Study on early-age cracking control of concrete to ensure structure safety

Early-age deterioration of concrete due to cracking and higher maintenance cost for poor durability cause serious troubles to modern concrete structures. It is of great importance to control and monitoring the level of concrete thermal and mechanical characteristics. The process of hydration reaction increases with time resulting in the development of the deformation and other properties of the concrete. Concrete structures are characterized by a complex interaction of internal drying, external drying and thermal effects. The basic characteristics of concrete materials and structures have rapid changes. Several test methods and measuring devices are developed and introduced in this paper The suitable and effective test programs are designed to achieve the system data and system identification. The risk of cracking can be estimated for modern concrete structures applying the test results, so that it will ensure the structures safety and reliability as well as improve the durability of concrete structures.