Course Catalogue.

After participating in this course, you will be able to:

• Analyze hydration mechanisms in cement and supplementary cementitious materials to optimize mass concrete performance.
• Implement strategies for managing temperature effects in concrete, ensuring stability in various environmental conditions.
• Evaluate and mitigate thermal stress, strain, and cracking in concrete structures.
• Design effective mix proportions and temperature control measures tailored for mass concrete applications.
• Inspect, diagnose, and address thermal cracks, applying advanced practices for prevention and control.

Description
Managing thermal effects is essential for the stability and longevity of mass concrete structures. Participants in this course will explore the factors contributing to heat evolution and temperature rise, including hydration and environmental exposure. Through a comprehensive study, you will gain insights into the properties of cementitious materials, thermal stress behaviours, and effective measures to prevent and address thermal cracking in large-scale concrete applications. Techniques for managing temperature, such as thermal insulation and cooling systems, will also be examined.

The course combines theoretical principles with practical approaches to equip professionals with effective temperature control and cracking mitigation strategies. Topics such as the environmental impacts on concrete, temperature effects, and regulatory guidelines will be explored in depth. With a focus on real-world applications, participants will analyze case studies, inspect current structures, and discuss real-life scenarios they’ve encountered in their careers.

By the end of the course, attendees will have a robust understanding of temperature management in mass concrete. You’ll be prepared to apply these methods to enhance structural integrity and align with industry standards, promoting the durability and safety of concrete structures across various climates.

Who Should Attend
This course is designed for professionals involved in designing, constructing, and maintaining mass concrete structures. Ideal participants include construction and structural engineers, project managers, technicians, technologists, facility managers, and architects. Engineers in training, construction inspectors, inspection officials, and anyone responsible for the quality and durability of concrete projects will benefit from the insights provided.

Additional audiences may include sustainability specialists, quality control professionals, and consultants who seek to enhance their understanding of thermal effects in concrete. The course is well-suited for individuals seeking to expand their expertise in temperature control and cracking prevention techniques for large-scale structures in varying environmental conditions.

Course Syllabus

Welcome, Introduction, Workshop Preview, Learning Outcomes, and Assessment Method

Day I

• Introduction: The significance of thermal stress in mass concrete
• Overview of cement and concrete
• Supplementary cementitious materials and chemical admixtures
• Heat of hydration and adiabatic temperature rise of concrete
• Thermal properties of concrete
• Relevant mechanical properties of concrete
• Autogenous, plastic, and drying shrinkage
• Thermal stress and thermal deformations in concrete
• Mechanisms of thermal cracking in concrete
• Mixture proportioning for crack avoidance
• Mixture design for conventional mass concrete
• Examples and case studies

Day II

• Theoretical considerations for temperature control in mass concrete

• Heat conduction in mass concrete
• Air temperature and temperature increments due to sunshine
• Temperature field of massive concrete structures in service
• Placing temperature and temperature rise of concrete
• Natural cooling of mass concrete
• Stress and strain relationship in mass concrete
• Thermal stress in slabs, beams, foundations, and massive structures (dams, etc.)

• Temperature control in concrete
• Pipe cooling of mass concrete
• Precooling systems for mass concrete
• Post-cooling systems for mass concrete
• Transport and placement of concrete
• Surface cooling and insulation of mass concrete
• MgO concrete for dam construction
• Construction of mass concrete in winter and summer
• Temperature control of concrete in a cold region
• Allowable temperature difference, cooling capacity, inspection and treatment of cracks, and administration of temperature control
• Key principles for temperature control of mass concrete
• Evaluation of Concrete in Existing Massive Structures for Service Conditions

Day III

• Concrete pavements
• Numerical modelling of massive concrete structure’s behaviour
• Cracking risk and regulations
• On-site monitoring and instruments for temperature measurements
• Sustainability aspects in mass concrete

Open Forum: Questions and Answers, Feedback on Achievement of Learning Outcomes

Concluding Remarks and Final Adjournmentv