基于水力学方法的不同类型水下夯锤的夯击效能试验分析

来源 :黑龙江水利科技 | 被引量 : 0次 | 上传用户:taomeizi2006
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文章采用水力学方法对圆柱和圆台两种典型水下夯锤的夯击效能进行试验分析.分析结果表明:各类型水下夯锤随着夯次的增加其不同点位的击打效能总体呈现递增变化,在相同点位下,圆台型夯锤的夯击效能总体好于圆柱型夯锤.随着夯次的增加两种类型夯锤沉降量均有逐步减小的变化规律,且相同夯次下,圆柱型夯锤的平均夯沉率要好于圆台型夯锤.随着夯锤尺寸倍数的增加,其夯击效能也逐步提高,随着水流绕流作用影响的增加,其夯击效能递增幅度有所降低.
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