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Relevant bibliographies by topics / Flexural member

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Academic literature on the topic 'Flexural member'

Author: Grafiati

Published: 4 June 2021

Last updated: 4 February 2022

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Journal articles on the topic "Flexural member"

1

Zhou, Xin Gang, Hua Fang, Jun Yin Yan, and Peng Zhu. "The Study on Bond and Anchorage Behavior of RC Flexural Members with Inorganic Adhesive Powder." Applied Mechanics and Materials 166-169 (May 2012): 1696–701. http://dx.doi.org/10.4028/www.scientific.net/amm.166-169.1696.

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To study the anchorage performance of the inorganic post-installed RC flexural members in flexural test, this paper simulates the stress state of the inorganic post-installed RC flexural members in practical projects. Through cyclic loading test, the anchorage performance of the inorganic post-installed RC flexural members in the bending tensile conditions is checked. This paper studies the anchorage performance of the post-installed steel at the state of bending tension, such as: adhesion stress, bond-slip relationship, the load carrying capacity, deformation behavior of the flexural member, and compare with those of normal member. The result indicates that with anchorage length of 20D in flexure member, the load carrying capacity of the inorganic post-installed reinforced concrete is apparently worse to those of normal members under repeated loading test; In case that anchorage length is invariable, load carrying capacity can be significantly enhanced through improving the concrete strength level. The anchorage zone is easily damaged, and the steel is easily slipped, which result in the decrease of the load carrying capacity, so some measures must be taken if inorganic adhesive powder is used in practical projects.

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Kang, Su-Tae. "Comparison of Flexural Tensile Behaviors with Different Filling Directions in Producing UHPCC Flexural Member." Journal of the Korean Society of Civil Engineers 34, no. 2 (2014): 447. http://dx.doi.org/10.12652/ksce.2014.34.2.0447.

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Shokouhian, Mehdi, and Yongjiu Shi. "Classification of I-section flexural members based on member ductility." Journal of Constructional Steel Research 95 (April 2014): 198–210. http://dx.doi.org/10.1016/j.jcsr.2013.12.004.

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Yu, Jiangtao, and Junhong Ye. "Nacre inspired 3D printing construction for high performance structural member." MATEC Web of Conferences 275 (2019): 02005. http://dx.doi.org/10.1051/matecconf/201927502005.

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Inspired by the nacre’s hierarchically assembled structure, the authors tried to use ultra-high ductile cementitious composites (UHDCC) and stack approach to fabricate structure possessing high flexural ductility and load bearing capacity. A series of beams with specially design was constructed, i.e., monolithically cast beams, monolithically stacked beams and hierarchically stacked beams. Four-point bending tests were carried out to explore the effect of hierarchical assembly on load bearing capacity, flexural deformation and flexural toughness. The test results have indicated that the monolithically stacked beams outperform the monolithically cast beams in both deformability and loading bearing capacity, indicating the effectiveness of stack-based construction. Moreover, the setup of connect/separation between layers further improves the flexural ductility of the hierarchically stacked beams, as compared with the monolithically stacked beams. Digital Image Correlation (DIC) observations indicate that the nacreous-like structure of the hierarchically stacked beam helps to trigger crack deflecting and branching between layers and inside matrix, lead to limited slide between layers, thus effectively relieving concentrated strain inside matrix, postponing the emergence of the critical crack and consequently improving the flexural ductility of nacreous-like UHDCC beams.

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Mitsui, Kazuya, and Atsushi Sato. "Flexural Elastic Buckling Stress of Batten Type Light Gauge Built-Up Member." Civil and Environmental Engineering Reports 25, no. 2 (2017): 161–72. http://dx.doi.org/10.1515/ceer-2017-0027.

