新疆沙湾翠山黄土工程地质特性研究

Study on the Loess Engineering Geological Characteristics in Cui Mountain, Shawan, Xinjiang

摘要:

本研究针对新疆沙湾翠山黃土的工程地质特性进行了深入分析,重点探讨了黄土的物理力学性质、湿陷性特征及其处理方法。研究区域位于沙湾县城南部的翠山,黄土主要来源于北侧盆地中的古尔班通古特沙漠。通过布设勘探井并取样分析,发现翠山黃土以低液限粉土为主,具有中等至弱透水层特性,湿陷性强烈。研究采用多种统计分析方法,揭示了湿陷性系数与孔隙比、塑性指数等物理指标之间的内在联系,并提出了强夯法、预浸水法和垫层法有效的地基处理方案,研究成果为翠山及周边地区的工程建设提供重要参考。

Abstract:

This study conducts an in-depth analysis of the loess engineering geological characteristics in Cui Mountain, Shawan, Xinjiang. It focuses on exploring the physical and mechanical properties, collapsibility characteristics and treatment methods of the loess. The study area is located in Cui Mountain, south of Shawan County. The loess mainly comes from the Gurbantunggut Desert in the northern basin. Through the layout of exploration wells and sampling analysis, it is found that the loess in Cui Mountain is mainly low-liquid-limit silt, with the characteristics of a medium to weak perviousness and strong collapsibility. The study uses a variety of statistical analysis methods to reveal the internal relationship between the collapsibility coefficient and physical indicators such as the void ratio and plasticity index, and proposes effective foundation treatment schemes including dynamic compaction, pre-soaking and cushion methods. The results of this study provide important references for engineering construction in Cui mountain and its surrounding areas.