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A peer-reviewed article of this preprint also exists.
This version is not peer-reviewed
Sports Event | Tunnel Support Parameters of Shiqian Expressway | Hurong Railway Tunnel Support Parameters | |
---|---|---|---|
Initial support | C25 spray concrete | 28cm | 23cm |
Φ6.5 steel mesh | @20×20cm | @20×20cm | |
Initial support reinforcement measures | 22a I-beam @60cm closed into a ring | 22a I-beam @60cm closed into a ring | |
Sprayed steel-framed concrete | System anchor | @60×100cm, L=3.5m, C20 flux-coiled anchors | @120×100cm, L=3.5m, C20 flux-coiled anchors |
C25 spray concrete | 22cm | 20cm | |
Steel frame | 16a I-beam @60cm closed into a ring | 16a I-beam @100cm closed into a ring | |
Secondary lining | 70cm C30 reinforced concrete | 45cm C35 reinforced concrete | |
Vault | 70cm C30 reinforced concrete | 50cm C35 reinforced concrete | |
Ancillary construction measures | T76L self-propelled anchor + small conduit in advance | T76L self-propelled anchor + small conduit in advance |
Enterprise | Materials | E(GPa) | μ | γ(kN/m3) | c(MPa) | φ(°) | σ(MPa) |
---|---|---|---|---|---|---|---|
Stratum | Malmstone | 5.09 | 0.31 | 23.13 | 2.25 | 35.82 | 8.90 |
Mudstone | 2.15 | 0.33 | 23.89 | 1.03 | 33.48 | 3.84 | |
Highway tunnel | anchor support | 42 | 0.2 | ||||
steel-frame grating support | 52 | 0.2 | |||||
Railway tunnel | anchor support | 31 | 0.2 | ||||
steel-frame grating support | 43 | 0.2 |
Rock layers (top to bottom) | Model X, Y, Z direction rock reaction coefficient (t/m3) | ||||
---|---|---|---|---|---|
kLXh | kRXh | kFYh | kBYh | kZv | |
Mudstone | 2665.52 | 4387.63 | 3145.71 | 2432.20 | |
Malmstone | 7244.13 | 8970.20 | 7759.39 | 7153.64 | |
Mudstone | 3000.16 | 3126.16 | 2946.43 | 2907.13 | |
Malmstone | 5915.44 | 5884.53 | 5710.24 | 5710.24 | |
Mudstone | 4530.42 | 4527.31 | 4384.49 | 4384.49 | |
Malmstone | 9279.97 | 9156.92 | 8921.78 | 8921.78 | |
Mudstone | 3433.82 | 3471.77 | 3330.95 | 3330.95 | |
Malmstone | 9418.76 | 9440.04 | 9170.55 | 9170.55 | |
Mudstone | 3778.67 | 4061.60 | 3665.52 | 3665.52 | |
Malmstone | 12121.47 | 12114.00 | 11728.72 | 11728.72 | |
Mudstone | 2872.95 | 2876.63 | 2781.49 | 2781.49 | |
Malmstone | 8071.31 | 8006.92 | 7782.58 | 7782.58 | |
Mudstone | 2849.02 | 3341.86 | 2944.74 | 2944.74 | |
Malmstone | 10695.17 | 11704.80 | 10214.62 | 10214.62 | |
Mudstone | 5055.50 | 3273.70 | 3833.84 | 3833.84 | |
Malmstone | 16257.58 | 17026.51 | 16334.96 | 16334.96 | |
Mudstone | 4388.29 | 4656.22 | 4334.61 | 4334.61 | |
Malmstone | 14776.82 | 14146.10 | 14016.62 | 14016.62 | |
Mudstone | 7913.75 | 8064.80 | 8000.96 | 8000.96 | |
Malmstone | 7416.49 | 7348.26 | 7214.18 | 7214.18 | |
Mudstone | 4157.90 | 4093.52 | 3915.15 | 3915.15 | |
Malmstone | 10895.32 | 11533.88 | 10782.67 | 10782.67 | |
Mudstone | 3940.98 | 3941.80 | 3755.93 | 3755.93 | |
Malmstone | 11277.14 | 10721.60 | 10633.81 | 10633.81 | |
Mudstone | 6106.59 | 6398.02 | 6045.57 | 6045.57 | |
Malmstone | 6596.91 | 6338.03 | 6255.26 | 6255.26 | |
Mudstone | 2212.34 | 2078.98 | 2073.10 | 2073.10 | 1556.58 |
Rock Stratum | cp | cs |
---|---|---|
Mudstone | 278.584 | 140.3275 |
Malmstone | 407.594 | 212.2705 |