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Abstract In Japan, built-up member composed with light gauge is used for studs of shear wall. Flexural buckling stress of built-up compression member is evaluated by effective slenderness ratio. The effective slenderness ratio of light gauge built-up compression member is proposed for heavy sections; however, it is not verified that it can be adopted in light gauge. In this paper, full scale testing of light gauge built-up members are conducted. From the test results, it is shown that current Standard overestimates the buckling strength. Based on energy equilibrium theory, modified effective slenderness ratio for light gauge built-up member is derived. The validity of the modified effective slenderness ratio is shown with test results.

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Li, Wen Sheng, and Yi Heng He. "Comprehensive Evaluation of In-Service RC Flexural Member′s Reliability Based on Attribute Mathematics." Advanced Materials Research 163-167 (December 2010): 3009–14. http://dx.doi.org/10.4028/www.scientific.net/amr.163-167.3009.

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When the reliability analysis of in-service RC flexural member is carried on, an expert evaluation or AHP (analytical hierarchy process) for evaluation is commonly used, but human factors are big. This paper presents a comprehensive evaluation method of a existing RC flexural member’s reliability on the basis of attribute mathematics. According to the actual measured values of each index in the evaluation system, using a mathematical method to calculate weight, and build a comprehensive quantitative analysis model. Example analysis shows that this method can effectively identify and finely distinguish the reliability of in-service RC flexural members, which be much more objective and scientific compared with other previous methods.

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Kim, Mun-Gil, and Sung-Chul Chun. "Flexural Tests of Flexural Member with Welded Lap Splices of Non-Weldable Reinforcing Bars." Journal of the Korea Concrete Institute 30, no. 5 (2018): 489–96. http://dx.doi.org/10.4334/jkci.2018.30.5.489.

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Xiao, Tong Liang, and Hong Xing Qiu. "Theoretical Analysis on Flexural Behavior of Concrete Members Reinforced by Steel-Basalt FRP Composite Bars." Applied Mechanics and Materials 578-579 (July 2014): 236–39. http://dx.doi.org/10.4028/www.scientific.net/amm.578-579.236.

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Steel-Basalt FRP Composite Bar (S-BFCB) is a new kind of substitute material for longitudinal reinforcement, with high elastic modulus, stable post-yield stiffness and excellent corrosive resistance. It is made up of steel wrapped by basalt FRP in longitudinal direction. Based on mechanical properties of S-BFCB and the plane cross-section assumption, the moment-curvature relationship and stiffness on flexural members at different stages have been analyzed and verified by experiment. Flexural member reinforced by S-BFCB can make full use of the strength of FRP. By the principle of equivalent bar stiffness, the results show that the curvature and stiffness are almost the same results at pre-yield stage. While after yield, flexural member reinforced by S-BFCB has stable secondary stiffness and high bearing capacity. With the increase of fiber, the ultimate bearing capacity is improved.

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Jung, Jae Ho, Soon Jong Yoon, Sung Kun You, and Seok Goo Youn. "Effect of the Elastic Restraint by Adjacent Plate Component on the Local Buckling of Orthotropic Box-Shape Flexural Members." Key Engineering Materials 297-300 (November 2005): 1253–58. http://dx.doi.org/10.4028/www.scientific.net/kem.297-300.1253.

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The local buckling analysis of thin walled member is generally conducted by modeling each plate component as an isolated plate with elastically restrained boundaries. When this analytical model is used for the orthotropic flexural members, it is necessary to obtain the degree of elastic restraint provided by adjacent plate. In this study, the equation to find the coefficient of elastic restraint by adjacent plate components of an orthotropic box-shape flexural member was derived by employing the energy approach, and the factors affecting the elastic restraint were briefly discussed. Using the suggested equation, the coefficient of elastic restraint was calculated, and the local buckling analysis was conducted according to the stepwise analytical procedure published by the authors. The theoretical predictions were in good agreement with results obtained by the closed-form solution. The local buckling strength of an orthotropic box-shape flexural member can be easily obtained through stepwise analytical procedure with the proposed equation that accounts for the effect of elastic restraint imposed by adjacent plate components.

