Geophysical Monograph Series, Page 1-26., 2021 Exploring the links between Large Igneous Provinces and dramatic environmental impact
An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Richard E. Ernst +8 more
wiley +10 more sources
AC-IBFGS-Based Inversion Method for Estimating the Quasi-Viscoelastic Parameters of Arch Dams
IEEE Access, 2022 This article investigates an inverse problem for variable physical and mechanical comprehensive parameters. A back analysis method based on an improved BFGS (Broyden-Fletcher-Goldfarb Shanno-Newtonian iteration) and AC (adjustment coefficient) is ...
Hao Gu +3 more
doaj +1 more source
The effects of friction coefficient on the nonlinear behavior of an arch dam with jointed foundation [PDF]
Numerical Methods in Civil Engineering, 2021 This study aims at determining the influences of the friction coefficient on both the safety factor of the wedge based on the Londe method and the nonlinear behavior of an arch dam with a jointed foundation according to the finite element analysis.
Hasan Mostafaei +3 more
doaj +1 more source
Coupled thermal and structural analysis of roller compacted concrete arch dam by three-dimensional finite element method [PDF]
, 2010 This paper focuses on the development, verification and application of a three-dimensional nite element code for coupled thermal and structural analysis of roller compacted concrete arch dams. The Ostour Arch dam located on Ghezel-Ozan River, Iran, which
Abdulrazeg, Aeid. A. +4 more
core +1 more source
Complexity, 2018 Researches on dynamic responses of the arch dam under seismic waves were not systematic and perfect enough in published papers. They rarely proposed measures to improve the antiseismic performance of the arch dam under seismic waves.
Chenghua Fu, Hongbo Zhou, Yanfang Pan
doaj +1 more source
Cracking Risk and Overall Stability Analysis of Xulong High Arch Dam: A Case Study
Applied Sciences, 2018 It is of great significance to study the cracking risk, the overall stability, and the reinforcement measures of arch dams for ensuring long-term safety. In this study, the cracking types and factors of arch dams are summarized.
Peng Lin +3 more
doaj +1 more source
General displacement arch-cantilever element method for stress analysis of arch dam
Water Science and Engineering, 2009 Based on the general displacement method and the basic hypothesis of the trial load method, a new advanced trial load method, the general displacement arch-cantilever element method, was proposed to derive the transformation relation of displacements and
Hao Ren +3 more
doaj +1 more source
FEA of Effects Induced by Diurnal Temperature Variation on Downstream Surface of Xiaowan Arch Dam
Advances in Civil Engineering, 2021 In order to make clear the cracking reasons in arch dam of Xiaowan Hydropower Station during operation period, the approach to combine ANSYS with finite element program COCE-3D is adopted.
Huanhuan Li +3 more
doaj +1 more source
Optimization design of foundation excavation for Xiluodu super-high arch dam in China
Journal of Rock Mechanics and Geotechnical Engineering, 2015 With better understanding of the quality and physico-mechanical properties of rocks of dam foundation, and the physico-mechanical properties and structure design of arch dam in association with the foundation excavation of Xiluodu arch dam, the ...
Qixiang Fan, Shaowu Zhou, Ning Yang
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Deformation critical threshold estimation of Xiaowan ultrahigh arch dam with time-varying grey model
Water Science and Engineering, 2023 The structural behavior of the Xiaowan ultrahigh arch dam is primarily influenced by external loads and time-varying characteristics of dam concrete and foundation rock mass during long-term operation.
Er-feng Zhao +3 more
doaj +1 more source