As an important part of the construction of"sponge cities",permeable concrete pavements have been widely promoted and used.Good water permeability is a prerequisite for its normal use.Under normal conditions of use,permeable concrete pavements can be blocked by various substances entering their internal structure,reducing the permeability of permeable concrete and affecting the normal use of permeable concrete pavements.It reviews the blockage phenomenon and specific measures to restore the permeability of permeable concrete pavements,as well as the current situation of using numerical simulation methods to study the blockage and recovery of permeable concrete pavements,which helps us to understand the blockage mechanism of permeable concrete pavements and make reasonable maintenance recommendations.
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