ケーブルボルトによる地下空洞岩盤の先行補強の施工法および現場における作用効果の評価法の検討 Installation and Evaluation Methods of Cablebolting for Pre-Reinforcements in Underground Rock Mass

この論文にアクセスする

この論文をさがす

著者

抄録

In order to develop a better practice for enhancing the cost performance and reducing the risk of construction of underground openings, the authors focus on the cablebolting. A field experiment was conducted during constructing an underground powerhouse to establish a construction practice of cablebolting, involving measuring an effectiveness of preset cablebolts for the rock stability.<BR>The conventional construction procedures and equipments for dowels are found to be applicable to cablebolting. The pre-mixed cement, which is commonly applied for conventional dowels, are also applicable to a grout material for cablebolting by adjusting the water-cement ratio of 40 to 45%, which can be controlled by the flow value of around 180.<BR>Through the back analysis considering the non-uniformity of rock elasticity around the underground powerhouse, it is found that the preset cablebolts alleviate the stress relax in the surrounding rock of the underground powerhouse due to its excavation. Such back analysis is useful during the excavation of an underground powerhouse to measure the effectiveness of preset cablebolts and to manage adequate arrangement of post-set supports such as dowels and pre-stressed anchors.

収録刊行物

  • Journal of MMIJ : journal of the Mining and Materials Processing Institute of Japan  

    Journal of MMIJ : journal of the Mining and Materials Processing Institute of Japan 124(2), 112-119, 2008-02-25 

    The Mining and Materials Processing Institute of Japan

参考文献:  21件

参考文献を見るにはログインが必要です。ユーザIDをお持ちでない方は新規登録してください。

被引用文献:  1件

被引用文献を見るにはログインが必要です。ユーザIDをお持ちでない方は新規登録してください。

各種コード

  • NII論文ID(NAID)
    10021121204
  • NII書誌ID(NCID)
    AA12188381
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    18816118
  • NDL 記事登録ID
    9398322
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-315
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
ページトップへ