坝顶宽度与坝的稳定没有直接的关系，主要取决于构造、交通、施工及运行等要求。
Irrelvant to dam stability, crest width is determined as required by structure, traffic, construction, and operation.
其次拟定坝的基本尺寸，包括坝坡、坝顶高程、坝顶宽度以及防渗体及排水设备、护坡等的尺寸，使之满足土石坝的工作要求。
Then, you can decide the basic sizes, including those of slope, crest el, crest width, anti-seepage, drainage, protecting slope, and etc.
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