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Abstract

This paper investigates the effects of replacing cement with phosphorus slag powder on the mechanical properties, permeability, and pavement performance of pervious concrete. The results show that incorporating a certain amount of phosphorus slag powder as a partial replacement for cement in pervious concrete is feasible. When the replacement ratio of phosphorus slag powder is within 10%, it enhances the strength of pervious concrete. The optimal replacement ratio of phosphorus slag powder is 8%, achieving a compressive strength of 24.18 MPa, a void ratio of 15.37%, and a permeability coefficient of 2.45 mm/s, which meet the requirements for fully permeable pavement applications. However, the effective replacement rate of phosphorus slag powder is limited to below 10% when used as a cement substitute.

Publication Date

5-11-2023

DOI

10.14048/j.issn.1671-2579.2023.02.036

First Page

209

Last Page

212

Submission Date

March 2025

Reference

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