sand drift meaning in English
流沙。
Examples
- The methods for treating the sand drifting in the construction of the sunken shaft
关于沉井施工中流沙的处理方法 - A cry of the sand drifted in the universe , last , last , last , for a long time
宇宙空间之中传出一粒砂的哭声,飘荡着良久不绝。 - A recommend value of appropriate roadbed height is put forward according to the sand dune type and the highway grade , make investigation to the sand harm and other problems of built highways in desert areas gathering the related materials of present day highways , and then make comprehensive and systematic statistics to related data and racious factors which affect the roadbed height ; analy the suitable roadbed height for the windblown sand drift passes through smoothly according to the open country windblown sand field test ; test and verify the outcome according to indoor wind tunnel test ; finally a appropriate recommend roadbed height value will be put forward for different grade highways in different areas , which is according to the analysis of roadbed stability the roadbed height economic analysis and different use requirement to different grade highways
收集现有沙漠公路的有关资料,对全国已建沙漠公路进行沙害及其他病害调查,对相关数据和影响沙漠公路路基高度的各种因素进行综合系统地统计分析;通过野外风沙流场测定,分析适宜风沙流顺利通过的路基高度;通过室内风洞试验进行验证;结合路基稳定性分析、路基高度的经济性分析,考虑不同等级公路的使用要求,最终提出不同地区不同等级沙漠公路路基填土高度的合理高度建议值。 - The research test of this discussion as follows : making investigation and research to overseas related materials ; make investigation to built highways in desert areas , dozens of routes and nearly 100 road sections have been surveyed , among them two highways have been taken as the chief investigation objects , they are " 210 national highways - first grade highways from bao tou to dong sheng " and " the section of nei meng a la shan meng s307 from shang de to meng gen " ; the relationship between windblown sand drift and the roadred height wind tunnel test ; make investigation to the tested road sections and subengineerings then make statistics and study according to the test outcome ; the stability analysis of different roadbed height ; the analysis of roadbed economy
本课题的研究工作包括:对国外相关资料的调研分析;对已建沙漠地区公路进行调查、观测了十余条线路,近百段路段,以‘ 210国道包头至东胜一级公路’ 、 ‘内蒙阿拉善盟s307尚德至孟根段’为主要调查对象;风沙流路基高度的关系、风洞试验;对调查路段及依托工程调查、观测结果统计研究;不同高度下路基稳定性分析;路基经济性分析;按照沙丘类型及公路等级提出路基合理高度推荐值。 - In this paper , on the basic theories foundation study of summary people of the past , aiming directly at whether the shelter forest can deposit the sand and how powerful it can . we select the oasis in ulan buh desert as the study plot , and study the function of the shelter forest reduce the " sand " and " dust " . we draw the following conclusion . first , in the fixed and semifixed sand lands , which grow the natural sand - binding plants , the coverage of plant in the fixed and semifixed sand land is 26 . 4 % and 10 . 3 % , respectively , the amount of sand drift decrease 93 . 38 % and 81 . 91 % comparing with the migratory sand land which have no plant coverage in the same wind speed and the range of 0 - 40cm above the ground
本文以前人的研究为基础针对“防护林体系是否有降解作用,有多大的降解作用”这一问题以乌兰布和沙漠边缘的防护林体系为研究对象,研究了防护林体系对“沙” 、 “尘”的降解作用,得出以下结论: ( 1 )在距离地表0 - 40cm范围内,同一风速下生长有天然固沙植物,植被盖度分别为26 . 4 、 10 . 3的固定、半固定沙地上,地表起沙量分别比无植被生长的流动沙地降低了93 . 38 、 81 . 91 。