Research Article
Research and Application of Support Resistant Limiting Dampers in the Deep-Buried Large-Section Loess Tunnel
Table 4
Engineering quantity comparison table.
| | Project unit | Quantity comparison | Scheme III/scheme I (%) | Scheme III/scheme II (%) | | Scheme I | Scheme II | Scheme III |
| | Soil and rock excavation | m3 | 101.44 | 105.69 | 103.04 | 101.6 | 97.5 | | C25 shotcrete | m3 | 8.43 | 11.62 | 8.50 | 100.8 | 73.1 | | Steel mesh | kg | 105.95 | 146.87 | 106.78 | 100.8 | 72.7 | | Steel used for steel frame | kg | 1036.80 | 2297.54 | 1211.42 | 116.8 | 52.7 | | Steel frame spacing | m | 1.00 | 0.60 | 1.00 | — | — |
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