Studi perbaikan tanah dasar dengan stabilisasi garam dapur ( NaCl ) di ruas jalan Kerep-Jegles di Kabupaten Nganjuk, Jawa Timur

Goo,, Maria Imaculata (2019) Studi perbaikan tanah dasar dengan stabilisasi garam dapur ( NaCl ) di ruas jalan Kerep-Jegles di Kabupaten Nganjuk, Jawa Timur. Other thesis, Wijaya Kusuma Surabaya University.

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Abstract

ABSTRAKSI Hasil pengujian Indeks Properties pada Ruas Jalan Kerep-Jegles menunjukan nilai kadar air sebesar 30.83%, berat isi sebesar 1.65 gr/cm3 dan berat jenis sebesar 2.25. Nilai indeks plastisitas (IP) sebesar 47.01%.Tanah pada lokasi penelitian menunjukan bahwa tanah tersebut termaksud tanah lempung berplastisitas tinggi dan perlu dilakukan stabilisasi. Stabilisasi dilakukan dengan mencampur bahan kimia yaitu berupa garam dapur (NaCl) pada tanah. Kadar garam yang digunakan adalah 20%, 30% dan 35%. Hasil penelitian menunjukan bahwa garam dapur (NaCl) dapat meningkatkan daya dukung tanah. Nilai berat jenis sebesar 2.52 dan berat isi sebesar 1.76 pada kadar garam 35%. Nilai indeks plastisitas mengalami penurunan menjadi 12.70%. Nilai berat kering optimum mengalami peningkatan dari 1.34 menjadi 1.51 dan kadar air optimum dari semula 25.5% menjadi 16.5%. Kata kunci : tanah lempung, stabilisasi, garam dapur (NaCl), daya dukung tanah ABSTRACT The result of Properties Index testing on Kerep-Jegles road section show the value of moisture content of 30.83%, weight of contents of 1.65 gr/cm3 and density of 2.25. Atterberg limit value obtained plasticity index (IP) of 47.01%. Soil at the research site shows that the soil is a clay with high plasticity and stabilization needs to be done. Stabilization of clay is done by mixing chemicals, NaCl, on the soil. Salt content that used is 20%, 30 % and 35%. The results of the study show that salt (NaCl) can increase the carrying capacity of the soil. The value of specific gravity is 2.52 and the weight is 1.76 at the salt content of 35%. The plasticity index value decreased to 12.70%. The optimum dry weight value has increased from 1.34 to 1.51 and optimum water content from initially 25.5% to 16.5%. Key words: clay soil, stabilization, kitchen salt (NaCl), soil carrying capacity

Item Type: Thesis (Other)
Uncontrolled Keywords: tanah lempung, stabilisasi, garam dapur (NaCl), daya dukung tanah
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TE Highway engineering. Roads and pavements
Divisions: Faculty of Engineering > Civil Engineering Study Program
Depositing User: Maria Imaculata Goo
Date Deposited: 26 Aug 2019 02:20
Last Modified: 26 Aug 2019 02:20
URI: http://erepository.uwks.ac.id/id/eprint/4310

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