一种确定原状土样非饱和水力传导度的方法
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* 国家自然科学基金“八五”重大项目(49391604)


A METHOD FOR DETERMINING UNSATURATED HYDRAULIC CONDUCTIVITY OF UNDISTURBED SOIL SAMPLE
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    摘要:

    提出了一种新的求参方法──“同定参数法”,按该方法求原状土样参数的原理设计制作了求参装置,在求参过程中,通过迭代法修正水分特征曲线,求得原状土样非饱和水力传导度。

    Abstract:

    A new experiment method for determining parameters of soil water movement is put forward, which is that two parameters are determined in the same one experiment According to the principle of detemvning undisturbed soil sample parameters, a new device is designed and introduced. Through successive correction of the assumed soil water characteristic curve by iteration method, unsaturated hydraulic conductivity of the undisturbed soil sample is obtained. At the same time, the soil water characteristic curve of the soil sample is also obtained.

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邵爱军,沈荣开,张瑜芳,杨劲松.一种确定原状土样非饱和水力传导度的方法[J].土壤学报,2000,37(3):419-423. DOI:10.11766/trxb199901070317 Shao Ai-jun, Shen Rong-kai, Zhang Yu-fang, Yang Jin-song. A METHOD FOR DETERMINING UNSATURATED HYDRAULIC CONDUCTIVITY OF UNDISTURBED SOIL SAMPLE[J]. Acta Pedologica Sinica,2000,37(3):419-423.

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  • 收稿日期:1999-01-07
  • 最后修改日期:1999-06-25
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  • 在线发布日期: 2013-02-25
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