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结合哈尔滨市某深基坑工程实例,从冻胀期与融化期两方面,监测了季冻区该深基坑桩锚支护体系的安全性,指出深基坑侧向水平位移在冻胀期与融化期均呈现复合式变形趋势,且变形趋势与大气温度变化趋势具有一致性和滞后性。
Combined with an example of a deep foundation pit project in Harbin City, the safety of pile-anchor supporting system of the deep foundation pit in the frozen zone was monitored from the aspects of frost heaving period and thawing period. It was pointed out that the lateral horizontal displacement of deep foundation pit was in the frost heave period And the melting period showed a composite deformation trend, and the trend of deformation and atmospheric temperature consistency and lag.