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Article . 2017
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Lifetime of earth dams

Cрок эксплуатации грунтовых плотин
Authors: Titova, T. S.; LONGOBARDI, Antonia; Akhtyamov, R. G.; Nasyrova, E. S.;

Lifetime of earth dams

Abstract

Работа посвящена оценке безопасности низконапорных грунтовых плотин, эксплуатирующихся без персонала и контрольно-измерительной аппаратуры на объекте. В статье предложен метод по определению критического срока эксплуатации низконапорных грунтовых плотин, не требующий данных о фактическом состоянии объекта. Предложенный метод основан на количественной оценке различных видов воздействия воды, приводящих к разрушению грунтовой плотины. Для определения критического срока эксплуатации грунтовой плотины, значения полученные методом импульсного процесса, обрабатывались методом построения классификационных шкал и кластерного анализа. Минимальное из полученных значений принято за критический срок эксплуатации грунтовой плотины в пределах урболандшафта. Методом построения классификационных шкал выявлен критический срок эксплуатации грунтовой плотины, равный 75 лет, а методом кластерного анализа – 80 лет. Критическим сроком эксплуатации грунтовой плотины выбрано минимальное из двух полученных, поскольку в соответствии со СНиП 33-01-2003, нормативный срок службы грунтовых плотин IV класса – 50 лет. Полученное значение позволяет определить запас прочности грунтовой плотины и может служить критерием управления безопасностью грунтовых плотин, а именно определяет необходимость проведения мероприятий по увеличению жизненного цикла плотины при обязательном учете особенностей конкретных объектов.

The level of safety of small earth dams, operating without staff and measurement and control equipment, are considered in this study. Approach enabling the possibility to define the finite lifetime (Tf) of a small earth dam here presented. The proposed approach does not require any variables monitoring. It is based on the definition of Tf by assessing the water impact on the small earth dams by quantitative methods of system analysis. To assess the earth dam Tf, two approaches are offered, which based on the digraph method. They are the classification scale construction and the cluster method. On a quantitative base the Tf of small dam on urban area can be defined as the minimum between the two (75 year for the classification scale and 80 for the clustering), which is however well above the Russian regulations, which indicate a period of 50 years (design life). The estimated value allows defining robustness of earth dam and can be used as a criterion for safety management of earth dams, defining the needs to undertake actions to improve, during the life cycle, earth dam structural features.

Country
Italy
Keywords

construction, Building construction, dam, конструкция, hydraulic engineering, Engineering (General). Civil engineering (General), гидротехническое сооружение, life-cycle, Construction; Dam; Hydraulic engineering; Life-cycle; Civil and Structural Engineering, жизненный цикл, TA1-2040, плотина, TH1-9745

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
3
Average
Average
Average