5 edition of Penetration and permeability of concrete found in the catalog.
Includes bibliographical references.
|Statement||E. & F. N. Spon|
|Publishers||E. & F. N. Spon|
|The Physical Object|
|Pagination||xvi, 53 p. :|
|Number of Pages||58|
|2||RILEM report -- 16|
nodata File Size: 9MB.
Water Permeability by pressure 3. In fresh paste the flow of water is controlled by the size, shape, and concentration of the original cement grains. Shrinkage cracking can be controlled by using properly spaced contraction joints and proper steel detailing. Use of admixtures : Use of water proofing admixtures reduce permeability of lean mixes.
When reinforcement steel rusts the volume of iron oxides formed in 2-4 times greater than the steel corroded, which results in bursting stresses in the concrete surrounding the bar. therefore steel is no longer passivated by the alkaline concrete around it.
Hence, estimation of D e by air permeability for laboratory prepared concrete and actual structure exposed to marine conditions is possible by considering the effect of water content ratio. Improper foundation design may result in excessive differential movement within a structure.
We apologize for the inconvenience.
From the observations, when estimating the chloride ion apparent diffusion coefficient by permeability coefficient, it is necessary to take into account at least the cement type and curing conditions.
Shape and size of member 4.