Abstract
According to the water environment protection requirements for the Expressway Project of Qiandao Lake Area, this research combines on-site investigation with experimental detection and analysis to sort out the pollution generation link during the project construction in a systematic and comprehensive manner, analyze the source of construction sewage and wastewater, proposes special measures for sewage and wastewater treatment in the production at the precast mixing plant, bridge construction and tunnel construction. The research has achieved the goal of satisfactory sewage discharge and zero sewage discharge in the construction area, effectively ensured the safety of the water environment in the lake area during the project construction, and laid a solid foundation for Qianhuang Expressway to become a “Green Highway” demonstration project initiated by the Ministry of Transport. CLC No.: U491 Document Code: B
Highlights
As extremely precious high-quality freshwater resources in China and strategic sources for drinking water in the Yangtze River Delta, the water bodies of Qiandao Lake and of the upper reaches of Xin’an River are vital to the water environment safety and ecological environment protection
Among the first “Green Highway” demonstration projects initiated by the Ministry of Transport, Qianhuang Expressway, with water environment safety protection as its characteristic, has given pioneering demonstrations in the environmental protection and water environment safety protection of highway construction in the reservoir area of China
By taking the construction of the Hengjiang Reservoir Extra Large Bridge in the Hengjiang Reservoir Water Source Protection Area in Jieyang, Guangdong as an example, She Mingxing [2] discusses the key points for environmental protection as well as water and soil conservation in the bridge construction of the water source protection area
Summary
As extremely precious high-quality freshwater resources in China and strategic sources for drinking water in the Yangtze River Delta, the water bodies of Qiandao Lake and of the upper reaches of Xin’an River are vital to the water environment safety and ecological environment protection. The ecological and water environments along the route of this section are sensitive, and there is a high requirement for safety level of the water environment To this end, among the first “Green Highway” demonstration projects initiated by the Ministry of Transport, Qianhuang Expressway, with water environment safety protection as its characteristic, has given pioneering demonstrations in the environmental protection and water environment safety protection of highway construction in the reservoir area of China. By taking the Nanyi Expressway passing through the Dongting Lake as an example, Zhang Yi [3] studied the sewage and wastewater treatment technology during the construction and operation periods to provide technical guarantee for the ecological safety of the water environment in the Dongting Lake area.
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