灰土垫层

湿陷性黄土地基上灰土垫层质量评价方法探讨

Discussion on Quality Assessment of Lime-soil Cushion for Collapsible Loess

灰土垫层是处理湿陷性黄土的一种常用方法。

Lime-soil cushion is a common method to deal with collapsible loess .

灰土垫层与灰土桩联合处理不均匀地基

Non - Homogeneous Soil Treatment With Combined Soil - Lime and Lime Piles

灰土垫层处理湿陷性黄土的实践

Applying lime-soil mat to treat collapsible loess

目前，加筋垫层的工程实践超前于其理论研究，桩顶加筋灰土垫层设计方法受到普遍关注。

Up till now , the theories of reinforced cushion cannot meet the needs of practice , the designing method of reinforced lime-soil cushion attracts most researchers'attention .

石灰是一种廉价的建筑材料，用灰土垫层、灰土挤密桩处理湿陷性黄土地基可以取得良好的技术经济效果。

Lime is a kind of low-priced construction material , using lime-loess cushion and lime-loess compaction pile to treat collapsible loess foundations can gain good technology economy effect .

大量工程实践资料表明，现行规范对灰土垫层给定承载力设计值明显偏低。

As indicated by data of engineering practices , the design values of bearing capacity stipulated for lime soil cushion by the current specifications are obviously on the low side .

浅基础在竖向结构荷载作用下的沉降以及浅基础在地震作用和竖向结构荷载共同作用下沉降的变化，灰土垫层在地震荷载作用下的变形，目前关于这方面的研究还不很多见。

Shallow foundation under vertical structural load and level seismic load 、 settlement of shallow foundation in and vertical structure load under the function of the settlement , the settlement of plaster pad under seismic load 、 these problems have not been researched .

结合工程实践，通过对南阳膨胀土特性研究，尤其是对2∶8灰土垫层和原状膨胀土做了对比试验，并探讨了膨胀土掺石灰对土的工程特性的影响机制。

Combining with practice of engineering construction , a study on the mechanism of project character effect of expansive soil mixed with lime , on engineering of of Nanyang expansive soil was performed , especially , a comparative test of lime soil 2:8 pad and original expansive soil was conducted .

本文分析了湿陷性黄土地区蓄水池构筑物的特点，强调了可能湿陷势的设计思想，深入探讨了以土（灰土）垫层与其他防渗措施相配合的地基防渗处理方案。

The property of cistern building in collapsible loess district is analysed .

重点介绍了灰土及砂垫层处理法。

It stresses to introduce the lime-soil and sand cushion methods of ground treatment .

介绍了粉煤灰在建筑工程地基处理中的应用工程实例，通过对不同配合比的二灰土试样的物理、力学性能分析，确定二灰土垫层的最佳配合比。

The optimum mixture ratio of lime-flyash-soil cushion is determined through the analysis of physical and mechanical properties of lime-flyash-soil samples with different mixture ratios .