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Relevant bibliographies by topics / Main load-bearing elements

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Dissertations / Theses
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Academic literature on the topic 'Main load-bearing elements'

Author: Grafiati

Published: 4 June 2021

Last updated: 13 February 2022

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Journal articles on the topic "Main load-bearing elements"

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Chaaruchandra, Korde, Ashok Gupta, and P. Sudhakar. "Experimental Study of Twin Bamboo Concrete Composite Column under Laterally Restrained Pure Axial Loading." Key Engineering Materials 517 (June 2012): 203–7. http://dx.doi.org/10.4028/www.scientific.net/kem.517.203.

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Bamboo has a huge potential to be used under affordable housing. The beauty about bamboo is that it has an inherent negative carbon foot print in its natural round form. This ability can aid in developing a nearly zero carbon foot print construction using round bamboo. Also, it has been observed in India that the traditional constructions of houses are with bamboo used as a load distributor and not as a main load bearing element. The key to achieve higher bending strength, required for main load bearing elements, is through enhancing the second moment of area to achieve desired bending strengt

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Djuricic, Djordje, Biljana Scepanovic, Mitar Misovic, and Dusko Lucic. "Ultimate Load Bearing Capacity of Web Members of Lattice Aluminium Structures Made of CHS Profiles." Key Engineering Materials 710 (September 2016): 351–56. http://dx.doi.org/10.4028/www.scientific.net/kem.710.351.

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A joint of lattice aluminium welded structure made of circular hollow sections (CHS) has been analysed. Aluminium alloy EN AW 6082-T6 was used. Calculation of ultimate load bearing capacity of lattice structure web member assumes check of element load bearing capacity for the following calculation situations:- calculation of ultimate load bearing capacity of compressed elements with the influence of buckling,- calculation of ultimate load bearing capacity of compressed elements with the influence of HAZ,- calculation of ultimate load bearing capacity of tensioned elements with the influence of

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Premrov, M., B. Ber, and E. Kozem Šilih. "Study of load-bearing timber-wall elements using experimental testing and mathematical modelling." Advances in Production Engineering & Management 16, no. 1 (2021): 67–81. http://dx.doi.org/10.14743/apem2021.1.385.

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Combining timber and glass in the wall elements of the building envelope with the proper orientation of such transparent façade elements enables the utilization of solar energy for heating and internal illumination of the building. However, the asymmetrical layout of timber-glass wall elements in such buildings can result in problems with the horizontal stability of the structure, so their participation to load-bearing capacity of the structure is usually neglected. The study deals with solutions for such elements as horizontal load-bearing members with proper connection details. First, specif

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Korol’, Elena Anatol’evna, and Yuliya Olegovna Kustikova. "Constructive systems, load-bearing and enclosing structures of high-rise buildings." E3S Web of Conferences 33 (2018): 01043. http://dx.doi.org/10.1051/e3sconf/20183301043.

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As the height of the building increases, loads on load-carrying structures increase dramatically, and as a result of the development of high-rise construction, several structural systems of such buildings have been developed: frame, frame-frame, cross-wall, barrel, box-type, box-to-wall ("pipe in pipe", "Trumpet in the farm"), etc. In turn, the barrel systems have their own versions: cantilever support of the ceilings on the trunk, suspension of the outer part of the overlap to the upper carrying console "hanging house" or its support by means of the walls on the lower bearing cantilever, inte

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Lukić, Sanja, and Hrvoje Draganić. "Blast Loaded Columns—State of the Art Review." Applied Sciences 11, no. 17 (2021): 7980. http://dx.doi.org/10.3390/app11177980.

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The ever-present threat of terrorist attacks in recent decades gives way to research towards blast-resistant design of structures. Columns, as one of the main load-bearing elements in residential buildings and bridges, are becoming interesting targets in bombing attacks. Research of column blast load behavior leads toward increased safety by identifying shortcomings and problems of those elements and acting accordingly. Field tests and numerical simulations lead to the development of new blast load mitigation technics, either in the design process or as a retrofit and strengthening of existing

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Jakubovičová, Lenka, and Milan Sága. "Computational Analysis of Contact Stress Distribution in the Case of Mutual Slewing of Roller Bearing Rings." Applied Mechanics and Materials 474 (January 2014): 363–68. http://dx.doi.org/10.4028/www.scientific.net/amm.474.363.

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The paper deals with computational analysis of contact stress distribution of rolling elements of roller bearing with regards to the effect of slewing bearing ring at intervals from 0 to 8 and load rate variety at intervals from 25% to 100% of its basic static radial load capacity. The main goal is to present changes in contact ellipse and changes in contact stress for the logarithmic profile of rolling element. Analyzed effect is expressed by functional dependence which can be used in technical application.

