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组合薄壳
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  composite shell
     Recent Research on Steel-Concrete Composite Shell Roofs:Buckling Experiments on the Steel Base Shell during Construction
     钢-混凝土组合薄壳屋盖的研究进展——施工阶段钢底壳的模型试验研究
短句来源
     Experimental research on steel-concrete composite shell roofs
     大跨度钢-混凝土组合薄壳屋盖模型试验研究
短句来源
     In this paper ,based on finite element method, the possibility of modeling the discrete connections between composite shell units by springs was investigated, then considering the nonlinear properties of concrete, steel plate and bolts, author derived the element stiffness matrix and whole stiffness matrix using plane element, and established the equilibrium equation between nodal displacement and nodal load of the structure, which are convenient to write the program for the shell.
     本文基于有限元方法,对组合薄壳单元块之间螺栓连接采用离散弹簧单元进行了模拟,然后采用四边形平板单元,考虑混凝土、钢板及螺栓连接的非线性行为,推导了用于组合薄壳分析的单元刚度和整体刚度矩阵,建立了整体结构结点位移和结点荷载之间的基本方程式。
短句来源
     At last, making use of the universal 3D nonlinear finite element software------ANSYS, choosing proper element and parameters, author set up a finite element model and made full numerical simulation for the composite shell.
     最后,采用ANSYS三维有限元非线性分析程序,通过对混凝土和钢板分别选取不同的单元及相应参数,建立组合薄壳的有限元分析模型,对其进行了全过程数值模拟。
短句来源
     Steel-concrete composite shell roofs (Comshell roofs) are formed by pouring concrete on a thin stiffened steel base shell which serves as both the permanent formwork and the tensile steel reinforcement.
     钢-混凝土组合薄壳屋盖(Comshell屋盖体系)由兼作永久模板并替代钢筋的薄壁加劲钢底壳和现浇混凝土两部份组成。
短句来源
  “组合薄壳”译为未确定词的双语例句
     Measure Buckling Mode of Sectioned Thin Shell by Optical Method of Profilometry Measurement
     形状测量的光学方法应用于组合薄壳的屈曲模态测量
短句来源
     The Experimental Research and FE Analysis on Steel-Concrete Composite Shells for Enclosing Large Spaces
     大跨度钢混凝土组合薄壳屋盖试验研究与有限元分析
短句来源
     Steel-concrete composite shells, for enclosing large spaces, may be a progress in development of concrete shell structures.
     大跨度钢—混凝土组合薄壳是混凝土薄壳屋盖结构的一个最新发展。
短句来源
     The analysis results indicate: if making proper
     结果表明,在一定假设前提下,利用已有的有限元程序来分析组合薄壳屋盖,仍可获得足够的精度。
短句来源
  相似匹配句对
     rock associations;
     岩石组合 ;
短句来源
     Smith assmblagy.
     Smith组合
短句来源
     THE INTERNAL FORCES AND DEFLECTION OF A SIMPLY SUPPORTED HIP TRUNCATED COMBINED PARABOLICAL CYLINDER ROOF
     简支平顶组合抛物面薄壳屋盖的内力和挠度
短句来源
     LINEAR AND NONLINEAR ANALYSIS OF SIMPLY SUPPORTED COMPOSITE PARABOLOID SHELL ROOF
     简支组合抛物面薄壳屋盖的线性及非线性分析
短句来源
     Thin Shell Vibrations in Low Frequency
     薄壳的低频振动
短句来源
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  composite shell
We describe a numerical integral-projection method used by the authors for the approximate solution of systems of interrelated two-dimensional linear boundary-value problems in mechanics of composite shell systems.
      
Analysis and calculation of the nonlinear stability of the rotational composite shell
      
By adopting the energy method, a new method to calculate the stability of the composite shell of revolution is presented.
      
An Exact Analysis for Free Vibration of a Composite Shell Structure-Hermetic Capsule
      
An exact analytical solution was presented for free vibration of composite shell structure-hermetic capsule.
      
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The buckling mode is studied by photomechanical measurement in which shadow moire interfer-ometry and profilometry are employed by a shor cylindrical sectioned thin shell. The digital images relation of contour line that can be readily processed to surface shape of the object, namely buckling mode. The bucking experiments of the model shells are well done, and some constructive achievements are obtained.

本文应用影像云纹法、频率编码法对短圆柱组合薄壳的屈曲现象进行了研究,给出数字化的初始曲面和屈曲模态图象,将现代光力学法用于快堆主容器结构稳定性模拟体分析实验研究,取得较好的实验结果。本项目的研究成果,为我国制定快堆主结构的安全性评估提供科学依据。

Steel-concrete composite shell roofs (Comshell roofs) are formed by pouring concrete on a thin stiffened steel base shell which serves as both the permanent formwork and the tensile steel reinforcement. The thin steel base shell, constructed by bolting together open-topped modular units consisting of a base plate with surrounding edge plates, is a steel shell with thin stiffeners in both directions. The new system retains all the benefits of thin concrete shells, but eliminates the need for temporary formwork...

Steel-concrete composite shell roofs (Comshell roofs) are formed by pouring concrete on a thin stiffened steel base shell which serves as both the permanent formwork and the tensile steel reinforcement. The thin steel base shell, constructed by bolting together open-topped modular units consisting of a base plate with surrounding edge plates, is a steel shell with thin stiffeners in both directions. The new system retains all the benefits of thin concrete shells, but eliminates the need for temporary formwork and minimises the required falsework. In this paper, the structural features and possible failure modes of this new structural system are first outlined. The results of a series of buckling experiments on model steel base shells under simulated wet concrete loading during construction are then presented.

钢-混凝土组合薄壳屋盖(Comshell屋盖体系)由兼作永久模板并替代钢筋的薄壁加劲钢底壳和现浇混凝土两部份组成。薄壁钢底壳由模块化单元件通过螺栓连接而成,单元件呈无盖扁盒状,由底板及周边板组成,其周边板在钢壳上构成两个方向的薄壁加劲板。这一新体系保留了混凝土薄壳屋盖的所有优点,又不需要使用临时模板,并大幅减少临时支撑。本文对这种新型结构体系及其各种可能的破坏模式进行了简单介绍,并给出了针对该结构体系施工阶段稳定性所进行模型试验的主要结果。

A model test on a new structural system,namely the steel-concrete composite shell was carried out.The nonlinear behavior and ultimate load-carrying capacity of the structure under four-point loads were obtained,including the form and development of cracks,failure of bolted connections and buckling behavior of the steel base plate.The experimental results indicate that the stiffness discontinuity due to the presence of bolted connections reduce the load capacity of the shell.The experimental results presented...

A model test on a new structural system,namely the steel-concrete composite shell was carried out.The nonlinear behavior and ultimate load-carrying capacity of the structure under four-point loads were obtained,including the form and development of cracks,failure of bolted connections and buckling behavior of the steel base plate.The experimental results indicate that the stiffness discontinuity due to the presence of bolted connections reduce the load capacity of the shell.The experimental results presented in this paper also provide useful reference for further nonlinear FEM analysis of the structure.

本文对一种新型的结构形式——钢-混凝土组合薄壳进行缩尺破坏试验,得出该结构在多点集中荷载作用下的非线性特征以及承载性能,对裂缝的出现与开展、单元连接螺栓处失效以及底板屈曲行为作了详细的观察分析.试验结果表明,由于螺栓节点的存在,导致壳体内部刚度的不连续,从而减弱了组合壳的整体性能.本文实验结果为后续对该结构的非线性有限元分析提供了可靠依据.

 
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