CALCULATION METHOD OF SUBGRADE ELASTIC MODULUS FOR ASPHALT PAVEMENT USING RESILIENT MODULUS

• 竹内 康

  東京農業大学 地域環境科学部生産環境工学科

• 木幡 行宏

  室蘭工業大学大学院 工学研究科くらし環境系領域

• 関根 悦夫

  北武コンサルタント株式会社 東京事務所

Bibliographic Information

Other Title

• 室内実験結果を用いたアスファルト舗装の路床の弾性係数算出法の検討

Abstract

 Elastic modulus of subgrade is an important input parameter in the multilayered elastic structural analysis of asphalt pavement, and the resilient modulus measurement of subgrade materials which assumed action of the vehicle load has been examined energetically after 1990's by laboratory testing. However, no design example using the resilient modulus is shown in the Japanese pavement design book because of the resilient modulus is a non-linear elastic modulus depending on a stress state, and structural analysis becomes complicated. In this study, by using the rearranged past data, arranging method of the resilient modulus was examined and furthermore a simple calculation method of the subgrade resilient modulus for the multilayered elasticity structural analysis was proposed.

Journal

• Journal of Japan Society of Civil Engineers, Ser. E1 (Pavement Engineering)

  Journal of Japan Society of Civil Engineers, Ser. E1 (Pavement Engineering) 68 (2), 45-53, 2012

  Japan Society of Civil Engineers

Keywords

• asphalt pavement
• subgrade
• resilient modulus
• generalized model

Details

• CRID: 1390282680332134784
• NII Article ID: 130004559899
• DOI: 10.2208/jscejpe.68.45
• ISSN: 21856559
• Text Lang: ja
• Data Source:
  • JaLC
  • Crossref
  • CiNii Articles
  • KAKEN
• Abstract License Flag: Disallowed