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首页> 外文会议>Rock mechanics for resources, energy and environment >Environmental characterization of the stress-corrosion cracking of rockbolts in underground coal mines using laboratory and in-situ testing
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Environmental characterization of the stress-corrosion cracking of rockbolts in underground coal mines using laboratory and in-situ testing

机译：利用实验室和现场测试对地下煤矿岩壁锚杆应力腐蚀开裂的环境特征

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摘要

This paper describes a program that has been developed for stress corrosion cracking testingrnof rockbolt steels both in-situ in underground mines and in a controlled laboratory environment. Two types ofrndouble bent beam specimen have been used, a pin loaded specimen stressed to just above the yield stress, andrna bar loaded specimen stressed almost to the ultimate tensile strength. Testing of the specimens in an acidifiedrn3.5% sodium chloride solution containing hydrogen sulfide has verified the efficacy of both designs.
机译：本文介绍了一种用于在地下矿山中以及在受控实验室环境中现场进行应力腐蚀开裂测试的程序。使用了两种类型的双弯曲梁试件，一种是受力到正好高于屈服应力的销钉试样，另一种是受力几乎达到极限抗拉强度的钢筋试样。在含有硫化氢的酸化的3.5％氯化钠溶液中对样品进行测试已验证了两种设计的有效性。

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  • 会议地点 Wroclaw(PL)
  • 作者

    E. Elias; D. Vandermaat; A. Crosky; S. Saydam; P. Hagan; B.K. Hebblewhite; P. Craig;

  • 作者单位

    The University of New SouthWales, New SouthWales, Australia;

    The University of New SouthWales, New SouthWales, Australia;

    The University of New SouthWales, New SouthWales, Australia;

    The University of New SouthWales, New SouthWales, Australia;

    The University of New SouthWales, New SouthWales, Australia;

    The University of New SouthWales, New SouthWales, Australia;

    Jennmar Australia Pty Ltd and The University of New SouthWales, New SouthWales, Australia;

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  • 正文语种 eng
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