Results 11 to 20 of about 80,795 (166)

Effect Of Concrete Strength And Stirrup Position On Shear Behavior Of Semi Light Weight High Strength Self-Compacting Concrete Beams

open access: yesEurasian Journal of Science and Engineering, 2023
Self-compacting concrete (SCC) is a new technology of concrete, requiring no consolidation work at site and it can pass through closely spaced reinforcing bars and restricted sections without loss of homogeneity.
Himdad Mohammed Mohammed   +1 more
doaj   +1 more source

Microvoids Evolution in S235JR Steel Subjected to Multi-Axial Stress State

open access: yesEngineering Transactions, 2014
The article presents the results of the experimental and numerical analysis of microvoids evolution in elements made of S235JR steel under multi-axial stress state.
Paweł Grzegorz KOSSAKOWSKI   +1 more
doaj   +1 more source

Constitutive Model for Estimating Concrete Strength Using Ultrasonic Test Considering Mixing Ratios [PDF]

open access: yesمجله مدل سازی در مهندسی, 2019
Evaluation of concrete strength is one of the important issues in the concrete industry and concrete structures. In most cases, during construction, samples of concrete are picked up and after curing, according to the existing standards, they are ...
Mehdi Sabagh Renani   +2 more
doaj   +1 more source

The Historic Root Cellars in Pierzchnica

open access: yesBudownictwo i Architektura, 2013
Paper presents a rather unusual object which is historic root cellars in Pierzchnica. It is a complex of 82 cellars located on the Cellar Hill. The grouping of cellars in one place is unique in the country.
Paweł Kossakowski
doaj   +1 more source

The numerical analysis of micro-damage evolution in damaged element with structural discontinuity

open access: yesBudownictwo i Architektura, 2013
The numerical analysis of microdamage evolution in S235JR steel is presented in the paper. The simulation was performed basing on the Gurson-Tvergaard-Needleman material model which takes into consideration the influence of microdamage to the material ...
Paweł Kossakowski
doaj   +1 more source

Effect of the Stress State Triaxiality on the Value of Limit Strain of Micro-Void Development in S235JR Steel - Numerical Analysis

open access: yesCommunications, 2011
This paper deals with the numerical analysis of plastic deformation and damage development in S235JR steel in complex stress states. The material Gurson Tvergaard Needleman (GTN) model was applied. The analysis was performed for notched bars subjected to
Wiktor Wcislik
doaj   +1 more source

Effect of Initial Porosity on Material Response Under Multi-Axial Stress State for S235JR Steel

open access: yesArchives of Civil Engineering, 2012
The effect of the initial porosity on the material response under multi-axial stress state for S235JR steel using the Gurson-Tvergaard-Needleman (GTN) material model was examined.
Kossakowski P.G.
doaj   +1 more source

Fatigue Strength of an Over One Hundred Year Old Railway Bridge

open access: yesThe Baltic Journal of Road and Bridge Engineering, 2013
The paper analyzes the fatigue strength of steel sampled from a railway bridge with a service life of over hundred years. The fatigue strength of the material was used to analyze the structural capacity of this railway bridge with such life expectancy ...
Paweł Grzegorz Kossakowski
doaj   +1 more source

Influence of Initial Porosity on Strength Properties of S235JR Steel at Low Stress Triaxiality

open access: yesArchives of Civil Engineering, 2012
The paper discusses the influence of the initial parameters on the strength parameters of S235JR steel at low stress triaxiality. The analysis was performed using the Gurson-Tvergaard-Needleman (GTN) material model, which takes into consideration the ...
Kossakowski P.G.
doaj   +1 more source

The Experimental Assessment Of The Effect Of Paper Waste Ash And Silica Fume On Improvement Of Concrete Behavior [PDF]

open access: yesمهندسی عمران شریف, 2021
The idea of using paper wastes in concrete to reduce environmental pollution and Silica fume to improve the properties of concrete is a huge transformation in the building industry.
J. Pourazar   +4 more
doaj   +1 more source

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