隧道及地下工程低碳可持续发展现状与思考

Current Situation and Reflections on Low-carbon and Sustainable Development of Tunnels and Underground Engineering

隧道及地下工程是我国工程建设行业的重要部分,厘清我国隧道及地下工程的可持续发展现状和面临的关键挑战,对抓住行业高质量发展的破解点、赋能行业绿色升级具有重要意义。对此,文章首先回顾了隧道及地下工程可持续发展的相关政策和发展历程,探索行业可持续发展的关键转折点。其次,基于全寿命周期视角,阐述了我国隧道及地下工程在统筹规划、绿色材料应用、绿色施工工法、智能低碳运维、工程废料资源化利用六个方面的可持续发展现状。最后,提出我国隧道及地下工程可持续发展面临的挑战,并给出相应的建议:(1)借助数字化技术,突破规划信息不全面壁垒;(2)持续研究新材料,增强结构抗扰性和防水性;(3)结合数字孪生技术,提升施工工序智能化水平;(4)基于工程物联网,加强工程监测智能化感知;(5)改良工艺和设备,提高建废利用率和附加值。研究以期为我国工程建设行业实现产业增值和绿色发展的良性循环提供有用的见解。

Tunnels and underground engineering are vital components of China's construction industry.Clarifying the current status of sustainable development and the key challenges faced by tunnel and underground engineering in China is of great importance for unlocking the potential for high-quality development of the industry and enabling a green transformation.To this end,this paper first reviews the relevant policies and development history of sustain⁃able development in tunnel and underground engineering,exploring the key turning points for sustainable develop⁃ment in the industry.Secondly,from a whole lifecycle perspective,it expounds the current status of sustainable de⁃velopment in China's tunnel and underground engineering in six aspects:comprehensive planning,application of green materials,green construction methods,intelligent low-carbon operation and maintenance,and the recycling of industrial wastes.Lastly,it presents the challenges faced by the sustainable development of tunnel and underground engineering in China and offers pertinent suggestions:(1)leverage digital technology to break through the barrier of incomplete planning information;(2)continue finding new materials to enhance structural disturbance resistance and waterproofing;(3)integrate digital twin technology to make construction processes more intelligent;(4)use the engineering Internet of Things to enhance intelligent monitoring of engineering;(5)improve processes and equip⁃ment to increase the utilization rate and added value of construction waste.This research aims to provide useful in⁃sights for achieving a virtuous cycle of industry value addition and green development of China's construction in⁃dustry.