Academic literature on the topic 'Load-deflection relation'

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Journal articles on the topic "Load-deflection relation"

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Ling, Yun, Peter A. Engel, and William L. Brodsky. "Nonlinear Load-Deflection Relations of Bonded Elastomeric Circular Disks and Strips." Rubber Chemistry and Technology 65, no. 5 (1992): 917–31. http://dx.doi.org/10.5254/1.3538651.

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Abstract The nonlinear load-deflection relations of bonded circular disks and infinitely long strips are studied. Finite element analysis is used to evaluate the empirical formula proposed by Payne, which justifies the need for a better formula to predict the load-deflection relation for blocks with large shape factors under a relatively large deformation. General expressions for the load-deflection relations of blocks under axisymmetrical and plane-strain deformations are presented based on a variational approach, i.e. the Raleigh-Ritz method, in which no specific form of strain energy functi
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Yoshihara, Hiroshi, and Makoto Maruta. "Critical load for buckling of solid wood elements with a high slenderness ratio determined based on elastica theory." Holzforschung 76, no. 2 (2021): 179–87. http://dx.doi.org/10.1515/hf-2021-0108.

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Abstract Buckling tests were conducted using slender specimens of western hemlock. In the tests, the slenderness ratio was varied from 132 to 418 in which elastic buckling was induced, and the values of the critical load for buckling were obtained. When the deflection of the specimen was calculated from the loading-line displacement based on elastica theory, the value of deflection/load initially decreased because the compressive deformation was more dominant than the bending deformation. In contrast, when the load increased, the bending deformation became dominant, and the deflection/load-def
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Pop, Marius-Vasile. "Deflection of a beam with a transverse crack under dead load." Studia Universitatis Babeș-Bolyai Engineering 65, no. 1 (2020): 145–52. http://dx.doi.org/10.24193/subbeng.2020.1.16.

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This paper proposes an analytic relation for the deflection of a cantilever beam with a transverse crack subjected to dead load. The mathematical relation is deduced involving the decreased capacity of the beam to store energy, which is in direct relation with the crack position and depth. Eventually, the validity of the relation is proved by means of the finite element method.
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Gajewska, Beata, and Marcin Gajewski. "Effect of Equivalent Load Distribution on the Accuracy of Mapping the Reinforcement Load Deflection Curve in LTP." Applied Sciences 10, no. 17 (2020): 6127. http://dx.doi.org/10.3390/app10176127.

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The formulations of tasks modelling embankments on soft soil, improved with columns and with reinforced load transfer platform (LTP), differ significantly. One of these differences is the distribution of equivalent load modelling part of the load carried by the LTP reinforcement and soft soil. This article analyses the influence of the nature of the load-modelling linear function, i.e., inverse triangular, uniformly distributed and triangular, as well as intermediate distributions. In total, 41 distributions of equivalent load were considered, and the results of the obtained deflection functio
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Md., Foisal Haque. "Developed a Relation between True and Engineering Stress – Strain for Compressibility." Journal of Structural Engineering, its Applications and Analysis 5, no. 1 (2022): 1–5. https://doi.org/10.5281/zenodo.5870515.

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Every material shows compressible characteristics under any types of loading and this characteristic expresses actual behavior of materials in reality. Strains and stresses are gradually changed in each loading step during tests because of variations of volumes. Volumetric true strains are non – zero in case of compressible conditions. In this study, poission’s ratio is considered to be constant in three perpendicular directions and stiffness is not changed during the application of tensile forces. In any stage of loading, true stress is the ratio between incremental load and area
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Nicholson, D. W. "Large Deformation Analysis of an Elastic-Plastic Cantilevered Beam." Journal of Pressure Vessel Technology 111, no. 3 (1989): 312–15. http://dx.doi.org/10.1115/1.3265680.

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This study concerns the analysis of the deflection of an elastic-plastic cantilevered beam. Three regions of solution are treated: (i) purely elastic response at low loads; (ii) elastic-plastic response without a hinge, for intermediate loads; and (iii) elastic-plastic response with a hinge for loads corresponding to the fully plastic bending moment at the built-in end. Most existing solutions for this type of problem involve various approximations avoided here, for example, ignoring the elastic part of the strain or using upper bounds based on limit analysis. By avoiding such approximations,
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Ba'ist, Ahmad Jirjisul, Togani Cahyadi Upomo, Henry Apriyatno, and Untoro Nugroho. "Defleksi Lateral Tiang Tunggal Akibat Beban Lateral pada Tanah Lempung Berdasarkan Komparasi Tiga Metode." Jurnal Teknik Sipil 15, no. 4 (2020): 225–34. http://dx.doi.org/10.24002/jts.v15i4.3794.

