| Theoretical Calculation of the Burst Pressure of Air-bag for Ship Launching |
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| DOI： |
| Key Words: air-bag；rubber；cord；burst pressure；membrane theory；netting theory |
| Author Name | Affiliation | | LIU Ya-ping | Zhejiang University of Technology | | WU Jian-guo | Zhejiang University of Technology | | SUN Ju-xiang | The Factory of Changlin Air-bag Container |
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| Abstract: |
| Based on membrane theory and netting theory， and considering the strength， winding density，winding angle and geometric structure of the cord，the formula to calculate the longitudinal stress，circumferential stress and burst pressure of cord wound rubber air-bag under internal pressure were obtained. The accuracy of the formula was good confirmed by comparing test value with theoretical value of burst pressure. |
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