基于核磁共振T2谱图的裂隙砂岩疲劳损伤分析 |
毛思羽,曹平,李建雄,欧传景 |
Fatigue Damage Analysis of Fractured Sandstone Based on Nuclear Magnetic Resonance T2 Spectrum |
Siyu MAO,Ping CAO,Jianxiong LI,Chuanjing OU |
图8 各倾角裂隙砂岩大孔占比随疲劳上限应力比的拟合曲线 |
Fig.8 Fitting curve of the proportion of large pores with fatigue upper limit stress ratio in fractured sandstone with different inclination angles |