Abstract
Soil’s plastic zone around digging holes affects building’s incline-rectifying scheme and effect. In this paper, a new simplified method is utilized to analyze soil’s plastic zone around digging holes. It can take into account the influence of soil-digging dynamic disturbance and lateral earth pressure, while the previous method does not have the ability. First, based on Superposition Principle and Rubin’s Answer, analytical solution of soil’s plastic zone around circular digging holes is established. Then, combined with the Topology Theory, soil’s plastic zone scope around oval holes can be gotten with Affine Function, extruded from circular holes during building’s incline-rectifying process. Assume that soil will collapse when two digging holes’ plastic zones are connected, and by which soil’s maximum width between adjacent two digging holes can be determined. Finally, based on the above theoretical results, an incline-rectifying case of high residential building is simulated by the finite element method, taking into consideration the interaction of superstructure, foundation and soil. Simulations are compared with the field monitoring data. Results show that, the incline rate of this residential building is reduced to be less than 1.50‰, meeting the requirements, and numerical simulation is in good agreement with the field monitoring results, analytical plastic solution can be able to effectively guide building’s incline-rectifying construction.
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Acknowledgements
This work was supported by the National Natural Science Foundation of China (51609130, 51678350 & 51509145), the China Postdoctoral Science Foundation Funded Project (2015M582092 & 2016M592213), the Innovation Team Program of Education Ministry of China (IRT13075) and Shandong Provincial Natural Science Foundation (ZR2016EEQ10 & ZR2015EQ005). Great appreciation goes to the editorial board and the reviewers of this paper.
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Chen, Yj., Zhang, X. Analytical Plastic Solution Around Soil-Digging Holes for Inclined Building and its Application. Int J Civ Eng 17, 245–252 (2019). https://doi.org/10.1007/s40999-017-0230-7
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DOI: https://doi.org/10.1007/s40999-017-0230-7