Building energy conservation promotes sustainable building development?

With the development of society and the progress of economy, serious environmental problems and ecological destruction are followed, which seriously threaten the living environment of mankind. In view of this, all walks of life have put forward strategies and requirements for energy conservation, emission reduction, environmental protection and sustainable development, trying to solve the problem of resource destruction in economic development. As far as architecture is concerned, sustainable architecture has emerged as the times require, and has been highly concerned by the architectural community. Sustainable architecture refers to the integration of building materials, building structure, building scale, related building functions, economy, culture and other factors and concepts with the help of the concept and principle of sustainable development, so as to realize green architecture and ecology, and reduce the ecological damage and resource waste caused by architecture. This architectural concept is constantly recognized and understood by people in today's society, and a series of energy-saving measures, materials and architectural skills have emerged to implement the concept of sustainable development to the greatest extent.

First, the status of sustainable building development in China

Although the concept of sustainable architecture has been paid more and more attention in China, there are still many problems in the development of our country at this stage, which have not been widely promoted and the people concerned are relatively limited.

1. The construction cost has increased. Although sustainable buildings have high safety and can realize the good wishes of environmental protection, energy saving and emission reduction, compared with traditional buildings, the cost will also increase greatly. Compared with traditional buildings, sustainable buildings often borrow green materials as building materials, and these materials are often advanced in technology and expensive, which means that the cost of building materials for sustainable buildings will be significantly higher than that of ordinary buildings. For the obvious cost gap caused by high housing prices, most property buyers are discouraged. Based on this situation, investors often choose the traditional architectural model because of interest-driven, in order to maximize the interests, while ignoring the requirements of architecture for natural resources and environmental protection. This is determined by the reality of the primary stage of China's socialist development, as well as by high housing prices and limited consumer spending power. Therefore, although many people know the advantages of sustainable architecture, under the pressure of cost, they will still choose the traditional architectural mode, which makes sustainable architecture unable to be widely implemented and recognized in China.

2. Insufficient social demand In modern society, although people know that green building materials have obvious durability and safety, in essence, many people's understanding of the theory and practice of sustainable building is superficial, which has not formed obvious architectural trends and won wide acceptance, which directly restricts the development speed and process of sustainable building in China. The specific performance is that many people know about sustainable building materials, but they don't know what sustainable building materials are, the actual price of building environmental protection materials, and how to tell whether the purchased buildings use environmental protection materials. It is precisely because of people's vague understanding of the environmental protection of green buildings that many people are discouraged. On the other hand, many elderly people know little about sustainable buildings and like to follow the crowd to buy real estate. This reality leads to insufficient demand for the choice of environmentally-friendly buildings, so many real estate developers will not choose environmentally-friendly materials as the first choice for their own buildings, lest the sales of houses be blocked.

3. The gap between urban and rural areas is obvious. Another major problem of sustainable building development in China is the obvious gap between urban and rural areas. For many urban residents, residents will accept expensive sustainable buildings according to their own needs and awareness of safety and environmental protection, in order to respond to the call of sustainable development of the country and modern society and realize green development. However, for residents in rural areas, more attention is paid not to the sustainability and environmental protection needs of buildings, but to the actual value of buildings and their affordability. Unlike urban buildings, rural buildings are not built by real estate investors. In many cases, rural buildings are undertaken and built by farmers themselves. Although, compared with urban buildings, rural buildings have no real estate agent to extract the intermediate price difference, but they are faced with the problem of bearing all the construction costs themselves, so the use of rural sustainable buildings is very limited. Therefore, there are obvious differences between urban buildings and rural buildings in the use of sustainable buildings.

4. At present, the promotion is insufficient. Although people gradually realize the importance of environmental protection materials and the long-term benefit savings brought by using environmental protection materials, we can clearly find that the promotion of sustainable buildings at this stage is extremely limited. Specifically, although the state advocates the use of environmentally friendly materials and sustainable building construction, there is no clear policy support and promotion plan. For the construction industry, due to the limited purchasing power of consumers and the limited choice of construction methods by real estate investors, the construction industry is forced to meet the market demand and cannot better promote sustainable construction methods, which makes such construction methods not well promoted and applied in practice. Under this impetus, there is no obvious development and progress in sustainable development.

