KARAKTERISTIK PERMEABILITAS TANAH GAMBUT DI DAERAH OGAN KOMERING ILIR

NUFUS, PUTRI HAYATUN and Dewi, Ratna (2024) KARAKTERISTIK PERMEABILITAS TANAH GAMBUT DI DAERAH OGAN KOMERING ILIR. Undergraduate thesis, Sriwijaya University.

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Abstract

Wilayah tanah gambut seringkali menawarkan potensi lahan yang luas dan strategis untuk Pembangunan infrastruktur yang dibutuhkan masyarakat di daerah tersebut. Salah satunya adalah lahan gambut yang berada di daerah Ogan Komering Ilir, Sumatera Selatan. Penelitian ini bertujuan untuk mengetahui sifat fisis dan permeabilitas dari tanah gambut di daerah Ogan Komering Ilir. Metode pada penelitian ini adalah kuantitatif deskriptif dengan teknik pengumpulan data pengujian pada pemodelan di laboratorium. Pengujian permeabilitas tanah menggunakan metode falling head test dengan sampel tanah tidak terganggu (undisturbed) dengan alat falling head permeameter. Setelah dilakukan pengujian index properties dan permeabilitas tanah didapatkan kesimpulan gambut amorphous memiliki rerata nilai berat jenis tanah sebesar 1,58; bulk density sebesar 1,17 gr/cm³; dry density sebesar 0,22; kadar air sebesar 333,02%; liquid limit sebesar 54,98%; tanah lolos saringan no. 40 sebesar 76,12%; tanah lolos saringan no. 200 sebesar 58,28; kadar serat sebesar 15,80%; kadar abu sebesar 24,55%; dan kadar organik sebesar 75,43%. Sedangkan gambut fibrous didapat rerata nilai berat jenis tanah sebesar 1,60; bulk density sebesar 1,20 gr/cm³; dry density sebesar 0,18; kadar air sebesar 526,72%; kadar serat sebesar 22,74%; kadar abu sebesar 35,86%; dan kadar organik sebesar 64,12%. Sedangkan nilai koefisien permeabilitas (k) di daerah Ogan Komering Ilir berada pada kisaran 10ˉ⁴ cm/dt dan dikategorikan sebagai tanah gambut dengan permeabilitas rendah.

Item Type: Thesis (Undergraduate)
Uncontrolled Keywords: Permeabilitas, gambut, Falling Head Test, Ogan Komering Ilir
Subjects: T Technology > TA Engineering (General). Civil engineering (General) > TA703-712 Engineering geology. Rock mechanics. Soil mechanics.Underground construction
Divisions: 03-Faculty of Engineering > 22201-Civil Engineering (S1)
Depositing User: Putri Hayatun Nufus
Date Deposited: 27 Feb 2024 00:54
Last Modified: 27 Feb 2024 00:54
URI: http://repository.unsri.ac.id/id/eprint/141110

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