Project details



Sustainable concrete using seawater, salt-contaminated aggregates, and non-corrosive reinforcement

Start date: 01.11.2015


Coordinator: University of Miami



SEACON aims at demonstrating the safe utilization of seawater and salt-contaminated aggregates (natural or recycled) for a sustainable concrete production when combined with noncorrosive reinforcement to construct durable and economical concrete infrastructures. In addition to life-cycle assessment and life-cycle costing analyses used as driving tools for the assessment of the developed solutions, two real-size demonstration projects will be undertaken at locations with different (micro) climates to provide the opportunity for long-term performance monitoring.

SEACON uses the following steps:

  • Make it clear that chlorides are harmful for steel reinforcement, but they do not damage the concrete’s characteristics (i.e., workability, strength development, durability)
  • Assess through LCA and LCC durability performances and economical impact resulting from use of chloride contaminated aggregates, high chloride content cement and seawater on structural concrete
  • Work at reinforcement level (improved SSR bar and use of GFRP bar in concrete)
  • Demonstrate technology by means of two real-size field prototypes in two countries (Italy and Florida, USA)

List of achievements

Expected Outcomes:
Material related
* Mix-design of chloride contaminated concrete
* Know-how on performance (durability) of chloride containing cement and concrete
* Know-how on expected service life of GFRP and SSR bars embedded in chloride contaminated concrete

Infrastructure related
* Demo fields in Italy and USA (long-term monitoring)
* Sustainability and economics related:

LCA and LCC assessment
* Best practice and standardization needs for using SEACON technology in construction


Contact person: Dr. Antonio Nanni