PERILAKU TANAH EKSPANSIF YANG DITAMBAHKAN LAPISAN GEOTEXTILE TERHADAP DAYA DUKUNGNYA
##plugins.themes.academic_pro.article.sidebar##
##plugins.themes.academic_pro.article.main##
Abstract
There are many problems regarding expansive soils, including the magnitude of stability (CBR) and swelling due to the compaction process, fluctuating water content. The compaction process is carried out layer by layer (field/laboratory), in accordance with the laboratory compaction process, layers of sand are given, so that the arrangement is alternate (5 layers). Each layer is given a membrane / sheet of geotextile. The conclusions obtained are: The amount of swelling in the compaction test with Modified Compaction in soaked conditions is 12.7%, this illustrates that the expansive soil sample from Lippo Cikarang is in the category of high development potential; The stability of the subgrade soil as part of the road body is given by the CBR value, the stability in the study with 5 layers, the formation is soil + sand + soil + sand + soil, with a geotextile layer (G1) of 14.9%, G2 of 16.85%, and G3 by 10.73%, and G4 formation by 6.53%. The magnitude of stability (CBR) and expansion of the expansive soil from Lippo Cikarang which was compacted according to the Modified Compaction was 5.45% (original soil), while the swelling was 12.7 %; The provision of geotextile membranes for the G3 and G4 formations has a positive effect, namely swelling below the original soil swelling value so that it provides development below the original soil value.
##plugins.themes.academic_pro.article.details##
References
- ASTM, 1980., Annual Book of ASTM Standards, Philadelphia, American Society for Testing and Material, Part 19.
- Braja M. Das, 1991., Mekanika Tanah (Prinsip-prinsip Rekayasa Geoteknik), Jakarta, Erlangga.
- Budhu Muni, 2000., Soil Mechanics and Foundations, John Wiley and Sons Inc, New York.
- Callisto and G. Calabresi, 1998, Mechanical Behaviour of a Natural Soft Clay, Journal of the Geotechnical Engineering Division, ASCE No.04, Vol. 48, August 1998; Page: 515 – 525.
- Damoerin,D., dan Virisdiyanto, 1999, Stabilisasi Tanah Lempung Ekspansif dan Pasir Dengan Penambahan Semen atau Kapur Untuk Lapisan Badan Jalan, Prosiding Seminar Nasional Geoteknik , jurusan Teknik Sipil UGM, Yogyakarta.
- Departemen Pekerjaan Umum. 2005. Pedoman Penanganan Tanah Ekspansif untuk Konstruksi Jalan. Jakarta: Departemen Pekerjaan Umum.
- Donald P Coduto, 1994., Foundation Design Principles and Practice, Prentice-Hall Inc, Englewood Cliffs, New Jersey.
- Madhyanapu, R. S. dan Puppala, A. J. 2014. Design and Construction Guidelines for Deep Soil Mixing to Stabilize Expansive Soils. Journal of Geotechnical and Geoenvironmental Engineering. 140. American Society of Civil Engineers.
- Federal Highway Administration. 2000. An Introduction to the Deep Soil Mixing Methods as Used in Geotechnical Applications. United State: Department of Transportation Federal Highway Administration.
- Joseph E Bowles, 1987., Sifat-sifat Fisis dan Geoteknis Tanah (Mekanika Tanah), Erlangga, Jakarta.
- Procidings 6th International Conference on Expansive Soils, 1988., Identification and Classification of Expansive Soils, Pg. 23 – 30, A.A. Balkema, Rotterdam.
- Malhotra, M., & Naval, S. (2013). Stabilization of expansive soils using low cost materials. International Journal of Engineering and Innovative Technology, 2(11), 181-184.
- Suryolelono, K.B., 1999, Potensi Variasi Campuran Abu sekam Padi dan Kapur untuk Meningkatkan Karakteristik Tanah Lempung, Forum Teknik Sipil No. VIII/1, Jurusan Teknik Sipil Fakultas Teknik UGM, Yogyakarta.
- Wardani, S. P. R., Hardiyati, S., Muhrozi, M., & Pardoyo, B. (2015). Stabilisasi tanah lempung dengan mengunakan larutan asam sulfat (H2SO4) pada tanah dasar di daerah Godong-Purwodadi Km 50 Kabupaten Grobogan. Media Komunikasi Teknik Sipil, 21(1), 13-22.
- Van Bemmelen, R.W, 1949., The Geology of Indonesia, The Martinus Nijhoff, The Netherlands.