Relevant bibliographies by topics / Axial load

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Axial load'

Author: Grafiati
Published: 4 June 2021
Last updated: 9 March 2023

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Journal articles on the topic "Axial load"

1

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 (August 1, 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 each sector and the total axial load is validated by three button sensors. Tests on the V-band clamp were successfully carried out and indicated a non-uniform distribution of axial and radial loads, with three highlights relating to existing papers: improved results for axial loads, new results for radial loads and an analysis of the moment and its direction, which is consistent with finite element studies.
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Hansapinyo, Chayanon, Suchart Limkatanyu, Hexin Zhang, and Thanongsak Imjai. "Residual Strength of Reinforced Concrete Beams under Sequential Small Impact Loads." Buildings 11, no. 11 (November 4, 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 load and shear reinforcement. Under the sequential small impacts, the axial load improves the impact performance. It reduces the tensile strain of the longitudinal reinforcement. Hence, the flexural tensile crack propagation is limited. In addition, the local damage at the impact location is minimized and the shear plug induced diagonal shear crack is prevented. The axial force is also able to diminish the adverse effect of the large spacing stirrups. Large impact load could alter the failure of a designed flexural critical reinforced concrete beam without axial load to the shear failure. Although the axial load improves the impact response, the Residual Resistance Index (RRI) decreases with axial load. For the damaged specimens with axial load, the ultimate static load is lower than the calculated concrete shear capacity and more severe diagonal shear cracks were found. It can be obviously said that the prior impact damage decreases the concrete shear capacity.
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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 (March 31, 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 concentrated load is imposed to the bottom of inner shell and the notch in fluid bag has little effects on the increment of pressure and volume variation of bag. The equivalent axial force generated by pressure loads imposed on the inner shell was calculated, the axial displacement of inner shell as well as increment of bag pressure caused by pressure loads is larger than concentrated load. The effects of different factors affecting the axial stiffness characteristics were discussed. The factor of load type has almost no effects on the axial stiffness variation, and has small impact on the increment of pressure variation of bag; Outer shell appears to be one of the crucial factors affecting the axial stiffness and increment of bag pressure variations; Fluid bag is the key factor determining the axial stiffness characteristics of mechanism, both of the axial displacement of inner shell and increment of bag pressure increase with loads when the pressure loads are imposed on the surface of fluid bag.
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Jorge, Caroline de Freitas, Letícia Cerri Mazza, Marcio Campaner, Abbas Zahoui, Lorena Scaioni Silva, Kevin Henrique Cruz, and Aldiéris Alves Pesqueira. "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 (July 25, 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, all connections generated the same high-intensity fringes (3.480 kPa), except by MT group, that produced the same amount as axial load (2.088 kPa). For the strain gauge analysis, for the axial load, EH showed the highest microstrains value (158,76) and lowets for MT (59,88). For all other groups, oblique load produced higher microstrains values than axial load. For the oblique load, MT showed the lowest microstrains value (88.79), followed by FMT (391,43), EH (468,47) and IMH (507,65). MTH presented the highest value (621,25) compared to all groups (P <0.05). When comparing both loads of the same connection system, only MT showed similar values (P <0.05). It was possible to conclude that the different connection systems tested directly influenced the stress distribution at both loads. The implants with internal connection present less stress distribution when submitted to axial load than the EH group. However, when the oblique load was applied, all connections presented higher values of stress distribution, except for the MT group.
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Torg, Joseph S., Helene Pavlov, Mary Jane O'Neill, Claude E. Nichols, and Brian Sennett. "The axial load teardrop fracture." American Journal of Sports Medicine 19, no. 4 (July 1991): 355–64. http://dx.doi.org/10.1177/036354659101900406.

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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 (May 11, 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, the influences of torque and axial force on the load-bearing capacity of straight pipes with local wall-thinning defects were quantitatively analyzed. For medium and low-pressure equipment, the load-bearing capacity was reduced by 0.59~1.44% under the influence of torque, and by 0.83~1.80% under the influence of axial force. For high-pressure equipment, the load-bearing capacity was reduced by 10.07~20.90% under the influence of torque, and by 2.01~12.40% under the influence of axial force.
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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 play.
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Lee. "Axial Load Performance of Circular CFT Columns with Concrete Encasement." Journal of Korean Society of Steel Construction 27, no. 6 (2015): 525. http://dx.doi.org/10.7781/kjoss.2015.27.6.525.

