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Journal articles on the topic 'Axial loads'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Zhang, Ming, Rongmin Jiang, and Hong Nie. "Analysis of axial stiffness characteristics of a mechanism of fluid bag shock absorber under alternative factors." Journal of Vibroengineering 18, no. 2 (2016): 682–98. http://dx.doi.org/10.21595/jve.2016.16610.

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A mechanism of fluid bag shock absorber which could provide axial shock protection under small displacement and small deformation was designed. The finite element model of the mechanism was established in ABAQUS, the different types of loads imposed on the bottom of mechanism when the mechanism worked in different environment were described and the load stiffness matrix was obtained when pressure loads were imposed on the mechanism. The effects of the notch in fluid bag on axial stiffness characteristics were discussed. The results indicate that the flip of inner shell occurs as the axial conc

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2

Capobianco, G., N. Bohun, M. Gratton, R. Serra, A. Zinbi, and N. Rigollet. "Both radial and axial load distribution measurement on a V-band clamp by a new load cell design." Insight - Non-Destructive Testing and Condition Monitoring 64, no. 8 (2022): 432–36. http://dx.doi.org/10.1784/insi.2022.64.8.432.

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This paper presents a method for determining the axial and radial load distribution of the moment generated in a V-band clamp and is validated experimentally using finite element analysis (FEA). The method comprises a slotted flange, which is distinguished by having three different profiles for different levels of load symmetrically divided among eight sectors. Each sector is characterised and calibrated. The load cell is analysed using finite element Abaqus software to predict and corroborate the system. In the experimental test, the axial and radial loads are measured using strain gauges for

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3

Wang, Yan Shuang, Yan Wu, and Hai Feng Zhu. "Quasi-Static Analysis on a Large-Sized Four Contact-Point Slewing Bearing with Negative Axial Play." Applied Mechanics and Materials 307 (February 2013): 219–22. http://dx.doi.org/10.4028/www.scientific.net/amm.307.219.

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A quasi-static analysis of a large-sized four contact-point slewing bearing with negative axial play is performed. The values of normal contact loads of a slewing ring bearing between balls and inner/outer ring were computed at different negative axial plays without applied load. The results show that the normal loads of the four contact points increase as the absolute value of negative axial play increases. Slightly changing negative axial play makes big change on normal contact load. Startup friction torque can be improved largely by increasing slightly the absolute value of negative axial p

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4

Yu, Yang, Yi Hua Dou, Fu Xiang Zhang, and Xiang Tong Yang. "Analysis of Premium Connection of Connecting and Sealing Ability Loaded by Axial Tensile Loads." Applied Mechanics and Materials 268-270 (December 2012): 737–40. http://dx.doi.org/10.4028/www.scientific.net/amm.268-270.737.

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It is necessary to know the connecting and sealing ability of premium connection for appropriate choices of different working conditions. By finite element method, the finite element model of premium connection is established and the stresses of seal section, shoulder zone and thread surface of tubing by axial tensile loads are analyzed. The results show that shoulder zone is subject to most axial stresses at made-up state, which will make distribution of stresses on thread reasonable. With the increase of axial tensile loads, stresses of thread on both ends increase and on seal section and sh

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5

Majid, Aziz Abdul, Bambang Setiawan, and Niken Silmi Surjandari. "PENURUNAN FONDASI TIANG TUNGGAL PADA PEMBEBANAN LATERAL AKIBAT PENAMBAHAN BEBAN AKSIAL." Jurnal Riset Rekayasa Sipil 8, no. 2 (2025): 54. https://doi.org/10.20961/jrrs.v8i2.101616.

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The pile foundation is the lower building structure that supports the above structure. Pile foundations withstand combined loads from the vertical and horizontal directions. In the field, both loads work simultaneously. However, in Indonesia, in general, the axial and lateral loading tests are carried out separately. Related to this, there have been few investigations on the influence of combined loads on pile foundations. These led to inconsistent results to the effects of adding the axial load on the lateral loading. The three-dimensional finite element method is used in this study to analyz

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6

Hansapinyo, Chayanon, Suchart Limkatanyu, Hexin Zhang, and Thanongsak Imjai. "Residual Strength of Reinforced Concrete Beams under Sequential Small Impact Loads." Buildings 11, no. 11 (2021): 518. http://dx.doi.org/10.3390/buildings11110518.

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Sequential small impact loads may not collapse structures directly but could weaken the strength of structures. This study aimed to investigate the impact of these sequential small impact loads on the strength of the reinforced concrete beams. First, six sequential impact loads were applied to the test specimens. Then, the residual static capacity of the impacted specimens was determined by the ultimate static load test, compared with those of undamaged specimens. The experiment was composed of 12 specimens having identical dimensions. The variable parameters were the magnitude of the axial lo

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7

Cui, Hu Wei, Ping Yang, Can Shen, and Liang Zhou. "Research on Load Bearing Behavior of Ship Stiffened Plates under Cyclic Loads." Advanced Materials Research 904 (March 2014): 446–49. http://dx.doi.org/10.4028/www.scientific.net/amr.904.446.

