Macro-Micro Failure Mechanisms and Damage Modeling of a Bolted Rock Joint

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Monitoring point</td><td class="align_center">Maximum contact force/N</td><td class="align_center">Monitoring point</td><td class="align_center">Maximum contact force/N</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">a</td><td class="align_center"><span style="width: 39.7939ptpx;"><svg height="8.55521pt" id="M74" style="vertical-align:-0.2063904pt" version="1.1" viewbox="-0.0498162 -8.34882 39.7939 8.55521" width="39.7939pt" 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="M137 343C167 482 260 545 321 574C357 591 397 603 429 609L423 641C382 634 335 622 295 608C189 570 37 457 37 238C37 84 125 -12 242 -12C362 -12 447 89 447 209C447 311 374 393 267 393C247 393 226 386 204 376L137 343ZM227 337C318 337 361 256 361 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id="M76" style="vertical-align:-0.2063904pt" version="1.1" viewbox="-0.0498162 -8.34882 39.7939 8.55521" width="39.7939pt" 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="M384 0V27C293 34 287 42 287 114V635C232 613 172 594 109 583V559L157 557C201 555 205 550 205 499V114C205 42 199 34 109 27V0H384Z" id="g113-50"></path></g><g transform="matrix(.013,0,0,-0.013,6.24,0)"><path d="M113 -12C146 -12 170 11 170 46C170 78 146 103 114 103S58 78 58 46C58 11 82 -12 113 -12Z" id="g113-47"></path></g><g transform="matrix(.013,0,0,-0.013,9.204,0)"><path d="M153 550H386L412 615L406 623H120L82 318C104 327 142 338 184 338C294 338 347 275 347 187C347 112 305 39 221 39C160 39 119 71 97 89C88 97 80 96 71 90C59 80 50 67 49 57C48 45 52 36 66 23C80 9 123 -12 169 -12C221 -11 288 15 342 59C403 109 431 165 431 225C431 308 366 395 238 395C212 395 165 379 127 364L153 550Z" id="g113-54"></path></g><g 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Maximum contact force in the specimen at different monitoring points.

Advances in Materials Science and Engineering

tab4

Table 4

Table 4: Macro-Micro Failure Mechanisms and Damage Modeling of a Bolted Rock Joint 