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   拉拔试件 在 建筑科学与工程 分类中 的翻译结果: 查询用时:0.113秒
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拉拔试件    
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  pullout specimens
    4. The pullout specimens of round steel bar, deformed steel bar and helical rib steel wire are tested under repeated loadings. The differences of bond failure between 3 various surface configurations of prestressed reinforcements and concrete are compared. The relationships between characteristic loads and maximum values of stress levels are obtained under constant amplitude repeated loading.
    4.通过光圆钢棒、异形钢棒和螺旋肋钢丝拉拔试件在重复荷载作用下的拔出试验,比较了3种不同外形高强预应力钢筋的粘结破坏特性的差异,并给出了3种高强预应力钢筋在等幅重复荷载作用下的特征荷载值与应力水平上限的关系式。
短句来源
    In order to investigate the bond properties of FRP rebars to concrete,eighteen pullout specimens with the dimension of 1 200 mm×760 mm×400 mm and sixty four beam specimens of 1 260 mm×240 mm×150 mm were cast and tested. The extensive experimental results were obtained.
    通过 18根 12 0 0mm× 760mm× 40 0mm的混凝土拉拔试件和 64根 12 60mm× 2 40mm× 15 0mm的混凝土梁式试件的试验 ,研究了纤维聚合物筋与混凝土的粘结性能 ,获得了大量的试验结果。
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  pull-out specimen
By fitting experimental curves with theoretical ones, these parameters can be determined for each separate pull-out specimen.
      
Residual thermal stresses in the pull-out specimen: A finite element calculation
      
The residual thermal stress field in the pull-out specimen is calculated in the case of a high properties thermoset system (carbon-bismaleimide).
      
Fracture mechanics finite element analysis of debonding crack extension for a single fibre pull-out specimen
      
On analytical approaches to the three-dimensional stress state in a single fibre pull-out specimen
      
  pullout specimens
Based on the Canadian Standards Association (CSA) criteria, 105 pullout specimens were tested to investigate the effect of different rib geometries on bond strength of glass fiber reinforced polymer (GFRP) rebars embedded in concrete.
      
Pullout specimens can give approximate failure load results for selected bond lengths.
      
  其他


in this paper, the bond-anchorage properties of deformed bars in concrete have been studied on the basis of the pull-out test of 144 specimens. By way of experimental statistical regression and comprehensive analysis, the calculating formula of bond-anchoring strength has been established. The design of anchoring length has been proposed through the reliability analysis. This may serve as a reference for revising the L.C. Structure Design Code and be used in engineering practice.

本文根据144个拉拔试件的试验结果,探讨了变形钢筋与陶粒混凝土的粘结锚固性能,在综合分析的基础上,通过试验统计回归建立了南粒混凝土粘结强度的计算公式,并通过可靠度分析给出了钢筋的设计锚固长度,可供修订《轻骨料混凝土结构设计规程》和工程设计时参考。

Based on the test data of 60 pull-out speciments and 4 big post-tension PPCT shape beams,the authors in this paper study the bond-anchorage properties of the strand and strand bundle as well as the distribution patttern of the beam crack, and put forward the proposed value of the minimum steel content in PPC beam.The studies point out that the crack calculatoin formula in the present code is not suitable to the partial PPC members with the prestressed steel reinforcement of the strand bundle. This might be used...

Based on the test data of 60 pull-out speciments and 4 big post-tension PPCT shape beams,the authors in this paper study the bond-anchorage properties of the strand and strand bundle as well as the distribution patttern of the beam crack, and put forward the proposed value of the minimum steel content in PPC beam.The studies point out that the crack calculatoin formula in the present code is not suitable to the partial PPC members with the prestressed steel reinforcement of the strand bundle. This might be used as a refrence for revising the present code.

本文通过60个拉拔试件和4根大型后张预应力混凝土T形梁的试验研究,探讨了钢绞线(束)粘结锚固性能及梁的裂缝分布的规律性;提出了PPC梁中普通钢筋最小含量的建议值;指出了现行规范裂缝宽度计算公式对用钢绞线(束)作预应力筋的部分预应力混凝土构件是不适用的.为规范修订提供了试验依据。

The bond properties of deformed bars in pumice concrete are studied in this paeper. A characteristic bond-slip(l-s)relationship is derived from the force-slip(P-S) curves of 56 pull-out specimens, and the experimental formulas are established to predict the characteristic anchorage- bond strength, which accounts for each anchorage situation.

对浮石混凝土与变形钢筋粘结锚固性能进行试验研究。结合56个拉拔试件的荷载-滑移(P-S)曲线的分析,提出了特征粘结-滑移(τ-s)模式,统计回归出反映各种锚固条件的特征粘结强度公式。

 
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