With the development of human civilization and economy and the progress of science and technology, we can feel the importance of energy more and more, but the construction industry, as an industry with high energy consumption, will cause a high waste of resources. Therefore, the strategy of energy saving and sustainable development has become an important topic at present, and green building design is considered as a feasible scheme. At the same time, the green building design scheme is also gradually launched. The purpose of green building is to promote the high harmony between man, nature and architecture, to promote the coordination of social benefits, economic benefits and environmental benefits, and to promote the sound, rapid and sustainable development of human society, national economy and ecological environment. Green building is a comprehensive application of scientific achievements such as contemporary ecology and architecture. We can build the building into a small ecosystem, providing residents with a natural, convenient, comfortable, dynamic and pollution-free green environment. The course of economic development at home and abroad can tell us that 2 1 century is a new period of transition from "black civilization" to "green civilization". On the basis of respecting traditional architecture, we advocate that green architecture will become the theme of architecture in 2 1 century. This paper discusses the application of green building in modern architecture through the relevant contents of Amster Solar Village, German Post Building, Hombush Bay and green building energy saving.
1 energy saving of green buildings
The energy saving of green building refers to reducing the utilization of resources. Energy saving of building equipment refers to the energy saving of buildings and the use and application of environmental protection materials. The purpose is to provide people with a comfortable, healthy and safe living environment, realize the efficient use of various energy sources in buildings and minimize the impact on the environment. Its core is to take environmental protection as the principle and pursue low energy consumption, high environmental protection and high efficiency, so as to ensure the maximum comprehensive benefits of construction quality, efficiency, safety and civilization. Green building is to combine with the surrounding environment and become an organic whole. When designing, we must consider the integration with the surrounding environment, economy, cultural climate and other factors to form an organic whole. In the green building design of modern buildings, it is best to use local materials to reduce the waste of resources, which can not only reduce the cost, but also reduce the environmental pollution caused by transportation, and also reduce the building-related resources, including land and water. In the process of design and construction, scientists have developed many new technologies for energy saving and building, and are still developing new technologies and monitoring the original technological achievements.
2 the application of green building
Green building refers to a building that saves resources, protects the environment, reduces pollution, provides healthy, efficient and applicable space for people and lives in harmony with nature during the whole life cycle of the building. With the progress of science and technology, the application of solar energy in life is more and more extensive. The following is an analysis of several means and examples based on solar energy in green buildings. 1) Amster Solar Village, Netherlands. Amster Solar Village, known as the largest solar residential area in the world, was built in 1994 and has been rebuilt and expanded many times since then. At present, the residential area has tripled, and more than 600 houses have been built, attracting more than 600 households to live here. The first measure of solar energy saving for green buildings: using power generation system to supply power for green buildings. The solar village is initiated by the Dutch government and energy companies, and the planned power generation capacity is 1.5 MW. The community mainly uses two power generation systems, namely BMBP and BIPV. BMBP is mainly used for daily power supply and household electricity, while BIPV is mainly used for public buildings, such as schools and businesses in communities.
The electric energy collected by solar panels of most houses in the community is uniformly transmitted to the local ordinary power grid to prevent the loss of green energy. The second measure is solar hot water system, which is mainly divided into independent and centralized solar hot water systems. This residential area is dominated by independent solar water heating system. The biggest advantage of this system is independent water supply and convenient management, but it also exposes some shortcomings, because its backwater system is unreliable, leading to the waste of hot water, and many pipelines are not in harmony with buildings. However, the heating and cooling equipment in the residential area is unique. Some materials on the ground and wall can release heating and air conditioning according to the hot and cold weather, making the house warm in winter and cool in summer. Finally, the light guide lighting system, in rural housing, it is not difficult to find that there are many places that use outdoor sunlight to introduce sunlight into indoor space through light guide pipes, which is a real energy-saving, environmental protection and green lighting method, but the cost of this method is high, and there are few cases of using this method for lighting in China at present. As an experiment of the Dutch government's "welfare" for the people, Amster Solar Village provides important reference and experimental value for the application of solar energy in global green buildings, although there are still many problems to be solved and optimized. As a demonstration project, the Netherlands has done a lot of things that should be done, which reflects the important research direction of solar energy application in green buildings in the future.
