1) non-dam hydralic structures
非坝体水工建筑物
1.
How to consider the similarity between model and antetype,the choice of model material,the imitating of boundrary,the importing of earthquake motion and many other problems in non-dam hydralic structures are needed to be researched during model test.
针对非坝体水工建筑物结构特殊、振动性态复杂、地震反应特性和抗震问题与坝体建筑物不同,基于非坝体水工建筑物模型试验的基本原理,对动态模型实验时考虑模型与原型的相似关系、模型材料选择、边界模拟、地震动输入等一系列问题从模型试验关注的问题和重点进行了评述,为实验提供了相应的理论依据。
3) hydraulic building
水工建筑物
1.
Application of anticorrosive technology of concrete for hydraulic building along sea;
沿海水工建筑物混凝土防腐技术的应用
2.
The hydraulic building played an important role in social economy, but also a variety of adverse effects have occurred.
针对水利项目的复杂性及负面环境影响,分析、归纳水工建筑物建后对生态环境影响的因素,建立了模糊综合评价模型。
3.
This paper analyzes the process and the reasons of erosion damage caused by lo- cal scour below a hydraulic building and also put forward some measures to prevent this kind of damage.
分析了产生水工建筑物下游局部冲刷破坏的过程及原因,提出了防止冲刷破坏的措施。
4) Hydraulic structure
水工建筑物
1.
Study on the deterioration of durability of an downstream off-shore hydraulic structure of the Han River and the countermeasure;
韩江下游近海水工建筑物耐久性劣化及其对策研究
2.
Assessment of effect of ground improvement for hydraulic structure using combined vacuum and surcharge preloading;
真空联合堆载预压法加固水工建筑物软基效果检验
3.
Application of robust regression in the hydraulic structure safety monitoring modeling;
鲁棒回归在水工建筑物安全监控模型建立中的应用
5) hydraulic structures
水工建筑物
1.
Seepage of hydraulic structures on sand and gravel foundations;
砂砾石地基水工建筑物渗流破坏问题探讨
2.
Wanjiazhai YRDP lines composition and layout of the hydraulic structures are introduced.
介绍了万家寨引黄工程的线路组成和水工建筑物布置情况。
3.
This paper briefly explains the tendency to using reliability design method and its existing problems for hydraulic structures which is depending on engineering experiences in quite large extent.
本文概述了水工建筑物向可靠度设计方法发展的趋势及其在相当程度上仍依赖工程经验的水工建筑物应用中存在的问题。
6) hydraulic construction
水工建筑物
1.
The principle of maximum entropy in analysis of hydraulic construction reliability;
水工建筑物可靠性分析中的最大熵法
2.
Damage and prevention of concrete of hydraulic construction
水工建筑物混凝土损坏及防治
补充资料:坝身泄水孔
坝身泄水孔
outlet in dam body
以维持流态稳定.住翻砚.扩升湘;汁 图1坝身泄水孔布里 坝身泄水孔在坝体内开孔,削弱了坝体结构,同时孔内为压力水流时,孔壁将承受内水压力。在坝体应力、内水压力及温度应力的作用下,孔口边缘将出现应力集中现象,需按应力分布,在孔口周边配置钢筋予以加强,或用钢板镶护,对有压孔口宜采用圆形断面以改善孔口应力条件。 坝身泄水孔可以采用底流水跃消能,也可采用挑流消能,其挑流弃坎可采用和滋流表孔鼻坎不同的高程和挑角,以便使水舌在空中相互碰撞消能,减轻河床冲刷.当滋流表孔采用消力池消能时,可令坝身泄水孔的挑流水体落人消力池内形成挑流与底流相结合的消能方式。坝身泄水孔的消能建筑物布置见图2。┌──┐│~二 ││.: │└──┘图2坝身泄水孔消能建筑物布里 (a)底流消能;(b)挑流消能; (c)挑流与底流相结合消能boshenx一eshu一kong坝身泄水孔(outlet in dam body)通过混凝土坝或砌石坝坝身孔口过流的泄水建筑物。它在枢纽中的作用和泄洪随洞相似,可用作中孔或深孔,在水岸高、低水位时均能泄水,有利于水库排沙和防止电厂取水口前泥沙淤积,并在紧急情况下用来放空水库。汛期也可泄洪,有的还参与施工后期(导流洞下闸封堵之后)导流。坝身泄水孔一般由控制段、过流段和消能建筑物组成,见图 1. 按水力学条件,坝身泄水孔可分为有压和无压两种。有压泄水孔的控制段布置在坝下游面出口处,设有工作闸门及启闭机以控制泄流,检修闸门布置在上游进口。这种泄水孔的轴线在平面上可不要求为直线,但洞内流速和弯道曲率不宜过大。无压泄水孔的控制段布置在坝体上游面,闸后为无压水流,孔口内水面以上应留有净空并设通气孔补气,线路尽量顺直
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参考词条