Discrete element simulation of crushable soil
WebApr 12, 2024 · The deformation characteristics of crushable particle materials are analyzed through a series of cyclic loading tests conducted by numerical simulation. ... Discrete element method study of hysteretic behavior and deformation characteristics of rockfill material under cyclic loading ... Journal of the Soil Mechanics and Foundations Division, … WebApr 21, 2014 · This paper presents numerical results from a two-dimensional discrete element method (DEM) simulation study on the monotonic pile installation in crushable sands. The particle breakage was included in the model by setting a crushable zone around a pile that was filled with parallel-bonded agglomerates.
Discrete element simulation of crushable soil
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WebMay 25, 2015 · Computer simulations of crushable agglomerates were performed using the PFC 3D computer code, which adopts the distinct element method (DEM). Agglomerates were made by bonding elementary spheres in ‘crystallo-graphic’ arrays, and by giving each sphere an existence probability of 0·8. WebApr 4, 2013 · In this study, the fracture of individual silica sand particles was modelled by adopting the bonded particle model concept within the framework of the discrete element method (DEM). Individual ...
WebApr 1, 2013 · A discrete element method was used to study the evolution of particle crushing in a rockfill sample subjected to triaxial shear. A simple procedure was … WebJul 27, 2006 · The discrete element method has been used to model railway ballast. Particles have been modelled using both spheres and clumps of spheres. A simple procedure has been developed to generate clumps which resemble real ballast particles much more so than spheres.
WebAug 1, 2011 · Discrete element simulation of crushable soil Géotechnique, 53 ( 7) ( 2003), pp. 633 - 641 View Record in Scopus Google Scholar 4) J. Feda Notes on the effect of grain crushing on the granular soil behavior Engineering Geology, 63 ( 2002), pp. 93 - 98 Article Download PDF View Record in Scopus Google Scholar 5) WebThe long and large-diameter uncharged hole-boring (LLB) method is a cut-blasting method used to reduce vibration induced by blasting. This method typically involves creating an uncharged hole with a 382 mm diameter and drilling 50 m in the tunnel excavation direction at a time. This method is reported to provide relatively good vibration reduction and with …
WebSep 1, 2003 · Grain crushing and high-pressure oedometer tests simulated with the discrete element method. The present paper investigates the influence of …
WebApr 1, 2024 · The numerical sample consists of crushable stiff and soft grains (proxies for sand and shale) simulated with the discrete element method (DEM) coupled with the bonded-particle model (BPM). metric system line chartWebJan 9, 2003 · Computer simulations of crushable agglomerates were performed using the PFC3D computer code, which adopts the distinct element method (DEM). Agglomerates … how to adjust dodge ram headlightsWebFeb 1, 2024 · The breakage of calcareous sand particles is simulated in DEM with clumped particles using the octahedral shear stress crushing criterion. The macroscopic behaviors of crushable and uncrushable particles during shearing and at the critical state are compared. how to adjust door lockWebThe discrete element method (DEM) was proposed by Cundall in 1971; DEM establishes an explicit equation group based on the motion equation of each unit; according to Newton’s second law and constitutive relation, the equation group can be solved by time-step iteration. ... “Discrete element simulation of crushable soil,” Géotechnique ... metric system is based on multiples ofWebniiのコンテンツサービス. kaken - 科学研究費助成事業データベース; irdb - 学術機関リポジトリデータベース; nii-reo - 電子リソースリポジトリ how to adjust door gapWebSep 13, 2024 · By building a discrete element simulation platform for the model of the soil-throwing device after wheat was sown using a wide seed belt, the rotation speed of rotary blade shaft, the angle of the soil guide plate and the angle of the soil retaining plate were taken as variables, and the variation coefficient of the wheat-sowing depth and ... how to adjust door fitWebFeb 1, 2016 · A Discrete Element Method (DEM) model is developed to study the particle breakage effect on the one-dimensional compression behavior of silica sands. The ‘maximum tensile stress’ breakage criterion considering multiple contacts is adopted to simulate the crushing of circular particles in the DEM. metric system graph