@inproceedings{CTT100644907,
  author = {T. Pipatpongsa and S. Thay and Thanachote Techawongsakorn and N. Mungpayabal},
  title = {Basic consideration of using hollow plaster cylinders for indicating the axis of major principal stress in soft rock surface},
  booktitle = {Proceedings of the 5th Thailand-Japan International Academic Conference 2012 (5th TJIA 2012)},
  year = 2012,
}

@inproceedings{CTT100635453,
  author = {T. Matsushita and T. Pipatpongsa and N. Mungpayabal and P. Wattanachai},
  title = {Possible use of hollow plaster cylinders for indicating the axis of major principal stress in soft rock surface},
  booktitle = {Proceedings of the 47th Japan National Conference on Geotechnical Engineering},
  year = 2012,
}

@inproceedings{CTT100635446,
  author = {Rewadee Wangsa and J. Wongsiriworakul and N. Mungpayabal and T. Pipatpongsa and P. Wattanachai},
  title = {Residual shear strength of Mae Moh clay seam measured by multiple reversal direct shear box test under constant load},
  booktitle = {Proceedings of the 17th National Convention on Civil Engineering (NCCE17)},
  year = 2012,
}

@inproceedings{CTT100620373,
  author = {T. Pipatpongsa and S. Heng and S. Likitlersuang and N. Mungpayabal and H. Ohta},
  title = {Investigation of mechanical properties of clay seam in bedding shears of the Mae Moh open-pit mine of Thailand},
  booktitle = {Proceedings of the International Conference on Advances in Geotechnical Engineering (ICAGE 2011)},
  year = 2011,
}

@inproceedings{CTT100612989,
  author = {S. Heng and T. Pipatpongsa and N. Mungpayabal and H. Ohta},
  title = {Shear strength parameters of clay seam in the Mae Moh open-pit mine of Thailand},
  booktitle = {Proceedings of Geo-Kanto2010},
  year = 2010,
}

@inproceedings{CTT100608692,
  author = {S. Heng and T. Pipatpongsa and Noppadon Mungpayabal and H. Ohta},
  title = {Basic parameters of clay seam in a bedding shear zone of the Mae Moh open-pit mine of Thailand},
  booktitle = {Proceedings of the 12th International Summer Symposium},
  year = 2010,
}

@inproceedings{CTT100605258,
  author = {T. Pipatpongsa and S. Heng and Prajuab Doncommul and Noppadon Mungpayabal and PITIWAT WATTANACHAI},
  title = {Shear strength parameters of clay seam placed between underburden layers of rock masses in the Mae Moh open-pit mine},
  booktitle = {},
  year = 2010,
}