Risk Analysis and Control Measures for Slurry Shield Tunneling Diagonally under an Urban River Embankment

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td class="align_left">Distance</td><td class="align_center">Additional stress</td><td class="align_center" colspan="2">Not considering <svg height="9.52604pt" id="M20" style="vertical-align:-3.38245pt" version="1.1" viewbox="-0.0498162 -6.14359 11.9958 9.52604" width="11.9958pt" 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="M548 455L523 469C505 448 490 439 461 439C416 439 374 447 316 447C144 447 23 310 23 161C23 47 89 -12 179 -12C312 -12 429 106 429 244C429 303 419 344 368 386L371 388C404 383 440 378 474 378C507 378 530 411 548 455ZM350 274C350 191 308 25 198 25C144 25 108 75 108 157C108 264 170 395 276 395C296 395 320 384 333 360C347 334 350 316 350 274Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,6.76,3.132)"><path d="M481 445L456 468C426 437 403 427 388 427C372 427 356 428 302 438C256 447 221 451 187 451C159 451 130 428 105 384C93 363 80 340 65 305L96 290C122 342 149 381 193 381C216 381 267 377 294 374S346 372 365 376L75 105C37 70 24 35 24 16C24 2 30 -5 35 -8C42 -8 46 -6 48 -2C58 14 75 35 90 41C102 46 116 46 147 32C200 8 267 -21 298 -21C347 -21 390 12 448 126L420 151C369 77 338 56 311 56C287 56 249 68 212 81C180 92 149 100 127 98C212 172 353 308 413 372L481 445Z"></path></g></svg></td><td class="align_center" colspan="2">Considering <svg height="9.52604pt" id="M21" style="vertical-align:-3.38245pt" version="1.1" viewbox="-0.0498162 -6.14359 11.9958 9.52604" width="11.9958pt" 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="M548 455L523 469C505 448 490 439 461 439C416 439 374 447 316 447C144 447 23 310 23 161C23 47 89 -12 179 -12C312 -12 429 106 429 244C429 303 419 344 368 386L371 388C404 383 440 378 474 378C507 378 530 411 548 455ZM350 274C350 191 308 25 198 25C144 25 108 75 108 157C108 264 170 395 276 395C296 395 320 384 333 360C347 334 350 316 350 274Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,6.76,3.132)"><path d="M481 445L456 468C426 437 403 427 388 427C372 427 356 428 302 438C256 447 221 451 187 451C159 451 130 428 105 384C93 363 80 340 65 305L96 290C122 342 149 381 193 381C216 381 267 377 294 374S346 372 365 376L75 105C37 70 24 35 24 16C24 2 30 -5 35 -8C42 -8 46 -6 48 -2C58 14 75 35 90 41C102 46 116 46 147 32C200 8 267 -21 298 -21C347 -21 390 12 448 126L420 151C369 77 338 56 311 56C287 56 249 68 212 81C180 92 149 100 127 98C212 172 353 308 413 372L481 445Z"></path></g></svg></td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left"><i>x</i> (m)</td><td class="align_center"><span style="width: 11.9958ptpx;"><svg height="9.52604pt" id="M22" style="vertical-align:-3.38245pt" version="1.1" viewbox="-0.0498162 -6.14359 11.9958 9.52604" width="11.9958pt" 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="M548 455L523 469C505 448 490 439 461 439C416 439 374 447 316 447C144 447 23 310 23 161C23 47 89 -12 179 -12C312 -12 429 106 429 244C429 303 419 344 368 386L371 388C404 383 440 378 474 378C507 378 530 411 548 455ZM350 274C350 191 308 25 198 25C144 25 108 75 108 157C108 264 170 395 276 395C296 395 320 384 333 360C347 334 350 316 350 274Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,6.76,3.132)"><path d="M481 445L456 468C426 437 403 427 388 427C372 427 356 428 302 438C256 447 221 451 187 451C159 451 130 428 105 384C93 363 80 340 65 305L96 290C122 342 149 381 193 381C216 381 267 377 294 374S346 372 365 376L75 105C37 70 24 35 24 16C24 2 30 -5 35 -8C42 -8 46 -6 48 -2C58 14 75 35 90 41C102 46 116 46 147 32C200 8 267 -21 298 -21C347 -21 