[1]JIN Jialin,DENG Qinghai,ZHANG Jibiao,et al.Discussion on Influencing Factors of the Development Law of Strike-slip-fault Derived Fractures[J].Journal of Seismological Research,2022,45(03):452-459.[doi:10.20015/j.cnki.ISSN1000-0666.2022.0045
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Discussion on Influencing Factors of the Development Law of Strike-slip-fault Derived Fractures
Journal of Seismological Research[ISSN 1000-0666/CN 53-1062/P] Volume:
45
Number of periods:
2022 03
Page number:
452-459
Column:
生命线工程系统抗震防灾专栏
Public date:
2022-06-20
- Title:
- Discussion on Influencing Factors of the Development Law of Strike-slip-fault Derived Fractures
- CLC:
- P631.4
- DOI:
- 10.20015/j.cnki.ISSN1000-0666.2022.0045
- Abstract:
- Fractures derived from strike-slip faults in carbonate formations are an important storage space.However,due to the limitation of data and the unclear understanding of its control mechanism,the scope and scale of fracture's development are still unclear.In order to explore the scale of the fracture system controlled by the strike-slip faults,by numerical simulation we conduct a quantitative prediction of the range of the fractures derived from strike-slip faults by constructing fault models with different fracture elements such as widths,properties and combinations,to find out the regularity of how different fracture elements influence the fracture's development.The results show that when the width of strike-slip faults increases gradually,the maximum value,the average value,and the minimum value of the degree of the derived fractures do not change obviously.Under the same conditions,the width of the derived fractures of the compression-torsion fault is significantly higher than that of the pure strike-slip fault and the thrust faults; When spacing between the parallel fault is less than a certain distance,the derived fractures of the two faults would superimpose.Under the control of the two faults,the degree of the fracture development of the derived fractures between the faults become significantly larger.At the intersection of the conjugate faults,the range of the derived fractures has become significantly larger.
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Last Update:
2022-07-01