Author(s)

DMYTRO LEGEYDA

Abstract

Population growth and the associated reduction of cultivated land per person require new approaches to the organisation of urban supply. It also leads to urban sprawl, which takes land away from nature and creates insurmountable obstacles for nature. Urban densification leads to artificiality of nature inside cities and increases negative urban problems. The proposed concept of placing streets above ground should solve the problem of the city as a barrier to nature, allowing cities to expand at different levels with nature. Unlike mega-buildings, these structures are broken down into individual multifunctional modules clustered together by bridges that act as streets in the broadest sense of the word. Thanks to the sharing of resources between modules, even the loss of one of the modules does not spell disaster. Raising streets that will not be able to provide the existing capacity requires a radical reduction of movements, which is achieved by placing vertical trusses inside the modules and utilising the circular economy. The paper shows the adaptability of this concept to different climatic and geographical conditions. Particular emphasis is placed on adaptation in coastal conditions. The proposed organisation of the modules makes it possible to resist rising water levels. For example, flooding of the bases of some modules of the cluster by sea water and the associated loss of access to groundwater can be compensated by other modules of the same cluster and gives time for the construction of new modules remote from the sea. At the same time the functionality of the module can be reorganised, so that the lower floors occupied by aquaponics and flooded in new conditions can be reprofiled for seafood cultivation, and vertical farms located inside the module can change the types of cultivated products.

Keywords

sustainable city, street above ground, climate adaptation