冻融循环作用下改良灰土力学特性与孔隙特征试验研究

刘春龙, 刘奉银, 黄素娟, 付争, 王锐, 王松鹤

Experimental study on mechanical properties and pore characteristics of the modified lime mortars under freee-thaw cycles

Chunlong LIU, Fengyin LIU, Sujuan HUANG, Zheng FU, Rui WANG, Songhe WANG

表4 无侧限抗压强度与冻融循环次数关系的拟合公式

Table 4 Fitting formula of the relationship between unconfined compressive strength and freeze-thaw cycles

试样名称 P1=a1N2+b1N+c1 （kPa） 系数a1 系数b1 系数c1 确定系数R2 L13-MK0 0.643 -19.73 543.5 0.982 L13-MK3 0.953 -27.03 634.1 0.977 L13-MK7 1.269 -37.44 784.9 0.973 L13-MK10 1.987 -57.75 1 000.8 0.962