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  • 1
    Electronic Resource
    Electronic Resource
    Development of Hybrid FRP-Concrete Composite Compression Members (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Advanced materials research Vol. 26-28 (Oct. 2007), p. 329-332 
    Details
    ISSN: 1662-8985
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: The concrete-filled steel tubes have been widely used in buildings and civil structures.However the corrosion of the steel tubes results in the loss of load carrying capacities of the membersand, therefore, there is a need for regular maintenance. To mitigate such maintenance issues andprevent the loss of load carrying capacity, FRP composite were suggested as the candidate material. Anumber of research works has shown that the use of FRP tubes produced by filament windingtechnique was very effective on the improvement of compressive strength of the concrete-filled FRPtubes (CFFT). However the filament wound FRP tubes did mot contribute to the increase of theflexural strength of a CFFT. In this paper, a new type of FRP tube which consists of several pultrudedopen sections assembled by filament winding technique is proposed to improve compressive strengthas well as flexural strength of a CFFT. The load carrying capacity of proposed CFFT is discussedthrough the analytical investigation
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/39/transtech_doi~10.4028%252Fwww.scientific.net%252FAMR.26-28.329.pdf
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  • 2
    Electronic Resource
    Electronic Resource
    A Study on the Design Curves for Pultruded Composite Columns (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Advanced materials research Vol. 26-28 (Oct. 2007), p. 337-340 
    Details
    ISSN: 1662-8985
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: The strengths of PFRP thin-walled columns are determined according to the modes ofbuckling which consist of local mode for short columns, global mode for long columns, andinteraction mode between local and global modes for intermediate columns. Unlike the local andglobal buckling, the buckling strength of interaction mode is not theoretically predictable. Refinedtheoretical approaches which can account for different elastic properties of each plate componentconsisting of a PFRP thin-walled member are used. Based on both the analytical buckling loads andthe experimentally measured buckling loads from literatures, the accuracies of Ylinen’s equation andmodified AISC/LRFD column design equation for isotropic steel columns were compared. From thecomparison, it was found that the modified AISC/LRFD column design equation is more suitable forthe prediction of the buckling loads of PFRP thin-walled members than Ylinen’s equations
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/39/transtech_doi~10.4028%252Fwww.scientific.net%252FAMR.26-28.337.pdf
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  • 3
    Electronic Resource
    Electronic Resource
    Structural Behavior of Polymer Mortar GFRP Composite Pipe (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Advanced materials research Vol. 26-28 (Oct. 2007), p. 341-344 
    Details
    ISSN: 1662-8985
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: This paper presents the results of experimental and analytical investigations on thebehavior of GFRP pipes used in the water supply pipeline systems. The pipes consist of two filamentwound outer GFRP tubes and polymer mortar between the tubes. Parallel plate loading tests wereconducted and the test results were compared with predicted results. The load-deflection predictionwas conducted by the FE analysis and the conventional strength of materials approach. It was shownthat the results obtained by the experiment and analysis were agreed well
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/39/transtech_doi~10.4028%252Fwww.scientific.net%252FAMR.26-28.341.pdf
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  • 4
    Electronic Resource
    Electronic Resource
    The Effect of a Longitudinal Stiffener on the Elastic Shear Buckling of Orthotropic Web Plate (2000)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 183-187 (Apr. 2000), p. 517-522 
    Details
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/45/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.183-187.517.pdf
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  • 5
    Electronic Resource
    Electronic Resource
    Elastic Buckling Strength of Restrained Orthotropic Web Plates (2004)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 261-263 (Apr. 2004), p. 615-620 
    Details
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: In this paper, the buckling behavior of elastically restrained orthotropic web plates isinvestigated. In general, the pultruded FRP structural member is composed of flat plate elements and each plate element is elastically restrained against rotation by adjacent plate components. For finding the local buckling strength of composite flexural member considering the elastic restraint at the juncture of plate components, the orthotropic web plate is modeled as an elastically restrained orthotropic plate under linearly distributed in-plane forces. For the derivation of buckling equation,the power series solution technique is employed. For the plate having different mechanical properties, the parametric studies are conducted by varying the degree of restraint along the longitudinal edge under compression. By using the results obtained, simplified form of equation is also developed so that the practicing engineers can evaluate the buckling stress of such a plate for the preliminary design of FRP flexural members
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/47/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.261-263.615.pdf
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  • 6
    Electronic Resource
    Electronic Resource
    Elastic Web Buckling Strength of Pultruded Flexural Members (2004)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 261-263 (Apr. 2004), p. 621-626 
    Details
