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Coal Engineering ›› 2023, Vol. 55 ›› Issue (7): 34-38.doi: 10.11799/ce202307006

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Foundation scheme of large-span cylindrical reticulated shell coal storage yard

  

  • Received:2023-02-09 Revised:2023-03-18 Online:2023-07-20 Published:2025-04-07

Abstract:

The design value of the horizontal load after the superposition of the horizontal thrust of the upper grid frame of the large-span coal storage yard and the coal pile pressure of the coal storage yard is relatively large, and the requirements for the bearing capacity of the foundation are relatively high, especially the anti-slip and anti-overturning capabilities. When the foundation is deep fill, collapsible soil, or weak soil layer, foundation treatment is generally needed to provide sufficient foundation bearing capacity. Based on engineering examples, this paper compares the economic indicators of various foundation treatment schemes, and through the MIDAS GTS finite element analysis verification, proposes the applicability of the inclined pile group scheme, which provides a certain reference for similar projects.The design value of the horizontal load after the superposition of the horizontal thrust of the upper grid frame of the large-span coal storage yard and the coal pile pressure of the coal storage yard is relatively large, and the requirements for the bearing capacity of the foundation are relatively high, especially the anti-slip and anti-overturning capabilities. When the foundation is deep fill, collapsible soil, or weak soil layer, foundation treatment is generally needed to provide sufficient foundation bearing capacity. Based on engineering examples, this paper compares the economic indicators of various foundation treatment schemes, and through the MIDAS GTS finite element analysis verification, proposes the applicability of the inclined pile group scheme, which provides a certain reference for similar projects.

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