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Lan, Tao, Guangchong Qin, Jinzhao Zhuang, Youdi Wang, Qian Zheng, and Min Ding. "Axial Impact Load of a Concrete-Filled Steel Tubular Member with Axial Compression Considering the Creep Effect." Materials 12, no. 19 (September 26, 2019): 3134. http://dx.doi.org/10.3390/ma12193134.

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The dynamic loads acting on concrete-filled steel tubular members under axial impacts by rigid bodies were studied herein by FEM. The whole impact process was simulated and the time history of the impact load was obtained. The effects of eight factors on the axial impact load were studied; these factors were the impact speed, mass ratio, axial pressure ratio, steel ratio, slenderness ratio, concrete strength, impact position, and boundary conditions. Besides this, the effects of concrete creep on the impact load were also considered by changing the material parameters of the concrete. The results show that axial impact load changes with time as a triangle. The peak value of impact load increases and the impact resistance improves with the growth of the axial pressure ratio, steel ratio, slenderness ratio, and concrete strength after creep occurs. As the eccentricity of the axial impact acting on a concrete-filled steel tubular member increases, the peak value of the impact load decreases. The enhancement of constraints at both ends of the member can improve the impact resistance. The creep reduction coefficients for the peak axial impact load of a concrete-filled steel tubular member under axial compression and considering the creep effect over 6 months and 30 years are 0.60 and 0.55, respectively. A calculation formula for the peak value of impact load was suggested based on the existing formula, and its accuracy was proved by finite element calculation in this study.
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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 (June 24, 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 increasing axial tension, enhances the critical torsional load. In addition, two different mode shapes are predicted for the same critical combined loads, and the buckled shapes are generally three-dimensional.
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Dissertations / Theses on the topic "Axial load"

1

Kim, Myoung-Ho. "Analysis of Osterberg and Statnamic axial load testing and conventional lateral load testing." [Gainesville, Fla.] : University of Florida, 2001. http://etd.fcla.edu/etd/uf/2001/anp1033/MASTER.pdf.

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Thesis (M.E.)--University of Florida, 2001.
Title from first page of PDF file. Document formatted into pages; contains xii, 165 p.; also contains graphics. Vita. Includes bibliographical references (p. 164).
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Butz, Travis M. "Tests on pultruded square tubes under eccentric axial load." Thesis, Georgia Institute of Technology, 1997. http://hdl.handle.net/1853/21800.

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Lau, Hin Chung. "Development of a multi-axial load distribution measurement device." Thesis, University of Strathclyde, 2013. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=24966.

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Diabetic foot ulceration is a global health problem that often leads to amputation. While peripheral vascular disease and neuropathy are common risk factors for foot ulcers, excessive mechanical stress would directly cause the breakdown of plantar tissue. Once the skin is broken, many factors may contribute to defective healing and putting one at greater risk for ulceration. Clinical measurement of plantar pressure distribution, therefore, is commonly used to identify feet at risk of ulceration. However, plantar pressures are poor predictors and there is evidence that shear load is at least equally important in ulcer development. Compared to the numerous commercial systems available for plantar pressure distribution measurement, only a few experimental devices exist for shear distribution measurement. These are typically either too large for high spatial resolution measurement or expensive to manufacture, limiting their suitability for routine clinical use. The aim of this study was to develop a low-cost multi-axial load transducer array to measure the distribution of stress beneath the human foot during walking. A preexisting piezoelectric-based load transducer and several novel transducer designs using hydraulic, optoelectronic and magnetic-based technologies were manufactured and their performance relative to 29 criteria evaluated. The magnetic-based design was found to possess the highest performance (accuracy <3%RC, hysteresis <4%RC, non-linearity <2%RC) and physical characteristics (sensing area 10x10mm). Subsequently, an array consisting of 20 discrete magnetic-based transducers was constructed. In a single subject trial, the total shear load measured by the array was <2N of that measured by a Kistler® force platform. Although the array was capable of measuring biaxial shear load distribution, further work is required to expand the current design to measure load distribution beneath the entire plantar surface. Once realised, such a system has the potential to provide valuable biomechanical data that may help clinicians identify diabetic feet at risk of ulceration.
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Shope, Ronald L. "Response of Wide Flange Steel Columns Subjected to Constant Axial Load and Lateral Blast Load." Diss., Virginia Tech, 2006. http://hdl.handle.net/10919/29521.

