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- Most part of the North Trunk Line of WanjiaZhai Yellow River Delivery Project has to pass through the zone of collapsible loess, so the collapsibility of the loess foundation becomes the main engineering geological problem therein. 摘要山西省万家寨引黄工程北干线输水管线大部分地段通过黄土地区,黄土地基的湿陷性已成为主要的工程地质问题。
- The collapsibility of collapsible loess site and the assessment of its variety were closely related to the inundation pressure measured in the side-limited inundation compression test. 摘要湿陷性黄土场地的湿陷性质、类型评定与侧限浸水压缩试验的测试压力关系密切。
- Three squeezed branch piles are tested in collapsible loess foundation after prewatering processing. 本文对湿陷性黄土中的三根支盘桩进行预浸水静载荷试验。
- The principle and index that roadbase cave in collapsing loess areas treated by grouting are studied. 摘要研究了注浆法在黄土地区公路路基洞穴处理中的加固机理及技术指标。
- Use above-mentioned theory, analyze the project example of collapsible loess subsoil and validate it. 运用上述理论,通过对湿陷性黄土地基工程实例计算分析,验证了其可行性。
- In the process of research the collapsible loess, it get many differently methods. 在对湿陷性黄土的研究过程中,产生了许多不同的处理方法。
- At present, Settlement control measures and treatment of collapsible loess ground for passenger line is a world problem, no answer from experience. 目前对铁路客运专线湿陷性黄土地基的处理技术是一个世界性的难题,无经验可循。
- As showing of the application of dynamic compaction,it has good effect of dynamic compaction for the compaction of collapsed loess in loess area. 强夯技术在刘白高速公路的设计及施工中的应用表明,在黄土地区,强夯对湿陷性黄土的压实具有良好的效果。
- At present,Settlement control measures and treatment of collapsible loess ground for passenger line is a world problem,no answer from experience. 目前对铁路客运专线湿陷性黄土地基的处理技术是一个世界性的难题,无经验可循。
- Research purposes:To determine the improvment techniques of collapsible loess fill materials and the process of reclamation and compaction. 研究目的:确定郑西客运专线湿陷性黄土填料的改良技术和填筑压实工艺。
- Airport is那拉提collapsible loess, the airport since the beginning of new problems on this, because the foundation had spent a high price. 那拉提机场属湿陷性黄土,机场自新建伊始就受此问题困扰,曾因为地基处理花费了高昂的代价。
- It is concluded that the impact compaction technology is effective and practical for treatment of collapsible loess subgrade. 因此,冲击压实技术在处治湿陷性黄土地基中是有效的和实用的,而且生产效率高,有很好的发展和应用前景。
- The hydraulic protection is important technical measures for gas transmission pipeline engineering in loess zone especially collapsible loess zone. 水工保护是黄土地区特别是湿陷性黄土地区输气管道工程的重要技术措施。
- Collapsible loess areas are about 60% of loess in our country, it"s main character is compressibility and collapsibility, it will be compressed and collapsed to settlement when meet water. 在我国,湿陷性黄土分布面积约占我国黄土分布总面积的60%25左右,其主要特性是具有不同程度的可压缩性和湿陷性,遇水产生压缩和湿陷下沉。
- So applying this combination theory calculation model of two criterions, is an effective method to improve calculation precision of surface damage abut thick collapsible loess. 因此,前一种组合准则理论模型的应用,是提高厚湿陷性黄土厦盖地表损害计算精度的有效方法之一。
- The field loading test of single pile and three piles composite ground are studied combining the construction of lime-soil compacted pile in collapsible loess foundation. 结合灰土挤密桩处理湿陷性黄土地基工程实际进行了单桩、三桩复合地基静载荷现场试验。
- For special emphasis, the water-bearing state of collapsible loess must be considered when dealing with the effects of earthquake action to engineering. 特别强调地震作用对工程影响必须考虑湿陷性黄土的含水状态。
- Based on the present research results, a method to establish the constitutive law for collapsible deformation is proposed by studding the collapsible loess in Lanzhou. 本文在对兰州地区湿陷性黄土的湿陷变形的研究,在已有研究成果的基础上,建议了一种建立黄土湿陷变形本构关系的方法。
- Foundation treatment method,treatment thickness and residual collapse settlement of collapse loess with large thickness are hot issues in engineering design in loess areas. 大厚度自重湿陷性黄土的地基处理方法、处理深度以及合理控制剩余湿陷量等是黄土地区工程设计中的难点、热点问题。
- The paper has actual meaning and promotion value, which supply theory and technology guide for building tilt correction by injecting water in collapsible loess. 本文所做的研究工作具有很强的现实意义和推广价值,为湿陷性黄土地区建筑物浸水纠偏提供了理论和技术指导。