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This paper adopts nonlinear finite element method to study the load bearing behavior of ship stiffened plates with different dimensions. The research focuses on the compressive ultimate strength, axial rigidity, and residual plastic deflection of the stiffened plates under cyclic compressive and tensile loads. The results indicate that the compressive ultimate strength and axial rigidity of stiffened plates decrease with the incremental cyclic loads significantly, meanwhile, the residual plastic deflection increases with the cyclic loads.

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8

Flanagan, Dennis, Justin Phillips, Matthew Connor, Timothy Dyer, and Kazem Kazerounian. "Hoop Stress and the Conical Connection." Journal of Oral Implantology 41, no. 1 (2015): 37–44. http://dx.doi.org/10.1563/aaid-joi-d-12-00180.

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Dental implant-abutment connection design has developed into the use of a conical, shank and socket connection between the implant abutment and fixture. The connection between these two elements is, in effect, a conical wedge that may exert lateral forces under load that may result in fracture of the coronal implant socket fixture walls. This study evaluated the axial loading on a conical connection and found that axial loads were well tolerated but off-axial loads were not. Fracture of the implant coronal socket fixture wall occurred under off-axial loading.

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9

Alhamati, Abdullah Ali Nasser, Abdul Halim Ghazali, and Jamalodin Norzaie. "Investigation on the behavior of rigid polyvinylchloride pipes subjected to uniaxial compression loads." ASEAN Journal on Science and Technology for Development 23, no. 3 (2017): 145. http://dx.doi.org/10.29037/ajstd.101.

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The objective of this research was to investigate the capability of rigid Polyvinylchloride (PVC-U) pipes to sustain axial loads. The behavior of PVC-U pipes specimens subjected to short-term uniaxial compression loads were experimentally investigated. Results of the load-displacement tests on pipes of different wall thickness, diameter, and specimen heights were recorded. The experimental test results show that the PVC-U pipes are capable of supporting loads greater than the required design load (3.4 kN). Increasing the pipe specimen height decreases the pipe strength for supporting the axial

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10

Wang, Dong, and Mao See Wu. "Elastic buckling analysis of an embedded infinitely long rod under combined axial and torsional loads." Mathematics and Mechanics of Solids 24, no. 12 (2019): 3779–94. http://dx.doi.org/10.1177/1081286519856062.

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In this paper, expressions for the critical axial–torsional loads are derived for the buckling of an elastic rod embedded in an elastic medium. The derivation is based on the assumption that the deforming rod encounters a response force from the surrounding medium, and a first-order perturbation analysis of the governing equilibrium equations. It is shown that a dimensionless universal buckling relationship, independent of material and geometry, exists between the critical axial load, both in compression and tension, and the critical torsional load. A reducing axial compression, or an increasi

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11

Li, Zheming, Malcolm D. Bolton, and Stuart K. Haigh. "Cyclic axial behaviour of piles and pile groups in sand." Canadian Geotechnical Journal 49, no. 9 (2012): 1074–87. http://dx.doi.org/10.1139/t2012-070.

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Piled foundations are often subjected to cyclic axial loads. This is particularly true for the piles of offshore structures, which are subjected to rocking motions caused by wind or wave actions, and for those of transport structures, which are subjected to traffic loads. As a result of these cyclic loads, excessive differential or absolute settlements may be induced during the piles’ service life. In the research presented here, centrifuge modelling of single piles and pile groups was conducted to investigate the influence of cyclic axial loads on the performance of piled foundations. The inf

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12

Jorge, Caroline de Freitas, Letícia Cerri Mazza, Marcio Campaner, et al. "The biomechanical behavior of single crown implant-supported prosthesis with different types of connections and occlusal loads: Photoelastic and strain gauge analysis." Research, Society and Development 10, no. 9 (2021): e26110918035. http://dx.doi.org/10.33448/rsd-v10i9.18035.

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The aim of the study was to evaluate the biomechanical behavior, through photoelastic (PA) and strain gauge analysis (SA), of single crown implant-supported prosthesis with different implant connections (external hexagon (EH), Morse taper (MT), internal Morse hexagon (IMH), Morse taper hexagon (MTH), and frictional Morse taper (FMT)) and different occlusal loads (axial and oblique (45°)). The data were submitted to ANOVA and Tukey's test (α = 0,05). By photoelasticity, regarding axial load, EH produced more high-intensity fringes (2.784 kPa) than the other connections. For the oblique load, al

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13

Titarenko, M. I. "The work of rails under conditions of various average static axial loads of rolling stock." Vestnik of the Railway Research Institute 77, no. 3 (2018): 172–76. http://dx.doi.org/10.21780/2223-9731-2018-77-3-172-176.

