The engineering geological feature of the swelling soil and the cause of slip are exposed through detailed investigation and test study.
通过详细勘察及试验研究,查明了引起病害的特殊土——膨胀土的工程地质特征及其病害机理,提出治理措施并初见成效。
The swelling soil in Hefei zone was formed at the Q3 epipleistocene of the 4th subage or before. It belongs to the type of Huaihe alluviation and diluvion.
合肥地区膨胀土形成于第四纪上更新世Q_3及其以前,属江淮冲积、洪积成因类型。
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。
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.
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。
The methods of modified treatment for swelling soil foundation are summarized and discussed. These methods may be presently divided into physical, chemic and biologic method.
对膨胀土地基改性处理方法进行了总结和评述,目前膨胀土的改性方法可以分为物理改性法、化学改性法和生物改性法三种。
The results showed that the content of clay particles was significantly correlated with soil swelling rate.
结果表明:土壤粘粒含量与土壤膨胀率呈显著正相关;
These characteristics are caused by the inherent property and swelling potential grade of the expansive soil.
这些特征与膨胀土的固有膨胀特性以及膨胀潜势等级有关。
Studing on the changing rule of lime modification expansive soil, such as free swelling ratio, swelling strength, non-side limitation compressive strength.
研究了膨胀土加入石灰改性后,其无荷膨胀率、膨胀力、无侧限抗压强度等指标的变化规律。
The content of soil organic matter affected soil swelling rate remarkably when soil texture was not obviously different.
有机质含量在质地差别不明显情况下,对土壤膨胀率也有极显著的作用与影响;
A large scale model test was carried out to study the variation of lateral swelling pressure of expansive soil acting on retaining wall due to deep inundation.
通过大型模型试验,研究了深层浸水条件下膨胀土挡墙侧向膨胀压力的变化规律。
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。
A site including expansive soil layer with high swelling pressure is chosen to illustrate the influence of thickness and position of expansive soil layer on upheaval deformations.
对一个含高膨胀压力的膨胀土层的场地计算了地面上抬变形,以说明膨胀层位置及厚度对地面上抬变形的影响。
From the principles of modern soil mechanics, the structural and swelling characteristics of soft clayey rocks were analyzed systematically.
结合现代土力学原理,系统分析了风化泥质软岩的结构特征,膨胀特性;
The paper also has a discussion on the influence of the soil fabric of compacted clay on swelling characteristics.
文中还讨论了压实的膨胀粘土结构对膨胀性的影响。
The test results indicate: the beginning water content and dried density of expansive soil are the main outside factors that influence the magnitude of their expansibility and swelling quantity;
通过生石灰对膨胀土的改性作用,在相同初始含水率的条件下,比较改性前后膨胀力、膨胀率的变化趋势,寻求最佳掺灰率;
The testing results have shown that this soil has a unique micro structure property governing the swelling potential of the soil.
本文对南方膨胀土的微结构特性进行了实验研究,表明膨胀土具有其特殊的微结构特性,其决定着膨胀土的膨胀势。
The paper reports the support technique of inclined shaft crossing surface soil with swelling and watering, in this case the stability of whole support system is key factor for successful control.
论述了斜井掘进穿越具有膨胀性的含水表土层过程中所采用的技术方案,指出支护结构的整体稳定性是支护成功的关键。
The most permafrost from Shiquan river to Ritu is seasonal frozen soil. It is easy threatened by permafrost such as frost swelling, salivary ices, thaw settlement.
在狮泉河至日土段沿线冻土主要是季节性冻土,容易发生路面翻浆、涎流冰、路基融沉等冻土病害。
The most permafrost from Shiquan river to Ritu is seasonal frozen soil. It is easy threatened by permafrost such as frost swelling, salivary ices, thaw settlement.
在狮泉河至日土段沿线冻土主要是季节性冻土,容易发生路面翻浆、涎流冰、路基融沉等冻土病害。
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