Spatial Distribution Characteristics of Soil Salt Ions in Tumushuke City, Xinjiang

Xuemei Jiang, Yuwei Ma (), Gang Li (), Wei Huang, Hongyan Zhao, Guangming Cao and Aiqin Wang
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Xuemei Jiang: College of Water Conservancy & Architectural Engineering, Shihezi University, Shihezi 832000, China
Yuwei Ma: College of Water Conservancy & Architectural Engineering, Shihezi University, Shihezi 832000, China
Gang Li: College of Water Conservancy & Architectural Engineering, Shihezi University, Shihezi 832000, China
Wei Huang: Xinjiang Qiankun Engineering Construction Group, Tumushuke City 844000, China
Hongyan Zhao: College of Water Conservancy & Architectural Engineering, Shihezi University, Shihezi 832000, China
Guangming Cao: Xinjiang Qiankun Engineering Construction Group, Tumushuke City 844000, China
Aiqin Wang: College of Water Conservancy & Architectural Engineering, Shihezi University, Shihezi 832000, China

Sustainability, 2022, vol. 14, issue 24, 1-11

Abstract: Concrete durability in saline soil areas is a global problem. Both SO 4 2− and Cl − in saline soil seriously affect the durability of concrete and restrict the sustainable development of engineering construction. Soil samples were collected from Tumushuke city, Xinjiang, and the concentrations of SO 4 2− and Cl − in the soil were measured. Classical statistics and geostatistics methods were combined to analyze the distribution characteristics of the soil salts. Additionally, the kriging interpolation method was used to draw a salt distribution map. The results showed that the average contents of SO 4 2− and Cl − in the soil of this area were 7037.08 and 6018.94 mg/kg, respectively. SO 4 2− exhibited moderate variability at depths of 30–60 and 60–100 cm in the soil and strong variability in the surface layer; Cl − exhibited strong variability at depths of 0–30, 30–60, and 60–100 cm in the soil. The SO 4 2− and Cl − concentrations exhibited high spatial correlation and showed regular changes. The horizontal distribution patterns of “low in the south and high in the north” and “high in the east and low in the west” were observed. Regarding the vertical distribution, the profiles of the SO 4 2− and Cl − contents in the soils primarily exhibited “surface aggregation” distribution characteristics. Therefore, according to the spatial distribution characteristics of SO 4 2− and Cl − , local concrete engineering construction can adopt different anti-erosion measures to enhance the safety and durability of concrete structures.

Keywords: Tumushuke city; soil salinization; SO 4 2− and Cl −; geostatistics; salt distribution (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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