Abstract
In order to investigate the damage models and failure mechanism of the outer concrete tank of the liquefied natural gas (LNG) storage tank under impact loading, the finite element (FE) model of the outer concrete tank of 160,000 m3 LNG storage tank for an actual LNG project and a cylindrical impactor are established based on ANSYS/LSDYNA FE analysis software platform. Through the result comparison of the numerical simulation and an impact perforation test of reinforced concrete slabs subjected to projectile with high speed, the accuracy of the numerical simulation method and material model proposed from this paper are verified. The dynamic response of the concrete dome for LNG outer concrete tank structures under impact loading is studied. Based on response rules and failure phenomena of the dome for LNG outer concrete storage tank subject to impact loading, three damage modes are defined, and the failure mechanism for each mode is revealed from the view point of energy.
| Original language | English |
|---|---|
| Journal | Proceedings of International Structural Engineering and Construction |
| Volume | 4 |
| Issue number | 1 |
| DOIs | |
| State | Published - 2017 |
| Externally published | Yes |
| Event | 9th International Structural Engineering and Construction Conference, ISEC-9 2017 - Valencia, Spain Duration: 24 Jul 2017 → 29 Jul 2017 |
Keywords
- Concrete dome
- Cylindrical impactor
- Dynamic response
- Failure phenomena
- LNG storage tank
- Response characteristic
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