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With the rapid development of construction industry and the large discharge of construction waste, there are many environmental problems. In order to formulate and implement the strategy of reducing management at the project level, it is necessary to estimate the amount of construction waste production accurately. Based on two methods, the building area method and the BIM method are used to estimate the amount of construction waste generated by a new residence, and a comparative model is established. According to the results, the method based on BIM can accurately estimate the amount of residential construction waste, improve the management level of residential construction waste and reduce environmental pollution.

With the global warming in the future, the meteorological data based on the Typical Meteorological Year (TMY) can no longer accurately reflect the changes in building energy consumption under future meteorological conditions. This paper selects the typical meteorological year (TMY) in the Yangtze River Delta region as the base year data and the monthly scale forecast data provided by the IPCC, and uses the “Morphing” method to predict hourly weather data in 2050 and 2080. The use of energy simulation software Energy Plus of the Yangtze River Delta region in a passive multi-storey residential building energy simulation, analysis of building energy performance under future climate change, projected changes passive residential building energy demand over the next 60 years of trend.

In the process of construction industry development, due to the slow development of information technology, low level of fine management, various working modes and other problems, it is difficult to form a benign closed loop among construction participants in the planning and decision-making stage, design stage, construction stage, production stage, operation and maintenance stage of the project. This paper proposes the concept of intensive management of intelligent construction based on BIM technology to realize the integrated development of the whole life cycle of buildings. Through studying the connotation, development status, research significance and function of intensive management of intelligent construction, the paper constructs an intensive management system of intelligent construction based on BIM technology, which realizes the independence and interoperability of each stage of the project, thus promoting the industrial upgrading and technology application of the construction industry and realizing sustainable development.