Results 11 to 20 of about 1,008,877 (311)

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

The effect of polypropylene fibres within concrete with regard to fire performance in structures [PDF]

open access: yes, 2008
Purpose – The purpose of this paper is to examine the effect of various polypropylene fibre additions (types and volume) to concrete with regard to explosive spalling when subject to high temperatures similar to those experienced in building or tunnel ...
Alan Richardson   +2 more
core   +1 more source

Influence of external and internal cooling at solidification on strength of brittle duralumin in compression

open access: yesMATEC Web of Conferences, 2018
The causes of the occurrence and influence of inherent stresses, unevenly distributed across the cross section, on the strength of materials are analyzed.
Semko Oleksandr   +4 more
doaj   +1 more source

Fracture toughness of old bridge steel

open access: yesBudownictwo i Architektura, 2013
The subject of paper is related to problems the of fracture toughness of old steel bridge which was taken from the railway bridge, that was loaded during more than 100 years.
Eliza Mytych-Kumańska   +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 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

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

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

Home - About - Disclaimer - Privacy