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目前,研究抗冻性的方法主要是以质量衰减率作为参数指标,判定某种加固方案的抗冻稳定性。而在实际的工程中,我们更关心在大自然冻融循环条件下,路基土强度的稳定性。本文提出以冻融稳定次数、抗冻稳定系数作为评判加固土抗冻性能好坏的指标。结果表明:冻融稳定次数、抗冻稳定系数能较好的反应出各种加固土抗冻性能的好坏,具有说明性。
At present, the method of studying frost resistance is based on the mass decay rate as a parameter index to determine the antifreeze stability of a certain reinforcement scheme. In the actual project, we are more concerned about the stability of the strength of subgrade soil under the conditions of natural freeze-thaw cycles. In this paper, the number of freeze-thaw stability, antifreeze stability coefficient as a criterion to evaluate the performance of antifreeze soil. The results show that the number of freeze-thaw stabilization and antifreeze stability factor can well reflect the frost resistance performance of various kinds of reinforced soils, and is illustrative.