Research on the Technology of Landscape Roof Soil-covered Grass Slope at Quzhou Sports Park
The landscape roof integrates the characteristics of soil-covered buildings and roof greening,using large artificial multi-dimensional complex curved surfaces as spatial carriers to connect the roof and the ground,forming a continuous vegetated surface that integrates the building roof with the landscape.Quzhou Sports Park is a representative case of large-scale landscape roof engineering.Its landscape effect relies on the design and construction of the grass slope,which must overcome difficulties such as the massive scale,complex slopes,coordination with the building structure,and environmental adaptability.This article focuses on the technical application research of the grass species and planting substrate selection,soil fixation system construction,and stormwater management system of the soil-covered grass slope of the large-scale landscape roof of Quzhou Sports Park,and has obtained a series of conclusions and achievements:planting Zoysia sinica is better than mixed grass species,and it is advisable to choose standard planting soil with the depth of 40 cm as the planting substrate;slope soil fixation improves the basic structure of the soil-covered grass slope by adding a technical support layer to the basic structure of the grass roof,and upgrades the geocell assembly technology to form a roof soil fixation system that divides the plane into zones and layered anti-slip sections;the stormwater management system must construct two drainage sub-systems:surface runoff drainage and underlying soil infiltration drainage,to form a drainage system that is closely integrated with the building structures and equipment.The completed effect of Quzhou Sports Park has effectively verified the reliability,effectiveness,and quality of the engineering application research results,and also provided feedback that can be used for reference in subsequent projects.
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