390 12 448 126L420 151C369 77 338 56 311 56C287 56 249 68 212 81C180 92 149 100 127 98C212 172 353 308 413 372L481 445Z"></path></g></svg></span></td><td class="align_center"><span style="width: 14.8874ptpx;"><svg height="15.3614pt" id="M23" style="vertical-align:-3.9253pt" version="1.1" viewbox="-0.0498162 -11.4361 14.8874 15.3614" width="14.8874pt" 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="M600 480C600 590 528 650 384 650H143L137 622C222 614 225 607 210 531L130 127C113 41 106 36 23 28L17 0H294L300 28C204 36 195 42 212 127L243 284L314 263C327 263 339 263 352 264C465 271 600 337 600 480ZM508 481C508 351 402 304 329 304C289 304 265 311 250 317L295 559C302 594 310 606 323 611C335 616 350 619 367 619C455 619 508 573 508 481Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,8.026,-5.741)"><path d="M310 541L304 571C290 586 211 619 185 610L80 76L131 52L310 541Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,6.656,3.784)"><path d="M54 437L27 408L31 397H101V103C101 37 94 32 30 26V0H266V25C187 33 180 36 180 110V397H288C299 404 304 428 298 437H180V477C179 562 190 610 203 630C214 647 230 659 256 659C289 659 318 641 337 622C346 612 355 612 364 619C374 627 380 635 383 643C388 655 387 667 378 678C362 697 333 710 299 712C260 707 225 689 189 659C135 613 119 563 112 541S101 490 101 458V437H54Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,9.404,3.784)"><path d="M518 50L491 51C452 54 444 60 444 110V444C429 441 405 437 377 434C348 430 314 427 287 426V403L323 397C356 392 365 386 365 333V99C331 66 293 51 257 51C212 51 169 75 169 164V299C169 366 169 413 172 444C156 441 128 437 101 433C75 430 50 427 29 426V403L57 397C82 391 90 386 90 333V137C90 29 147 -12 214 -12C241 -12 262 -4 291 13S342 48 365 65V-6L371 -12C390 -7 415 1 441 8C468 15 496 21 518 24V50Z"></path></g></svg></span></td><td class="align_center"><span style="width: 12.1472ptpx;"><svg height="15.2701pt" id="M24" style="vertical-align:-3.834pt" version="1.1" viewbox="-0.0498162 -11.4361 12.1472 15.2701" width="12.1472pt" 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="M600 480C600 590 528 650 384 650H143L137 622C222 614 225 607 210 531L130 127C113 41 106 36 23 28L17 0H294L300 28C204 36 195 42 212 127L243 284L314 263C327 263 339 263 352 264C465 271 600 337 600 480ZM508 481C508 351 402 304 329 304C289 304 265 311 250 317L295 559C302 594 310 606 323 611C335 616 350 619 367 619C455 619 508 573 508 481Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,8.026,-5.741)"><path d="M310 541L304 571C290 586 211 619 185 610L80 76L131 52L310 541Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,6.656,3.784)"><path d="M519 0V26C455 32 447 38 447 100V705L439 710C424 702 410 693 394 689C374 702 342 712 312 712C271 707 233 691 195 660C139 615 121 569 114 544C106 521 101 494 101 454V437H54L27 408L31 397H101V100C101 38 94 33 31 26V0H247V26C186 32 180 38 180 100V397H287C298 404 302 428 296 437H180V489C180 565 194 609 211 631C226 652 248 667 279 667C314 667 351 648 368 622V100C368 38 361 31 303 26V0H519Z"></path></g></svg></span></td><td class="align_center"><span style="width: 14.8874ptpx;"><svg height="11.9087pt" id="M25" style="vertical-align:-3.2728pt" version="1.1" viewbox="-0.0498162 -8.6359 14.8874 11.9087" width="14.8874pt" 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="M600 480C600 590 528 650 384 650H143L137 622C222 614 225 607 210 531L130 127C113 41 106 36 23 28L17 0H294L300 28C204 36 195 42 212 127L243 284L314 263C327 263 339 263 352 264C465 271 600 337 600 480ZM508 481C508 351 402 304 329 304C289 304 265 311 250 317L295 559C302 594 310 606 323 611C335 616 350 619 