According to practical construction situation, the paper proposes treatment and protective measures of expansive soil subgrade, which can promote the strength and stability of subgrade.
根据工程实际情况，对膨胀土进行调查分析试验，提出了膨胀土路基处理方法与防护措施，提高了路基的强度和稳定性。
The paper introduces the property of essentials for construction of expansive soil subgrade, choice of schemes for finely paving coverage of road bed and construction procedure.
介绍了膨胀土的特性、膨胀土路基施工要点、路床精铺层方案的选择及施工程序。
On this foundation, the determination method of treatment depth for subgrade paved with expansive soil is proposed based on the relationship of swelling pressure and unloaded expansibility.
在此基础上，建议按膨胀力与零膨胀率的相关性来确定膨胀土路基处置深度。
On this foundation, the determination method of treatment depth for subgrade paved with expansive soil is proposed based on the relationship of swelling pressure and unloaded expansibility.
在此基础上，建议按膨胀力与零膨胀率的相关性来确定膨胀土路基处置深度。
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