Study on the Load-Bearing Behavior of Underground Steel Structures with Pitting Corrosion Damage
In order to study the effect of random pitting defects on the bearing capacity of steel structures in underground engineering, four kinds of samples containing random pitting defects were made and simulated damage tests were carried out. The effects of pitting damage on the failure mode, bearing cap...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2025-06-01
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| Series: | Applied Sciences |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2076-3417/15/12/6667 |
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| Summary: | In order to study the effect of random pitting defects on the bearing capacity of steel structures in underground engineering, four kinds of samples containing random pitting defects were made and simulated damage tests were carried out. The effects of pitting damage on the failure mode, bearing capacity and deformation capacity of the components were analyzed by compression testing and three-point bending testing of the complete samples and four kinds of prefabricated pitting damage samples. The results show that the existence of pitting damage will change the bending failure mode of the samples, and the four types of pitting damage will reduce the compressive bearing capacity and bending bearing capacity of the members to varying degrees, among which the inclined pitting damage specimens have the highest reduction in compressive and bending bearing capacity. The four types of pitting damage also reduce the compressive deformation ability of the specimen, but the influence of different damage distribution types on the bending deformation ability is very different. |
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| ISSN: | 2076-3417 |