Research on Subgrade Treatment Technology for Highways in Expansive Soil Areas
Journal: Architecture Engineering and Science DOI: 10.32629/aes.v5i3.2555
Abstract
Expansive soil is a type of soil with significant expansion and shrinkage characteristics, posing a major threat to the stability and durability of highway subgrades. This paper reviews the impact of expansive soil on highway subgrades, explores common subgrade issues, and introduces treatment technologies for subgrades in expansive soil areas. The study shows that reasonable pretreatment, reinforcement, and drainage techniques can effectively mitigate the damage caused by expansive soil to subgrades, enhancing the service life and safety of highways.
Keywords
Expansive soil, highway, subgrade treatment technology, pretreatment, reinforcement, drainage
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[1] Gu, C. P. (2013). Simulation Study on Deformation Characteristics of Lime-Modified Expansive Soil Subgrade. Highway Traffic Technology, 000(004), 1-5.
[2] Qin, Z. H. (2021). Study on Deformation Stability Characteristics and Treatment Technology of Expansive Soil Fill Subgrade. Guangxi University.
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[2] Qin, Z. H. (2021). Study on Deformation Stability Characteristics and Treatment Technology of Expansive Soil Fill Subgrade. Guangxi University.
[3] Su, W. (2018). Improvement Methods and Construction Quality Control of Expansive Soil Subgrade on Yilou Expressway. Central South University of Forestry and Technology.
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