From 65438 to 0969, Italian-American architect Paolo Sorelli combined ecology with architecture and put forward the concept of "green building" for the first time.
China's green buildings began in the 1990s, and developed rapidly during the 11th Five-Year Plan period, forming a relatively complete system in terms of policies, standards, technology and promotion. Although China's green building has made some development achievements, there is still a certain gap compared with developed countries such as Europe and America, and it is still in the primary stage of development. At the same time, the development of green buildings in China presents typical regional characteristics, with the developed eastern coastal areas developing rapidly, while the pace of development in the western region is relatively slow. In the process of green building construction, solar energy technology is one of the most widely used green technologies.
At present, integrating solar collectors into exterior wall design, balcony design and roof design, the integration technology of solar hot water system and building is very mature. In general, the payback period of this technology is 3-4 years, which is suitable for the installation and application of hotels, hospitals and houses. Even for high-rise buildings, there are still many technical system types to choose from, which has good applicability. In addition to solar energy technology, ground source heat pump technology is also one of the more common technologies in green buildings. Ground source heat pump is a system that can absorb energy from the earth, including soil, surface water, groundwater and other natural gas energy. It can absorb energy in winter and release heat in summer, and provide heating or cooling for buildings with the help of heat pump. Ground source heat pump technology is efficient and energy-saving, and will not produce environmental pollution. It can be used for both heating and public and residential buildings.
Developing green buildings can save energy and reduce carbon, reduce the use of non-renewable resources and benefit future generations. From a practical point of view, green building has become the standard of new buildings in the world. As a powerful country in science and technology and economy, we should also develop green buildings according to the new standards, which will not only improve the quality of buildings, but also improve the comfort of living.
The concept of green building design includes the following aspects:
First, save energy.
Make full use of solar energy, adopt energy-saving building envelope and heating and air conditioning to reduce the use of heating and air conditioning. According to the principle of natural ventilation, an air cooling system is set up to make the building effectively use the dominant wind direction in summer. The building adopts plane form and general layout adapted to local climate conditions.
Second, save resources.
In the design, construction and selection of building materials, the rational utilization and disposal of resources are considered. We should reduce the use of resources and try to make them renewable. Save water resources, including greening.
Third, return to nature.
The exterior of green building should emphasize the integration, harmony and dynamic and static complementarity with the surrounding environment, so as to protect the natural ecological environment.