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The response of wide flange steel columns subjected to constant axial loads and lateral blast loads was examined. The finite element program ABAQUS was used to model W8x40 sections with different slendernesses and boundary conditions. For the response calculations, a constant axial force was first applied to the column and the equilibrium state was determined. Next, a short duration, lateral blast load was applied and the response time history was calculated. Changes in displacement time histories and plastic hinge formations resulting from varying the axial load were examined. The cases studied include single-span and two-span columns. In addition to ideal boundary conditions, columns with linear elastic, rotational supports were also studied. Non-uniform blast loads were considered. Major axis, minor axis, and biaxial bending were investigated. The effects of strain rate and residual stresses were examined. The results for each column configuration are presented as a set of curves showing the critical blast impulse versus axial load. The critical blast impulse is defined as the impulse that either causes the column to collapse or to exceed the limiting deflection criterion. A major goal of this effort was to develop simplified design and analysis methods. To accomplish this, two single-degree-of-freedom approaches that include the effects of the axial load were derived. The first uses a bilinear resistance function that is similar to the one used for beam analysis. This approach provides a rough estimate of the critical impulse and is suitable only for preliminary design or quick vulnerability calculations. The second approach uses a nonlinear resistance function that accounts for the gradual yielding that occurs during the dynamic response. This approach can be easily implemented in a simple computer program or spreadsheet and provides close agreement with the results from the finite element method.
Ph. D.
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Usman, Irfan-ur-rab. "Rotary-axial spindle design for large load precision machining applications." Thesis, University of British Columbia, 2010. http://hdl.handle.net/2429/30163.

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Normal stress electromagnetic actuators can be used as both an axial bearing and an in-feed motor in precision machine tool applications that require only millimeter-range axial stroke, such as silicon wafer face grinding or meso-machining. The rotary cutting stage may be integrated with the axially-feeding stage in a rotary-axial architecture. This typology allows the use of independent rotary and axial actuators acting on a single moving mass, rather than an axial actuator moving an entire rotary motor assembly in the feed direction as in typical machine tool architectures. Non-collocated resonances are therefore minimized and thrust and radial stiffness is increased through the elimination of intermediate lateral and thrust bearings, and achievable closed loop positioning performance is improved. This thesis presents the working principle, design, and analysis of radially-biased electromagnetic bearing/actuators for large load precision rotary-axial spindle applications, and the integration of such an actuator in a full scale prototype to be used as a silicon wafer face grinder. The experimental results indicate that the rotary-axial spindle with radially-biased thrust bearing/actuator is capable of achieving less than 7 nm resolution over a 1.5 mm axial stroke, a worst case load capacity of approximately 5000 N and a best case load capacity of over 8000 N, with rotary-axial coupling of less than 30 nm axial error at 3000 rpm.
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Mohammed, Abdul Waheed. "Effects of Axial Component of Prestress in Load Balancing Method." OpenSIUC, 2012. https://opensiuc.lib.siu.edu/theses/802.

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Post-Tensioned concrete structures can be analyzed using different methods. One of these methods is the load balancing method introduced by T. Y. Lin. This method, unlike conventional stress methods, assumes pre-stress as a form of loading that counteracts the dead loads, live loads and service loads. Basically, the prestressing force is resolved into vertical and horizontal components and then the structure is analyzed as an ordinary loaded structure. The aim of this study is to investigate the effect of horizontal component of prestressing force in frames of different lengths. The horizontal component in beam-like structures will not affect the vertical reactions of the supports or bending moments of the beam. However, neglecting this component in frames can cause significant difference in the actual results. SAP2000 was used to analyze the frames by applying prestress forces directly and then by using balancing loads with and without considering the horizontal component of the prestressing force.
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Rahman, Muhammad Motiur. "Geopolymer concrete columns subjected to axial load and biaxial bending." Thesis, Curtin University, 2013. http://hdl.handle.net/20.500.11937/1410.

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This thesis focuses on the behaviour of fly ash based geopolymer concrete columns under axial load and biaxial bending. Tests showed that failure load of columns increased with the increase of concrete compressive strength and longitudinal reinforcement ratio, and decreased with the increase of load eccentricity. Use of the Bresler’s reciprocal load formula with an iterative procedure for slender columns in uniaxial bending conservatively predicted the strength of the test columns.
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Boggs, Thomas P. "Determination of axial load and support stiffness of continuous beams by vibration analysis." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-11102009-020304/.

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Da, Silva Pedro. "Effect of concrete strength on axial load response of circular columns." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0030/MQ64216.pdf.

