As an engineering measure to reduce tensile stress of dam heel, the installation of man-made bottom joints in upstream bottoms of arch DAMS has already a history of 40 years.
作为减少坝踵部位拉应力的一个工程措施，在拱坝上游底部设置人工底缝已有40年的历史。
The stress singularity in the heel region of gravity DAMS is discussed in order to apply finite dement method directly to dam design.
探讨了有限单元法应用于重力坝设计及坝踵等应力奇异区域的应力控制标准问题。
In this paper, the assumption of equivalent stress method only used near the dam heel and toe and the middle regions stress USES the FEM calculated stress.
针对该问题，提出局部等效应力方法，即对坝基面坝踵和坝趾局部区域进行局部等效处理，坝基面中间大部分区域仍采用有限元计算。
After reservoir filling, the compression stress in a dam heel does not decrease but markedly increases for the some gravity DAMS.
蓄水后，有些重力坝坝踵压应力不是减小，反而呈明显增长。
After reservoir filling, the compression stress in a dam heel does not decrease but markedly increases for the some gravity DAMS.
蓄水后，有些重力坝坝踵压应力不是减小，反而呈明显增长。
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