Samuel Abbey's Outputs (55)

Numerical investigation of tension reinforcement lap length of eurocode 2 using a four-point beam loading system (2019)
Journal Article

© 2019 Latin American Journal of Solids and Structures. All rights reserved. This report presents a computational research on Eurocode 2 (EC2) tension lap lengths (lo) design in a normally reinforced concrete beam, using ANSYS Workbench simulation so... Read More about Numerical investigation of tension reinforcement lap length of eurocode 2 using a four-point beam loading system.

Dynamic analysis of Footbridge to Eurocode (case study on Leventis Footbridge, Aba Road, Port Harcourt) (2019)
Journal Article

This research project presents a dynamic structural analysis of footbridges as per Eurocode (case study on Leventis Footbridge, Aba Road, Port Harcourt). The footbridge was simulated using a commercial finite element software; Midas FEA. The crowd-fo... Read More about Dynamic analysis of Footbridge to Eurocode (case study on Leventis Footbridge, Aba Road, Port Harcourt).

Development of improved models for estimation of bursting stresses in elements under high-concentrated load (2018)
Journal Article

© 2019, Brazilian Association of Computational Mechanics. All rights reserved. In precast concrete segmental tunnels, radial and circumferential joints are often the most highly stressed parts and it is therefore important to use appropriate equation... Read More about Development of improved models for estimation of bursting stresses in elements under high-concentrated load.

Effect of intrinsic microscopic properties and suction on swell characteristics of compacted expansive clays (2018)
Journal Article

© 2018 Elsevier Ltd The complex swelling mechanism in expansive clays during moisture ingress can be succinctly explained by an examination of their core mineralogy, microfabric, grain size and suction response. This note has attempted to investigate... Read More about Effect of intrinsic microscopic properties and suction on swell characteristics of compacted expansive clays.

Structural performance of a modified shear-head assembly for edge steel column embedded in reinforced concrete slab (2018)
Journal Article

© 2018 by the authors; licensee Growing Science, Canada. This paper presents a study on the structural performance of a modified shear-head assembly for edge steel column embedded in reinforced concrete slab. The structural performance was investigat... Read More about Structural performance of a modified shear-head assembly for edge steel column embedded in reinforced concrete slab.

Strength and Hydraulic Conductivity of Cement and By -Product Cementitious Materials Improved Soil (2018)
Journal Article

This paper presents an experimental investigation on strength and hydraulic conductivity of a fine grained soil mixed with cement, Pulverised Fly Ash and Ground Granulated Blast Slag. Strength and permeability are important properties that defines th... Read More about Strength and Hydraulic Conductivity of Cement and By -Product Cementitious Materials Improved Soil.

Non-Linear Analysis of Precast Concrete Segment Joints under High Compressive Loads (2018)
Journal Article

When a precast concrete tunnel lining is loaded, the joints rotate as the lining deforms leading to varying contact lengths. This paper presents a numerical study on a precast concrete segment joint subjected to a high compressive loading, using nonl... Read More about Non-Linear Analysis of Precast Concrete Segment Joints under High Compressive Loads.

Investigation of intrinsic de-bonding in bonded concrete overlays: Material characterisation and numerical study (2018)
Journal Article

© 2018 Growing Science Ltd. All rights reserved. This study investigates the evolution of intrinsic interfacial de-bonding of Roller Compacted Steel Fibre Reinforced Polymer Modified Concrete (RC-SFR-PMC) bonded on substrate Ordinary Portland Cement... Read More about Investigation of intrinsic de-bonding in bonded concrete overlays: Material characterisation and numerical study.

Development of strength models for prediction of unconfined compressive strength of cement/byproduct material improved soils (2017)
Journal Article

© 2017 ASTM International. All rights reserved. This paper presents the possible inclusion of pulverized fuel ash (PFA) and ground granulated blast slag (GGBS) in cement deep soil mixing for enhancement of unconfined compressive strength (UCS) of wea... Read More about Development of strength models for prediction of unconfined compressive strength of cement/byproduct material improved soils.

Investigative Modelling of Behaviour of Expansive Soils Improved using Soil Mixing Technique (2017)
Journal Article

This paper presents an investigative modelling of the behaviour of expansive soils improved using the soil mixing technique. In this study, the effect of cement and the inclusion of cementitious by-product materials such as Pulverised Fuel Ash (PFA)... Read More about Investigative Modelling of Behaviour of Expansive Soils Improved using Soil Mixing Technique.

Mechanism of hydraulic fracturing in cohesive zone of embankment dam cores - A review (2017)
Journal Article

Estimation of critica fracturing in fill dam experimental studies fracturing, model tests, numerical simulations and field tests methodologies. Since hydraulic fracturing is m been given much consideration can be trusted and is fixed cohesive zone of... Read More about Mechanism of hydraulic fracturing in cohesive zone of embankment dam cores - A review.

Evaluation of equivalent delamination driving coefficient in bonded concrete overlays (2017)
Journal Article

This study investigates failure due to interfacial delamination in a bonded concrete overlay system comprising Polymer Modifies Roller Compacted Concrete (PMRCC) overlay and substrate Ordinary Portland Concrete (OPC). Optimum overlay mix was designed... Read More about Evaluation of equivalent delamination driving coefficient in bonded concrete overlays.

Effect of overlap distance and chord angle on performance of overlapping soil-cement columns (2017)
Journal Article

The stress distribution in deep mixing improved columns is affected by cement content and in-situ soil properties of the surrounding soil. Group of cement improved soil column can be overlapped to form a shear wall which can support side slopes of em... Read More about Effect of overlap distance and chord angle on performance of overlapping soil-cement columns.

Effect of cement and by-product material inclusion on plasticity of deep mixing improved soils (2016)
Journal Article

Understanding the performance of deep mixed column improved soils - A review (2015)
Journal Article

The essence of ground improvement is to enhance the engineering properties of weak soils to provide stability and sufficient bearing capacity for construction and other engineering purposes. Deep soil mixing is one method that has been widely employe... Read More about Understanding the performance of deep mixed column improved soils - A review.