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Bosakov, S. V., A. I. Mordich, A. A. Karyakin, S. A. Sonin, and I. S. Derbentsev. "Distribution of Load Forces in Hollow Core Slabs of Precast Solid Floor Supported on Bearing Walls." Science & Technique 18, no. 2 (2019): 93–103. http://dx.doi.org/10.21122/2227-1031-2019-18-2-93-103.

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The need to cut construction cost of residential and public buildings and provide them with a free and transformable planning structure during their operation cause interest in building wall systems with a large step of bearing walls. In order to reduce labor inputs and increase rate of construction in such building load-bearing system it is also necessary to maximize the use of large-sized prefabricated products and minimize consumption of in-situ concrete. In this case prefabricated products should be substituted according to the conditions of local (regional) construction industry base and

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Yin, Yu Feng, Jian Gang Ding, Yong Jian Li, and Ya Li Na. "Slip Analysis of Wind Turbine Angular Contact Ball Bearing." Advanced Materials Research 860-863 (December 2013): 249–55. http://dx.doi.org/10.4028/www.scientific.net/amr.860-863.249.

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Wind machine high speed shaft bearing in high speed and light load conditions,it is prone to produce skidding.Skidding damage often becomes one of the main damage forms.According to EHD lubrication theory,this paper establishes the interacting model among rolling-elements,which includes gyroscopic and centrifugal effects,to study the skidding characteristics of angular contact ball-bearings.The model will enable engineers to improve bearing reliability at the design stage.

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Zhivotov, Dmitry, and Olga Galaktionova. "Dismantling of hipped roof and restoration of cribbed structure of monastic buildings, churches and temples." E3S Web of Conferences 164 (2020): 02021. http://dx.doi.org/10.1051/e3sconf/202016402021.

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The paper is devoted to the problem of adaptation and restoration of monastic structures, churches and temples without complete dismantling of the elements of the main load-bearing structures, using technologies and methods of work that allow delicately and effectively restoring the most important elements of buildings. The progress of work on the restoration of the hipped roof, using the lifting method - lifting the load-bearing part of the cribbed roof structure, is accurately and consistently described in the paper, as well as flexibility and efficiency in choosing a new solution for liftin

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Frankovský, Peter, Ingrid Delyová, Peter Sivák, Piotr Kurylo, Elena Pivarčiová, and Vojtech Neumann. "Experimental Assessment of Time-Limited Operation and Rectification of a Bridge Crane." Materials 13, no. 12 (2020): 2708. http://dx.doi.org/10.3390/ma13122708.

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This paper describes a problem related to a casting bridge crane with a combined load of 200/50/12.5 t and a span of 18.6 m, working in a heavy metallurgical operation. Due to the specific stress of the structure after its long-term operation, longitudinal fillet welds between the upper flange and the web of the main box beam on the rail side of the 200 t trolley were irreparably damaged. As a result, the cross-section of the main beam had opened, thereby substantially reducing its strength and stiffness. This resulted in a disproportionate increase and undesirable redistribution of stresses i

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Dissertations / Theses on the topic "Main load-bearing elements"

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Karin, Abrahamsson. "Load Bearing Structural Elements of Glulam in Marine Environment : A literature and case study." Thesis, Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-79056.

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This thesis discusses the possibilities of using glued laminated timber as load bearing structural elements in structures in close vicinity of saltwater. Glued laminated timber, also referred to as glulam, is a refined timber product constructed of timber lamellae that are glued together. The thesis contains a literature study and a case study that covers glulam beams in a pedestrian jetty located on the Swedish west coast. The literature study addresses wood in relation to moisture, the effects that salt may have on wood in a marine environment, wood decaying mechanisms and suitable wood pres

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Liška, Jaroslav. "Rekonstrukce visuté lávky v Kroměříži." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2020. http://www.nusl.cz/ntk/nusl-409798.

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The Diploma thesis deals with the reconstruction design of a footbridge in the city of Kroměříž, Czech Republic. The footbridge would serve as safe transport for pedestrians over the Morava river. The main objective of the thesis is to conceive two or three reconstruction designs. The most suitable one will be opted for and elaborated in more detail. Eventually, strengthening of the bridge by means of additional prestressing using mono-strand post-tensioning systems is picked as the best solution of the planned reconstruction. The monostrand post-tensioning system is led under the deck, the cr

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Book chapters on the topic "Main load-bearing elements"

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Bevington, Dickon, Peter Fuggle, Liz Cracknell, and Peter Fonagy. "Setting the scene." In Adaptive Mentalization-Based Integrative Treatment. Oxford University Press, 2017. http://dx.doi.org/10.1093/med-psych/9780198718673.003.0001.