367 619C455 619 508 573 508 481Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,6.656,3.132)"><path d="M54 437L27 408L31 397H101V103C101 37 94 32 30 26V0H266V25C187 33 180 36 180 110V397H288C299 404 304 428 298 437H180V477C179 562 190 610 203 630C214 647 230 659 256 659C289 659 318 641 337 622C346 612 355 612 364 619C374 627 380 635 383 643C388 655 387 667 378 678C362 697 333 710 299 712C260 707 225 689 189 659C135 613 119 563 112 541S101 490 101 458V437H54Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,9.404,3.132)"><path d="M518 50L491 51C452 54 444 60 444 110V444C429 441 405 437 377 434C348 430 314 427 287 426V403L323 397C356 392 365 386 365 333V99C331 66 293 51 257 51C212 51 169 75 169 164V299C169 366 169 413 172 444C156 441 128 437 101 433C75 430 50 427 29 426V403L57 397C82 391 90 386 90 333V137C90 29 147 -12 214 -12C241 -12 262 -4 291 13S342 48 365 65V-6L371 -12C390 -7 415 1 441 8C468 15 496 21 518 24V50Z"></path></g></svg></span></td><td class="align_center"><span style="width: 12.1472ptpx;"><svg height="11.8174pt" id="M26" style="vertical-align:-3.1815pt" version="1.1" viewbox="-0.0498162 -8.6359 12.1472 11.8174" width="12.1472pt" 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="M600 480C600 590 528 650 384 650H143L137 622C222 614 225 607 210 531L130 127C113 41 106 36 23 28L17 0H294L300 28C204 36 195 42 212 127L243 284L314 263C327 263 339 263 352 264C465 271 600 337 600 480ZM508 481C508 351 402 304 329 304C289 304 265 311 250 317L295 559C302 594 310 606 323 611C335 616 350 619 367 619C455 619 508 573 508 481Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,6.656,3.132)"><path d="M519 0V26C455 32 447 38 447 100V705L439 710C424 702 410 693 394 689C374 702 342 712 312 712C271 707 233 691 195 660C139 615 121 569 114 544C106 521 101 494 101 454V437H54L27 408L31 397H101V100C101 38 94 33 31 26V0H247V26C186 32 180 38 180 100V397H287C298 404 302 428 296 437H180V489C180 565 194 609 211 631C226 652 248 667 279 667C314 667 351 648 368 622V100C368 38 361 31 303 26V0H519Z"></path></g></svg></span></td></tr><tr><td class="align_left">−23.2</td><td class="align_center">2.0</td><td class="align_center">201.6</td><td class="align_center">179.7</td><td class="align_center">202.4</td><td class="align_center">180.4</td></tr><tr><td class="align_left">−11.6</td><td class="align_center">6.8</td><td class="align_center">201.6</td><td class="align_center">179.7</td><td class="align_center">204.5</td><td class="align_center">182.2</td></tr><tr><td class="align_left">0.0</td><td class="align_center">25.6</td><td class="align_center">201.6</td><td class="align_center">179.7</td><td class="align_center">212.6</td><td class="align_center">189.0</td></tr><tr><td class="align_left">12.5</td><td class="align_center">57.2</td><td class="align_center">246.0</td><td class="align_center">216.9</td><td class="align_center">226.2</td><td class="align_center">200.3</td></tr><tr><td class="align_left">23.7</td><td class="align_center">42.9</td><td class="align_center">246.0</td><td class="align_center">216.9</td><td class="align_center">220.0</td><td class="align_center">195.2</td></tr><tr><td class="align_left">29.5</td><td class="align_center">25.0</td><td class="align_center">201.6</td><td class="align_center">179.7</td><td class="align_center">212.3</td><td class="align_center">188.7</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Computation of slurry pressure (unit: kPa).</div>

Advances in Civil Engineering

tab2

Table 2

Table 2: Risk Analysis and Control Measures for Slurry Shield Tunneling Diagonally under an Urban River Embankment 