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Analytical Solution for Passive Earth Pressure Considering Pit-in-Pit Reinforcement Effect
https://orcid.org/http://orcid.org/0000-0002-3435-7361
Pit-in-pit soil reinforcement is a widely adopted technique in pit reinforcement projects. However, the conventional Rankine earth pressure theory falls short when applied to pits in pit-in-pit scenarios. In view of this, based on the M method and the limit equilibrium method, this paper delves into the calculation principle of passive earth pressure following pit-in-pit reinforcement, and deduces theoretical formulas for the minimum earth pressure and ultimate slip angle across four distinct failure modes. A methodology to determine the final passive earth pressure in pit-in-pit reinforcement conditions is proposed. Furthermore, this paper illustrates the application of the proposed method through a numerical example, examining how passive earth pressure varies with different reinforcement dimensions. The results show that that while pit-in-pit reinforcement has a minimal impact on the overall passive earth pressure, it significantly enhances the passive earth pressure within the reinforced depth range. There exist critical dimensions in pit-in-pit reinforcement, each associated with specific failure modes. At the same time, the proposed calculation method is straightforward, featuring parameters with clear physical meanings, making it highly suitable for practical engineering applications.
Analytical Solution for Passive Earth Pressure Considering Pit-in-Pit Reinforcement Effect
https://orcid.org/http://orcid.org/0000-0002-3435-7361
Pit-in-pit soil reinforcement is a widely adopted technique in pit reinforcement projects. However, the conventional Rankine earth pressure theory falls short when applied to pits in pit-in-pit scenarios. In view of this, based on the M method and the limit equilibrium method, this paper delves into the calculation principle of passive earth pressure following pit-in-pit reinforcement, and deduces theoretical formulas for the minimum earth pressure and ultimate slip angle across four distinct failure modes. A methodology to determine the final passive earth pressure in pit-in-pit reinforcement conditions is proposed. Furthermore, this paper illustrates the application of the proposed method through a numerical example, examining how passive earth pressure varies with different reinforcement dimensions. The results show that that while pit-in-pit reinforcement has a minimal impact on the overall passive earth pressure, it significantly enhances the passive earth pressure within the reinforced depth range. There exist critical dimensions in pit-in-pit reinforcement, each associated with specific failure modes. At the same time, the proposed calculation method is straightforward, featuring parameters with clear physical meanings, making it highly suitable for practical engineering applications.
Analytical Solution for Passive Earth Pressure Considering Pit-in-Pit Reinforcement Effect
https://orcid.org/http://orcid.org/0000-0002-3435-7361
Pit-in-pit soil reinforcement is a widely adopted technique in pit reinforcement projects. However, the conventional Rankine earth pressure theory falls short when applied to pits in pit-in-pit scenarios. In view of this, based on the M method and the limit equilibrium method, this paper delves into the calculation principle of passive earth pressure following pit-in-pit reinforcement, and deduces theoretical formulas for the minimum earth pressure and ultimate slip angle across four distinct failure modes. A methodology to determine the final passive earth pressure in pit-in-pit reinforcement conditions is proposed. Furthermore, this paper illustrates the application of the proposed method through a numerical example, examining how passive earth pressure varies with different reinforcement dimensions. The results show that that while pit-in-pit reinforcement has a minimal impact on the overall passive earth pressure, it significantly enhances the passive earth pressure within the reinforced depth range. There exist critical dimensions in pit-in-pit reinforcement, each associated with specific failure modes. At the same time, the proposed calculation method is straightforward, featuring parameters with clear physical meanings, making it highly suitable for practical engineering applications.
Analytical Solution for Passive Earth Pressure Considering Pit-in-Pit Reinforcement Effect
Int. J. of Geosynth. and Ground Eng.
Zhu, Yalin (Autor:in) / Zhu, Yuqing (Autor:in) / Tan, Kun (Autor:in) / Xu, Qian (Autor:in) / He, Min (Autor:in) / Guo, Panpan (Autor:in)
01.04.2025
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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