X-ray CT based clogging analyses of pervious concrete pile by vibrating-sinking tube method
Pervious concrete piles (PCP) have high permeability and strength. During installation by
vibrating-sinking tube construction, liquified soil migrates into PCP, leading to clogging. To
study PCP clogging, model tests and X-ray computed tomography analyses were carried
out. The clogging depth, porosity, and excess pore water pressure dissipation were
characterized. The effect of geotextile on PCP anti-clogging was evaluated. The results
show an increase in target porosity and sampling depth significantly increased the PCP …
vibrating-sinking tube construction, liquified soil migrates into PCP, leading to clogging. To
study PCP clogging, model tests and X-ray computed tomography analyses were carried
out. The clogging depth, porosity, and excess pore water pressure dissipation were
characterized. The effect of geotextile on PCP anti-clogging was evaluated. The results
show an increase in target porosity and sampling depth significantly increased the PCP …
Abstract
Pervious concrete piles (PCP) have high permeability and strength. During installation by vibrating-sinking tube construction, liquified soil migrates into PCP, leading to clogging. To study PCP clogging, model tests and X-ray computed tomography analyses were carried out. The clogging depth, porosity, and excess pore water pressure dissipation were characterized. The effect of geotextile on PCP anti-clogging was evaluated. The results show an increase in target porosity and sampling depth significantly increased the PCP clogging depth. A preliminary model was proposed to evaluate the clogging of PCP. The results show that clogging can be solved by surrounding PCP with geotextile.
Elsevier
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