Establishing a three-dimensional failure criterion of Liuchunghsi Sandstone using hollow cylinder tests

Cheng Jie Liao, Jian-Hong Wu, Der-Her Lee, Guan Lin Luo, Yu Fang Huang

Research output: Contribution to journalArticle

Abstract

Understanding the in-situ stresses of geological CO 2 reservoir rock together with its failure criterion is significant to estimate its maximum allowable storage pressure. The in-situ stresses are very complicated since the three principal stresses are all different (σ 1≠σ 2≠sigma; 3). For this reason, establishing the three-dimensional failure criterion of geological CO 2 storing rock helps estimate its storage pressure. Therefore, hollow cylinder tests are proceeded on Liuchunghsi Sandstone, which is the reservoir rock of Nioushan Anticline in southwest Taiwan. The three-dimensional failure criterion is established based on deviatoric stress variation under different hydrostatic pressures and angle of deviations. Then, the maximum allowable storage pressure of Liuchunghsi Formation sandstone can be estimated using the established three-dimensional failure criterion.

Translated title of the contribution利用中空三軸試驗建立六重溪層砂岩之三維應力破壞準則
Original languageEnglish
Pages (from-to)121-133
Number of pages13
JournalJournal of the Chinese Institute of Civil and Hydraulic Engineering
Volume24
Issue number2
Publication statusPublished - 2012 Jun 1

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering

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