The contents of this course include five recorded presentations from a webinar August 5, 2020.
• Roman marine concrete: What modern construction can learn from the Romans by Marie Jackson, Research Associate Professor, Geology and Geophysics, University of Utah
• Effects of total dissolved solids content on concrete properties by Shamsad Ahmad, Professor, Civil and Environmental Engineering, King Fahd University of Petroleum and Minerals
• Behavior of specialty binders mixed with seawater by Federica Bertola, Researcher, Buzzi Unicem
• Seawater-mixed concrete: Fresh and hardened properties by Usama Ebead, Professor, Civil and Architectural Engineering, Qatar University
• Sustainable concrete production employing secondary aggregates and seawater: Dyke blocks construction in Barcelona by Miren Etxerberria, Associate Professor, Civil and Environmental Engineering, Universitat Politècnica de Catalunya
Total Continuing Education Credit: 0.2 CEU (2.0 PDH)
Approved AIA and ICC
Access Period: 60 days
CEU (PDH) REQUIREMENTS:
To earn CEU (PDH) credit, individuals must purchase the webinar and attend the live webinar for the entire duration (or pass the quiz available after the webinar).
Detailed Webinar Instructions
Fresh water is a finite resource and it can be scarce in islands, deserts, and in many locations around the world after natural disasters. Considering increasing construction and reconstruction needs, replacing freshwater with seawater for concrete mixing has the potential to lead to a new class of sustainable concrete materials. Since seawater can corrode conventional steel rebar, seawater-mixed concrete should be used either in unreinforced applications or together with non-corrosive reinforcement. The latter possibility becomes more feasible with advances, cost reductions, and greater usage of non-corrosive reinforcement. This webinar consists of talks from ten speakers around the world on several topics of interest related to seawater-mixed concrete. The talks are intended to provide audience with a detailed understanding of the materials science, chemistry, and civil engineering of seawater-mixed concrete and cover topics such as Roman marine concrete, properties of low-CO2 binders mixed with seawater, fresh and hardened properties of seawater-mixed concrete, and performance of non-corrosive reinforcement in seawater-mixed concrete. In addition, field applications of seawater-mixed concrete are also discussed. This webinar will provide audience with an understanding of the state-of-the-art regarding seawater-mixed concrete and how and where it can be used to reduce freshwater consumption by the concrete industry.
Author: Jackson, Ahmad, Bertola, Ebead, Etxerberria
Categories: Durability, Materials, Mixture Proportioning
Formats: Online Learning
Table of Contents
1. Describe the history of Roman marine concrete and how such a material relates to modern seawater-mixed concrete.
2. Identify the fresh and hardened properties of seawater mixed concrete and how mixing water composition and salt content can affect such properties.
3. Explain the influence of seawater on the properties of novel calcium sulfoaluminate based systems and how to develop calcium sulfoaluminate and seawater formulations.
4.Evaluate the use of seawater and other sustainable materials such as secondary aggregates in a practical application such as dyke block construction.
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