JP4774747B2 - 弾性舗装材 - Google Patents
弾性舗装材 Download PDFInfo
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- JP4774747B2 JP4774747B2 JP2005018486A JP2005018486A JP4774747B2 JP 4774747 B2 JP4774747 B2 JP 4774747B2 JP 2005018486 A JP2005018486 A JP 2005018486A JP 2005018486 A JP2005018486 A JP 2005018486A JP 4774747 B2 JP4774747 B2 JP 4774747B2
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- elastic
- pavement layer
- layer
- pavement
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Description
しかも、表面舗装層の下方には弾性骨材のみを樹脂バインダ−で結合して柔軟な弾性舗装層を配設して、弾性舗装材としての圧縮弾性率が1〜10MPaとなるようにしたので、弾性舗装材全体の柔軟性を弾性舗装層が確保して、車両走行時に発生する騒音の抑制効果を低減させることがない。
そして、この発明の弾性舗装材1では、弾性舗装層1bの配置により、圧縮弾性率が1〜10MPaとなるように調整されている。
圧縮弾性率=(歪み量5mmの場合の圧縮力−歪み量2mmの場合の圧縮力)/(試験片の断面積=7694mm2 )×(試験片の厚さ=30mm)/(試験片の厚さ変形量=3mm)
1a 表面舗装層
1b 弾性舗装層
2 硬質骨材
3 バインダ−
3a 樹脂バインダー
4 弾性骨材
Claims (7)
- 弾性骨材及び/又は硬質骨材をバインダ−で結合した複数の層からなる弾性舗装材において、
最上層を構成する表面舗装層が平均粒子径を1.2〜13mmとする硬質骨材のみを樹脂、アスファルト又はセメント系材料から選ばれたいずれか1種の材料からなるバインダ−で結合した層からなり、該表面舗装層の下方に少なくとも1層の弾性骨材のみを樹脂バインダ−で結合した弾性舗装層を配設し、全体の圧縮弾性率が1〜10MPaとなるようにした弾性舗装材。 - 前記表面舗装層の圧縮弾性率が該表面舗装層の下方に配設した弾性舗装層の圧縮弾性率より大きい請求項1に記載の弾性舗装材。
- 前記表面舗装層の圧縮弾性率が5〜40000MPaであり、前記表面舗装層の下方に配設した弾性舗装層の圧縮弾性率が0.5〜5MPaである請求項1又は2に記載の弾性舗装材。
- 前記表面舗装層の厚さが5〜30mmで、該表面舗装層の下方に配設した弾性舗装層の厚さが前記表面舗装層の厚さより5mm以上大きい請求項1、2又は3に記載の弾性舗装材。
- 前記表面舗装層の下方に配設した弾性舗装層における弾性骨材が粒状体からなり、該粒状体の平均粒子径が0.3〜13mmである請求項1〜4のいずれかに記載の弾性舗装材。
- 前記表面舗装層の下方に配設した弾性舗装層における弾性骨材がひじき状体からなり、該ひじき状体の平均直径が0.5〜10mmで、平均アスペクト比が3〜40である請求項1〜4のいずれかに記載の弾性舗装材。
- 前記表面舗装層の下方に配設した弾性舗装層が弾性骨材及び硬質骨材を樹脂バインダ−で結合した層を含む請求項1〜6のいずれかに記載の弾性舗装材。
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JP2005018486A JP4774747B2 (ja) | 2005-01-26 | 2005-01-26 | 弾性舗装材 |
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JP2005018486A JP4774747B2 (ja) | 2005-01-26 | 2005-01-26 | 弾性舗装材 |
Publications (2)
Publication Number | Publication Date |
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JP2006207186A JP2006207186A (ja) | 2006-08-10 |
JP4774747B2 true JP4774747B2 (ja) | 2011-09-14 |
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JP2005018486A Expired - Fee Related JP4774747B2 (ja) | 2005-01-26 | 2005-01-26 | 弾性舗装材 |
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JP (1) | JP4774747B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0910956D0 (en) * | 2009-06-25 | 2009-08-05 | Brilliant Idea Ltd | Water management system |
JP5540639B2 (ja) * | 2009-10-06 | 2014-07-02 | 横浜ゴム株式会社 | 弾性舗装材 |
CN113338107B (zh) * | 2021-06-28 | 2022-02-25 | 交通运输部公路科学研究所 | 一种增强型复合功能路面结构及其铺设方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2869458B2 (ja) * | 1991-03-29 | 1999-03-10 | 財団法人土木研究センター | 弾性舗装 |
JP2896542B2 (ja) * | 1991-12-27 | 1999-05-31 | 住友ゴム工業株式会社 | 舗装用弾性ブロック |
JP2002021010A (ja) * | 2000-05-02 | 2002-01-23 | Sumitomo Rubber Ind Ltd | 弾性舗装材および弾性舗装体 |
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2005
- 2005-01-26 JP JP2005018486A patent/JP4774747B2/ja not_active Expired - Fee Related
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