Modified stochastic medium prediction model for the deformation response of concealed underground stations under existing pipelines.

ABSTRACT: The underground pipeline network in the city is so intertwined that the concealed excavation of a metro station inevitably leads to a series of underground pipelines, causing settlement deformation and further risk of leakage. The existing theoretical methods for analysing settlement deformation are mostly for circular chambers, whereas metro stations have a nearly square cross-sectional form and different construction methods are very different, which have a greater impact on the deformation of the overlying pipelines. In this paper, based on the random medium theory and Peck's formula, the improved random medium model for predicting ground deformation is modified, the correction coefficients λ and η for the influence of different construction methods are proposed, the prediction model of

SUBMITTER: Zhang J 

PROVIDER: S-EPMC10276806 | biostudies-literature | 2023 Jun

REPOSITORIES: biostudies-literature