Outputs (40)

An evolutionary-based polynomial regression modeling approach to predicting discharge flow rate under sheet piles (2023)
Journal Article
Asr, A. A., Johari, A., & Javadi, A. A. (2023). An evolutionary-based polynomial regression modeling approach to predicting discharge flow rate under sheet piles. Engineering with Computers, 39(6), 4093-4101. https://doi.org/10.1007/s00366-023-01872-1

The discharge flow rate beneath sheet plies is an essential parameter in designing these water retaining structures. This paper presents a unified framework for modeling and predicting discharge flow rate using an evolutionary-based polynomial regres... Read More about An evolutionary-based polynomial regression modeling approach to predicting discharge flow rate under sheet piles.

Numerical investigation into the effects of geometrical alterations in cut-off walls on seepage through water-retaining structures (2023)
Presentation / Conference
Thomas, A. J., & Asr, A. A. (2023, April). Numerical investigation into the effects of geometrical alterations in cut-off walls on seepage through water-retaining structures. Paper presented at 2023 Annual Conference of the UK Association for Computational Mechanics., University of Warwick

In this paper numerical analysis has been conducted to expand existing research on cut-off walls from previous studies such as [1],[2]. This study is aimed at studying a unique geometric alignment design that accommodates ‘branches’ on either side of... Read More about Numerical investigation into the effects of geometrical alterations in cut-off walls on seepage through water-retaining structures.

Effective stress parameter in unsaturated soils : an evolutionary-based prediction model (2021)
Journal Article
Ahangar Asr, A., & Javadi, A. (2021). Effective stress parameter in unsaturated soils : an evolutionary-based prediction model. Proceedings of the Institution of Civil Engineers. Smart infrastructure and construction, 173(4), 96-105. https://doi.org/10.1680/jsmic.21.00012

Deformations and failures in unsaturated soils are influenced directly by the effective stress calculated using the stress equation affected by the effective stress parameter. A data mining-based approach, the Evolutionary Polynomial Regression (EPR)... Read More about Effective stress parameter in unsaturated soils : an evolutionary-based prediction model.

Numerical Investigation into the effects of cavities on stability of slopes and seepage through earth dams under rapid drawdown condition (2020)
Thesis
Alateya, H. Numerical Investigation into the effects of cavities on stability of slopes and seepage through earth dams under rapid drawdown condition. (Thesis). University of Salford

The stability of dams and natural slopes is a significant and interesting issue and one of the key challenges in the civil engineering field. Cavities forming under earth structures are problematic in the field of geotechnical engineering and may lea... Read More about Numerical Investigation into the effects of cavities on stability of slopes and seepage through earth dams under rapid drawdown condition.

Numerical investigation into the stability of earth dam slopes considering the effects of cavities (2020)
Journal Article
Al-ateya, H., & Ahangar Asr, A. (2020). Numerical investigation into the stability of earth dam slopes considering the effects of cavities. Engineering Computations, 37(4), 1397-1421. https://doi.org/10.1108/EC-03-2019-0101

This research is an attempt to estimate the influence of the presence of cavities on the stability of slopes in earth dams under rapid drawdown conditions. The aim of the investigation is to study the influence of different factors, such as the dia... Read More about Numerical investigation into the stability of earth dam slopes considering the effects of cavities.

The joint influence of cavities presence and rapid drawdown condition on discharge rate through earth dams (2019)
Presentation / Conference
Al-Ateya, H., & Ahangar Asr, A. (2019, April). The joint influence of cavities presence and rapid drawdown condition on discharge rate through earth dams. Presented at 26th Annual Conference of the UK Association for Computational Mechanics (UKACM), City University London, UK

Seepage measurement and control is one of the most significant considerations in designing and safety of earth dams. This numerical study aims to simulate the influence of cavities presence on seepage through earth dams taking into account rapid dr... Read More about The joint influence of cavities presence and rapid drawdown condition on discharge rate through earth dams.

Stratified slopes, numerical and empirical stability analysis (2018)
Journal Article
Sauffisseau, R., & Ahangar Asr, A. (2018). Stratified slopes, numerical and empirical stability analysis. Proceedings of the ICE - Engineering and Computational Mechanics, 171(4), 174-185. https://doi.org/10.1680/jencm.18.00017

Urbanisation means that many natural slopes in and around cities are often subjected to cuts resulting in dramatic changes in the geometry of slope faces mostly by increasing slope angle which could lead to failures with catastrophic consequences.... Read More about Stratified slopes, numerical and empirical stability analysis.

An evolutionary modelling approach to predicting stress-strain behaviour of saturated granular soils (2018)
Journal Article
Ahangar Asr, A., Faramarzi, A., & Javadi, A. (2018). An evolutionary modelling approach to predicting stress-strain behaviour of saturated granular soils. Engineering Computations, 35(8), 2931-2952. https://doi.org/10.1108/EC-01-2018-0025

Purpose: To develop a unified framework for modelling triaxial deviator stress - axial strain and volumetric strain – axial strain behaviour of granular soils with the ability to predict the entire stress paths, incrementally, point by point, in de... Read More about An evolutionary modelling approach to predicting stress-strain behaviour of saturated granular soils.

An evolutionary-based modelling approach for predicting the effective stress parameter in unsaturated soils (2018)
Presentation / Conference
Ahangar Asr, A., & Javadi, A. (2018, August). An evolutionary-based modelling approach for predicting the effective stress parameter in unsaturated soils. Presented at The 7th International Conference on Unsaturated Soils UNSAT2018, Hong Kong, China

Effective stress parameter affects the stress equation and is implemented to calculate the effective stress value which directly influences deformations and failures in unsaturated soils. Evolutionary polynomial regression is a data mining-based tech... Read More about An evolutionary-based modelling approach for predicting the effective stress parameter in unsaturated soils.

Numerical analysis of the influence of cavities on seepage through earth dams (2018)
Presentation / Conference
Alateya, H., & Ahangar Asr, A. (2018, June). Numerical analysis of the influence of cavities on seepage through earth dams. Presented at 6th European Conference on Computational Mechanics (ECCM 6) & 7th European Conference on Computational Fluid Dynamics (ECFD 7), Glasgow, UK

Seepage through earth dams is one of the main reasons of sudden earth dam failures through weakening the earth dam structure and the piping phenomenon. Cavities existence under the hydraulic structures can lead to heavy structural financial damages a... Read More about Numerical analysis of the influence of cavities on seepage through earth dams.