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Yuan, Fang, Liping Chen, Mengcheng Chen, and Kaicheng Xu. "Behaviour of Hybrid Steel and FRP-Reinforced Concrete—ECC Composite Columns under Reversed Cyclic Loading." Sensors 18, no. 12 (2018): 4231. http://dx.doi.org/10.3390/s18124231.

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Fibre-reinforced polymer (FRP) is used widely in concrete structures owing to its noncorrosive, light-weight, nonmagnetic, and high tensile-strength properties. However, the FRP-reinforced concrete flexural member exhibits low ductility owing to the linear–elastic property of FRP reinforcement. Hybrid steel—FRP-reinforced concrete members exhibit good strength and ductility under flexure owing to the inelastic deformation of steel reinforcement. The existing investigations have focused on the mechanical behaviours of the hybrid steel—FRP-reinforced flexural members. Only few studies have been reported on the members under combined flexural and compression loads, such as columns, owing to the poor compressive behaviour of FRP bars. We herein propose a new type of hybrid steel—FRP-reinforced concrete—engineered cementitious composite (ECC) composite column with ECC applied to the plastic hinge region and tested it under reversed cyclic loading. The hybrid steel—FRP-reinforced concrete column was also tested for comparison. The influence of matrix type in the plastic hinge region on the failure mode, crack pattern, ultimate strength, ductility, and energy dissipation capacity, of the columns were evaluated systematically. We found that the substitution of concrete with ECC in the plastic hinge zone can prevent the local buckling of FRP bars efficiently, and subsequently improve the strength and ductility of the column substantially.

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Dissertations / Theses on the topic "Flexural member"

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Chamberlain, James M. Jr. "Flexural Resistance Factors for Partially Prestressed Members Using ASTM A 1035 Reinforcing Steel." University of Cincinnati / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1353154594.

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Sahin, Serkan. "A Comparative Study Of Aisc-360 And Eurocode 3 Strength Limit States." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/12610894/index.pdf.

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Nowadays<br>design, fabrication and erection of steel structures can be taken place at different locations as a result of rapid globalization<br>owners may require the use of widely accepted steel design codes. Therefore, engineers are faced with the challenge of being competent with several design specifications for a particular material type. AISC-360 and EC3 are widely accepted steel structure design specifications that utilize limit state principles with some similarities and differences in application. Hereby a study has been undertaken to put together the nominal strength expressions presented in both AISC-360 and EC3 codes in a single document, to identify the similarities and the differences in calculated strengths and to facilitate rapid learning of either of the specifications with prior knowledge of the other. Because of the wide scope of specifications, only fundamental failure modes are considered in this thesis. Resistance equations are directly compared with each other wherever possible. For cases where the treatment of specifications is entirely different, representative members were considered for comparison purposes.

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Jiang, Yi Carleton University Dissertation Engineering Civil and Environmental. "Interactive design of continuous flexural steel members." Ottawa, 1995.

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4

Weiland, Silvio, and Manfred Curbach. "Interaktion gemischter Bewehrungen bei der Verstärkung von Stahlbeton mit textilbewehrtem Beton." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2009. http://nbn-resolving.de/urn:nbn:de:bsz:14-ds-1244051366655-25294.

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Textile Bewehrungen stellen eine hervorragende Alternative zu bisherigen Verstärkungsmethoden dar. Die Wirksamkeit von Textilbetonverstärkungen konnte bereits eindrucksvoll nachgewiesen werden. Um sowohl die vorhandene Bausubstanz, als auch die Verstärkung optimal auszulasten, ist es erforderlich, das Zusammenwirken beider Bewehrungsarten unter Berücksichtigung der unterschiedlichen Verbundeigenschaften zu beschreiben. In diesem Beitrag wird das gemeinsamen Tragverhalten von Betonstahl und textiler Bewehrung eingehend erläutert. Zur Veranschaulichung wird daher vor allem die Verbundtragwirkung und deren Einfluss auf gerissene Zugglieder genauer untersucht.

