Maeda Road Construction Co., Ltd.

Maeda Road Constructions Co., Ltd

Kentaro Koshi

Hirochika Moriyasu

Hiroshi Taniguchi

Keigo Hatakeyama

Toshihumi Emukai

Provided is a production method of a recycled hot asphalt mixture obtained by mixing a recycled aggregate, a new aggregate, asphalt, and an additive for recycle, comprising: heating the additive for recycle; adding moisture to the heated additive for recycle and mixing thereof so as to make the additive for recycle be formed; and adding the additive for recycle in a foamed state to the recycled aggregate, the new aggregate, and the asphalt and mixing thereof.

Recycled hot asphalt mixture production method

An asphalt mixture is provided which comprises an aggregate, an asphalt, a lubricative solidification material and an alkaline additive material that are mixed together. The lubricative solidification material contains an oleic acid at a ratio of 67 to 85 wt %.

Asphalt mixture, process for production of same, and paving method using same

An asphalt mixture is provided which comprises an aggregate, an asphalt, a lubricative solidification material and an alkaline additive material that are mixed together. The lubricative solidification material contains a palmitic acid at a ratio of 1 to 15 wt %, a stearic acid at a ratio of 0.3 to 10 wt %, an oleic acid at a ratio of 39 to 59 wt %, a linoleic acid at a ratio of 20 to 48 wt %, and a linolenic acid at a ratio of 1 to 15 wt %.

An ordinary temperature construction type hot asphalt mixture is provided which comprises an aggregate, an asphalt, a lubricative solidification material and an alkaline additive material that are mixed together, wherein the lubricative solidification material contains a fatty acid and a resin acid with a ratio of 99.5:0.5 to 80:20 as a weight ratio of 'fatty acid:resin acid'.

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Tokyo, Japan

Kentaro Koshi