Abstract
Short Retraction Notice The paper does not meet the standards of "Engineering". This article has been retracted to straighten the academic record. In making this decision the Editorial Board follows COPE's Retraction Guidelines. The aim is to promote the circulation of scientific research by offering an ideal research publication platform with due consideration of internationally accepted standards on publication ethics. The Editorial Board would like to extend its sincere apologies for any inconvenience this retraction may have caused. Editor guiding this retraction: Prof. David L. Carroll (EiC of ENG) The full retraction notice in PDF is preceding the original paper, which is marked "RETRACTED".
Highlights
Throughout tunnel construction, groundwater is usually discharged directly through the drainage system
Variation Law of Tunnel Seepage Flow The seepage flow of the tunnel directly reflects the loss of groundwater resources caused by tunnel construction
In this paper, based on the engineering background of weathered granite tunnel, according to the construction characteristics of mining method, the seepage model of equivalent continuous medium tunnel is established by using the finite element software ABAQUS, and the variation law of seepage field in the process of mining method construction of weathered granite tunnel is simulated, and the sensitivity of seepage field to various influencing factors in the process of construction is analyzed, and the following conclusions are obtained
Summary
Throughout tunnel construction, groundwater is usually discharged directly through the drainage system. Groundwater flows into the tunnel under the action of water pressure, resulting in adverse environmental effects, such as groundwater level drawdown and groundwater resource loss. Z. Shen groundwater level depends on the relationship between groundwater recharge and discharge. Groundwater recharge is determined by local meteorological and hydrological conditions. The groundwater recharge and discharge are in a dynamic equilibrium state, and the tunnel excavation increases the discharge of groundwater, which breaks the balance. Experience reveals that the mining method tunnel construction causes damage to the weathered granite surrounding rock and forms the excavation damaged zone (EDZ). The permeability of the surrounding rock in this area increases, resulting in an increase in the tunnel seepage flow and the negative effect of the groundwater environment
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