National Kaohsiung First University of Science and Technology

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    18584 research outputs found

    Structural behavior of restrained steel beams in fire

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    [[abstract]]本研究針對同時承受軸力與彎矩之H型鋼進行研究,並利用高溫載重試驗以及有限元素分析方法,探討溫度、軸力、彎矩等參數對同時承受軸力與彎矩之H型鋼在高溫結構行為之影響。研究結果發現,軸力與彎矩加載順序對桿件破壞模式、極限強度之影響不顯著。高溫下,鋼梁產生最大熱反力之溫度隨著鋼梁既有彎矩之增加而降低;相同彎矩作用下,溫度對鋼梁所產生之束制熱反力之大小並無顯著差異。由數值模擬與Eurocode3高溫設計規範比較之結果發現,Eurocode3高溫設計規範所預估之撓曲強度甚為保守,將進而使梁-柱桿件設計強度偏保守;且在不同溫度下Eurocode3高溫設計規範之軸力與彎矩互制曲線曲線形狀受溫度變化之影響甚微,表示溫度對二次效應之影響亦不顯著。本研究所得結果僅限常溫下彎矩強度可達塑性彎矩強度MP之鋼梁。[[abstract]]ThisresearchpresentsastudyofbehaviorofsteelH-sectionsincombinedwiththecompressionandmajoraxisbending.Inthisstudy,theeffectsoftemperature,axialforce,andmomentontheperformanceofsteelH-sectionsbeam-columnsareexaminedbyexperimentandfiniteelementmethod.Itisfoundthattheeffectofloadingsegmentisinsignificanttothefailuremodeandthestrengthofsteelbeamunderthecombinedeffectofaxialforceandbendingmoment.Thethermalreactiondecreaseswiththeincreasedbendingmomentappliedonsteelbeam.Underthesamemagnitudeofbendingmoment,theeffectoftemperaturelevelhaslimitedeffectonthemagnitudeofthethermalreaction.TheflexuralstrengthgivenbyEurocode3isconservative,comparedtotheresultsfromthenumericalanalysis.ThisleadtoaconservativepredictionwhenapplyingtoEurocode3predictsthestrengthofsteelbeam-columninfire.TheinfluenceoftemperatureisinsignificantontheshapeofP-Mcurves.Theresultsobtainedinthisstudyareappliedonlyforsteelbeamwithintheplasticmomentrange

    A Study of Product Recognition and Using Intention of the Third Party Payment Service from the Viewpoint of Users

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    [[abstract]]紙本論文延後公開至2022年06月27日止[[abstract]]紙本論文延後公開至2022年06月27日

    The Impact of Non-Profit Organization Expenditure Behavior on Organizational Main Revenue: Analysis of Accounting Information

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    [[abstract]]紙本論文延後公開至2022年06月16日止[[abstract]]紙本論文延後公開至2022年06月16日

    Accrued Quality of Accounting Earnings and Management Incentive Contracting : Taking Listed Firms in Taiwan for Instance

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    [[abstract]]紙本論文延後公開至2022年12月31日止[[abstract]]紙本論文延後公開至2022年12月31日

    The Impact of D&O Insurance on Short-Termism of Firms

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    [[abstract]]紙本論文延後公開至2023年1月31日止[[abstract]]紙本論文延後公開至2023年1月31日

    The Novel Tactile Mobile Devices Design Combined with Optical Sensing Components for the Visually Impaired

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    [[abstract]]紙本論文延後公開至2022年08月16日止[[abstract]]紙本論文延後公開至2022年08月16日

    A Study on the Fabrication of SnO2 Nanoparticles/Graphene Anode Material of Lithium-ion Battery Deposited by Magnetron Sputtering Method

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    [[abstract]]紙本論文延後公開至2022年08月31日止[[abstract]]紙本論文延後公開至2022年08月31日

    The Impact of Audit Committee Characteristics on Audit Adjustments of Pre-audited Sales

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    [[abstract]]紙本論文延後公開至2022年12月20日止[[abstract]]紙本論文延後公開至2022年12月20日

    Based on Online Map for Real-time 3D Terrains and Buildings Rendering with Flight Vehicle Simulation System

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    [[abstract]]紙本論文延後公開至2022年08月16日止[[abstract]]紙本論文延後公開至2022年08月16日

    The Interaction Haptics Technique of Virtual-Objects on Ambulatory Augmented Reality Environment

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    [[abstract]]紙本論文延後公開至2022年08月31日止[[abstract]]紙本論文延後公開至2022年08月31日

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