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The foundation has a function to hold the load in the form of axial load, lateral load and moment. The axial load on the pile foundation is supported by the pole end resistance and pile friction, while the lateral load on the pile foundation is supported by the relation of the blanket area along the pile with the ground in the lateral direction. Lateral load causes lateral deflection in which the magnitude of deflection must not exceed the permissible lateral deflection limit of 2.54 cm. The determining factors in lateral deflection are the type of pile foundation, soil type, and the magnitude
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Jafari-Talookolaei, R. A., M. H. Kargarnovin, M. T. Ahmadian, and M. Abedi. "An Investigation on the Nonlinear Free Vibration Analysis of Beams with Simply Supported Boundary Conditions Using Four Engineering Theories." Journal of Applied Mathematics 2011 (2011): 1–17. http://dx.doi.org/10.1155/2011/842805.

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The objective of this study is to present a brief survey on the geometrically nonlinear free vibrations of the Bernoulli-Euler, the Rayleigh, shear, and the Timoshenko beams with simple end conditions using the Homotopy Analysis Method (HAM). Expressions for the natural frequencies, the transverse deflection, postbuckling load-deflection relation to, and critical buckling load are presented. The results of nonlinear analysis are validated with the published results, and excellent agreement is observed. The effects of some parameters, such as slender ratio, the rotary inertia, and the shear def
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Huang, Pengfei, Yanping Song, Qi Li, Xiaoqi Liu, and Yuqing Feng. "A Theoretical Study of Circular Orthotropic Membrane Under Concentrated Load: The Relation of Load and Deflection." IEEE Access 8 (2020): 126127–37. http://dx.doi.org/10.1109/access.2020.3007986.

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Xu, Jia Chu, Chao Deng, and Hao Wang. "Nonlinear Stability Analysis for FGM Shallow Conical Shells Subjected to Thermal and Mechanical United Loads." Advanced Materials Research 476-478 (February 2012): 2515–22. http://dx.doi.org/10.4028/www.scientific.net/amr.476-478.2515.

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Based on the Von Karman large deflection theory of shallow shell, the problem of nonlinear stability of symmetrically FGM shallow conical shells under the action of mechanical and thermal loads is investigated. The nonlinear governing equation under the united action of mechanical and thermal loads of FGM shallow conical shells whose physical parameters change with the power rate is derived and solved by the modified iteration method. The nonlinear characteristic relation of load, deflection and temperature is obtained. The extremum buckling principle is employed to determine the critical buck
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Dissertations / Theses on the topic "Load-deflection relation"

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HUANG, ZHONG-JIE, and 黃中杰. "A study on relation for pavement deflection geometric character and number of traffic axle load on Sun Yat-Sen freeway." Thesis, 1987. http://ndltd.ncl.edu.tw/handle/79583684538516105573.

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Books on the topic "Load-deflection relation"

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Paeglīte, Ilze. Kustīgās slodzes dinamiskās iedarbes uz autoceļu tiltiem eksperimentāla izpēte un novērtējums. RTU Press, 2021. http://dx.doi.org/10.7250/9789934227028.

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Using data obtained from the dynamic load testing of bridges a method was developed to evaluate level of the dynamic performance without performing a dynamic load test. In this method a dynamic index of the bridge is calculated. Dynamic index allows to evaluate the dynamic performance level of existing and new structures taking into account such bridge parameters as span length / height ratio, natural frequency, vibration damping coefficient, relative deflection and international roughness index IRI. Dynamic index method can be used by bridge owners and maintainers to determine the dynamic pot
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Book chapters on the topic "Load-deflection relation"

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Geßner, Felix, Matthias Weigold, and Eberhard Abele. "Investigation on Tool Deflection During Tapping." In Lecture Notes in Mechanical Engineering. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-77256-7_10.

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AbstractTapping is a challenging process at the end of the value chain. Hence, tool failure is associated with rejected components or expensive rework. For modelling the tapping process we choose a mechanistic approach. In the present work, we focus on the tool model, which describes the deflection and inclination of the tool as a result of the radial forces during tapping. Since radial forces always occur during tapping due to the uneven load distribution on the individual teeth, the tool model represents an essential part of the entire closed-loop model. Especially in the entry phase of the
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Abuhajar O.S., Newson T., El Naggar M.H., and Stone K. "Arching around buried square section structures." In Proceedings of the 17th International Conference on Soil Mechanics and Geotechnical Engineering: 5-9 October 2009, Alexandria, Egypt. IOS Press, 2011. https://doi.org/10.3233/978-1-60750-031-5-3408.

