分洪工程

通过物理模型和数值模拟等两种方法相结合的研究手段，研究不同频率洪水下腊山分洪工程的分洪流量、水位和局部水流流态及建筑物的过水能力等。

The research methods of this paper combine the physical model and the numerical simulation to study the water flow , water level , local flow state and the discharge capacity of hydraulic structures in different frequency flood .

北京市永定河分洪枢纽工程桥梁检测与评估

Bridge Test and Evaluation of Flood Diversion Hub in Beijing Yongding River

由于种种自然原因，加上人为因素的不利影响，造成许多河道淤积严重，行洪能力较差，严重威胁人民的生命财产安全，急需采取裁弯、分洪等工程措施进行治理。

Many of their were severe siltation and not enough flood capacity in many rivers because of a variety of natural reasons and human activity , so that the life and property security of people were threatened .

多沙河流侧向分洪后，分洪工程的前后经常引起大量而迅速的冲淤变化，这种变化严重的影响进水能力与工程的运用寿命。

The silting from a river with heavy sediment lood seriously affects the discharge capacity and effective life of the head work of a detention basin for flood diversion .

荆江分洪北闸加固工程2号护坦（斜面）混凝土的保温层采用了水泥膨胀珍珠岩砂浆，并对这种材料的保温效果进行了试验研究。

The expanded perlite mortar is adopted as thermal insulation layer for the concrete surface ( inclined plane ) of the No. 2 apron of Jingjiang Flood Diversion Project 's northern sluice in its strengthening engineering . Experimental study was conducted on effect of thermal insulation of this material .