• On this model basis the first step method is used for optimization of the arch axis coefficient of the arch bridge.

    模型基础上,使用方法对拱桥系数进行优化

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  • According to measuring the coordinates of each span of long span double arched bridge, the arch axis for every span is determined.

    通过测量坐标来确定双曲拱桥孔的拱轴线

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  • West to east in accordance with building layout in order to worship hall, bunker building, the arch axis, with rooms on both sides of the North and the South.

    建筑布局西向东礼拜大殿牌坊轴线南北两侧配有厢房。

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  • In connection with its self properties, we make an inquiry into the major parameters, such as ratio of height and span, equation of arch axis, geometry size of section and so on.

    针对该桥自身特点,对肋矢轴线方程截面几何尺寸主要技术参数探讨

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  • To resolve the problem of the point and direction of the fixation of Axis lateral arch screw, using navigator finds the safe trajectory.

    针对椎侧方椎螺钉固定时确定和进针方向困难问题通过导航仪寻找安全钉道。

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  • Result the parameters of posterior arch, lateral mass, vertebral artery groove, axis length of screw pass via posterior arch and lateral mass, projection and direction of screw were measured.

    结果测量出椎后动脉、后弓侧块螺钉通道轴线长度,及后弓进钉点进钉方向等参数

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  • The axis of thin shell arch is selected coincidence with the pressure line, the stress inside the arch is controled by pressure stress.

    选择轴线压力线相吻合,拱内应力主要应力控制。

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  • Calculation of the arch-axis coefficient is important in arch bridge design.

    计算系数拱桥设计重要组成部分。

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  • Objective to develop an improved adjustable bilateral aiming device to substitute the old single-side one to guide lateral arch screw insertion of axis.

    目的针对单侧可调式枢椎椎螺钉定位的不足,研制改进一种可调式侧方弓定位器。

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  • Objective to develop an improved adjustable bilateral aiming device to substitute the old single-side one to guide lateral arch screw insertion of axis.

    目的针对单侧可调式枢椎椎螺钉定位的不足,研制改进一种可调式侧方弓定位器。

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