik dan operasi Terapan > 627 Hydraulic Engineering/Rekayasa Hidrolik 600 Technology/Teknologi > 630 Agriculture and Related Technologies/Pertanian dan Teknologi Terkait > 631 Specific Techniques; Apparatus, Equipment, Materials/Teknik Spesifik; Peralatan, Peralatan, Bahan > 631.4 Soil Science/Ilmu Tanah 600 Technology/Teknologi > 660 Chemical Engineering and Related Technologies/Teknologi Kimia dan Ilmu yang Berkaitan > 668 Technology of Other Organic Products/Teknologi Produk Organik Lainnya > 668.4 Plastics/Teknologi Plastik
Divisions:	Fakultas Teknik > Teknik Industri
Depositing User:	khalimah
Date Deposited:	09 Oct 2025 05:28
Last Modified:	09 Oct 2025 05:28
URI:	http://repository.mercubuana.ac.id/id/eprint/98940

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