Modelling chemical degradation of concrete during leaching with rain and soil water types

Atmospheric CO2 consumption by chemical weathering in North America

“…A reason could be that cities are built mostly of porous, carbonate-rich artificial rock that is of course subject to weathering (e.g. Jacques et al, 2010). Weathering of building material debris in urban and suburban soils could influence river chemistry (cf.…”

Decalcification of cracked cement structures

“…Concrete in nature is exposed to infiltrating water which is not in equilibrium with the cement mineralogy. This causes different chemical detrimental reactions such as carbonation, decalcification/leaching amongst others (see [1] for an overview or [2] for an example of these processes). The aggressive water percolates through the porous cement matrix as well as through micro-and macro-cracks within the matrix and leaches calcium from the cement minerals.…”

Effect of dissolved oxygen on corrosion properties of reinforcing steel

“…This pH value decreases, as groundwater infiltrates the concrete. Jacques et al 7 reported that the pH of pore solution can be divided into four stages based on the amount of water which flowed into the concrete structure. Stages 1 and 2 are characterised by high Na and K concentrations and Ca respectively.…”