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Measurement and Analysis of Elastic Modulus of Aquatic Plants in Ecological Lakes in Central Plains
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Zhan-song LI, Ying LIU, Yan-peng SUN, Shun ZHAO, Heng LU, Bing-qian CHEN
Water Resources and Power | 2023, 41(4) : 73 - 75
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Water Resources and Power | 2023, 41(4): 73-75
• HYDROLOGY, WATER RESOURCES AND ENVIRONMENT •
Measurement and Analysis of Elastic Modulus of Aquatic Plants in Ecological Lakes in Central Plains
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Zhan-song LI, Ying LIU, Yan-peng SUN, Shun ZHAO, Heng LU, Bing-qian CHEN
Affiliations
  • College of Water Resources and Civil Engineering, Zhengzhou University, Zhengzhou 450001, China
Published: 2023-04-25 doi: 10.20040/j.cnki.1000-7709.2023.20220997
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As an important factor in the ecological environment of lakes, aquatic plants play a key role in the restoration and management of lakes. The water blocking effect of aquatic plants has a significant impact on the flood storage and discharge process of lakes, so the impact of aquatic plants on the roughness has become an important part of the hydraulic research of ecological lakes. The height of aquatic plants is closely related to the roughness of lakes. The elastic modulus of aquatic plants is an important mechanical property parameter for calculating its deformation. The stem of aquatic plants is simplified as a cantilever beam with variable cross-section. Through the bending deformation test of eight aquatic plants, the tensile force, displacement and other parameters are measured, and the elastic modulus value is calculated. The basic range of the measured elastic modulus change of eight aquatic plants is obtained. The comparison shows that the elastic modulus of these aquatic plants increases with the growth age or total length.

aquatic plant  /  modulus of elasticity  /  equivalent moment of inertia  /  variable section cantilever beam
Zhan-song LI, Ying LIU, Yan-peng SUN, Shun ZHAO, Heng LU, Bing-qian CHEN. Measurement and Analysis of Elastic Modulus of Aquatic Plants in Ecological Lakes in Central Plains[J]. Water Resources and Power, 2023 , 41 (4) : 73 -75 . DOI: 10.20040/j.cnki.1000-7709.2023.20220997
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Year 2023 volume 41 Issue 4
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Article Info
doi: 10.20040/j.cnki.1000-7709.2023.20220997
  • Receive Date：2022-05-12
  • Online Date：2026-01-27
  • Published：2023-04-25
Article Data
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  • Received：2022-05-12
  • Revised：2022-07-07
Affiliations
    College of Water Resources and Civil Engineering, Zhengzhou University, Zhengzhou 450001, China
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表12种不同金属材料的力学参数
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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