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It is recognized that the loads attracted to buried structures cannot be accurately estimated by simply considering the self-weight forces generated by the prism of soil supported by the structure. Incompatibility between the stiffness of a buried structure and the surrounding soil leads to the development of local soil arching around the structure, the degree of which is dependent on the relative stiffness between the structure and the surrounding soil. This arching can induce structural damage or collapse, or indeed can be utilized to optimize the efficiency of the structure. The paper prese
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Conference papers on the topic "Load-deflection relation"

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Glišović, Ivan, Marija Todorović, and Nađa Simović. "EXPERIMENTAL INVESTIGATION OF CLT PANELS WITH MODIFIED ORIENTATION OF TRANSVERSE LAYERS." In XXIX kongres DIMK i X kongres SIGP sa Međunarodnim simpozijumom o istraživanjima i primeni savremenih dostignuća u građevinarstvu u oblasti materijala i konstrukcija. Društvo za ispitivanje i istraživanje materijala i konstrukcija Srbije, 2025. https://doi.org/10.46793/29dimk.072g.

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Experimental investigation was conducted to determine the mechanical performance of cross-laminated timber (CLT) panels subjected to out-of-plane bending in order to evaluete the effects of different orientations of laminations within transverse layers of the panels. Panels with conventional orientation of transverse layers at an angle of 90° in relation to longitudinal layers and panels with modified orientation of transverse layers at an angle of ±45° in relation to longitudinal layers were tested. The advantages of modified CLT panels are improved mechanical performance and more efficient u
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McKee, Robert B., and Harshavardhan Reddy. "Apparent Stiffness of a Bolted Flange." In ASME 1995 Design Engineering Technical Conferences collocated with the ASME 1995 15th International Computers in Engineering Conference and the ASME 1995 9th Annual Engineering Database Symposium. American Society of Mechanical Engineers, 1995. http://dx.doi.org/10.1115/detc1995-0227.

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Abstract A flat steel flange clamped by 14 bolts was modelled by three dimensional finite element analysis to evaluate its stiffness in compression relative to each bolt. The bolt load was applied via an extremely stiff washer to eliminate the effect of bolt head deflection on the results. The dimensionless stiffness varied linearly with bolt aspect ratio d/L. The slope of this relation was equal to that predicted by a simple cylindrical model with outside diameter of 1.56 d. The pressure between flanges along the bolt circle was calculated for two values of bolt spacing.
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El-Sibaie, Magdy, William GeMeiner, Dwight Clark, et al. "Measurement of Vertical Track Modulus: Field Testing, Repeatability, and Effects of Track Geometry." In IEEE/ASME/ASCE 2008 Joint Rail Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/jrc2008-63040.

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The heavy axle loads and high speeds of modern freight trains produce high track stresses leading to quicker track degradation. Track loads can be increased by variations in vertical track stiffness — the relationship between vertical rail deflection and the vertical applied load — and vertical track modulus. Both low track modulus and large variations in track modulus (leading to increased dynamic loading) cause accelerated track degradation and associated increased maintenance requirements. The University of Nebraska, under sponsorship from the Federal Railroad Administration, continues to d
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Thorbole, Chandrashekhar K., M. Jorgensen, and H. M. Lankarani. "Assessment of the Dynamic Response of a Lumbar Spine Functional Unit Under Axial Compressive High Loading Rate: Outcome on the Axial Disc Bulge and its Relation to the Load Magnitude." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-66019.

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Human lumbar spine tolerance to the compressive impact loading is less when compared to its tolerance to the perpendicular dynamic load. The dynamic response of the functional spinal unit in compressive loading is governed by the viscoelastic behavior of the IVD (Intervertebral disc). The axial bulge of the disc is the result of viscoelastic nature of the nucleus which tends to swell under high loading rate. This characteristic causes the end-plate to bow into the cancellous bone as it is supported by the strong cortical bone on its periphery. The end-plate is one of the important elements in
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Morsch, Femke M., Nima Tolou, and Just L. Herder. "Comparison of Methods for Large Deflection Analysis of a Cantilever Beam Under Free End Point Load Cases." In ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/detc2009-86754.