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5

Lau, Tak-bun Denvid. "Flexural ductility improvement of FRP-reinforced concrete members." Click to view the E-thesis via HKUTO, 2006. http://sunzi.lib.hku.hk/hkuto/record/B38907756.

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El-Rimawi, J. A. "The Behaviour of Flexural Members under Fire Conditions." Thesis, University of Sheffield, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.608342.

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Lau, Tak-bun Denvid, and 劉特斌. "Flexural ductility improvement of FRP-reinforced concrete members." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2006. http://hub.hku.hk/bib/B38907756.

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Al-Sunna, Raed Akram Saliba. "Deflection behaviour of FRP reinforced concrete flexural members." Thesis, University of Sheffield, 2006. http://etheses.whiterose.ac.uk/3597/.

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The design of fibre reinforced polymer (FRP) reinforced concrete (RC) can often be governed by the serviceability limit state of deflection. Currently, the evaluation of short-term deflection of FRP RC is undertaken using radically different approaches, in both research and codes of practice. This study investigates the short-term deflection behaviour of FRP RC, both experimentally and analytically, and examines the merits of those different approaches. Experimentally, 28 RC beams and slabs with glass, carbon or steel rebars are tested under four-point loading. The main variables considered are the reinforcement ratio, modulus of elasticity and bond. In addition to measuring deflections, closely-spaced strain gauges are used to measure rebar strains between one forced crack at midspan and two naturally-occurring cracks on either side. This setup enables the investigation of rebar strains, tension stiffening and bond between flexural cracks. Furthermore, in connection with concrete strains at the extreme compressive concrete fibre, the flexural load-curvature relationship is evaluated experimentally and used to decompose the total deflection into flexural and shear-induced deflections. Analytically two numerical analysis methods are used to provide further insight into the experimental results. Finite element analysis with smeared modelling of cracks is used to predict and examine the stress-displacement response in detail. Cracked section analysis is used to provide upper-bound deflections and strains. This study also deals with the ACI and Eurocode 2 approaches for prediction of short- term deflection. The deflection prediction and tension stiffening expressions of these codes are evaluated against the experimental results of this and other studies. The main conclusion is that deflection of FRP RC is essentially due to flexural curvatures, and can be reasonably evaluated by the tension stiffening model of Eurocode 2. However, with reinforcement of relatively low axial stiffness, and depending on the reinforcement bond characteristics, shear-induced deformations become significant and may need to be evaluated.

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Shitindi, Rowland V. "IMPROVEMENT OF DUCTILITY IN FRP-CONCRETE FLEXURAL MEMBERS." Kyoto University, 1999. http://hdl.handle.net/2433/181308.

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10

Groulx, Jean-Guy Joseph Carleton University Dissertation Engineering Civil and Environmental. "Investigation of wood flexural members reinforced with glass fibers." Ottawa, 1995.

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Books on the topic "Flexural member"

1

Durkin, Claire Theresa. A critical appraisal of the hot form design of flexural members. The Author], 1993.

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2

Wang, C. M. Shooting-optimization technique for large deflection analysis of structural members. University of Queensland, Dept. of Civil Engineering, 1990.

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Wang, C. M. Shooting-optimization technique for large deflection analysis of structural members. Department of Civil Engineering, The University of Queensland, 1990.

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4

Delaney, Jason C. The assessment of aspects related to defect criticality in CFRP strengthened concrete flexural members. Dept. of Structural Engineering, University of California, San Diego, 2006.

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5

Gutkowski, Richard M. Durability and ultimate flexural loading of shear spike repaired, large-scale timber railroad bridge members. Mountain-Plains Consortium, 2007.

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6

Minimum Reinforcement in Concrete Members (European Structural Integrity Society). Elsevier Science, 1999.

