The book "Calculation of a single-chain portal support on deferrals" by B. L. Nikolaenko is a deep and fascinating study devoted to one of the key topics in the field of construction mechanics and design. In it, the author shares his knowledge and experience, offering readers not only theoretical foundations, but also practical recommendations that will help in the work of engineers and architects. This book discusses the construction of a single-chain portal support, which is an important element in the construction of bridges, buildings and other engineering structures. Nikolaenko analyzes in detail the principles of operation of such supports, their stability and reliability, as well as calculation methods that allow to optimize the design and ensure the safety of structures. Readers will be able to learn about various factors affecting the strength and durability of supports, as well as about modern approaches to their analysis. The book will be of interest not only to professional engineers and architects, but also to students of construction specialties who want to deepen their knowledge in the field of mechanics and design. It will become an indispensable tool for those who seek practical application of theoretical knowledge, as well as for researchers dealing with the issues of sustainability and reliability of building structures. The topics raised in the book cover a wide range of issues, ranging from the basics of mechanics to modern methods of analysis and design. Nikolaenko emphasizes the importance of taking into account all factors affecting the operation of supports, such as loads, climatic conditions and materials. This makes the book relevant and useful for everyone who works in the field of construction and design. The author's style is clear and accessible, which allows the reader to easily assimilate complex concepts. Nikolaenko uses many examples and illustrations, which makes the material more clear and understandable. His experience and knowledge in the field of engineering are evident in every section of the book, which emphasizes his authority as a specialist. If you are looking for literature on construction mechanics, the design of supports or just want to expand your knowledge in this area, "Calculation of single-chain portal support on pulleys" will be a real find for you. The book can be of interest to both experienced professionals and novice specialists, as well as students studying construction disciplines . In addition, if you are interested in topics such as bridge design, material mechanics or structural stability, you can also pay attention to other B. works. L. Nikolaenko, who continue to develop these important aspects of engineering. His books and articles are a valuable contribution to domestic and foreign literature on construction and mechanics, and they will help you not only in your studies, but also in your practical activities. Thus, “Calculation of single-chain portal support on the pulleys” is not just a training manual, but a real find for everyone who seeks professional growth in the field of engineering and construction. Immerse yourself in the world of accurate calculations and reliable designs with B. L. Nikolaenko, and you will discover new horizons in design and construction!