Concrete Continuous Non-destructive Carbonation Test And Carbonation Comprehensive Evaluation

The carbonation of concrete is an important part of the durability of concrete, concrete carbonation depth study of great significance not only to solve the durability of concrete under atmospheric conditions, can also be avoided whenever due to reinforcement corrosion of reinforced concrete structural failure in order to achieve China’s construction industry health and safety development, promote social stability and harmony.This paper summarizes the experience of their predecessors on the basis of a new test of concrete carbonation depth and carbonation apparatus of the invention applicable to this method. This new method of carbonation test deficiencies and shortcomings of the previous method of testing concrete carbonation improved to achieve a continuous the carbonation way lossless concrete specimens, to avoid the series of break-shaped specimen making the carbonation depth value measured more accurately, the result is more convincing. In addition, based on experimental data, the use of computers nonlinear curve fitting software to calculate the exact value of the classic formula of the carbonation of concrete carbonation according to index. Carbonation of concrete law derived in this way, consistent with previous experience, particularly for this test concrete specimens the appearance of special design, but also on specimen size on carbonation of concrete made instructions. Combination of experiment and theory, summed up the rapid carbonization of continuous non-destructive testing technology procedures, can provide a good guide to the carbonation test.Carbonation of concrete, using the gray theory and cluster theory, a combination of the gray optimal clustering model to the comprehensive evaluation of concrete carbonation. Factors affect the carbonation of concrete analysis, the index system and set the corresponding weight, Finally, the gray optimal clustering model to a comprehensive evaluation to establish a detailed and complete evaluation system, and gives a part of this system main program code.