dams

On Permanent Superficial Thermal Insulation of Concrete Arch Dams

混凝土拱坝运行期裂缝与永久保温

Underwater concrete can be used in reinforcement and repair of dams.

水下混凝土可推广应用于大坝水下加固或修复工程.

Calculation of thermal load in arch dams from observation data

从实测资料探讨拱坝温度荷载的计算

Research on the Loading Capacity of High Arch Dams

高拱坝承载能力研究

Bridges, dams, and reservoirs have to be bulit.

桥梁 、 堤坝和水库必须修建.

Literally thousands of concrete dams are providing water supply shortage, irrigation, flood control, and power generation.

可以毫不夸张地说,有成千上万座混凝土水坝正在供灌溉,给水 、 防洪 、 发电之用.

Permanent compound plate of thermal and water insulation for concrete dams

混凝土坝的复合式永久保温防渗板

Furthermore, with improved limit equilibrium method and strength reduction technique, the influence of dynamic seismic coefficient upon slope safety factor and critical slide surface of high earth and rockfill dams is analyzed.

然后利用改进的极限平衡法和强度折减法分析了地震动态分布系数对高土石坝坝坡抗震安全系数和临界滑动面的影响。

The soil washed from the hills is silting up the hydroelectric dams.

从山上冲刷下来的泥土就要让水电大坝淤塞了。

To illustrate the research method of earthquake responses of these arch dams, the analysis procedure and results of Morrow Point thin and double-curvature arch dam are shown.

重点介绍了文献〔1〕中对Morrow Point双曲薄拱坝的研究方法及结果.说明了有缝拱坝施工缝张开时的地震反应的研究途径和方法。

Event Tree Method in Risk Analysis for High Dams

高坝风险分析的事件树法

With the hydropower resources development in recent years, a batch of high dams is under design or construction in China, their common characteristics are: with high water head, with large discharge and narrow valley.

近些年来随着我国水能资源的开发，我国设计和修建了一批坝高在300m级别的水利枢纽工程，其共同的典型特点是：高水头、大流量、窄河谷。

Then dams and power stations have been built and thousands of trees have been planted.

于是修建了堤坝和发电站,种植了成千上万棵树.

The mountains are studded with dams, any one of which could wreak destruction in the valley below.

山区到处都是大坝，其中任何一个都可能给下面的山谷带来灭顶之灾。

Construction Technology for Masonry Arch Dams in Fujian and Economic Analysis.

福建砌石拱坝施工技术与经济分析.

These dams have restricted the flow of the river downstream.

这些堤坝限制了河水顺流而下。

AA ( Progress Works Administration ) which created employment in heavy construction such as dams.

以期在堤坝等大型设施建设中提供就业机会.

It is a particularly suitable method for shell dams.

这是一种对壳体坝特别适用的方法.

Then, to help the salmon swim upstream to deposit their eggs, they build special fish ladders up the smaller dams and rapids.

同时，为帮助鲑鱼逆水，游回产卵的地方，他们在较小的水坝和急流上建设鱼梯。

Engineering structures falling in this category are gravity dams with foundations, slopes and embankments, etc.

属于这种范畴的工程结构为带有基础的重力坝, 斜坡和路堤等.

There are several dams across the Huai River.

淮河上有几座水闸.

The restricted dams limit the river's downstream flow.

这些被限制的堤坝制约了河水的下游流动。

Dams and waterworks have been provided to improve irrigation.

修建水坝和水利工程以改善灌溉条件.

Water power schemes ( hydro-electric schemes ) are of two types, high dams or low dams.

水力发电工程 ( 水电工程 ) 有高坝和低坝两种类型.

This paper summarizes the fundamental principles of development of hybrid models of displacement for concrete dams by mathematic statistics method, and expands the temperature component and time effect component.

综述了用数理统计分析方法建立混凝土坝位移混合监控模型的基本原理，并对模型中的温度因子和时效因子进行扩充。

Such mechanisms were soon built into dams to harness vast amounts of electricity.

不久就把这种机器安装在水坝上,用来大量发电.

The soil that rain and rivers wash from the hills is silting up the hydroelectric dams.

雨水和河流从山上冲刷下来的泥土正在淤塞水电大坝。

Investigation of constructing tailings dams with directional throw blasting under bad topographical conditions

在不利地形条件下定向爆破堆筑尾矿坝的探讨

Results "Four-handed" technique was adopted in6.00% of the clinics, while rubber dams were used only in0.67% of the clinics.

结果实行“四手操作”的口腔医疗机构很少，仅占6.00%，使用橡皮障的医疗机构极少，占0.67%；

Large dams have harmed Siberia's delicate ecological balance.

大型水坝对西伯利亚脆弱的生态平衡造成了破坏。