It's built by piled block stones at dam heel.
在坝脚处用块石堆筑而成。
In the south, white ants can hollow the dam heel.
南方有些省份还有白蚁蛀空坝脚等等。
Based on the dam heel and toes stress calculated by FEM changes very much as the mesh size reduces.
在混凝土重力坝有限元应力分析中，坝踵和坝趾的应力随网格剖分尺寸的减小而急剧增大。
For those downstream, they protect the space from dam crest to draining prism or to dam heel in event of no prism.
下游面则由坝顶护至排水棱体，无排水棱体时则护至坝脚。
It enables to reduce the volume of concrete, strengthen the stresses of the dam heel and increase the stability of the dam.
它比一般空腹重力坝更能节约工程量，对改善坝踵应力以及提高坝体的稳定性有利。
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。
The results show that localization will firstly occur at dam heel and dam toe, but the final failure mode depends on the dam shape.
结果表明拱坝的局部化最先出现在下游坝踵和上游坝趾，但其最终破坏形态与坝体型有关。
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。
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。
Research indicates that under full load operation of the reservoir, large local tensile stress will be produced at the dam heel and the outlet and inlet of the power penstock.
研究表明，当水库满载运行时，坝踵处产生较大局部拉应力；管道进出口也出现较大局部拉应力。
The results show that the failure of dam foundation is caused mainly by the extension of dam heel crack and the expansion of shear-yield zone of the foundation rock near the dam toe.
结果表明，坝基的破坏主要表现为坝踵裂缝的延伸和坝趾附近基岩剪切屈服区的扩展。
The result shows that with the help of inducing joint, the stress distribution nearby the dam heel is evidently improved while the integral stability factor of Xiaowan dam is slightly influenced.
结果表明：设置诱导缝，能有效地改善坝踵附近的应力分布，且对拱坝的整体稳定安全度影响很小。
The article introduces the process of cracking of the dam heel and the analysis of causes by domestic experts. The effect of dam heel cracking on the safety of Shimen concrete arch dam is analyzed.
介绍石门拱坝坝踵产生裂缝的过程及国内专家对裂缝成因的分析，同时分析了坝踵开裂对大坝安全的影响。
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。
An observation on dam-heel crack for studying the abnormal sudden change of uplift pressure and seepage flow of blocks close to the round corner of right bank is also introduced.
对右岸转弯坝段扬压力和渗流量陡涨陡落的异常情况进行了坝踵开裂试验观测。
On top of that, this method is used to calculate the stress intensity factors of interface crack at the heel of gravity dam, and some useful conclusions are presented.
作为应用，文中计算了坝踵界面裂缝的应力强度因子，得出了应力强度因子随坝基弹模、库水位和缝水压力的变化规律。
On top of that, this method is used to calculate the stress intensity factors of interface crack at the heel of gravity dam, and some useful conclusions are presented.
作为应用，文中计算了坝踵界面裂缝的应力强度因子，得出了应力强度因子随坝基弹模、库水位和缝水压力的变化规律。
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