Sabut Kelapa Sebagai Bahan Drainase Pada Lapisan Tanah Dasar Jalan Raya. (Coconut Fiber As A Drainage Material In Highway Subgrade Layer).

-, Satwarnirat and -, Liliwarti and Arhenita, Dwina (2011) Sabut Kelapa Sebagai Bahan Drainase Pada Lapisan Tanah Dasar Jalan Raya. (Coconut Fiber As A Drainage Material In Highway Subgrade Layer). POLI REKAYASA, 7 (1). pp. 56-63. ISSN 1858-3709

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Abstract

Problems that often occur on the highway built on the soil slabs is the roads are easily damaged, wavy, perforated, and even the ways decrease mainly due to the water. Drainage material commonly used is the synthesis materials, known as coconut geotextile fiber, that is one of the alternative materials used as drainage material because the coconut geotextile fiber is water permeable that make it easy to pass. The coconut fiber used is made ​​like mattress (the mattress with an open pattern, tightly woven, and the elongated channels) and laid on the surface layer of the road subgrade. Tests conducted in the laboratory with a small scale, using the test box length = 50 cm, width = 30 cm, and height = 40 cm. Soil is compacted into a test box as high as 15 cm and then is saturated for 24 hours. The mattress of coconut geotextile fiber is spread on the surface of the soil and then carried out the preloading. The pressures of pore ​​water that exist in the soil will rise because of the given load, so that water will find a more permeable area such coconut fiber mattress that serves as drainage. Water that comes out through the drain of coconut fiber given load for 15 days is 0.76% for mattress with tightly woven mattress pattern, open mattress pattern = 5379%, and the elongated channels = 3.842% The free compressive strength of soil increased simultaneously with the decrease of water from the soil, and the increasing value of free compressive strength of soil is greater than 2.5 times compared with the prior installation of coconut fiber drainage.

Item Type:Article
Subjects:G Technology > GD Highway engineering. Roads and pavements
Divisions:Jurusan Teknik Sipil > Prog.Studi Teknik Perancangan Jalan dan Jembatan-D4 > Jurnal/Karya Ilmiah
ID Code:380
Deposited By:Mr. OP Repo-1 Puskom
Deposited On:27 Oct 2016 09:11
Last Modified:09 Nov 2016 10:40

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