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Li, Xinrong. "Reinforced concrete columns under seismic lateral force and varying axial load." Thesis, University of Canterbury. Civil Engineering, 1994. http://hdl.handle.net/10092/7593.

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The project is carried out with the intention to study the strength and ductility of reinforced concrete columns subjected to simulated seismic horizontal loading and varying axial load. First, an extensive review of previous research on the behaviour of reinforced concrete members and hysteretic modelling is provided. Then, the experimentally investigation which involves testing a total of nine reinforced concrete specimens under simultaneously cyclic lateral loading and varying axial load is carried out. The first series of six reinforced concrete column units were tested to obtain the variations in flexural hysteretic behaviour with fluctuation in axial load level. In the second phase of experimental investigation, three specimens were tested to study the shear strength of reinforced concrete columns subjected to cyclic lateral loading and varying axial load with emphasis placed on the study of degrading concrete shear resisting mechanisms and comparisons with the present design code equations for shear strength. Following the experimental program, the mechanisms of shear resistance and the factors affecting the shear strength are considered. In particular, the effects of alternating tension and compression axial load on the shear resisting mechanisms are studied. On the basis of experimental results, proposals are made for predicting shear strength of reinforced concrete column of ductility and limited ductility. Next, the theoretical work was undertaken to investigate the elastic and post-yield flexural rigidities of reinforced concrete sections. The equations for determining the elastic and post-yield flexural regidities are presented. Also, a moment-curvature hysteretic model including varying axial loading effect is proposed. The theoretical predictions for the moment-curvature hysteresis relationship were found to compare well with the experimental results. Finally, an example is given of inelastic dynamic response analysis of reinforced concrete frame using the proposed moment-curvature model which includes the effects of varying axial load on the yield moment, and loading and unloading stiffness of the structural members.
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Books on the topic "Axial load"

1

Yang, L. Behaviour of masonry columns of geometric section subjected to eccentric axial load. Manchester: UMIST, 1995.

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2

1945-, Sharma Om P., and United States. National Aeronautics and Space Administration., eds. Impact of periodic unsteadiness on performance and heat load in axial flow turbomachines. [Washington, D.C.]: National Aeronautics and Space Administration, 1997.

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Petsios, Mikhalis. Buckling of thin truncated conical shells (Frusta) under quasi-static and dynamic axial load. Manchester: UMIST, 1993.

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4

Hyer, M. W. Innovative design of composite structures: Axisymmetric deformations of unsymmetrically laminated cylinders loaded in axial compression : semiannual status report. Blacksburg, Va: College of Engineering, Virginia Polytechnic Institute and State University, 1990.

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5

F, Card Michael, and United States. National Aeronautics and Space Administration., eds. Effects of stiffening and mechanical load on thermal buckling of stiffened cylindrical shells: Presented at the AIAA/ASCE/ASC 36th Structures, Structural Dynamics and Materials Conference, April 10-12, 1995, New Orleans, LA, Thermal Structures Category. [Washington, D.C: National Aeronautics and Space Administration, 1995.

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F, Card Michael, and United States. National Aeronautics and Space Administration., eds. Effects of stiffening and mechanical load on thermal buckling of stiffened cylindrical shells: Presented at the AIAA/ASCE/ASC 36th Structures, Structural Dynamics and Materials Conference, April 10-12, 1995, New Orleans, LA, Thermal Structures Category. [Washington, D.C: National Aeronautics and Space Administration, 1995.

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7

Danielson, D. A. Analytical tripping loads for stiffened plates. Monterey, Calif: Naval Postgraduate School, 1994.

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8

Design of highly loaded axial-flow fans and compressors. White River Junction, Vt: Concepts ETI, 2000.

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Gur, J. Ari. Experimental studies with metal plates subjected to inplane axial impact. Haifa: Technion Israel Institute of Technology, 1985.

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10

Li︠a︡tkher, V. M. Seismic loads. Hoboken, New Jersey: John Wiley & Sons, Inc., 2016.

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Book chapters on the topic "Axial load"

1

O’Donnell, Seth, and Joey P. Johnson. "Pilon (Axial Load) Ankle Fractures." In The Orthopedic Consult Survival Guide, 255–58. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-52347-7_49.

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Hejazi, Farzad, and Hojjat Mohammadi Esfahani. "Eulerian Buckling of Column under Axial Load." In Solving Complex Problems for Structures and Bridges Using ABAQUS Finite Element Package, 247–63. Boca Raton: CRC Press, 2021. http://dx.doi.org/10.1201/9781003213369-8.

