Whether permanent displacement of dam or the axial forces of anchor, the rigid attended mode is better than the free attended mode.
无论从坝体的永久位移还是筋层轴力分布角度，坝内筋端的铰结连接方式要好于自由连接方式。
2
Two parallel permanent fluctuating belt will be formed along the two Banks of the reservoir because of the natural fluctuation of water level after the finish of the Three Gorges Dam.
三峡大坝建成后，由于水位的季节性涨落，将会在库区两岸形成两条平行的永久性的消落带。
3
On this basis if the temporary surface insulation plates are improved and used as permanent insulation material the ideality of concrete dam without cracking will be realized.