Title:
Service Life Prediction of High-Performance and Ultra‑High-Performance Concrete Structures with Corrosion-Resistant Steels
Author(s):
Ben Wang, Abdeldjelil Belarbi, Bora Gencturk, and Mina Dawood
Publication:
Materials Journal
Volume:
121
Issue:
6
Appears on pages(s):
85-96
Keywords:
corrosion; corrosion resistant steel reinforcement; HPC; service life prediction; UHPC
DOI:
10.14359/51742263
Date:
12/1/2024
Abstract:
This study reviewed, synthesized, and extended the service life
prediction models for conventional reinforced concrete (RC) structures
to those with advanced concrete materials (that is, high-performance-
concrete [HPC] and ultra-high-performance concrete
[UHPC]), and corrosion-resistant steel reinforcements (that is,
epoxy-coated [EC] steel, high chromium [HC] steel, and stainless-
steel [SS]) subjected to chloride attack. The developed corrosion
initiation and propagation models were validated using field
and experimental data from literature. A case study was performed
to compare the corrosion initiation and propagation times, and
service life of RC structures with different concretes and reinforcements in various environments. It was found that UHPC structures surpassed 100 years of service life in all studied environments. HPC enhanced the service life of conventional normal-strength concrete (NC) structures by over three times. In addition, the use of corrosion-resistant reinforcement prolonged the service life of RC structures. The use of HC steel or epoxy-coated steel doubled the service life in both NC and HPC. SS reinforcement yielded service lives exceeding 100 years in all concrete types, except for NC structures in marine tidal zones, which showed an 88-year service life.