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: This paper presents the analytical investigations pertaining to the elastic buckling behavior of orthotropic composite plates. By the pultrusion process the structural shapes composed of orthotropic plate components are readily available in the construction market. When the member is utilized for the flexure, lateral-torsional buckling and local buckling behaviors must be taken into consideration. In the local buckling analysis, flange and web local buckling analyses must be conducted in the design of such a member. For finding the web buckling strength, the bucklingequation for the orthotropic plate under linearly distributed in-plane forces is derived by using the Rayleigh-Ritz method. The boundary conditions of plate are assumed that the loaded edges are simply supported and the unloaded edges are simply supported or fixedly supported. The buckling coefficient of a plate having different orthogonal mechanical properties is found by using the numerical technique and the minimum buckling coefficient is suggested. In addition, simplified form of equation for predicting the minimum buckling coefficient for the plate is proposed. Brief discussion on the design criteria relating to the web local buckling is also provided
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/47/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.261-263.621.pdf
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  • 7
    Electronic Resource
    Electronic Resource
    Elastic Restraint between the Plate Components of FRP Compression Members (2000)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 183-187 (Apr. 2000), p. 1135-1140 
    Details
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/45/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.183-187.1135.pdf
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  • 8
    Electronic Resource
    Electronic Resource
    Elastic Local Buckling of Transversely Isotropic Thin-Walled Compression Members with Varying Thickness (2004)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 261-263 (Apr. 2004), p. 627-632 
    Details
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: The problem addressed in this paper is the elastic local buckling of thin-walled compression members whose plate components are tapered in thickness along the longitudinal direction. In the design of structural system in construction, shipbuilding, and aerospace industries, such structural plate components are frequently encountered. The elastic buckling analysis of transversely isotropic plates with varying thickness and various boundary conditions is performed to derive the buckling equation of thin-walled members composed of tapered plate components. In the analytical solution, the energy approach is adopted. The analytical results are presented in a graphical form in which the plate buckling coefficients are suggested with respect to the width ratio of plate elements and the degree of taper. In addition, using the buckling equations of plates with specific boundary conditions, the simplified form of equation for the local buckling coefficient of structural memberssuch as L-section, T-section, and Box-section is suggested
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/47/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.261-263.627.pdf
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  • 9
    Electronic Resource
    Electronic Resource
    Buckling of Composite Thin-Walled Members (2006)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 326-328 (Dec. 2006), p. 1733-1736 
    Details
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: The use of pultruded fiber reinforced polymeric (FRP) members in civil engineeringapplications can greatly reduce construction time and maintenance cost of structures, becausepultruded members have high specific strength and excellent corrosion resistance compared to steeland concrete. Pultruded members for civil engineering application are mostly made of a polymericresin system reinforced with E-glass fibers and, as a result, they have low elastic moduli. Therefore,stability is an important issue in the design of pultruded members. In this paper, the results of anexperimental investigation into the global buckling behavior of pultruded thin-walled memberssubjected to axial compression are presented. The analytical solutions are validated through acomparison with the results of FE analysis as well as the experimental results
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/52/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.326-328.1733.pdf
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  • 10
    Electronic Resource
    Electronic Resource
    Evaluation of Load Carrying Capacity of the Perforated Shear Connector with Flange Heads (2006)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 326-328 (Dec. 2006), p. 1811-1816 
    Details
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: In the construction of composite bridge structures, various types of shear connectors areusually used to provide an efficient load transfer and the composite action of two or more differentmaterials. In the previous work conducted by authors, a new type of the shear connector wasintroduced, which is the perforated shear connector with flange heads (T-shaped perforated shearconnector), and the structural behavior of the shear connector was discussed based on the results ofpush-out tests. For the practical design of new shear connector, it is necessary to develop theequation for the prediction of the load carrying capacity of the shear connector. In this study, theexisting design equations for the Perfobond shear connector were briefly analyzed and the equationfor the prediction of the shear capacity of T-shaped perforated shear connector was suggestedempirically. By comparing the results obtained by the suggested equation, the existing equations forthe Perfobond shear connector, and the experiment, the applicability and effectiveness of thesuggested equation was estimated
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/52/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.326-328.1811.pdf
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