2) Deutsche Post Building. An important factor in investigating green buildings is energy consumption. An excellent green building should not only have excellent green energy sources and utilization, but also have certain energy-saving indicators and energy utilization rate. The construction of German Post Building is a model of energy saving and consumption reduction. The design was designed by Muerhy/Jahn and completed in 2002, aiming at creating a more efficient and comfortable office environment. The most successful part of the scheme is that the building adopts operable double-layer glass curtain wall, which is convenient for ventilation. This ingenious design reduces the energy consumption and economic budget of the whole building by 79%. At the same time, through the intelligent control system of natural ventilation, natural lighting and solar energy, the curtain wall achieves the balance between external conditions and internal comfort through mutual coordination, minimizes the required technical equipment, simulates the adaptation environment to human skin, and enables people to obtain the best working environment at work.
On the other hand, thanks to the concept of double curtain wall system and overall energy, the ventilation system of the whole building balances the air flow between the curtain wall gap and the space in the building. The office floor is ventilated by the gap between the two half shells, which saves the air supply shaft and the expensive maintenance cost every year. As for the materials used in the building, the architects also adopted the latest energy-saving materials with ulterior motives. For example, the curtain wall is provided with wind-proof, rain-proof and sun-shading behind the outer glass, and adopts argon-filled double-layer low-iron glass, which can not only ensure high transparency, but also reduce the external thermal radiation from entering the building, and can also cooperate with the manual control system to adjust the indoor lighting and temperature, which can be described as killing two birds with one stone.
3) Homebush Bay. An excellent green building not only needs the design concept of energy saving and consumption reduction, but also saves the land area as much as possible on the basis of consumption reduction, and uses efficient and environmentally friendly building materials, so as to stand out from the green building and set an example. Organizers of the 2000 Sydney Olympic Games set up the Olympic Village in Hombush Bay, with the aim of bringing all the stadiums, athletes' villages, journalists' villages and news centers of the Olympic Games into one area. In this way, athletes, journalists and visitors who come here can save the time of walking back and forth between venues, and can also connect various functions to achieve the purpose of exquisite cooperation. However, Humboldt Bay used to be the largest garbage dump in New South Wales, where 9 million m3 of domestic and industrial garbage was accumulated, and1760hm2 of land was seriously polluted. Therefore, it seems to be the most unwise choice to build the Olympic Village in Hombush Bay, but then the Sydney government proved them wrong with practical actions. The government adopts the method of burying garbage in situ, seals the pollution with clay layer as thick as 1m, and plants a variety of plants, which can play a good role in soil and water conservation, purifying water quality and air, and organizes tree planting activities to call for the participation of the whole people.
This measure finally solved the construction land of almost all Olympic villages, saved a lot of land resources, turned waste into treasure and controlled environmental pollution. Environmental protection, durability and material recycling are another major feature of the entire Olympic area. Most Olympic venues are designed from the perspective of construction cost and durability. The design is as simple as possible, which reduces a lot of building materials. At the same time, the detachable design means can ensure that it will not cause too much waste after use. Other permanent buildings take into account the characteristics of durability, reduce maintenance costs and increase service life. The building materials of the main venue of the Olympic Games are all the wastes left after the demolition of other buildings, which greatly reduces the cost. Most of the building wood of the shooting center comes from waste utilization. It is not difficult to see that in the 2 1 century when the environmental pollution is becoming more and more serious, the Sydney Olympic Village provides a perfect and practical reference scheme for people.
3 Conclusion
As an art, architecture is the main carrier of a warm home and a great proof of the progress and development of human history and culture. With the rapid development of science and technology, architecture in various historical stages has its significance and is also an important symbol of social progress. Therefore, I hope that all architects will keep a responsible attitude towards society and their relatives and friends and actively participate in self-improvement professional skills training under the trend of green building development.
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