Laboratory investigation and theoretical analysis of lateral pressure exerted by expansive soils on retaining walls with expanded polystyrene geofoam block upon water infiltration

Fan, Kewei; Zou, Weilie; Zhang, Pan; Wang, Xiequn; Shen, Yang

doi:10.1016/j.geotexmem.2023.11.005

Cited by 21 publications

(2 citation statements)

References 36 publications

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“…Geosynthetic materials, such as geotextiles, geomembranes, and geogrids, are often made from recycled or recyclable materials. Their use in civil engineering projects helps in reducing the dependency on natural resources and minimizes environmental footprints [1][2][3][4][5][6]. Soilbags are a form of application of geosynthetic materials in civil engineering.…”

Section: Introductionmentioning

confidence: 99%

Study on Non-Limited Earth Pressures of Soilbag-Reinforced Retaining Structures with Surcharge Loads

Bian,

Lai,

Liu

et al. 2024

Materials

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The earth pressure acting on soilbag-reinforced retaining structures subjected to surcharge loads under non-limited states is crucial for designing these structures. In this study, mode tests on soilbag-reinforced retaining walls were conducted to the earth pressure of the wall subjected to surcharge loads. The findings from these tests reveal a non-linear distribution of lateral earth pressure on the wall when subjected to surcharge loads in non-limited states, with an observed escalation in pressure corresponding to increased surcharge loads. Insights from the tests facilitated the development of a predictive method for estimating lateral pressure on soilbag-reinforced retaining walls under similar conditions, and its performance was fully validated by the model tests. Furthermore, the impact of the geometric dimensions and material properties of the soilbags on the earth pressure distribution was examined using the proposed method.

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Section: Introductionmentioning

confidence: 99%

Study on Non-Limited Earth Pressures of Soilbag-Reinforced Retaining Structures with Surcharge Loads

Bian,

Lai,

Liu

et al. 2024

Materials

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“…These methods include electro-osmotic consolidation [7,8], vacuum preloading [9], soil stabilization with lime and cement [10][11][12][13], and geosynthetic reinforcement [14][15][16][17]. Among these methods, geosynthetic treatment is notably recognized for its cost-effectiveness and environmentally friendly attributes [18,19]. Consequently, it has been increasingly adopted for the treatment of soft soils in road construction.…”

Section: Introductionmentioning

confidence: 99%

Mechanism and Application of Soilbags Filled with Excavated Soil in Soft Soil Subgrade Treatment

Xu,

Liao,

Fan

2024

Applied Sciences

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This research addresses the characteristics of soft soil subgrades treated by soilbags filled with excavated clayey soil. We evaluated of the strength and deformation modulus of soilbags containing excavated soil using unconfined compression tests. In addition, the drainage consolidation characteristics of soilbag-treated subgrades were investigated via model consolidation tests. Furthermore, a practical application included the construction of a 100 m-long rural road subgrade with these soilbags. The field test and numerical simulation results included the surface settlement and pore water pressure during and after construction to validate the effectiveness of the soilbag treatment for soft soil subgrade. The results show that the soilbags significantly enhanced both the strength and deformation modulus of the soft soil, which met the design requirements after the soilbag treatment. The drainage attributes of the soilbag treatment were also found to support the consolidation process of the soft soil subgrade effectively. Notably, the pore water pressure diminished rapidly during the construction interval, which is beneficial to reducing the post-construction settlement. The settlement uniformity of the subgrade is good verification of the superiority of the soilbag-treated subgrades.

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An artificial intelligence optimization method of back analysis of unsteady-steady seepage field for the dam site under complex geological condition

Yu,

Shen,

et al. 2024

Bull Eng Geol Environ

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Laboratory investigation and theoretical analysis of lateral pressure exerted by expansive soils on retaining walls with expanded polystyrene geofoam block upon water infiltration

Cited by 21 publications

References 36 publications

Study on Non-Limited Earth Pressures of Soilbag-Reinforced Retaining Structures with Surcharge Loads

Study on Non-Limited Earth Pressures of Soilbag-Reinforced Retaining Structures with Surcharge Loads

Mechanism and Application of Soilbags Filled with Excavated Soil in Soft Soil Subgrade Treatment

An artificial intelligence optimization method of back analysis of unsteady-steady seepage field for the dam site under complex geological condition

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