Dynamic Analysis of Hirakud Dam Due to Seismic Forces

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Dr. Gaurva Verma
Dr. Gaurva Verma
σ
Dr.M.K.Verma
Dr.M.K.Verma
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Dr.R.K.Tripathi
Dr.R.K.Tripathi
α National Institute of Technology Raipur

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Dynamic Analysis of Hirakud Dam Due to Seismic Forces

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Abstract

The present study investigates and analyses the behavior of a concrete gravity dam during the strong ground horizontal motions due to an earthquake with CADAM. The model in thesis is the structure of Hirakud gravity dam. Hirakud dam across river Mahanadi in eastern India is a composite structure of earth, concrete and masonry. Length of the main dam is 4.80 Km, flanked by 21 km earthen dykes on left and right sides, making a total length of 25.8km. Two concrete spillways of average height 45.75 m and maximum height 60.96 m are located in the two arms of the river. Hirakud dam has been built at Latitude 210-32′ N and Longitude 830-52’E across river Mahanadi at about 15 km upstream of Sambalpur town. This is the first post independence major multipurpose river valley project in India. It hasn’t ever shakes under the influence of powerful ground motions in the area. Because of lowness and special firmness of the structure it behaves like a solid body, therefore the structure should be compared with many different earthquake accelerations and then the maximum vibration of the body is considerable. After linear dynamic analysis with CADAM the results show the stresses on the body of the dam are relative to particularity of each earthquake like magnitude, epicenter distance and PGA .The body of dam is modeled two dimensional in CADAM.

References

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Dr. Gaurva Verma. 1970. \u201cDynamic Analysis of Hirakud Dam Due to Seismic Forces\u201d. Global Journal of Research in Engineering - E: Civil & Structural GJRE-E Volume 13 (GJRE Volume 13 Issue E1): .

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Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

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The present study investigates and analyses the behavior of a concrete gravity dam during the strong ground horizontal motions due to an earthquake with CADAM. The model in thesis is the structure of Hirakud gravity dam. Hirakud dam across river Mahanadi in eastern India is a composite structure of earth, concrete and masonry. Length of the main dam is 4.80 Km, flanked by 21 km earthen dykes on left and right sides, making a total length of 25.8km. Two concrete spillways of average height 45.75 m and maximum height 60.96 m are located in the two arms of the river. Hirakud dam has been built at Latitude 210-32′ N and Longitude 830-52’E across river Mahanadi at about 15 km upstream of Sambalpur town. This is the first post independence major multipurpose river valley project in India. It hasn’t ever shakes under the influence of powerful ground motions in the area. Because of lowness and special firmness of the structure it behaves like a solid body, therefore the structure should be compared with many different earthquake accelerations and then the maximum vibration of the body is considerable. After linear dynamic analysis with CADAM the results show the stresses on the body of the dam are relative to particularity of each earthquake like magnitude, epicenter distance and PGA .The body of dam is modeled two dimensional in CADAM.

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Dynamic Analysis of Hirakud Dam Due to Seismic Forces

Dr. Gaurva Verma
Dr. Gaurva Verma National Institute of Technology Raipur
Dr.M.K.Verma
Dr.M.K.Verma
Dr.R.K.Tripathi
Dr.R.K.Tripathi

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