Research on economic life of building based on the principle of equipment renewal

Along with the rapid development of economy, the pace of China's urbanization is increased heavily.Due to the lack of long-term planning,the demolition of constructions phenomenon is serious, most of the buildings have been removing that not reach the design using age, resulting in a great deal of constructions trash, causing the environment adverse effects, and leading to the waste of resources.This paper analyzes the factors of the house life, and makes a simple exploration of the economic life of the house by the principle of equipment renewal.