無襯砌隧洞 的英文怎麼說

中文拼音 [chènsuìdòng]
無襯砌隧洞 英文
rough tunnel
  • : 無Ⅰ動詞(沒有) not have; there is not; be without Ⅱ名詞1 (沒有) nothing; nil 2 (姓氏) a surn...
  • : Ⅰ動詞1 (在裏面托上一層) line; place sth underneath 2 (陪襯; 襯托) set off Ⅱ名詞(襯在裏面的附...
  • : 砌Ⅰ動詞(用磚、石等壘) build by laying bricks or stones Ⅱ名詞(臺階) step
  • : Ⅰ名詞1. (隧道; 地道) tunnel; underground pass2. [書面語] (道路) road3. (郊外的地方) suburbsⅡ動詞[書面語] (旋轉) turn
  • : Ⅰ名詞(物體上穿通的或凹入較深的部分; 窟窿; 洞穴) hole; cavity Ⅱ形容詞(深遠; 透徹) profound; thorough; clear
  1. Complicated hydrologic and geographic conditions, and the large scale of the xiaolangdi hydraulic project on the yellow river are introduced briefly. three desilting tunnels are designed to meet the requirements of flood control, sediment discharge and runoff regulation. according to the performance requirements of desilting tunnels, the tunnel lining down - stream of the grouting curtain is designed to be post - tensional prestressed lining. on the basis of investigation and research, experiements and analysis, the unbonded prestressing system is used. it is the largest unbonded prestressed tunnel lining project in the world, and the first one in china

    簡介黃河小浪底水利樞紐復雜的水文、地質條件以及龐大的工程規模.該樞紐設計有3條排沙,擔負著泄洪、排沙、調節徑流和保證進水口不被泥沙淤堵的任務.根據排沙的水庫運用要求,灌漿帷幕下游排沙身段設計為混凝土后張預應力.通過大量的調研、試驗、分析論證,在施工前確定該預應力方案選用粘結預應力系統,成為目前世界上規模最大的粘結預應力工程,在國內尚屬首例
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