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Rena Ningsih, Rena
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Civil Engineering, Building, Construction & Architecture

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PENGARUH KOLOM PASIR TERHADAP KONSOLIDASI TANAH LEMPUNG LUNAK Listyawan, Anto Budi; Wiqoyah, Qunik; Ningsih, Rena; Widhi Satriyana, Marten Widhi Satriyana Ramadlan
Eco Rekayasa Vol. 11. No.1, Maret 2015
Publisher : Universitas Muhammadiyah Surakarta

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Abstract

The  road weaving near Sragen city Central Java has been daily problem  in  last decade. The  existing of high expansive  clay soil in subgrade below the road foundation has been identified as the major cause of this problem. Sand Column become one solution to improve the subgrade since it can ab-sorb the water  from the void of clay soil and drain into the channel. The re-search develops a model of Sand column in laboratorium. The box of 1.0 m x 0.4 m x 0.4 m has been created. 15 cm diameter of sand column then installed at the toe and samples for consolidation test are taken from various distances from the centre of column (i.e. 16.67 cm; 33.33 cm; and 50 cm). The result shows that the Sand Column can improve the soft clay soil in terms of consolidation. The coefficient of consolidation increases as the compression index drops. Consequently, the consolidation settlement can be re-duced significantly.
PENGARUH KOLOM PASIR TERHADAP KONSOLIDASI TANAH LEMPUNG LUNAK Listyawan, Anto Budi; Wiqoyah, Qunik; Ningsih, Rena; Widhi Satriyana, Marten Widhi Satriyana Ramadlan
Eco Rekayasa: Jurnal Teknik Sipil Vol. 11. No.1, Maret 2015
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The  road weaving near Sragen city Central Java has been daily problem  in  last decade. The  existing of high expansive  clay soil in subgrade below the road foundation has been identified as the major cause of this problem. Sand Column become one solution to improve the subgrade since it can ab-sorb the water  from the void of clay soil and drain into the channel. The re-search develops a model of Sand column in laboratorium. The box of 1.0 m x 0.4 m x 0.4 m has been created. 15 cm diameter of sand column then installed at the toe and samples for consolidation test are taken from various distances from the centre of column (i.e. 16.67 cm; 33.33 cm; and 50 cm). The result shows that the Sand Column can improve the soft clay soil in terms of consolidation. The coefficient of consolidation increases as the compression index drops. Consequently, the consolidation settlement can be re-duced significantly.
Co-Authors Anto Budi Listyawan Marten Widhi Satriyana Ramadlan Widhi Satriyana, Marten Widhi Satriyana Ramadlan Qunik Wiqoyah Widhi Satriyana, Marten Widhi Satriyana Ramadlan