VERIFICATION OF STRESS RELEASE RATE OF 2D NUMERICAL ANALYSIS AGAINST FULL FACE METHOD USING IMMEDIATELY RING CLOSURE
-
- MAEGAWA Kazuhiko
- 中日本高速道路株式会社 八王子工事事務所
-
- YAGI Hiroshi
- 中日本高速道路株式会社 技術・建設本部
-
- ITO Tetsuo
- 西日本高速道路エンジニアリング関西株式会社
-
- KUNIMURA Shogo
- 応用地質株式会社 メンテナンス事業部
-
- OKUI Yuzo
- 応用地質株式会社 メンテナンス事業部
-
- KUWASHIMA Hiroshi
- 応用地質株式会社 メンテナンス事業部
-
- JIANG Yujing
- 国立大学法人長崎大学大学院 工学研究科
Bibliographic Information
- Other Title
-
- 全断面早期閉合の二次元数値解析における応力解放率の検証
Abstract
<p> When designing with two-dimensional numerical analysis, the concept of stress release rate is used in order to simulate three-dimensional deformation behaviour. Generally, the stress release rate in the 2D numerical simulations is set to 40% before the support is installed and the remaining stress is released after the support is installed. However, there is no particular thing about the early closure of all sections, which has been increasingly used in recent years. Therefore, the authors derived the optimum stress release rate for the early closing of all sections by trial calculation, which is a three-stage stress release, leading displacement rate α = 40%, after installation of upper half support support β = 20%. It was also found that the semi-support + invert support = 40% could reproduce the 3D deformational behaviour more appropriately.</p>
Journal
-
- Journal of Japan Society of Civil Engineers, Ser. F1 (Tunnel Engineering)
-
Journal of Japan Society of Civil Engineers, Ser. F1 (Tunnel Engineering) 78 (1), 26-39, 2022
Japan Society of Civil Engineers
- Tweet
Keywords
Details 詳細情報について
-
- CRID
- 1390573593434228096
-
- ISSN
- 21856575
-
- Text Lang
- ja
-
- Data Source
-
- JaLC
- Crossref
-
- Abstract License Flag
- Disallowed