新疆哈密至罗布泊沿线盐渍土特征及其灾害探析

Characteristics and hazards of saline soil along the road(HaMi to Lop Nur)

新疆地区盐渍土分布范围较广,尤其以死亡之海著称的罗布泊地区,盐渍土现象更为突出。哈密至罗布泊沿线路段地处在温差大,地下水矿化度高,降雨量少,蒸发量大的自然环境下,这种自然环境易导致出现各种盐渍土病害。盐渍土地带的病害主要有盐胀、翻浆、溶陷和腐蚀等类型,其中盐胀和溶陷对路基的影响尤为严重。本文将通过对沿线盐渍土特征的分析,为哈罗沿线的公路、铁路等工程的盐渍土病害防治提供相应的参考依据。

The distribution of saline soil in Xinjiang is broad, especially Lop Nur region known for its sea of death. Saline soil is more obvious there. Lop Nur is located along the road from Hami to Lop Nur where large temperature difference, and high salinity of groundwater, rainfall, evaporation of the natural environment, which all easily lead to a variety of saline soil diseases. Saline soil with the disease are mainly salt expansion, thawing settlement, frothing, melting and corrosion and other types of traps, which trap the salt and solvent swelling of the roadbed has been partic- ularly severe. Through analysis the characteristics of saline soil along the road, which could provide the corresponding reference to protect those projects involve saline soil disease.