中铁西北科学研究院 (原铁道部科学研究院西北分院 )是以特殊地质路基与灾害防治的科研、咨询、勘察、设计、施工和工程监理为重点专业 ,以特殊、重大应用理论及灾害防治工程措施研究为主攻方向的科技型企业 ,设有滑坡、冻土与盐湖路基、黄土与地基基础、沙漠防治、膨胀土 (裂 Northwest Branch of China Railway Northwest Research Institute of Science and Technology (formerly the Northwest Branch of the Ministry of Railways) is a special geological subgrade and disaster prevention research, consulting, survey, design, construction and project supervision as the key professional, with special and major applications and disaster prevention and control engineering Measures to study the main direction of science and technology enterprises, with landslides, permafrost and salt lake embankment, loess and foundation, desert control, expansive soil (crack