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In view of the influence of the analysis method of geosynthetics axial tensile test results on the authenticity of mechanical properties, the mechanical properties of PVC geomembrane and HDPE geomembrane materials were studied respectively, and the relationship curves of the two materials under different analysis methods were obtained. Then the error of material tensile index under the two analysis methods was compared. The results indicate that the experimental curves obtained by the true stress-strain analysis method considering thickness changes can more accurately reflect the tensile deformation process of materials. When the materials are different, the modulus errors of the materials under the two analysis methods are also completely different. However, the variation law of the true stress-strain curve is more consistent compared to standard methods for processing, which can more accurately evaluate the material's ability to adapt to load deformation.
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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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