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The objective of this paper is to present a comparative analysis for large deflections of a cantilever beam under free end point load. pseudo rigid body model (PRBM), non-linear beam theory numerically solved with integration (NLBT-NUM), linear beam theory (LBT), finite element modeling (FEM) using an available commercially FEM package, non-linear beam theory solved with direct nonlinear solution (NLBT-DNS) and experimental evaluation (EXP), have been implemented. For the purpose of comparison, the relation between the displacements, rotating angle of the tip and applied force were calculated
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Baek, Sung-Ha, Joon-Young Kim, Seung-Hwan Lee, and Choong-Ki Chung. "Effect of Relative Density on P-Y Backbone Curves for Cyclic Lateral Load on Pile Foundations in Sandy Soil." In ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/omae2014-23718.

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Pile foundations installed to support offshore structures are primarily subjected to cyclic lateral loads due to wind, and waves. The p-y curve method, which represents a nonlinear relation between soil-pile reaction and lateral pile deflection, has been used to design cyclic laterally loaded piles. Recommended by the American Petroleum Institute (API) [10] and generally adopted to evaluate the behavior of static and cyclic laterally loaded piles installed in sandy soils, the API p-y curve contains a reduction factor for the initial horizontal subgrade modulus in order to take cyclic effects i
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Yang, Ping, and Ying Peng. "Dynamic Response of Blast-Loaded Stiffened Plates by Rigid-Plastic Analysis." In ASME 2010 29th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2010. http://dx.doi.org/10.1115/omae2010-21044.

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The dynamic response of one-way stiffened plates with clamped edges subjected to uniformly distributed blast-induced shock loading is theoretically investigated using a singly symmetric beam model. The beam model is based on the rigid-perfectly plastic assumption. The bending moment-axial force capacity interaction relation or yield curve for singly symmetric cross-section is derived and explicitly presented. The deflection condition that a plastic string response must satisfy is determined by the linearized interaction curve and associated plastic flow rule. Moreover, the possible motion mech
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Imanishi, Naoto, Akira Sone, and Arata Masuda. "Identification of System Parameters of Slab Vibrated With Vibrator by Using Wavelet Transform." In ASME 2005 Pressure Vessels and Piping Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/pvp2005-71243.

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In health monitoring of slabs of a road bridge, it is suitable to carry out on the basis of their stiffness, which is evaluated by spring constants of a spring-mass system model of the slab. When the value of the spring constant is known, the rigidity of the slab and the deflection against the predetermined load can be estimated. These can be used as the basic data of maintenance management of them. The authors have been proposing the method to identify the spring constant of the slab by wavelet transform of an excitation force and acceleration responses. In this paper, the method to identify
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Milanov, Ivan, Sava Skrobonja, Stefan Despotović, and Aleksandar Terzić. "ANALIZA MOGUĆNOSTI PRIMENE PROVODNIKA VEĆE PRENOSNE MOĆI NA POSTOJEĆIM NADZEMNIM VODOVIMA 110 kV." In 35. Savetovanje Srpskog nacionalnog komiteta Međunarodnog saveta za velike električne mreže. Srpski nacionalni komitet Međunarodnog saveta za velike električne mreže CIGRE Srbija, 2023. http://dx.doi.org/10.46793/cigre35.0315m.

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In recent years, due to the construction of a large number of new industrial facilities, the demand for electricity is growing significantly, especially in urban areas that have regulated infrastructure and established industrial zones. In such environments, with construction and space constraints, one of the solutions for supplying new consumers with electricity is the use of existing overhead lines, where it is necessary to ensure an increase in their transmission capacity. The paper analyzes the possibility of using conductors whose construction enables higher transmission power of the exis
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Awaludin, Ali, Iman Satyarno, and Muchtar Sufaat. "Finite Element Analysis of CRTS III Slab Track Model." In IABSE Congress, New York, New York 2019: The Evolving Metropolis. International Association for Bridge and Structural Engineering (IABSE), 2019. http://dx.doi.org/10.2749/newyork.2019.0555.

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<p>This paper presented an evaluation of mechanical properties of ballastless track system using finite element model developed in ABAQUS. CRTS III ballastless track model composed of steel rails, fasteners, perfabricated concrete slabs, intermediate and base layers, was chosen. The track model has a length of 16.8 m in longitudinal direction and the computation was limited to static analysis and linear-elastic material stress- strain relation. In this numerical analysis, steel rails were modeled as beam elements, fasteners were modeled as spring connectors, and prefabricated slabs, inte
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