According to channel head works with dam which in front of dam of diversion engineering with Tailan River,the paper carried out the physical model test to study the influence of the system operation and management sediment ejection on sediment deposition in front of the Dam,respectively simulated the one year with one and many year met.The experimental results shown that the water power station sediment ejection was for 0.1087 million tons each year by water diversion condition,and sediment ejection was 0.3...