Pondasi Dangkal diatas Tanah Lunak dengan Perkuatan Cerucuk Galam Berdasarkan Percobaan Lapangan

Yusti Yudiawati, Ahmad Marzuki

Abstract


This research studying the behaviour of shallow foundation with cerucuk support. 1,0 m2 reinforced concrete square of shallow foundation model is used, with 5 cm of cerucuk diameter. The research is to find out the foundation ultimate bearing capacity with 1,0 m and 2,0 m length variety of cerucuk, the distance between the pile is 1/4B, 1/3B and 1/2B and also area covered with cerucuk is 1,0 m2, 2,0 m2 and 3,0 m2. To observe the settlement behaviour  is made with giving fixed load of 40%, 60% and 100% of ultimate load ratio at 1,0 m and 2,0 m cerucuk at the same area covered with cerucuk that is 2,0 m2. The result of research shows that the deeper the cerucuk is embedded, the distance between the pile is getting closer and the wider the area covered with cerucuk, the pile ultimate bearing capacity is bigger and the settlement is smaller. To decrease the settlement of shallow foundation, the fixed load that allowable must be < 40 % of ultimate load and Safety Factor must be > 2,5. 


Keywords


shallow foundation, cerucuk galam, ultimate bearing capacity, ultimate load, Safety Factor

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References


Arya, Wayan dan I.B. Mochtar (2002), “Pengaruh Penambahan Cerucuk Terhadap Peningkatan Kuat-Geser Tanah Lunak Pada Permodelan di Laboratorium”, Tesis Magister Teknologi, Institut Teknologi Sepuluh Nopember Surabaya, Surabaya.

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Yudiawati, Y, dan Marzuki, A., 2008, Peningkatan Daya Peningkatan Daya Dukung dan Pengurangan Penurunan Pada Pondasi Dangkal diatas Tanah Lunak dengan Menggunakan Cerucuk Berdasarkan Percobaan Lapangan Laporan Penelitian Hibah Bersaing, Politeknik Negeri Banjarmasin, Banjarmasin.




DOI: http://dx.doi.org/10.20527/infotek.v9i2.1755

DOI (PDF): http://dx.doi.org/10.20527/infotek.v9i2.1755.g1527

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