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Steel/GFRP L-shaped joint and similar components are common in ship manufacture. In this paper, a steel/GFRP L-joint with ±45° groove structure was designed, and the effect of parameters such as glueing length on the performance of the L-joint was investigated through the compression experiments of steel/GFRP L-joints. In the numerical analysis of the steel/GFRP L-joint, the complexity of the ±45° groove structure glueing interface structure and the multi-interface and multi-scale were considered, and the stiffness equivalence method was used to equate the groove structure to a cohesive unit layer of 0 thickness. The failure modes of the L-joint were analyzed in detail concerning the compressive load and displacement by comparing the compression experimental results with the simulation, and the steel/GFRP L-joint exhibits better compressive performance when the bonding length is 100 mm.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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