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Standpipe test

The standpipe test is one of the simplest tests for measuring the water absorption characteristics of concrete.  A vertical tube is bonded onto the horizontal concrete surface to be tested.  The tube is then filled up with water to a certain level and then allowed to be absorbed into the concrete.  The amount of water absorbed per unit of time is recorded.  There are several variants of this test.

Acknowledgement: Concrete Society

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TR31 Permeability testing of site concrete