• The results indicate that using cement stabilized aeolian sand and macadam as base course for road is feasible.

    试验结果表明水泥稳定风积碎石基层公路上的应用是可行的。

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  • The density changes very little after soaking when the compactness of aeolian sand is above 90%.

    风积沙的实度达90%以上浸水所造成的密度改变很小

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  • In the paper, through the compaction test, the optimum moisture content and maximal dry density of aeolian sand are determined.

    本文通过击实试验确定风积最佳含水量大干密度

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  • Dune surface wind velocity distribution differences can lead to wind erosion and aeolian sand in different part of the dune.

    沙丘表面风速分布差异性导致沙丘不同部位发生风蚀风积的主要原因。

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  • As a kind of special soil, aeolian sandy soil mainly lies in arid and semiarid areas where sand drift activity is very strong.

    沙土存在干旱、半干旱地区的特殊性,其岩土工程性质与风沙环境紧密相关。

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  • Quartz grain surface textures in coastal dune sand which is mainly derived from beach sand have features characteristic of both typical aeolian environment and inheritable and reformable beach sand.

    本文通过对广东海南海岸沙丘砂石英颗粒的扫描电镜分析,认为其表面结构特征具有典型风成环境特征。

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  • So, it can be concluded that sand drift activity and aeolian landform forming are mainly taking place in warm dry period.

    可见,区内风沙活动风成景观的塑造过程,主要暖干期进行的。

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  • On the basis of research of various physical characteristics of coal gangue, fly ash, Aeolian sand, through contrast experiment, we chose this new reinforce material.

    在对煤矸石粉煤灰和风砂土各项物理力学特性进行试验研究基础上,通过对比试验选择了可供工程应用的新型固化剂。

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  • The aeolian silty sand in shale can provide good guide to study of paleoclimate about lacustrine shale and varve, and to reconstruct sedimentary environment of paleolake accurately.

    页岩中风成沉积发现,可以进一步研究有关湖相页岩第四纪纹泥的古气候变化、正确恢复古湖泊沉积环境提供良好的指标。

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  • 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.

    采高强力液压支架针对神东煤田基岩特定地质条件而研制的一种高性能综采液压支架。

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  • 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.

    采高液压支架针对上煤层基岩特定地质条件而研制一种高性能综采液压支架。

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  • 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.

    结合工程实例在充分认识风工程特性基础上,通过分析风积沙工程特性,确定并进一步完善风积沙工艺,明确了压实工艺控制要点

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  • The desert-crossing highway was built on the drifting sand dunes in kubuqi desert where aeolian sand hitting and sand dune moving were the main damage for the highway.

    库布齐穿沙公路修建库布齐沙漠高大的流动沙丘区,风沙侵袭沙丘整体前移埋压公路主要沙害形式。

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  • The sorting of the aeolian sand soil in the middle and southern desert is medium and better and the skewness is near symmetrical and the kurtosis is leptokurtic.

    中部南部风沙分选中等较好,呈窄态和对称的分布形式。

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  • 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.

    灌丛重要地貌类型,风力、沙源、植物影响灌丛沙堆发育主要因素

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  • The data of underground water resource in the arid aeolian sand region of Ningxia is limited; the coefficient of rainfall infiltration only can be decided through observing and verifying.

    宁夏中部干旱风沙区地下水资料相对较少,只能采用现场观测验证结合方式进行确定

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  • The low numerical value distribution of these two types trace elements in the Aeolian sand facies represents erosion and accumulation under wind force during the cold-dry climate.

    两种类型元素成沙呈现含量低值揭示了其时干旱寒冷气候作用风力侵蚀 搬运堆积作用

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  • 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.

    文章基于210国道沙区筑路实践介绍了风特征湿压实法施工工艺

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  • Shape characteristics of the natural aeolian sand ripples and their relations with the physical characteristics of surface sand. ;

    采用数值模拟的方法研究了沙粒冲击角对风成沙形成过程及其形态特征影响。

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  • 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.

    一种特殊的筑路材料,其压实特性影响沙漠公路施工质量重要因素

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  • 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.

    一种特殊的筑路材料,其压实特性影响沙漠公路施工质量重要因素

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