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7

Mechanics of Elastic Structures with Inclined Members: Analysis of Vibration, Buckling and Bending of X-Braced Frames and Conical Shells (Lecture Notes in Applied and Computational Mechanics). Springer, 2005.

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Book chapters on the topic "Flexural member"

1

Shin, Kyung-Jae, and Swoo-Heon Lee. "Flexural Member." In Experiment-Based Structural Mechanics. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-8311-7_3.

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GangaRao, Hota V. S., and Woraphot Prachasaree. "Flexural Member Design." In FRP Composite Structures. CRC Press, 2021. http://dx.doi.org/10.1201/9781003196754-9.

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3

Seo, Soo Yeon, Kyong Tae Kim, Hyun Do Yun, Ki Bong Choi, and Seung Joe Yoon. "Flexural Capacity of Reinforced Concrete Member Retrofitted with Carbon Fiber Sheet." In Advances in Fracture and Damage Mechanics VI. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-448-0.973.

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M°Kenzie, W. M. C. "Flexural Members." In Design of Structural Steelwork to BS 5950 and C-EC3. Macmillan Education UK, 1998. http://dx.doi.org/10.1007/978-1-349-14612-3_2.

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Singh, Harvinder. "Design of SFRC Flexural Members." In Springer Transactions in Civil and Environmental Engineering. Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-2507-5_3.

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Gu, Xianglin, Xianyu Jin, and Yong Zhou. "Bending Behavior of Flexural Members." In Basic Principles of Concrete Structures. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-48565-1_5.

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Unsworth, John F. "Design of Flexural Steel Members." In Design and Construction of Modern Steel Railway Bridges. CRC Press, 2017. http://dx.doi.org/10.1201/9781315120775-7.

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Hoffman, Edward S., Albert S. Gouwens, David P. Gustafson, and Paul F. Rice. "Beams and Girders as Flexural Members." In Structural Design Guide. Springer US, 1996. http://dx.doi.org/10.1007/978-1-4613-1171-3_3.

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Meyer, C., F. C. Filippou, and P. Gergely. "Flexural Members and Beam-Column Joints." In Modelling and Analysis of Reinforced Concrete Structures for Dynamic Loading. Springer Vienna, 1998. http://dx.doi.org/10.1007/978-3-7091-2524-3_2.

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Fanella, David A., Rene Amon, Bruce Knobloch, and Atanu Mazumder. "Members under Flexure: 1." In Steel Design for Engineers and Architects. Springer US, 1992. http://dx.doi.org/10.1007/978-1-4615-9729-2_2.

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Conference papers on the topic "Flexural member"

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Joo, James J., and David H. Myszka. "A Novel Compliant Bistable Mechanism Incorporating a Fixed-Guided Flexural Member." In ASME 2020 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/detc2020-22420.

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Abstract This paper presents the design of a novel compliant bistable mechanism. Bistable mechanisms are commonly used in switches and other devices that operate in two distinct modes. This mechanism is a single monolithic structure with simple geometry and does not require external components or post-manufacture assembly. As such, the design is ideally suited for additive manufacturing at large, or micro, scales. The design features a fixed-guided flexural member with surrounding geometry. When a load is applied to the mechanism in a stable configuration, the flexural member exhibits an inflection point that enables bifurcated behavior. As a result, the mechanism snaps between two stable positions in an on-off operation mode. This paper describes the mechanism geometry and its operation. Preliminary design modeling equations are formulated. A finite element simulation is presented that verifies the design equations. Lastly, a prototype is presented to confirm the operation and facilitate force and displacement measurements.

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Yu, Chih-Peng, Chia-Chi Cheng, and Chih-Hung Chiang. "Alternative determination of cable forces using flexural theory of axially loaded member." In SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring. SPIE, 2011. http://dx.doi.org/10.1117/12.880346.

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Yamada, Tatsuya. "The new large space frame - TAMA-SUDARE." In IABSE Conference, Kuala Lumpur 2018: Engineering the Developing World. International Association for Bridge and Structural Engineering (IABSE), 2018. http://dx.doi.org/10.2749/kualalumpur.2018.0579.

