Light loam and medium loam with less clay particles as fill earth had been extensively used in the construction of hydraulicfilldam in the Loess Plateau region.
粘粒含量较少的轻、中粉质壤土作冲填土料修建水坠坝，在黄土高原地区已被广泛应用。
2
Hydraulicfilldam is a fast and economic method for dam building, but the construction of filling is confined by seasons owing to long freezing period of cold zone at high latitude.