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青海柴达木盆地,流沙侵袭公路的危害很严重。1963年6月养路段开始对流沙侵袭严重路段进行了观察和部分处治工作。现将处治流沙的点滴经验介绍如下: 一、流沙地区地理气候概况柴达木盆地西北部,流沙地区属半荒漠盐渍土地带,无植物生长。路线附近地形大部较为平坦,但流沙侵袭公路地段则多为丘陵地带,公路两侧多丛山、土包。地区气候干燥,年降雨量极为稀少。每年1～3月及8～12月刮风天较少,风力也小,4～8月为大风季节,一般风力为5～7极,最大达10级以上;风向1～3月份和8～12月多为北风,4～8月西北风为主,但因山头多,风向较乱,有时伴有东北风与
Qinghai Qaidam Basin, quicksand invasion of the road is very serious. In June 1963, the maintenance section began to observe and partially deal with the serious section of the inflow of sand. Now the trickle of the experience of quicksand introduction is as follows: First, the general situation of quicksand geography and climate Qaidam Basin northwestern, quicksand area is a semi-desert saline soil, no plant growth. Most of the terrain near the route is relatively flat, but the areas where the quicksands invade the roads are mostly the hilly areas. There are many hills and bales on both sides of the road. Regional climate is dry, annual rainfall is extremely scarce. From January to March and from August to December each year, there are few windy days and the wind is small. The windy season is from April to August, with the general wind of 5-7 poles and the maximum of 10 or more. The wind direction is from January to March and from August to March, December mostly for the north wind, northwest wind from April to August mainly, but due to more hills, the wind is chaotic, and sometimes accompanied by the northeast wind and