Search Results - "Golewski, Grzegorz Ludwik"

Validation of the favorable quantity of fly ash in concrete and analysis of crack propagation and its length – Using the crack tip tracking (CTT) method – In the fracture toughness examinations under Mode II, through digital image correlation by Golewski, Grzegorz Ludwik

“…[Display omitted] •The results of fracture toughness KIIc of fly ash concrete were validated through DIC method.•There is a correlation between KIIc parameter…”
Get full text

Combined Effect of Coal Fly Ash (CFA) and Nanosilica (nS) on the Strength Parameters and Microstructural Properties of Eco-Friendly Concrete by Golewski, Grzegorz Ludwik

“…Disposal of the coal fly ash (CFA) generated from thermal power plants in huge quantities is one of the major concerns for the industry, as well as the natural…”
Get full text

Fracture Performance of Cementitious Composites Based on Quaternary Blended Cements by Golewski, Grzegorz Ludwik

“…This study presents test results and in-depth discussion regarding the measurement of the fracture mechanics parameters of new concrete composites based on…”
Get full text

The Effect of the Addition of Coal Fly Ash (CFA) on the Control of Water Movement within the Structure of the Concrete by Golewski, Grzegorz Ludwik

“…Studies were carried out to find a relation between the important physical property, i.e., water absorption and the main mechanical parameter, i.e.,…”
Get full text

Green Concrete Based on Quaternary Binders with Significant Reduced of CO2 Emissions by Golewski, Grzegorz Ludwik

“…The article presents studies of plain concretes prepared based on a quaternary binder containing various percentages of selected supplementary cementitious…”
Get full text

Measurement of fracture mechanics parameters of concrete containing fly ash thanks to use of Digital Image Correlation (DIC) method by Golewski, Grzegorz Ludwik

“…•Determination of the fracture toughness KIcS and CTODc in concretes containing: 0, 20 and 30% volume content of FA additive.•Application of Digital Image…”
Get full text

Concrete Composites Based on Quaternary Blended Cements with a Reduced Width of Initial Microcracks by Golewski, Grzegorz Ludwik

“…This article is devoted to the study of the combined effect of siliceous fly ash (FA), silica fume (SF), and nanosilica (nS) on the cement matrix morphology…”
Get full text

The Phenomenon of Cracking in Cement Concretes and Reinforced Concrete Structures: The Mechanism of Cracks Formation, Causes of Their Initiation, Types and Places of Occurrence, and Methods of Detection—A Review by Golewski, Grzegorz Ludwik

“…Cracks and cavities belong to two basic forms of damage to the concrete structure, which may reduce the load-bearing capacity and tightness of the structure…”
Get full text

Changes in the Fracture Toughness under Mode II Loading of Low Calcium Fly Ash (LCFA) Concrete Depending on Ages by Golewski, Grzegorz Ludwik

“…This study investigated the influence of the curing time on the fracture toughness of concrete produced with different content of low calcium fly ash (LCFA)…”
Get full text

Assessing of water absorption on concrete composites containing fly ash up to 30 % in regards to structures completely immersed in water by Golewski, Grzegorz Ludwik

“…The studies were carried out to find a relation between important physical property and the main mechanical parameter of concretes containing fly ash (FA) in…”
Get full text

Energy Savings Associated with the Use of Fly Ash and Nanoadditives in the Cement Composition by Golewski, Grzegorz Ludwik

“…The paper presented herein investigates the effects of using supplementary cementitious materials (SCMs) in quaternary mixtures on the compressive strength and…”
Get full text

Mechanical properties and brittleness of concrete made by combined fly ash, silica fume and nanosilica with ordinary Portland cement by Golewski, Grzegorz Ludwik

“…This paper introduced a new concrete composites made by quaternary binder by partially replacing ordinary Portland cement (OPC) with different percentages of…”
Get full text

Effect of curing time on the fracture toughness of fly ash concrete composites by Golewski, Grzegorz Ludwik

“…•Determination of the antiplane shear fracture toughness KIIIc in concretes containing fly ash.•The influence of curing time was analysed.•The relationship…”
Get full text

Determination of fracture toughness in concretes containing siliceous fly ash during mode III loading by Golewski, Grzegorz Ludwik

“…This paper describes laboratory tests carried out to evaluate the influence of class F fly ash (FA) on fracture toughness of plain concretes, specified at the…”
Get full text

Application of the C-S-H Phase Nucleating Agents to Improve the Performance of Sustainable Concrete Composites Containing Fly Ash for Use in the Precast Concrete Industry by Golewski, Grzegorz Ludwik, Szostak, Bartosz

“…Siliceous fly ash (FA) is the main additive to currently produced concretes. The utilization of this industrial waste carries an evident pro-ecological factor…”
Get full text

Strength and microstructure of composites with cement matrixes modified by fly ash and active seeds of C-S-H phase by Grzegorz Ludwik Golewski, Bartosz Szostak

“…Fly ash (FA) is the main additive to concretes currently produced. This substitute of ordinary Portland cement (OPC) have a positive effect on the structure…”
Get full text

Rheology of Cement Pastes with Siliceous Fly Ash and the CSH Nano-Admixture by Szostak, Bartosz, Golewski, Grzegorz Ludwik

“…The use of fly ash in cement composites adversely affects its mechanical properties during the first days of mixture curing. Modern technology, in the form of…”
Get full text

Improvement of fracture toughness of green concrete as a result of addition of coal fly ash. Characterization of fly ash microstructure by Golewski, Grzegorz Ludwik

“…Composites with the addition of coal fly ash (CFA) can be included in the sustainable and green concrete. Effective promotion of green concrete incorporating…”
Get full text

The Role of Pozzolanic Activity of Siliceous Fly Ash in the Formation of the Structure of Sustainable Cementitious Composites by Golewski, Grzegorz Ludwik

“…The following article introduces, in a thorough manner, how the chemical pozzolanic reaction takes place in cement composites containing the fly ash (FA)…”
Get full text

A new principles for implementation and operation of foundations for machines: A review of recent advances by Grzegorz Ludwik Golewski

“…The aim of this paper is to present the most important issues on the implementation, operation and maintenance of foundation for machines. The article presents…”
Get full text