DEDI SUSANTO, 0915011007 (2015) PENGARUH TANAH LEMPUNG BERPLASTISITAS TINGGI DENGAN BAHAN ADDITIVE ZEOLIT PADA UJI CBR DAN UJI GESER LANGSUNG. Fakultas Tehnik, Universitas Lampung.
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Abstract
Penelitian ini dilakukan untuk mengetahui pengaruh pencampuran antara zeolit dan tanah lempung terhadap nilai cbr dan kuat geser tanah. Hal ini dilakukan karena jika mendirikan struktur di atas tanah lempung akan menimbulkan beberapa permasalahan, antara lain kecilnya nilai CBR dan nilai kuat geser pada tanah tersebut. Oleh karena itu, sebelum dilakukan pembangunan struktur diatas tanah tersebut, perlu dilakukan stabilisasi tanah. Pada penelitian ini dilakukan stabilisasi tanah dengan menggunakan campuran antara zeolit dan tanah lempung. Untuk mengetahui pengaruh pencampuran antara zeolit dan tanah lempung terhadap nilai CBR dan kuat geser pada tanah lempung dilakukan dengan cara membuat variasi campuran zeolit sebesar 6%, 8% dan 10%. Pencampuran antara zeolit dan tanah lempung ini dilakukan dengan lama pemeraman 14 hari dan pemeraman selama 4 hari. Pengujian yang dilakukan meliputi pengujian sifat fisik tanah lempung baik tanah asli maupun tanah yang telah dicampur dengan zeolit, dan pengujian mekanik yang meliputi pengujian pemadatan standar, pengujian CBR dan pengujian kuat geser langsung. Berdasarkan hasil penelitian, penambahan zeolit dengan masa pemeraman dan perendaman dapat meningkatkan nilai CBR. Nilai CBR tertinggi didapat pada sampel tanah lempung dengan campuran zeolit 10 % dan peningkatan nilai kuat geser maksimum setelah tanah dicampurkan dengan zeolit pada penambahan maksimal 10%. Nilai CBR dan kuat geser tanah semakin meningkat seiring ditambahkannya persentase pada campuran. Kata kunci :Tanah Lempung, Zeolit, CBR, Kuat Geser Tanah ABSTRACT THE EFFECT OF HIGH PLASTICITY CLAY WITH ZEOLITE ADDITIVE ON CBR TEST AND DIRECT SHEAR TEST This study was conducted to determine the effect of mixing between the zeolite and the clay against the cbr value and soil shear strength. This is done because if the structures build over the clay will cause some problems, among others, the small value of CBR and shear strength value on the soil. Therefore, prior to the construction of structures on the land, soil stabilization needs to be done. On this research, soil stabilization using a mixture of zeolite and clay. To determine the effect of mixing between the zeolite and the clay against the value of CBR and shear strength on clay is done by varying the zeolite mixture of 6%, 8%, 10%. Mixing between the zeolite and the clay is done with a long ripening 14 days and ripening for 4 days. Testing was conducted on the physical properties of clay soil testing both native soil and soil that has been mixed with zeolite, and mechanical testing that includes standard compaction test, CBR test and direct shear strength test. Based on the research results, the addition of zeolites with curing and immersion time can increase the value of CBR. The highest value obtained on the sample CBR clay with a mixture of 10% and increasing the maximum shear strength value after the soil is mixed with zeolite in the addition of a maximum of 10%. The value of CBR and shear strength increases with the addition of a percentage in the mixture. Key words: Clay Soil, Zeolite, CBR, Soil Shear Strength
| Item Type: | Other |
|---|---|
| Subjects: | Q Science (General) > Q Science (General) |
| Divisions: | Fakultas Teknik > Prodi Sipil |
| Depositing User: | 7123506 . Digilib |
| Date Deposited: | 14 Dec 2015 07:21 |
| Last Modified: | 14 Dec 2015 07:21 |
| URI: | http://digilib.unila.ac.id/id/eprint/15706 |
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