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<p>The frame that we propose consists only of thin bars (main members), tension rods and pin joints, just like the sticks, threads and knots of Tama-Sudare, a tool used for traditional Japanese performance. They complement one another and thus forms a huge space.</p><p>Flexible frames composed of small members vary subtly in shape and density according to the surrounding environment.</p><p>Moreover, single fames made of repetitions of several types of members facilitate construction and transportation.</p><p>The roof structure of this stadium is composed of what we call Tama-Sudare Frames.</p><p>A Tama-Sudare Frame is a system that can attain a flexible configuration by combining a flexural member (main member), a tension member (tension rod) and a pin joint connecting them.</p>

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Wencong, Li. "Flexural Behavior of Composite Beam with I-Shaped Cross-Section Shear Connector." In IABSE Conference, Seoul 2020: Risk Intelligence of Infrastructures. International Association for Bridge and Structural Engineering (IABSE), 2020. http://dx.doi.org/10.2749/seoul.2020.297.

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<p>In recent years, supertall buildings above a height of 450 meter have been built continuously in the world, especially in China and the Middle East. In order to meet structural performance of the supertall buildings, structural systems with excellent seismic performance and wind resistance performance are required. In the structural system, mega-column located at the building perimeter is a key structural member and it is expected to have large tensile, compressive, flexural, shear and torsional strength. Therefore, it is desirable that the steel and the concrete in the mega-column can be integrated tightly. In this study, I-shaped cross-section shear connector is proposed to prevent the slip between steel and concrete. Three-point flexural tests of a I-shaped cross-section steel and concrete composite beam specimen with I-shaped cross-section shear connectors and a conventional I-shaped cross-section steel and concrete composite beam specimen without I-shaped cross-section shear connector were carried out to investigate the effect of I-shaped cross-section shear connector on the inelastic behavior of a flexural member. The experimental results showed that the composite beam specimen with I-shaped cross-section shear connectors exhibited higher flexural strength and it is expected that the proposed I-shaped cross-section shear connector has a potential of being applied to the mega-column in the tomorrow’s supertall buildings.</p>

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Jiang, Yadong, António Silva, Luís Macedo, José Miguel Castro, Ricardo Monteiro, and Tak-Ming Chan. "SIMPLIFIED MODELLING OF CIRCULAR CFST MEMBERS WITH A CONCENTRATED PLASTICITY APPROACH." In 12th international conference on ‘Advances in Steel-Concrete Composite Structures’ - ASCCS 2018. Universitat Politècnica València, 2018. http://dx.doi.org/10.4995/asccs2018.2018.7162.

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The research reported herein aims to propose an accurate and efficient simplified numerical modelling approach for circular Concrete-Filled Steel Tubes (CFST) under flexural loading. Experimental tests were carried out to characterize the monotonic and cyclic behaviour of CFST members under bending. To assess the seismic performance of a composite structure with CFST members, both Distributed Plasticity (DP) and Concentrated Plasticity (CP) models were considered as potential simplified models for CFST members. The DP model was developed on the basis of a fibre discretization of the composite cross-section and displacement-based beam-column finite element. It was concluded that one could not accurately capture the development of local buckling of the steel tube and the development of multi-axial stress state effects (e.g. concrete confinement). Thus the DP model was found to be unsuitable for modelling of CFST members under cyclic flexural loading. Regarding the CP modelling, the modified Ibarra-Medina-Krawinkler deterioration model (with peak-oriented hysteretic response) was selected to define the behaviour of the plasticity spring associated with the plastic hinging region of the member. In order to accurately simulate the cyclic behaviour of the CFST section within the response of the spring, the deterioration model was calibrated, within a parameter-optimization framework, on the basis of 3D comprehensive numerical models in ABAQUS. The CP model was found to capture well the deterioration in both strength and stiffness of the hysteretic loops of the CFST members, which may be mostly associated with the development of local buckling phenomena. Furthermore, the elastic stiffness, the ultimate strength and the pinching effects of the hysteretic loops were also well simulated. Thus, the proposed CP model, coupled with the advanced calibration framework, was concluded to have a high level of accuracy in terms of simulating the cyclic flexural response of CFST members.

