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vertical compress stress
相关语句
  相似匹配句对
     On vertical metaphors
     垂直性空间隐喻初探
短句来源
     vertical hemilaryngectomy;
     喉垂直部分切除术;
短句来源
     Deconvolution is a principal technique to compress seismic wavelet for the enhancement of vertical resolution.
     反褶积是通过压缩地震子波以提高地震数据纵向(时间)分辨率的过程。
短句来源
     Digital Video Compress
     谈数字视频压缩
短句来源
     Analysis on the compress of investigation
     侦查谦抑性论纲
短句来源
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Compressed stress by vertical prestressing tendons within the web of box beam has much to do with the web's principal tensile stress and cracking problem.In current Chinese specification,however,the calculation of such compressed stress does not consider the prestressing diffusion phenomena.Based on the analytical solution of elasticity theory,this paper discusses the calculation method for the vertical compressed stress considering the prestress diffusion.The formulae...

Compressed stress by vertical prestressing tendons within the web of box beam has much to do with the web's principal tensile stress and cracking problem.In current Chinese specification,however,the calculation of such compressed stress does not consider the prestressing diffusion phenomena.Based on the analytical solution of elasticity theory,this paper discusses the calculation method for the vertical compressed stress considering the prestress diffusion.The formulae for the rational distance between vertical tendons and for stress diffusion angle are suggested in the end.

竖向预应力筋对箱梁腹板产生的竖向压应力计算,关系到腹板主拉应力计算和抗裂问题,现行桥梁设计规范有关预压应力的计算公式没有考虑预应力在锚下的扩散。本文从弹性理论的解析解出发,讨论竖向预应力下考虑应力扩散的箱梁腹板压应力计算问题,最后给出竖向预应力筋合理间距和扩散角的计算公式。

The structural behavior of steel reinforced concrete(SRC) transfer beam and upper shear wall in cooperation is studied with the elastic mechanics method and the nonlinear finite element method.The results show that the beam can be an eccentric tension member,meanwhile the performance of shear wall must be considered.Results also show that at the end of the transfer beam and the shear wall,special consideration must be given to the shear stress and vertical compressed stress,and the interaction between...

The structural behavior of steel reinforced concrete(SRC) transfer beam and upper shear wall in cooperation is studied with the elastic mechanics method and the nonlinear finite element method.The results show that the beam can be an eccentric tension member,meanwhile the performance of shear wall must be considered.Results also show that at the end of the transfer beam and the shear wall,special consideration must be given to the shear stress and vertical compressed stress,and the interaction between them.

利用解析方法分析钢骨混凝土转换梁与上部剪力墙共同作用的受力特点和变形规律,得出这种结构的应力分布解析解,并与某工程的非线性有限元计算数据进行比较,结果是吻合的。转换梁应作为偏心受拉构件,同时要考虑剪力墙参与工作部分。在剪力墙和转换梁端部应着重考虑剪力与竖向压应力,并考虑二者共同作用。

This paper presents the mechanical response analysis of asphalt pavement in different interface condition between layers.With the aid of slipping coefficient,the interface conditions were imitated from full friction to completely slipping.The result of the asphalt pavement mechanical response shows that the growth of deflection value and the shear stress is close to 20 percent and the press state grew into the tension state in the bottom of the surface course.The increase of the base course resilient modulus...

This paper presents the mechanical response analysis of asphalt pavement in different interface condition between layers.With the aid of slipping coefficient,the interface conditions were imitated from full friction to completely slipping.The result of the asphalt pavement mechanical response shows that the growth of deflection value and the shear stress is close to 20 percent and the press state grew into the tension state in the bottom of the surface course.The increase of the base course resilient modulus can effectively reduce tensile stress in surface layer bottom,but simultaneously causes overgrowth of the vertical compressed stress and the shear stress,which increase the appearance possibility of the wheel rutting.While in the design and construction of the asphalt pavement we should pay enough attention to the tacky coat,avoiding the appearance of the slipping between the layers.Meanwhile we should try to control the base course resilient modulus in reasonable scope 1?000~1?200?MPa.

目的为了定量研究层间滑移条件下沥青路面结构力学响应.方法通过定义滑移系数来准确模拟层间不同的连接状态,分析了同一沥青路面在优、中、差三种接触条件下力学响应的变化,以及分析在不同滑动条件下基层回弹模量变化对沥青路面受力的影响.结果层间连接条件由优良转差后,弯沉和最大剪应力增长了近20%、沥青层层底由受压状态变为受拉状态.基层回弹模量增加,均能有效减少沥青层层底拉应力,但同时导致沥青层内竖向压应力和剪应力过大增长,使出现车辙的概率增加.结论在沥青路面设计和施工时应做好黏结层,避免层间滑动的出现.同时将基层模量控制在合理的范围1 000~1 200 MPa内.

 
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