STABILISASI TANAH LIAT DENGAN KAPUR PADA KONSTRUKSI BADAN JALAN HUTAN DI PULAU LAUT

Rahardjo S Suparto, S Sutopo

Sari


Subgrade  construction is an important part in forest  road building,  Subgrade soils with a high clay content  could  not be used satisfactorily as forest  road construction material  unless it is treated  to increase its stability.  The improvement of the  physical characteristics of clay  soils  related  to  subgrade  construction  can  be achieved  by  mixing  lime  of certain proportion into   the soil. The purpose of this investigation  is to determine the amount  of lime required for subgrade stabilization  which  have high clay content  in Pulau Laut,  South  Kalimantan The investigation  reveals the following :

1.  The  efective  amount   of  lime  stabilization of  soils  is 7 percent of  the dry  weight  of  the  soil, resulting  in the following  physical  properties  :

Bearing capacity  is 167 kg/cm2 at air dry  condition,

Percent  of swell is 2.3,

Plasticity index  is 25.5,  and

pH is 9.00.

2.  Stabilization   with  7 percent  lime is most  effective  for use in forest  road subgrade containing  about  66% clay.

 


Kata Kunci


Stabilization;determine;construction;proportion

Teks Lengkap:

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Referensi


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Rahardjo S. Suparto dan S. Sutopo, (1983). Perbaikan Sifat Keteknikan Tanah dengan Kapur untuk Stabilisasi Badan Jalan. Laporan No. 165 Pusat Penelitian dan Pengembangan Hasil Hutan, Bogor.

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Scott and Schoustra, (1968). Soil Mechanic and Engineering McGraw-Hill Inc. New Delhi, India.

Suparto R.S, (1971), Lime Stabilization of Clays and Lateritic Soils. A paper prepared in completion of CETC 599 Civil Engineering Department University of Washington, Seattle August 20, 1971.

Rihko Haarlaa (1980). Effect of Soils on The Strength of Forest Roads. Planning of Forest Roads and Log Transportation in Africa National Board of Vocational Education Forestry Training Programme for Developing Countries Finland 1980. Helsinki, Finland.

Zube, Ernest and Clyde Gates, (1966), California's Experience With Lime Treatment in Road Construction. California Highways and Public Works Magazine.




DOI: https://doi.org/10.20886/jphh.1984.1.2.11-22

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