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- riverway cofferdam 河道围堰
- Open Channel and Longitudinal Cofferdam Project Attributed to CGGC. 承建的导流明渠和纵向围堰工程。
- Blasting Construction of Cofferdam Removal in Yumenkou Pump Station No. 禹门口提水一级站围堰拆除爆破施工。
- There is no tensile stress on the cofferdam body at possible loading cases. 胶凝砂砾石围堰堰体的任何位置在任何工况下都不会产生拉应力;
- The concentration of DO was below 0.25mmol/L in the Liaohe riverway during two years, which was not fit for survival of hydrophily life-form. 两年中,河道内溶解氧含量都在0.;25mmol/L以下,不适合鱼类等水生生物生存。
- Riverway treatment is a traditional and pragmatical engineering of an ancient and active field. 河道治理是传统实用的工程,是一个古老而活跃的领域。
- Due to and restriction simple ecological recovery is almost ineffective to riverway located in urban built-up areas. 摘要位于城市建成区内的河道往往因为用地限制对其采取单纯的生态恢复已难以奏效。
- Excessive diccharges of nutrient in riverway result in the form of hypoxia in Liaohe river estuary. 认为:河道内营养物质的过量排放是低氧形成主要原因;
- This article analyzes and summariesthe design and construction enclosing the mound type sand cofferdam. 文章对围墩式砂围堰的设计及施工进行分析、总结。
- This part of the dam serves as a cofferdam which protects the remainders of the foundation for further construction. 坝的这一部分起着围堰的作用;保护着基础的其余部分;以便进一步施工.
- The riverway cuts across the southeastward ranges of the Qilian Shan, thus forms a terrain where gorges alternating with mountains. 河道切过祁连山向东南延伸的余脉,形成峡谷和川地相间分布的形势。
- The microbiological pollution of riverway water, canal water and lake water is severe and will be severer if the circumstance temperature rises. 嘉兴市城市市内河道水、运河水、湖泊水微生物污染严重,并随环境温度的升高,超标率增高。
- Double-wall steel cofferdam is the important facility of bridge's deepwater foundation. 摘要双壁钢围堰是桥梁深水基础施工的重要设施。
- A longitudinal concrete cofferdam was demolished by way of underwater controlled blasting. 利用水下控制爆破方法拆除了大源渡河中的混凝土纵向围堰。
- Its output will provide important basis for operation of Xiaolangdi Reservoir and reducing silt of the Yellow River riverway. 本论文的研究成果对小浪底水库的运行管理和减少黄河下游泥沙淤积提供了重要的科学依据。
- Experiment was made to simulate slow flow riverway of plain at the aim to find effect of water quality on current velocity and quality of input water. 文章利用模拟实验开展了平原地区缓流河道中的水质变化对河道水流速度与来水水质的响应规律研究。
- Double-wall steel cofferdam is the important facility of bridge s deepwater foundation. 双壁钢围堰是桥梁深水基础施工的重要设施。
- The construction method using steel boxed cofferdam is a chief method for construction of pile caps in deep water. 摘要钢吊箱围堰施工方法是深水承台施工中的一种主要施工方法。
- As a result, the so-called riverway length is a fuzzy conception.It is strongly necessary to have a definite quantum to describe it. 由此可见, 通常所说的河流的长度是一个较模糊的概念,需要一个确定的量来描述它。
- Riverway is a complicated object which is between the extreme order and the true chaos.And it cannot be expressed by simple formula. 但是, 河道地貌是一种介于极端有序与真正混沌之间的十分复杂的客体, 难以用简单的公式来定量描述。
