单轴压缩下不同尺寸充填体能量损伤演化特征试验研究
赵奎,刘周超,曾鹏,龚囱

Experimental Study on Energy Damage Evolution Characteristics of Filling Specimens with Different Sizes Under Uniaxial Compression
Kui ZHAO,Zhouchao LIU,Peng ZENG,Cong GONG
表1 不同尺寸充填体峰值应力对应的应变能
Table 1 Strain energy corresponding to peak stress of backfills with different sizes

试样尺寸

/mm

峰值点总能量

/(kJ·m-3

峰值点弹性能

/(kJ·m-3

峰值点耗散能

/(kJ·m-3

40A11046048
A21106541
A31016146
平均值1056245
70.7B1753736
B2744237
B3794432
平均值764135
100C1373711
C2452413
C341299
平均值413011
150D1422510
D2372712
D3352614
平均值382612