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The analysis of failure of unhardened and heat-strengthened R65 rails under operating conditions in the tangent sections of the track is presented taking into account the influence of the most important operational factor - the average static axial loads of the rolling stock. Non-reinforced R65 rails in the jointed track on the 12.5 m long wooden sub-rail base were considered based on the results of their single replacement in the entire range of their failures. The work of rails under operating conditions is estimated at average static axial loads of rolling stock as 7.5, 9.5, 16.5 and 19.5 t

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14

Wang, Qianqian, and Fu Huang. "Research on the influence of out-of-plane loads on the fatigue life of metal structures." Journal of Physics: Conference Series 2882, no. 1 (2024): 012037. http://dx.doi.org/10.1088/1742-6596/2882/1/012037.

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Abstract For civil aircraft structures, in-plane tensile, compressive, shear, and their combined forms of loads are the usual loads on plate and shell structures, while bending moments, torsion, and other forms of loads are mainly borne by assemblies consisting of multiple parts. However, some plate and shell structures are subjected to in-plane loads while also being affected by out-of-plane loads. In order to study the difference between the fatigue performance of plate and shell structures under the influence of out-of-plane load and the fatigue performance under the effect of pure in-plane

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15

Turvey, G. J., and Y. Zhang. "Local Buckling of Axially Compressed, Pultruded GRP, WF-Section, Short Columns - Comparison of Experimental and FE Analysis Buckling Loads." Applied Mechanics and Materials 1-2 (September 2004): 87–92. http://dx.doi.org/10.4028/www.scientific.net/amm.1-2.87.

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The results of axial compression tests carried out on four pultruded GRP (Glass Reinforced Plastic) WF (Wide Flange) short columns are presented. The longitudinal elastic modulus, buckling loads and collapse loads have been obtained. The experimental buckling loads have been evaluated from the load versus end shortening (axial displacement) relationship and Southwell plots of deflection and bending strain test data. FE (Finite Element) buckling analyses of the short column buckling tests have also been carried out. It is shown that a two-dimensional model is able to predict local buckling mode

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16

Sharma, Mamta R., Arbind K. Singh, and Gurmail S. Benipal. "Elastic Stability of Concrete Beam-Columns." International Journal of Structural Stability and Dynamics 17, no. 01 (2017): 1750094. http://dx.doi.org/10.1142/s0219455417500948.

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Following the empirical-computational methodology, the contemporary investigations deal with inelastic stability and dynamics of concrete beam-columns. Even under service loads, the concrete structures exhibit physical nonlinearity due to presence of axio-flexural cracks. The objective of the present paper is to analyze the static and dynamic stability of conservative physically nonlinear fully cracked flanged concrete beam–columns. In this paper, using proper reference frames, analytical expressions are developed for the lateral displacement and stiffness of a flanged concrete cantilever unde

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17

Zuo, Kang, Shuiting Ding, Peng Liu, et al. "Mechanisms of Geometric Parameter Influence on Fast Transient Response Process of the Flow Path Under Inertial Forces." Applied Sciences 15, no. 13 (2025): 7320. https://doi.org/10.3390/app15137320.

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This study investigates the evolution of axial loads in the secondary air system following shaft failure in aeroengines. It addresses a significant gap in the existing literature regarding the effects of inertial forces within the cavity, as well as the unclear mechanisms by which the geometric parameters of the flow path influence these forces. A combined approach of three-dimensional simulation and experimental validation is utilized to propose a method for analyzing the evolution of axial loads during the fast transient response process, based on changes in the Cavity Inertial Force Dominan

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18

Paulo, Teixeira, A. González de León Marco, Graciano Carlos, and Alberto Vega-Posada Carlos. "A mechanical model to determine upheaval buckling of buried submarine pipelines." Revista Facultad de Ingeniería, Universidad de Antioquia, no. 106 (October 5, 2021): 47–55. https://doi.org/10.17533/udea.redin.20211061.

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Thermal loads in submarine pipelines generate an axial compressive load that can force the pipeline to buckle, leading to failure if these loads are not considered in the design. Buried pipes are constraint to displacements in all directions, which leads to a high compressive load in the longitudinal axis and makes the pipes more vulnerable to buckling. If buried pipes under thermal loads do not buckle, a high-stresses state takes place when it is combined with high-pressure conditions. In this work, a simple mechanical model to determine the axial buckling load of a buried pipeline is propose

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19

Hwang, Heejin, Keunyeong Oh, Insub Choi, Jaedo Kang, and Jiuk Shin. "Rapid Estimation Method of Allowable Axial Load for Existing RC Building Structures to Improve Sustainability Performance." Sustainability 16, no. 15 (2024): 6578. http://dx.doi.org/10.3390/su16156578.

