Study On The Landscape Design Of Ground Protrusions In The Underground Public Space Of The Xingfu Forest Belt In Xi'an

With the decrease of urban construction land and the strict control of relevant policies,the rational and orderly development of underground space has become an inevitable trend of urban development.However,there are many disadvantages in the current underground space environment,such as the lack of natural light and natural ventilation.In order to improve it,the ground protrusions gush out of the ground.A large area of underground public space has been developed in the large-scale Xingfu forest belt of Xi'an City,which is followed by a large number of ground protrusions with many types and dense distribution.These ground protrusions not only occupy the green area,but also restrict the landscape layout to a certain extent.And they have a great negative impact on the environmental atmosphere,visual perception and local ecology of the Xingfu forest belt.Based on the above background,the main problem to be solved in this paper is how to affect landscape layout to the minimum and how to coordinate and integrate the ground protrusions with the ground landscape under the premise of satisfying their own functions.In response to the above problems,this article is guided by related theories such as Landscape Design Theory,Landscape Morphology Theory,and related norms and standards,combined with relevant literature and case studies,and mainly researches from the following aspects:Firstly,the reasons of occurrence,types and effects on landscape of ground protrusions in the underground public space are analyzed.Secondly,through the status investigation and social survey,the general characteristics of the ground protrusions in the underground public space of the Xingfu forest and the status of three types of ground protrusions in vertical transportation,underground lighting and ventilation and smoke exhaust are analyzed,and five problems are concluded: one is that dense ground protrusions restrict the landscape layout and landscape continuity is difficult to maintain;the other is a large number of ground protrusions occupying the area of green space,the passiveness of the landscape green is reduced;the third is the distribution of ground protrusions in various shapes and lacks a variety of treatment methods;the fourth is that the form and function of ground protrusions are poorly balanced and the facade design lacks aesthetics;the fifth is that the coordination among different disciplines is poor,and the landscape integrity is limited.Thirdly,the principles of landscape design of ground protrusions in underground public spaces are clarified.Aiming at the status quo of ground protrusions in underground public spaces,a specific strategy is proposed: first,to enhance aesthetics through cognition and application of design related factors.The second is to optimize the layout-integration with various elements and conduct integrated design.Third,integrate into the environment by dividing the types and adopt diversified methods: first,according to the layout characteristics of the ground public space in the underground public space,it is divided into two types: single and group.Monolithic design methods propose two design ideas of concealment and exposure.Monolithic concealment design methods include combining landscape elements,landscaping and water mist concealment;monolithic design methods include combining artistic modeling and becoming artistic sketches;group design methods include Merge and share,design motifs,co-construct designs,and more.Finally,the landscape design strategy of ground protrusions in the underground public space of the Xingfu forest belt is applied to practice.Through the research of this paper,the types and characteristics of the ground protrusions in the underground public space are summarized.Five design principles and three design strategies for ground protrusions in underground public spaces in the Xingfu forest belt are proposed.Three related factors of the landscape design of the ground protrusions in the underground public space are defined,and 7 types(15 kinds)of landscape design method of the ground protrusions in the underground public space of the Xingfu forest belt is put forward.It solves the problem of landscape design of the ground protrusion in the underground public space of the Xingfu forest belt,and has certain reference significance for the landscape design research of the ground protrusion in the future.