Columnar joint, microfissure and gently dipping structural surface are the three fundamental factors which lead to the small deformation modulus of basaltic mass.
白鹤滩柱状节理玄武岩中发育的柱状节理、微裂隙及缓倾角结构面是导致岩体变形模量较低的主要因素；
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With the application of the microfissure development theory, this paper also analyzes the whole procedure of the experiment of the SFRC in both way of macro-process and micro-mechanism.