Stability Analysis of Masonry Air-Raid Shelters Based on the Unloading Arch Theory and Finite Element Simulations

XU Wenjing; HOU Xingmin; LI Junhai; WU Jinhao; LI Junming; WANG Feng

doi:10.3724/j.gyjzG22111905

Volume 55 Issue 2

Feb. 2025

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2025 > 55(2): 240-245

XU Wenjing, HOU Xingmin, LI Junhai, WU Jinhao, LI Junming, WANG Feng. Stability Analysis of Masonry Air-Raid Shelters Based on the Unloading Arch Theory and Finite Element Simulations[J]. INDUSTRIAL CONSTRUCTION, 2025, 55(2): 240-245. doi: 10.3724/j.gyjzG22111905

Citation:

XU Wenjing, HOU Xingmin, LI Junhai, WU Jinhao, LI Junming, WANG Feng. Stability Analysis of Masonry Air-Raid Shelters Based on the Unloading Arch Theory and Finite Element Simulations[J]. INDUSTRIAL CONSTRUCTION, 2025, 55(2): 240-245. doi: 10.3724/j.gyjzG22111905

Citation:

XU Wenjing, HOU Xingmin, LI Junhai, WU Jinhao, LI Junming, WANG Feng. Stability Analysis of Masonry Air-Raid Shelters Based on the Unloading Arch Theory and Finite Element Simulations[J]. INDUSTRIAL CONSTRUCTION, 2025, 55(2): 240-245. doi: 10.3724/j.gyjzG22111905

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Stability Analysis of Masonry Air-Raid Shelters Based on the Unloading Arch Theory and Finite Element Simulations

doi: 10.3724/j.gyjzG22111905

1. School of Civil Engineering, Yantai University, Yantai 264005, China;
2. Shandong Geotechnical Survey and Design Research Institute Co., Ltd., Yantai 264001, China

Received Date: 2022-11-19
Available Online: 2025-04-02

Abstract

Abstract

In order to avoid accidents and geological disasters, it is very important to reasonably evaluate the stability of underground air-raid shelters in the construction of new cities and renovation of old cities. According to the engineering geological conditions of the masonry air-raid shelter in the city, the paper selected a typical section, used the Platts unloading arch theory to calculate the vertical stress of the vault and the horizontal stress of the side wall, and used the MIDAS GTS/NX software stratum structure method. The finite element modeling was carried out, and the relative errors of the results obtained by the two methods were 6.90% and 6.71%, respectively. According to the specification, the compressive bearing capacity of the masonry air-raid shelter was checked, and the results showed that both the vertical stress of the vault and the horizontal stress of the side walls met the compressive bearing capacity requirements. Considering the seepage of the soil around the masonry air-raid shelter and the requirements of shear and bending bearing capacity, the masonry air-raid shelter should be partially reinforced and grouted.
- unloading arch theory,
- masonry air-raid shelter,
- stability,
- finite element simulation

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References(20)

References

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