Modeling Creep Fracture in Rock by Using Kelvin Discretized Virtual Internal Bond

<div>Convergence check of the mechanical model: (a) simulation specimen; (b) meshing scheme; (c) comparison between the analytical and the simulated strain evolution with time (the size means the ratio of the average element area to the specimen area: <span class="nowrap"><svg height="11.9413pt" id="M83" style="vertical-align:-0.3499002pt" version="1.1" viewbox="-0.0498162 -11.5914 96.9833 11.9413" width="96.9833pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M319 325C317 349 306 409 297 431C277 440 250 449 209 449C117 449 57 389 57 319C57 243 122 209 182 182C232 159 261 135 261 91C261 48 227 21 190 21C130 21 85 79 68 145L41 140C41 104 51 36 58 22C75 7 121 -12 172 -12C252 -12 337 35 337 126C337 195 286 231 210 262C166 281 126 304 126 348C126 388 152 417 191 417C240 417 274 378 294 318L319 325Z" id="g190-116"></path></g><g transform="matrix(.013,0,0,-0.013,4.771,0)"><path d="M135 536C164 536 186 560 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Advances in Civil Engineering

fig4

Figure 4

Figure 4: Modeling Creep Fracture in Rock by Using Kelvin Discretized Virtual Internal Bond 