Research on creep damage model of coal and rock mass around hole with different moisture contents [PDF]
In order to explore the influence of water on the creep characteristics of coal and rock mass around the holes, the square samples with holes and different moisture contents were prepared, and the staged loading creep failure test was carried out to ...
ZHAO Jianhui, XU Hongyi
doaj +2 more sources
Nonlinear Viscoelastic–Plastic Creep Model Based on Coal Multistage Creep Tests and Experimental Validation [PDF]
The development of fractures, which determine the complexity of coal creep characteristics, is the main physical property of coal relative to other rocks.
Junxiang Zhang +3 more
doaj +2 more sources
Modified Nishihara Rheological Model considering the Effect of Thermal-Mechanical Coupling and Its Experimental Verification [PDF]
The effect of temperature and pressure, which play important roles in the mechanical properties of rocks during deep energy exploitation, has not been sufficiently studied in the previous rock creep models. In order to investigate thermal effect in creep
Xingang Wang +4 more
doaj +2 more sources
Research on Creep Model of Roadway Surrounding Rock Based on Variable Creep Parameters [PDF]
In order to study the creep behavior of surrounding rock of Huaying Coal Mine in Sichuan under different confining pressure characteristics, the triaxial creep test of sandstone was carried out by TAW-2000 test system.
LIU Changming, ZHANG Hong
doaj +2 more sources
Creep Properties of Mudstone Interlayer in Bedded Salt Rock Energy Storage Based on Multistage Creep Test: A Case Study of Huai’an Salt Mine, Jiangsu Province [PDF]
Salt rock is internationally recognized as an excellent medium for energy storage. However, most of the domestic salt mines are lacustrine laminated formations with mudstone interlayers, which have different creep characteristics to pure salt rocks ...
Jie Chen +6 more
doaj +2 more sources
Nonlinear Creep Behavior and Viscoelastic-Plastic Constitutive Model of Rock-Concrete Composite Mass [PDF]
The joint force deformation of rock-concrete composite structures is different from that of simple rock specimens or concrete specimens, such as the tunnel surrounding rock-lining concrete, dam foundations, and concrete.
Yang Liu +4 more
doaj +2 more sources
Creep constitutive model of logarithmic fractal structure derivative of deep hard brittle rock [PDF]
ObjectiveIn the field of geotechnical engineering, it has always been a key issue to deeply explore the deformation law of surrounding rock under long-term load and accurately reveal its creep deformation mechanism.MethodsIn order to achieve this goal ...
LIU Yipin +5 more
doaj +2 more sources
Improved Nishihara model considering accelerated creep cells. [PDF]
Improved Nishihara model considering accelerated creep cells.
Jiangbo Guo (825963) +3 more
core +1 more source
Considering engineering problems such as complicated stress and the difficulty in controlling large deformation while a tunnel passes through a soft rock stratum, a theoretical prediction model of convergence deformation of tunnel-surrounding rock is ...
Da Hu +5 more
doaj +1 more source

