保加利亚中部Maritsa断层带Kostenets段隧道施工的结构地质复杂性

IF 0.2 Q4 GEOSCIENCES, MULTIDISCIPLINARY

Spisanie Na B Lgarskoto Geologichesko Druzhestov-Review of the Bulgarian Geological Society Pub Date : 2021-12-01 DOI:10.52215/rev.bgs.2021.82.3.91

Dian Strahilov, I. Dimitrov

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引用次数: 1

摘要

描述了变质岩中承载铁路隧道的不连续网络的构造地质特征。讨论了从断层群中发现的断层、节理、线理和应力。结果表明，部分脆性节理的形成与延性拉伸线理有关。隧道施工的岩土情况是复杂的，需要重新评估设计方案，以适应巨大的侧向力和防止管的剪切。

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Structural geological complications for tunnel construction in the Kostenets’s section of the Maritsa fault zone in Central Bulgaria

The structural geological features defining the discontinuity network in metamorphic rocks hosting railway tunnels are described. Discussion on the faults, joints, lineation and stresses found from fault population is presented. It is demonstrated that the formation of some brittle joints is related to the ductile stretching lineation. The geotechnical situation for the tunnel construction is complicated and requires reassessment of the design solutions in order to accommodate substantial lateral forces and prevent shear of the tubes.

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来源期刊

Spisanie Na B Lgarskoto Geologichesko Druzhestov-Review of the Bulgarian Geological Society GEOSCIENCES, MULTIDISCIPLINARY-

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50.00%

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