Mathematical Statical Analysis & Reliability Research On The Basic Strength Features Of Recycled Concrete

The old buildings are overturned and the new buildings are built with the advancement of urbanized, and a large amount of concrete is consumed by new buildings; A large amount of construction waste is produced because old buildings are abandoned and city is dismantled and moved. Study on the recycled concrete is the best way to resolve these problems. In recent years, with most of the studies on waste concrete, experts who from both China and abroad concentrate on the aspects of recycled aggregate replacing natural aggregate.This article mainly carries on the statistical analysis and the reliability studies of the basic mechanical performance of recycled concrete.Carry out the mathematical statistic analysis deeply for the strength distribution discipline of recycled concrete compressive testing through collecting the experiment data book with different source and combining the related probability statistic knowledge. Compare with the difference in data of single source and different source. Discuss the mathematical statistic parameters and probability density function of recycled concrete compressive strength preliminary with a single source and different source. Build the random analogue test model with Monte Carto method in reliability theory. Carry out the contrast and checking for distribution curve of recycled concrete testing data and certain the distribution characteristic and model of recycled concrete compressive strength testing result with a single source and different source when the notable level a equals 0.05.Analyze the detecting methods of recycled concrete strength and certain the reliability index of recycled concrete with a single source and different source and the reasons of not reaching the strength index individually under different concrete grade standard. Analyze the main factors of affecting the reliability of recycled concrete. Finally, nonlinearity experience formula of recycled concrete compressive strength and related testing parametric is given making use of two different values and mathematical analysis theory and statistic conclusion.