Citation: | LI Hongzhao, LIU Changli, LYU Dunyu, LIU Songbo, ZHANG Yun, ZHUO Zijun. Remote sensing & engineering geology survey technology for detection of occupied space by urban building foundation[J]. Geological Bulletin of China, 2021, 40(5): 798-806. |
The foundation of urban building occupies and uses numerous underground resources of space.Therefore, it is essential and significant to use the information of underground space resources' three-dimensional distribution for the urban underground space utilization planning.Nevertheless, the information in this respect is often scattered among various engineering construction institutions, which makes them uneasy to obtain.In order to tackle the problem hard to get the access of some information about underground space occupied by building foundation, it is necessary to explore an efficient and accurate technology for detection.By referring to the calculation method of the rock foundation, a method was developed and advanced to calculate the space occupied by building a foundation.High-resolution remote sensing information was adopted to obtain relevant parameters of ground buildings, collect engineering and geological survey data, and analyze the relevant data to acquire geotechnical parameters.By combining the parameters obtained by remote sensing detection and engineering survey with the calculation method of the space occupied by building foundation, a set of detection technique with the combination of remote sensing interpretation and geological engineering was formed and developed to measure the space occupied by building foundation.The application results in Zhengzhou Airport Area indicate that the technology is convenient to operate, efficient, effective, and accurate.It can completely fulfill the needs of underground space utilization planning with broad prospects for promotion and application.
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Geometric relationship among sun, satellite, building and shadow
Stratigraphic profile of the study area
Underground space distribution of building foundation in the Zhengzhou airport area