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Type C Accelerating Admixtures From Formulation to Field

Applications, Troubleshooting & Case Studies

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Type C Accelerating Admixtures - From Formulation to Field: Applications, Troubleshooting & Case Studies is the fourth volume in the authoritative Concrete Chemical Admixtures series by Dr. Mostafa Ebrahim, a globally recognized expert in polymer additives and concrete chemistry. This practical, science-driven guide delivers essential knowledge on Type C admixtures-critical tools for reducing setting time and accelerating early strength gain in modern concrete. Targeted at engineers, contractors, technologists, and construction professionals, the book addresses key challenges in cold-weather concreting, precast production, fast-track construction, and emergency repairs. It provides a clear understanding of accelerator types, including chloride-based (e.g., calcium chloride), non-chloride (nitrates, formates), and advanced organic systems (e.g., triethanolamine), explaining their chemical mechanisms, hydration kinetics, dosage optimization, and compatibility with cements, SCMs (like fly ash and slag), and other admixtures such as HRWRs and viscosity modifiers. A major strength is its focus on real-world performance. Detailed case studies from bridge repairs, tunnel linings, high-rise pumping, and mass pours illustrate how to diagnose and resolve issues like flash set, inadequate acceleration, thermal cracking, and slump loss-using field tests such as ASTM C403, maturity monitoring, and strength profiling. The book also covers best practices in batching, equipment use (including automated dispensers), mix design integration, and real-time quality control. Emphasis is placed on safety, corrosion prevention (especially with chloride-based accelerators), sustainability, and compliance with international standards like ASTM C494, EN 934-2, and ACI 212.3R. As part of Dr. Ebrahim's acclaimed series, this volume bridges molecular science and field application, offering both a technical reference and a hands-on manual. It empowers professionals to achieve faster, stronger, and more durable concrete-meeting the speed, safety, and sustainability demands of modern construction.

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Dr. Mostafa Ebrahim, a distinguished expert in the field of plastic additives, brings a wealth of knowledge and experience to this book. With a PhD in Chemistry and over two decades of hands-on experience as an additives formulator and consultant, Dr. Ebrahim has dedicated his career to the study and application of additives in the realm of additives and plastics. Throughout his academic and professional journey, Dr. Ebrahim has cultivated a deep understanding of the intricate chemistry behind plastic additives. His expertise spans a wide range of additives, including stabilizers, anti UV and antioxidants, fire retardants, properties modifiers, pigments, and many others. His comprehensive knowledge of additive interactions and his effects on plastic properties has made him a sought-after consultant in the industry. Dr. Ebrahim has contributed significantly to the advancement of plastic additives through his extensive research, innovative formulations, and practical solutions. His work has not only improved the performance and functionality of plastic materials but also addressed critical environmental and regulatory considerations associated with additive usage. As a seasoned formulator, Dr. Ebrahim has successfully developed tailored additive formulations for various industries, ranging from packaging and automotive to electronics and construction. His deep understanding of additive selection, compatibility, and processing techniques has enabled him to create optimized solutions that meet specific performance requirements and industry standards. Beyond his technical expertise, Dr. Ebrahim is also passionate about knowledge sharing and education. he has conducted numerous seminars, workshops, and training sessions, empowering professionals in the field to leverage the potential of plastic additives effectively. His ability to communicate complex concepts in a clear and accessible manner has earned him recognition as an excellent consultant and reference in the field.