What is the life cycle of a building?

Simply put, the whole life cycle of a building refers to the whole cycle process from material and building production, planning and design, construction and transportation, operation and maintenance to demolition and disposal (abandonment, recycling, etc.). ). It is divided into four stages, namely, planning stage, design stage, construction stage and operation stage. The whole life cycle management of a building is the whole process management of each stage of the life cycle of a building project, involving the contents of functional fields such as scope, schedule, cost, quality, procurement and communication.