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加固梁     
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  reinforced beam
     In reference to the calculation method for rigidity of steel reinforced concrete beam in conformity to the structure design principles and taking intoconsideration of the constraint function of carbon fiber polymer, a formula for calculating the rigidity of reinforced beam Bs under combination of short-term load effect during service period is derived, and comparison and analysis are made to the test values and results of other calculation methods.
     参照结构设计原理中的钢筋混凝土梁刚度计算方法,考虑碳纤维布的约束作用,推导了使用阶段在短期荷载效应组合作用下加固梁刚度Bs的计算公式,并与试验值及其它计算方法进行了对比分析;
短句来源
     Systematically study on section-concrete composite reinforced beam, and give practical calculating methods on the calculation of its bearing section design, cutting strength and cutting connective;
     系统研究了型钢-混凝土组合加固梁,对其正截面设计、剪切强度及剪切连接件的计算给出了实用计算方法;
短句来源
     Through bending tests on reinforced beam and unreinforced beam by this paper, the influences of carbon fiber reinforcement on bending bearing capacity, rigidity, crack distribution, and steel bar strain of the beams are analyzed.
     本文通过碳纤维布加固钢筋混凝土梁与未加固梁的抗弯试验,分析了碳纤维布对加固梁的抗弯承载力、刚度、裂缝分布及钢筋应变等的影响;
短句来源
     This paper gives a method of calculating the optimum support rigidity of the reinforced beam and calculating the corresponding greatest bearing capacity.
     通过分析得出了被加固梁最佳支承刚度的计算方法,以及与其对应的最大承载力的计算方法.
短句来源
     In the thesis,first,using the method of analytics,a theoretical derivation is separately made for calculating the formulas of the interfacial shearing stress along CFRP sheet-concrete bond surface after release of the prestressed CFRP sheet ends in concrete beam strengthened by CFRP sheet prestressing technique and the reinforced beam under the function of distributing load,and then,superposing the two formulas and educing the general formula of the interfacial shearing stress in reinforced concrete beam with prestressed CFRP sheet.
     本文首先通过解析方法,分别推导出,张拉端预应力释放后界面剪应力的计算公式和均布荷载作用下CFRP布加固梁界面剪应力的计算公式; 然后,将二者叠加,得出计算预应力CFRP布加固混凝土梁界面剪应力的一般公式。
短句来源
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  beams strengthened
     1) Beams strengthened in the negative moment area can improve the ultimate capacity, which is the same as beams strengthened in the positive moment area.
     1)使用碳纤维布粘贴加固钢筋混凝土梁的负弯矩区同加固正弯矩梁一样,可以有效地提高梁的抗弯极限承载力,加固梁较未加固试件的承载力有了很大的提高;
短句来源
     Design algorithms in Specifications for Highway Bridges and Culverts(JTJ021-85) format as well as Code for Design of Concrete Structures (GB50010-2002) format are proposed to predict the capacity of available beams strengthened in flexure with CFRP.
     以《混凝土结构设计规范》(GB50010-2002)、《公路钢筋混凝土及预应力混凝土桥涵设计规范》(JTJ021-85)及其讨论稿为依据,提出了碳纤维布抗弯加固梁受弯承载力计算公式。
短句来源
     Design algorithms in Specifications for Highway Bridges and Culverts(JTJ021 -85) format as well as Code for Design of Concrete Structures (GB50010-2002) format are proposed to predict the capacity of available beams strengthened in flexure with CFRP.
     以《混凝土结构设计规范》(GB50010-2002)、《公桥钢筋混凝土及预应力混凝土桥涵设计规范》(JTJ021-85)及其讨论稿为依据,提出了碳纤维布抗弯加固梁受弯承载力计算公式。
短句来源
     Failure Analysis of a Bridge with Beams Strengthened by External Prestressing
     对一体外预应力加固梁桥失败的分析
短句来源
     The results showed that the long-term deformations of beams strengthened with CFRP laminates are less than the deformations of plain beams by 6%~16.5% .
     结果表明:CFRP布加固梁徐变比普通混凝土梁减少6%~16.5%,并且相同的长期荷载作用下,加固历程不同,其徐变变形也不同。
短句来源
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  strengthening beam
     Calculation Method and Construction Technique for Strengthening Beam with Wet Steel Enclosure
     湿式外包钢加固梁的计算方法与施工技术
短句来源
     Strengthening Beam Technology with CFRP Sheet
     碳纤维布加固梁技术
短句来源
     A Method to Getting Prestress Value while Strengthening Beam by Applying Stress to Broken-line-type Cable
     折线型配索施加预应力加固梁时预应力值的一种确定方法
短句来源
     Because elastic modulus of CFRP plate are weaker than elastic modulus of steel bar,while strengthening beam is destroyed,the deflection is still strong.
     由于CFRP板的弹性模量比钢筋的弹性模量小,加固梁破坏时的挠度仍较大.
短句来源
     Engineering Practice of Strengthening Beam with CFRP
     碳纤维布加固梁的工程实践
短句来源
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  strengthened beam
     The moment-curvature curve of the RC beam strengthened with CFRP was presumed the idealized three-segment line, under which the calculation method of stiffness of the strengthened beam was promoted here.
     将碳纤维布加固梁的弯矩 -曲率关系曲线理想化为三线型 ,提出了 CFRP加固梁的刚度计算方法。
短句来源
     The experimental results indicate that the flexural capacity and stiffness of the strengthened beam are evidently improved.
     试验结果表明,加固梁的承载力和刚度提高明显。
短句来源
     Two different kinds of failure patterns have been observed and the failure of strengthened beam is attributed to the principal stress at the end of steel plate.
     明确加固梁具有两种不同破坏模式,其破坏是由钢板端部的主应力大小决定的。
短句来源
     It is similar to the formula of the general concrete beam and helpful for the research on the strengthened beam in practice. 
     该公式类似于普通混凝土构件的短期刚度计算公式,对实际工程中该类型加固梁的研究有一定的参考意义.
短句来源
     At the base of the experimental research, this thesis sets forth the strengthening mechanism of the external-prestressed-cable-sharing-load strengthening method and the second bearing-load performance of strengthened beam, deduces the relation between stress increment of external prestressed cable and structure deformation and calculates internal force, deformation and crack width of strengthened beam.
     在试验分析的基础上,论文阐述了体外预应力悬索分载加固法的加固机理及加固后梁的二次受力特性,推导了体外预应力悬索应力增量与结构变形的关系式,并对加固梁的受力、变形和裂缝宽度进行了理论分析计算。
短句来源
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  reinforced beam
Performance of Steel-Free GFRP-Reinforced Beam-Column Joints
      
