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    • Volume 09 No. 1, Maret 2013
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    APPLICATION OF MARSHALL APPARATUS TO ANALYSE THE INFLUENCE OF TEMPERATURE ON ELASTICITY MODULUS OF ASPHALT CONCRETE

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    Date
    2013-03
    Author
    Widodo, Sri
    Setiyaningsih, Ika
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    Abstract
    Nowadays, the modulus of elasticity has been used to determine the layer coefficient of road pavement. However in the construction of road asphalt pavement, the control of the strength of asphalt concrete is still using Marshall‟s stability value, so it is not appropriate with the principle of pavement design. Considering that the Indonesian laboratories of road still rarely have Marshall Apparatus, it will be interest to research the elasticity modulus of asphalt concrete at various temperatures by using Marshall apparatus. The procedure of the elasticity modulus test using Marshall apparatus was done by observe the stability gradually carried out for every 0.5 mm of flow addition. The stress is gained by dividing the stability with the area of compression surface while the strains is gained by dividing the flow with the diameter of specimen. The modulus of elasticity of the asphalt concrete is the gradient of the straight line of relation between stress and strain. The research shows that the value of modulus of elasticity of the Asphalt Concrete Wearing Course at the temperature 25 o C, 35 o C, 45 o C, 55 o C, and 65 o C respectively are 4,063 kg/cm , 2,599 kg/cm 2 , 2,395 kg/cm 2 , and 2,187 kg/cm 2 . The model of the influence of temperature towards the value of modulus of elasticity is y = 0,74 x 2 –118,76x + 6723,74, where y is modulus of elasticity (kg/cm 2 ) and x is temperature ( o C).
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    http://hdl.handle.net/11617/3052
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    • Volume 09 No. 1, Maret 2013

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