The hydraulic parameter quick test system in accordance with the oscillation principle can overcome the shortcomings of traditional methods in determining hydraulic parameters which,besides having complex hydrogeologi...The hydraulic parameter quick test system in accordance with the oscillation principle can overcome the shortcomings of traditional methods in determining hydraulic parameters which,besides having complex hydrogeological restrictions and needing complex equipment in the field,are often both time and energy consuming,and high cost.Based on the hydrogeological conditions in the north anchorage of Taizhou Yangtze River Highway Bridge,a quick hierarchical test is carried out for different depths of single-hole drilling to verify the function of the system in this case.Meanwhile,with a purification of the raw data gathered in the test by wavelet denoising,the hydraulic parameters are worked out by adopting the Kipp model.A comparison between the Kipp model results and stratigraphic data as well as pumping test results justifies the reliability and accuracy of the new method.The study finds other advantages of the method like high efficiency in operation,flexibility in stratified test,as well as environmental-friendliness.Therefore,the technology is of significant practical value and application prospect.展开更多
利用slug试验测量渗透系数在国内外已有了比较成熟的发展,但是专门应用于潜水井裸井的slug数学模型却极少出现在各类文献中。通过注水高度对潜水含水层厚度的影响推导对潜水含水层完整井的slug数学模型,此模型与传统的Bouwer and Rice...利用slug试验测量渗透系数在国内外已有了比较成熟的发展,但是专门应用于潜水井裸井的slug数学模型却极少出现在各类文献中。通过注水高度对潜水含水层厚度的影响推导对潜水含水层完整井的slug数学模型,此模型与传统的Bouwer and Rice模型相比考虑了注水后潜水面水位的增加对渗透系数K的影响,并结合室内变水头渗透试验和前期抽水试验来验证在工程实例运用此模型算出的渗透系数的准确性。展开更多
基金supported by the Jiangsu Province College Graduate Research and Innovation Program (Grant No. CX08B_123Z)the Fundamental Research Funds for the Central Universities (Grant No. 2009B11814)supported by the Natural Science Foundation of Hohai University (Grant No. 2009424011)
文摘The hydraulic parameter quick test system in accordance with the oscillation principle can overcome the shortcomings of traditional methods in determining hydraulic parameters which,besides having complex hydrogeological restrictions and needing complex equipment in the field,are often both time and energy consuming,and high cost.Based on the hydrogeological conditions in the north anchorage of Taizhou Yangtze River Highway Bridge,a quick hierarchical test is carried out for different depths of single-hole drilling to verify the function of the system in this case.Meanwhile,with a purification of the raw data gathered in the test by wavelet denoising,the hydraulic parameters are worked out by adopting the Kipp model.A comparison between the Kipp model results and stratigraphic data as well as pumping test results justifies the reliability and accuracy of the new method.The study finds other advantages of the method like high efficiency in operation,flexibility in stratified test,as well as environmental-friendliness.Therefore,the technology is of significant practical value and application prospect.
文摘利用slug试验测量渗透系数在国内外已有了比较成熟的发展,但是专门应用于潜水井裸井的slug数学模型却极少出现在各类文献中。通过注水高度对潜水含水层厚度的影响推导对潜水含水层完整井的slug数学模型,此模型与传统的Bouwer and Rice模型相比考虑了注水后潜水面水位的增加对渗透系数K的影响,并结合室内变水头渗透试验和前期抽水试验来验证在工程实例运用此模型算出的渗透系数的准确性。