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Existing reinforced concrete building structures have low lateral resistance capacities due to seismically deficient details. Since these building structures suffer an increase in axial loads to the main structural elements due to green retrofits (e.g., installation of energy equipment/devices, roof gardens) as one of the sustainable building solutions and/or vertical extensions, their capacities can be reduced. This paper aims to propose a rapid estimation method incorporating a previously developed machine-learning model to find an allowable range of axial loads for reinforced concrete colum

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20

Samsul Abdul Rahman Sidik Hasibuan. "Influence of Variation in Tie Reinforcement Diameter on the Ductility of Reinforced Concrete Columns." Asian Journal of Research in Computer Science 17, no. 5 (2024): 65–73. http://dx.doi.org/10.9734/ajrcos/2024/v17i5439.

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Reinforced concrete columns are crucial structural elements in ensuring the strength and stability of buildings. Column ductility, which is the ability to absorb energy and undergo deformation before failure, is a primary concern in structural engineering, especially in extreme external loading situations such as earthquakes. This study aims to evaluate the influence of variation in Tie reinforcement diameter on the ductility of reinforced concrete columns using Xtract software. The research method involves creating column structure models with specified dimensions and specifications, followed

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21

Wang, Zhe, Si Fa Xu, Guo Cai Wang, and Yong Zhang. "The Analytical Solution of Single Pipe Piles under Axially and Laterally Free Loads." Advanced Materials Research 383-390 (November 2011): 1701–7. http://dx.doi.org/10.4028/www.scientific.net/amr.383-390.1701.

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The analytical solution of a single pipe piles under axially and laterally loads is presented, when the laterally loads is optional free load. As piles foundations are becoming a preferred foundation type, piles usually work under simultaneous axial and lateral loads in engineering. To analyze the function of free loads to pipe piles under inclined loads conditions, in the basis of ‘m’ method, deformation differential equation of elastic piles under inclined loads is established first in the paper with analytical method. Differential equation has two parts in according to the piles in the eart

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22

Aksar, Bora, Selcuk Dogru, Bulent Akbas, Jay Shen, Onur Seker, and Rou Wen. "Amplified Seismic Loads in Steel Moment Frames." Applied Mechanics and Materials 847 (July 2016): 222–32. http://dx.doi.org/10.4028/www.scientific.net/amm.847.222.

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This study focuses on exploring the seismic axial loads for columns in steel moment resisting frames (SMRFs) under strong ground motions. For this purpose, the increases in axial loads are investigated at the maximum lateral load level and the corresponding lateral displacement. The results are presented in terms of maximum amplification factors (Ω0) of all frame columns under the selected ground motions and axial load-moment levels in columns. four typical steel moment resisting frames representing typical low, medium and high rise steel buildings are designed based on the seismic design requ

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23

Li, Yan, Bingjun Gao, Shuo Liu, Kaiming Lin, and Juncai Ding. "Finite Element Analysis of the Limit Load of Straight Pipes with Local Wall-Thinning Defects under Complex Loads." Applied Sciences 12, no. 10 (2022): 4850. http://dx.doi.org/10.3390/app12104850.

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Local wall thinning is a common defect on the surface of pipelines, which can cause damage to the pipeline under complex pipeline loads. Based on the study on the limit load of straight pipes with defects, the nonlinear finite element method was used to analyze the limit load of straight pipes with local wall-thinning defects under internal pressure, bending moment, torque, axial force, and their combinations, and the empirical limit-load equations of straight pipes with local wall-thinning defects under single and complex loads were fitted. Based on the allowable load on the equipment nozzles

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24

Song, Jung Han, and Hoon Huh. "Influence of Tensile Speeds on the Failure Loads of the DP590 Spot Weld under Various Combined Loading Conditions." Advances in Materials Science and Engineering 2015 (2015): 1–9. http://dx.doi.org/10.1155/2015/297915.

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This paper is concerned with the evaluation of the dynamic failure load of the spot weld under combined axial and shear loading conditions. The testing fixture is designed to impose the combined axial and shear load on the spot weld. Using the proposed testing fixtures and specimens, quasi-static and dynamic failure tests of the spot weld are conducted with seven different combined loading conditions. The failure load and failure behavior of the spot weld are investigated with different loading conditions. Effect of tensile speeds on the failure load of the spot weld, which is critical for str

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25

Coryniken, Siti, Ismet Danial Nasution, Muhammad Sabri, and Ariyani Ariyani. "Assessment of stress distribution and pain perception in knife-edge ridge with different thicknesses of acrylic soft denture liner: A static linear three-dimensional finite element analysis." Edelweiss Applied Science and Technology 9, no. 5 (2025): 2092–101. https://doi.org/10.55214/25768484.v9i5.7381.

