Numerical investigation on seismic behaviour of aged concrete gravity dams to near source and far source ground motions

S Gorai, D Maity - Natural Hazards, 2021 - Springer
This study presents a numerical investigation on the seismic behaviour of aged concrete
gravity dams under near source and far source ground motions. Two-dimensional …

A unified approach for long-term behavior and seismic response of AAR-affected concrete dams

J Pan, Y Xu, F Jin, C Zhang - Soil Dynamics and Earthquake Engineering, 2014 - Elsevier
Concrete dams suffering from alkali-aggregate reaction (AAR) exhibit swelling and
deterioration of concrete or even cracking over a long period. The deterioration of concrete …

Concrete deterioration effects on dynamic behavior of gravity dam–reservoir interaction problems

AY Rasa, A Budak, OA Düzgün - Journal of Vibration Engineering & …, 2024 - Springer
Purpose In this paper, the dynamic behavior of ageing concrete gravity dam–reservoir
interaction problem is investigated over the ages. The effects of ageing in concrete due to …

Seismic Performance Evaluation of Concrete Gravity Dams in Finite-Element Framework

S Gorai, D Maity - Practice Periodical on Structural Design and …, 2022 - ascelibrary.org
This article deals with the seismic performance evaluation of concrete gravity dams
considering fluid–structure–soil interaction in a finite-element framework. Two-dimensional …

An AHP-DEMATEL health diagnosis model and its application in the Shuikou dam

J Yang, S Hu, S Hu, S Wang - Arabian Journal of Geosciences, 2022 - Springer
With the unprecedented hydropower development over the last five decades, consequently,
it is essential to conduct an evaluation and prediction of service performance for China's …

Seismic damage analysis of aged concrete gravity dams

P Nayak, D Maity - International Journal for Computational …, 2013 - Taylor & Francis
The design of a concrete gravity dam must provide the ability to withstand the seismic forces
for which nonlinear behavior is expected. The nonlinear seismic response of the dam may …

Seismic damage behavior of gravity dams under the effect of concrete inhomogeneity

J Pan - Journal of Earthquake Engineering, 2021 - Taylor & Francis
Dam concrete exhibits inhomogeneity due to its inherent material characteristic, construction-
induced cracks/defects, and aging deterioration. The inhomogeneity may affect earthquake …

[PDF][PDF] Numerical prediction of stress and displacement of ageing concrete dam due to alkali-aggregate and thermal chemical reaction

NZN Azizan, A Mandal, TA Majid, D Maity… - Struct Eng …, 2017 - researchgate.net
The damage of concrete due to the expansion of alkali-aggregate reaction (AAR) and
thermal-chemical reactions affecting the strength of concrete is studied. The empirical …

Modal analysis of concrete gravity dam incorporating pre-stress condition along with soil–structure interaction

A Sharma - World Journal of Engineering, 2024 - emerald.com
Modal analysis of concrete gravity dam incorporating pre-stress condition along with soil–structure
interaction | Emerald Insight Books and journals Case studies Expert Briefings Open Access …

Experimental study on AE behavior of hydraulic concrete under compression

HZ Su, JJ Tong, J Hu, ZP Wen - Meccanica, 2013 - Springer
The research work of this paper is to quantitatively evaluate the ongoing damage degree of
existing concrete structures being loaded by applying acoustic emission (AE) monitoring. On …