Kajian Perbandingan Nilai Karakteristik Marshall Pada AC-Base Pengaruh Dari Rendaman Air Gambut Dan Air Tawar

Azwandi, Azwandi (2022) Kajian Perbandingan Nilai Karakteristik Marshall Pada AC-Base Pengaruh Dari Rendaman Air Gambut Dan Air Tawar. Masters thesis, Universitas Islam Riau.

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Abstract

Road pavements are designed to achieve the service life of the plan. Standing water will result in decreased adesi and cohesion properties of asphalt, plus repeated traffic loads over the bending pavement are inundated with water so that the pavement will experience hair cracks, disentegration, and holes. Peat areas are often found bending damage due to peat waterlogging. The purpose of the study was to find out the characteristics of Marshall AC-Base, the percentage of comparison of marshall ac-base characteristic values, and the comparison of marshall AC-Base characteristics of peat and freshwater soaking influences on previous ac-BC studies. Research conducted in the Laboratory with research methods consisting of research preparation, designing AC-Base mixtures, determining optimum asphalt levels (KAO) with a type of 60/70 penetration asphalt derived from PT. Pertamina, 40ºC field temperature retrieval, AC-Base test object immersion with peat water and freshwater field temperature 40ºC duration 0, 4, 14, and 28 days, soaking ACBase test objects in waterbath temperature 60ºC and room temperature duration of 30 minutes, and testing characteristics of Marshall test objects AC-Base peat water soaking comes from langgam area, Pelalawan Regency, and fresh water comes from the Pekanbaru city area. Marshall characteristic values result peat and freshwater soaking stability values of 1349 kg and 2246 kg, flow values of peat and freshwater soaking of 3.83 mm and 5.50 mm, and MQ values of peat and freshwater soaking of 256.11 kg/mm and 571.05 kg/mm. Percentage comparison of the stability value of peat water immersion temperature 60ºC to fresh water temperature 60ºC and room temperature 7.84% and 13.73%, peat water soaking room temperature to fresh water temperature 60ºC and room temperature 3.12% and 9.31%. Peat water discharge value temperature 60ºC to fresh water temperature 60ºC and room temperature 13.69% and 11.27%, peat water immersion room temperature against fresh water temperature 60ºC and room temperature 16.16% and 13.80%. MQ value of peat water temperature 60ºC to freshwater temperature 60ºC and room temperature 19.74% and 22.72%, peat water soak room temperature to fresh water temperature 60ºC and room temperature 17.98% and 21.02%. The stability value of AC-Base peat and freshwater water bath has a lower stability value than the stability value of AC-BC.

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