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| A warning model for underground pipeline damage caused by adjacent excavation |
| LIN Mingyi1,2, LIU Fang1,2*, KONG Weijun1,2
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1. State Key Laboratory of Disaster Reduction in Civil Engineering, Shanghai 200092, China;
2. Key Laboratory of Geotechnical and Underground Engineering of the Ministry of Education, Shanghai 200092, China |
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Abstract In order to timely alarm the deformation and damage of underground water supply pipelines under the influence of the stratum deformation caused by the excavation of the adjacent foundation pit, and make up for the deficiencies of the existing municipal pipeline information management platforms in the intelligent early warning service module for the monitoring of adjacent construction disturbances, the theory of the displacement field calculation around the foundation pit and the underground pipeline failure criterion was introduced, based on which, a warning model and the corresponding digital procedure for the damage of deformed underground water supply pipelines utilizing the monitoring data of the foundation pit was established. The corresponding microservice module was developed based on the infrastructure Smart Service System(iS3)independently developed by Tongji University. The real-time deformation estimation and damage warning of underground water supply pipelines near the foundation pit were achieved in an engineering project, which provided a tool for the risk scenario deduction for the safety analysis on underground water supply pipelines in extreme cases.
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Received: 20 June 2022
Published: 20 December 2022
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