碾压混凝土薄拱坝 RCC thin arch dam
土压拱
Earth compression arch
以上为机器翻译结果，长、整句建议使用 人工翻译 。
由于黄土具有结构性、欠压密性和土结构性受损易发生湿陷等特性，再加上会路连拱隧道施工开挖工序多，结构受力复杂。
Loess has the characteristics of structural properties, such as incomplete consolidation, collapsibility; and the multi-arch tunnel of highway has complex excavation steps and structure stress.
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