Abstract
The urgency of the global environmental impact has made mankind pay more and more attention to the issue of sustainable development in all fields. The field of highway construction is no exception. Traditional highway construction has the characteristics of high investment, high energy consumption, wide pollution and strong destruction, and serious environmental impact, which is not conducive to the long-term development of society and the country. From the point of view of life cycle, combined with Current Events and Policies, green concept, Four-New Technology and consulting experience in highway construction of many years, this paper puts forward a three-stage green highway construction system of green design, green construction and green road maintenance. to promote the healthy, sustainable and green development of highway industry.
Highlights
With the continuous improvement of national economy and comprehensive national strength, socialism with Chinese characteristics has entered a new era
At the same time, combined with the characteristics of South China mountain area, it makes a systematic study on the evaluation of green road construction technology system in Guangdong Province, and its results will be of great significance for the guidance of green road construction in South China mountain area
In order to promote the construction of green roads, the Ministry of transport formulated the guidance on the implementation of green road construction in 2016.On the basis of in-depth summary of previous work results, combined with the current national strategy and the requirements of green traffic development, in accordance with the system theory and the thought of cycle cost, the guiding opinions are based on the project quality, safety, durability and service, adhere to the "two overall plans", grasp the "four elements", the guiding opinions promote the transformation and upgrading of highway construction and development by means of concept improvement, innovation guidance, demonstration drive and system improvement
Summary
With the continuous improvement of national economy and comprehensive national strength, socialism with Chinese characteristics has entered a new era. At the beginning of this century, the theme forums of "comprehensive, coordinated and sustainable development of China's transportation" and "taking the road of energy conservation and environmental protection, building green transportation" held in Beijing marked the new development stage of China's Green Road related research. The standard puts forward the generally accepted concept of green road life cycle and the definition of green design, green construction, green maintenance, etc., and at the same time, it gives 7 sub item Green Road evaluation methods, such as green concept, ecological environmental protection, resource conservation, energy conservation and low carbon, quality construction, safety wisdom and service improvement. In 2011, Zhang Qin proposed that green highway refers to a road that can save resources, protect environment and reduce pollution to the greatest extent, bring smooth, comfortable and safe experience for drivers and passengers, and coexist harmoniously with nature under the guidance of sustainable development concept in the whole life cycle of the road[2]. At the same time, combined with the characteristics of South China mountain area, it makes a systematic study on the evaluation of green road construction technology system in Guangdong Province, and its results will be of great significance for the guidance of green road construction in South China mountain area
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