DEVELOPING A STANDARD FOR GEOLOGICAL SUITABILITY EVALUATION OF URBAN UNDERGROUND SPACE: A CASE STUDY IN BEIJING

АУТОР(И) / AUTHOR(S): Hanhan He, Jing He, Tongming Fang, Fangzhen Li, Yiting Zhao

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DOI:  10.46793/ACUUS2025.8.3.59

САЖЕТАК / ABSTRACT:

The development of urban underground space (UUS) makes a significant contribution to urban sustainability (Bobylev, 2016; Broere,2016; Hunt et al., 2016; Wang et al., 2016). The subsurface, however, constitutes a sensitive geological environment where disturbances can result in long-lasting or irreversible impacts (Sterling et al., 2012; Li et al., 2016; Zhu et al., 2016). Therefore, a scientific geological evaluation of UUS resources prior to development is essential for informing strategic planning and ensuring sustainable use (Peng and Peng, 2018). This process involves a comprehensive analysis of geological data to assess the suitability of subsurface conditions, within a given depth, for development (Liu et al., 2011). As a densely populated megacity, Beijing increasingly relies on subsurface space to address urban pressure and enhance resilience. Despite numerous geological assessments of UUS (Huang et al., 1995; Wang and Zhu, 2006; Jiang et al., 2007; Cai et al., 2010; He et al., 2020; Sun et al., 2024), challenges such as a lack of consistent criteria and insufficient integration with urban planning remain. The former issue leads to fragmented evaluations based on varying frameworks, compromising the comparability of results. The latter is evident in a reactive, rather than proactive, application of geological assessments within the planning process. This reveals a vital research gap, the absence of evaluation criteria aligned with distinct planning stages (e.g., master and detailed planning). Developing a local standard may provide an effective way to address these issues.

КЉУЧНЕ РЕЧИ / KEYWORDS:

geological suitability evaluation, urban underground space, evaluation standard, urban planning

ПРОЈЕКАТ / ACKNOWLEDGEMENT:

This work was conducted in collaboration with the Standardization Center of the Beijing Municipal Commission of Planning and Natural Resources, Beijing Municipal Institute of City Planning & Design, and BGI Engineering Consultants LTD.

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