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Previous studies on stress distribution and pain perception in dentures with acrylic soft liners have focused solely on axial loading, neglecting the oblique forces involved in mastication. This study aimed to evaluate stress distribution and pain perception with varying acrylic liner thicknesses (1 mm, 2 mm, and 3 mm) under both axial and oblique loads. An in-silico study was performed employing static linear three-dimensional finite element analysis. The von Mises stress color contour plot was used to analyze stress distribution. The study found that without an acrylic soft denture liner, th

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26

Drake, Richard M., and Sharon J. Elkin. "Beam-Column Base Plate Design—LRFD Method." Engineering Journal 36, no. 1 (1999): 29–38. http://dx.doi.org/10.62913/engj.v36i1.714.

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It is common design practice to design a building or structure beam-column with a moment-resisting or fixed base. Therefore the base plate and anchor rods must be capable of transferring shear loads, axial loads, and bending moments to the supporting foundation. Typically, these beam-column base plates have been designed and/or analyzed by using service loads or by approximating the stress relationship assuming the compression bearing location.The authors present another approach, using factored loads directly in a method consistent with the equations of static equilibrium and the LRFD Specifi

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27

Zheng, Xigui, Jinbo Hua, Nong Zhang, Xiaowei Feng, and Lei Zhang. "Simulation of the Load Evolution of an Anchoring System under a Blasting Impulse Load Using FLAC3D." Shock and Vibration 2015 (2015): 1–8. http://dx.doi.org/10.1155/2015/972720.

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A limitation in research on bolt anchoring is the unknown relationship between dynamic perturbation and mechanical characteristics. This paper divides dynamic impulse loads into engineering loads and blasting loads and then employs numerical calculation software FLAC3Dto analyze the stability of an anchoring system perturbed by an impulse load. The evolution of the dynamic response of the axial force/shear stress in the anchoring system is thus obtained. It is revealed that the corners and middle of the anchoring system are strongly affected by the dynamic load, and the dynamic response of she

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Aldivonso Tambunan and Samsul Abdul Rahman Sidik Hasibuan. "Study on the Ductility Behavior of Reinforced Concrete Columns with 10 mm Shear Reinforcement Diameter under Variable Axial Loads." Civilla : Jurnal Teknik Sipil Universitas Islam Lamongan 10, no. 1 (2025): 101–12. https://doi.org/10.30736/cvl.v10i1.1410.

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Understanding the ductility behavior of reinforced concrete columns is critical for ensuring structural safety in seismic regions, yet there remains limited research on the specific effects of shear reinforcement diameter under varying axial loads. This research investigates the ductility behavior of reinforced concrete columns with a 10 mm shear reinforcement diameter under varying axial loads of 1000 kN, 2500 kN, and 5000 kN. The study aims to understand the effect of shear reinforcement on the ductility of columns and how varying axial loads influence their performance. Numerical modeling w

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Pinarbasi, Seval, Fuad Okay, Erkan Akpinar, and Hakan Erdogan. "Stability Analysis of Two-Segment Stepped Columns with Different End Conditions and Internal Axial Loads." Mathematical Problems in Engineering 2013 (2013): 1–9. http://dx.doi.org/10.1155/2013/858906.

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Members with varying geometrical and/or material properties are commonly used in many engineering applications. Stepped columns with internal axial loads constitute a special case of such nonuniform columns. Crane columns in industrial buildings or structural columns supporting intermediate floors are important applications of stepped members in civil engineering. Since neither axial load nor stiffness is constant along the column height, the stability analysis of a stepped column is usually more complicated than that of a uniform column. Determination of exact buckling loads for stepped colum

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Georgiadis, Michael, and Sofia Saflekou. "Piles under axial and torsional loads." Computers and Geotechnics 9, no. 4 (1990): 291–305. http://dx.doi.org/10.1016/0266-352x(90)90043-u.

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Strel’nikov, V. N., and A. N. Degtyar’. "Axial Loads in a Wave Gear." Russian Engineering Research 43, no. 1 (2023): 69–71. http://dx.doi.org/10.3103/s1068798x23020247.

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Ganjali, Houman, Fei Tong, and Thomas Tannert. "Biaxial Resistance of Pre-Engineered Beam Hangers in Glulam." Buildings 15, no. 3 (2025): 440. https://doi.org/10.3390/buildings15030440.

