补水压力对土体冻胀的影响

郝小云, 冯文杰, 马巍, 温智, 张莲海, 王永瑞, 申明德, 黄永庭

Experimental study on the effect of boundary hydraulic pressure on frost heaving of soil

Xiaoyun HAO, Wenjie FENG, Wei MA, Zhi WEN, Lianhai ZHANG, Yongrui WANG, Mingde SHEN, Yongting HUANG

表3 正交试验的结果

Table 3 The results of orthogonal experiment

试样 冷端温度/℃ 土质 水压/kPa 冻胀量/mm 冻结深度/mm 冻胀率/% S1 -2.2 砂类土 5 1.77 63.64 2.86 S2 -2.2 粉质土 10 8.22 61.26 15.50 S3 -2.2 黏质土 20 2.67 62.57 4.46 S4 -4.4 砂类土 10 5.30 84.81 6.67 S5 -4.4 粉质土 20 12.60 90.25 16.23 S6 -4.4 黏质土 5 2.68 71.54 3.89 S7 -6.6 砂类土 20 11.14 106.55 11.68 S8 -6.6 粉质土 5 12.04 108.00 12.55 S9 -6.6 黏质土 10 5.81 95.09 6.51