Application of a non-linear viscoelastic-plastic rheological model of soft coal on borehole stability

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• 作者：Chun Liu^a ; Fubao Zhou^b ; ^{zfbcumt@163.com} ; Jianhong Kang^b ; Tongqiang Xia^b ; ^c
• 关键词：Nonlinear rheological model ; Creep property ; Borehole stability
• 刊名：Journal of Natural Gas Science and Engineering
• 出版年：2016
• 出版时间：November 2016
• 年：2016
• 卷：36
• 期：part_PB
• 页码：1303-1311
• 全文大小：3152 K
• 卷排序：36

文摘

A non-linear viscoelastic-plastic rheological model based on the damage effect was proposed. The uniaxial creep tests on soft coal specimens were carried out to validate the proposed model. Borehole stability in soft coal seam was investigated based on the proposed model.