Measurements of gas migration in concrete
Abstract:
This chapter describes a major programme to measure the gas permeability of concrete. The work was carried out by the author at the then Atomic Energy Research Establishment at Harwell for the application described in Chapter 14: to determine the effect of gas pressure on a nuclear waste repository. Because of the significant level of resources available in this programme, it was possible to determine the effect of different gases, moisture, reinforcement and construction joints to a significant level of accuracy.
Key words
gas permeability; moisture content; reinforcement; construction joints; Knudsen flow
6.1 Introduction
When gas is flowing through concrete, the flow rate may be significantly ...
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