Journal
JOURNAL OF CLEANER PRODUCTION
Volume 263, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2020.121463
Keywords
Pervious concrete pavement; Periodic clogging; Periodic maintenance; Permeability; Clogging material
Categories
Funding
- National Key Research and Development Project [2018YFB1600100]
- Natural Science Foundations of Shandong Province, China [2017GSF22101, ZR2018MEE046]
- Fundamental Research Funds for the Central Universities [2018JC040]
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The pores of pervious concrete pavement will be clogged by sediment carried by rainwater runoff and atmospheric deposition on the pavement in the course of using, thus reducing the permeability of pavement. It is necessary to adopt effective maintenance measures to keep the permeability of the pavement. In this study, an improved single ring infiltrometer is used to measure the permeability of a newly constructed pervious pavement. In order to study the deterioration process of the pavement permeability under periodic clogging maintenance conditions, four different gradations of clogging materials and eight different maintenance methods were used for 32 test cases. Different maintenance methods are designed to find the best combination, including different pressure wash, sweep + vacuum and pressure wash + vacuum. The study shows when the pressure wash is between 5 and 20Mpa, the maintenance effect has little difference, and the combination of pressure wash and vacuum suction has the best maintenance effect. (C) 2020 Elsevier Ltd. All rights reserved.
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