RESEARCH ON THE CONSTRUCTION APPROACH OF URBAN TACTILE PAVING SYSTEM FROM THE PERSPECTIVE OF FACILITY DEMAND:TAKING VISUALLY IMPAIRED PEOPLE AS AN EXAMPLE
With the promulgation of the Law of the People's Republic of China on the Accessible Environment Construction,conducting detailed research on barrier-free design has become an important starting point for improving the quality of urban barrier-free environment.This study breaks through the traditional idea of barrier-free design as an auxiliary design,takes public service facilities and urban tactile paving as the objects,and explores the construction approach and design method of urban tactile paving system based on the activity patterns and facility demand characteristics of the visually impaired people.Through the random forest model and gravity model,the facility demand analysis and activity area prediction of the visually impaired people are carried out,and the system in the central urban area of Tianjin is identified and evaluated from three aspects:facility composition,activity type,and tactile paving layout.Combined with the gravitational path between the residence and the highly correlated facilities,the optimal layout plan and construction strategy of the tactile paving are proposed,aiming to guide the optimization of the urban barrier-free facility pattern and provide theoretical reference and technical support for the city to carry out barrier-free planning and design at the spatial level.
visually impaired peoplepublic service facilitiesactivity characteristicsgravitational pathtactile paving system
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