土层抗张强度的增量Δτt

土层抗张强度的增量Δτt

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contributed at 2018-12-04

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Affiliation:  
岳天祥编著
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yue@lreis.ac.cn
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Geography SubjectPhysical GeographyEcosystem

Detailed Description

土层抗张强度的增量

 

式中,为侧根在直径组i中给定面积内的所有侧根数;为直径组i中所有单根的平均拉断力分别为直径i组中侧根的平均直径和平均抗张强度;i组中侧根的平均横断面积;A为各土层深度间隔得给定截面面积。

参考文献

周跃,张军,骆华松等:松属、青冈属乔木侧根的强度在防护林固土护坡作用中的意义。植物生态学报,2001,25(1)

 

How to cite

《资源环境数学模型手册》 (2018). 土层抗张强度的增量Δτt, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/2c6c2b28-84e5-4dcf-a62b-c77707885fc3
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Contributor

contributed at 2018-12-04

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Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
Homepage:  
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