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Studi penelitian penggunaan batu piroksenit (Batu Purwodadi) sebagai alternatif pengganti agregat kasar dalam campuran laston pada lapisan aus jalan (CD)
The raising of road infrastructure in Indondesia is more being stepped up. It has been obviously seen at some new road contructions as well as road reconstruction. This reaserch uses mixture type LASTON as one of elastic hardening coat type. The aim of this rasearch is to get stabilty and flow score of rough aggregate Piroksenit stone in asphalt mixture.
The rough aggregate Piroksenit stone was taken from Purwodadi while the asphalt used was penetration asphalt 60/70 from Pertamina. Before being used as hardening material, firstly the aggregrat was tested for the organic content, water content, absorption and mass. The result was conformed to requerement of Bina Marga No. 13/PT/1983. AASHTO, continued to next test by using Marshall equipment.
Data of the result and Regresion Analyse result were taken from stability score, Flow, by asphalt content optimum 5,70% to LASTON rough aggregart Piroksenit stone mixture and broken stone as comparison standard.
It was known there was raising of stability score 2,14% and raising of flow score 1,02% from rough aggregate Piroksenite stone toward broken stone as comparison standard.
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