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天山奎先达坂(希勒岭)是吐鲁番盆地的阿拉沟与博斯腾湖盆地的乌拉斯台沟的分水岭,南疆铁路沿别尔根冰水沉积扇地边缘行进,穿越札亥莎拉和冬德莎拉冰碛垅,而北进奎尔特山和奎先达坂至乌拉斯台沟,所经线路区域广泛分布第四纪冰碛层,如图1所示。为探讨冰碛层的工程地质性质,铁道部第一勘测设计院和冰川冻土研究所于1974年组成了冰川冻土雪害组,对该段线路的冰碛层进行了勘察设计,并在昆明水电设计院
Tianshan Kui Xian Daban (Hiller Ridge) is a watershed between Alatao in the Turpan Basin and Wulasitaig in the Bosten Lake Basin. The southern Xinjiang Railway runs along the edge of Bergen ice-water sedimentary fan and traverses Saharan and Winter Sarah moraine 垅, and north into the Quilter and Kuida Daban to Wulasitai, Quaternary moraine layer widely distributed by the line area, as shown in Figure 1. In order to explore the engineering geological properties of the moraine layer, the First Survey and Design Institute of the Ministry of Railways and the Institute of Glaciers and Frozen Soils formed a group of glacial frozen soil damage in 1974. The moraine layers in this section were surveyed and designed, Hydropower Design Institute