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  • 标题:In situ permeability and shape factor of flat-base recharge wells using variations of porous walls
  • 本地全文:下载
  • 作者:Azizah Rachmawati ; Suhardjono ; Ussy Andawayanti
  • 期刊名称:IOP Conference Series: Earth and Environmental Science
  • 印刷版ISSN:1755-1307
  • 电子版ISSN:1755-1315
  • 出版年度:2020
  • 卷号:437
  • 期号:1
  • DOI:10.1088/1755-1315/437/1/012031
  • 语种:English
  • 出版社:IOP Publishing
  • 摘要:Shape factors of recharge wells that have existed in various forms can be seen in terms of the absorption and the value. The development of existing recharge wells considers their various shapes and values. The condition factor 5b, according to Dachler (1936) and Sunjoto (2002), needs to be examined. The shape factor is the coefficient of dimension planning, which takes into account the perimeter, area, volume, and water level of the recharge well. The permeability coefficient is very important. An experiment on the field involved three recharge well models in a flat base impregnation, testing the porous wall (L) and well radius (R). The aim of this research is to investigate the shape factor values of the three recharge well models whose upper walls are made of concrete pipes with diameters of 0.6 m, 0.8 m, and 1.0 m. The height of the porous wall varies from 0.3 m, 0.7 m, to 1.0 m. In this study, the results showed that the shape factor simultaneously influenced the height of the porous wall (F = 22.49 > F table = 5.59; P < 0.05). However, there is a positive correlation between the change in the shape factor and the height of the porous wall on a flat base for the recharge wells (R2 = 0.79).
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