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矢跨     
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  rise-span
     The suspend-dome with span of 98m,rise of 9.3m and rise-span ratio 1/10 is adopted in Badminton Gym for 2008 Olympic Games.
     2008年奥运会羽毛球馆屋盖结构跨度93m,矢高9.3m,矢跨比1/10,经过多轮多层次优化采用了张弦穹顶结构。
短句来源
     The suspen-dome with span of 98m, rise of 9. 3m and rise-span ratio 1/10 is adopted in badminton stadium for 2008 Olympic Games.
     2008年奥运会羽毛球馆屋盖结构跨度93m,矢高9.3m,矢跨比1/10,经过多轮多层次优化,采用了张弦穹顶结构。
     (3) The common used rise-span ratios are 1/6-1/12. By the decrease of rise-span ratio, the internal forces are increasing linearly except of the moment of open spandrel beam.
     (3) 空腹式刚架拱桥的矢跨比一般为1/6~1/12,随着矢跨比的减小,除了空腹段加劲梁的弯矩值线性减小外,其余截面的内力值均为线性增大。 相对而言,矢跨比的变化对结构弯矩值的影响要比轴力值的影响大。
短句来源
     In this paper, four kinds of K8 single-layer spherical shells with spans of 40m and 50m, and rise-span ratios of 1/5 and 1/7 respectively are analyzed. The most unfavorable loads for the structures subjected to aforementioned loads are investigated, in which geometric non-linearity and material non-linearity are taken into account.
     本文以跨度40m、50m、矢跨比为1/5、1/7四种K8型单层球面网壳结构为例,同时考虑几何非线性与材料非线性,对网壳结构进行了简谐荷载、阶跃荷载及地震作用下的结构最不利荷载分析。
短句来源
     The fatigue damage of members were obtained, and fatigue regions of the structure were also found. Fatigue performance of single layer reticulated shells was related to the rise-span ratios, the average wind speeds and the structural vibration mode. It was shown the number of fatigue members increased gradually with the decrease of the rise-span ratio;
     并得到两种结构在随机风荷载作用下的疲劳主要与结构的矢跨比、平均风速及结构自振特性有关:结构中出现疲劳的杆件数随矢跨比的减小而逐渐增加,随着平均风速的增大而增加,杆件最大疲劳损伤度D随着矢跨比的减小而逐渐增大,随着平均风速的增大而增大。
短句来源
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  rise to span
     The experimental results of the two models of the brick house with arch floor whose rise to span ratio is 1/10 and 1/6 respectively are given in this paper, and then a mechanical model with clastic support for the whole model house is established, its displacement response is analyzed by using frequency response function method, a corresponding frequency response function is derived, and model stiffness parameter for different stages is discussed.
     本文给出了矢跨比分别为1/10和1/6的两幢二层砖拱楼盖房屋模型的振动台试验结果。 对整个模型房屋建立了弹性支承杆系力学模型,用频率响应法分析了模型的位移反应,导出了相应的频率响应函数,并对各阶段的模型刚度参数进行了讨论。
短句来源
     The ACSR with unequal altitude support is taken as the research object, whose span is 18m, 24m and 30m and ratio of rise to span is 0.20 and 0.25. The deformation and ultimate bearing capacity of these structures under the different vertical load have been analyzed, and compared with the ACSR of equal altitude support.
     选取18m、24m和30m三种跨度矢跨比分别为0.20和0.25的支座不等高波纹拱为研究对象,分析了在不同竖向荷载下结构的变形和极限承载力,并与等跨度支座等高波纹拱进行比较。
短句来源
     The best rise to span ratio for stability property was 1/6,at this ratio, the structure is insensitive to the slope angle of the structure bottom plate.
     矢跨比为1/6时的稳定性最好,对底面起坡不敏感,是作为封闭巨型结构大网格的子结构的最优矢跨比.
短句来源
     Through the studying data at home and abroad from material, ratio of rise to span, camber, shrinkage and creep of concrete as well as non-linear influence the paper summaries, analyzes the mechanics performance of this kind of structural systems.
     通过国内外研究资料,从材料,矢跨比、拱度、混凝土收缩徐变及非线性影响,总结分析此种结构体系的力学性能;
短句来源
     It indicated that changing ratio of rise to span and coefficient of arch axis affects the axial force and the bend moment of the top of the arch cross section of CFST tied arch bridge evidently,and has less effect to those of the 1/4 span cross section and the foot of the arch cross section.
     研究表明,钢管混凝土拱桥矢跨比和拱轴系数的变化对结构体系温差引起的拱顶截面轴力和弯矩的影响相当显著,而对1/4跨和拱脚各截面轴力和弯矩的影响则较小。
短句来源
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  high-span
     Through the contrast analysis of the arch carrying snow loading capacity under the different radius of curvature, some conclusions are summed up: Radius of curvature has much influence upon the carrying capacity for the ratio of high-span to double vault under the same snow load.
     本文通过不同曲率半径下拱杆承受雪载能力的对比分析 ,得出以下结论 :对给定矢跨比的双圆弧拱顶 ,在相同的雪荷载作用下 ,曲率半径对拱杆承载能力有较大的影响
短句来源
     Through the contrastive analysis of the arch carrying snow loading capacity under the different radius of curvature,some conclusions are summed up:radius of curvature has much influence upon the carrying capacity for the ratio of high-span to double vault under the same snow loading.
     通过对不同曲率半径下拱杆承受雪载能力的对比分析,得出以下结论:对给定矢跨比的双圆弧拱顶,在相同的雪荷载作用下,曲率半径对拱杆承载能力有较大的影响。
短句来源
     The type W666 of metal arch corrugated roof was taken as study object in this paper. The geometrical non-linear finite element analysis of 30 m span under the effect of wind load and snow load were studied under the different ration of high-span and the condition of immobility supporting stands.
     以W666型拱型波纹屋盖为研究对象,对30m跨波纹拱在不同矢跨比,支座边界为固支的条件下进行风荷载、雪荷载作用几何非线性有限元分析。
短句来源
  height to span
     2、 Calculated eighty four K8 and eighty four K6 pattern single-layer reticulated domes respectively ,analyzed the dynamic characteristics in terms of span and height to span、 load、 the condition of the support and so on, and draws the first frequency practicality designing chart.
     2、分别对168例K8和K6型单层球面网壳结构进行了计算,分析了跨度和矢跨比、屋面荷载、支承条件等因素对单层球面网壳结构自振特性的影响,并绘出了基频实用设计图表。
短句来源
     Based on nonlinear finite element theory of beam-column element,the geometrically-nonlinear static stability analysis program was made in which the iteration method of modified Newton-Raphson method with Arc-length method is used. With this program the stability of single layer reticulated shell with four types of height to span ratio is compared with partial double layer reticulated shell.
     根据梁 -柱单元非线性有限元理论 ,采用弧长法与修正Newton -Raphson法相结合的迭代法 ,编制了网壳结构几何非线性分析程序 ,对不同矢跨比下单层网壳和局部双层网壳的静力稳定性能进行分析比较。
短句来源
     Stability Behavior of Single-Layer Spherical Reticulated Shells with Different Ratio of Height to Span
     不同矢跨比单层球面网壳的稳定性态
短句来源
     By means of sub-space interation method, the preceding twenty frequencies of six reticulated shell systems are calaulated when the ratio of height to span is 0. 1、 0. 2、0. 3 respectively, and based on the principle of equivalent physics condition, equivalent membrane stiffness and equivalent inflexion stiffness of six reticulated shell systems under the first fluctuating mode are calaulated.
     用于空间迭代法求解六种常用单层球面网壳在矢跨比为0.1、0.2、0.3时的前20阶频率。 并根据物理条件等效原则计算各网壳在第一振型下的等效薄膜刚度和等效弯曲刚度。
     The linear and nonlinear stability behavior of six kinds of widely used single layer spherical reticulated shells are analyzed in the paper. Through the analytical results,the relationship between the stability behavior and the different ratios of height to span are conducted. The numerical results are valuable to engineering designs.
     本文深入分析了工程中常用的六种单层球面网壳的稳定性态,对不同形式单层网壳在不同矢跨比和荷载形式的条件下进行了线性稳定及几何非线性稳定分析,说明单层球面网壳失稳的类型与矢跨比的关系,为工程应用提供有价值的数据资料。
短句来源
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      rise-span
    The critical loads of the structure at different rise-span ratios are also discussed in this paper.
          
