-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10 -160 ℃超低温冻融循环后花岗岩断裂韧度曲线
Fig. 10 Fracture toughness curve of granite after ultra-low temperature freeze-thaw cycle at -160 ℃