The two theoretical models are compared through the simulation of an experimental test on a fiber-reinforced beam, and it is shown that both the models can predict approximately the same overall behavior.
      
Optimum design of a reinforced beam under dynamic loading
      
Finite three-point bending of a fiber-reinforced beam with a step
      
A transformed section of a typical reinforced beam is shown in Figure 1.
      
更多          
  beams strengthened
Consumption of carbon fiber plates in the reinforced concrete beams strengthened with CFPs
      
Four-point bending flexural tests were conducted to one full-size reinforced concrete (RC) beam and three full-size RC beams strengthened with carbon fiber plates (CFPs).
      
Experimental study on fire protection methods of reinforced concrete beams strengthened with carbon fiber reinforced polymer
      
In this paper, two reinforced concrete (RC) beams strengthened with carbon fiber reinforced polymer (CFRP) and attached with thick-painted fire resistant coating were tested for fire resistance following the standard fire testing procedures.
      
Behavior of preloaded RC beams strengthened with CFRP laminates
      
更多          
  strengthening beam
The model of the strengthening beam on the bottom is considered to be a two-ends fixed beam.
      
  strengthened beam
The main failure mode of CFRP-strengthened beam is the intermediate crack-induced debonding of CFRP laminates, provided that the development length of CFRP laminates and shear capacity of the beam are sufficient.
      
An analytical method based on the nonlinear layered finite element method is used to simulate the load-deflection behavior of strengthened beam.
      
Parametric studies are then obtained using the developed model to investigate the effects of design variables on the overall flexural behavior of the strengthened beam.
      
The measured load versus strain curves for both the steel plate and the concrete of the strengthened beam were plotted.
      
As the beam approached the ultimate strength, the connections began to slip, resulting in a lower ultimate strength of the strengthened beam.
      
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