ОЦЕНКА СЕЙСМИЧЕСКОЙ УЯЗВИМОСТИ ЗДАНИЙ В ГОРОДЕ ПОРТ-БЛЭР С ИСПОЛЬЗОВАНИЕМ МЕТОДА БЫСТРОГО ВИЗУАЛЬНОГО СКРИНИНГА

Основное содержимое статьи

Г. Адхарш
Р. Сивакумар
Сатьянараянан К.С.

Аннотация

Андаманские и Никобарские острова - один из наиболее сейсмоопасных районов мира, подверженный частым землетрясениям, и именно здесь проводилось исследование с использованием метода быстрого визуального скрининга (БВС) по картам Google и с выездом на место. Хотя карты Google и интернет-источники могут быть использованы для получения 80% данных, необходимых для оценки и проведения БВС, для получения более релевантных данных для детального исследования был проведен выезд на место. Муниципальный район Порт-Блэр был выбран для обследования, поскольку в нем находится наибольшее количество зданий. Было обнаружено, что в большинстве зданий использовались каркасы рамного типа. В ходе обследования были изучены железобетонные рамы, несущие конструкции, стальные и деревянные конструкции и выполнена оценка. На основании полученных оценок было сделано заключение, что старые здания более подвержены большим разрушениям в ближайшем будущем, чем недавно построенные.

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Адхарш, Г., Сивакумар, Р., & К.С., С. (2023). ОЦЕНКА СЕЙСМИЧЕСКОЙ УЯЗВИМОСТИ ЗДАНИЙ В ГОРОДЕ ПОРТ-БЛЭР С ИСПОЛЬЗОВАНИЕМ МЕТОДА БЫСТРОГО ВИЗУАЛЬНОГО СКРИНИНГА. International Journal for Computational Civil and Structural Engineering, 19(3), 141–154. https://doi.org/10.22337/2587-9618-2023-19-3-141-154
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The Rapid visual screening tool could be used for the initial screening of buildings through google maps where the plan irregularity in plan can be find out and further study can be done if the full-scale picture is available through internet sources of all the buildings of the selected area.

All though the Port Blair city has shown a steady growth in their infrastructure development and doesn’t show much negative values while screening but the construction practice adopted in the Islands doesn’t meet the regulations of IS13920:2016 of ductile design.

The old buildings which were observed were 50 years old in average which showed significant damage in the crucial areas such as beam column joint.

As the city is of national importance, more detailed visual screening and deep inspection is needed for the buildings which showed the sign of vulnerability during the present study

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