JP6531022B2 - 常温施工型アスファルト合材の製造方法および常温施工型アスファルト合材 - Google Patents
常温施工型アスファルト合材の製造方法および常温施工型アスファルト合材 Download PDFInfo
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- JP6531022B2 JP6531022B2 JP2015198350A JP2015198350A JP6531022B2 JP 6531022 B2 JP6531022 B2 JP 6531022B2 JP 2015198350 A JP2015198350 A JP 2015198350A JP 2015198350 A JP2015198350 A JP 2015198350A JP 6531022 B2 JP6531022 B2 JP 6531022B2
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Description
2 骨材
3 バインダ層
4 添加材層
4a 添加材
5 表面被覆層
5a 石膏
6 植物繊維
7 消石灰
11 第一混合体
12 第二混合体
13 第三混合体
Claims (4)
- (1)(1−1)骨材、(1−2)繊維質材料、及び(1−3)消石灰またはセメント、の3成分を混合して第一混合体を形成する混合工程と、
(2)(2−1)ストレートアスファルト、(2−2)熱可塑性樹脂、(2−3)可塑剤および安定剤のいずれか、及び(2−4)プロセスオイル、の4成分を加えて構成されたバインダを、前記第一混合体に混合することで前記バインダが被覆された第二混合体を形成するバインダ被覆工程と、
(3)前記第二混合体に、(3−1)スピンドルオイル、(3−2)ダイマー酸、及び(3−3)天然ロジン、の3成分を含んだ添加材を混合することで前記添加材が被覆された第三混合体を形成する添加材被覆工程と、
(4)前記第三混合体に水和反応材を添加して混合する仕上工程と、を備えた
ことを特徴とする常温施工型アスファルト合材の製造方法。 - 前記(2)バインダ被覆工程では、前記バインダを前記第一混合体に噴射した後に混合する
ことを特徴とする請求項1に記載の常温施工型アスファルト合材の製造方法。 - 前記(3)添加材被覆工程では、前記添加材を前記第二混合体に噴射した後に混合する
ことを特徴とする請求項1または請求項2に記載の常温施工型アスファルト合材の製造方法。 - (a)骨材層と、(b)バインダ層と、(c)添加材層と、(d)表面被覆層とを備えた常温施工型アスファルト合材であって、
(a)骨材層は、(1−1)骨材、(1−2)繊維質材料、及び(1−3)消石灰またはセメント、の3成分を含有しており、
前記(b)バインダ層は、前記(a)骨材層の周囲に形成されており、
前記(b)バインダ層は、(2−1)ストレートアスファルト、(2−2)熱可塑性樹脂、(2−3)可塑剤および安定剤のいずれか、及び(2−4)プロセスオイル、の4成分を含有するものであり、
前記(c)添加材層は、(c−1)スピンドルオイル、(c−2)ダイマー酸、及び(c−3)天然ロジン、の3成分を含んだ添加材からなり、前記(b)バインダ層の周囲に形成されており、
前記(d)表面被覆層は、石膏または鉄鋼スラグから選ばれる水和反応材によって構成され、前記(c)添加材層の周囲に形成されている、
ことを特徴とする常温施工型アスファルト合材。
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JP6344873B1 (ja) * | 2017-04-25 | 2018-06-20 | 大林道路株式会社 | 高耐久常温アスファルト混合物 |
JP6650165B2 (ja) * | 2017-11-10 | 2020-02-19 | 墨東化成工業株式会社 | 舗装用混合物およびその製造方法 |
CN108384035A (zh) * | 2018-02-01 | 2018-08-10 | 武汉理工大学 | 一种核壳型钢渣基复合改性沥青颗粒及其制备方法 |
JP7031923B1 (ja) * | 2021-12-28 | 2022-03-08 | 大有建設株式会社 | 常温施工型アスファルト合材及びその製造方法 |
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SE441938B (sv) * | 1980-12-19 | 1985-11-18 | Rockwool Ab | Forfarande for framstellning av en tryckhallfast och hogstabil beleggningsmassa for starkt belastade ytor |
JPS63137959A (ja) * | 1986-11-28 | 1988-06-09 | Taisei Doro Kk | 常温瀝青質物舗装用合材の製造方法並びに装置 |
JPH0337148A (ja) * | 1989-07-03 | 1991-02-18 | Osaka Cement Co Ltd | セメント・アスファルト混合物の製造方法 |
JPH10147766A (ja) * | 1996-11-20 | 1998-06-02 | Daicel Chem Ind Ltd | 舗装用混合物 |
JPH1112016A (ja) * | 1997-06-24 | 1999-01-19 | Nichireki Co Ltd | 固化速度が速く混合性に優れた舗装用常温アスファルト混合物とその製造方法 |
JP2004019368A (ja) * | 2002-06-19 | 2004-01-22 | Minebea Co Ltd | 道路舗装材 |
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