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The world's largest underwater shield tunnel, the Huanggang Road Crossing Huang Tunnel in Jinan, has been initiated.
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Jinan's Huanggang Road Yellow River Crossing Tunnel project has commenced, marking the world's largest underwater shield tunneling endeavor. The tunnel spans 5,755 meters in total, with a critical section of 3,290 meters. It connects to the G309 interchange, bridging both sides of the Yellow River.
The "Mountain River" shield machine, with a diameter of 17.5 meters, is equipped with cutting-edge technology. The tunnel features a single-bore double-deck structure, with three lanes in each direction, saving space and reducing costs. It has a clear height of 4.2 meters, accommodating special vehicle requirements.
Shield machine: A large mechanical device used for underground tunnel excavation, equipped with a rotating cutterhead for breaking up rock and soil.
| Scores | Value | Explanation |
|---|---|---|
| Objectivity | 6 | 内容客观，全面报道，深入分析。 |
| Social Impact | 4 | 引发强烈社会讨论，影响部分公众意见。 |
| Credibility | 5 | 完全可信，权威来源，证据充分。 |
| Potential | 5 | 潜在影响高，几乎必然触发较大事件。 |
| Practicality | 5 | 极其实用，广泛应用于实践，效果良好。 |
| Entertainment Value | 3 | 有一定娱乐价值，能吸引部分观众。 |