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In timber construction, Glulam post-and-beam systems are commonly used to transfer vertical loads to the foundation. In such systems, the connections play a critical role in structural performance. Pre-engineered connectors, which facilitate fast and efficient assembly, are typically designed to resist only vertical shear loads. However, during seismic and wind events, post-and-beam systems deform horizontally, and axial forces develop at the connections. In this research, the performance of RICON and MEGANT pre-engineered connectors was studied under biaxial loading involving concurrent shear

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Jin, Chenhua, Yanli Su, Zuanfeng Pan, and Shaoping Meng. "Experimental Study and Finite Element Modelling of Squat Shear Walls under Combined Cyclic Loads and High Axial Loads." Buildings 13, no. 8 (2023): 2104. http://dx.doi.org/10.3390/buildings13082104.

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Experimental observations on three reinforced concrete shear walls with small shear span-to-depth ratio (SDR) under combined high vertical axial load and horizontal cyclic loads are presented. The influence of high axial load ratio (ALR) on the failure mode, hysteretic behaviour, displacement ductility, shear strength and stiffness of the squat shear walls is investigated. In addition, a novel built-in strain gauges measuring system is employed for measuring the strain conditions in the reinforcements during the whole test process. Test results indicate that high axial load restrains the devel

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Korochkin, A. "Standard Axle Loads in the Design of Motorway Pavements." IOP Conference Series: Earth and Environmental Science 988, no. 5 (2022): 052028. http://dx.doi.org/10.1088/1755-1315/988/5/052028.

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Abstract The paper considers issues of standard axle load, which is among the main design parameters when designing motorway pavements. Changing standard axle loads over time due to changes in the traffic flow composition is shown. Standard axial loads recommended for the design by the currently valid regulatory documents are given. Also, axle loads are given for trucks most widespread on domestic highways. Attention is drawn to the axle loads of modern vehicles, significantly exceeding the standard values. Also, the paper provides research data showing that more than 75 % of freight vehicles

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Baragetti, S., and A. Baryshnikov. "Rotary Shouldered Thread Connections: Working Limits Under Combined Static Loading." Journal of Mechanical Design 123, no. 3 (2000): 456–63. http://dx.doi.org/10.1115/1.1371476.

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Rotary shouldered connections (RSC), used in the oil and gas industries, are probably the most stressed components of the drill string because they are subjected both to make-up torque and to axial and bending loads. Since loads can vary and can result in fatigue crack initiation and propagation, there is often severe damage to the first threads engaged. Such damage leads to shoulder load reduction and discontinuity in the drill string. Once we know the geometric dimensions and the materials of the pin and box elements composing the RSCs, API standards make it possible to evaluate the working

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Briaud, Jean-Louis, and Guy Y. Felio. "Cyclic axial loads on piles: Analysis of existing data." Canadian Geotechnical Journal 23, no. 3 (1986): 362–71. http://dx.doi.org/10.1139/t86-051.

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A data base is collected to study the behavior of piles in clay under cyclic axial loads generated by ocean waves. The data base includes 9 studies on the cyclic behavior of clay samples in laboratory tests, 10 studies on cyclic model pile load tests in clay, and 16 studies on cyclic full-scale pile load tests in clay of which 4 studies are proprietary. First, general conclusions are drawn from inspection of these studies. Then a power law model is used to quantify the soil stiffness degradation as the number of cycles increases. The parameter for the model is back-figured for each case of the

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SONG, JUNG-HAN, HOON HUH, JI-HO LIM, and SUNG-HO PARK. "EFFECT OF TENSILE SPEED ON THE FAILURE LOAD OF A SPOT WELD UNDER COMBINED LOADING CONDITIONS." International Journal of Modern Physics B 22, no. 09n11 (2008): 1469–74. http://dx.doi.org/10.1142/s0217979208046943.

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This paper is concerned with the evaluation of the dynamic failure load of the spot weld under combined axial and shear loading conditions. The testing fixture are designed to impose the combined axial and shear load on the spot weld. Using the proposed testing fixtures and specimens, quasi-static and dynamic failure tests of the spot weld are conducted with seven different combined loading conditions. The failure load and failure behavior of the spot weld are investigated with different loading conditions. Dynamic effects on the failure load of the spot weld, which is critical for structural

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Al-Amery, Saja Saad, and Mohammed Hussein Al-Dahlaki. "Behavior of Piles subjected to Combined Axial and Lateral Loading." Engineering, Technology & Applied Science Research 15, no. 2 (2025): 21187–96. https://doi.org/10.48084/etasr.9798.

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Pile foundations are employed to sustain both vertical and horizontal loads in various geotechnical applications, including coastal and offshore engineering. The contemporary design methodology analyzes the response of piles under combined horizontal and vertical loads independently and then superimposes them. This simple analytical method does not account for the combined loads' coupling effect. The number of studies on this subject is limited and the findings thus far are unclear about the effect of vertical loads on the lateral response of piles. In this paper, a number of model experiments

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Wei, Yi, Ying Zhu, and Jing Ni. "Experimental Study on the Combined Effect of Cyclic and Static Loads on the Mechanical Properties of the Saturated Soft Clay Material." Key Engineering Materials 723 (December 2016): 843–48. http://dx.doi.org/10.4028/www.scientific.net/kem.723.843.