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Schaeffner, Maximilian, Christopher M. Gehb, Robert Feldmann, and Tobias Melz. "Forward vs. Bayesian Inference Parameter Calibration: Two Approaches for Non-deterministic Parameter Calibration of a Beam-Column Model." In Lecture Notes in Mechanical Engineering, 173–90. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-77256-7_15.

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AbstractMathematical models are commonly used to predict the dynamic behavior of mechanical structures or to synthesize controllers for active systems. Calibrating the model parameters to experimental data is crucial to achieve reliable and adequate model predictions. However, the experimental dynamic behavior is uncertain due to variations in component properties, assembly and mounting. Therefore, uncertainty in the model parameters can be considered in a non-deterministic calibration. In this paper, we compare two approaches for a non-deterministic parameter calibration, which both consider uncertainty in the parameters of a beam-column model. The goal is to improve the model prediction of the axial load-dependent lateral dynamic behavior. The investigation is based on a beam-column system subjected to compressive axial loads used for active buckling control. A representative sample of 30 nominally identical beam-column systems characterizes the variations in the experimental lateral axial load-dependent dynamic behavior. First, in a forward parameter calibration approach, the parameters of the beam-column model are calibrated separately for all 30 investigated beam-column systems using a least squares optimization. The uncertainty in the parameters is obtained by assuming normal distributions of the separately calibrated parameters. Second, in a Bayesian inference parameter calibration approach, the parameters are calibrated using the complete sample of experimental data. Posterior distributions of the parameters characterize the uncertain dynamic behavior of the beam-column model. For both non-deterministic parameter calibration approaches, the predicted uncertainty ranges of the axial load-dependent lateral dynamic behavior are compared to the uncertain experimental behavior and the most accurate results are identified.
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Li, L. "Stable Limit Axial Load Ratios of Concrete Filled Steel Tubular Beam-Columns Under Varying Axial Loads." In Lecture Notes in Civil Engineering, 1701–12. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-8079-6_157.

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Angotti, Franco, Matteo Guiglia, Piero Marro, and Maurizio Orlando. "Analysis of Second Order Effects with Axial Load." In Reinforced Concrete with Worked Examples, 123–94. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-92839-1_5.

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Strizhak, Viktor, and Igor Penkov. "Distribution of Axial Load on Bolt and Nut Threads." In International Symposium on History of Machines and Mechanisms Proceedings HMM 2000, 101–10. Dordrecht: Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-015-9554-4_11.

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Vedula, N. P., C. Spyrakos, and P. Klinkhachorn. "A Non-Destructive Evaluation Instrument for Axial Load Measurements." In Review of Progress in Quantitative Nondestructive Evaluation, 2199–206. Boston, MA: Springer US, 1997. http://dx.doi.org/10.1007/978-1-4615-5947-4_287.

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Virgin, L. N., and T. C. Lyman. "Structural Dynamics of a Frame Including Axial Load Effects." In Dynamics of Civil Structures, Volume 4, 119–24. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-9831-6_14.

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Vedula, N. P., C. Spyrakos, and P. Klinkhachorn. "A Non-Destructive Evaluation Instrument for Axial Load Measurements." In Research Transformed into Practice, 187–97. New York, NY: American Society of Civil Engineers, 1995. http://dx.doi.org/10.1061/9780784400944.ch17.

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Alajarmeh, Omar, Allan Manalo, Karu Karunasena, Brahim Benmokrane, and Priyan Mendis. "Axial Load Performance of GFRP-Reinforced Hollow Concrete Columns." In Lecture Notes in Civil Engineering, 400–414. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-88166-5_34.

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Conference papers on the topic "Axial load"

1

Kashino, Noboru (Bob), and Shinichi Ohno. "Axial Equivalent Load for Slew Ring Bearings under an Eccentric Axial Load." In SAE 2006 Commercial Vehicle Engineering Congress & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2006. http://dx.doi.org/10.4271/2006-01-3554.

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Leser, Christoph, Lokesh Juneja, Surot Thangjitham, and Norman E. Dowling. "On Multi-axial Random Fatigue Load Modeling." In International Congress & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1998. http://dx.doi.org/10.4271/980696.

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Alhanati, F. J. S., and P. Skoczylas. "PCP Axial Load: Theory and Lab Results." In SPE Annual Technical Conference and Exhibition. Society of Petroleum Engineers, 2004. http://dx.doi.org/10.2118/90153-ms.

