Loess has the characteristics of structural properties, such as incomplete consolidation, collapsibility; And the multi-arch tunnel of highway has complex excavation steps and structure stress. 由于黄土具有结构性、欠压密性和土结构性受损易发生湿陷等特性,再加上会路连拱隧道施工开挖工序多,结构受力复杂。
Some Problems about Treating Dam Foundation of Collapsibility Loess by Strong Tamping 强夯法处理湿陷黄土坝基中的一些问题
The collapsibility of loess foundation is the main project geology problem of water conveyance line in the north trunk of Yellow River Diversion Project. 黄土地基的湿陷性是引黄北干输水线路的主要工程地质问题。
Application of Impact Compaction in Treatment of Collapsibility Loess Foundation 冲击压实在公路湿陷性黄土地基处理中的应用
Study on the Filling Loess 'Compression-Creep Behavior and the Collapsibility Test 充填黄土压缩蠕变特性与湿陷性试验研究
Research on the Loess Collapsibility Project Geology of Water Conveyance Line in the North Trunk of Yellow River Diversion Project 引黄北干输水线路黄土湿陷性工程地质研究
The main form of ditch exit destroy is scour pit and collapsible pit by the knowledge of engineering mechanics and fluid mechanics, and the reasons is the collapsibility and wash-out of loess. 结合工程力学和流体力学知识,分析了黄土地区公路排水沟渠出口破坏的形式以冲刷坑、湿陷坑为主;
Study on the Collapsibility and Formation of Loess in Eastern of Central Shaanxi Plain-South of Weihe River 陕西关中东部渭河以南黄土的湿陷性与成因研究
Experimental study on the collapsibility of loess under different initial saturations 不同起始饱和度条件下黄土湿陷性的试验研究
Evaluation of loess collapsibility based on the application of fuzzy information optimization technique 基于模糊信息优化技术的黄土湿陷性评价
Treatment Technology and Settlement Prediction on the Collapsibility Loess Foundation of Ningxia Highway 宁夏公路湿陷性黄土地基处治及沉降预测研究
Finally, the relation between collapsibility coefficient and initial moisture content is discussed. 最后对湿陷系数与初始含水量的关系进行了探讨。
This paper analyzes the collapsibility of loess roadbed in Taijiu Expressway, and probes into the variation regularities of vertical and horizontal coefficient of collapsibility. 对太旧高速公路黄土路基的湿陷性进行了分析,探讨了湿陷系数的纵向和横向变化规律。
The results show that the plate-like saline soil is collapsible soil, and the coefficient of collapsibility increases with the increase of the salinity. 试验结果表明:板块状盐渍土属溶陷性土,随着含盐量的增大,溶陷系数增大;
Discussion on the mechanism of loess collapsibility from the perspective of unsaturated soil mechanics theory 从非饱和土力学角度探讨黄土湿陷机制
On the basis of the results obtained, the geotechnical properties of loess, especially its collapsibility are analyzed. 在这些试验所获结果基础上,分析了黄土的岩土力学性质,尤其是黄土的湿陷性。
Study on the prediction of loess collapsibility based on feature selection 基于特征选择的黄土湿陷性预测研究
Improving the collapsibility of sodium silicate sand is a important problem for developing sodium silicate sand. 改善水玻璃砂的溃散性是推广水玻璃砂的一个重要问题。
Study of the Treating Technology of Collapsibility Loess Subgrade in Qinghai Highway 青海高速公路湿陷性黄土地基处理技术研究
The collapsibility farmland is easy to change, which make the make building appear substantial settlement, fracture and tilt. 湿陷性黄土地基易变形,会使建筑物大幅度沉降、折裂及倾斜。
Study on Collapsibility Evaluation Method of Loess in Roadbed 公路路基黄土的湿陷性评价方法研究
Subgrade loess collapsibility before and after low level tamping THE RESEARCH OF VIBRATION FOR DYNAMIC COMPACTION CONSTRUCTION 低能级强夯前后路基黄土湿陷性研究不同能级强夯施工下地表振动衰减规律的探讨
And then, comprehensively analysis the collapsibility of the loess-like soil in Harbin area. 然后对哈尔滨地区类黄土的湿陷特性和压缩特性进行综合分析。
Collapsibility test on the intact and reshaped loess sample has been operated under diverse moisture content. 在不同含水量下对原状黄土和重塑黄土进行了湿陷性试验,得到了原状黄土、重塑黄土随含水量的变化曲线分别为下凹型和上凸型;
Finally, this paper gives some advice on the treatment method according to the different collapsibility loess foundation. 最后,提出了适合不同湿陷性黄土地基处理的建议方案。
The collapsibility analysis and mathematical models were established on the basis of the collapsibility mechanism of loess. 根据黄土的湿陷机理,建立了湿陷性分析模型及数学模型。
Gas hardened property, surface stabilization and collapsibility of sodium silicate bonded sand. 应用这种溃散剂可以改善水玻璃砂的气硬性、表面稳定性和溃散性。
Assessment from experiment and analysis of subsoil collapsibility was made. 通过试验与分析,最后对该类地基土湿陷性作出了评价。
The collapsibility of loess can be evaluated objectively using the proposed method. 该方法可以比较客观地分析和评价黄土地区地基湿陷性。
As a kind of problem soil, one of the most important engineering properties of loess is collapsibility. 黄土作为一种特殊土,湿陷性是其最主要的工程性质之一。