An Improved Form of 2D SPH Method for Modeling the Excavation Damage of Tunnels Containing Random Fissures

<div>Excavation damage counts under different fissure dip angles. 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356 193 356S283 314 283 262Z"></path></g></svg>.</span> (d) <span class="nowrap"><svg height="11.0031pt" id="M118" style="vertical-align:-0.2064009pt" version="1.1" viewbox="-0.0498162 -10.7967 38.9762 11.0031" width="38.9762pt" 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="M545 106L524 126C493 85 467 65 455 65C438 65 427 113 405 238C448 295 498 362 543 439L533 448L478 435C453 386 423 331 398 295H395C370 404 347 448 282 448C169 448 23 309 23 153C23 54 65 -12 128 -12C203 -12 283 70 339 155H341C360 29 380 -12 411 -12C444 -12 491 11 545 106ZM333 204C265 95 210 54 169 54C137 54 113 96 113 171C113 302 191 405 252 405C301 405 318 306 333 204Z"></path></g><g transform="matrix(.013,0,0,-0.013,11.017,0)"><path d="M535 323V373H52V323H535ZM535 138V188H52V138H535Z"></path></g><g transform="matrix(.013,0,0,-0.013,22.28,0)"><path d="M447 623H65C61 580 56 530 47 475H76C100 541 106 550 172 550H388C308 376 196 170 91 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Geofluids

fig8

Figure 8

Figure 8: An Improved Form of 2D SPH Method for Modeling the Excavation Damage of Tunnels Containing Random Fissures 