Distance from the Centerline R (M) |
The Maximum Amount of Explosive Charge at a Time Q (Kg) |
Circular Footage (M) | Mass Vibration Velocity V (cm/S) |
---|---|---|---|
30 | 1.7 | 0.6 | 2.00 |
40 | 4.0 | 0.6 | 2.00 |
50 | 8.0 | 1.0 | 2.00 |
60 | 8.0 | 1.0 | 1.52 |
70 | 12 | 1.0 | 1.48 |
80 | 18 | 1.0 | 1.48 |
90 | 26 | 2.0 | 1.49 |
100 | 36 | 2.0 | 1.50 |
110 | 48 | 3.0 | 1.50 |
120 | 62 | 3.0 | 1.48 |
Name of Shell Hole | Number of Millisecond Detonator Segments | Depth of Hole (m) |
Hole | Single Hole Charge (kg) |
Charge of Single Section (kg) |
---|---|---|---|---|---|
CU1 | 1 | 1.4 | 8 | 0.8 | 6.4 |
CU2 | 3 | 1.3 | 8 | 0.6 | 4.8 |
AU1 | 5 | 1.1 | 16 | 0.4 | 6.4 |
AU2 | 7 | 1.1 | 16 | 0.4 | 6.4 |
AU3 | 9 | 1.1 | 18 | 0.4 | 7.2 |
AU4 | 11 | 1.1 | 20 | 0.4 | 8.0 |
PU1 | 13 | 1.1 | 26 | 0.3 | 7.8 |
BU1 | 15 | 1.1 | 16 | 0.5 | 8.0 |
AD1 | 1 | 1.1 | 12 | 0.6 | 7.2 |
AD2 | 3 | 1.1 | 12 | 0.6 | 7.2 |
AD3 | 5 | 1.1 | 13 | 0.6 | 7.8 |
AD4 | 7 | 1.1 | 13 | 0.6 | 7.8 |
PD1 | 9 | 1.1 | 12 | 0.4 | 4.8 |
BD1 | 11 | 1.3 | 13 | 0.6 | 7.8 |
subtotal | 203 | 97.6 |
Disclaimer/Publisher’s Note: The statements, opinions and data contained in all publications are solely those of the individual author(s) and contributor(s) and not of MDPI and/or the editor(s). MDPI and/or the editor(s) disclaim responsibility for any injury to people or property resulting from any ideas, methods, instructions or products referred to in the content. |
Submitted:
04 December 2023
Posted:
05 December 2023
You are already at the latest version
A peer-reviewed article of this preprint also exists.
This version is not peer-reviewed
Submitted:
04 December 2023
Posted:
05 December 2023
You are already at the latest version
Sports Event | Tunnel Support Parameters of Shiqian Expressway | Hurong Railway Tunnel Support Parameters | |
---|---|---|---|
Initial support | C25 spray concrete | 28cm | 23cm |
Φ6.5 steel mesh | @20×20cm | @20×20cm | |
Initial support reinforcement measures | 22a I-beam @60cm closed into a ring | 22a I-beam @60cm closed into a ring | |
Sprayed steel-framed concrete | System anchor | @60×100cm, L=3.5m, C20 flux-coiled anchors | @120×100cm, L=3.5m, C20 flux-coiled anchors |
C25 spray concrete | 22cm | 20cm | |
Steel frame | 16a I-beam @60cm closed into a ring | 16a I-beam @100cm closed into a ring | |
Secondary lining | 70cm C30 reinforced concrete | 45cm C35 reinforced concrete | |
Vault | 70cm C30 reinforced concrete | 50cm C35 reinforced concrete | |
Ancillary construction measures | T76L self-propelled anchor + small conduit in advance | T76L self-propelled anchor + small conduit in advance |
Enterprise | Materials | E(GPa) | μ | γ(kN/m3) | c(MPa) | φ(°) | σ(MPa) |
---|---|---|---|---|---|---|---|
Stratum | Malmstone | 5.09 | 0.31 | 23.13 | 2.25 | 35.82 | 8.90 |
Mudstone | 2.15 | 0.33 | 23.89 | 1.03 | 33.48 | 3.84 | |
Highway tunnel | anchor support | 42 | 0.2 | ||||
steel-frame grating support | 52 | 0.2 | |||||
Railway tunnel | anchor support | 31 | 0.2 | ||||
steel-frame grating support | 43 | 0.2 |
Rock layers (top to bottom) | Model X, Y, Z direction rock reaction coefficient (t/m3) | ||||
---|---|---|---|---|---|
kLXh | kRXh | kFYh | kBYh | kZv | |
