Browsing by Department "Statinių ir tiltų konstrukcijų institutas / Institute of Building and Bridge Structures"
Now showing items 21-40 of 108
-
Comparative analysis of flexural stiffness of concrete elements with different types of composite reinforcement systems
(Mokslas – Lietuvos ateitis. Statybos inžinerija = Science – Future of Lithuania. Civil engineering, 2021)Various materials and reinforcement technologies have been created for concrete structures. However, there is no uniform methodology to compare the mechanical characteristics of different reinforcement systems. In structural ... -
Compressive properties of a novel slurry-infiltrated fiber concrete reinforced with arc-shaped steel fibers
(Journal of Zhejiang University-science A, 2023)Slurry-infiltrated fiber concrete (SIFCON) is a sort of strain hardening cement-based composite material, typically made with 5%–20% steel fibers. This study focused on a novel type of SIFCON in which hooked-end steel ... -
Concurrent paste replacement and aggregate replacement strategy for producing eco-efficient and low-carbon concrete
(Clean technologies and environmental policy, 2022)To reduce the consumptions of cement and natural aggregate, and thereby achieve better eco-efficiency in concrete production, the strategy of adding a powder waste as a filler to substitute part of cement paste without ... -
Continuously reinforced polymeric composite for additive manufacturing—development and efficiency analysis
(Polymers, 2022)Additive manufacturing (AM) is a rapidly growing technology, referring to a 3D design process by which digital data builds a physical object in layers by depositing the printed material. The AM has evolved in the aviation, ... -
Crack analysis of concrete bending members based on reinforcement strain profile between primary cracks
(Proceedings of the international conference on Sustainable Materials, Systems and Structures (SMSS 2019). Challenges in design and management of structures, 20-22 March 2019, Rovinj, Croatia / edited by Ana Mandić Ivanković, Marija Kušter Marić, Alfred Strauss, Tomislav Kišiček, 2019)Cracking models of reinforced concrete (RC) applied in practice heavily rely on empiricism. The models suggested by Eurocode 2 and Model Code are based on the empirically established effective concrete area. The authors ... -
Crack spacing model for FRP reinforced concrete beams based on stress-transfer approach
(IABSE symposium. Guimarães 2019. Towards a resilient built environment - Risk and asset management, March 27-29, 2019, Guimarães, Portugal, 2019)The present study develops a mean crack spacing model for fibre-reinforced polymer (FRP) reinforced concrete (FRP-RC) beams. The proposed model is based on stress-transfer approach and compatibility of mean strain in the ... -
Cracking of concrete prisms reinforced with multiple bars in tension–the cover effect
(Engineering structures, 2020)Cracking effects are the intrinsic attribute of serviceability analysis of reinforced concrete elements. These effects are the research object of numerous studies, which have been carried out for more than half a century. ... -
Curing temperatures effect on explosive spalling in alumina cement-based concretes
(Proceedings of the fourth European and Mediterranean structural engineering and construction conference, Leipzig, Germany, June 20 - June 25, 2022, 2022)Alumina cement (AC) based refractory concretes are the primary building materials for steel, cement, glass, ceramics, and chemical industries. Those advanced materials are efficient at high operation temperatures (up to ... -
Curvature-based analysis of concrete beams reinforced with steel bars and fibres
(Structural engineering and mechanics, 2022)Steel fibre-reinforced concrete (SFRC) is an emerging class of composite for construction. However, a reliable method to assess the flexural behaviour of SFRC structural member is in lack. An analytical technique is proposed ... -
Damage of bond in reinforced concrete: a detailed finite element analysis
(Structural concrete, 2021)Numerical simulation of the bond is a powerful and versatile tool to analyse different aspects of reinforcement and concrete interaction, such as the formation of internal cracks, damage of concrete around the bar or bond ... -
Deformation analysis of reinforced beams made of lightweight aggregate concrete
(Materials: Special issue: Advances in lightweight aggregate concrete, 2020)In the present trend of constructing taller and longer structures, the application of lightweight aggregate concrete is becoming an increasingly important advanced solution in the modern construction industry. In engineering ... -
Deformation and cracking behaviour of concrete beams reinforced with glass fibre-reinforced polymer bars
(IABSE Symposium. Guimarães 2019. Towards a resilient built environment - Risk and asset management, March 27-29, 2019, Guimarães, Portugal, 2019)This paper reports the experimental and numerical studies of concrete beams reinforced with glass fibre-reinforced polymer (GFRP) reinforcing bars with and without the addition of steel fibres. GFRPreinforced concrete beam ... -
Deformations of FRP–concrete composite beam: experiment and numerical analysis
(Applied sciences, 2019)Advanced materials have been created for structural application during the past decades. Engineers, however, faced severe problems due to the absence of a reliable technique for ensuring the required structural properties ... -
Determination and modelling of bond properties of synthetic macro-fibres in concrete
(Mokslas – Lietuvos ateitis. Statybos inžinerija = Science – Future of Lithuania. Civil engineering, 2021)Bond behaviour of a synthetic macro-fibre in concrete is the object of this research. The bond strength and stiffness are the parameters characterising the bonding mechanism that determines the efficiency of the reinforcing ... -
Developing a hybrid FRP-concrete composite beam
(Scientific reports, 2022)Current materials engineering trends put forward the development of efficient structural solutions. The steel replacement with fiber-reinforced polymers (FRP) exemplifies the key to the corrosion problem. However, the ... -
Development of an anchorage prototype for CFRP stress-ribbon systems using 3D printing technique
(The 13th international conference “Modern building materials, structures and techniques”, 16–17 May, 2019, Vilnius, Lithuania, 2019)Compared with other structure types, stress-ribbon systems are extremely simple though requiring massive anchorage blocks because of very large tensile stresses induced in the ribbons. Such structural systems are efficient ... -
Development of an anchorage prototype for CFRP stress-ribbon systems using 3D printing technique
(International Conference Modern Building Materials, Structures and Techniques (MBMST 2019), 2019)Compared with other structure types, stress-ribbon systems are extremely simple though requiring massive anchorage blocks because of very large tensile stresses induced in the ribbons. Such structural systems are efficient ... -
Discussion on Pak, Hongrak, Leach, Samuel, Yoon, Seung Hyun, and Paal, Stephanie German (2023) "A knowledge transfer enhanced ensemble approach to predict the shear capacity of reinforced concrete deep beams without stirrups." Computer-Aided Civil and Infrastructure Engineering
(Computer-aided civil and infrastructure engineering, 2023) -
Effect of hollow corundum microspheres additive on physical and mechanical properties and thermal shock resistance behavior of refractory castable
(5th international conference “Innovative materials, structures and technologies” IMST 2022, 2022)Most high temperature processes in industrial furnaces are combined with cycles of heating and cooling. In these applications, refractory materials are exposed to temperature gradient during operation, which causes thermal ... -
Effect of low oxidation graphene oxide on physical and mechanical properties of MCC type refractory castable
(Modern Building Materials, Structures and Techniques MBMST 2023, 5-6 October, Vilnius, Lithuania, 2024)The present work investigates medium cement content (MCC) refractory castable modified by graphene oxide (GO) having oxidation degree of ~ 4. For the evaluation of the effect of GO on the hydration and structure of the ...