Results 21 to 30 of about 19,442 (265)

Crack Width and Load-Carrying Capacity of RC Elements Strengthened with FRP

International Journal of Polymer Science, 2018
The present study focuses on a prediction of crack width and load-carrying capacity of flexural reinforced concrete (RC) elements strengthened with fibre-reinforced polymer (FRP) reinforcements.
Justas Slaitas, Mykolas Daugevičius, Juozas Valivonis, Tatjana Grigorjeva   +3 more
doaj   +1 more source

Flexural capacity and stiffness of monolithic biaxial hollow slabs

Journal of Civil Engineering and Management, 2014
The article presents a research on flexural behaviour of hollow monolithic reinforced concrete slabs. It focuses on the results of experimental investigation into full-size hollow reinforced concrete slabs and analyses their flexural capacity and ...
Juozas Valivonis, Bronius Jonaitis, Robertas Zavalis, Tomas Skuturna, Arnoldas Šneideris   +4 more
doaj   +1 more source

Application of X-Shaped CFRP Ropes for Structural Upgrading of Reinforced Concrete Beam–Column Joints under Cyclic Loading–Experimental Study

Fibers, 2021
The effectiveness of externally applied fiber-reinforced polymer (FRP) ropes made of carbon fibers in X-shape formation and in both sides of the joint area of reinforced concrete (RC) beam–column connections is experimentally investigated. Six full-scale
Emmanouil Golias, Adamantis G. Zapris, Violetta K. Kytinou, Mourhat Osman, Michail Koumtzis, Danai Siapera, Constantin E. Chalioris, Chris G. Karayannis   +7 more
doaj   +1 more source

Predictive Stress Modeling of Resilient Modulus in Sandy Subgrade Soils

Infrastructures, 2023
The mechanical properties of pavement materials are crucial to the design and performance of flexible pavements. One of the most commonly used measures of these properties is the resilient modulus (Er). Many different models were developed to predict the
Tadas Tamošiūnas, Šarūnas Skuodis
doaj   +1 more source

Numerical and experimental studies of bent elements of basalt fiber reinforced concrete with prestressed glass composite reinforcement under static and short-term dynamic loads [PDF]

EPJ Web of Conferences, 2019
The article shows studies of bending basalt fiber reinforced concrete elements with pre-stressed glass composite reinforcement under static and short-term dynamic effects. Main results of numerical and experimental studies are presented.
Plevkov Vasilii, Kudyakov Konstantin
doaj   +1 more source

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

MATEC 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, Fenko Oleksii, Hasenko Anton, Harkava Olha, Kyrychenko Volodymyr   +4 more
doaj   +1 more source

Calculation Model for Steel Fibre Reinforced Concrete Punching Zones of Bridge Superstructure and Foundation Slabs

The Baltic Journal of Road and Bridge Engineering, 2011
The usage of steel fibre reinforced concrete in monolithic joins is well known as a good alternative of additional reinforcement because of chaotic distribution of steel fibres in complex stress ant strain state. Unfortunately, the analysis of well known
Gediminas Marčiukaitis, Remigijus Šalna, Bronius Jonaitis, Juozas Valivonis   +3 more
doaj   +1 more source

Tunnels in Gediminas Hill (Vilnius, Lithuania): Evaluation of a New Tunnel Found in 2019

Buildings
This article provides a concise overview of the existing tunnels located within the historic cultural heritage site of Gediminas Hill in Vilnius, with particular emphasis on the implications of a recently discovered tunnel.
Šarūnas Skuodis, Mykolas Daugevičius, Jurgis Medzvieckas, Arnoldas Šneideris, Aidas Jokūbaitis, Justinas Rastenis, Juozas Valivonis   +6 more
doaj   +1 more source

Profound Leadership Strategies: Transcending the Leadership Crisis in the Age of Artificial Intelligence

New Directions for Adult and Continuing Education, EarlyView.
ABSTRACT This article examines the evolving role of organizational leadership amidst the rapid advancements in artificial intelligence (AI). It explores a broadly experienced and documented crisis in leadership, due in part to the disruptive nature of AI and emerging technology.
Rachel Wlodarsky, Davin Carr Chellman
wiley   +1 more source

Features of performance of concrete and reinforced concrete structures of industrial facilities operated under impact of increased and high temperatures

MATEC Web of Conferences, 2017
Currently, the Normative base of Ukraine has moved to European standards. The process of harmonization with the Eurocodes was completed, new national normative documents of DBN and DSTU were developed and put into effect.
Fomin Stanislav, Plakhotnikova Iryna, Butenko Serhii   +2 more
doaj   +1 more source