In order to study the structural fatigue safety of in-service fixed roof storage tanks after uneven settlement, an exponential curve method of settlement prediction has been constructed. A finite element model based on the contact condition between the elastic ring beam foundation and the tank base was also proposed. On the basis of above, a fatigue life prediction method of in-service storage tanks based on the settlement prediction model has been established. Combined with the engineering example of an in-service tank, the structural fatigue safety under the actual uneven settlement was analyzed. The results indicate that the trend of foundation settlement with time could be predicted accurately and the contact condition between base and foundation could be simulated simultaneously. Subsequently, the in-service tank’s structural fatigue life under the uneven settlement could be predicted.
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ASME 2018 Pressure Vessels and Piping Conference
July 15–20, 2018
Prague, Czech Republic
Conference Sponsors:
- Pressure Vessels and Piping Division
ISBN:
978-0-7918-5166-1
PROCEEDINGS PAPER
Fatigue Life Analysis of Storage Tanks In-Service Based on Exponential Curve Settlement Prediction Model
Delin Zhang,
Delin Zhang
Zhejiang University, Hangzhou, China
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Zhiping Chen,
Zhiping Chen
Zhejiang University, Hangzhou, China
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You Li
You Li
Zhejiang University, Hangzhou, China
Search for other works by this author on:
Delin Zhang
Zhejiang University, Hangzhou, China
Zhiping Chen
Zhejiang University, Hangzhou, China
You Li
Zhejiang University, Hangzhou, China
Paper No:
PVP2018-84431, V005T10A008; 10 pages
Published Online:
October 26, 2018
Citation
Zhang, D, Chen, Z, & Li, Y. "Fatigue Life Analysis of Storage Tanks In-Service Based on Exponential Curve Settlement Prediction Model." Proceedings of the ASME 2018 Pressure Vessels and Piping Conference. Volume 5: High-Pressure Technology; ASME Nondestructive Evaluation, Diagnosis and Prognosis Division (NDPD); Rudy Scavuzzo Student Paper Symposium and 26th Annual Student Paper Competition. Prague, Czech Republic. July 15–20, 2018. V005T10A008. ASME. https://doi.org/10.1115/PVP2018-84431
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