-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7 密度变化率曲线

Fig. 7 Density change rate curve