## 5 Conclusions  
This paper took the foundation pit project of the Jiaojiang Xinhai Urban Shared Space Project in Taizhou, Zhejiang as its research object, and analyzed the monitoring data of the horizontal and vertical displacements of the top of the enclosure wall and settlement of the surrounding buildings during the construction of the foundation pit. The numerical simulation was conducted using Midas GTS software, and the measured values of typical working conditions were selected and compared with the simulated results to verify the scientific design of the foundation pit support structure. Three main conclusions were obtained as follows:  
* The horizontal displacement of the enclosure wall in the middle of the pit is the largest, which requires extra support. The density of cross bracing impacts the horizontal displacement of the enclosure wall, with denser cross bracing resulting in smaller horizontal displacement of the enclosure wall, indicating a reasonable support configuration.  
Figure 11: Comparison of the curves between simulated and measured values of vertical displacement at the top of the enclosure wall.  
* The horizontal and vertical displacements of the top of the enclosure wall and the settlement of the buildings around the pit all increase gradually with the excavation process of the pit. Although they are all within the allowable limit, they approach it, indicating that the design of the support structure is at its optimal solution.
* The comparison and analysis of the measured value of the horizontal displacement of the enclosure wall and the numerical simulation results indicate that the two results cannot be completely consistent, but both show a trend of increasing and then decreasing, with the numerical simulation results being smaller. Furthermore, the measured horizontal displacement of the top of the enclosure wall follows a similar trend to that of the numerical simulation, albeit with the numerical simulation value being smaller. The measured value of the vertical displacement of the top of the enclosure wall has a large difference from the numerical simulation result. The results suggest that finite element numerical software is a feasible tool for simulating pit excavation, but the accuracy could be improved with real-time monitoring points for calibration.
* Comparing the in-site data of the top of the enclosure wall with the numerical simulation results, it can be seen that numerical simulation can effectively reflect the variation pattern of displacement, but the horizontal displacement in the numerical simulation needs to be corrected. It is recommended to use in-site data for correction.  
Conceptualization, H.H., S.W. and Q.Y.; Methodology, H.H. and J.L.; Validation, H.H., T.W. and J.Y. ([PERSON]); Formal Analysis, H.H. and X.S.; Investigation, J.Y. ([PERSON]), J.Y. ([PERSON]) and Q.Y.; Resources, H.H., S.W. and Q.Y.; Writing--Original Draft Preparation, J.L., X.S. and T.W.; Writing--Review & Editing, J.Y. ([PERSON]), H.H., S.W. and J.L.; Visualization, J.Y. ([PERSON]); Supervision, [PERSON] ([PERSON]); Project Administration, H.H. and S.W.; Funding Acquisition, H.H. All authors have read and agreed to the published version of the manuscript.  
This research was funded by the Natural Science Foundation of Zhejiang Province (LQ21E080003), \"Pioneer\" and \"Leading Goose\" R&D Program of Zhejiang (2022C03051, 2023C04033), Science and technology project of the Ministry of Housing and Urban-Rural Development (2020-K-026, 2021-K-125), Taizhou science and technology project (22 gyb07), and Science and technology project of Department of housing and urban-rural development of Zhejiang Province (2020-K-164).  
Not applicable.  
The data that support the findings of this study are available from the corresponding author upon reasonable request.  
The authors declare no conflict of interest.