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Strzelecki, Przemysław, and Tomasz Tomaszewski. "Analysis of axial load and bending load effects on the fatigue life." In INTERNATIONAL CONFERENCE ON THE METHODS OF AEROPHYSICAL RESEARCH (ICMAR 2018). Author(s), 2018. http://dx.doi.org/10.1063/1.5066409.

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CREASE, G., A. ROSELLO, JR., and A. FETFATSIDIS. "SSME alternate turbopump (pump section) axial load analysis." In 25th Joint Propulsion Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1989. http://dx.doi.org/10.2514/6.1989-2607.

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Zhang, Lianyang, and Jinming Xu. "Axial Load Transfer Behavior of Rock-Socketed Shafts." In International Foundation Congress and Equipment Expo 2009. Reston, VA: American Society of Civil Engineers, 2009. http://dx.doi.org/10.1061/41021(335)22.

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Misra, Anil, and Lance A. Roberts. "Probabilistic Axial Load Displacement Relationships for Drilled Shafts." In Geo-Frontiers Congress 2005. Reston, VA: American Society of Civil Engineers, 2005. http://dx.doi.org/10.1061/40777(156)4.

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Zhang, Jun, Qingbing Chang, Zongjin Ren, Jun Shao, Xinlei Wang, and Yu Tian. "Axial calibration methods of piezoelectric load sharing dynamometer." In MATERIALS SCIENCE, ENERGY TECHNOLOGY AND POWER ENGINEERING II (MEP2018). Author(s), 2018. http://dx.doi.org/10.1063/1.5041166.

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Yang, Haiyang, Zhedian Zhang *, and Keying Li. "Suggestion on Axial Staged Mild Combustion considering the variable load." In GPPS Chania22. GPPS, 2022. http://dx.doi.org/10.33737/gpps22-tc-47.

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Increasingly stringent regulations limit the pollutant emission of heavy-duty gas turbines over the entire load range from start-up to baseload. Due to the low emission of axial stage combustion technology and MILD conditions provided by the primary flue gas, axial stage MILD combustion is expected to further lower emissions and become more popular. However, the state of MILD combustion is easy to destroy when the load decreases. The load range of MILD combustion is affected by the gas turbine operating strategy and the axial stage strategy. Therefore, taking the F-class gas turbine as an example, the present study calculated the combustor parameters of two common partial load operation strategies: the IGV strategy and the fuel-only strategy. A staged MILD model is established by Chemkin software, and parametric research was carried out to analyze the effects of pressure, temperature, and mass flow on thermodynamics and chemical kinetics. Subsequently, the fuel and air distribution in the variable load process is studied to achieve MILD combustion in a large load range. Finally, a novel method of re-staged in the secondary stage is proposed, which enables both operating strategies to achieve MILD combustion from 0 loads to baseload.
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DIAO, Bin-bin, Zhi-jun HAN, and Guo-yun LU. "Dynamic Buckling on Rectangular Plates under Axial Step Load." In International Conference on Advanced Material Science and Engineeering (AMSE2016). WORLD SCIENTIFIC, 2016. http://dx.doi.org/10.1142/9789813141612_0041.

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Reports on the topic "Axial load"

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Salgado, Rodrigo. Use of Pile Driving Analysis for Assessment of Axial Load Capacity of Piles. Purdue University, December 2012. http://dx.doi.org/10.5703/1288284314671.

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Chou, Chung-Che, and Sung-Cheng Wu. TEST AND FINITE ELEMENT ANALYSIS OF HIGH-STRENGTH CONCRETE FILLED STEEL BOX COLUMNS UNDER COMBINED HIGH-AXIAL LOAD AND CYCLIC-LATERAL LOAD. The Hong Kong Institute of Steel Construction, December 2018. http://dx.doi.org/10.18057/icass2018.p.158.

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Strom, Ralph W., and Robert M. Ebeling. Simple Methods Used to Estimate the Limit-State Axial Load Capability of Spillway Invert Slabs. Fort Belvoir, VA: Defense Technical Information Center, August 2004. http://dx.doi.org/10.21236/ada427082.

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Robinson, W. Full-scale evaluation of multi-axial geogrids in road applications. Engineer Research and Development Center (U.S.), March 2022. http://dx.doi.org/10.21079/11681/43549.

