Author(s)

Yi Zhu^1,2, ZhiCheng Bai^1,2, XiaoXia Zhao^1,2,*, MinJian Long^1,2, Wei Zhu^1,2

Affiliation(s)

¹China Construction Fourth Engineering Bureau Co., Ltd. Guangzhou 510000, Guangdong, China.

²China Construction Fourth Engineering Bureau Sixth Construction Co., Ltd. Hefei 230000, Anhui, China.

Corresponding Author

XiaoXia Zhao

ABSTRACT

This study proposes a series of innovative construction deployment and technical strategies for the large-scale deep foundation pit project adjacent to the subway in the Hangzhou Convention and Exhibition Project. The study focuses on how to efficiently promote the development of underground space while ensuring the safety and stable operation of subway facilities. Through a detailed analysis of the project profile and challenges faced, this study proposes a bilaterally symmetrical large-division overall deployment strategy of non-reserved area → ground protection area → reserved area → central corridor, as well as a construction deployment plan of exhibition hall area pipe piles → ground protection area cast-in-place piles → reserved area cast-in-place piles. In addition, the refined construction deployment of large-division small-block skipping combined with ultra-large temperature post-casting strips was adopted to effectively solve the technical difficulties in construction. The results show that these strategies improve construction efficiency, ensure the safety of subway operation, and provide feasible technical solutions for similar projects.

KEYWORDS

 Underground space; Deep foundation pit project; Subway protection; Construction deployment

CITE THIS PAPER

Yi Zhu, ZhiCheng Bai, XiaoXia Zhao, MinJian Long, Wei Zhu. Fine control technology for construction organization of super-large underground space adjacent to subway. Academic Journal of Architecture and Civil Engineering. 2024, 2(2): 17-21. DOI:  10.61784/ajace3005.

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