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The combined effect of cyclic and static loads on the mechanical properties of the soft clay was experimentally investigated by conducting undrained cyclic triaxial tests on Shanghai clay. The results show that an increment in either static or cyclic load increases excess pore pressures and axial strains. For a given value of combined cyclic and static loads, the mechanical properties of the soft clay are more sensitive to the cyclic load. Furthermore, the accumulated excess pore pressure and axial strain for a larger cyclic stress ratio and a lower combined stress ratio might overcome that fo

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Mohammadzadeh, R., M. M. Najafizadeh, and M. Nejati. "Buckling of 2D-FG Cylindrical Shells under Combined External Pressure and Axial Compression." Advances in Applied Mathematics and Mechanics 5, no. 03 (2013): 391–406. http://dx.doi.org/10.4208/aamm.2012.m39.

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AbstractThis paper presents the stability of two-dimensional functionally graded (2D-FG) cylindrical shells subjected to combined external pressure and axial compression loads, based on classical shell theory. The material properties of functionally graded cylindrical shell are graded in two directional (radial and axial) and determined by the rule of mixture. The Euler’s equation is employed to derive the stability equations, which are solved by GDQ method to obtain the critical mechanical buckling loads of the 2D-FG cylindrical shells. The effects of shell geometry, the mechanical properties

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Cao, Xin Ming, Xian Wu Huang, Zhi Gang Mo, and Hong Yuan Tian. "Introduction of Regional Confined Concrete." Advanced Materials Research 671-674 (March 2013): 697–703. http://dx.doi.org/10.4028/www.scientific.net/amr.671-674.697.

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Based on the research of normal confined concrete (NCC), regional confined concrete (RCC) was proposed years ago by authors. With the introduction of regional confinement concept, different mechanical properties, failure mode and energy dispatching property developed in the regional confined concrete elements. Experimental researches have been carried out during the past years on the elements under various loads, including beams under moments, short beams under shears, short columns under axial loads, middle long columns under eccentric loads, middle long columns under axial loads and columns

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Cao, Ying Chun, Ming Liu, Yuan Qing Wang, and Yan Nian Zhang. "Reliability Assessment under Combinations of Snow Load Effect: The Lightweight Steel Structures with Gabled Frames and Components Designs." Applied Mechanics and Materials 166-169 (May 2012): 1954–57. http://dx.doi.org/10.4028/www.scientific.net/amm.166-169.1954.

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Purpose: to assess reliability factor of Gable Framed Lightweight Steel Structural and Components, under combination of load effect of permanent loads and snow loads. Method: JC method is adopted in the calculations. From reliability of geometrical meaning, transform the solving of reliability problem into the finding of minimum constraints, and calculate reliability indicators by using a non-linear programming called ‘Lingo’ software. Results: based on dead load plus snow load, and combination of dead load plus snow load and wind load, to calculate reliability indicator of structural componen

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Ma, He, Peng Jiao, Huangyang Xu, Xinshuang Li, and Zhiping Chen. "Localized Perturbation Load Approach for Buckling Design of Thin-Walled Steel Cylindrical Shells under Partial Axial Compression." Metals 13, no. 9 (2023): 1539. http://dx.doi.org/10.3390/met13091539.

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A thin-walled steel cylindrical shell is a common engineering structure that has an efficient load-carrying capacity. This structure is more easily subjected to partial axial compression loads in application, and buckling is the main failure mode. However, there are few available design methods for partial axially compressed steel cylindrical shells. Motivated by this, a design method called the localized perturbation load approach (LPLA) is proposed in this paper. The finite element framework for the application of LPLA is established. The location and number of perturbation loads are determi

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Li, Yun Feng. "Loads Calculation of Pitch Bearing of Wind Turbine." Advanced Materials Research 148-149 (October 2010): 479–84. http://dx.doi.org/10.4028/www.scientific.net/amr.148-149.479.

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Loads calculation process for pitch bearing of wind turbine was presented. The aerodynamic of the rotor was analyzed by using momentum theory and blade element theory firstly; then the aerodynamic loads, the gravitational loads and the centrifugal loads of the pitch bearing were calculated along each axis of the bearing coordinate system; thirdly, all the loads of each direction of the pitch bearing load were composed into three loads, they are radial, axial and tilting moment loads. A calculation example was given at last.

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Hameed, Rashid, Saba Mahmood, M. Rizwan Riaz, S. Asad Ali Gillani, and Muhammad Tahir. "Strengthening of Un-Reinforced Brick Masonry Walls Using Epoxy Mortar." Journal of Applied Engineering Sciences 11, no. 2 (2021): 101–6. http://dx.doi.org/10.2478/jaes-2021-0013.