Mudstone | 2665.52 | 4387.63 | 3145.71 | 2432.20 | |
Malmstone | 7244.13 | 8970.20 | 7759.39 | 7153.64 | |
Mudstone | 3000.16 | 3126.16 | 2946.43 | 2907.13 | |
Malmstone | 5915.44 | 5884.53 | 5710.24 | 5710.24 | |
Mudstone | 4530.42 | 4527.31 | 4384.49 | 4384.49 | |
Malmstone | 9279.97 | 9156.92 | 8921.78 | 8921.78 | |
Mudstone | 3433.82 | 3471.77 | 3330.95 | 3330.95 | |
Malmstone | 9418.76 | 9440.04 | 9170.55 | 9170.55 | |
Mudstone | 3778.67 | 4061.60 | 3665.52 | 3665.52 | |
Malmstone | 12121.47 | 12114.00 | 11728.72 | 11728.72 | |
Mudstone | 2872.95 | 2876.63 | 2781.49 | 2781.49 | |
Malmstone | 8071.31 | 8006.92 | 7782.58 | 7782.58 | |
Mudstone | 2849.02 | 3341.86 | 2944.74 | 2944.74 | |
Malmstone | 10695.17 | 11704.80 | 10214.62 | 10214.62 | |
Mudstone | 5055.50 | 3273.70 | 3833.84 | 3833.84 | |
Malmstone | 16257.58 | 17026.51 | 16334.96 | 16334.96 | |
Mudstone | 4388.29 | 4656.22 | 4334.61 | 4334.61 | |
Malmstone | 14776.82 | 14146.10 | 14016.62 | 14016.62 | |
Mudstone | 7913.75 | 8064.80 | 8000.96 | 8000.96 | |
Malmstone | 7416.49 | 7348.26 | 7214.18 | 7214.18 | |
Mudstone | 4157.90 | 4093.52 | 3915.15 | 3915.15 | |
Malmstone | 10895.32 | 11533.88 | 10782.67 | 10782.67 | |
Mudstone | 3940.98 | 3941.80 | 3755.93 | 3755.93 | |
Malmstone | 11277.14 | 10721.60 | 10633.81 | 10633.81 | |
Mudstone | 6106.59 | 6398.02 | 6045.57 | 6045.57 | |
Malmstone | 6596.91 | 6338.03 | 6255.26 | 6255.26 | |
Mudstone | 2212.34 | 2078.98 | 2073.10 | 2073.10 | 1556.58 |
Rock Stratum | cp | cs |
---|---|---|
Mudstone | 278.584 | 140.3275 |
Malmstone | 407.594 | 212.2705 |
Distance from the Centerline R (M) |
The Maximum Amount of Explosive Charge at a Time Q (Kg) |
Circular Footage (M) | Mass Vibration Velocity V (cm/S) |
---|---|---|---|
30 | 1.7 | 0.6 | 2.00 |
40 | 4.0 | 0.6 | 2.00 |
50 | 8.0 | 1.0 | 2.00 |
60 | 8.0 | 1.0 | 1.52 |
70 | 12 | 1.0 | 1.48 |
80 | 18 | 1.0 | 1.48 |
90 | 26 | 2.0 | 1.49 |
100 | 36 | 2.0 | 1.50 |
110 | 48 | 3.0 | 1.50 |
120 | 62 | 3.0 | 1.48 |
Name of Shell Hole | Number of Millisecond Detonator Segments | Depth of Hole (m) |
Hole | Single Hole Charge (kg) |
Charge of Single Section (kg) |
---|---|---|---|---|---|
CU1 | 1 | 1.4 | 8 | 0.8 | 6.4 |
CU2 | 3 | 1.3 | 8 | 0.6 | 4.8 |
AU1 | 5 | 1.1 | 16 | 0.4 | 6.4 |
AU2 | 7 | 1.1 | 16 | 0.4 | 6.4 |
AU3 | 9 | 1.1 | 18 | 0.4 | 7.2 |
AU4 | 11 | 1.1 | 20 | 0.4 | 8.0 |
PU1 | 13 | 1.1 | 26 | 0.3 | 7.8 |
BU1 | 15 | 1.1 | 16 | 0.5 | 8.0 |
AD1 | 1 | 1.1 | 12 | 0.6 | 7.2 |
AD2 | 3 | 1.1 | 12 | 0.6 | 7.2 |
AD3 | 5 | 1.1 | 13 | 0.6 | 7.8 |
AD4 | 7 | 1.1 | 13 | 0.6 | 7.8 |
PD1 | 9 | 1.1 | 12 | 0.4 | 4.8 |
BD1 | 11 | 1.3 | 13 | 0.6 | 7.8 |
subtotal | 203 | 97.6 |
Disclaimer/Publisher’s Note: The statements, opinions and data contained in all publications are solely those of the individual author(s) and contributor(s) and not of MDPI and/or the editor(s). MDPI and/or the editor(s) disclaim responsibility for any injury to people or property resulting from any ideas, methods, instructions or products referred to in the content. |
Jianxiu Wang
et al.
Applied Sciences,
2022
Xiujuan Miao
et al.
Applied Sciences,
2020
Xiaoxue Li
et al.
Symmetry,
2022
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