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Engineering project management based on multiple regression equation and building information modelling technology

Chunyi Yu
Chunyi Yu
 and 
Mohammed Abdulrazzqa
Mohammed Abdulrazzqa
   | Dec 27, 2021
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Published Online: Dec 27, 2021
Page range: 405 - 414
Received: Jun 16, 2021
Accepted: Sep 24, 2021
DOI: https://doi.org/10.2478/amns.2021.1.00087
Keywords
© 2021 Chunyi Yu et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

Fig. 1

Comparison of the predicted score trend of Eqs. (1) and (2) and the geological field score.
Comparison of the predicted score trend of Eqs. (1) and (2) and the geological field score.

Fig. 2

Equations (3), (4) prediction score trend and on-site geological score comparison diagram.
Equations (3), (4) prediction score trend and on-site geological score comparison diagram.

Equations (1), (2) score span table

Score span Equation (1) Equation (2)
Minimum 50.17 38.92
Max 61.46 77.46

Comparison table of Eqs. (2), (4)

Surrounding rock category Field length Equation (2) Equation (4)
II 148.2 148.2 93.2
I 80.3 77.4 36.9
III 30.7 13.6 30.7
II 1002.4 787.7 977
IV 14.7 14.7 14.7
Coincidence rate - 81.61% 90.30%
Score span 37.3–73.0 38.9–77.5 34.3–69.7

Correlation coefficient table between tunnelling parameters and geological factors

Rotating speed Torque Usage rate Propulsion Penetration Rock strength
Rotating
speed 1
Torque 0.21 1
Usage rate 0.389 0.726 1
Propulsion 0.479 0.394 0.482 1
Penetration −0.585 0.214 0.111 −0.367 1
Rock strength 0.053 0.091 0.086 −0.041 −0.005 1

Model overview table

Model Model 1 Model 2
Correlation coefficient 0.243 0.82
Fitting coefficient 0.059 0.673
Adjusted fitting coefficient 0.053 0.67
Standard error of the estimate 6.9209 4.0857
Corrected statistics Fitting coefficient 0.059 0.673
F 10.078 273.827
Degree of freedom 1 5 6
Degrees of freedom 2 801 800
Significant level 0 0

Equations (1), (2) points value coincidence rate table

Surrounding rock category Field length Equation (1) Equation (2)
IIs 148.2 0 148.2
II 80.3 0 77.4
IIIs 30.7 30.7 13.6
III 1002.4 1002.4 787.7
IV 14.7 0 14.7
Coincidence rate - 80.94% 81.61%

Equations (3) and (4) points value coincidence rate table

Surrounding rock category Field length Equation (3) Equation (4)
II 80.3 0 36.9
IIs 148.2 0 93.2
IIIs 30.7 30.7 30.7
III 1002.4 1002.4 977
IV 14.7 0 14.7
Coincidence rate - 80.94% 90.30%

Equations (3), (4) score span table

Score span Equation (3) Equation (4)
Minimum 51.4 34.3
Max 60.8 69.7
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