Application Research on Refuse Soil for Using in Roadbed Filling;
垃圾土用于路基填筑的应用研究
Roadbed filling technology of high speed railway at the speed of 200 km/h;
200km/h高速铁路路基填筑施工技术
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。
The construction supervision on surface cleaning, foundation treatment, mechanical and manual reclamation, mechanical rolling and manual ramming for roadbed are described in details in this paper.
对路基的清表、地基处理、机械和人工填筑、机械碾压和人工夯实等施工监理工作内容做了详细论述。
Based on the probe and research on large-area reclamation engineering quality, this paper summarizes a series of effective measures and construction experience for improving reclamation quality and cofferdam protection effect.
通过对大面积填筑工程质量问题的探索与研究,总结提出了一系列提高填筑质量及围堰保护的有效措施和施工经验。
Practical Application of Gangue in Dam-filling of Reservoir;
煤矸石在水库坝体填筑中的实际应用
The paper introduced the chemical composition,physical characteristics of flyash,and combined with the engineering practice,analyzed the control factors and construction technology of flyash fill subgrade.
介绍了粉煤灰的化学成分、物理性质,并结合工程实例对粉煤灰填筑路基控制因素及施工工艺进行了分析总结。
When road route passes low-lying or pond,it is often needed to dig or fill in silt.
当道路施工经过水塘及低洼地带时,常需要在淤泥中进行开挖及填筑,由于淤泥的流动性,使得在淤泥中施工难度非常大。
The Research on roadbed construction technology constructed with“three-high”soil;
“三高土”填筑路基施工工艺初探
To analyze its regulations during construction, settlement monitoring hybrid model is presented based on genetic creep idea.
模型针对施工期填筑的特点,考虑了填筑进程及材料蠕变特性对沉降的影响。
An analytical model for soil arching within piled embankments is developed,which can consider the coupled effect of the embankment filling and soil consolidation.
土拱效应分析是桩承式路堤设计时需要解决的首要问题,在总结分析已有现场测试资料及研究成果的基础上,建立能考虑路堤填筑过程与地基土固结相耦合的土拱效应计算模型。