Rely on technological innovation to improve the level of green construction?

How to rely on technological innovation to improve the level of green construction? Below, Zhongda Consulting will introduce relevant content for your reference.

The economic forms of human society have successively experienced three types: agricultural economy, industrial economy, and knowledge economy. Along with this, the evolution of energy consumption has gone through the development process from the natural environment, a small amount of energy consumption and carbon emissions to a large amount of coal and fuel oil carbon emissions. The massive consumption of natural resources has led to the increasingly poor natural environment, which is manifested in serious ecological environment pollution and rising global temperatures. As people's awareness of the importance of the environment deepens, low-carbon economy in the era of knowledge economy has become the common consciousness of people around the world. People strongly hope to improve the environment through global emission reduction and carbon limitation. Therefore, low-carbon economy is an inevitable trend in the progress of civilization. China's national conditions make energy conservation and low-carbon cycle the only way for economic development. At present, the contradiction between my country's economic and social development and resources and environment has become increasingly prominent, seriously restricting the sustainable development of society. Based on the specific national conditions of China with more people and fewer resources, the central government proposed to conserve resources as a basic national policy, develop a circular economy, protect the ecological environment, accelerate the construction of a resource-saving and environment-friendly society, and promote economic development that is coordinated with population, resources, and the environment. , with very strong practical relevance. Among all social production activities, the natural resources consumed by construction activities account for 40%; among all garbage, the garbage generated by construction activities also accounts for 40%. Therefore, the construction industry bears an unshirkable social responsibility in building a resource-saving and environment-friendly society. Building construction technicians should enhance their sense of social responsibility, continuously improve the level of green construction technology, and strive to provide scientific and technological support for building energy-saving construction enterprises. 1 Understanding of green buildings and green construction 1.1 The connotation of green buildings Current buildings have the following characteristics: ① Buildings consume the most energy throughout their lifespan; ② Buildings are the environment closest to human life; ③ Buildings are places of environmental pollution and also the environment Beautify the point. Green buildings should meet the following characteristics: ① A green building should be the one that consumes the least energy throughout its life and is the most environmentally friendly among multiple solutions that meet functional conditions; ② Green buildings are an inevitable requirement for low carbon, circular economy, and sustainable development; ③ Practical, economical and beautiful under possible conditions should be said to be the predecessor of green buildings. 1.2 The connotation of green construction As we all know, buildings are the environment closest to human life. Research shows that buildings consume the most energy during their lifetime. Therefore, building construction is the construction process of building entities that realize designed functions. Green construction is an integral part of green buildings, and green buildings are an important prerequisite for green construction. As an important stage in the life cycle of a building, green construction is a key link to achieve resource conservation, energy conservation and emission reduction in the construction field. Green construction refers to construction activities that maximize resource conservation and reduce negative impact on the environment through scientific management and technological progress while ensuring quality, safety and other basic requirements in engineering construction, achieving energy saving, land saving, water saving, Material saving and environmental protection (four saving and one environmental protection). Green, energy saving and environmental protection are the purposes of green construction. In accordance with the 3R principles of reduce, reuse and recycle, coordinate the conservation, recycling and reuse of resources and energy, reduce the consumption of resources and energy, and reduce the emission of pollutants , reduce the impact of buildings on the environment. Traditional construction is characterized by high investment, high consumption, high emissions, and low efficiency. In comparison, the characteristics of green construction include resource conservation, energy saving and consumption reduction, environmental friendliness, and economic efficiency. At the same time, good, fast, economical and safe are the traditional construction goals; land saving, water saving, energy saving, material saving and environmental protection are the green construction goals. Therefore, green buildings and green construction are not opposed to traditional buildings and construction. They are inheritance and development and a harmonious improvement in the new era. 2 The Road to Green Construction To implement green construction, we should implement relevant national, industry and local technical and economic policies based on the principle of adapting measures to local conditions. Green construction should be the embodiment of the comprehensive application of the concept of sustainable development in engineering construction. It does not just mean the implementation of closed construction during engineering construction, no dust flying, no noise disturbing the residents, planting flowers and grass around the construction site, and implementing regular watering These contents involve all aspects of sustainable development, such as ecological and environmental protection, resource and energy utilization, social and economic development, etc. Specifically include the following aspects. 2.1 Continuous education, promotion of concepts, conscious green construction actions are governed by thoughts, and thoughts are driven by concepts.

