4. The following information is a summary of data produced by the automatic syst

Question

4. The following information is a summary of data produced by the automatic system used to measure Ksat in laboratory 3. Calculate Kat for each of the periods with a discharge value and also the average Ksat for the run. Mode: Constant Head Sample name: UD90 h5cm 002 Cross-sectional area of the burette [em: 4.536 Cross-sectional area of the sample [em]: Mean pressure head [em]: 50.00 4.249 Runtime Water level in Cumulative Date/Time 7/17/2014 20:48 7/17/2014 20:49 30.72 7/17/2014 20:4961.96 7/17/2014 20:50 124.52 717/2014 20.48the burette feml Discharg 18 16 14 10 0 0.176 0.351 0.703

Explanation / Answer

Ksat calculator is a soil hydraulic characteristics including Hydtaulic conductivity (k value),infiltration Rate

Runtime (min) Total water consumed in the burette(ml)       Water consumption Rate (ml/min)

                                      Discharge value                                          Ksat

0           . 4.249*18=76.4820cm3= 76.482ml                        7648 ml/min

0.5120                     4.24 *16=67.98cm3=67.98ml                              132.77 ml/min

1.0327                     4.249*14=59.4860cm3=59.486ml                          57.6024 ml/min

2.0753                      4.249*10=42.49cm3=42.49ml                               20.4741 ml/min

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