Abstract
An efficient reliability-based approach for the design of reinforced earth retaining walls in heavy haul railway is proposed in this paper. This approach addresses explicitly the effect of uncertain parameters in the design against internal instability for reinforced earth retaining walls. The first-order reliability method is integrated into the spreadsheet to assess the internal stability of retaining wall against rupture and pullout under various external loadings. The effect of uncertainties in the backfill unit weight, friction angle of soils, width, thickness and tensile strength of steel bars as well as the coefficient of friction for soil-reinforcement interface is presented in this study. The results generated by the proposed reliability-based approach agree well with those by Monte Carlo Simulation. The proposed approach is easy to use and this efficient tool can be adapted for other design considerations for the retaining walls in railway engineering.
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Acknowledgment
The study on which this paper is based was supported by the National Natural Science Foundation of China through Grant No. 41702296.
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Hu, B., Luo, Z., Wang, Y. (2018). Reliability-Based Assessment of Internal Stability for MSE Walls in Heavy Haul Railway. In: Qiu, T., Tiwari, B., Zhang, Z. (eds) Proceedings of GeoShanghai 2018 International Conference: Advances in Soil Dynamics and Foundation Engineering. GSIC 2018. Springer, Singapore. https://doi.org/10.1007/978-981-13-0131-5_63
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DOI: https://doi.org/10.1007/978-981-13-0131-5_63
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