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The U.S. Army Engineer Research and Development Center (ERDC) constructed a full-scale unsurfaced test section to evaluate the performance of two prototype geogrids, referred to as NX950 and NX750, in road applications. The test section consisted of a 10-in.-thick crushed aggregate surface layer placed over a very weak 2 California Bearing Ratio (CBR) clay subgrade. Simulated truck traffic was applied using one of ERDC’s specially designed load carts outfitted with a single-axle dual wheel truck gear. Rutting performance and instrumentation response data were monitored at multiple traffic intervals. It was found that the prototype geogrids improved rutting performance when compared to the unstabilized test item, and that the test item containing NX950 had the best rutting performance. Further, instrumentation response data indicated that the geogrids reduced measured pressure and deflection near the surface of the subgrade layer. Pressure response data in the aggregate layer suggested that the geogrids redistributed applied pressure higher in the aggregate layer, effectively changing the measured stress profile with an increase in pavement depth.
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Guo, Yan-Lin, Meng-Zheng Wang, Jing-Shen Zhu, and Xiao Yang. LOAD-BEARING CAPACITY OF CONCRETE-INFILLED DOUBLE STEEL CORRUGATED-PLATE WALLS WITH T-SECTION UNDER COMBINED AXIAL COMPRESSION AND BENDING MOMENT. The Hong Kong Institute of Steel Construction, December 2018. http://dx.doi.org/10.18057/icass2018.p.076.

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Wang, Wei, Michael Brown, Matteo Ciantia, and Yaseen Sharif. DEM simulation of cyclic tests on an offshore screw pile for floating wind. University of Dundee, December 2021. http://dx.doi.org/10.20933/100001231.

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Screw piles need to be upscaled for offshore use e.g. being an alternative foundation and anchor form for offshore floating wind turbines, although the high demand of vertical installation forces could prevent its application if conventional pitch-matched installation is used. Recent studies, using numerical and centrifuge physical tests, indicated that the vertical installation force can be reduced by adopting over-flighting which also improved axial uplift capacity of the screw pile. The current study extends the scope to axial cyclic performance with respect to the installation approach. Using quasi-static discrete element method (DEM) simulation it was found that the over-flighted screw pile showed a lower displacement accumulation rate, compared to a pitch-matched installed pile, in terms of load-controlled cyclic tests. Sensitivity analysis of the setup of the cyclic loading servo shows the maximum velocity during the tests should be limited to avoid significant exaggeration of the pile displacement accumulation but this may lead to very high run durations.
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Wang, Yao, Jeehee Lim, Rodrigo Salgado, Monica Prezzi, and Jeremy Hunter. Pile Stability Analysis in Soft or Loose Soils: Guidance on Foundation Design Assumptions with Respect to Loose or Soft Soil Effects on Pile Lateral Capacity and Stability. Purdue University, 2022. http://dx.doi.org/10.5703/1288284317387.

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The design of laterally loaded piles is often done in practice using the p-y method with API p-y curves representing the behavior of soil at discretized points along the pile length. To account for pile-soil-pile interaction in pile groups, AASHTO (2020) proposes the use of p-multipliers to modify the p-y curves. In this research, we explored, in depth, the design of lateral loaded piles and pile groups using both the Finite Element (FE) method and the p-y method to determine under what conditions pile stability problems were likely to occur. The analyses considered a wide range of design scenarios, including pile diameters ranging from 0.36 m (14.17 inches) to 1.0 m (39.37 inches), pile lengths ranging from 10 m (32.81 ft) to 20 m (65.62 ft), uniform and multilayered soil profiles containing weak soil layers of loose sand or normally consolidated (NC) clay, lateral load eccentricity ranging from 0 m to 10 m (32.81 ft), combined axial and lateral loads, three different pile group configurations (1×5, 2×5, and 3×5), pile spacings ranging from 3 to 5 times the pile diameter, two different load directions (“strong” direction and “weak” direction), and two different pile cap types (free-standing and soil-supported pile caps). Based on the FEA results, we proposed new p-y curve equations for clay and sand. We also examined the behavior of the individual piles in the pile groups and found that the moment applied to the pile cap is partly transferred to the individual piles as moments, which is contrary to the assumption often made that moments are fully absorbed by axial loads on the group piles. This weakens the response of the piles to lateral loading because a smaller lateral pressure is required to produce a given deflection when moments are transferred to the head of the piles as moments. When the p-y method is used without consideration of the transferred moments, unconservative designs result. Based on the FEA results, we proposed both a new set of p-multipliers and a new method to use when moment distribution between piles is not known, using pile efficiency instead to calculate the total capacity of pile groups.
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Terzic, Vesna, and William Pasco. Novel Method for Probabilistic Evaluation of the Post-Earthquake Functionality of a Bridge. Mineta Transportation Institute, April 2021. http://dx.doi.org/10.31979/mti.2021.1916.

