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28篇 您的检索式:作者名="AMIR Fam"
    题名 作者 年代 出处 被引量
1PBL加劲型矩形钢管混凝土受拉节点热点应力集中系数计算方法显示文摘考虑了PBL加劲型矩形钢管混凝土支管受拉节点支主管宽度比与厚度比和主管宽厚比,建立了热点应力集中系数有限元模型,计算了支主管节点热点应力集中系数;基于最小二乘法对计算结果进行拟合,给出不同几何参数下节点热点应力集中系数计算公式,对比了矩形钢管节点和PBL加劲型矩形钢管混凝土节点应力集中系数和荷载幅。计算结果表明:采用有限元模型计算的热点应力集中系数曲线与静力试验曲线基本一致,支主管交汇处各位置热点应力集中系数有限元计算结果与CIDECT规范公式计算结果平均比值分别为1.006、1.007、1.013、1.015和0.987,两者差值小于15%,因此,有限元模型可靠;PBL加劲型矩形钢管混凝土支管受拉节点热点应力集中系数变化规律基本一致,随支主管宽度比呈抛物线变化,在0.6~0.8之间达到最大值,随主管宽厚比和支主管厚度比增大而增大,与CIDECT规范中矩形钢管节点计算结果一致;拟合得到的PBL加劲型矩形钢管混凝土节点热点应力集中系数公式计算结果与有限元计算结果的平均比值为1.011,均方差为0.222,变异系数为0.219,说明了拟合公式准确;采用应力集中系数计算公式,将PBL加劲型矩形钢管混凝土节点与矩形钢管节点进行对比,PBL加劲型矩形钢管混凝土节点支管热点应力集中系数下降了68%以上,主管热点应力集中系数下降了61%以上,在2.0×106循环次数作用下,容许荷载幅提高到3倍以上。刘永健 姜磊 熊治华 张国靖 FAM Amir 2017交通运输工程学报2017,17,5:10
2Large scale testing and analysis of hybrid concrete/composite tubes for circular beam-column applications显示文摘Amir Fam Sami Rizkalla 2003Construction and Building Materials2003,,6:2
3Finite element modeling of hollow and concrete-filled fiber composite tubes in flexure: Optimization of partial filling and a design method for poles显示文摘Amir Fam Je-Kuk Son 2008Engineering Structures2008,,10:1
4FRP tubes filled with concrete and subjected to axial loads, bending and combined loads显示文摘Amir Fam Bart Flisak and Sami Rizkalla 2001FRP Composites in Civil Engineering2001,,:1
5Confinement model for axially loaded concrete confined by circular FRP tubes 显示文摘Amir Z Fam Sami H Rizkalla 2001Structure Journal2001,98,4:1
6FRP confined concrete columns:Behaviour under extreme con- ditions 显示文摘Mark F Green Luke A Bisby Amir Z Fam 2006Cement & Concrete Composites2006,28,10:1
7Bonded FRP plates for strengthening rectangular hollow steel section T-joints against web buckling induced by transverse compression显示文摘Jose Aguilera Amir Fam 2012Journal of Composites for Construction2012,17,4:1
8Retrofitting tubular steel T-joints subjected to axial compression in chord and brace members using bonded FRP plates or through-wall steel bolts显示文摘Jose Aguilera Amir Fam 2013Engineering Structures2013,48,:1
9Confinement model for axially loaded concrete confined by circular fiber reinforced polymer tubes显示文摘 2001ACI Structural Journal2001,98,4:1
10Slender Steel Columns Strengthened Using High-Modulus CFRP Plates for Buckling Control 显示文摘Shaat Amr Fam Amir Z ASCE M 2009Journal of Composites for Construction2009,13,1:1
11Behavior of axially loaded concrete-filled circular fiber reinforced polymer tubes显示文摘 2001ACI Structural Journal2001,98,3:1
12Fiber-Element Model for Slender HSS Columns Retrofitted with Bonded High-Modulus Composites 显示文摘Shaat Amr Fam Amir ASCE M 2007Journal of Structural Engineering2007,133,1:1
13Concrete-filled steel tubes subjected to axial compression and lateral cyclic loads 显示文摘Amir Fam Frank S Qie Sami Rizkalla 2004Journal of Structural Engineering2004,130,4:1
14Behavior of axially loaded concrete-filled circular fiber-reinforced polymer tubes 显示文摘AMIR Z FAM SAMI H RIZKALLA 2001ACI Structural Jourual2001,98,3:1
15Behavior of Axially LoadedConcrete- Filled Circular Fiber-Reinforced Pollymer Tubes 显示文摘Fam Amir Z Rizkalla Sami H 2001ACI Structural Journal2001,98,3:1
16Finite element modeling of hollow and concrete-filled fiber composite tubes in flexure: Optimization of partial filling and a design method for poles 显示文摘Amir Fam Je-Kuk Son 2008EngineeringStructures2008,,30:1
17A rational ap- proach towards strain efficiency factor of fiberein forced polymer-wrapped concrete columns 显示文摘PEDRAM Sadeghian AMIR Fam 2014ACI Structural Journal2014,111,1:1
18Investigation of Various GFRP Shear Connectors for Insulated Precast Concrete Sandwich Wall Panels显示文摘Greg Woltman Douglas Tomlinson Amir Fam 2013Journal of Composites for Construction2013,,5:1
19Experimental Investigation of Precast Concrete Insulated Sandwich Panels with Glass Fiber-Reinforced Polymer Shear Connectors显示文摘Tomlinson Douglas Fam Amir 2014ACI Structural Journal2014,,3:1
20Finite element modeling of hollow and concrete-filled fiber composite tubes in flexure: Optimization of partial filling and a design method for poles 显示文摘Amir Fam Je-Kuk Son 2008Engineering Structures2008,,30:1
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