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All Journal Portal: Jurnal Teknik Sipil
Miswar Miswar
Jurusan Teknik Sipil Politeknik Negeri Lhokseumawe
Civil Engineering, Building, Construction & Architecture

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ANALISA PEMANFAATAN ABU AMPAS TEBU SEBAGAI FILLER PADA LAPISAN TIPIS ASPAL PASIR Miswar Miswar
Portal: Jurnal Teknik Sipil Vol 2, No 1 (2010)
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/portal.v2i1.458

Abstract

Tujuan dari penelitian ini adalah untuk mengetahui kemampuan lapisan tipis aspal pasir (latasir) menggunakan agregat alam dari Sungai Krueng Tingkeum dengan campuran abu ampas tebu sebagai filler pengganti. Pengujian awal dilakukan terhadap variasi kadar aspal 5%; 5.5%; 6%; 6.5%; 7%; dengan masing-masing 3 benda uji pada setiap variasi untuk mendapatkan kadar aspal optimum yang dipadatkan dengan 2x75 tumbukan dan buat lagi 3 benda uji untuk mendapatkan stabilitas Marshall. Berdasarkan hasil yang diperoleh dari penelitian di Laboratorium Teknik Sipil Politeknik Negeri Lhokseumawe diperoleh kadar aspal optimum sebesar 3,91% yang menghasilkan density sebesar 2,307 gr/cm3 dengan stabilitas 563,342 kg. Dari hasil penelitian tersebut, maka agregat dari Krueng Tingkem tidak dapat digunakan untuk lalu lintas berat, karena nilai stabilitasnya lebih kecil dari persyaratan lalu lintas berat yaitu 750 kg.Kata-kata kunci: latasir, stabilitas Marshall
STABILISASI TANAH LEMPUNG MENGGUNAKAN SEMEN DAN KAPUR UNTUK MENINGKATKAN DAYA DUKUNG CBR TANAH Miswar Miswar; Syaifuddin Syaifuddin; Neilul Amani
Portal: Jurnal Teknik Sipil Vol 9, No 2 (2017)
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/portal.v9i2.615

Abstract

Land is a very influential material in a road construction work. Soil has properties that can interfere with a road construction such as relatively large shrinkage and low CBR values. One of the land improvement efforts under study is stabilization using cement and lime. The objectives of this study were to compare the clay CBR values before and after stabilization with the addition of cement and lime respectively 0%, 6%, 12% and 18% based on dry soil weight with a period of 4 days. Tests cover physical and mechanical properties of soil compaction and CBR Laboratory by referring to SNI for each test. The result of the unsoaked CBR testing was 18.2% after 4 days of curing there was an increase of 184.4% in 18% cement addition and 21.0% in the addition of 18% lime and the soaked CBR testing was 6.1% after being soaked for 4 days There was a 157.8% increase in cement 18% and 17.3% increase in the addition of 18% chalk. Cement and lime form a binding material resulting in an increase in the value of CBR. The use of cement and lime can increase the carrying capacity of clay soils as the percentage of cement and lime increases.Keywords: clay soil, cement and lime, CBR.
Co-Authors Neilul Amani Syaifuddin Syaifuddin