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This chapter begins with an analysis of the fraught organizational and economic circumstances of work with the target population, and the demands these place upon workers, illustrated with four extended case scenarios. After this, the chapter covers in broad terms the solutions that AMBIT seeks to offer, describing the coherent structure of AMBIT by means of its “wheel” diagram. Four main areas of activity to be held in balance make up the quadrants of the wheel: working with your client, your team, and your networks, and learning at work. These are surrounded by four sets of paired, and often mutually contradictory, elements of a principled stance for workers. Emphasis is placed on the inevitability of being out of balance, justifying attention to structures that support the restoration of balance, and longer-term sustainability. At the wheel’s center, the load-bearing “axle” is mentalizing, which Chapter 2 addresses.

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Conference papers on the topic "Main load-bearing elements"

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Nicholson, Brian D., and Jeremy T. Nickell. "Heat Generation in a Main-Shaft Turbine Aero-Engine Bearing Considering Metal and Ceramic Rolling Elements." In ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/gt2018-75851.

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This work details an analytical assessment of heat generation in a turbine aero-engine main-shaft bearing and the development of a model to predict that heat generation. The new model is based on an empirical model, previously developed by the Air Force Research Laboratory (AFRL), which features physics based terms multiplied by empirical regression coefficients. That model proved to be limited in that portions of the terms were essentially an extension of the regression coefficients due to the fact that the experimental data was limited to that of one bearing. Additionally, there were separat

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De Los Santos, Nancy, Robert Jones, Constantine M. Tarawneh, Arturo Fuentes, and Anthony Villarreal. "Development of Prognostic Techniques for Surface Defect Growth in Railroad Bearing Rolling Elements." In 2017 Joint Rail Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/jrc2017-2262.

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Prevention of bearing failures which may lead to catastrophic derailment is a major safety concern for the railroad industry. Advances in bearing condition monitoring hold the promise of early detection of bearing defects, which will improve system reliability by permitting early replacement of failing components. However, to minimize disruption to operations while providing the maximum level of accident prevention that early detection affords, it will be necessary to understand the defect growth process and try to quantify the growth speed to permit economical, non-disruptive replacement of f

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Aßmus, Elisabeth, Bernhard Weller, and Frank Walter. "Photobioreactor Facade Elements - From Concept to Prototype." In IABSE Conference, Kuala Lumpur 2018: Engineering the Developing World. International Association for Bridge and Structural Engineering (IABSE), 2018. http://dx.doi.org/10.2749/kualalumpur.2018.0875.

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<p>The research project FABIG pursues a comprehensive approach in developing facades with photobioreactors made of glass. The story-high reactor elements generate biomass that can either be processed for the pharmaceutical and food industry or used for the building energy supply. In consequence, the joint project partners Technische Universität Dresden, ADCO Technik GmbH, Arup Deutschland GmbH und SSC GmbH contribute their expertise in facade systems, adhesives, technical building systems and manufacturing.</p><p>This paper introduces microalgae, their industrial applications

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Dadouche, Azzedine, and Rami Kerrouche. "Bearing Skidding Detection for High Speed and Aero Engine Applications." In ASME Turbo Expo 2021: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/gt2021-59122.

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Abstract Rolling-element bearings (REB) can develop severe damage due to skidding (slipping) between the rolling elements and bearing races. Skidding can be described as gross sliding between the bearing surfaces in relative motion and can result in significant surface distress such as smearing, especially at light loads and high rotational speeds. Under these conditions, skidding occurs between the rolling elements and the bearing races, leading to increased wear (higher friction coefficient), elevated bearing temperature, significant power losses and reduced service life of the bearing. The

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De Los Santos, Nancy, Constantine M. Tarawneh, Robert E. Jones, and Arturo Fuentes. "Defect Prognostics Models for Spall Growth in Railroad Bearing Rolling Elements." In 2018 Joint Rail Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/jrc2018-6214.

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Prevention of railroad bearing failures, which may lead to catastrophic derailments, is a central safety concern. Early detection of railway component defects, specifically bearing spalls, will improve overall system reliability by allowing proactive maintenance cycles rather than costly reactive replacement of failing components. A bearing health monitoring system will provide timely detection of flaws. However, absent a well verified model for defect propagation, detection can only be used to trigger an immediate component replacement. The development of such a model requires that the spall

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Dybwad, Jacob, Mads Bryndum, and Russell Hollingworth. "Finite Element Analysis Applied in Structural Integrity Management." In ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/omae2014-24715.

