Pingyang Fan
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View article: The Establishment of a Rock Creep Model by Using Creep Bodies via an Improved Gene Expression Programming Algorithm
The Establishment of a Rock Creep Model by Using Creep Bodies via an Improved Gene Expression Programming Algorithm Open
Rock creep commonly appears in rock mass engineering, and it should be paid appropriate attention. In this paper, studies on creep constitutive models of rocks were reviewed, and it was found that the types of creep constitutive models can…
View article: Calibrating the microparameters of DEM models using the ant colony optimization algorithm and the optimal hyperparameters
Calibrating the microparameters of DEM models using the ant colony optimization algorithm and the optimal hyperparameters Open
Particle flow code (PFC) is a typical discrete element method (DEM) that is commonly used to simulate the mechanical behaviour of granular materials. However, the micro-parameters should be calibrated when the PFC is used for numerical sim…
View article: Optimal design of a multistage slope using the multi-verse optimization algorithm
Optimal design of a multistage slope using the multi-verse optimization algorithm Open
To ensure the stability of slopes, different methods have been used, with rock mass excavation being one of the most effective methods. This study aimed to provide a practical and optimal multistage slope design for rock mass excavation. T…
View article: Experimental Study of Rock-like Materials with Two Unequal Parallel Preexisting Fissures under Uniaxial Compression
Experimental Study of Rock-like Materials with Two Unequal Parallel Preexisting Fissures under Uniaxial Compression Open
Fissures substantially impact the engineering stability of rock masses, making research on rock masses with preexisting fissures essential for engineering activities. The development of specimens with different preexisting fissure types wa…