以往在消力池或水垫塘底板的稳定性设计中，很少注意板块上脉动荷载的作用。
In the stability design of the bottom slab of stilling basin or water cushion pool for a long time past, a little attention was paid to the pulse load on the slab.
为了有效减轻坝身下泄水流对水垫塘底板的动水冲击压强，须尽量分散下泄水舌。
In order to alleviate the value of the plunging pressure caused by plunging jet from DAMS effectively, plunging jet should be dispersed in the receiving pool.
文中还讨论了小湾水垫塘采用全面混凝土衬砌的必要性，并对水垫塘底板高程、长度及体型提出了新建议。
Further, the paper discussed the necessity of using full concrete lining for the Xiaowan plunge pool and made new proposals for its bottom elevation, length and shape.
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