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- Title
Double Exponential Prediction Model for Surface Subsidence Distribution Due to Foundation Pit Excavation.
- Authors
Na Li; Wei Wang; Fang Zhang; Zhang Chen
- Abstract
Subsidence of the surrounding surface after foundation pit excavation plays an important role in ensuring the engineering safety. The mathematical model for surface subsidence distribution was studied. The basic rules and mathematical distribution characteristics of surface subsidence were revealed and the traditional mathematical models were analyzed. Double exponential model (DE model) for surface subsidence distribution was proposed. By the fitting contrast of measured data between two project cases, it shows that DE Model is in good agreement with the measured data with the average fitting error of 5% and 13%. Compared with the traditional composite linear-exponential model, the fitting errors of the DE model are reduced by 34% and 16%, respectively.
- Subjects
EARTH movements &; building; EXCAVATION; MATHEMATICAL models
- Publication
Metallurgical & Mining Industry, 2015, Issue 9, p429
- ISSN
2076-0507
- Publication type
Article