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Smith, Hunter, Yavuz Ayhan, and Ali Sari. "Fire Assessment of Steel Beam Members With Partial Passive Fire Protection Coverage." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-88051.

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In offshore structures there are instances where the application of passive fire protection (PFP) is not possible or desired on certain portions of a structural member’s surface area. The most common cases are those where the top surface is left unprotected due to the presence of deck grating or plating. Current code and standard provisions on heat transfer and strength assessment of restrained flexural members are not directly applicable to these cases. Thus, a case study is presented for performing a fire assessment of a restrained plate girder subjected to jet fire impingement with the top flange surface left unprotected. To assess residual strength and perform non-linear analyses under combined thermal and static loading, a heat transfer analysis was first performed to obtain the time histories of the two dimensional heat distributions throughout the studied cross-section. The results showed that the top flange heats up rapidly and the heat conducts very slowly down the web to the rest of the cross-section, with a very large thermal gradient occurring over the height of the section. Approximate screening calculations for the cross-section, based on AISC capacity equations, indicated that the member will quickly exceed its elastic capacity and that local buckling may occur prior to yielding. Advanced non-linear finite element analysis of the mechanical response confirmed large amounts of plasticity and local buckling occur, but showed that global integrity of the member is maintained for the duration of the fire due to redundancy and catenary action. Recommendations and conclusions on analysis methods for partially protected deck members are made based on the results of this study.

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Honickman, Hart, Jennifer Johrendt, Derek Northwood, and Peter Frise. "Design of a Pultruded Steel-GFRP Hybrid Structural Member." In ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-37378.

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A novel hybrid structural member is under development for vehicle applications. The new structure is comprised of a pultruded glass fibre reinforced polymer (GFRP) shell structure with embedded longitudinal steel rods. The rods will resist the majority of flexural and axial stresses, and serve as hard points for connection to other components; the GFRP webs between the rods will primarily be responsible for resisting shear flow. It is expected that this structural system will offer many of the benefits of carbon fibre reinforced polymer (CFRP) structures, while remaining cost effective for mass production. This paper details the process used to design physical specimens that will be fabricated and tested to experimentally assess the behaviour and performance of this hybrid structural system. Since the intended application of this technology is for vehicle structures, the specimens were designed as though they would be required to endure the environments typically seen by an automotive structure. The design was largely carried out using conventional design and analysis techniques for fibre composite laminates; however, some provisions and design innovations were necessary in order to account for the highly heterogeneous and anisotropic qualities of the hybrid members, and to ensure manufacturability using existing pultrusion equipment. Differential thermal expansion coefficients raised concerns regarding prestressing that could be induced during the pultrusion process. The quality of the bond between the steel rods and the polymer matrix was another matter that received attention. Another critical aspect of the design was the displacement and discontinuity of the GFRP laminae in the regions of the embedded steel rods.

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Thompson, B. S., and X. Tao. "A Note on the Experimentally-Determined Elastodynamic Response of a Slider-Crank Mechanism Featuring a Macroscopically-Smart Connecting-Rod With Ceramic Piezoelectric Actuators and Strain Gage Sensors." In ASME 1994 Design Technical Conferences collocated with the ASME 1994 International Computers in Engineering Conference and Exhibition and the ASME 1994 8th Annual Database Symposium. American Society of Mechanical Engineers, 1994. http://dx.doi.org/10.1115/detc1994-0243.