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While modern overpass bridges are safe against collapse, their functionality will likely be compromised in case of design-level or beyond design-level earthquake, which may generate excessive residual displacements of the bridge deck. Presently, there is no validated, quantitative approach for estimating the operational level of the bridge after an earthquake due to the difficulty of accurately simulating residual displacements. This research develops a novel method for probabilistic evaluation of the post-earthquake functionality state of the bridge; the approach is founded on an explicit evaluation of bridge residual displacements and associated traffic capacity by considering realistic traffic load scenarios. This research proposes a high-fidelity finite-element model for bridge columns, developed and calibrated using existing experimental data from the shake table tests of a full-scale bridge column. This finite-element model of the bridge column is further expanded to enable evaluation of the axial load-carrying capacity of damaged columns, which is critical for an accurate evaluation of the traffic capacity of the bridge. Existing experimental data from the crushing tests on the columns with earthquake-induced damage support this phase of the finite-element model development. To properly evaluate the bridge's post-earthquake functionality state, realistic traffic loadings representative of different bridge conditions (e.g., immediate access, emergency traffic only, closed) are applied in the proposed model following an earthquake simulation. The traffic loadings in the finite-element model consider the distribution of the vehicles on the bridge causing the largest forces in the bridge columns.
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EXPERIMENTAL, NUMERICAL, AND THEORETICAL STUDY ON STATIC BEHAVIOUR OF NOVEL STEEL DOVETAIL JOINT SUBJECTED TO AXIAL TENSILE LOAD. The Hong Kong Institute of Steel Construction, March 2022. http://dx.doi.org/10.18057/ijasc.2022.18.1.4.

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In this study, two types of socket joints manufactured based on a simple design concept and bearing load principle are proposed. The design concept, design method, test program, and FE modelling method for a novel steel dovetail joint without teeth pattern (Interlock type I) and with teeth pattern (Interlock type II) are also discussed. In addition, the tests and numerical analyses of four specimens were conducted to investigate the bearing capacities and failure modes of the new joint systems under axial tensile loads. The test results indicated that the specimens with and without teeth patterns exhibited different tensile bearing capacities: the specimens with teeth patterns generated twice the tensile load capacity of those without teeth patterns. This result can be attributed to the fact that the interlock type-II specimens rely on the teeth pattern, edges of the hub keyway, and hub ring to bear the load, whereas interlock type-I specimens rely only rely on the edges of the hub keyway and hub rings. Further, the two types of specimens have the same failure modes when the beam-inserted end (tail) is pulled out of the hub keyway. In addition, shear failure occurs on the teeth pattern of the hub keyways and beam-inserted ends of the interlock type-II specimens. Two FE models are established to verify the results of the tests, and the related equations are derived and calculated. The results obtained from the numerical analysis using the equations were compared with the test results. Finally, it was concluded that the results obtained using the three analysis methods adopted in this study agree very well, with high calculation validity and efficiency.
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EFFICIENCY OF DIFFERENT CONNECTIONS ON THE BEHAVIOUR OF COLD-FORMED SINGLE-ANGLE STEEL MEMBERS CONNECTED THROUGH ONE LEGUNDER AXIAL LOADING. The Hong Kong Institute of Steel Construction, September 2022. http://dx.doi.org/10.18057/ijasc.2022.18.3.10.

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A detailed experimental program was performed using 36 cold-formed steel (CFS) single-angle column members attached by one leg was investigated subjected to axial compression loads. The key purpose of this research is to investigate the effect of slenderness ratio and different connection types on the load-carrying capacity of CFS angle sections under axial compression. The parameters investigated via the test program includes (a) angle sections with and without lipped profile, (b) sectional thicknesses (2 mm and 3mm), (c) slenderness ratios (λ = 20, 50, 80) from short to slender columns, and (d) type of connections i.e. two-bolt, three-bolt and welded connections. Results shown that the angle sections had a significant reduction in the load-carrying capacity when the slenderness ratio was increased from 20 to 80. Moreover, the mode of failure for short columns was changed from local buckling mode to combined local and flexural buckling for intermediate columns (λ = 50) and torsional-flexural buckling mode for long columns (λ = 80). Also, a detailed analytical study was carried out comparing the predictability of existing equations from different standards for angle sections under axial compression.
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