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Abstract This study is carried out to investigate the effectiveness of using externally applied epoxy mortar on joints of masonry wall panels to enhance their load carrying capacity under axial compressive and lateral loads. A total of six 113 mm thick masonry wall panels of size 1200 x 1200 mm were constructed for this study. Four out of six walls were strengthened using locally available CHEMDUR-31 epoxy mortar on joints. The remaining two walls were tested as control specimens. The control and strengthened wall panels were tested under axial compression and lateral loads. In axial compressi

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Capanni, Felix, Kirk Hansen, Daniel C. Fitzpatrick, Steven M. Madey, and Michael Bottlang. "Elastically Suspending the Screw Holes of a Locked Osteosynthesis Plate Can Dampen Impact Loads." Journal of Applied Biomechanics 31, no. 3 (2015): 164–69. http://dx.doi.org/10.1123/jab.2014-0193.

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Impact damping by elastic fixation is a principal engineering strategy to increase the durability of load-bearing structures exposed to prolonged dynamic loading. This biomechanical study evaluated axial impact damping provided by a novel dynamic locking plate. In this design, locking screw holes are elastically suspended within a silicone envelope inside the locking plate. Axial impact damping was assessed for 3 distinct fixation constructs applied to bridge a 10-mm fracture gap of a femoral diaphysis surrogate: a standard locking plate, a dynamic locking plate, and an Ilizarov ring fixator.

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Satar, M. H. Mohd, A. Marto, and B. A. Othman. "Settlement behaviour of geothermal energy pile under cyclic thermo-axial loads." IOP Conference Series: Earth and Environmental Science 1103, no. 1 (2022): 012030. http://dx.doi.org/10.1088/1755-1315/1103/1/012030.

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Geothermal energy pile (GEP) foundation is a new type of sustainable geostructure that can be used as an alternative solution to the energy demand for heating and cooling of built structures. However, due to limited information of this system, the installed piles have generally been over-designed to lower the risk of the system failing. This paper presents the findings of the research carried out to evaluate the performance of laboratory scaled GEP model (model pile) under the effects of the cyclic thermal loads on the settlement behaviour of the model pile with and without the application of

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Yan, Junbo, Yan Liu, and Fenglei Huang. "Improved SDOF Approach to Incorporate the Effects of Axial Loads on the Dynamic Responses of Steel Columns Subjected to Blast Loads." Advances in Civil Engineering 2019 (February 12, 2019): 1–9. http://dx.doi.org/10.1155/2019/7810542.

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In this paper, a complicated single-degree-of-freedom (SDOF) approach was developed to determine the global response of steel columns under combined axial and blast-induced transverse loads. Nonlinear section and member analyses were incorporated into the suggested SDOF method to account for the complex features of the material behavior, the high strain rate effect, and the column geometry. The SDOF technique was validated through comparisons with available finite element and experimental data, and a good consistency was obtained. Then, the validated SDOF approach was utilized to derive the pr

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Stepanov, Mykhailo, and Maryna Ivanova. "POWER LOADS WHEN PROCESSING HOLES WITH COMBINED AXIAL INSTRUMENT." Bulletin of the National technical university "Kharkiv Polytechnic Institute" Series: Techniques in a machine industry, no. 1 (October 5, 2022): 17–22. http://dx.doi.org/10.20998/2079-004x.2021.1(3).02.

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The axial component of cutting force and torque at the series-parallel scheme of cutting by thecombined axial tool are investigated. The influence of the number of stages of the combined axial toolon the total power loads and the nature of their change with increasing number of simultaneouslyworking stages of the tool is studied. The conclusion about the expedient quantity of simultaneouslyworking stages of the combined axial tool is made

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Wang, Yi, Jun Wang, Donghui Zhao, Gangarao Hota, Ruifeng Liang, and David Hui. "Flexural Behavior of Insulated Concrete Sandwich Panels using FRP-Jacketed Steel-Composite Connectors." Advances in Materials Science and Engineering 2022 (November 2, 2022): 1–25. http://dx.doi.org/10.1155/2022/6160841.

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This study presented the experimental and theoretical results of insulated concrete Sandwich panels with innovative dumbbell-shaped steel fiber-reinforced polymer (FRP) composite bar (SFCB) connectors under flexural load. The influences of FRP thickness and raised thickness of dumbbell ends of connectors, axial compression ratio, the content of vitrified microspheres in the wythes, and loading direction were discussed. The increase in thickness of a glass FRP (GFRP) jacket on the hybrid bar from 2 to 3 mm led to increased initial cracking load, ultimate load, and flexural stiffness of the Sand

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