Second, the development of sustainable buildings in the building energy-saving measures

Based on the limitations of sustainable building development, the construction industry should continue to explore and practice the advantages of sustainable building, and prove that sustainable building is worthy of recognition with good practical results. This requires continuous improvement of energy-saving measures in the process of developing sustainable buildings.

1. Planning architectural style according to local conditions is the most effective way to save energy. From a large regional perspective, there are obvious differences in architectural styles between the north and the south. The weather in the south is humid, hot and rainy, so the window area is often small in construction to reduce the high temperature caused by long-term sunshine exposure. In the north, the weather is dry, the sunshine amount is fixed, and the windows are larger to get more sunshine time and sunshine amount. Therefore, when the architectural design style conforms to the regional characteristics of the two, it can effectively achieve the purpose of energy saving and avoid problems caused by the architectural design not conforming to the local regional characteristics.

Therefore, with the help of sustainable building mode with regional cultural characteristics, building energy conservation can be realized to a great extent, without the need to increase the cost with high environmental protection materials. This requires architects to have a sufficient understanding of the concept of sustainable architecture, make appropriate choices between architectural modeling and architectural regional culture, and avoid unnecessary waste caused by only pursuing their own ideal architectural style and ignoring the development of regional environment. However, this kind of architectural design, which only pursues architectural style regardless of actual geography, is the most fatal shortcoming and problem of most buildings at present. Therefore, architects must adhere to the basic principles and requirements of architecture, adhere to local conditions, and make due contributions to sustainable architecture.

2. Make full use of energy-saving building technology. In modern architecture, we can make full use of energy-saving building technology to realize the construction of sustainable buildings. Specifically, modern buildings can add insulation board materials to the external walls of buildings to ensure that rooms are warm in winter and cool in summer to the maximum extent, reduce the amount of coal used for heating in winter and electricity used for air conditioning in summer, and realize energy conservation, emission reduction and green buildings. Or install a solar water heater for each household in the building, and use solar heat to heat daily water, so as to reduce the phenomenon that users use electricity or natural gas to boil water and reduce resource consumption. Therefore, due to the wide application of energy-saving technology in modern buildings, we should try our best to find a good starting point for using energy-saving materials from multiple levels of buildings in order to minimize the daily consumption of resources by users. However, in this process, architects and real estate developers should pay attention to whether the application of energy-saving technologies is appropriate. They should not simply pursue energy-saving effects without considering the comprehensive performance of houses, but make full and reasonable use of energy-saving technologies to realize green and environmentally-friendly buildings.

3. Strengthening promotion and government support to improve building energy efficiency still needs government policy support and vigorous promotion and guidance in the development of sustainable buildings. The guiding role of the government is often stronger than social trends and advertisers' advertisements. In order to protect China's resources and alleviate the serious pollution problem in China, the government should increase its support, formulate corresponding policies to encourage energy-efficient buildings, and make people willing to choose to buy energy-efficient houses. For example, the government can give some subsidies to users who buy energy-efficient houses in the form of subsidies, thus forming a trend of buying energy-efficient houses, and then gradually reducing the amount of subsidies, gradually guiding people to change and transform their concept of buying houses, and increasing the construction of energy-efficient buildings and the promotion of building energy-efficient technologies.

Third, the conclusion

The development of today's society has caused people's exploitation of resources and increasingly serious damage to the environment, warning people to pay attention to the application of the concept of sustainable architecture in modern architecture, change the traditional architectural style, and make full use of building energy-saving skills to realize green buildings and environmentally-friendly buildings, so as to reduce the energy consumption of people's lives, truly respond to the call of the country, cater to the social development trend, and realize the sustainable development of buildings.

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