我国西部地区沙漠分布广泛,富产风积砂。
In West China, there is a great abundance of eolian sand in vest expanses of desert.
风积土在我国分布范围较广,具有显著的结构性。
The aeolian soil is broad in our country distribution range which has the remarkable structural characteristic.
该试验结果将对风积砂的工程应用提供了一定的理论依据。
Results of these tests furnish a scientific basis for the use of eolian sand in engineering projects.
风积沙的压实度达90%以上时,浸水所造成的密度改变很小。
The density changes very little after soaking when the compactness of aeolian sand is above 90%.
本文通过击实试验,确定了风积沙的最佳含水量和最大干密度。
In the paper, through the compaction test, the optimum moisture content and maximal dry density of aeolian sand are determined.
主要内容包括采用分级堆填过程模拟风积黄土层的初始应力场;
The initial geological stress of loess was simulated by grading fill;
这对于利用风积沙进行筑路的试验、设计及施工有一定的指导意义。
It has guidance for the trial, design and construction of eolian - sand road.
这对于利用风积沙进行筑路的试验、设计及施工有一定的指导意义。
It has guidance for the trial, design and construction of eolian-sand road.
试验结果表明,水泥稳定风积砂碎石做基层在公路上的应用是可行的。
The results indicate that using cement stabilized aeolian sand and macadam as base course for road is feasible.
最后还总结了针对稳定风积沙基层的路面防裂措施的设计方法和施工工艺。
Finally, the thesis summarizes the design methodology and construction technique in preventing from pavement cracking caused by the stabilized-sand base.
沙丘表面风速分布的差异性是导致沙丘不同部位发生风蚀与风积的主要原因。
Dune surface wind velocity distribution differences can lead to wind erosion and aeolian sand in different part of the dune.
干燥的风积沙对扰动很敏感,现行有关规程中的密度测定方法对其均不太适合。
Because the dry wind-blown sand is sensitive to disturbance, the methods for measuring density in current regulations are not appropriate to it.
文章基于210国道沙区筑路的实践,介绍了风积沙的特征和湿压实法施工工艺。
Based on the practice of building the road in the sand area of national road 210, this paper introduced the feature of aeolian accumulation sand and the construction craft of waterish impaction style.
风积沙是一种特殊的筑路材料,其压实特性是影响沙漠公路施工质量的重要因素。
Unlike the other road materials, aeolian sand had some compaction characteristics that were key factors of influence on construction qualities of highway in the desert.
风积砂隧道的施工难点是开挖难,如何保证开挖工作的顺利进行就成为开挖工作的重点。
The difficult excavation is a difficult point in construction of wind-blown sand tunnel, thus, to ensure smooth going of excavation is a stress of excavation work.
论文分析了石灰、锰铁废渣、风积砂土、水泥的性质,以及阐述了路面基层对材料的要求。
The article analyses nature of lime, manganese iron, Aeolian soil, cement, and material requirement of roadbed.
灌丛沙堆是一种重要的风积地貌类型,风力、沙源、植物是影响灌丛沙堆发育的主要因素。
Nabkha dune is a kind of typical aeolian landform. The wind power, sand source and plant are the mainly influencing factors of the development of nabkha.
论文分析了石灰、锰铁废渣、风积砂土、水泥的性质,以及阐述了路面基层对材料的要求。
The article analyses nature of lime, manganese iron, Aeolian sandy soil, cement, and material requirement of roadbed.
在风积砂地层修建隧道,由于开挖扰动后围岩完全变为松散体,无自稳能力,故施工难度大。
Tunneling in wind stockpiling fine sand is very difficult, since the sand undermined will become very loose and incapable of self-consolidating.
试验研究及工程实践结果表明:对于砾石土及风积沙,采用干压实施工工艺修筑路基是完全可行的;
The results of experiments and engineering show that it is feasible to adopt dry compaction procedure for subgrade construction road.
其次,进行了陶粒粉煤灰混凝土、粘性土、风积砂、砂砾和石灰土等几种材料的台背回填离心模型试验。
Secondly, models with different backfill-material such as argil fly-ash concrete, soil, sand, grit and lime-stabilized soil were experimented.
给出了厚风积砂覆盖区地下水运动数学模型,并举例分析神东矿区厚风积砂覆盖区地下水运动建模过程。
Put forward mathematics model of groundwater movement and analyze modeling course of groundwater in Shendong mine area as an example.
大采高液压支架是针对上湾矿煤层浅埋深、薄基岩、厚风积沙等特定地质条件而研制的一种高性能综采液压支架。
The high mining height hydraulic support is designed for the special geologic condition of Shangwan Coal Mine, such as shallow buried depth, thin bed rock and thick aeolian sand.
大采高强力液压支架是针对神东煤田浅埋深、薄基岩、厚风积沙等特定地质条件而研制的一种高性能综采液压支架。
The high mining height hydraulic support is designed for the special geologic condition of Shendong coalfield, such as shallow buried depth, thin bedrock and thick aeolian sand.
针对风积沙加固河套地区的特殊不良路基地基的应用技术研究,阐述了将风积沙用于路基不良地基的加固处理技术。
This article describes the application technology for consolidating the special poor subgrade in the Hetao Area with wind-blown sand.
结合工程实例在充分认识风积沙的工程特性基础上,通过分析风积沙工程特性,确定并进一步完善风积沙干压实工艺,明确了压实工艺控制要点。
Based on practical engineering examples and according to an analysis of the engineering properties of aeolian sand, the control points of aeolian sand dry compaction technology are defined.
结果表明,立地类型与林分生长关系十分密切,泥炭性风积沙土最适宜这3个树种生长,水化性风积沙土和不均一性风积沙土相对不利于这3个树种生长。
The results showed that the growth of stand is closely related with the site types. The sandy soil deposited by wind is most suitable for the growth of 3 species.
风成沙丘普遍存在角砾前积、拖曳褶皱和倒转褶皱等同沉积变形构造。
The synsedimentary deformation structures are common in eolian dunes, such as brecciated foresets, drag folds and overturned folds.
风成沙丘普遍存在角砾前积、拖曳褶皱和倒转褶皱等同沉积变形构造。
The synsedimentary deformation structures are common in eolian dunes, such as brecciated foresets, drag folds and overturned folds.
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