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Rowe (Hydraulic) Consolidation Test System

The hydraulic consolidation system (Rowe Cell system) is used because of its multiple drainage (up to eight conditions) options as well as the capability to test large diameter samples using water pressure on a flexible diaphragm. Furthermore, free strain and equal strain can be applied on the top of the sample through a flexible platen or a rigid one.

The FlowTrac flow pumps automate the entire consolidation test using conditions specified, with typical completion in 24 to 48 hours. The system automatically initializes, back pressure saturates, and consolidates incrementally without intervention by the user.

 

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Description

The hydraulic consolidation (Rowe Cell) method incorporates stress-controlled loading similar to that of incremental consolidation (ASTM D2435) for determining the extent and rate of consolidation of soil but uses water pressure as opposed to a load frame. The advantages of hydraulic consolidation include multiple drainage options for measurement of pore-water pressure, testing of large diameter samples to reduce the effect of structural viscosity, and lessening of the effects of vibration found with loading frames.

This method is often considered better for simulation of field conditions.
Lab Testing