Therefore, green construction must start from the continuous education of all employees. Only by improving the green construction concept of all employees, only when corporate leaders pay attention to it and employees are conscious, can green construction be sustained and continuously improved. Green construction has a very rich connotation. To achieve green construction, we must think big and start small, and we must innovate construction concepts, construction techniques, construction equipment and construction technologies. Green construction must be an action taken by all employees of the enterprise. It is necessary to implement scientific management, improve the level of enterprise management, transform enterprises from passive adaptation to active response, and institutionalize and standardize the implementation of green construction. This will give full play to the role of green construction in promoting sustainable development, increase the economic effects of green construction, and increase the enthusiasm of contractors for green construction. Engineering and technical personnel must firmly establish the concept of green construction. Green construction is a resource-saving and environmentally friendly construction method. The concept of green construction has been deeply rooted in advanced construction companies and employees in Western developed countries. For example: Japan's Obayashi Group's annual environmental report discloses the company's CO2 emission control, construction waste reduction, toxic chemical control and green procurement to the public in order to win the trust of society and improve the corporate brand image. This approach is worth learning from. 2.2 Standardization, institutionalization, and improving the level of green construction management 1) Green construction technology depends on management to implement and guarantee Green construction management should be a comprehensive improvement of concepts and systems based on traditional construction management. 2) Management must be supported by an organizational system. The typical green construction organizational system is shown in Figure 1. 3) Standardization and institutionalization are the guarantees for long-term management. Green construction management should formulate a number of regulations based on summarizing experience and lessons, combined with the actual construction technology level and the actual situation of the enterprise, and propose a series of regulations that keep pace with the times through regular evaluation. Label warnings on regulations and establish standardized facilities. 4) Improve the green construction of the management system. Improve the green construction of the construction organization design. At least on the basis of good, fast, economical and safe, add the content of water saving, land saving, environmental protection and regeneration, and add corresponding technologies, corresponding measures and corresponding measures. Equipment selection. The general catalog of construction organization design should add chapters, and each sub-item should have green measures. 2.3 Comprehensive integration and optimization, continuously improve green construction technology, inherit, optimize and integrate traditional and practical construction technology, absorb, apply and re-innovate foreign green construction technology, and independently innovate advanced green construction technology. 2.3.1 Effective combination of traditional technology and new technology It should be pointed out that traditional technology has issues to further improve the green level. For example: the application of 0-negative tolerance (computer addition); the reduction and application of flooring materials; the reduction and elimination of precise leveling layers for construction measurements; the utilization of well point water, etc. Practice summary to improve the level of traditional practical green construction technology, and vigorously promote the ten new technologies in the construction industry released by the Ministry of Housing and Urban-Rural Development (2010): foundation foundation and underground space engineering technology; high-performance concrete technology; high-efficiency steel bars and prestressed technology; new Formwork and scaffolding application technology; steel structure technology; installation engineering application technology; building energy saving and environmental protection application technology; new building waterproofing technology; construction process monitoring and control technology; construction enterprise management information technology. The 10 new technologies all have certain effects such as good, fast, economical and safe, so they all have green construction significance. On this basis, the level of green construction should be improved. For example: pile side grouting; early form removal technology; high performance concrete; jacking, pushing and lifting assembled steel structures. 2.3.2 Traditional process innovation is an effective shortcut on the basis of absorbing and applying foreign advanced green construction technologies and then innovating and applying them according to China’s national conditions. For example: quick-release platform formwork, prefabricated insulated houses, etc. The following focuses on the innovative applications of the following technologies in my country. 1) Cover and excavation method for underground engineering. The cover and excavation method is to excavate downward from the ground to a certain depth, then seal the top, and the rest of the lower project is constructed under the closed top cover. The main structure can be done in parallel or in reverse. When subway stations are built in busy urban areas, they often occupy roads and affect traffic. When a subway station is located on a main road, traffic cannot be interrupted, and certain traffic flow requirements need to be ensured, the cover and cut method can be used. Therefore, the cover and excavation method is a new engineering construction method adopted when underground projects need to pass through obstacles such as roads and buildings. Shanghai has been applied in many underground deep foundation pit projects, such as the Shanghai Bund Access Renovation Project. 2) Residential prefabricated assembly process The residential prefabricated assembly process adopts industrialized production methods. It is a house built by prefabricating part or all of the components of a house in a factory, then transporting them to the construction site, and assembling the components through reliable connections. It is called industrialized housing or industrialized housing in Europe, the United States and Japan. In recent years, it has been introduced into China and has achieved initial development.

3) Electromechanical pipeline prefabricated assembly technology Modern building electromechanical installation is developing in the direction of factoryization and assembly. Its basic feature is that all work is clearly divided into two parts: prefabrication and assembly. It is neither affected by weather nor restricted by civil construction and equipment installation conditions. It can shorten the construction period, speed up the construction progress, reduce the erection of high-altitude operations and auxiliary facilities for high-altitude operations, and ensure construction quality and safety.

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