Creep analysis of an earth embankment on soft soil deposit with and without PVD improvement [PDF]
, 2017 In this paper, an anisotropic creep constitutive model, namely Creep-SCLAY1S is employed 10 to study the installation effects of prefabricated vertical drains (PVDs) on the behavior of a full 11 scale test embankment, namely Haarajoki embankment in ...
Bagheri, Meghdad +3 more
core +2 more sources
Non-stationary Nishihara model in the particle flow code
工程科学学报, 2015 In order to accurately simulate the whole process of rock creep and explore the generation and development of mircofractures from the meso-level,a visco-elastoplastic Nishihara rheological constitutive model is developed in the two-dimensional particle ...
YANG Zhen-wei +4 more
doaj +1 more source
A Nonlinear Creep-damage Constitutive Model of Mudstone Based on the Fractional Calculus Theory [PDF]
Journal of Petroleum Science and Technology, 2017 During the flood development in an oil field, the creep characteristic of mudstone is one of the important factors causing casing damage. In this study, based on the theory of fractional order differential and taking into account the creep damage ...
Zhang Jun, Zeng Jia
doaj +1 more source
Creep characteristics and model study of composite geomembrane with different film thicknesses
Yantu gongcheng xuebao, 2021 Through 90 days of creep tests, the creep laws of composite geomembrane at different thickness levels are compared and analyzed. The previous typical creep models are classified and compared with the creep test results.
YANG Wu 1, 2, SHI Ke-bin 1, 2, HE Jian-xin 1, 2, LIU Liang 1, 2, YANG Hai-hua 1, 2
doaj +1 more source
Simulation of the small punch creep test with consideration of variation of material properties [PDF]
, 2009 A new finite element model of the small punch creep test is described. The material constitutive relationship for creep considered is a simple Norton power law: in this study the exponent in the power law is varied for each element to simulate the random
Boyle, J., Mackenzie, D., Pan, W.
core
Creep characteristics and constitutive model construction of offshore soft soils
Journal of Traffic and Transportation Engineering (English ed. Online)The main objective of this study was to investigate creep characteristics and construct a suitable constitutive model for soft soils in offshore areas. Soft soil samples were obtained to evaluate the physical and mechanical properties.
Hainian Wang +5 more
doaj +1 more source
Creep constitutive law prediction via short-term evaluation using a small size testing method
Energy Reports, 2023 To efficiently assess the mechanical reliability and long-term durability of solid oxide fuel cells (SOFCs) and solid oxide electrolyser cells (SOECs), a suitable creep test method and prediction of the material response is necessary.
Yihui Huang +6 more
doaj +1 more source
Constitutive modeling for isotropic materials [PDF]
, 1984 The unified constitutive theories for application to typical isotropic cast nickel base supperalloys used for air-cooled turbine blades were evaluated.
Dame, L. T. +3 more
core +3 more sources
Review on the current state of developing of advanced Creep Damage Constitutive Equations for high Chromium Alloy [PDF]
, 2012 This paper presents a review of developing of creep damage constitutive equations for high chromium alloy (such as P91 alloy). Firstly, it briefly introduces the background of creep damage for P91 materials.
An, Lili +3 more
core +1 more source
EnergiesHydraulic fracturing is the main means for developing low-permeability shale reservoirs. Whether to produce artificial fractures with sufficient conductivity is an important criterion for hydraulic fracturing evaluation.
Shiyuan Li +7 more
doaj +1 more source