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During the periodic inspection of the Alvheim subsea system 2013 a number of cracks were observed at the Mid Water Arch (MWA) tether anchoring arrangement. The MWA and associated anchor block are critical design elements. Detailed investigations were initiated in order to determine future development of the cracks and their severity. The application of advanced non-linear finite element analysis as part of the inspection and maintenance strategy resulted in significant cost savings compared to a solution based on immediate mitigation action. This paper describes the background for occurrence o

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Lavrentyev, Yury, Nikolay Petrov, and Yury Nozhnitsky. "Determination of the Area of Rational Use of Hybrid Bearings With Steel Rings and Ceramic Rolling Elements in High-Speed Aircraft Engines." In ASME Turbo Expo 2021: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/gt2021-59872.

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Abstract The process of improving gas turbine engines is associated with increased thermodynamic parameters and rotor speed. In advanced aircraft engines the main rotor bearings will operate at speed index dmn &gt; 3 · 106 mm · rpm, where dm is the bearing pitch diameter (mm), and n is the rotational speed (rpm). Under these conditions, significant heat is generated in the bearings, and the use of hybrid rolling bearings with steel rings and ceramic rolling elements looks more attractive due to the ceramic’s low density and low coefficient of thermal expansion. A computational method for p

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Starishko, I. N. "The technology of experimental researches of the strength of bent reinforced concrete elements in the zone of action of transverse forces." In General question of world science. Наука России, 2021. http://dx.doi.org/10.18411/gq-31-03-2021-28.

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Extensive experimental researches of the author of the article showed that in T-profile beams, despite the fact that with an increase in the length of the shear span, the bearing capacity along inclined sections significantly decreases, the effect of overhangs of compressed flanges on the bearing capacity of these beams, on the contrary, increases, and when, with an increase in the length of the shear span, the beam becomes equal in strength in normal and inclined sections, the effect of overhangs, as a rule, becomes the same in both the strength of normal and the strength of inclined sections

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Paouris, Leonidas I., Dimitrios A. Bompos, and Pantelis G. Nikolakopoulos. "Simulation of Static Performance of Air Foil Bearings Using Coupled FEM and CFD Techniques." In ASME Turbo Expo 2013: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/gt2013-94951.

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The main objective of the current work is to determine a relationship between the top and bump foil’s geometry and load carrying capacity in a journal compliant air foil bearing. Static and steady state operation is assumed throughout the analysis. A finite element model is adopted in order to investigate the operational characteristics of the specific bearing. Bump foil’s elastic behavior is modeled using two node linear spring elements. During fluid analysis, compressible viscous steady state Navier-Stokes equations are numerically solved. The material used during the structural analysis is

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Nicholson, Brian D., Garry D. Givan, Kevin L. Thompson, Justin Mason, Pradeep K. Gupta, and Hitesh K. Trivedi. "Assessment of Bearing Heat Generation Prediction by the Program ADORE With Respect to Experimental Results and SHABERTH Predictions." In ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/gt2017-63010.

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This work details the heat generation analysis of a turbine aero-engine main-shaft bearing using the computer program Advanced Dynamics Of Rolling Elements (ADORE). The empirical models used for traction and churning heat generation are detailed. The predictions of ADORE are shown to demonstrate the differing contributions of traction and churning to total heat generation at different load/speed regimes. These results are then compared with experimental results. In addition, the results of ADORE are also compared with results from the well-known bearing analysis program SHABERTH (Shaft Bearing

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Reports on the topic "Main load-bearing elements"

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Han, Fei, Monica Prezzi, Rodrigo Salgado, Mehdi Marashi, Timothy Wells, and Mir Zaheer. Verification of Bridge Foundation Design Assumptions and Calculations. Purdue University, 2020. http://dx.doi.org/10.5703/1288284317084.

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The Sagamore Parkway Bridge consists of twin parallel bridges over the Wabash River in Lafayette, IN. The old steel-truss eastbound bridge was demolished in November 2016 and replaced by a new seven-span concrete bridge. The new bridge consists of two end-bents (bent 1 and bent 8) and six interior piers (pier 2 to pier 7) that are founded on closed-ended and open-ended driven pipe piles, respectively. During bridge construction, one of the bridge piers (pier 7) and its foundation elements were selected for instrumentation for monitoring the long-term response of the bridge to dead and live loa

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