PENGARUH PENAMBAHAN ABU CANGKANG SAWIT TERHADAP TANAH LEMPUNG YANG DITINJAU DARI UJI CBR
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
SHAFIRA, AYU
Kusumastuti, Dyah Pratiwi
Kusumastuti, Dyah Pratiwi
Subject
Teknik Sipil
Datestamp
2022-09-19 07:33:23
Abstract :
Clay soils have colloidal fine-grained soils and a large amount of water content in this clay causes the carrying capacity of the soil to the structure built on it is very low. To improve the properties of the soil, chemical stabilization was carried out using palm shell ash which was viewed from the physical properties through CBR testing. The use of palm shell ash was taken with a variation of 5% each. 10%, 15% and 20%. From the variation of the mixture of palm shell ash, the optimum percentage value for the addition of palm shell ash was. Original Soil with a moisture content of 44,8276%, Gs = 2.4798 LL= 52.1571 %, PL= 32.5390%, IP=19.6181%, SL= 11.8654%. compaction = 2.7242 gr/cm³ and CBR=2.4000% and has clay type. The original soil was stabilized with a mixture of 20% palm shell ash in the second variation which gave the difference in yield from the original soil with a moisture content value = 29.4939%, Gs = 2.3007, LL = 33.1858%, PL = 24.3725 %, IP = 8.8131%, SL = 3.7770%, an increase in compaction to 1.3831 gr/cm3 and CBR 8.5000%.
Clay soils have colloidal fine-grained soils and a large amount of water content in this clay causes the carrying capacity of the soil to the structure built on it is very low. To improve the properties of the soil, chemical stabilization was carried out using palm shell ash which was viewed from the physical properties through CBR testing. The use of palm shell ash was taken with a variation of 5% each. 10%, 15% and 20%. From the variation of the mixture of palm shell ash, the optimum percentage value for the addition of palm shell ash was. Original Soil with a moisture content of 44,8276%, Gs = 2.4798 LL= 52.1571 %, PL= 32.5390%, IP=19.6181%, SL= 11.8654%. compaction = 2.7242 gr/cm³ and CBR=2.4000% and has clay type. The original soil was stabilized with a mixture of 20% palm shell ash in the second variation which gave the difference in yield from the original soil with a moisture content value = 29.4939%, Gs = 2.3007, LL = 33.1858%, PL = 24.3725 %, IP = 8.8131%, SL = 3.7770%, an increase in compaction to 1.3831 gr/cm3 and CBR 8.5000%.
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