-160 ℃超低温冻融循环后花岗岩三点弯曲试验研究
吕敦波, 张帆, 张益峰, 杨科, 吕飞, 胡大伟

Experimental study on three-point bending of granite after cryogenic freeze-thaw cycles at -160 ℃
Dunbo LÜ, Fan ZHANG, Yifeng ZHANG, Ke YANG, Fei LÜ, Dawei HU
图5 -160 °C超低温冻结后花岗岩试样外观形貌图
Fig. 5 Appearance of granite specimens after ultra-low temperature freezing at -160 °C