研究了膨胀土路基发生胀缩沉降的基本力学条件；
The fundamental mechanical conditions of the swell-shrink and settlement are studied.
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.
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。
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.
结论膨胀土路基为半无限体空间体，采取有侧限的原位膨胀力试验是合理可行的。
It is therefore easy to conclude that the swelling soil ground is a semi-infinite space and it is feasible to adopt the lateral restriction test of in situ swelling soil.
根据膨胀土路堤瞬态渗流分析的结果，进行膨胀土路基与路面结构的协调变形分析。
According to the analysis of transient influent in expansive soil embankment, the compatible deformation between the expand soil embankment and the pavement upon it have been analyzed.
提出了采用粗糙神经网络对膨胀土路基水毁灾害进行评价和预测的方法，并运用粗糙集理论确定了该神经网络的结构。
The method was presented to forecast the water-destroyed disaster of expansive soil roadbed by rough neural network. The structure of the neural network was confirmed by the rough set theory.
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。
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.
在成都绕城路膨胀土路基改性试验研究的基础上，利用动三轴试验研究膨胀土及改性膨胀土在重复荷载作用下的永久变形及动力特性。
Experimental researches are comprised of inside experiments and field tests on improved expansive soil with lime(IESL) in test section of the new Hankou airfield.
正确评定膨胀土灰土路基的压实度、改善填土施工工艺是路基施工中的重要环节。
Correctly determining the compaction degree of swelling soil and lime soil road Banks and improving filling methods are important steps of road bank construction.
正确评定膨胀土灰土路基的压实度、改善填土施工工艺是路基施工中的重要环节。
Correctly determining the compaction degree of swelling soil and lime soil road Banks and improving filling methods are important steps of road bank construction.
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