    It was shown that the effect of the tensional cable is more evident at small rise-span ratio.
          
    In the numerical study, where hundreds of cases were analyzed, the parameters considered included rise-span ratio, length-span ratio, surface load and member section size.
          
      high-span
    The antecedent priming effect in the high-span participants indicates that in both children and adults, dislocated arguments access their antecedents at gap positions.
          
    The low-span chat style was characterized by a greater number of words per utterance on average than was exhibited by high-span students.
          


    By the method of matrix structural analysis, a comprehensive study on the structure behavior of spandrel braced arch flume is presented in this paper. The study involves the selection of rational type of structure and shape of arch, the use of optimun rise-span ratio, the determination of panel length and dimension of spandrel braced arch, the consideration of effect of temperature change and the influnce of abutment displacement and wind load, etc. The results obtained were verified by model test and may be...

    By the method of matrix structural analysis, a comprehensive study on the structure behavior of spandrel braced arch flume is presented in this paper. The study involves the selection of rational type of structure and shape of arch, the use of optimun rise-span ratio, the determination of panel length and dimension of spandrel braced arch, the consideration of effect of temperature change and the influnce of abutment displacement and wind load, etc. The results obtained were verified by model test and may be useful for the design of spandrel braced arch flume.

    本文利用结构矩阵分析法,对桁架拱渡槽的结构特性进行了全面的理论分析.包括选择合理结构型式和拱曲线型式、采用最优矢跨比、确定节间距、拟定杆件基本尺寸以及考虑温度变化、支座位移和风荷载的影响等.该项成果进行了结构模型试验验证,可用于桁架拱渡槽设计.

    Lhis paper proposes a optimum arch axis structure of large span ribbed arch and its approximate. Furthermore, the optimization section which will greatly reduce influence of axial force is given. And advisable heightspan ratio of an arch by minimum volume is suggested.

    本文闸明肋拱结构优化的研究成果,提出了大跨度肋拱的优化拱轴及其逼近方程,进而,给出了最大限度减小弹性压缩影响的优化截面形式及以最小体积为优化目标的合理矢跨比.它对大跨度渡槽、桥梁的任意静荷载下的合理肋拱结构设计,提供了新的途径.

    This paper found out a discriminant of arch thrust due to elastic arch short-ening,and compared it with conventional calculation formula,Furthermore,it is confirmed that the elastic shortening effect can be neglected when the aich span and rise-span ratio are within certain limits.

    《桥规》对跨径为30米以下的桥,按失跨比1/3、 1/4和1/5分别作出的可不计弹性压缩影响的规定,过于粗略,是值得商榷的。本文通过无铰拱桥推力计算公式的导演和变换,得出了在弹性压缩时,推力计算的影响分额判别式,并与长期以来一直沿用的施-扎氏活载推力公式作了比较,进而对可不计弹性压缩影响的无铰拱桥的跨度和矢跨比的范围提出了新的限界。

     
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