Please share your ideas/literatures regarding the measurement of infiltration rate under field condition.
Adequate infiltration through Permeable Interlocking Concrete Pavements
(PICPs) is critical to their hydraulic performance. Detected by monitoring infiltration
performance, reduced infiltration rates can indicate that maintenance is required.
Measurement of infiltration rates has previously been problematic on PICPs because of a
lack of accepted standard methodologies and the practical difficulties in modifying
existing testing methodologies. On large sites, standard methodologies necessitate multiple
measurements to achieve accuracy. Standard methods also contend with practical issues
such as sealing the rings to the surface to prevent lateral water flow. This study examined
the performance of two PICP surface infiltration rate measurement methods: a modified
double-ring infiltrometer (DRIT), and a specially designed rainfall simulation infiltrometer
(RSIT). A positive correlation (R2 = 0.85) of results was found between the two,
demonstrating that the RSIT was comparable to the DRIT. The modified DRIT produced
surface infiltration results approximately 60% higher than the RSIT results. The RSIT
provided lower variation between tests, requiring fewer measurements in large sites whilst
still maintaining accuracy, thereby improving testing efficiency. The new RSIT method
also eliminates some of the practical difficulties with existing methodologies such as
unrealistic pressure heads artificially increasing infiltration rates, and the use of sealant
under test measurement infiltration rings.
Hi dear
Your question is the best practical way for measuring infiltration rate under field condition?
please, identify the irrigation condition is that surface or sprinkler any way!
Under surface irrigation (border or basin) , you can use duple ring set as a best measuring method.
under surface irrigation (farrow) , you can apply the method of water balanced by using tow cut through flume or tow Parshall flume, one measures the inflow water in the farrow and the other measures the outflow water for the farrow. then the difference is the the water intake by the soil.
It's not about irrigation, it's about a permeable interlocking concrete pavement!
So, I believe that a rainfall simulator would give a better performance.
Dear respected M.R. Yadav,
The best practical way of measuring the infiltration rate is by using a double ring infiltrometer. You can also check this link:
https://www.researchgate.net/publication/325091235_Soil_Porosity_and_Water_Infiltration_as_Influenced_by_Tillage_Practices_on_Federal_University_of_Agriculture_Abeokuta_Ogun_State_Nigeria_Soil.
Best regards
Kifilideen
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