Optimization of the fully grouted rock bolts for load transfer enhancement

被引：17
|
作者：
Mostafa, Ghadimi [1 ]
Korosh, Shahriar [2 ]
Hossein, Jalalifar [3 ]
机构：
[1] Islamic Azad Univ, Dept Min Engn, Tehran Sci & Res Branch, Tehran 1477893855, Iran
[2] Amirkabir Univ Technol, Fac Min Met & Petr Engn, Tehran 158754413, Iran
[3] Shahid Bahonar Univ Kerman, Environm & Energy Res Ctr, Dept Petr & Min Engn, Kerman 7616914111, Iran
来源：
INTERNATIONAL JOURNAL OF MINING SCIENCE AND TECHNOLOGY | 2015年 / 25卷 / 05期
关键词：
Fully grouted rock bolts; Numerical modeling; Load transfer; Bolt profile;
D O I：
10.1016/j.ijmst.2015.07.002
中图分类号：
TD [矿业工程];
学科分类号：
0819 ;
摘要：
The purpose of this study is to investigate the role of bolt profile configuration in load transfer capacity between the bolt and grout. Therefore, five types of rock bolts are used with different profiles. The rock bolts are modeled by ANSYS software. Models show that profile rock bolt T3 and T4 with load capacity 180 and 195 kN in the jointed rocks, are the optimum profiles. Finally, the performances of the selected profiles are examined in Tabas Coal Mine by FLAC software. There is good subscription between the results of numerical modeling and instrumentation reading such as tells tale, sonic extensometer and strain gauge rock bolt. According to the finding of this study, the proposed pattern of rock bolts, on 7 + 6 patterns per meter with 2 flexi bolt (4 m) for support gate road. (C) 2015 Published by Elsevier B.V. on behalf of China University of Mining & Technology.
引用
收藏
页码：707 / 712
页数：6
相关论文
共 50 条
  • [1] Optimization of the fully grouted rock bolts for load transfer enhancement
    Ghadimi Mostafa
    Shahriar Korosh
    Jalalifar Hossein
    InternationalJournalofMiningScienceandTechnology, 2015, 25 (05) : 707 - 712
  • [2] Load capacity of fully grouted rock bolts in shale
    Alber, M.
    Ruehl, S.
    EUROCK 2005: IMPACT OF HUMAN ACTIVITY ON THE GEOLOGICAL ENVIRONMENT, 2005, : 1 - 6
  • [3] A study of the load transfer behavior of fully grouted rock bolts with analytical modelling
    Jianhang Chen
    Fulian He
    Shoubao Zhang
    International Journal of Mining Science and Technology, 2020, 30 (01) : 105 - 109
  • [4] A study of the load transfer behavior of fully grouted rock bolts with analytical modelling
    Chen, Jianhang
    He, Fulian
    Zhang, Shoubao
    INTERNATIONAL JOURNAL OF MINING SCIENCE AND TECHNOLOGY, 2020, 30 (01) : 105 - 109
  • [5] An analytical model of fully grouted rock bolts subjected to tensile load
    Ma, Shuqi
    Nemcik, Jan
    Aziz, Naj
    CONSTRUCTION AND BUILDING MATERIALS, 2013, 49 : 519 - 526
  • [6] The load transfer mechanics of fully grouted cable bolts: A theoretical analysis
    Chen, J.
    Saydam, S.
    Hagan, P.
    ROCK ENGINEERING AND ROCK MECHANICS: STRUCTURES IN AND ON ROCK MASSES, 2014, : 1045 - 1050
  • [7] An analytical model of the load transfer behavior of fully grouted cable bolts
    Chen, Jianhang
    Saydam, Serkan
    Hagan, Paul C.
    CONSTRUCTION AND BUILDING MATERIALS, 2015, 101 : 1006 - 1015
  • [8] Fully Grouted Rock Bolts: An Analytical Investigation
    L. He
    X. M. An
    Z. Y. Zhao
    Rock Mechanics and Rock Engineering, 2015, 48 : 1181 - 1196
  • [9] New approach to study load transfer mechanisms of fully grouted bolts
    Aziz, NI
    Dey, A
    Indraratna, B
    PROCEEDINGS OF THE SEVENTEENTH INTERNATIONAL MINING CONGRESS AND EXHIBITION OF TURKEY, 2001, : 143 - 153
  • [10] Fully Grouted Rock Bolts: An Analytical Investigation
    He, L.
    An, X. M.
    Zhao, Z. Y.
    ROCK MECHANICS AND ROCK ENGINEERING, 2015, 48 (03) : 1181 - 1196
12345