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Abstract An experimental investigation is presented into the elastodynamic flexural response of a smart flexible connecting-rod of a planar slider-crank mechanism which features both macroscopic actuators and sensors. This connecting-rod was synthesized with two thin PZT ceramic piezoelectric plate actuators bonded to the flanks of the beam-like member at the mid-span of the link, which were employed to reduce the magnitude of the flexural response when they were activated by amplified signals emulating from two strain gage sensors bonded to the surfaces of the piezoceramic actuators. The authors believe that this is the first paper to present experimental results for a linkage featuring this class of smart materials, and these results will hopefully motivate more theoretical studies on mechanism systems fabricated from this class of biomimetic materials. The results from this preliminary investigation add credibility to the proposition that this new generation of macroscopically smart materials will have a significant role to play in the design of the next generation of machines and mechanisms.

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"An Assessment of Flexural Improvement of Light Weight Concrete via Hybrid Fibres along with Sisal Fibres in Addition to Banana Fibres." In Recent Advancements in Geotechnical Engineering. Materials Research Forum LLC, 2021. http://dx.doi.org/10.21741/9781644901618-10.

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Abstract: Innate fibres, these days have become the topic of argument in the research field between different scientists to inculcate it in the formation of lightweight concrete mixture. This is due to a variety of rewards connected with natural fibres like recyclable, economical, availability in large quantity and its bio-degradability. Plenty of projects have been carried out in the production of natural fibre reinforced lightweight concrete. In this project, we would like to take the naturally existing fibre named sisal fibre and banana fibre as partial replacement material. The adding of natural fibre to the lightweight concrete will enhance the diverse strength parameters like flexural strength, compressive strength, and increase the ductile behaviour. In the current work, it is intended to explore the mechanical properties of lightweight concrete with substitution of sisal fibre and banana fibre for cement in different percentages. The compressive strength, flexural strength, deflection of the beam is calculated with the reflection of M30 concrete specimens. Totally 45 number of 500 x 100 x 100mm flexural member, 45 numbers of cubes and 45 numbers of cylinders are cast and tested. It is suggested that up to 1.5% substitution of sisal fibres and banana fibre with cement provide at M30 grade of concrete giveing the most beneficial increases of strength values. The assessment outcome indicated that the sisal fibres and banana fibre were efficient in improving the performance of lightweight concrete

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Mehrbod, Mehrdad, and Mohammad R. K. Mofrad. "On the Mechanics of Microtubule Filaments." In ASME 2011 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2011. http://dx.doi.org/10.1115/sbc2011-53896.

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Quantitative understanding of cell mechanics has challenged biological scientists during the past couple of decades. one of the promising attempts towards mechanical modeling of the cytoskeleton has been the “tensegrity” cytoskeletal model, which simplifies the complex network of cytoskeletal filaments as a structure merely composed of compression-bearing elements (hinge-ended struts) and tensile members (cables). This discrete model can interestingly explain many experimental observations in cell mechanics. However, evidence suggests that the simplicity of this model may undermine the accuracy of its predictions [1–2]. Continuum mechanics predicts that a free, simply-supported beam tends to buckle in the first mode of buckling and that is the case for an in vitro loading of a single microtubule. However, in vivo imaging of microtubules indicates that the buckling mostly occurs in higher modes. This buckling mode switch takes place mostly because of lateral support of microtubules via their connections to actin and intermediate filaments, which themselves are tensile members of the tensegrity cytoskeleton model. Since these loads are exerted throughout the microtubule length, they introduce a considerable amount of microtubule bending behavior. The objective of this paper is to explore the influence of this flexural behavior on the accuracy of the tensegrity model, given the model’s underlying assumption that “every single member bears solely either tensile or compressive behavior”.

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Reports on the topic "Flexural member"

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Hebdon, Matthew H., Cem Korkmaz, and Francisco J. Bonachera Martín. Member-Level Redundancy of Built-Up Steel Girders Subjected to Flexure. Purdue University, 2018. http://dx.doi.org/10.5703/1288284316728.

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