Table 3 Design of different stope exposure area simulation schemes.

From: Collaborative optimization of the Mathews stability graph method and numerical simulation for the limit exposure area in stope

Scheme number

Factors

Stope length (m)

Stope span (m)

Stope exposure area (m2)

1

30

10

300

2

12.5

375

3

15

450

4

17.5

525

5

20

600

6

40

10

400

7

12.5

500

8

15

600

9

17.5

700

10

20

800

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