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Field Measurement of Hydraulic Conductivity

Donnan, William W. / Aronovici, V. S.

One of the major factors connected with the design of drainage systems is the measurement of hydraulic conductivity of the soil strata to be drained. This paper describes the work carried on to develop a device for this measurement. Laboratory studies resulted in the adoption of a small, brass, screen-type well point which could be inserted in the soil below the water table. The rate at which water was pumped out of the well point related directly to the conductivity of the strata being tested.

Field-type well points were then developed, using ordinary hardware pipe fitting. The field well points were then tested in the laboratory and in the field with good results.

This report describes how to make the field well points and also outlines a technique for field installation and operation of the device. In addition, graphs are provided which relate quantity of water pumped under various head differentials with the corresponding hydraulic conductivity.

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Field Measurement of Hydraulic Conductivity

Donnan, William W. / Aronovici, V. S.

Abstract

Field-type well points were then developed, using ordinary hardware pipe fitting. The field well points were then tested in the laboratory and in the field with good results.

Field Measurement of Hydraulic Conductivity

Donnan, William W. / Aronovici, V. S.

Abstract

Field-type well points were then developed, using ordinary hardware pipe fitting. The field well points were then tested in the laboratory and in the field with good results.