ANALISIS SOIL CEMENT BASE (SCB) SEBAGAI ALTERNATIF PENGGANTI KERUSAKAN LAPIS PONDASI JALAN (Studi Kasus Jalan Petuk Liti Bawan 1 Kabupaten Pulang Pisau Provinsi Kalimantan Tengah)

Siswantino, Depri (2017) ANALISIS SOIL CEMENT BASE (SCB) SEBAGAI ALTERNATIF PENGGANTI KERUSAKAN LAPIS PONDASI JALAN (Studi Kasus Jalan Petuk Liti Bawan 1 Kabupaten Pulang Pisau Provinsi Kalimantan Tengah). Masters thesis, Untag 1945 Surabaya.

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Abstract

As long the utilizing of granite soils as basic layer soil (subgrade) for roads works in Kabupaten Pulang Pisau, while it was for admixtured with aggregates. However, these are hard to find as required for the value of average gradation in this location. That’s why it should be researched about the utilizing of granite soil in Desa Petuk Liti B awan 1 which was distablization with foundation layers (sub base).This research aimed to understand about the effects for adding cements of granite soils toward measure of unconfined compressive test (UCS) and also to find out the effects UCS test with number of California Bearing Ratio Test.The method in this research applied in experiments method in laboratory. It is used sample which made of soil granite material from Desa Petuk Liti Bawan 1 with variation numbers. These are : 4.5 %, 5.0% , 5.5% , 6.0% , and 6.5%. These were used for unconfined compressive strength test (UCS) and also for optimum amount of cement during California Bearing Ratio test (CBR).After through stage of this research, where the amount of cement based on standard level of Unconfined Compressive Strength (UCS) requirement for Soil Cement Base (SCB) shown in percentages are 5.5%, 6.0%,6.5% . In other side, the number from 4.5% and 5.0% are not fulfill as standard level requirement that required. So, the utilizing for amount of cement that fullfill of requirements for the UCS test is 5.5%. Meanwhile, the value of California Bearing Ratio (CBR) is 60.23%. It got from the measure of unconfined compression test 25.83 kg/cm2 as required from 24.00 kg/cm2 as amount of cement 5.5%. This research aimed to be continued next time for study about the Soil Cement Base (SCB) with more other tests, and also it should be continued with granite soils admixture with cement added with additive.

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